From 91a3a82e90bac29b5216d7db7088503194adb001 Mon Sep 17 00:00:00 2001
From: Shawn Liu <shawn.liu@3ds.com>
Date: Sun, 29 Oct 2017 23:15:04 -0400
Subject: [PATCH] Added and Updated sw examples
---
files.html | 28 +-
modules/connect/svg/SWExtractFaces | 167 ++++++++++++
modules/connect/svg/SWPCB | 188 +++++++++++++
modules/connect/svg/SWSelectFace | 179 +++++++++++++
modules/convert/svg/array | 5 +-
modules/index.html | 11 +-
.../machines/Roland/laser cutter/Epilog | 246 ++++++++++++++++++
programs/index.html | 5 +-
programs/machines/Epilog/cut sw | 1 +
programs/machines/Roland/mill/SRM-20/PCB sw | 1 +
.../machines/Roland/vinyl cutter/GX-24/cut sw | 1 +
programs/machines/ShopBot/mill 2D sw | 1 +
programs/machines/ShopBot/mill 2D ws | 1 -
13 files changed, 819 insertions(+), 15 deletions(-)
create mode 100644 modules/connect/svg/SWExtractFaces
create mode 100644 modules/connect/svg/SWPCB
create mode 100644 modules/connect/svg/SWSelectFace
create mode 100644 modules/toolpath/machines/Roland/laser cutter/Epilog
create mode 100644 programs/machines/Epilog/cut sw
create mode 100644 programs/machines/Roland/mill/SRM-20/PCB sw
create mode 100644 programs/machines/Roland/vinyl cutter/GX-24/cut sw
create mode 100644 programs/machines/ShopBot/mill 2D sw
delete mode 100644 programs/machines/ShopBot/mill 2D ws
diff --git a/files.html b/files.html
index 61a4d51..b94654d 100644
--- a/files.html
+++ b/files.html
@@ -10,7 +10,6 @@
</script>
<i> .git</i><br>
<a href='./.gitignore'>.gitignore</a><br>
- <a href='./README.md'>README.md</a><br>
<a href='./files.html'>files.html</a><br>
<a href='./index.html'>index.html</a><br>
<i> js</i><br>
@@ -33,6 +32,11 @@
<a href='./modules/character/in%20out'>in out</a><br>
<a href='./modules/character/parse'>parse</a><br>
<a href='./modules/character/variable'>variable</a><br>
+<i> connect</i><br>
+<i> svg</i><br>
+ <a href='./modules/connect/svg/SWExtractFaces'>SWExtractFaces</a><br>
+ <a href='./modules/connect/svg/SWPCB'>SWPCB</a><br>
+ <a href='./modules/connect/svg/SWSelectFace'>SWSelectFace</a><br>
<i> control</i><br>
<a href='./modules/control/slider'>slider</a><br>
<i> convert</i><br>
@@ -104,15 +108,17 @@
<a href='./modules/toolpath/formats/dxf'>dxf</a><br>
<a href='./modules/toolpath/formats/g-code'>g-code</a><br>
<i> machines</i><br>
+<i> laser cutter</i><br>
+ <a href='./modules/toolpath/machines/laser%20cutter/Epilog'>Epilog</a><br>
<i> Roland</i><br>
+<i> laser cutter</i><br>
+ <a href='./modules/toolpath/machines/Roland/laser%20cutter/Epilog'>Epilog</a><br>
<i> milling</i><br>
<a href='./modules/toolpath/machines/Roland/milling/MDX-20'>MDX-20</a><br>
<a href='./modules/toolpath/machines/Roland/milling/SRM-20'>SRM-20</a><br>
<i> vinyl cutter</i><br>
<a href='./modules/toolpath/machines/Roland/vinyl%20cutter/GX-24'>GX-24</a><br>
<a href='./modules/toolpath/machines/ShopBot'>ShopBot</a><br>
-<i> laser cutter</i><br>
- <a href='./modules/toolpath/machines/laser%20cutter/Epilog'>Epilog</a><br>
<a href='./modules/toolpath/view'>view</a><br>
<i> ui</i><br>
<a href='./modules/ui/button'>button</a><br>
@@ -128,6 +134,7 @@
<i> Epilog</i><br>
<a href='./programs/machines/Epilog/cut%20png'>cut png</a><br>
<a href='./programs/machines/Epilog/cut%20svg'>cut svg</a><br>
+ <a href='./programs/machines/Epilog/cut%20sw'>cut sw</a><br>
<i> G-code</i><br>
<a href='./programs/machines/G-code/mill%202D%20png'>mill 2D png</a><br>
<i> Roland</i><br>
@@ -136,14 +143,16 @@
<a href='./programs/machines/Roland/mill/MDX-20/PCB'>PCB</a><br>
<i> SRM-20</i><br>
<a href='./programs/machines/Roland/mill/SRM-20/PCB'>PCB</a><br>
+ <a href='./programs/machines/Roland/mill/SRM-20/PCB%20sw'>PCB sw</a><br>
<i> vinyl cutter</i><br>
<i> GX-24</i><br>
<a href='./programs/machines/Roland/vinyl%20cutter/GX-24/cut%20png'>cut png</a><br>
<a href='./programs/machines/Roland/vinyl%20cutter/GX-24/cut%20svg'>cut svg</a><br>
+ <a href='./programs/machines/Roland/vinyl%20cutter/GX-24/cut%20sw'>cut sw</a><br>
<i> ShopBot</i><br>
<a href='./programs/machines/ShopBot/mill%202D%20png'>mill 2D png</a><br>
<a href='./programs/machines/ShopBot/mill%202D%20svg'>mill 2D svg</a><br>
- <a href='./programs/machines/ShopBot/mill%202D%20ws'>mill 2D ws</a><br>
+ <a href='./programs/machines/ShopBot/mill%202D%20sw'>mill 2D sw</a><br>
<i> math</i><br>
<a href='./programs/math/benchmark'>benchmark</a><br>
<a href='./programs/math/expressions'>expressions</a><br>
@@ -156,23 +165,23 @@
<a href='./programs/processes/mill/raster/2D'>2D</a><br>
<i> variable</i><br>
<a href='./programs/variable/text%20variables'>text variables</a><br>
+ <a href='./README.md'>README.md</a><br>
<i> scripts</i><br>
<a href='./scripts/start%20mods%20server'>start mods server</a><br>
<a href='./scripts/stop%20mods%20server'>stop mods server</a><br>
<i> test</i><br>
+ <a href='./test/alien.png'>alien.png</a><br>
<a href='./test/ATP.8E5.board.png'>ATP.8E5.board.png</a><br>
<a href='./test/ATP.8E5.traces.png'>ATP.8E5.traces.png</a><br>
+ <a href='./test/cert.pem'>cert.pem</a><br>
<a href='./test/David.png'>David.png</a><br>
<a href='./test/David.small.png'>David.small.png</a><br>
- <a href='./test/ML.jpg'>ML.jpg</a><br>
- <a href='./test/ML.png'>ML.png</a><br>
- <a href='./test/Suzanne.stl'>Suzanne.stl</a><br>
- <a href='./test/alien.png'>alien.png</a><br>
- <a href='./test/cert.pem'>cert.pem</a><br>
<a href='./test/gradients.svg'>gradients.svg</a><br>
<a href='./test/hsv.png'>hsv.png</a><br>
<a href='./test/key.pem'>key.pem</a><br>
<a href='./test/lines.png'>lines.png</a><br>
+ <a href='./test/ML.jpg'>ML.jpg</a><br>
+ <a href='./test/ML.png'>ML.png</a><br>
<a href='./test/rhino.black.png'>rhino.black.png</a><br>
<a href='./test/rhino.black.svg'>rhino.black.svg</a><br>
<a href='./test/rhino.png'>rhino.png</a><br>
@@ -187,6 +196,7 @@
<a href='./test/shapes.svg'>shapes.svg</a><br>
<a href='./test/sunset.jpg'>sunset.jpg</a><br>
<a href='./test/sunset.png'>sunset.png</a><br>
+ <a href='./test/Suzanne.stl'>Suzanne.stl</a><br>
<a href='./test/tall.png'>tall.png</a><br>
<a href='./test/test.png'>test.png</a><br>
<a href='./test/transparent.png'>transparent.png</a><br>
diff --git a/modules/connect/svg/SWExtractFaces b/modules/connect/svg/SWExtractFaces
new file mode 100644
index 0000000..4b15a1e
--- /dev/null
+++ b/modules/connect/svg/SWExtractFaces
@@ -0,0 +1,167 @@
+//
+// SWExtractFaces module extracts top faces of the same thickness from Tools/FabLab Connect command of SolidWorks products
+//
+// Shawn Liu @ Dassault Systemes SolidWorks Corporation
+// (c) Massachusetts Institute of Technology 2016
+//
+// This work may be reproduced, modified, distributed, performed, and
+// displayed for any purpose, but must acknowledge the mods
+// project. Copyright is retained and must be preserved. The work is
+// provided as is; no warranty is provided, and users accept all
+// liability.
+//
+// closure
+//
+(function(){
+//
+// module globals
+//
+var mod = {}
+//
+// name
+//
+var name = 'SWExtractFaces'
+//
+// initialization
+//
+var init = function() {
+ mod.address = getParameterByName('swIP') || '127.0.0.1'
+ mod.port = getParameterByName('swPort') || '80'
+ mod.socket = 0
+ mod.thickness.value = 0.75
+ socket_open()
+ }
+//
+// inputs
+//
+var inputs = {}
+//
+// outputs
+//
+var outputs = {
+ SVGArray:{type:'object',
+ event:function(data){
+ mods.output(mod, 'SVGArray', JSON.parse(data))
+ }
+ }
+}
+//
+// interface
+//
+var interface = function(div){
+ mod.div = div
+ div.appendChild(document.createTextNode('server:'))
+ div.appendChild(document.createElement('br'))
+ div.appendChild(document.createTextNode('address: ' + getParameterByName('swIP')))
+ div.appendChild(document.createElement('br'))
+ div.appendChild(document.createTextNode('\u00a0\u00a0\u00a0\u00a0\u00a0port: ' + getParameterByName('swPort')))
+ div.appendChild(document.createElement('br'))
+ div.appendChild(document.createTextNode('\u00a0\u00a0status: '))
+ input = document.createElement('input')
+ input.type = 'text'
+ input.size = 12
+ div.appendChild(input)
+ mod.status = input
+ div.appendChild(document.createElement('br'))
+ var btn = document.createElement('button')
+ btn.style.margin = 1
+ btn.appendChild(document.createTextNode('open'))
+ btn.addEventListener('click', function () {
+ socket_open()
+ })
+ div.appendChild(btn)
+ var btn = document.createElement('button')
+ btn.style.margin = 1
+ btn.appendChild(document.createTextNode('close'))
+ btn.addEventListener('click', function () {
+ socket_close()
+ })
+ div.appendChild(btn)
+ div.appendChild(document.createElement('br'))
+ div.appendChild(document.createTextNode('thickness: '))
+ input = document.createElement('input')
+ input.type = 'text'
+ input.size = 10
+ div.appendChild(input)
+ mod.thickness = input
+ div.appendChild(document.createTextNode('(inch)'))
+ div.appendChild(document.createElement('br'))
+ var btn = document.createElement('button')
+ btn.style.margin = 1
+ btn.appendChild(document.createTextNode('Extract SVGs'))
+ btn.addEventListener('click',function() {
+ extract_SVGs()
+ })
+ div.appendChild(btn)
+ }
+//
+// local functions
+//
+
+function getParameterByName(name, url) {
+ if (!url) url = window.location.href;
+ name = name.replace(/[\[\]]/g, "\\$&");
+ var regex = new RegExp("[?&]" + name + "(=([^&#]*)|&|#|$)"),
+ results = regex.exec(url);
+ if (!results) return null;
+ if (!results[2]) return '';
+ return decodeURIComponent(results[2].replace(/\+/g, " "));
+}
+
+function socket_open() {
+ var url = "ws://"+mod.address+':'+mod.port
+ mod.socket = new WebSocket(url)
+ mod.socket.onopen = function(event) {
+ mod.status.value = "opened"
+ var connect = {}
+ connect.modCmd = 'connect'
+ connect.owner = getParameterByName('swOwner')
+ connect.id = getParameterByName('swID')
+ socket_send(JSON.stringify(connect))
+ }
+ mod.socket.onerror = function(event) {
+ mod.status.value = "can not open"
+ }
+ mod.socket.onmessage = function(event) {
+ mod.status.value = "receive"
+ var swData = JSON.parse(event.data);
+ if (swData.swType === "FaceSVGArray") {
+ outputs.SVGArray.event(JSON.stringify(swData.data))
+ }
+ }
+ mod.socket.onclose = function (event) {
+ mod.status.value = "connection closed"
+ }
+ }
+function socket_close() {
+ mod.socket.close()
+ mod.status.value = "closed"
+ mod.socket = 0
+ }
+function socket_send(msg) {
+ if (mod.socket != 0) {
+ mod.status.value = "send"
+ mod.socket.send(msg)
+ }
+ else {
+ mod.status.value = "can't send, not open"
+ }
+ }
+function extract_SVGs() {
+ var modcmd = new Object;
+ modcmd.modCmd = "AutoExtractFaces";
+ modcmd.thickness = Number(mod.thickness.value * 25.4); // inch to mm
+ socket_send(JSON.stringify(modcmd))
+ }
+
+//
+// return values
+//
+return ({
+ name:name,
+ init:init,
+ inputs:inputs,
+ outputs:outputs,
+ interface:interface
+ })
+}())
diff --git a/modules/connect/svg/SWPCB b/modules/connect/svg/SWPCB
new file mode 100644
index 0000000..b4aab16
--- /dev/null
+++ b/modules/connect/svg/SWPCB
@@ -0,0 +1,188 @@
+//
+// SWPCB module extracts PCB profiles from Tools/FabLab Connect command of SolidWorks products
+//
+// Shawn Liu @ Dassault Systemes SolidWorks Corporation
+// (c) Massachusetts Institute of Technology 2017
+//
+// This work may be reproduced, modified, distributed, performed, and
+// displayed for any purpose, but must acknowledge the mods
+// project. Copyright is retained and must be preserved. The work is
+// provided as is; no warranty is provided, and users accept all
+// liability.
+//
+// closure
+//
+(function(){
+//
+// module globals
+//
+var mod = {}
+//
+// name
+//
+var name = 'SWPCB'
+//
+// initialization
+//
+var init = function() {
+ mod.address = getParameterByName('swIP') || '127.0.0.1'
+ mod.port = getParameterByName('swPort') || '80'
+ mod.socket = 0
+ socket_open()
+ }
+//
+// inputs
+//
+var inputs = {}
+//
+// outputs
+//
+var outputs = {
+ SVG:{type:'string',
+ event:function(data){
+ mods.output(mod,'SVG',data)}}}
+//
+// interface
+//
+var interface = function(div){
+ mod.div = div
+ div.appendChild(document.createTextNode('server:'))
+ div.appendChild(document.createElement('br'))
+ div.appendChild(document.createTextNode('address: ' + getParameterByName('swIP')))
+ div.appendChild(document.createElement('br'))
+ div.appendChild(document.createTextNode('\u00a0\u00a0\u00a0\u00a0\u00a0port: ' + getParameterByName('swPort')))
+ div.appendChild(document.createElement('br'))
+ div.appendChild(document.createTextNode('\u00a0\u00a0status: '))
+ input = document.createElement('input')
+ input.type = 'text'
+ input.size = 12
+ div.appendChild(input)
+ mod.status = input
+ div.appendChild(document.createElement('br'))
+ var btn = document.createElement('button')
+ btn.style.margin = 1
+ btn.appendChild(document.createTextNode('open'))
+ btn.addEventListener('click',function() {
+ socket_open()
+ })
+ div.appendChild(btn)
+ var btn = document.createElement('button')
+ btn.style.margin = 1
+ btn.appendChild(document.createTextNode('close'))
+ btn.addEventListener('click',function() {
+ socket_close()
+ })
+ div.appendChild(btn)
+ div.appendChild(document.createElement('br'))
+ div.appendChild(document.createTextNode('traces and outline: '))
+
+ div.appendChild(document.createElement('br'))
+ var btn = document.createElement('button')
+ btn.style.margin = 1
+ btn.appendChild(document.createTextNode('Get Top Traces'))
+ btn.addEventListener('click', function () {
+ extract_top_SVGs()
+ })
+ div.appendChild(btn)
+
+ div.appendChild(document.createElement('br'))
+ var btn = document.createElement('button')
+ btn.style.margin = 1
+ btn.appendChild(document.createTextNode('Get Bottom Traces'))
+ btn.addEventListener('click', function () {
+ extract_bottom_SVGs()
+ })
+ div.appendChild(btn)
+ div.appendChild(document.createElement('br'))
+
+ var btn = document.createElement('button')
+ btn.style.margin = 1
+ btn.appendChild(document.createTextNode('Get Outline'))
+ btn.addEventListener('click', function () {
+ extract_outline_SVGs()
+ })
+ div.appendChild(btn)
+
+ }
+//
+// local functions
+//
+
+function getParameterByName(name, url) {
+ if (!url) url = window.location.href
+ name = name.replace(/[\[\]]/g, "\\$&")
+ var regex = new RegExp("[?&]" + name + "(=([^&#]*)|&|#|$)"),
+ results = regex.exec(url)
+ if (!results) return null
+ if (!results[2]) return ''
+ return decodeURIComponent(results[2].replace(/\+/g, " "))
+}
+
+
+function socket_open() {
+ var url = "ws://"+mod.address+':'+mod.port
+ mod.socket = new WebSocket(url)
+ mod.socket.onopen = function (event) {
+ mod.status.value = "opened"
+ var connect = {}
+ connect.modCmd = 'connect'
+ connect.owner = getParameterByName('swOwner')
+ connect.id = getParameterByName('swID')
+ socket_send(JSON.stringify(connect))
+ }
+ mod.socket.onerror = function(event) {
+ mod.status.value = "can not open"
+ }
+ mod.socket.onmessage = function(event) {
+ mod.status.value = "receive"
+ var swData = JSON.parse(event.data)
+ if (swData.swType === "FaceSVG" || swData.swType === "PCBTraceSVG") {
+ outputs.SVG.event(swData.data)
+ }
+ }
+ mod.socket.onclose = function (event) {
+ mod.status.value = "connection closed"
+ }
+ }
+function socket_close() {
+ mod.socket.close()
+ mod.status.value = "closed"
+ mod.socket = 0
+ }
+function socket_send(msg) {
+ if (mod.socket != 0) {
+ mod.status.value = "send"
+ mod.socket.send(msg)
+ }
+ else {
+ mod.status.value = "can't send, not open"
+ }
+ }
+function extract_top_SVGs() {
+ var modcmd = new Object
+ modcmd.modCmd = "ExtractTopPCB"
+ socket_send(JSON.stringify(modcmd))
+ }
+function extract_bottom_SVGs() {
+ var modcmd = new Object
+ modcmd.modCmd = "ExtractBottomPCB"
+ socket_send(JSON.stringify(modcmd))
+ }
+function extract_outline_SVGs() {
+ var modcmd = new Object
+ modcmd.modCmd = "AutoExtractPCB"
+ socket_send(JSON.stringify(modcmd))
+ }
+
+
+//
+// return values
+//
+return ({
+ name:name,
+ init:init,
+ inputs:inputs,
+ outputs:outputs,
+ interface:interface
+ })
+}())
diff --git a/modules/connect/svg/SWSelectFace b/modules/connect/svg/SWSelectFace
new file mode 100644
index 0000000..663f5e1
--- /dev/null
+++ b/modules/connect/svg/SWSelectFace
@@ -0,0 +1,179 @@
+//
+// SWSelectFace module receives a selected face from Tools/FabLab Connect command of SolidWorks products
+//
+// Shawn Liu @ Dassault Systemes SolidWorks Corporation
+// (c) Massachusetts Institute of Technology 2017
+//
+// This work may be reproduced, modified, distributed, performed, and
+// displayed for any purpose, but must acknowledge the mods
+// provided as is; no warranty is provided, and users accept all
+// liability.
+//
+// closure
+//
+(function(){
+//
+// module globals
+//
+var mod = {}
+//
+// name
+//
+var name = 'SWSelectFace'
+//
+// initialization
+//
+var init = function() {
+ mod.address = getParameterByName('swIP') || '127.0.0.1'
+ mod.port = getParameterByName('swPort') || '8787'
+ mod.socket = 0
+ mod.margin.value = 10 //10mm
+ mod.includeInner.checked = true;
+ socket_open()
+ }
+//
+// inputs
+//
+var inputs = {}
+//
+// outputs
+//
+var outputs = {
+ SVG:{type:'string',
+ event:function(data){
+ mods.output(mod,'SVG',data)}}}
+//
+// interface
+//
+var interface = function(div){
+ mod.div = div
+ div.appendChild(document.createTextNode('server:'))
+ div.appendChild(document.createElement('br'))
+ div.appendChild(document.createTextNode('address: ' + getParameterByName('swIP')))
+ div.appendChild(document.createElement('br'))
+ div.appendChild(document.createTextNode('\u00a0\u00a0\u00a0\u00a0\u00a0port: ' + getParameterByName('swPort')))
+ div.appendChild(document.createElement('br'))
+ div.appendChild(document.createTextNode('\u00a0\u00a0status: '))
+ input = document.createElement('input')
+ input.type = 'text'
+ input.size = 12
+ div.appendChild(input)
+ mod.status = input
+ div.appendChild(document.createElement('br'))
+ var btn = document.createElement('button')
+ btn.style.margin = 1
+ btn.appendChild(document.createTextNode('open'))
+ btn.addEventListener('click',function() {
+ socket_open()
+ })
+ div.appendChild(btn)
+ var btn = document.createElement('button')
+ btn.style.margin = 1
+ btn.appendChild(document.createTextNode('close'))
+ btn.addEventListener('click',function() {
+ socket_close()
+ })
+ div.appendChild(btn)
+ div.appendChild(document.createElement('br'))
+ div.appendChild(document.createTextNode('settings:'))
+ div.appendChild(document.createElement('br'))
+ div.appendChild(document.createTextNode('margin (mm): '))
+ input = document.createElement('input')
+ input.type = 'text'
+ input.size = 6
+ div.appendChild(input)
+ mod.margin = input
+ div.appendChild(document.createElement('br'))
+ input = document.createElement('input')
+ input.type = 'checkbox'
+ input.size = 10
+ div.appendChild(input)
+ div.appendChild(document.createTextNode('include inner faces'))
+ mod.includeInner = input
+ div.appendChild(document.createElement('br'))
+ var btn = document.createElement('button')
+ btn.style.margin = 1
+ btn.appendChild(document.createTextNode('Update'))
+ btn.addEventListener('click', function () {
+ update_settings()
+ })
+ div.appendChild(btn)
+ }
+//
+// local functions
+//
+
+function getParameterByName(name, url) {
+ if (!url) url = window.location.href
+ name = name.replace(/[\[\]]/g, "\\$&")
+ var regex = new RegExp("[?&]" + name + "(=([^&#]*)|&|#|$)"),
+ results = regex.exec(url)
+ if (!results) return null
+ if (!results[2]) return ''
+ return decodeURIComponent(results[2].replace(/\+/g, " "))
+}
+
+function update_settings() {
+ var modcmd = new Object
+ modcmd.modCmd = "SetMargin"
+ modcmd.margin = Number(mod.margin.value) // mm
+ socket_send(JSON.stringify(modcmd))
+ var innerCmd = new Object
+ innerCmd.modCmd = "SetIncludeInner"
+ innerCmd.includeInner = mod.includeInner.checked
+ socket_send(JSON.stringify(innerCmd))
+ socket_send('{"modCmd":"EnableSelectFaceNotify","selectFaceNotify":true}')
+}
+
+function socket_open() {
+ var url = "ws://"+mod.address+':'+mod.port
+ mod.socket = new WebSocket(url)
+ mod.socket.onopen = function(event) {
+ mod.status.value = "opened"
+ var connect= {}
+ connect.modCmd = 'connect'
+ connect.owner = getParameterByName('swOwner')
+ connect.id = getParameterByName('swID')
+ socket_send(JSON.stringify(connect))
+ update_settings()
+ }
+ mod.socket.onerror = function(event) {
+ mod.status.value = "can not open"
+ }
+ mod.socket.onmessage = function(event) {
+ mod.status.value = "receive"
+ console.log('receive :' + event.data)
+ var swData = JSON.parse(event.data)
+ if (swData.swType === "FaceSVG") {
+ outputs.SVG.event(swData.data)
+ }
+ }
+ mod.socket.onclose = function (event) {
+ mod.status.value = "connection closed"
+ }
+ }
+function socket_close() {
+ mod.socket.close()
+ mod.status.value = "closed"
+ mod.socket = 0
+ }
+function socket_send(msg) {
+ if (mod.socket != 0) {
+ mod.status.value = "send"
+ mod.socket.send(msg)
+ }
+ else {
+ mod.status.value = "can't send, not open"
+ }
+ }
+//
+// return values
+//
+return ({
+ name:name,
+ init:init,
+ inputs:inputs,
+ outputs:outputs,
+ interface:interface
+ })
+}())
diff --git a/modules/convert/svg/array b/modules/convert/svg/array
index 586bb41..849bdf2 100644
--- a/modules/convert/svg/array
+++ b/modules/convert/svg/array
@@ -160,9 +160,10 @@ function nest(sw_json){
//stocksize is an array [width,height] of stock dimensions
//we scale so the stock size takes up the %75 of screen
//padding is an amount to leave between each piece
- var stocksize = [mod.stock_width.value/39.3, mod.stock_height.value/39.3]; //convert to meters
+ var unitScale = sw_json[0].unit === "mm"?1000:1;
+ var stocksize = [mod.stock_width.value/39.3*unitScale, mod.stock_height.value/39.3*unitScale]; //convert to meters
//TODO: handle units more gracefully!
- var padding = mod.padding.value/39.3;
+ var padding = mod.padding.value/39.3*unitScale;
var draw_grid = false;
//make sure first dimension is longer
diff --git a/modules/index.html b/modules/index.html
index b31f0ff..92119fa 100644
--- a/modules/index.html
+++ b/modules/index.html
@@ -16,6 +16,11 @@
<a href="javascript:handler('modules/character/in%20out')">in out</a><br>
<a href="javascript:handler('modules/character/parse')">parse</a><br>
<a href="javascript:handler('modules/character/variable')">variable</a><br>
+<i>connect</i><br>
+<i> svg</i><br>
+ <a href="javascript:handler('modules/connect/svg/SWExtractFaces')">SWExtractFaces</a><br>
+ <a href="javascript:handler('modules/connect/svg/SWPCB')">SWPCB</a><br>
+ <a href="javascript:handler('modules/connect/svg/SWSelectFace')">SWSelectFace</a><br>
<i>control</i><br>
<a href="javascript:handler('modules/control/slider')">slider</a><br>
<i>convert</i><br>
@@ -86,15 +91,17 @@
<a href="javascript:handler('modules/toolpath/formats/dxf')">dxf</a><br>
<a href="javascript:handler('modules/toolpath/formats/g-code')">g-code</a><br>
<i> machines</i><br>
+<i> laser cutter</i><br>
+ <a href="javascript:handler('modules/toolpath/machines/laser%20cutter/Epilog')">Epilog</a><br>
<i> Roland</i><br>
+<i> laser cutter</i><br>
+ <a href="javascript:handler('modules/toolpath/machines/Roland/laser%20cutter/Epilog')">Epilog</a><br>
<i> milling</i><br>
<a href="javascript:handler('modules/toolpath/machines/Roland/milling/MDX-20')">MDX-20</a><br>
<a href="javascript:handler('modules/toolpath/machines/Roland/milling/SRM-20')">SRM-20</a><br>
<i> vinyl cutter</i><br>
<a href="javascript:handler('modules/toolpath/machines/Roland/vinyl%20cutter/GX-24')">GX-24</a><br>
<a href="javascript:handler('modules/toolpath/machines/ShopBot')">ShopBot</a><br>
-<i> laser cutter</i><br>
- <a href="javascript:handler('modules/toolpath/machines/laser%20cutter/Epilog')">Epilog</a><br>
<a href="javascript:handler('modules/toolpath/view')">view</a><br>
<i>ui</i><br>
<a href="javascript:handler('modules/ui/button')">button</a><br>
diff --git a/modules/toolpath/machines/Roland/laser cutter/Epilog b/modules/toolpath/machines/Roland/laser cutter/Epilog
new file mode 100644
index 0000000..2b53c51
--- /dev/null
+++ b/modules/toolpath/machines/Roland/laser cutter/Epilog
@@ -0,0 +1,246 @@
+//
+// Epilog laser cutter
+//
+// Neil Gershenfeld
+// (c) Massachusetts Institute of Technology 2017
+//
+// This work may be reproduced, modified, distributed, performed, and
+// displayed for any purpose, but must acknowledge the mods
+// project. Copyright is retained and must be preserved. The work is
+// provided as is; no warranty is provided, and users accept all
+// liability.
+//
+// closure
+//
+(function(){
+//
+// module globals
+//
+var mod = {}
+//
+// name
+//
+var name = 'Epilog laser cutter'
+//
+// initialization
+//
+var init = function() {
+ mod.power.value = 25
+ mod.speed.value = 75
+ mod.rate.value = 100
+ mod.xpos.value = 10
+ mod.ypos.value = 10
+ mod.topleft.checked = true
+ }
+//
+// inputs
+//
+var inputs = {
+ toolpath:{type:'',
+ event:function(evt){
+ mod.name = evt.detail.name
+ mod.path = evt.detail.path
+ mod.dpi = evt.detail.dpi
+ mod.width = evt.detail.width
+ mod.height = evt.detail.height
+ make_path()
+ }},
+ settings:{type:'',
+ event:function(evt){
+ set_values(evt.detail)
+ }}}
+//
+// outputs
+//
+var outputs = {
+ file:{type:'',
+ event:function(str){
+ obj = {}
+ obj.type = 'file'
+ obj.name = mod.name+'.epi'
+ obj.contents = str
+ mods.output(mod,'file',obj)
+ }}}
+//
+// interface
+//
+var interface = function(div){
+ mod.div = div
+ div.appendChild(document.createTextNode('auto focus: '))
+ var input = document.createElement('input')
+ input.type = 'checkbox'
+ input.id = mod.div.id+'sort'
+ div.appendChild(input)
+ mod.focus = input
+ div.appendChild(document.createElement('br'))
+ div.appendChild(document.createTextNode('power (%): '))
+ var input = document.createElement('input')
+ input.type = 'text'
+ input.size = 6
+ div.appendChild(input)
+ mod.power = input
+ div.appendChild(document.createElement('br'))
+ div.appendChild(document.createTextNode('speed (%): '))
+ var input = document.createElement('input')
+ input.type = 'text'
+ input.size = 6
+ div.appendChild(input)
+ mod.speed = input
+ div.appendChild(document.createElement('br'))
+ div.appendChild(document.createTextNode('rate (pps): '))
+ var input = document.createElement('input')
+ input.type = 'text'
+ input.size = 6
+ div.appendChild(input)
+ mod.rate = input
+ div.appendChild(document.createElement('br'))
+ div.appendChild(document.createTextNode('position (mm):'))
+ div.appendChild(document.createElement('br'))
+ div.appendChild(document.createTextNode('x: '))
+ var input = document.createElement('input')
+ input.type = 'text'
+ input.size = 6
+ div.appendChild(input)
+ mod.xpos = input
+ div.appendChild(document.createElement('br'))
+ div.appendChild(document.createTextNode('y: '))
+ var input = document.createElement('input')
+ input.type = 'text'
+ input.size = 6
+ div.appendChild(input)
+ mod.ypos = input
+ div.appendChild(document.createElement('br'))
+ div.appendChild(document.createTextNode('alignment:'))
+ div.appendChild(document.createElement('br'))
+ var input = document.createElement('input')
+ input.type = 'radio'
+ input.name = mod.div.id+'origin'
+ input.id = mod.div.id+'topleft'
+ div.appendChild(input)
+ mod.topleft = input
+ div.appendChild(document.createTextNode(' left \u00A0\u00A0 top \u00A0\u00A0 right '))
+ var input = document.createElement('input')
+ input.type = 'radio'
+ input.name = mod.div.id+'origin'
+ input.id = mod.div.id+'topright'
+ div.appendChild(input)
+ mod.topright = input
+ div.appendChild(document.createElement('br'))
+ var input = document.createElement('input')
+ input.type = 'radio'
+ input.name = mod.div.id+'origin'
+ input.id = mod.div.id+'botleft'
+ div.appendChild(input)
+ mod.botleft = input
+ div.appendChild(document.createTextNode(' left bottom right '))
+ var input = document.createElement('input')
+ input.type = 'radio'
+ input.name = mod.div.id+'origin'
+ input.id = mod.div.id+'botright'
+ div.appendChild(input)
+ mod.botright = input
+ }
+//
+// local functions
+//
+// set_values
+//
+function set_values(settings) {
+ for (var s in settings) {
+ switch(s) {
+ case 'power (%)':
+ mod.power.value = settings[s]
+ break
+ case 'speed (%)':
+ mod.speed.value = settings[s]
+ break
+ case 'rate (pps)':
+ mod.rate.value = settings[s]
+ break
+ }
+ }
+ }
+//
+// make_path
+//
+function make_path() {
+ var dx = mod.width/mod.dpi
+ var dy = mod.height/mod.dpi
+ var nx = mod.width
+ var ny = mod.height
+ var scale = 600.0*dx/(nx-1) // 600 DPI
+ var power = parseFloat(mod.power.value)
+ var speed = parseFloat(mod.speed.value)
+ var rate = parseFloat(mod.rate.value)
+ var ox = parseFloat(mod.xpos.value)/25.4
+ var oy = parseFloat(mod.ypos.value)/25.4
+ if (mod.botleft.checked) {
+ var xoffset = 600.0*ox
+ var yoffset = 600.0*(oy-dy)
+ }
+ else if (mod.botright.checked) {
+ var xoffset = 600.0*(ox-dx)
+ var yoffset = 600.0*(oy-dy)
+ }
+ else if (mod.topleft.checked) {
+ var xoffset = 600.0*ox
+ var yoffset = 600.0*oy
+ }
+ else if (mod.topright.checked) {
+ var xoffset = 600.0*(ox-dx)
+ var yoffset = 600.0*oy
+ }
+ var str = "%-12345X@PJL JOB NAME=" + mod.name + "\r\n"
+ str += "E@PJL ENTER LANGUAGE=PCL\r\n"
+ if (mod.focus.checked)
+ //
+ // init with autofocus on
+ //
+ str += "&y1A"
+ else
+ //
+ // init with autofocus off
+ //
+ str += "&y0A"
+ str += "&l0U&l0Z&u600D*p0X*p0Y*t600R*r0F&y50P&z50S*r6600T*r5100S*r1A*rC%1BIN;"
+ str += "XR"+rate+";YP"+power+";ZS"+speed+";\n"
+ //
+ // loop over segments
+ //
+ for (var seg = 0; seg < mod.path.length; ++seg) {
+ //
+ // loop over points
+ //
+ x = xoffset+scale*mod.path[seg][0][0]
+ y = yoffset+scale*(ny-mod.path[seg][0][1])
+ if (x < 0) x = 0
+ if (y < 0) y = 0
+ str += "PU"+x.toFixed(0)+","+y.toFixed(0)+";" // move up to start point
+ for (var pt = 1; pt < mod.path[seg].length; ++pt) {
+ x = xoffset+scale*mod.path[seg][pt][0]
+ y = yoffset+scale*(ny-mod.path[seg][pt][1])
+ if (x < 0) x = 0
+ if (y < 0) y = 0
+ str += "PD"+x.toFixed(0)+","+y.toFixed(0)+";" // move down
+ }
+ str += "\n"
+ }
+ str += "%0B%1BPUE%-12345X@PJL EOJ \r\n"
+ //
+ // end-of-file padding hack from Epilog print driver
+ //
+ for (var i = 0; i < 10000; ++i)
+ str += " "
+ outputs.file.event(str)
+ }
+//
+// return values
+//
+return ({
+ name:name,
+ init:init,
+ inputs:inputs,
+ outputs:outputs,
+ interface:interface
+ })
+}())
diff --git a/programs/index.html b/programs/index.html
index 27139d7..8548888 100644
--- a/programs/index.html
+++ b/programs/index.html
@@ -18,6 +18,7 @@
<i> Epilog</i><br>
<a href="javascript:handler('programs/machines/Epilog/cut%20png')">cut png</a><br>
<a href="javascript:handler('programs/machines/Epilog/cut%20svg')">cut svg</a><br>
+ <a href="javascript:handler('programs/machines/Epilog/cut%20sw')">cut sw</a><br>
<i> G-code</i><br>
<a href="javascript:handler('programs/machines/G-code/mill%202D%20png')">mill 2D png</a><br>
<i> Roland</i><br>
@@ -26,14 +27,16 @@
<a href="javascript:handler('programs/machines/Roland/mill/MDX-20/PCB')">PCB</a><br>
<i> SRM-20</i><br>
<a href="javascript:handler('programs/machines/Roland/mill/SRM-20/PCB')">PCB</a><br>
+ <a href="javascript:handler('programs/machines/Roland/mill/SRM-20/PCB%20sw')">PCB sw</a><br>
<i> vinyl cutter</i><br>
<i> GX-24</i><br>
<a href="javascript:handler('programs/machines/Roland/vinyl%20cutter/GX-24/cut%20png')">cut png</a><br>
<a href="javascript:handler('programs/machines/Roland/vinyl%20cutter/GX-24/cut%20svg')">cut svg</a><br>
+ <a href="javascript:handler('programs/machines/Roland/vinyl%20cutter/GX-24/cut%20sw')">cut sw</a><br>
<i> ShopBot</i><br>
<a href="javascript:handler('programs/machines/ShopBot/mill%202D%20png')">mill 2D png</a><br>
<a href="javascript:handler('programs/machines/ShopBot/mill%202D%20svg')">mill 2D svg</a><br>
- <a href="javascript:handler('programs/machines/ShopBot/mill%202D%20ws')">mill 2D ws</a><br>
+ <a href="javascript:handler('programs/machines/ShopBot/mill%202D%20sw')">mill 2D sw</a><br>
<i>math</i><br>
<a href="javascript:handler('programs/math/benchmark')">benchmark</a><br>
<a href="javascript:handler('programs/math/expressions')">expressions</a><br>
diff --git a/programs/machines/Epilog/cut sw b/programs/machines/Epilog/cut sw
new file mode 100644
index 0000000..968ad0f
--- /dev/null
+++ b/programs/machines/Epilog/cut sw
@@ -0,0 +1 @@
+{"modules":{"0.47383876715576023":{"definition":"//\n// distance transform \n// assumes thresholded image, with zero intensity exterior\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2015,6\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the fab modules \n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'distance transform'\n//\n// initialization\n//\nvar init = function() {\n }\n//\n// inputs\n//\nvar inputs = {\n image:{type:'RGBA',\n event:function(evt){\n mod.input = evt.detail\n var ctx = mod.img.getContext(\"2d\")\n ctx.canvas.width = mod.input.width\n ctx.canvas.height = mod.input.height \n ctx.putImageData(mod.input,0,0)\n distance_transform()}}}\n//\n// outputs\n//\nvar outputs = {\n distances:{type:'F32',\n event:function(){\n mod.distances.height = mod.input.height\n mod.distances.width = mod.input.width\n mods.output(mod,'distances',mod.distances)}}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // on-screen drawing canvas\n //\n var canvas = document.createElement('canvas')\n canvas.width = mods.ui.canvas\n canvas.height = mods.ui.canvas\n canvas.style.backgroundColor = 'rgb(255,255,255)'\n div.appendChild(canvas)\n mod.canvas = canvas\n div.appendChild(document.createElement('br'))\n //\n // off-screen image canvas\n //\n var canvas = document.createElement('canvas')\n mod.img = canvas\n //\n // view button\n //\n div.appendChild(document.createElement('br'))\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('view'))\n btn.addEventListener('click',function(){\n var win = window.open('')\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n })\n win.document.body.appendChild(btn)\n win.document.body.appendChild(document.createElement('br'))\n var canvas = document.createElement('canvas')\n canvas.width = mod.img.width\n canvas.height = mod.img.height\n win.document.body.appendChild(canvas)\n var ctx = canvas.getContext(\"2d\")\n ctx.drawImage(mod.img,0,0)\n })\n div.appendChild(btn)\n }\n//\n// local functions\n//\n// distance transform function\n//\nfunction distance_transform() {\n var blob = new Blob(['('+worker.toString()+'())'])\n var url = window.URL.createObjectURL(blob)\n var webworker = new Worker(url)\n webworker.addEventListener('message',function(evt) {\n window.URL.revokeObjectURL(url)\n var h = mod.img.height\n var w = mod.img.width\n mod.distances = new Float32Array(evt.data.buffer)\n var imgbuf = new Uint8ClampedArray(h*w*4)\n var dmax = -Number.MAX_VALUE\n for (var y = 0; y < h; ++y) {\n for (var x = 0; x < w; ++x) {\n if (mod.distances[(h-1-y)*w+x] > dmax)\n dmax = mod.distances[(h-1-y)*w+x]\n }\n }\n var i\n for (var y = 0; y < h; ++y) {\n for (var x = 0; x < w; ++x) {\n i = 255*mod.distances[(h-1-y)*w+x]/dmax\n imgbuf[(h-1-y)*w*4+x*4+0] = i\n imgbuf[(h-1-y)*w*4+x*4+1] = i\n imgbuf[(h-1-y)*w*4+x*4+2] = i\n imgbuf[(h-1-y)*w*4+x*4+3] = 255\n }\n }\n var imgdata = new ImageData(imgbuf,w,h)\n var ctx = mod.img.getContext(\"2d\")\n ctx.putImageData(imgdata,0,0)\n if (w > h) {\n var x0 = 0\n var y0 = mod.canvas.height*.5*(1-h/w)\n var wd = mod.canvas.width\n var hd = mod.canvas.width*h/w\n }\n else {\n var x0 = mod.canvas.width*.5*(1-w/h)\n var y0 = 0\n var wd = mod.canvas.height*w/h\n var hd = mod.canvas.height\n }\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n ctx.drawImage(mod.img,x0,y0,wd,hd)\n webworker.terminate()\n outputs.distances.event()\n })\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n var ctx = mod.img.getContext(\"2d\")\n ctx.putImageData(mod.input,0,0)\n var img = ctx.getImageData(0,0,mod.img.width,mod.img.height)\n webworker.postMessage({\n height:mod.input.height,width:mod.input.width,\n buffer:img.data.buffer},\n [img.data.buffer])\n }\n//\n// distance transform worker\n//\nfunction worker() {\n self.addEventListener('message',function(evt) {\n var ny = evt.data.height\n var nx = evt.data.width\n var input = new Uint8ClampedArray(evt.data.buffer)\n var output = new Float32Array(nx*ny)\n function distance(g,x,y,i) {\n return ((y-i)*(y-i)+g[i][x]*g[i][x])\n }\n function intersection(g,x,y0,y1) {\n return ((g[y0][x]*g[y0][x]-g[y1][x]*g[y1][x]+y0*y0-y1*y1)/(2.0*(y0-y1)))\n }\n //\n // allocate arrays\n //\n var g = []\n for (var y = 0; y < ny; ++y)\n g[y] = new Uint32Array(nx)\n var h = []\n for (var y = 0; y < ny; ++y)\n h[y] = new Uint32Array(nx)\n var distances = []\n for (var y = 0; y < ny; ++y)\n distances[y] = new Uint32Array(nx)\n var starts = new Uint32Array(ny)\n var minimums = new Uint32Array(ny)\n var d\n //\n // column scan\n // \n for (var y = 0; y < ny; ++y) {\n //\n // right pass\n //\n var closest = -nx\n for (var x = 0; x < nx; ++x) {\n if (input[(ny-1-y)*nx*4+x*4+0] != 0) {\n g[y][x] = 0\n closest = x\n }\n else\n g[y][x] = (x-closest)\n }\n //\n // left pass\n //\n closest = 2*nx\n for (var x = (nx-1); x >= 0; --x) {\n if (input[(ny-1-y)*nx*4+x*4+0] != 0)\n closest = x\n else {\n d = (closest-x)\n if (d < g[y][x])\n g[y][x] = d\n }\n }\n }\n //\n // row scan\n //\n for (var x = 0; x < nx; ++x) {\n var segment = 0\n starts[0] = 0\n minimums[0] = 0\n //\n // down \n //\n for (var y = 1; y < ny; ++y) {\n while ((segment >= 0) &&\n (distance(g,x,starts[segment],minimums[segment]) > distance(g,x,starts[segment],y)))\n segment -= 1\n if (segment < 0) {\n segment = 0\n minimums[0] = y\n }\n else {\n newstart = 1+intersection(g,x,minimums[segment],y)\n if (newstart < ny) {\n segment += 1\n minimums[segment] = y\n starts[segment] = newstart\n }\n }\n }\n //\n // up \n //\n for (var y = (ny-1); y >= 0; --y) {\n d = Math.sqrt(distance(g,x,y,minimums[segment]))\n output[(ny-1-y)*nx+x] = d\n if (y == starts[segment])\n segment -= 1\n }\n }\n self.postMessage({buffer:output.buffer},[output.buffer])\n })\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"160","left":"2141","inputs":{},"outputs":{}},"0.07944144280928633":{"definition":"//\n// edge detect\n// green = interior, blue = exterior, red = boundary\n// assumes input is thresholded\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2015,6\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the fab modules \n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'edge detect'\n//\n// initialization\n//\nvar init = function() {\n }\n//\n// inputs\n//\nvar inputs = {\n image:{type:'RGBA',\n event:function(evt){\n mod.input = evt.detail\n var ctx = mod.img.getContext(\"2d\")\n ctx.canvas.width = mod.input.width\n ctx.canvas.height = mod.input.height \n ctx.putImageData(mod.input,0,0)\n edge_detect()}}}\n//\n// outputs\n//\nvar outputs = {\n image:{type:'RGBA',\n event:function(){\n var ctx = mod.img.getContext(\"2d\")\n var img = ctx.getImageData(0,0,mod.img.width,mod.img.height)\n mods.output(mod,'image',img)}}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // on-screen drawing canvas\n //\n var canvas = document.createElement('canvas')\n canvas.width = mods.ui.canvas\n canvas.height = mods.ui.canvas\n canvas.style.backgroundColor = 'rgb(255,255,255)'\n div.appendChild(canvas)\n mod.canvas = canvas\n div.appendChild(document.createElement('br'))\n //\n // off-screen image canvas\n //\n var canvas = document.createElement('canvas')\n mod.img = canvas\n //\n // view button\n //\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('view'))\n btn.addEventListener('click',function(){\n var win = window.open('')\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n })\n win.document.body.appendChild(btn)\n win.document.body.appendChild(document.createElement('br'))\n win.document.body.appendChild(document.createTextNode('green:interior, blue:exterior, red:boundary'))\n win.document.body.appendChild(document.createElement('br'))\n var canvas = document.createElement('canvas')\n canvas.width = mod.img.width\n canvas.height = mod.img.height\n win.document.body.appendChild(canvas)\n var ctx = canvas.getContext(\"2d\")\n ctx.drawImage(mod.img,0,0)\n })\n div.appendChild(btn)\n }\n//\n// local functions\n//\n// edge detect\n//\nfunction edge_detect() {\n var blob = new Blob(['('+worker.toString()+'())'])\n var url = window.URL.createObjectURL(blob)\n var webworker = new Worker(url)\n webworker.addEventListener('message',function(evt) {\n window.URL.revokeObjectURL(url)\n var h = mod.img.height\n var w = mod.img.width\n var buf = new Uint8ClampedArray(evt.data.buffer)\n var imgdata = new ImageData(buf,w,h)\n var ctx = mod.img.getContext(\"2d\")\n ctx.putImageData(imgdata,0,0)\n if (w > h) {\n var x0 = 0\n var y0 = mod.canvas.height*.5*(1-h/w)\n var wd = mod.canvas.width\n var hd = mod.canvas.width*h/w\n }\n else {\n var x0 = mod.canvas.width*.5*(1-w/h)\n var y0 = 0\n var wd = mod.canvas.height*w/h\n var hd = mod.canvas.height\n }\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n ctx.drawImage(mod.img,x0,y0,wd,hd)\n webworker.terminate()\n outputs.image.event()\n })\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n webworker.postMessage({worker:worker.toString(),\n height:mod.input.height,width:mod.input.width,\n buffer:mod.input.data.buffer},\n [mod.input.data.buffer])\n }\nfunction worker() {\n self.addEventListener('message',function(evt) {\n var h = evt.data.height\n var w = evt.data.width\n var input = new Uint8ClampedArray(evt.data.buffer)\n var output = new Uint8ClampedArray(h*w*4)\n var i00,i0m,i0p,im0,ip0,imm,imp,ipm,ipp,row,col\n //\n // find edges - interior\n //\n for (row = 1; row < (h-1); ++row) {\n for (col = 1; col < (w-1); ++col) {\n i00 = (input[(h-1-row)*w*4+col*4+0] \n +input[(h-1-row)*w*4+col*4+1] \n +input[(h-1-row)*w*4+col*4+2])\n i0p = (input[(h-1-row)*w*4+(col+1)*4+0] \n +input[(h-1-row)*w*4+(col+1)*4+1] \n +input[(h-1-row)*w*4+(col+1)*4+2])\n ip0 = (input[(h-2-row)*w*4+col*4+0] \n +input[(h-2-row)*w*4+col*4+1] \n +input[(h-2-row)*w*4+col*4+2])\n ipp = (input[(h-2-row)*w*4+(col+1)*4+0] \n +input[(h-2-row)*w*4+(col+1)*4+1] \n +input[(h-2-row)*w*4+(col+1)*4+2])\n i0m = (input[(h-1-row)*w*4+(col-1)*4+0] \n +input[(h-1-row)*w*4+(col-1)*4+1] \n +input[(h-1-row)*w*4+(col-1)*4+2])\n im0 = (input[(h-row)*w*4+col*4+0] \n +input[(h-row)*w*4+col*4+1] \n +input[(h-row)*w*4+col*4+2])\n imm = (input[(h-row)*w*4+(col-1)*4+0] \n +input[(h-row)*w*4+(col-1)*4+1] \n +input[(h-row)*w*4+(col-1)*4+2])\n imp = (input[(h-row)*w*4+(col+1)*4+0] \n +input[(h-row)*w*4+(col+1)*4+1] \n +input[(h-row)*w*4+(col+1)*4+2])\n ipm = (input[(h-2-row)*w*4+(col-1)*4+0] \n +input[(h-2-row)*w*4+(col-1)*4+1] \n +input[(h-2-row)*w*4+(col-1)*4+2])\n if ((i00 != i0p) || (i00 != ip0) || (i00 != ipp) \n || (i00 != i0m) || (i00 != im0) || (i00 != imm)\n || (i00 != imp) || (i00 != ipm)) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else if (i00 == 0) {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n }\n }\n //\n // left and right edges\n //\n for (row = 1; row < (h-1); ++row) {\n col = w-1\n i00 = (input[(h-1-row)*w*4+col*4+0] \n +input[(h-1-row)*w*4+col*4+1] \n +input[(h-1-row)*w*4+col*4+2])\n i0m = (input[(h-1-row)*w*4+(col-1)*4+0] \n +input[(h-1-row)*w*4+(col-1)*4+1] \n +input[(h-1-row)*w*4+(col-1)*4+2])\n imm = (input[(h-row)*w*4+(col-1)*4+0] \n +input[(h-row)*w*4+(col-1)*4+1] \n +input[(h-row)*w*4+(col-1)*4+2])\n ipm = (input[(h-2-row)*w*4+(col-1)*4+0] \n +input[(h-2-row)*w*4+(col-1)*4+1] \n +input[(h-2-row)*w*4+(col-1)*4+2])\n im0 = (input[(h-row)*w*4+col*4+0] \n +input[(h-row)*w*4+col*4+1] \n +input[(h-row)*w*4+col*4+2])\n ip0 = (input[(h-2-row)*w*4+col*4+0] \n +input[(h-2-row)*w*4+col*4+1] \n +input[(h-2-row)*w*4+col*4+2])\n if ((i00 != i0m) || (i00 != ip0) || (i00 != ipm) \n || (i00 != im0) || (i00 != imm)) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else if (i00 == 0) {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n col = 0\n i00 = (input[(h-1-row)*w*4+col*4+0] \n +input[(h-1-row)*w*4+col*4+1] \n +input[(h-1-row)*w*4+col*4+2])\n i0p = (input[(h-1-row)*w*4+(col+1)*4+0] \n +input[(h-1-row)*w*4+(col+1)*4+1] \n +input[(h-1-row)*w*4+(col+1)*4+2])\n imp = (input[(h-row)*w*4+(col+1)*4+0] \n +input[(h-row)*w*4+(col+1)*4+1] \n +input[(h-row)*w*4+(col+1)*4+2])\n ipp = (input[(h-2-row)*w*4+(col+1)*4+0] \n +input[(h-2-row)*w*4+(col+1)*4+1] \n +input[(h-2-row)*w*4+(col+1)*4+2])\n im0 = (input[(h-row)*w*4+col*4+0] \n +input[(h-row)*w*4+col*4+1] \n +input[(h-row)*w*4+col*4+2])\n ip0 = (input[(h-2-row)*w*4+col*4+0] \n +input[(h-2-row)*w*4+col*4+1] \n +input[(h-2-row)*w*4+col*4+2])\n if ((i00 != i0p) || (i00 != ip0) || (i00 != ipp) \n || (i00 != im0) || (i00 != imp)) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else if (i00 == 0) {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n }\n //\n // top and bottom edges\n //\n for (col = 1; col < (w-1); ++col) {\n row = h-1\n i00 = (input[(h-1-row)*w*4+col*4+0] \n +input[(h-1-row)*w*4+col*4+1] \n +input[(h-1-row)*w*4+col*4+2])\n i0m = (input[(h-1-row)*w*4+(col-1)*4+0] \n +input[(h-1-row)*w*4+(col-1)*4+1] \n +input[(h-1-row)*w*4+(col-1)*4+2])\n i0p = (input[(h-1-row)*w*4+(col+1)*4+0] \n +input[(h-1-row)*w*4+(col+1)*4+1] \n +input[(h-1-row)*w*4+(col+1)*4+2])\n imm = (input[(h-row)*w*4+(col-1)*4+0] \n +input[(h-row)*w*4+(col-1)*4+1] \n +input[(h-row)*w*4+(col-1)*4+2])\n im0 = (input[(h-row)*w*4+col*4+0] \n +input[(h-row)*w*4+col*4+1] \n +input[(h-row)*w*4+col*4+2])\n imp = (input[(h-row)*w*4+(col+1)*4+0] \n +input[(h-row)*w*4+(col+1)*4+1] \n +input[(h-row)*w*4+(col+1)*4+2])\n if ((i00 != i0m) || (i00 != i0p) || (i00 != imm) \n || (i00 != im0) || (i00 != imp)) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else if (i00 == 0) {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n row = 0\n i00 = (input[(h-1-row)*w*4+col*4+0] \n +input[(h-1-row)*w*4+col*4+1] \n +input[(h-1-row)*w*4+col*4+2])\n i0m = (input[(h-1-row)*w*4+(col-1)*4+0] \n +input[(h-1-row)*w*4+(col-1)*4+1] \n +input[(h-1-row)*w*4+(col-1)*4+2])\n i0p = (input[(h-1-row)*w*4+(col+1)*4+0] \n +input[(h-1-row)*w*4+(col+1)*4+1] \n +input[(h-1-row)*w*4+(col+1)*4+2])\n ipm = (input[(h-2-row)*w*4+(col-1)*4+0] \n +input[(h-2-row)*w*4+(col-1)*4+1] \n +input[(h-2-row)*w*4+(col-1)*4+2])\n ip0 = (input[(h-2-row)*w*4+col*4+0] \n +input[(h-2-row)*w*4+col*4+1] \n +input[(h-2-row)*w*4+col*4+2])\n ipp = (input[(h-2-row)*w*4+(col+1)*4+0] \n +input[(h-2-row)*w*4+(col+1)*4+1] \n +input[(h-2-row)*w*4+(col+1)*4+2])\n if ((i00 != i0m) || (i00 != i0p) || (i00 != ipm) \n || (i00 != ip0) || (i00 != ipp)) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else if (i00 == 0) {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n }\n //\n // corners\n //\n row = 0\n col = 0\n i00 = (input[(h-1-row)*w*4+col*4+0] \n +input[(h-1-row)*w*4+col*4+1] \n +input[(h-1-row)*w*4+col*4+2])\n i0p = (input[(h-1-row)*w*4+(col+1)*4+0] \n +input[(h-1-row)*w*4+(col+1)*4+1] \n +input[(h-1-row)*w*4+(col+1)*4+2])\n ip0 = (input[(h-2-row)*w*4+col*4+0] \n +input[(h-2-row)*w*4+col*4+1] \n +input[(h-2-row)*w*4+col*4+2])\n ipp = (input[(h-2-row)*w*4+(col+1)*4+0] \n +input[(h-2-row)*w*4+(col+1)*4+1] \n +input[(h-2-row)*w*4+(col+1)*4+2])\n if ((i00 != i0p) || (i00 != ip0) || (i00 != ipp)) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else if (i00 == 0) {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n row = 0\n col = w-1\n i00 = (input[(h-1-row)*w*4+col*4+0] \n +input[(h-1-row)*w*4+col*4+1] \n +input[(h-1-row)*w*4+col*4+2])\n i0m = (input[(h-1-row)*w*4+(col-1)*4+0] \n +input[(h-1-row)*w*4+(col-1)*4+1] \n +input[(h-1-row)*w*4+(col-1)*4+2])\n ip0 = (input[(h-2-row)*w*4+col*4+0] \n +input[(h-2-row)*w*4+col*4+1] \n +input[(h-2-row)*w*4+col*4+2])\n ipm = (input[(h-2-row)*w*4+(col-1)*4+0] \n +input[(h-2-row)*w*4+(col-1)*4+1] \n +input[(h-2-row)*w*4+(col-1)*4+2])\n if ((i00 != i0m) || (i00 != ip0) || (i00 != ipm)) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else if (i00 == 0) {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n row = h-1\n col = 0\n i00 = (input[(h-1-row)*w*4+col*4+0] \n +input[(h-1-row)*w*4+col*4+1] \n +input[(h-1-row)*w*4+col*4+2])\n i0p = (input[(h-1-row)*w*4+(col+1)*4+0] \n +input[(h-1-row)*w*4+(col+1)*4+1] \n +input[(h-1-row)*w*4+(col+1)*4+2])\n im0 = (input[(h-row)*w*4+col*4+0] \n +input[(h-row)*w*4+col*4+1] \n +input[(h-row)*w*4+col*4+2])\n imp = (input[(h-row)*w*4+(col+1)*4+0] \n +input[(h-row)*w*4+(col+1)*4+1] \n +input[(h-row)*w*4+(col+1)*4+2])\n if ((i00 != i0p) || (i00 != im0) || (i00 != imp)) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else if (i00 == 0) {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n row = h-1\n col = w-1\n i00 = (input[(h-1-row)*w*4+col*4+0] \n +input[(h-1-row)*w*4+col*4+1] \n +input[(h-1-row)*w*4+col*4+2])\n i0m = (input[(h-1-row)*w*4+(col-1)*4+0] \n +input[(h-1-row)*w*4+(col-1)*4+1] \n +input[(h-1-row)*w*4+(col-1)*4+2])\n im0 = (input[(h-row)*w*4+col*4+0] \n +input[(h-row)*w*4+col*4+1] \n +input[(h-row)*w*4+col*4+2])\n imm = (input[(h-row)*w*4+(col-1)*4+0] \n +input[(h-row)*w*4+(col-1)*4+1] \n +input[(h-row)*w*4+(col-1)*4+2])\n if ((i00 != i0m) || (i00 != im0) || (i00 != imm)) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else if (i00 == 0) {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n self.postMessage({buffer:output.buffer},[output.buffer])\n })\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"613","left":"2156","inputs":{},"outputs":{}},"0.8903773266711255":{"definition":"//\n// orient edges\n// input is green:interior, blue:exterior, red:boundary\n// output is red 128:north,64:south, green 128:east,64:west, blue 128:start,64:stop\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2016\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the fab modules \n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'orient edges'\n//\n// initialization\n//\nvar init = function() {\n }\n//\n// inputs\n//\nvar inputs = {\n image:{type:'RGBA',\n event:function(evt){\n mod.input = evt.detail\n var ctx = mod.img.getContext(\"2d\")\n ctx.canvas.width = mod.input.width\n ctx.canvas.height = mod.input.height \n ctx.putImageData(mod.input,0,0)\n var ctx = mod.display.getContext(\"2d\")\n ctx.canvas.width = mod.input.width\n ctx.canvas.height = mod.input.height \n orient_edges()\n }}}\n//\n// outputs\n//\nvar outputs = {\n image:{type:'RGBA',\n event:function(){\n var ctx = mod.img.getContext(\"2d\")\n var img = ctx.getImageData(0,0,mod.img.width,mod.img.height)\n mods.output(mod,'image',img)}}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // on-screen drawing canvas\n //\n var canvas = document.createElement('canvas')\n canvas.width = mods.ui.canvas\n canvas.height = mods.ui.canvas\n canvas.style.backgroundColor = 'rgb(255,255,255)'\n div.appendChild(canvas)\n mod.canvas = canvas\n div.appendChild(document.createElement('br'))\n //\n // off-screen image canvas\n //\n var canvas = document.createElement('canvas')\n mod.img = canvas\n //\n // off-screen display canvas\n //\n var canvas = document.createElement('canvas')\n mod.display = canvas\n //\n // view button\n //\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('view'))\n btn.addEventListener('click',function(){\n var win = window.open('')\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n })\n win.document.body.appendChild(btn)\n win.document.body.appendChild(document.createElement('br'))\n win.document.body.appendChild(document.createTextNode('red:north, dark red:south'))\n win.document.body.appendChild(document.createElement('br'))\n win.document.body.appendChild(document.createTextNode('green:east, dark green:west'))\n win.document.body.appendChild(document.createElement('br'))\n win.document.body.appendChild(document.createTextNode('blue:start, dark blue:stop'))\n win.document.body.appendChild(document.createElement('br'))\n var canvas = document.createElement('canvas')\n canvas.width = mod.img.width\n canvas.height = mod.img.height\n win.document.body.appendChild(canvas)\n var ctx = canvas.getContext(\"2d\")\n ctx.drawImage(mod.display,0,0)\n })\n div.appendChild(btn)\n }\n//\n// local functions\n//\n// orient edges\n//\nfunction orient_edges() {\n var blob = new Blob(['('+worker.toString()+'())'])\n var url = window.URL.createObjectURL(blob)\n var webworker = new Worker(url)\n webworker.addEventListener('message',function(evt) {\n window.URL.revokeObjectURL(url)\n var h = mod.img.height\n var w = mod.img.width\n var buf = new Uint8ClampedArray(evt.data.buffer)\n var imgdata = new ImageData(buf,w,h)\n var ctx = mod.img.getContext(\"2d\")\n ctx.putImageData(imgdata,0,0)\n var disp = new Uint8ClampedArray(evt.data.display)\n var dispdata = new ImageData(disp,w,h)\n var ctx = mod.display.getContext(\"2d\")\n ctx.putImageData(dispdata,0,0)\n if (w > h) {\n var x0 = 0\n var y0 = mod.canvas.height*.5*(1-h/w)\n var wd = mod.canvas.width\n var hd = mod.canvas.width*h/w\n }\n else {\n var x0 = mod.canvas.width*.5*(1-w/h)\n var y0 = 0\n var wd = mod.canvas.height*w/h\n var hd = mod.canvas.height\n }\n var w = mod.canvas.width\n var h = mod.canvas.height\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,w,h)\n ctx.drawImage(mod.display,x0,y0,wd,hd)\n webworker.terminate()\n outputs.image.event()\n })\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n webworker.postMessage({\n height:mod.input.height,width:mod.input.width,\n buffer:mod.input.data.buffer},\n [mod.input.data.buffer])\n }\nfunction worker() {\n self.addEventListener('message',function(evt) {\n var h = evt.data.height\n var w = evt.data.width\n var input = new Uint8ClampedArray(evt.data.buffer)\n var output = new Uint8ClampedArray(h*w*4)\n var row,col\n var boundary = 0\n var interior = 1\n var exterior = 2\n var alpha = 3\n var northsouth = 0\n var north = 128\n var south = 64\n var eastwest = 1\n var east = 128\n var west = 64\n var startstop = 2\n var start = 128\n var stop = 64\n //\n // orient body states\n //\n for (row = 1; row < (h-1); ++row) {\n for (col = 1; col < (w-1); ++col) {\n output[(h-1-row)*w*4+col*4+northsouth] = 0\n output[(h-1-row)*w*4+col*4+eastwest] = 0\n output[(h-1-row)*w*4+col*4+startstop] = 0\n output[(h-1-row)*w*4+col*4+alpha] = 255\n if (input[(h-1-(row))*w*4+(col)*4+boundary] != 0) {\n if ((input[(h-1-(row+1))*w*4+(col)*4+boundary] != 0)\n && ((input[(h-1-(row))*w*4+(col+1)*4+interior] != 0)\n || (input[(h-1-(row+1))*w*4+(col+1)*4+interior] != 0)))\n output[(h-1-row)*w*4+col*4+northsouth] |= north\n if ((input[(h-1-(row-1))*w*4+(col)*4+boundary] != 0)\n && ((input[(h-1-(row))*w*4+(col-1)*4+interior] != 0)\n || (input[(h-1-(row-1))*w*4+(col-1)*4+interior] != 0)))\n output[(h-1-row)*w*4+col*4+northsouth] |= south\n if ((input[(h-1-(row))*w*4+(col+1)*4+boundary] != 0)\n && ((input[(h-1-(row-1))*w*4+(col)*4+interior] != 0)\n || (input[(h-1-(row-1))*w*4+(col+1)*4+interior] != 0)))\n output[(h-1-row)*w*4+col*4+eastwest] |= east\n if ((input[(h-1-(row))*w*4+(col-1)*4+boundary] != 0)\n && ((input[(h-1-(row+1))*w*4+(col)*4+interior] != 0)\n || (input[(h-1-(row+1))*w*4+(col-1)*4+interior] != 0)))\n output[(h-1-row)*w*4+col*4+eastwest] |= west\n }\n }\n }\n //\n // orient edge states\n //\n for (col = 1; col < (w-1); ++col) {\n row = 0\n output[(h-1-row)*w*4+col*4+northsouth] = 0\n output[(h-1-row)*w*4+col*4+eastwest] = 0\n output[(h-1-row)*w*4+col*4+startstop] = 0\n output[(h-1-row)*w*4+col*4+alpha] = 255\n if (input[(h-1-(row))*w*4+(col)*4+boundary] != 0) {\n if ((input[(h-1-(row+1))*w*4+(col)*4+boundary] != 0)\n && (input[(h-1-(row))*w*4+(col+1)*4+interior] != 0)) {\n output[(h-1-row)*w*4+col*4+northsouth] |= north\n output[(h-1-row)*w*4+col*4+startstop] |= start\n }\n if (input[(h-1-(row))*w*4+(col-1)*4+interior] != 0)\n output[(h-1-row)*w*4+col*4+startstop] |= stop\n }\n row = h-1\n output[(h-1-row)*w*4+col*4+northsouth] = 0\n output[(h-1-row)*w*4+col*4+eastwest] = 0\n output[(h-1-row)*w*4+col*4+startstop] = 0\n output[(h-1-row)*w*4+col*4+alpha] = 255\n if (input[(h-1-(row))*w*4+(col)*4+boundary] != 0) {\n if (input[(h-1-(row))*w*4+(col+1)*4+interior] != 0)\n output[(h-1-row)*w*4+col*4+startstop] |= stop\n if ((input[(h-1-(row-1))*w*4+(col)*4+boundary] != 0)\n && (input[(h-1-(row))*w*4+(col-1)*4+interior] != 0)) {\n output[(h-1-row)*w*4+col*4+northsouth] |= south\n output[(h-1-row)*w*4+col*4+startstop] |= start\n }\n }\n }\n for (row = 1; row < (h-1); ++row) {\n col = 0\n output[(h-1-row)*w*4+col*4+northsouth] = 0\n output[(h-1-row)*w*4+col*4+eastwest] = 0\n output[(h-1-row)*w*4+col*4+startstop] = 0\n output[(h-1-row)*w*4+col*4+alpha] = 255\n if (input[(h-1-(row))*w*4+(col)*4+boundary] != 0) {\n if ((input[(h-1-(row))*w*4+(col+1)*4+boundary] != 0)\n && (input[(h-1-(row-1))*w*4+(col)*4+interior] != 0)) {\n output[(h-1-row)*w*4+col*4+eastwest] |= east\n output[(h-1-row)*w*4+col*4+startstop] |= start\n }\n if (input[(h-1-(row+1))*w*4+(col)*4+interior] != 0)\n output[(h-1-row)*w*4+col*4+startstop] |= stop\n }\n col = w-1\n output[(h-1-row)*w*4+col*4+northsouth] = 0\n output[(h-1-row)*w*4+col*4+eastwest] = 0\n output[(h-1-row)*w*4+col*4+startstop] = 0\n output[(h-1-row)*w*4+col*4+alpha] = 255\n if (input[(h-1-(row))*w*4+(col)*4+boundary] != 0) {\n if (input[(h-1-(row-1))*w*4+(col)*4+interior] != 0)\n output[(h-1-row)*w*4+col*4+startstop] |= stop\n if ((input[(h-1-(row))*w*4+(col-1)*4+boundary] != 0)\n && (input[(h-1-(row+1))*w*4+(col)*4+interior] != 0)) {\n output[(h-1-row)*w*4+col*4+eastwest] |= west\n output[(h-1-row)*w*4+col*4+startstop] |= start\n }\n }\n }\n //\n // orient corner states (todo)\n //\n row = 0\n col = 0\n output[(h-1-row)*w*4+col*4+northsouth] = 0\n output[(h-1-row)*w*4+col*4+eastwest] = 0\n output[(h-1-row)*w*4+col*4+startstop] = 0\n output[(h-1-row)*w*4+col*4+alpha] = 255\n row = h-1\n col = 0\n output[(h-1-row)*w*4+col*4+northsouth] = 0\n output[(h-1-row)*w*4+col*4+eastwest] = 0\n output[(h-1-row)*w*4+col*4+startstop] = 0\n output[(h-1-row)*w*4+col*4+alpha] = 255\n row = 0\n col = w-1\n output[(h-1-row)*w*4+col*4+northsouth] = 0\n output[(h-1-row)*w*4+col*4+eastwest] = 0\n output[(h-1-row)*w*4+col*4+startstop] = 0\n output[(h-1-row)*w*4+col*4+alpha] = 255\n row = h-1\n col = w-1\n output[(h-1-row)*w*4+col*4+northsouth] = 0\n output[(h-1-row)*w*4+col*4+eastwest] = 0\n output[(h-1-row)*w*4+col*4+startstop] = 0\n output[(h-1-row)*w*4+col*4+alpha] = 255\n //\n // invert background for display\n //\n var display = new Uint8ClampedArray(h*w*4)\n var r,g,b,i\n for (row = 0; row < h; ++row) {\n for (col = 0; col < w; ++col) {\n r = output[(h-1-row)*w*4+col*4+0]\n g = output[(h-1-row)*w*4+col*4+1]\n b = output[(h-1-row)*w*4+col*4+2]\n i = r+g+b\n if (i != 0) { \n display[(h-1-row)*w*4+col*4+0] = output[(h-1-row)*w*4+col*4+0]\n display[(h-1-row)*w*4+col*4+1] = output[(h-1-row)*w*4+col*4+1]\n display[(h-1-row)*w*4+col*4+2] = output[(h-1-row)*w*4+col*4+2]\n display[(h-1-row)*w*4+col*4+3] = output[(h-1-row)*w*4+col*4+3]\n }\n else {\n display[(h-1-row)*w*4+col*4+0] = 255\n display[(h-1-row)*w*4+col*4+1] = 255\n display[(h-1-row)*w*4+col*4+2] = 255\n display[(h-1-row)*w*4+col*4+3] = 255\n }\n }\n }\n //\n // return output\n //\n self.postMessage({buffer:output.buffer,display:display.buffer},[output.buffer,display.buffer])\n })\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"499","left":"1686","inputs":{},"outputs":{}},"0.3135579179893032":{"definition":"//\n// distance transform \n// assumes thresholded image, with zero intensity exterior\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2015,6\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the fab modules \n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'offset'\n//\n// initialization\n//\nvar init = function() {\n mod.offset.value = ''\n }\n//\n// inputs\n//\nvar inputs = {\n distances:{type:'F32',\n event:function(evt){\n mod.distances = evt.detail\n var h = mod.distances.height\n var w = mod.distances.width\n var ctx = mod.img.getContext(\"2d\")\n ctx.canvas.height = mod.distances.height \n ctx.canvas.width = mod.distances.width\n if (mod.offset.value != '')\n offset()\n }},\n offset:{type:'number',\n event:function(evt){\n mod.offset.value = evt.detail\n offset()}}}\n//\n// outputs\n//\nvar outputs = {\n image:{type:'RGBA',\n event:function(){\n var ctx = mod.img.getContext(\"2d\")\n var img = ctx.getImageData(0,0,mod.img.width,mod.img.height)\n mods.output(mod,'image',img)}}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // on-screen drawing canvas\n //\n var canvas = document.createElement('canvas')\n canvas.width = mods.ui.canvas\n canvas.height = mods.ui.canvas\n canvas.style.backgroundColor = 'rgb(255,255,255)'\n div.appendChild(canvas)\n mod.canvas = canvas\n div.appendChild(document.createElement('br'))\n //\n // off-screen image canvas\n //\n var canvas = document.createElement('canvas')\n mod.img = canvas\n //\n // offset value\n //\n div.appendChild(document.createTextNode('offset (pixels): '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('change',function(){\n offset()\n })\n div.appendChild(input)\n mod.offset = input\n //\n // view button\n //\n div.appendChild(document.createElement('br'))\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('view'))\n btn.addEventListener('click',function(){\n var win = window.open('')\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n })\n win.document.body.appendChild(btn)\n win.document.body.appendChild(document.createElement('br'))\n var canvas = document.createElement('canvas')\n canvas.width = mod.img.width\n canvas.height = mod.img.height\n win.document.body.appendChild(canvas)\n var ctx = canvas.getContext(\"2d\")\n ctx.drawImage(mod.img,0,0)\n })\n div.appendChild(btn)\n }\n//\n// local functions\n//\n// offset\n//\nfunction offset() {\n var blob = new Blob(['('+worker.toString()+'())'])\n var url = window.URL.createObjectURL(blob)\n var webworker = new Worker(url)\n webworker.addEventListener('message',function(evt) {\n window.URL.revokeObjectURL(url)\n var h = mod.distances.height\n var w = mod.distances.width\n var buf = new Uint8ClampedArray(evt.data.buffer)\n var imgdata = new ImageData(buf,w,h)\n var ctx = mod.img.getContext(\"2d\")\n ctx.putImageData(imgdata,0,0)\n if (w > h) {\n var x0 = 0\n var y0 = mod.canvas.height*.5*(1-h/w)\n var wd = mod.canvas.width\n var hd = mod.canvas.width*h/w\n }\n else {\n var x0 = mod.canvas.width*.5*(1-w/h)\n var y0 = 0\n var wd = mod.canvas.height*w/h\n var hd = mod.canvas.height\n }\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n ctx.drawImage(mod.img,x0,y0,wd,hd)\n webworker.terminate()\n outputs.image.event()\n })\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n var offset = parseFloat(mod.offset.value)\n webworker.postMessage({\n height:mod.distances.height,width:mod.distances.width,\n offset:offset,buffer:mod.distances.buffer})\n }\n//\n// offset worker\n//\nfunction worker() {\n self.addEventListener('message',function(evt) {\n var h = evt.data.height\n var w = evt.data.width\n var offset = evt.data.offset\n var input = new Float32Array(evt.data.buffer)\n var output = new Uint8ClampedArray(4*h*w)\n for (var row = 0; row < h; ++row) {\n for (var col = 0; col < w; ++col) {\n if (input[(h-1-row)*w+col] <= offset) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n }\n }\n self.postMessage({buffer:output.buffer},[output.buffer])\n })\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"261","left":"2668","inputs":{},"outputs":{}},"0.17844113591127098":{"definition":"//\n// cut raster\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2016\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the fab modules \n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'cut raster'\n//\n// initialization\n//\nvar init = function() {\n mod.in.value = 0.010\n mod.mm.value = 25.4*0.010\n }\n//\n// inputs\n//\nvar inputs = {\n imageInfo:{type:'object',\n event:function(evt){\n mod.name = evt.detail.name\n mod.dpi = evt.detail.dpi\n mod.width = evt.detail.width\n mod.height = evt.detail.height\n }},\n path:{type:'array',\n event:function(evt){\n if (mod.label.nodeValue == 'calculating') {\n mod.label.nodeValue = 'calculate'\n mod.labelspan.style.fontWeight = 'normal'\n mod.path = evt.detail\n outputs.toolpath.event()\n }\n }}}\n//\n// outputs\n//\nvar outputs = {\n offset:{type:'number',\n event:function(){\n var pixels = 0.5*parseFloat(mod.in.value)*mod.dpi\n mods.output(mod,'offset',pixels)\n }},\n toolpath:{type:'object',\n event:function(){\n cmd = {}\n cmd.path = mod.path\n cmd.name = mod.name\n cmd.dpi = mod.dpi\n cmd.width = mod.width\n cmd.height = mod.height\n mods.output(mod,'toolpath',cmd)\n }}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n div.appendChild(document.createTextNode('tool diameter'))\n div.appendChild(document.createElement('br'))\n div.appendChild(document.createTextNode('mm: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('input',function(){\n mod.in.value = parseFloat(mod.mm.value)/25.4\n })\n div.appendChild(input)\n mod.mm = input\n div.appendChild(document.createElement('br'))\n div.appendChild(document.createTextNode('in: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('input',function(){\n mod.mm.value = parseFloat(mod.in.value)*25.4\n })\n div.appendChild(input)\n mod.in = input\n div.appendChild(document.createElement('br'))\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n var span = document.createElement('span')\n var text = document.createTextNode('calculate')\n mod.label = text\n span.appendChild(text)\n mod.labelspan = span\n btn.appendChild(span)\n btn.addEventListener('click',function(){\n mod.label.nodeValue = 'calculating'\n mod.labelspan.style.fontWeight = 'bold'\n outputs.offset.event()\n })\n div.appendChild(btn)\n }\n//\n// local functions\n//\n;\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n\n","top":"379","left":"285","inputs":{},"outputs":{}},"0.6488303557466412":{"definition":"//\n// image threshold\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2015,6\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the fab modules \n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'image threshold'\n//\n// initialization\n//\nvar init = function() {\n mod.threshold.value = 0.5\n }\n//\n// inputs\n//\nvar inputs = {\n image:{type:'RGBA',\n event:function(evt){\n mod.input = evt.detail\n var ctx = mod.img.getContext(\"2d\")\n ctx.canvas.width = mod.input.width\n ctx.canvas.height = mod.input.height \n ctx.putImageData(mod.input,0,0)\n threshold_image()}}}\n//\n// outputs\n//\nvar outputs = {\n image:{type:'RGBA',\n event:function(){\n var ctx = mod.img.getContext(\"2d\")\n var img = ctx.getImageData(0,0,mod.img.width,mod.img.height)\n mods.output(mod,'image',img)}}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // on-screen drawing canvas\n //\n var canvas = document.createElement('canvas')\n canvas.width = mods.ui.canvas\n canvas.height = mods.ui.canvas\n canvas.style.backgroundColor = 'rgb(255,255,255)'\n div.appendChild(canvas)\n mod.canvas = canvas\n div.appendChild(document.createElement('br'))\n //\n // off-screen image canvas\n //\n var canvas = document.createElement('canvas')\n mod.img = canvas\n //\n // threshold value\n //\n div.appendChild(document.createTextNode('threshold (0-1): '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('change',function(){\n threshold_image()\n })\n div.appendChild(input)\n mod.threshold = input\n div.appendChild(document.createElement('br'))\n //\n // view button\n //\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('view'))\n btn.addEventListener('click',function(){\n var win = window.open('')\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n })\n win.document.body.appendChild(btn)\n win.document.body.appendChild(document.createElement('br'))\n var canvas = document.createElement('canvas')\n canvas.width = mod.img.width\n canvas.height = mod.img.height\n win.document.body.appendChild(canvas)\n var ctx = canvas.getContext(\"2d\")\n ctx.drawImage(mod.img,0,0)\n })\n div.appendChild(btn)\n }\n//\n// local functions\n//\n// threshold image\n//\nfunction threshold_image() {\n var blob = new Blob(['('+worker.toString()+'())'])\n var url = window.URL.createObjectURL(blob)\n var webworker = new Worker(url)\n webworker.addEventListener('message',function(evt) {\n window.URL.revokeObjectURL(url)\n var h = mod.img.height\n var w = mod.img.width\n var buf = new Uint8ClampedArray(evt.data.buffer)\n var imgdata = new ImageData(buf,w,h)\n var ctx = mod.img.getContext(\"2d\")\n ctx.putImageData(imgdata,0,0)\n if (w > h) {\n var x0 = 0\n var y0 = mod.canvas.height*.5*(1-h/w)\n var wd = mod.canvas.width\n var hd = mod.canvas.width*h/w\n }\n else {\n var x0 = mod.canvas.width*.5*(1-w/h)\n var y0 = 0\n var wd = mod.canvas.height*w/h\n var hd = mod.canvas.height\n }\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n ctx.drawImage(mod.img,x0,y0,wd,hd)\n webworker.terminate()\n outputs.image.event()\n })\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n var t = parseFloat(mod.threshold.value)\n var ctx = mod.img.getContext(\"2d\")\n ctx.putImageData(mod.input,0,0)\n var img = ctx.getImageData(0,0,mod.img.width,mod.img.height)\n webworker.postMessage({\n height:mod.input.height,width:mod.input.width,threshold:t,\n buffer:img.data.buffer},\n [img.data.buffer])\n }\nfunction worker() {\n self.addEventListener('message',function(evt) {\n var h = evt.data.height\n var w = evt.data.width\n var t = evt.data.threshold\n var buf = new Uint8ClampedArray(evt.data.buffer)\n var r,g,b,a,i\n for (var row = 0; row < h; ++row) {\n for (var col = 0; col < w; ++col) {\n r = buf[(h-1-row)*w*4+col*4+0] \n g = buf[(h-1-row)*w*4+col*4+1] \n b = buf[(h-1-row)*w*4+col*4+2] \n a = buf[(h-1-row)*w*4+col*4+3] \n i = (r+g+b)/(3*255)\n if (a == 0)\n val = 255\n else if (i > t)\n var val = 255\n else\n var val = 0\n buf[(h-1-row)*w*4+col*4+0] = val\n buf[(h-1-row)*w*4+col*4+1] = val\n buf[(h-1-row)*w*4+col*4+2] = val\n buf[(h-1-row)*w*4+col*4+3] = 255\n }\n }\n self.postMessage({buffer:buf.buffer},[buf.buffer])\n })\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"33","left":"1697","inputs":{},"outputs":{}},"0.749132408760488":{"definition":"//\n// vectorize\n// input is red 128:north,64:south, green 128:east,64:west, blue 128:start,64:stop\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2016\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the fab modules \n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'vectorize'\n//\n// initialization\n//\nvar init = function() {\n mod.error.value = 1\n }\n//\n// inputs\n//\nvar inputs = {\n image:{type:'RGBA',\n event:function(evt){\n mod.input = evt.detail\n var ctx = mod.img.getContext(\"2d\")\n ctx.canvas.width = mod.input.width\n ctx.canvas.height = mod.input.height \n ctx.putImageData(mod.input,0,0)\n vectorize()\n }}}\n//\n// outputs\n//\nvar outputs = {\n path:{type:'array',\n event:function(){\n mods.output(mod,'path',mod.path)\n }}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // on-screen SVG\n //\n var svgNS = \"http://www.w3.org/2000/svg\"\n var svg = document.createElementNS(svgNS,\"svg\")\n svg.setAttribute('id',mod.div.id+'svg')\n svg.setAttributeNS(\"http://www.w3.org/2000/xmlns/\",\n \"xmlns:xlink\",\"http://www.w3.org/1999/xlink\")\n svg.setAttribute('width',mods.ui.canvas)\n svg.setAttribute('height',mods.ui.canvas)\n svg.style.backgroundColor = 'rgb(255,255,255)'\n var g = document.createElementNS(svgNS,'g')\n g.setAttribute('id',mod.div.id+'g')\n svg.appendChild(g)\n div.appendChild(svg)\n div.appendChild(document.createElement('br')) \n //\n // off-screen image canvas\n //\n var canvas = document.createElement('canvas')\n mod.img = canvas\n //\n // error value\n //\n div.appendChild(document.createTextNode('vector fit (pixels): '))\n //div.appendChild(document.createElement('br'))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('change',function(){\n vectorize()\n })\n div.appendChild(input)\n mod.error = input\n div.appendChild(document.createElement('br'))\n //\n // sort\n //\n div.appendChild(document.createTextNode('sort distance: '))\n var input = document.createElement('input')\n input.type = 'checkbox'\n input.id = mod.div.id+'sort'\n input.checked = true\n div.appendChild(input)\n mod.sort = input\n div.appendChild(document.createElement('br'))\n //\n // view button\n //\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('view'))\n btn.addEventListener('click',function(){\n var win = window.open('')\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n })\n win.document.body.appendChild(btn)\n win.document.body.appendChild(document.createElement('br'))\n var svg = document.getElementById(mod.div.id+'svg')\n var clone = svg.cloneNode(true)\n clone.setAttribute('width',mod.img.width)\n clone.setAttribute('height',mod.img.height)\n win.document.body.appendChild(clone)\n })\n div.appendChild(btn)\n }\n//\n// local functions\n//\n// vectorize\n//\nfunction vectorize() {\n //\n // draw path\n //\n function draw_path(path) {\n window.URL.revokeObjectURL(url)\n var svg = document.getElementById(mod.div.id+'svg')\n svg.setAttribute('viewBox',\"0 0 \"+(mod.img.width-1)+\" \"+(mod.img.height-1))\n var g = document.getElementById(mod.div.id+'g')\n svg.removeChild(g)\n var g = document.createElementNS('http://www.w3.org/2000/svg','g')\n g.setAttribute('id',mod.div.id+'g')\n var h = mod.img.height\n var w = mod.img.width\n var xend = null\n var yend = null\n //\n // loop over segments\n //\n for (var segment in path) {\n if (path[segment].length > 1) {\n if (xend != null) {\n //\n // draw connection from previous segment\n //\n var line = document.createElementNS('http://www.w3.org/2000/svg','line')\n line.setAttribute('stroke','red')\n line.setAttribute('stroke-width',1)\n line.setAttribute('stroke-linecap','round')\n var x1 = xend\n var y1 = yend\n var x2 = path[segment][0][0]\n var y2 = h-path[segment][0][1]-1\n line.setAttribute('x1',x1)\n line.setAttribute('y1',y1)\n line.setAttribute('x2',x2)\n line.setAttribute('y2',y2)\n var dx = x2-x1\n var dy = y2-y1\n var d = Math.sqrt(dx*dx+dy*dy)\n if (d > 0) {\n nx = 6*dx/d\n ny = 6*dy/d\n var tx = 3*dy/d\n var ty = -3*dx/d\n g.appendChild(line)\n triangle = document.createElementNS('http://www.w3.org/2000/svg','polygon')\n triangle.setAttribute('points',x2+','+y2+' '+(x2-nx+tx)+','+(y2-ny+ty)\n +' '+(x2-nx-tx)+','+(y2-ny-ty))\n triangle.setAttribute('fill','red')\n g.appendChild(triangle)\n }\n }\n //\n // loop over points\n //\n for (var point = 1; point < path[segment].length; ++point) {\n var line = document.createElementNS('http://www.w3.org/2000/svg','line')\n line.setAttribute('stroke','black')\n line.setAttribute('stroke-width',1)\n line.setAttribute('stroke-linecap','round')\n var x1 = path[segment][point-1][0]\n var y1 = h-path[segment][point-1][1]-1\n var x2 = path[segment][point][0]\n var y2 = h-path[segment][point][1]-1\n xend = x2\n yend = y2\n line.setAttribute('x1',x1)\n line.setAttribute('y1',y1)\n line.setAttribute('x2',x2)\n line.setAttribute('y2',y2)\n var dx = x2-x1\n var dy = y2-y1\n var d = Math.sqrt(dx*dx+dy*dy)\n if (d > 0) {\n nx = 6*dx/d\n ny = 6*dy/d\n var tx = 3*dy/d\n var ty = -3*dx/d\n g.appendChild(line)\n triangle = document.createElementNS('http://www.w3.org/2000/svg','polygon')\n triangle.setAttribute('points',x2+','+y2+' '+(x2-nx+tx)+','+(y2-ny+ty)\n +' '+(x2-nx-tx)+','+(y2-ny-ty))\n triangle.setAttribute('fill','black')\n g.appendChild(triangle)\n }\n }\n }\n }\n svg.appendChild(g)\n }\n //\n // set up worker\n //\n var blob = new Blob(['('+worker.toString()+'())'])\n var url = window.URL.createObjectURL(blob)\n var webworker = new Worker(url)\n webworker.addEventListener('message',function(evt) {\n window.URL.revokeObjectURL(url)\n webworker.terminate()\n mod.path = evt.data.path\n draw_path(mod.path)\n outputs.path.event()\n })\n //\n // call worker\n //\n webworker.postMessage({\n height:mod.input.height,width:mod.input.width,sort:mod.sort.checked,\n error:parseFloat(mod.error.value),\n buffer:mod.input.data.buffer})\n }\n//\n// vectorize worker\n//\nfunction worker() {\n self.addEventListener('message',function(evt) {\n var h = evt.data.height\n var w = evt.data.width\n var sort = evt.data.sort\n var input = new Uint8ClampedArray(evt.data.buffer)\n var northsouth = 0\n var north = 128\n var south = 64\n var eastwest = 1\n var east = 128\n var west = 64\n var startstop = 2\n var start = 128\n var stop = 64\n var path = []\n //\n // edge follower\n //\n function follow_edges(row,col) {\n if ((input[(h-1-row)*w*4+col*4+northsouth] != 0)\n || (input[(h-1-row)*w*4+col*4+eastwest] != 0)) {\n path[path.length] = [[col,row]]\n while (1) {\n if (input[(h-1-row)*w*4+col*4+northsouth] & north) {\n input[(h-1-row)*w*4+col*4+northsouth] =\n input[(h-1-row)*w*4+col*4+northsouth] & ~north\n row += 1\n path[path.length-1][path[path.length-1].length] = [col,row]\n }\n else if (input[(h-1-row)*w*4+col*4+northsouth] & south) {\n input[(h-1-row)*w*4+col*4+northsouth] =\n input[(h-1-row)*w*4+col*4+northsouth] & ~south\n row -= 1\n path[path.length-1][path[path.length-1].length] = [col,row]\n }\n else if (input[(h-1-row)*w*4+col*4+eastwest] & east) {\n input[(h-1-row)*w*4+col*4+eastwest] =\n input[(h-1-row)*w*4+col*4+eastwest] & ~east\n col += 1\n path[path.length-1][path[path.length-1].length] = [col,row]\n }\n else if (input[(h-1-row)*w*4+col*4+eastwest] & west) {\n input[(h-1-row)*w*4+col*4+eastwest] =\n input[(h-1-row)*w*4+col*4+eastwest] & ~west\n col -= 1\n path[path.length-1][path[path.length-1].length] = [col,row]\n }\n else\n break\n }\n }\n }\n //\n // follow boundary starts\n //\n for (var row = 1; row < (h-1); ++row) {\n col = 0\n follow_edges(row,col)\n col = w-1\n follow_edges(row,col)\n }\n for (var col = 1; col < (w-1); ++col) {\n row = 0\n follow_edges(row,col)\n row = h-1 \n follow_edges(row,col)\n }\n //\n // follow interior paths\n //\n for (var row = 1; row < (h-1); ++row) {\n for (var col = 1; col < (w-1); ++col) {\n follow_edges(row,col)\n }\n }\n //\n // vectorize path\n //\n var error = evt.data.error\n var vecpath = []\n for (var seg = 0; seg < path.length; ++seg) {\n var x0 = path[seg][0][0]\n var y0 = path[seg][0][1]\n vecpath[vecpath.length] = [[x0,y0]]\n var xsum = x0\n var ysum = y0\n var sum = 1\n for (var pt = 1; pt < path[seg].length; ++pt) {\n var xold = x\n var yold = y\n var x = path[seg][pt][0]\n var y = path[seg][pt][1]\n if (sum == 1) {\n xsum += x\n ysum += y\n sum += 1\n }\n else {\n var xmean = xsum/sum\n var ymean = ysum/sum\n var dx = xmean-x0\n var dy = ymean-y0\n var d = Math.sqrt(dx*dx+dy*dy)\n var nx = dy/d\n var ny = -dx/d\n var l = Math.abs(nx*(x-x0)+ny*(y-y0))\n if (l < error) {\n xsum += x\n ysum += y\n sum += 1\n }\n else {\n vecpath[vecpath.length-1][vecpath[vecpath.length-1].length] = [xold,yold]\n x0 = xold\n y0 = yold\n xsum = xold\n ysum = yold\n sum = 1\n }\n }\n if (pt == (path[seg].length-1)) {\n vecpath[vecpath.length-1][vecpath[vecpath.length-1].length] = [x,y]\n }\n }\n }\n //\n // sort path\n //\n if ((vecpath.length > 0) && (sort == true)) {\n var dmin = w*w+h*h\n segmin = null\n for (var seg = 0; seg < vecpath.length; ++seg) {\n var x = vecpath[seg][0][0]\n var y = vecpath[seg][0][0]\n var d = x*x+y*y\n if (d < dmin) {\n dmin = d\n segmin = seg\n }\n }\n if (segmin != null) {\n var sortpath = [vecpath[segmin]]\n vecpath.splice(segmin,1)\n }\n while (vecpath.length > 0) {\n var dmin = w*w+h*h\n var x0 = sortpath[sortpath.length-1][sortpath[sortpath.length-1].length-1][0]\n var y0 = sortpath[sortpath.length-1][sortpath[sortpath.length-1].length-1][1]\n segmin = null\n for (var seg = 0; seg < vecpath.length; ++seg) {\n var x = vecpath[seg][0][0]\n var y = vecpath[seg][0][1]\n var d = (x-x0)*(x-x0)+(y-y0)*(y-y0)\n if (d < dmin) {\n dmin = d\n segmin = seg\n }\n }\n if (segmin != null) {\n sortpath[sortpath.length] = vecpath[segmin]\n vecpath.splice(segmin,1)\n }\n }\n }\n else if ((vecpath.length > 0) && (sort == false))\n sortpath = vecpath\n else\n sortpath = []\n //\n // return path\n //\n self.postMessage({path:sortpath})\n })\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"690","left":"1173","inputs":{},"outputs":{}},"0.23700502437873816":{"definition":"//\n// convert SVG image\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2016\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the mods\n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'convert SVG image'\n//\n// initialization\n//\nvar init = function() {\n mod.dpi.value = 300\n }\n//\n// inputs\n//\nvar inputs = {\n SVG:{type:'string',\n event:function(evt){\n mod.svg = evt.detail\n get_size()\n draw_image()}}}\n//\n// outputs\n//\nvar outputs = {\n image:{type:'RGBA',\n event:function(){\n var ctx = mod.img.getContext(\"2d\")\n var img = ctx.getImageData(0,0,mod.img.width,mod.img.height)\n mods.output(mod,'image',img)}},\n imageInfo:{type:'object',\n event:function(){\n var obj = {}\n obj.name = \"SVG image\"\n obj.dpi = parseFloat(mod.dpi.value)\n obj.width = mod.img.width\n obj.height = mod.img.height\n mods.output(mod,'imageInfo',obj)}}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // on-screen drawing canvas\n //\n var canvas = document.createElement('canvas')\n canvas.width = mods.ui.canvas\n canvas.height = mods.ui.canvas\n canvas.style.backgroundColor = 'rgb(255,255,255)'\n div.appendChild(canvas)\n mod.canvas = canvas\n div.appendChild(document.createElement('br'))\n //\n // off-screen image canvas\n //\n var canvas = document.createElement('canvas')\n mod.img = canvas\n //\n // view button\n //\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('view'))\n btn.addEventListener('click',function(){\n var win = window.open('')\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n })\n win.document.body.appendChild(btn)\n win.document.body.appendChild(document.createElement('br'))\n var canvas = document.createElement('canvas')\n canvas.width = mod.img.width\n canvas.height = mod.img.height\n win.document.body.appendChild(canvas)\n var ctx = canvas.getContext(\"2d\")\n ctx.drawImage(mod.img,0,0)\n })\n div.appendChild(btn)\n //\n // dpi\n //\n div.appendChild(document.createElement('br'))\n div.appendChild(document.createTextNode('dpi: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('change',function(){\n draw_image()\n })\n div.appendChild(input)\n mod.dpi = input\n div.appendChild(document.createTextNode(' (enter)'))\n //\n // units\n //\n div.appendChild(document.createElement('br'))\n div.appendChild(document.createTextNode('units: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('change',function(){\n draw_image()\n })\n div.appendChild(input)\n mod.unitstext = input\n div.appendChild(document.createTextNode(' (enter)'))\n //\n // size\n //\n div.appendChild(document.createElement('br'))\n var text = document.createTextNode('image size:')\n div.appendChild(text)\n div.appendChild(document.createElement('br'))\n var text = document.createTextNode('(pixels)')\n div.appendChild(text)\n mod.pixels = text\n div.appendChild(document.createElement('br'))\n var text = document.createTextNode('(inches)')\n div.appendChild(text)\n mod.inches = text\n div.appendChild(document.createElement('br'))\n var text = document.createTextNode('(mm)')\n div.appendChild(text)\n mod.mm = text\n }\n//\n// local functions\n//\n// get size\n//\nfunction get_size() {\n var i = mod.svg.indexOf(\"width\")\n if (i == -1) {\n var width = 1\n var height = 1\n var units = 90\n }\n else {\n var i1 = mod.svg.indexOf(\"\\\"\",i+1)\n var i2 = mod.svg.indexOf(\"\\\"\",i1+1)\n var width = mod.svg.substring(i1+1,i2)\n i = mod.svg.indexOf(\"height\")\n i1 = mod.svg.indexOf(\"\\\"\",i+1)\n i2 = mod.svg.indexOf(\"\\\"\",i1+1)\n var height = mod.svg.substring(i1+1,i2)\n ih = mod.svg.indexOf(\"height\")\n if (width.indexOf(\"px\") != -1) {\n width = width.slice(0,-2)\n height = height.slice(0,-2)\n var units = 90\n }\n else if (width.indexOf(\"mm\") != -1) {\n width = width.slice(0,-2)\n height = height.slice(0,-2)\n var units = 25.4\n }\n else if (width.indexOf(\"cm\") != -1) {\n width = width.slice(0,-2)\n height = height.slice(0,-2)\n var units = 2.54\n }\n else if (width.indexOf(\"in\") != -1) {\n width = width.slice(0,-2)\n height = height.slice(0,-2)\n var units = 1\n }\n else {\n var units = 90\n }\n }\n mod.width = parseFloat(width)\n mod.height = parseFloat(height)\n mod.units = units\n mod.unitstext.value = units\n }\n//\n// draw image\n//\nfunction draw_image() {\n var dpi = parseFloat(mod.dpi.value)\n var units = parseFloat(mod.unitstext.value)\n var width = parseInt(dpi*mod.width/units)\n var height = parseInt(dpi*mod.height/units)\n mod.pixels.nodeValue = width+' x '+height+\" (pixels)\"\n mod.inches.nodeValue = (width/dpi).toFixed(3)+' x '+(height/dpi).toFixed(3)+\" (inches)\"\n mod.mm.nodeValue = (25.4*width/dpi).toFixed(3)+' x '+(25.4*height/dpi).toFixed(3)+\" (mm)\"\n var src = \"data:image/svg+xml;base64,\"+window.btoa(mod.svg)\n var img = new Image()\n img.setAttribute(\"src\",src)\n img.onload = function() {\n if (width > height) {\n var x0 = 0\n var y0 = mod.canvas.height*.5*(1-height/width)\n var w = mod.canvas.width\n var h = mod.canvas.width*height/width\n }\n else {\n var x0 = mod.canvas.width*.5*(1-width/height)\n var y0 = 0\n var w = mod.canvas.height*width/height\n var h = mod.canvas.height\n }\n mod.img.width = width\n mod.img.height = height\n var ctx = mod.img.getContext(\"2d\")\n ctx.clearRect(0,0,width,height)\n ctx.drawImage(img,0,0,width,height)\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n ctx.drawImage(mod.img,x0,y0,w,h)\n outputs.image.event()\n outputs.imageInfo.event()\n }\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"25","left":"1131","inputs":{},"outputs":{}},"0.32045934706751433":{"definition":"//\r\n// Roland GX-24 vinyl cutter\r\n//\r\n// Neil Gershenfeld \r\n// (c) Massachusetts Institute of Technology 2016\r\n// \r\n// This work may be reproduced, modified, distributed, performed, and \r\n// displayed for any purpose, but must acknowledge the mods\r\n// project. Copyright is retained and must be preserved. The work is \r\n// provided as is; no warranty is provided, and users accept all \r\n// liability.\r\n//\r\n// closure\r\n//\r\n(function(){\r\n //\r\n // module globals\r\n //\r\n var mod = {}\r\n //\r\n // name\r\n //\r\n var name = 'Epilog Laser Engraver'\r\n //\r\n\r\n // Matrial type\r\n mod.materials = [\r\n {\r\n \"name\": \"cardboard\",\r\n \"outline\": {\r\n \"power\": 60,\r\n \"speed\": 30\r\n },\r\n \"halftone\": {\r\n \"power\": 15,\r\n \"speed\": 75\r\n }\r\n },\r\n {\r\n \"name\": \"acrylic\",\r\n \"outline\": {\r\n \"power\": 75,\r\n \"speed\": 75\r\n },\r\n \"halftone\": {\r\n \"power\": 25,\r\n \"speed\": 75\r\n }\r\n },\r\n {\r\n \"name\": \"wood\",\r\n \"outline\": {\r\n \"power\": 50,\r\n \"speed\": 75\r\n },\r\n \"halftone\": {\r\n \"power\": 20,\r\n \"speed\": 75\r\n }\r\n },\r\n {\r\n \"name\": \"mylar\",\r\n \"outline\": {\r\n \"power\": \"10\",\r\n \"speed\": \"75\"\r\n },\r\n \"halftone\": {\r\n \"power\": \"10\",\r\n \"speed\": \"75\"\r\n }\r\n }\r\n ]\r\n\r\n// initialization\r\n//\r\nvar init = function() {\r\n mod.power.value = 60\r\n mod.speed.value = 30\r\n mod.rate.value = 1300\r\n mod.x_origin.value = 5\r\n mod.y_origin.value = 5\r\n }\r\n//\r\n// inputs\r\n//\r\nvar inputs = {\r\n toolpath:{type:'object',\r\n event:function(evt){\r\n mod.name = evt.detail.name\r\n mod.path = evt.detail.path\r\n mod.dpi = evt.detail.dpi\r\n mod.width = evt.detail.width\r\n mod.height = evt.detail.height\r\n make_path()\r\n }}}\r\n//\r\n// outputs\r\n//\r\nvar outputs = {\r\n file:{type:'object',\r\n event:function(str){\r\n obj = {}\r\n obj.type = 'file'\r\n obj.name = mod.name+'.epi'\r\n obj.contents = str\r\n mods.output(mod, 'file', obj)\r\n console.log(str)\r\n }}}\r\n//\r\n// interface\r\n//\r\nvar interface = function(div){\r\n mod.div = div\r\n\r\n div.appendChild(document.createTextNode('matrial: '))\r\n var select = document.createElement(\"select\");\r\n div.appendChild(select);\r\n for(var i = 0; i < mod.materials.length; i++) {\r\n var opt = mod.materials[i].name;\r\n var el = document.createElement(\"option\");\r\n el.textContent = opt;\r\n el.value = opt;\r\n select.appendChild(el);\r\n }\r\n mod.select = select\r\n select.addEventListener(\"change\", function () {\r\n mod.materials.forEach(function(material) {\r\n if (material.name === mod.select.value) {\r\n if (mod.halftone) {\r\n mod.power.value = material.halftone.power\r\n mod.speed.value = material.halftone.speed\r\n } else {\r\n mod.power.value = material.outline.power\r\n mod.speed.value = material.outline.speed\r\n }\r\n }\r\n })\r\n })\r\n \r\n div.appendChild(document.createElement('br'))\r\n div.appendChild(document.createTextNode('autofocus: '))\r\n var input = document.createElement('input')\r\n input.type = 'checkbox'\r\n input.size = 6\r\n div.appendChild(input)\r\n mod.autofocus = input\r\n div.appendChild(document.createElement('br'))\r\n\r\n div.appendChild(document.createTextNode('power %: '))\r\n var input = document.createElement('input')\r\n input.type = 'text'\r\n input.size = 6\r\n div.appendChild(input)\r\n mod.power = input\r\n div.appendChild(document.createElement('br'))\r\n div.appendChild(document.createTextNode('speed (cm/s): '))\r\n var input = document.createElement('input')\r\n input.type = 'text'\r\n input.size = 6\r\n div.appendChild(input)\r\n mod.speed = input\r\n div.appendChild(document.createElement('br'))\r\n div.appendChild(document.createTextNode('rate (pps): '))\r\n var input = document.createElement('input')\r\n input.type = 'text'\r\n input.size = 6\r\n div.appendChild(input)\r\n mod.rate = input\r\n div.appendChild(document.createElement('br'))\r\n div.appendChild(document.createTextNode('origin (mm):'))\r\n div.appendChild(document.createElement('br'))\r\n div.appendChild(document.createTextNode('x: '))\r\n var input = document.createElement('input')\r\n input.type = 'text'\r\n input.size = 6\r\n div.appendChild(input)\r\n mod.x_origin = input\r\n div.appendChild(document.createTextNode('y: '))\r\n var input = document.createElement('input')\r\n input.type = 'text'\r\n input.size = 6\r\n div.appendChild(input)\r\n mod.y_origin = input\r\n div.appendChild(document.createElement('br'))\r\n var input = document.createElement('input')\r\n input.type = 'radio'\r\n input.name = mod.div.id+'origin'\r\n input.id = mod.div.id + 'topleft'\r\n input.checked = true\r\n div.appendChild(input)\r\n mod.topleft = input\r\n div.appendChild(document.createTextNode(' left \\u00A0\\u00A0 top \\u00A0\\u00A0 right '))\r\n var input = document.createElement('input')\r\n input.type = 'radio'\r\n input.name = mod.div.id+'origin'\r\n input.id = mod.div.id+'topright'\r\n div.appendChild(input)\r\n mod.topright = input\r\n div.appendChild(document.createElement('br'))\r\n var input = document.createElement('input')\r\n input.type = 'radio'\r\n input.name = mod.div.id+'origin'\r\n input.id = mod.div.id+'botleft'\r\n div.appendChild(input)\r\n mod.botleft = input\r\n div.appendChild(document.createTextNode(' left bottom right '))\r\n var input = document.createElement('input')\r\n input.type = 'radio'\r\n input.name = mod.div.id+'origin'\r\n input.id = mod.div.id+'botright'\r\n div.appendChild(input)\r\n mod.botright = input\r\n }\r\n//\r\n// local functions\r\n//\r\nfunction make_path() {\r\n var dx = 25.4*mod.width/mod.dpi\r\n var dy = 25.4*mod.height/mod.dpi\r\n var nx = mod.width\r\n var ny = mod.height\r\n\r\n var power = parseFloat(mod.power.value)\r\n var speed = parseFloat(mod.speed.value)\r\n var rate = parseFloat(mod.rate.value)\r\n var ox = parseFloat(mod.x_origin.value) / 25.4\r\n var oy = parseFloat(mod.y_origin.value) / 25.4\r\n var scale = 600.0 * dx / (nx - 1) /25.4 // 600 DPI\r\n\r\n if (mod.botleft.checked) {\r\n var xoffset = 600.0 * ox\r\n var yoffset = 600.0 * (oy - dy)\r\n } else if (mod.botright.checked) {\r\n var xoffset = 600.0 * (ox - dx)\r\n var yoffset = 600.0 * (oy - dy)\r\n } else if (mod.topleft.checked) {\r\n var xoffset = 600.0 * ox\r\n var yoffset = 600.0 * oy\r\n } else if (mod.topright.checked) {\r\n var xoffset = 600.0 * (ox - dx)\r\n var yoffset = 600.0 * oy\r\n }\r\n var str = \"\u001b%-12345X@PJL JOB NAME=\" + mod.name + \"\\r\\n\u001b\"\r\n str += \"E@PJL ENTER LANGUAGE=PCL\\r\\n\u001b\"\r\n if (mod.autofocus.checked)\r\n //\r\n // init with autofocus on\r\n //\r\n str += \"&y1A\u001b\"\r\n else\r\n // \r\n // init with autofocus off\r\n //\r\n str += \"&y0A\u001b\"\r\n str += \"&l0U\u001b&l0Z\u001b&u600D\u001b*p0X\u001b*p0Y\u001b*t600R\u001b*r0F\u001b&y50P\u001b&z50S\u001b*r6600T\u001b*r5100S\u001b*r1A\u001b*rC\u001b%1BIN;\"\r\n str += \"XR\" + rate + \";YP\" + power + \";ZS\" + speed + \";\\n\"\r\n //\r\n // loop over segments\r\n //\r\n for (var seg = 0; seg < mod.path.length; ++seg) {\r\n //\r\n // loop over points\r\n //\r\n x = xoffset + scale * mod.path[seg][0][0]\r\n y = yoffset + scale * (ny - mod.path[seg][0][1])\r\n if (x < 0) x = 0\r\n if (y < 0) y = 0\r\n str += \"PU\" + x.toFixed(0) + \",\" + y.toFixed(0) + \";\" // move up to start point\r\n for (var pt = 1; pt < mod.path[seg].length; ++pt) {\r\n x = xoffset + scale * mod.path[seg][pt][0]\r\n y = yoffset + scale * (ny - mod.path[seg][pt][1])\r\n if (x < 0) x = 0\r\n if (y < 0) y = 0\r\n str += \"PD\" + x.toFixed(0) + \",\" + y.toFixed(0) + \";\" // move down\r\n }\r\n str += \"\\n\"\r\n }\r\n str += \"\u001b%0B\u001b%1BPU\u001bE\u001b%-12345X@PJL EOJ \\r\\n\"\r\n //\r\n // end-of-file padding hack from Epilog print driver\r\n //\r\n for (var i = 0; i < 10000; ++i)\r\n str += \" \"\r\n\r\n outputs.file.event(str)\r\n }\r\n\r\n//\r\n// return values\r\n//\r\nreturn ({\r\n name:name,\r\n init:init,\r\n inputs:inputs,\r\n outputs:outputs,\r\n interface:interface\r\n })\r\n}())\r\n","top":"308","left":"722","inputs":{},"outputs":{}},"0.22789171876718206":{"definition":"//\r\n// print server module\r\n//\r\n// Neil Gershenfeld \r\n// (c) Massachusetts Institute of Technology 2017\r\n// \r\n// This work may be reproduced, modified, distributed, performed, and \r\n// displayed for any purpose, but must acknowledge the mods\r\n// project. Copyright is retained and must be preserved. The work is \r\n// provided as is; no warranty is provided, and users accept all \r\n// liability.\r\n//\r\n// closure\r\n//\r\n(function(){\r\n//\r\n// module globals\r\n//\r\nvar mod = {}\r\n//\r\n// name\r\n//\r\nvar name = 'WebSocket print'\r\n//\r\n// initialization\r\n//\r\nvar init = function() {\r\n mod.address.value = '127.0.0.1'\r\n mod.port.value = 1234\r\n mod.printers.value = 'Printer not found'\r\n mod.socket = null\r\n socket_open()\r\n }\r\n//\r\n// inputs\r\n//\r\nvar inputs = {\r\n file:{type:'',\r\n event:function(evt){\r\n if (evt.detail.type == 'file') {\r\n mod.job = evt.detail\r\n mod.label.nodeValue = 'send file to printer'\r\n mod.labelspan.style.fontWeight = 'bold'\r\n }\r\n else if (evt.detail.type == 'command') {\r\n mod.job = evt.detail\r\n mod.job.printer = mod.printers.value\r\n socket_send(JSON.stringify(mod.job))\r\n }\r\n }}}\r\n//\r\n// outputs\r\n//\r\nvar outputs = {\r\n }\r\n//\r\n// interface\r\n//\r\nvar interface = function(div){\r\n mod.div = div\r\n //\r\n // server\r\n //\r\n var a = document.createElement('a')\r\n a.href = './js/printserver.js'\r\n a.innerHTML = 'printserver:'\r\n a.target = '_blank'\r\n div.appendChild(a)\r\n div.appendChild(document.createElement('br'))\r\n div.appendChild(document.createTextNode('address: '))\r\n input = document.createElement('input')\r\n input.type = 'text'\r\n input.size = 10\r\n div.appendChild(input)\r\n mod.address = input\r\n div.appendChild(document.createElement('br'))\r\n div.appendChild(document.createTextNode('\\u00a0\\u00a0\\u00a0\\u00a0\\u00a0port: '))\r\n input = document.createElement('input')\r\n input.type = 'text'\r\n input.size = 10\r\n div.appendChild(input)\r\n mod.port = input\r\n div.appendChild(document.createElement('br'))\r\n div.appendChild(document.createTextNode('\\u00a0\\u00a0status: '))\r\n input = document.createElement('input')\r\n input.type = 'text'\r\n input.size = 10\r\n div.appendChild(input)\r\n mod.status = input\r\n div.appendChild(document.createElement('br'))\r\n //\r\n // open/close\r\n //\r\n var btn = document.createElement('button')\r\n btn.style.margin = 1\r\n btn.appendChild(document.createTextNode('open'))\r\n btn.addEventListener('click',function() {\r\n socket_open()\r\n })\r\n div.appendChild(btn)\r\n var btn = document.createElement('button')\r\n btn.style.margin = 1\r\n btn.appendChild(document.createTextNode('close'))\r\n btn.addEventListener('click',function() {\r\n socket_close()\r\n })\r\n div.appendChild(btn)\r\n div.appendChild(document.createElement('br'))\r\n //\r\n // printer\r\n //\r\n div.appendChild(document.createTextNode('printer:'))\r\n div.appendChild(document.createElement('br'))\r\n var select = document.createElement('select')\r\n select.setAttribute('style', 'width:150px');\r\n\t var el = document.createElement('option')\r\n el.textContent = 'Printer not found'\r\n el.value = 'Printer not found'\r\n select.appendChild(el)\r\n div.appendChild(select)\r\n mod.printers = select \r\n div.appendChild(document.createElement('br')) \r\n var btn = document.createElement('button')\r\n btn.style.padding = mods.ui.padding\r\n btn.style.margin = 1\r\n var span = document.createElement('span')\r\n var text = document.createTextNode('waiting for file')\r\n mod.label = text\r\n span.appendChild(text)\r\n mod.labelspan = span\r\n btn.appendChild(span)\r\n btn.addEventListener('click',function(){\r\n if (mod.socket == null) {\r\n mod.status.value = \"can't send, not open\"\r\n }\r\n else if (mod.label.nodeValue == 'send file to printer') {\r\n mod.job.printer = mod.printers.value\r\n socket_send(JSON.stringify(mod.job))\r\n mod.label.nodeValue = 'cancel'\r\n }\r\n else if (mod.label.nodeValue == 'cancel') {\r\n socket_send('cancel')\r\n }\r\n })\r\n div.appendChild(btn)\r\n }\r\n//\r\n// local functions\r\n//\r\nfunction socket_open() {\r\n var url = \"ws://\"+mod.address.value+':'+mod.port.value\r\n mod.socket = new WebSocket(url)\r\n mod.socket.onopen = function(event) {\r\n mod.status.value = \"socket opened\"\r\n }\r\n mod.socket.onerror = function(event) {\r\n mod.status.value = \"can not open socket\"\r\n mod.socket = null\r\n }\r\n mod.socket.onmessage = function(event) {\r\n mod.status.value = event.data\r\n if ((event.data == 'done') || (event.data == 'cancel')\r\n || (event.data.slice(0,5) == 'error')) {\r\n mod.label.nodeValue = 'waiting for file'\r\n mod.labelspan.style.fontWeight = 'normal'\r\n }\r\n else if (event.data[0] === '{'){\r\n var printerInfo = JSON.parse(event.data)\r\n var printerList = printerInfo['printerList']\r\n if (printerList) {\r\n while (mod.printers.hasChildNodes()) {\r\n mod.printers.removeChild(mod.printers.lastChild);\r\n }\r\n\r\n for(var i = 0; i < printerList.length; i++){\r\n var printer = printerList[i];\r\n var el = document.createElement('option')\r\n el.textContent = printer\r\n el.value = printer\r\n mod.printers.appendChild(el)\r\n }\r\n var defaultPrinter = printerInfo['default']\r\n if(defaultPrinter && defaultPrinter.length>0){\r\n mod.printers.value = defaultPrinter\r\n }\r\n }\r\n }\r\n }\r\n }\r\nfunction socket_close() {\r\n mod.socket.close()\r\n mod.status.value = \"socket closed\"\r\n mod.socket = null\r\n }\r\nfunction socket_send(msg) {\r\n if (mod.socket != null) {\r\n mod.status.value = \"send\"\r\n mod.socket.send(msg)\r\n }\r\n else {\r\n mod.status.value = \"can't send, not open\"\r\n }\r\n }\r\n//\r\n// return values\r\n//\r\nreturn ({\r\n name:name,\r\n init:init,\r\n inputs:inputs,\r\n outputs:outputs,\r\n interface:interface\r\n })\r\n}())\r\n","top":"767","left":"633","inputs":{},"outputs":{}},"0.6181712231712391":{"definition":"//\r\n// SWSelectFace module receives a selected face from Tools/FabLab Connect command of SolidWorks products\r\n//\r\n// Shawn Liu @ Dassault Systemes SolidWorks Corporation\r\n// (c) Massachusetts Institute of Technology 2017\r\n// \r\n// This work may be reproduced, modified, distributed, performed, and \r\n// displayed for any purpose, but must acknowledge the mods\r\n// provided as is; no warranty is provided, and users accept all \r\n// liability.\r\n//\r\n// closure\r\n//\r\n(function(){\r\n//\r\n// module globals\r\n//\r\nvar mod = {}\r\n//\r\n// name\r\n//\r\nvar name = 'SWSelectFace'\r\n//\r\n// initialization\r\n//\r\nvar init = function() {\r\n mod.address = getParameterByName('swIP') || '127.0.0.1'\r\n mod.port = getParameterByName('swPort') || '8787'\r\n mod.socket = 0\r\n mod.margin.value = 2 //2mm\r\n mod.includeInner.checked = true;\r\n socket_open()\r\n }\r\n//\r\n// inputs\r\n//\r\nvar inputs = {}\r\n//\r\n// outputs\r\n//\r\nvar outputs = {\r\n SVG:{type:'string',\r\n event:function(data){\r\n mods.output(mod,'SVG',data)}}}\r\n//\r\n// interface\r\n//\r\nvar interface = function(div){\r\n mod.div = div\r\n div.appendChild(document.createTextNode('server:'))\r\n div.appendChild(document.createElement('br'))\r\n div.appendChild(document.createTextNode('address: ' + getParameterByName('swIP')))\r\n div.appendChild(document.createElement('br'))\r\n div.appendChild(document.createTextNode('\\u00a0\\u00a0\\u00a0\\u00a0\\u00a0port: ' + getParameterByName('swPort')))\r\n div.appendChild(document.createElement('br'))\r\n div.appendChild(document.createTextNode('\\u00a0\\u00a0status: '))\r\n input = document.createElement('input')\r\n input.type = 'text'\r\n input.size = 12\r\n div.appendChild(input)\r\n mod.status = input\r\n div.appendChild(document.createElement('br'))\r\n var btn = document.createElement('button')\r\n btn.style.margin = 1\r\n btn.appendChild(document.createTextNode('open'))\r\n btn.addEventListener('click',function() {\r\n socket_open()\r\n })\r\n div.appendChild(btn)\r\n var btn = document.createElement('button')\r\n btn.style.margin = 1\r\n btn.appendChild(document.createTextNode('close'))\r\n btn.addEventListener('click',function() {\r\n socket_close()\r\n })\r\n div.appendChild(btn)\r\n div.appendChild(document.createElement('br'))\r\n div.appendChild(document.createTextNode('settings:'))\r\n div.appendChild(document.createElement('br'))\r\n div.appendChild(document.createTextNode('margin (mm): '))\r\n input = document.createElement('input')\r\n input.type = 'text'\r\n input.size = 6\r\n div.appendChild(input)\r\n mod.margin = input\r\n div.appendChild(document.createElement('br'))\r\n input = document.createElement('input')\r\n input.type = 'checkbox'\r\n input.size = 10\r\n div.appendChild(input)\r\n div.appendChild(document.createTextNode('include inner faces'))\r\n mod.includeInner = input\r\n div.appendChild(document.createElement('br'))\r\n var btn = document.createElement('button')\r\n btn.style.margin = 1\r\n btn.appendChild(document.createTextNode('Update'))\r\n btn.addEventListener('click', function () {\r\n update_settings()\r\n })\r\n div.appendChild(btn)\r\n }\r\n//\r\n// local functions\r\n//\r\n\r\nfunction getParameterByName(name, url) {\r\n if (!url) url = window.location.href\r\n name = name.replace(/[\\[\\]]/g, \"\\\\$&\")\r\n var regex = new RegExp(\"[?&]\" + name + \"(=([^&#]*)|&|#|$)\"),\r\n results = regex.exec(url)\r\n if (!results) return null\r\n if (!results[2]) return ''\r\n return decodeURIComponent(results[2].replace(/\\+/g, \" \"))\r\n}\r\n\r\nfunction update_settings() {\r\n var modcmd = new Object\r\n modcmd.modCmd = \"SetMargin\"\r\n modcmd.margin = Number(mod.margin.value) // mm\r\n socket_send(JSON.stringify(modcmd))\r\n var innerCmd = new Object\r\n innerCmd.modCmd = \"SetIncludeInner\"\r\n innerCmd.includeInner = mod.includeInner.checked\r\n socket_send(JSON.stringify(innerCmd))\r\n socket_send('{\"modCmd\":\"EnableSelectFaceNotify\",\"selectFaceNotify\":true}')\r\n}\r\n\r\nfunction socket_open() {\r\n var url = \"ws://\"+mod.address+':'+mod.port\r\n mod.socket = new WebSocket(url)\r\n mod.socket.onopen = function(event) {\r\n mod.status.value = \"opened\"\r\n var connect= {}\r\n connect.modCmd = 'connect'\r\n connect.owner = getParameterByName('swOwner')\r\n connect.id = getParameterByName('swID') \r\n socket_send(JSON.stringify(connect))\r\n update_settings()\r\n }\r\n mod.socket.onerror = function(event) {\r\n mod.status.value = \"can not open\"\r\n }\r\n mod.socket.onmessage = function(event) {\r\n mod.status.value = \"receive\"\r\n console.log('receive :' + event.data)\r\n var swData = JSON.parse(event.data)\r\n if (swData.swType === \"FaceSVG\") {\r\n outputs.SVG.event(swData.data)\r\n }\r\n }\r\n mod.socket.onclose = function (event) {\r\n mod.status.value = \"connection closed\"\r\n }\r\n }\r\nfunction socket_close() {\r\n mod.socket.close()\r\n mod.status.value = \"closed\"\r\n mod.socket = 0\r\n }\r\nfunction socket_send(msg) {\r\n if (mod.socket != 0) {\r\n mod.status.value = \"send\"\r\n mod.socket.send(msg)\r\n }\r\n else {\r\n mod.status.value = \"can't send, not open\"\r\n }\r\n }\r\n//\r\n// return values\r\n//\r\nreturn ({\r\n name:name,\r\n init:init,\r\n inputs:inputs,\r\n outputs:outputs,\r\n interface:interface\r\n })\r\n}())\r\n","top":"65","left":"336","inputs":{},"outputs":{}}},"links":["{\"source\":\"{\\\"id\\\":\\\"0.07944144280928633\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"image\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.8903773266711255\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"image\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.47383876715576023\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"distances\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.3135579179893032\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"distances\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.3135579179893032\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"image\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.07944144280928633\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"image\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.17844113591127098\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"offset\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.3135579179893032\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"offset\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.6488303557466412\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"image\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.47383876715576023\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"image\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.8903773266711255\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"image\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.749132408760488\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"image\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.749132408760488\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"path\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.17844113591127098\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"path\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.23700502437873816\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"image\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.6488303557466412\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"image\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.23700502437873816\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"imageInfo\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.17844113591127098\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"imageInfo\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.17844113591127098\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"toolpath\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.32045934706751433\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"toolpath\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.32045934706751433\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"file\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.22789171876718206\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"file\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.6181712231712391\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"SVG\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.23700502437873816\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"SVG\\\"}\"}"]}
\ No newline at end of file
diff --git a/programs/machines/Roland/mill/SRM-20/PCB sw b/programs/machines/Roland/mill/SRM-20/PCB sw
new file mode 100644
index 0000000..702dccf
--- /dev/null
+++ b/programs/machines/Roland/mill/SRM-20/PCB sw
@@ -0,0 +1 @@
+{"modules":{"0.47383876715576023":{"definition":"//\n// distance transform \n// assumes thresholded image, with zero intensity exterior\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2015,6\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the fab modules \n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'distance transform'\n//\n// initialization\n//\nvar init = function() {\n }\n//\n// inputs\n//\nvar inputs = {\n image:{type:'RGBA',\n event:function(evt){\n mod.input = evt.detail\n var ctx = mod.img.getContext(\"2d\")\n ctx.canvas.width = mod.input.width\n ctx.canvas.height = mod.input.height \n ctx.putImageData(mod.input,0,0)\n distance_transform()}}}\n//\n// outputs\n//\nvar outputs = {\n distances:{type:'F32',\n event:function(){\n mod.distances.height = mod.input.height\n mod.distances.width = mod.input.width\n mods.output(mod,'distances',mod.distances)}}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // on-screen drawing canvas\n //\n var canvas = document.createElement('canvas')\n canvas.width = mods.ui.canvas\n canvas.height = mods.ui.canvas\n canvas.style.backgroundColor = 'rgb(255,255,255)'\n div.appendChild(canvas)\n mod.canvas = canvas\n div.appendChild(document.createElement('br'))\n //\n // off-screen image canvas\n //\n var canvas = document.createElement('canvas')\n mod.img = canvas\n //\n // view button\n //\n div.appendChild(document.createElement('br'))\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('view'))\n btn.addEventListener('click',function(){\n var win = window.open('')\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n })\n win.document.body.appendChild(btn)\n win.document.body.appendChild(document.createElement('br'))\n var canvas = document.createElement('canvas')\n canvas.width = mod.img.width\n canvas.height = mod.img.height\n win.document.body.appendChild(canvas)\n var ctx = canvas.getContext(\"2d\")\n ctx.drawImage(mod.img,0,0)\n })\n div.appendChild(btn)\n }\n//\n// local functions\n//\n// distance transform function\n//\nfunction distance_transform() {\n var blob = new Blob(['('+worker.toString()+'())'])\n var url = window.URL.createObjectURL(blob)\n var webworker = new Worker(url)\n webworker.addEventListener('message',function(evt) {\n window.URL.revokeObjectURL(url)\n var h = mod.img.height\n var w = mod.img.width\n mod.distances = new Float32Array(evt.data.buffer)\n var imgbuf = new Uint8ClampedArray(h*w*4)\n var dmax = -Number.MAX_VALUE\n for (var y = 0; y < h; ++y) {\n for (var x = 0; x < w; ++x) {\n if (mod.distances[(h-1-y)*w+x] > dmax)\n dmax = mod.distances[(h-1-y)*w+x]\n }\n }\n var i\n for (var y = 0; y < h; ++y) {\n for (var x = 0; x < w; ++x) {\n i = 255*mod.distances[(h-1-y)*w+x]/dmax\n imgbuf[(h-1-y)*w*4+x*4+0] = i\n imgbuf[(h-1-y)*w*4+x*4+1] = i\n imgbuf[(h-1-y)*w*4+x*4+2] = i\n imgbuf[(h-1-y)*w*4+x*4+3] = 255\n }\n }\n var imgdata = new ImageData(imgbuf,w,h)\n var ctx = mod.img.getContext(\"2d\")\n ctx.putImageData(imgdata,0,0)\n if (w > h) {\n var x0 = 0\n var y0 = mod.canvas.height*.5*(1-h/w)\n var wd = mod.canvas.width\n var hd = mod.canvas.width*h/w\n }\n else {\n var x0 = mod.canvas.width*.5*(1-w/h)\n var y0 = 0\n var wd = mod.canvas.height*w/h\n var hd = mod.canvas.height\n }\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n ctx.drawImage(mod.img,x0,y0,wd,hd)\n webworker.terminate()\n outputs.distances.event()\n })\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n var ctx = mod.img.getContext(\"2d\")\n ctx.putImageData(mod.input,0,0)\n var img = ctx.getImageData(0,0,mod.img.width,mod.img.height)\n webworker.postMessage({\n height:mod.input.height,width:mod.input.width,\n buffer:img.data.buffer},\n [img.data.buffer])\n }\n//\n// distance transform worker\n//\nfunction worker() {\n self.addEventListener('message',function(evt) {\n var ny = evt.data.height\n var nx = evt.data.width\n var input = new Uint8ClampedArray(evt.data.buffer)\n var output = new Float32Array(nx*ny)\n function distance(g,x,y,i) {\n return ((y-i)*(y-i)+g[i][x]*g[i][x])\n }\n function intersection(g,x,y0,y1) {\n return ((g[y0][x]*g[y0][x]-g[y1][x]*g[y1][x]+y0*y0-y1*y1)/(2.0*(y0-y1)))\n }\n //\n // allocate arrays\n //\n var g = []\n for (var y = 0; y < ny; ++y)\n g[y] = new Uint32Array(nx)\n var h = []\n for (var y = 0; y < ny; ++y)\n h[y] = new Uint32Array(nx)\n var distances = []\n for (var y = 0; y < ny; ++y)\n distances[y] = new Uint32Array(nx)\n var starts = new Uint32Array(ny)\n var minimums = new Uint32Array(ny)\n var d\n //\n // column scan\n // \n for (var y = 0; y < ny; ++y) {\n //\n // right pass\n //\n var closest = -nx\n for (var x = 0; x < nx; ++x) {\n if (input[(ny-1-y)*nx*4+x*4+0] != 0) {\n g[y][x] = 0\n closest = x\n }\n else\n g[y][x] = (x-closest)\n }\n //\n // left pass\n //\n closest = 2*nx\n for (var x = (nx-1); x >= 0; --x) {\n if (input[(ny-1-y)*nx*4+x*4+0] != 0)\n closest = x\n else {\n d = (closest-x)\n if (d < g[y][x])\n g[y][x] = d\n }\n }\n }\n //\n // row scan\n //\n for (var x = 0; x < nx; ++x) {\n var segment = 0\n starts[0] = 0\n minimums[0] = 0\n //\n // down \n //\n for (var y = 1; y < ny; ++y) {\n while ((segment >= 0) &&\n (distance(g,x,starts[segment],minimums[segment]) > distance(g,x,starts[segment],y)))\n segment -= 1\n if (segment < 0) {\n segment = 0\n minimums[0] = y\n }\n else {\n newstart = 1+intersection(g,x,minimums[segment],y)\n if (newstart < ny) {\n segment += 1\n minimums[segment] = y\n starts[segment] = newstart\n }\n }\n }\n //\n // up \n //\n for (var y = (ny-1); y >= 0; --y) {\n d = Math.sqrt(distance(g,x,y,minimums[segment]))\n output[(ny-1-y)*nx+x] = d\n if (y == starts[segment])\n segment -= 1\n }\n }\n self.postMessage({buffer:output.buffer},[output.buffer])\n })\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"1122","left":"671","inputs":{},"outputs":{}},"0.07944144280928633":{"definition":"//\n// edge detect\n// green = interior, blue = exterior, red = boundary\n// assumes input is thresholded\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2015,6\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the fab modules \n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'edge detect'\n//\n// initialization\n//\nvar init = function() {\n }\n//\n// inputs\n//\nvar inputs = {\n image:{type:'RGBA',\n event:function(evt){\n mod.input = evt.detail\n var ctx = mod.img.getContext(\"2d\")\n ctx.canvas.width = mod.input.width\n ctx.canvas.height = mod.input.height \n ctx.putImageData(mod.input,0,0)\n edge_detect()}}}\n//\n// outputs\n//\nvar outputs = {\n image:{type:'RGBA',\n event:function(){\n var ctx = mod.img.getContext(\"2d\")\n var img = ctx.getImageData(0,0,mod.img.width,mod.img.height)\n mods.output(mod,'image',img)}}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // on-screen drawing canvas\n //\n var canvas = document.createElement('canvas')\n canvas.width = mods.ui.canvas\n canvas.height = mods.ui.canvas\n canvas.style.backgroundColor = 'rgb(255,255,255)'\n div.appendChild(canvas)\n mod.canvas = canvas\n div.appendChild(document.createElement('br'))\n //\n // off-screen image canvas\n //\n var canvas = document.createElement('canvas')\n mod.img = canvas\n //\n // view button\n //\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('view'))\n btn.addEventListener('click',function(){\n var win = window.open('')\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n })\n win.document.body.appendChild(btn)\n win.document.body.appendChild(document.createElement('br'))\n win.document.body.appendChild(document.createTextNode('green:interior, blue:exterior, red:boundary'))\n win.document.body.appendChild(document.createElement('br'))\n var canvas = document.createElement('canvas')\n canvas.width = mod.img.width\n canvas.height = mod.img.height\n win.document.body.appendChild(canvas)\n var ctx = canvas.getContext(\"2d\")\n ctx.drawImage(mod.img,0,0)\n })\n div.appendChild(btn)\n }\n//\n// local functions\n//\n// edge detect\n//\nfunction edge_detect() {\n var blob = new Blob(['('+worker.toString()+'())'])\n var url = window.URL.createObjectURL(blob)\n var webworker = new Worker(url)\n webworker.addEventListener('message',function(evt) {\n window.URL.revokeObjectURL(url)\n var h = mod.img.height\n var w = mod.img.width\n var buf = new Uint8ClampedArray(evt.data.buffer)\n var imgdata = new ImageData(buf,w,h)\n var ctx = mod.img.getContext(\"2d\")\n ctx.putImageData(imgdata,0,0)\n if (w > h) {\n var x0 = 0\n var y0 = mod.canvas.height*.5*(1-h/w)\n var wd = mod.canvas.width\n var hd = mod.canvas.width*h/w\n }\n else {\n var x0 = mod.canvas.width*.5*(1-w/h)\n var y0 = 0\n var wd = mod.canvas.height*w/h\n var hd = mod.canvas.height\n }\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n ctx.drawImage(mod.img,x0,y0,wd,hd)\n webworker.terminate()\n outputs.image.event()\n })\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n webworker.postMessage({worker:worker.toString(),\n height:mod.input.height,width:mod.input.width,\n buffer:mod.input.data.buffer},\n [mod.input.data.buffer])\n }\nfunction worker() {\n self.addEventListener('message',function(evt) {\n var h = evt.data.height\n var w = evt.data.width\n var input = new Uint8ClampedArray(evt.data.buffer)\n var output = new Uint8ClampedArray(h*w*4)\n var i00,i0m,i0p,im0,ip0,imm,imp,ipm,ipp,row,col\n //\n // find edges - interior\n //\n for (row = 1; row < (h-1); ++row) {\n for (col = 1; col < (w-1); ++col) {\n i00 = (input[(h-1-row)*w*4+col*4+0] \n +input[(h-1-row)*w*4+col*4+1] \n +input[(h-1-row)*w*4+col*4+2])\n i0p = (input[(h-1-row)*w*4+(col+1)*4+0] \n +input[(h-1-row)*w*4+(col+1)*4+1] \n +input[(h-1-row)*w*4+(col+1)*4+2])\n ip0 = (input[(h-2-row)*w*4+col*4+0] \n +input[(h-2-row)*w*4+col*4+1] \n +input[(h-2-row)*w*4+col*4+2])\n ipp = (input[(h-2-row)*w*4+(col+1)*4+0] \n +input[(h-2-row)*w*4+(col+1)*4+1] \n +input[(h-2-row)*w*4+(col+1)*4+2])\n i0m = (input[(h-1-row)*w*4+(col-1)*4+0] \n +input[(h-1-row)*w*4+(col-1)*4+1] \n +input[(h-1-row)*w*4+(col-1)*4+2])\n im0 = (input[(h-row)*w*4+col*4+0] \n +input[(h-row)*w*4+col*4+1] \n +input[(h-row)*w*4+col*4+2])\n imm = (input[(h-row)*w*4+(col-1)*4+0] \n +input[(h-row)*w*4+(col-1)*4+1] \n +input[(h-row)*w*4+(col-1)*4+2])\n imp = (input[(h-row)*w*4+(col+1)*4+0] \n +input[(h-row)*w*4+(col+1)*4+1] \n +input[(h-row)*w*4+(col+1)*4+2])\n ipm = (input[(h-2-row)*w*4+(col-1)*4+0] \n +input[(h-2-row)*w*4+(col-1)*4+1] \n +input[(h-2-row)*w*4+(col-1)*4+2])\n if ((i00 != i0p) || (i00 != ip0) || (i00 != ipp) \n || (i00 != i0m) || (i00 != im0) || (i00 != imm)\n || (i00 != imp) || (i00 != ipm)) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else if (i00 == 0) {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n }\n }\n //\n // left and right edges\n //\n for (row = 1; row < (h-1); ++row) {\n col = w-1\n i00 = (input[(h-1-row)*w*4+col*4+0] \n +input[(h-1-row)*w*4+col*4+1] \n +input[(h-1-row)*w*4+col*4+2])\n i0m = (input[(h-1-row)*w*4+(col-1)*4+0] \n +input[(h-1-row)*w*4+(col-1)*4+1] \n +input[(h-1-row)*w*4+(col-1)*4+2])\n imm = (input[(h-row)*w*4+(col-1)*4+0] \n +input[(h-row)*w*4+(col-1)*4+1] \n +input[(h-row)*w*4+(col-1)*4+2])\n ipm = (input[(h-2-row)*w*4+(col-1)*4+0] \n +input[(h-2-row)*w*4+(col-1)*4+1] \n +input[(h-2-row)*w*4+(col-1)*4+2])\n im0 = (input[(h-row)*w*4+col*4+0] \n +input[(h-row)*w*4+col*4+1] \n +input[(h-row)*w*4+col*4+2])\n ip0 = (input[(h-2-row)*w*4+col*4+0] \n +input[(h-2-row)*w*4+col*4+1] \n +input[(h-2-row)*w*4+col*4+2])\n if ((i00 != i0m) || (i00 != ip0) || (i00 != ipm) \n || (i00 != im0) || (i00 != imm)) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else if (i00 == 0) {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n col = 0\n i00 = (input[(h-1-row)*w*4+col*4+0] \n +input[(h-1-row)*w*4+col*4+1] \n +input[(h-1-row)*w*4+col*4+2])\n i0p = (input[(h-1-row)*w*4+(col+1)*4+0] \n +input[(h-1-row)*w*4+(col+1)*4+1] \n +input[(h-1-row)*w*4+(col+1)*4+2])\n imp = (input[(h-row)*w*4+(col+1)*4+0] \n +input[(h-row)*w*4+(col+1)*4+1] \n +input[(h-row)*w*4+(col+1)*4+2])\n ipp = (input[(h-2-row)*w*4+(col+1)*4+0] \n +input[(h-2-row)*w*4+(col+1)*4+1] \n +input[(h-2-row)*w*4+(col+1)*4+2])\n im0 = (input[(h-row)*w*4+col*4+0] \n +input[(h-row)*w*4+col*4+1] \n +input[(h-row)*w*4+col*4+2])\n ip0 = (input[(h-2-row)*w*4+col*4+0] \n +input[(h-2-row)*w*4+col*4+1] \n +input[(h-2-row)*w*4+col*4+2])\n if ((i00 != i0p) || (i00 != ip0) || (i00 != ipp) \n || (i00 != im0) || (i00 != imp)) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else if (i00 == 0) {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n }\n //\n // top and bottom edges\n //\n for (col = 1; col < (w-1); ++col) {\n row = h-1\n i00 = (input[(h-1-row)*w*4+col*4+0] \n +input[(h-1-row)*w*4+col*4+1] \n +input[(h-1-row)*w*4+col*4+2])\n i0m = (input[(h-1-row)*w*4+(col-1)*4+0] \n +input[(h-1-row)*w*4+(col-1)*4+1] \n +input[(h-1-row)*w*4+(col-1)*4+2])\n i0p = (input[(h-1-row)*w*4+(col+1)*4+0] \n +input[(h-1-row)*w*4+(col+1)*4+1] \n +input[(h-1-row)*w*4+(col+1)*4+2])\n imm = (input[(h-row)*w*4+(col-1)*4+0] \n +input[(h-row)*w*4+(col-1)*4+1] \n +input[(h-row)*w*4+(col-1)*4+2])\n im0 = (input[(h-row)*w*4+col*4+0] \n +input[(h-row)*w*4+col*4+1] \n +input[(h-row)*w*4+col*4+2])\n imp = (input[(h-row)*w*4+(col+1)*4+0] \n +input[(h-row)*w*4+(col+1)*4+1] \n +input[(h-row)*w*4+(col+1)*4+2])\n if ((i00 != i0m) || (i00 != i0p) || (i00 != imm) \n || (i00 != im0) || (i00 != imp)) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else if (i00 == 0) {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n row = 0\n i00 = (input[(h-1-row)*w*4+col*4+0] \n +input[(h-1-row)*w*4+col*4+1] \n +input[(h-1-row)*w*4+col*4+2])\n i0m = (input[(h-1-row)*w*4+(col-1)*4+0] \n +input[(h-1-row)*w*4+(col-1)*4+1] \n +input[(h-1-row)*w*4+(col-1)*4+2])\n i0p = (input[(h-1-row)*w*4+(col+1)*4+0] \n +input[(h-1-row)*w*4+(col+1)*4+1] \n +input[(h-1-row)*w*4+(col+1)*4+2])\n ipm = (input[(h-2-row)*w*4+(col-1)*4+0] \n +input[(h-2-row)*w*4+(col-1)*4+1] \n +input[(h-2-row)*w*4+(col-1)*4+2])\n ip0 = (input[(h-2-row)*w*4+col*4+0] \n +input[(h-2-row)*w*4+col*4+1] \n +input[(h-2-row)*w*4+col*4+2])\n ipp = (input[(h-2-row)*w*4+(col+1)*4+0] \n +input[(h-2-row)*w*4+(col+1)*4+1] \n +input[(h-2-row)*w*4+(col+1)*4+2])\n if ((i00 != i0m) || (i00 != i0p) || (i00 != ipm) \n || (i00 != ip0) || (i00 != ipp)) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else if (i00 == 0) {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n }\n //\n // corners\n //\n row = 0\n col = 0\n i00 = (input[(h-1-row)*w*4+col*4+0] \n +input[(h-1-row)*w*4+col*4+1] \n +input[(h-1-row)*w*4+col*4+2])\n i0p = (input[(h-1-row)*w*4+(col+1)*4+0] \n +input[(h-1-row)*w*4+(col+1)*4+1] \n +input[(h-1-row)*w*4+(col+1)*4+2])\n ip0 = (input[(h-2-row)*w*4+col*4+0] \n +input[(h-2-row)*w*4+col*4+1] \n +input[(h-2-row)*w*4+col*4+2])\n ipp = (input[(h-2-row)*w*4+(col+1)*4+0] \n +input[(h-2-row)*w*4+(col+1)*4+1] \n +input[(h-2-row)*w*4+(col+1)*4+2])\n if ((i00 != i0p) || (i00 != ip0) || (i00 != ipp)) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else if (i00 == 0) {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n row = 0\n col = w-1\n i00 = (input[(h-1-row)*w*4+col*4+0] \n +input[(h-1-row)*w*4+col*4+1] \n +input[(h-1-row)*w*4+col*4+2])\n i0m = (input[(h-1-row)*w*4+(col-1)*4+0] \n +input[(h-1-row)*w*4+(col-1)*4+1] \n +input[(h-1-row)*w*4+(col-1)*4+2])\n ip0 = (input[(h-2-row)*w*4+col*4+0] \n +input[(h-2-row)*w*4+col*4+1] \n +input[(h-2-row)*w*4+col*4+2])\n ipm = (input[(h-2-row)*w*4+(col-1)*4+0] \n +input[(h-2-row)*w*4+(col-1)*4+1] \n +input[(h-2-row)*w*4+(col-1)*4+2])\n if ((i00 != i0m) || (i00 != ip0) || (i00 != ipm)) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else if (i00 == 0) {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n row = h-1\n col = 0\n i00 = (input[(h-1-row)*w*4+col*4+0] \n +input[(h-1-row)*w*4+col*4+1] \n +input[(h-1-row)*w*4+col*4+2])\n i0p = (input[(h-1-row)*w*4+(col+1)*4+0] \n +input[(h-1-row)*w*4+(col+1)*4+1] \n +input[(h-1-row)*w*4+(col+1)*4+2])\n im0 = (input[(h-row)*w*4+col*4+0] \n +input[(h-row)*w*4+col*4+1] \n +input[(h-row)*w*4+col*4+2])\n imp = (input[(h-row)*w*4+(col+1)*4+0] \n +input[(h-row)*w*4+(col+1)*4+1] \n +input[(h-row)*w*4+(col+1)*4+2])\n if ((i00 != i0p) || (i00 != im0) || (i00 != imp)) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else if (i00 == 0) {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n row = h-1\n col = w-1\n i00 = (input[(h-1-row)*w*4+col*4+0] \n +input[(h-1-row)*w*4+col*4+1] \n +input[(h-1-row)*w*4+col*4+2])\n i0m = (input[(h-1-row)*w*4+(col-1)*4+0] \n +input[(h-1-row)*w*4+(col-1)*4+1] \n +input[(h-1-row)*w*4+(col-1)*4+2])\n im0 = (input[(h-row)*w*4+col*4+0] \n +input[(h-row)*w*4+col*4+1] \n +input[(h-row)*w*4+col*4+2])\n imm = (input[(h-row)*w*4+(col-1)*4+0] \n +input[(h-row)*w*4+(col-1)*4+1] \n +input[(h-row)*w*4+(col-1)*4+2])\n if ((i00 != i0m) || (i00 != im0) || (i00 != imm)) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else if (i00 == 0) {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n self.postMessage({buffer:output.buffer},[output.buffer])\n })\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"912","left":"1608","inputs":{},"outputs":{}},"0.8903773266711255":{"definition":"//\n// orient edges\n// input is green:interior, blue:exterior, red:boundary\n// output is red 128:north,64:south, green 128:east,64:west, blue 128:start,64:stop\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2016\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the fab modules \n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'orient edges'\n//\n// initialization\n//\nvar init = function() {\n }\n//\n// inputs\n//\nvar inputs = {\n image:{type:'RGBA',\n event:function(evt){\n mod.input = evt.detail\n var ctx = mod.img.getContext(\"2d\")\n ctx.canvas.width = mod.input.width\n ctx.canvas.height = mod.input.height \n ctx.putImageData(mod.input,0,0)\n var ctx = mod.display.getContext(\"2d\")\n ctx.canvas.width = mod.input.width\n ctx.canvas.height = mod.input.height \n orient_edges()\n }}}\n//\n// outputs\n//\nvar outputs = {\n image:{type:'RGBA',\n event:function(){\n var ctx = mod.img.getContext(\"2d\")\n var img = ctx.getImageData(0,0,mod.img.width,mod.img.height)\n mods.output(mod,'image',img)}}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // on-screen drawing canvas\n //\n var canvas = document.createElement('canvas')\n canvas.width = mods.ui.canvas\n canvas.height = mods.ui.canvas\n canvas.style.backgroundColor = 'rgb(255,255,255)'\n div.appendChild(canvas)\n mod.canvas = canvas\n div.appendChild(document.createElement('br'))\n //\n // off-screen image canvas\n //\n var canvas = document.createElement('canvas')\n mod.img = canvas\n //\n // off-screen display canvas\n //\n var canvas = document.createElement('canvas')\n mod.display = canvas\n //\n // view button\n //\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('view'))\n btn.addEventListener('click',function(){\n var win = window.open('')\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n })\n win.document.body.appendChild(btn)\n win.document.body.appendChild(document.createElement('br'))\n win.document.body.appendChild(document.createTextNode('red:north, dark red:south'))\n win.document.body.appendChild(document.createElement('br'))\n win.document.body.appendChild(document.createTextNode('green:east, dark green:west'))\n win.document.body.appendChild(document.createElement('br'))\n win.document.body.appendChild(document.createTextNode('blue:start, dark blue:stop'))\n win.document.body.appendChild(document.createElement('br'))\n var canvas = document.createElement('canvas')\n canvas.width = mod.img.width\n canvas.height = mod.img.height\n win.document.body.appendChild(canvas)\n var ctx = canvas.getContext(\"2d\")\n ctx.drawImage(mod.display,0,0)\n })\n div.appendChild(btn)\n }\n//\n// local functions\n//\n// orient edges\n//\nfunction orient_edges() {\n var blob = new Blob(['('+worker.toString()+'())'])\n var url = window.URL.createObjectURL(blob)\n var webworker = new Worker(url)\n webworker.addEventListener('message',function(evt) {\n window.URL.revokeObjectURL(url)\n var h = mod.img.height\n var w = mod.img.width\n var buf = new Uint8ClampedArray(evt.data.buffer)\n var imgdata = new ImageData(buf,w,h)\n var ctx = mod.img.getContext(\"2d\")\n ctx.putImageData(imgdata,0,0)\n var disp = new Uint8ClampedArray(evt.data.display)\n var dispdata = new ImageData(disp,w,h)\n var ctx = mod.display.getContext(\"2d\")\n ctx.putImageData(dispdata,0,0)\n if (w > h) {\n var x0 = 0\n var y0 = mod.canvas.height*.5*(1-h/w)\n var wd = mod.canvas.width\n var hd = mod.canvas.width*h/w\n }\n else {\n var x0 = mod.canvas.width*.5*(1-w/h)\n var y0 = 0\n var wd = mod.canvas.height*w/h\n var hd = mod.canvas.height\n }\n var w = mod.canvas.width\n var h = mod.canvas.height\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,w,h)\n ctx.drawImage(mod.display,x0,y0,wd,hd)\n webworker.terminate()\n outputs.image.event()\n })\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n webworker.postMessage({\n height:mod.input.height,width:mod.input.width,\n buffer:mod.input.data.buffer},\n [mod.input.data.buffer])\n }\nfunction worker() {\n self.addEventListener('message',function(evt) {\n var h = evt.data.height\n var w = evt.data.width\n var input = new Uint8ClampedArray(evt.data.buffer)\n var output = new Uint8ClampedArray(h*w*4)\n var row,col\n var boundary = 0\n var interior = 1\n var exterior = 2\n var alpha = 3\n var northsouth = 0\n var north = 128\n var south = 64\n var eastwest = 1\n var east = 128\n var west = 64\n var startstop = 2\n var start = 128\n var stop = 64\n //\n // orient body states\n //\n for (row = 1; row < (h-1); ++row) {\n for (col = 1; col < (w-1); ++col) {\n output[(h-1-row)*w*4+col*4+northsouth] = 0\n output[(h-1-row)*w*4+col*4+eastwest] = 0\n output[(h-1-row)*w*4+col*4+startstop] = 0\n output[(h-1-row)*w*4+col*4+alpha] = 255\n if (input[(h-1-(row))*w*4+(col)*4+boundary] != 0) {\n if ((input[(h-1-(row+1))*w*4+(col)*4+boundary] != 0)\n && ((input[(h-1-(row))*w*4+(col+1)*4+interior] != 0)\n || (input[(h-1-(row+1))*w*4+(col+1)*4+interior] != 0)))\n output[(h-1-row)*w*4+col*4+northsouth] |= north\n if ((input[(h-1-(row-1))*w*4+(col)*4+boundary] != 0)\n && ((input[(h-1-(row))*w*4+(col-1)*4+interior] != 0)\n || (input[(h-1-(row-1))*w*4+(col-1)*4+interior] != 0)))\n output[(h-1-row)*w*4+col*4+northsouth] |= south\n if ((input[(h-1-(row))*w*4+(col+1)*4+boundary] != 0)\n && ((input[(h-1-(row-1))*w*4+(col)*4+interior] != 0)\n || (input[(h-1-(row-1))*w*4+(col+1)*4+interior] != 0)))\n output[(h-1-row)*w*4+col*4+eastwest] |= east\n if ((input[(h-1-(row))*w*4+(col-1)*4+boundary] != 0)\n && ((input[(h-1-(row+1))*w*4+(col)*4+interior] != 0)\n || (input[(h-1-(row+1))*w*4+(col-1)*4+interior] != 0)))\n output[(h-1-row)*w*4+col*4+eastwest] |= west\n }\n }\n }\n //\n // orient edge states\n //\n for (col = 1; col < (w-1); ++col) {\n row = 0\n output[(h-1-row)*w*4+col*4+northsouth] = 0\n output[(h-1-row)*w*4+col*4+eastwest] = 0\n output[(h-1-row)*w*4+col*4+startstop] = 0\n output[(h-1-row)*w*4+col*4+alpha] = 255\n if (input[(h-1-(row))*w*4+(col)*4+boundary] != 0) {\n if ((input[(h-1-(row+1))*w*4+(col)*4+boundary] != 0)\n && (input[(h-1-(row))*w*4+(col+1)*4+interior] != 0)) {\n output[(h-1-row)*w*4+col*4+northsouth] |= north\n output[(h-1-row)*w*4+col*4+startstop] |= start\n }\n if (input[(h-1-(row))*w*4+(col-1)*4+interior] != 0)\n output[(h-1-row)*w*4+col*4+startstop] |= stop\n }\n row = h-1\n output[(h-1-row)*w*4+col*4+northsouth] = 0\n output[(h-1-row)*w*4+col*4+eastwest] = 0\n output[(h-1-row)*w*4+col*4+startstop] = 0\n output[(h-1-row)*w*4+col*4+alpha] = 255\n if (input[(h-1-(row))*w*4+(col)*4+boundary] != 0) {\n if (input[(h-1-(row))*w*4+(col+1)*4+interior] != 0)\n output[(h-1-row)*w*4+col*4+startstop] |= stop\n if ((input[(h-1-(row-1))*w*4+(col)*4+boundary] != 0)\n && (input[(h-1-(row))*w*4+(col-1)*4+interior] != 0)) {\n output[(h-1-row)*w*4+col*4+northsouth] |= south\n output[(h-1-row)*w*4+col*4+startstop] |= start\n }\n }\n }\n for (row = 1; row < (h-1); ++row) {\n col = 0\n output[(h-1-row)*w*4+col*4+northsouth] = 0\n output[(h-1-row)*w*4+col*4+eastwest] = 0\n output[(h-1-row)*w*4+col*4+startstop] = 0\n output[(h-1-row)*w*4+col*4+alpha] = 255\n if (input[(h-1-(row))*w*4+(col)*4+boundary] != 0) {\n if ((input[(h-1-(row))*w*4+(col+1)*4+boundary] != 0)\n && (input[(h-1-(row-1))*w*4+(col)*4+interior] != 0)) {\n output[(h-1-row)*w*4+col*4+eastwest] |= east\n output[(h-1-row)*w*4+col*4+startstop] |= start\n }\n if (input[(h-1-(row+1))*w*4+(col)*4+interior] != 0)\n output[(h-1-row)*w*4+col*4+startstop] |= stop\n }\n col = w-1\n output[(h-1-row)*w*4+col*4+northsouth] = 0\n output[(h-1-row)*w*4+col*4+eastwest] = 0\n output[(h-1-row)*w*4+col*4+startstop] = 0\n output[(h-1-row)*w*4+col*4+alpha] = 255\n if (input[(h-1-(row))*w*4+(col)*4+boundary] != 0) {\n if (input[(h-1-(row-1))*w*4+(col)*4+interior] != 0)\n output[(h-1-row)*w*4+col*4+startstop] |= stop\n if ((input[(h-1-(row))*w*4+(col-1)*4+boundary] != 0)\n && (input[(h-1-(row+1))*w*4+(col)*4+interior] != 0)) {\n output[(h-1-row)*w*4+col*4+eastwest] |= west\n output[(h-1-row)*w*4+col*4+startstop] |= start\n }\n }\n }\n //\n // orient corner states (todo)\n //\n row = 0\n col = 0\n output[(h-1-row)*w*4+col*4+northsouth] = 0\n output[(h-1-row)*w*4+col*4+eastwest] = 0\n output[(h-1-row)*w*4+col*4+startstop] = 0\n output[(h-1-row)*w*4+col*4+alpha] = 255\n row = h-1\n col = 0\n output[(h-1-row)*w*4+col*4+northsouth] = 0\n output[(h-1-row)*w*4+col*4+eastwest] = 0\n output[(h-1-row)*w*4+col*4+startstop] = 0\n output[(h-1-row)*w*4+col*4+alpha] = 255\n row = 0\n col = w-1\n output[(h-1-row)*w*4+col*4+northsouth] = 0\n output[(h-1-row)*w*4+col*4+eastwest] = 0\n output[(h-1-row)*w*4+col*4+startstop] = 0\n output[(h-1-row)*w*4+col*4+alpha] = 255\n row = h-1\n col = w-1\n output[(h-1-row)*w*4+col*4+northsouth] = 0\n output[(h-1-row)*w*4+col*4+eastwest] = 0\n output[(h-1-row)*w*4+col*4+startstop] = 0\n output[(h-1-row)*w*4+col*4+alpha] = 255\n //\n // invert background for display\n //\n var display = new Uint8ClampedArray(h*w*4)\n var r,g,b,i\n for (row = 0; row < h; ++row) {\n for (col = 0; col < w; ++col) {\n r = output[(h-1-row)*w*4+col*4+0]\n g = output[(h-1-row)*w*4+col*4+1]\n b = output[(h-1-row)*w*4+col*4+2]\n i = r+g+b\n if (i != 0) { \n display[(h-1-row)*w*4+col*4+0] = output[(h-1-row)*w*4+col*4+0]\n display[(h-1-row)*w*4+col*4+1] = output[(h-1-row)*w*4+col*4+1]\n display[(h-1-row)*w*4+col*4+2] = output[(h-1-row)*w*4+col*4+2]\n display[(h-1-row)*w*4+col*4+3] = output[(h-1-row)*w*4+col*4+3]\n }\n else {\n display[(h-1-row)*w*4+col*4+0] = 255\n display[(h-1-row)*w*4+col*4+1] = 255\n display[(h-1-row)*w*4+col*4+2] = 255\n display[(h-1-row)*w*4+col*4+3] = 255\n }\n }\n }\n //\n // return output\n //\n self.postMessage({buffer:output.buffer,display:display.buffer},[output.buffer,display.buffer])\n })\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"795","left":"2054","inputs":{},"outputs":{}},"0.3135579179893032":{"definition":"//\n// distance transform \n// assumes thresholded image, with zero intensity exterior\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2015,6\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the fab modules \n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'offset'\n//\n// initialization\n//\nvar init = function() {\n mod.offset.value = ''\n }\n//\n// inputs\n//\nvar inputs = {\n distances:{type:'F32',\n event:function(evt){\n mod.distances = evt.detail\n var h = mod.distances.height\n var w = mod.distances.width\n var ctx = mod.img.getContext(\"2d\")\n ctx.canvas.height = mod.distances.height \n ctx.canvas.width = mod.distances.width\n if (mod.offset.value != '')\n offset()\n }},\n offset:{type:'number',\n event:function(evt){\n mod.offset.value = evt.detail\n offset()}}}\n//\n// outputs\n//\nvar outputs = {\n image:{type:'RGBA',\n event:function(){\n var ctx = mod.img.getContext(\"2d\")\n var img = ctx.getImageData(0,0,mod.img.width,mod.img.height)\n mods.output(mod,'image',img)}}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // on-screen drawing canvas\n //\n var canvas = document.createElement('canvas')\n canvas.width = mods.ui.canvas\n canvas.height = mods.ui.canvas\n canvas.style.backgroundColor = 'rgb(255,255,255)'\n div.appendChild(canvas)\n mod.canvas = canvas\n div.appendChild(document.createElement('br'))\n //\n // off-screen image canvas\n //\n var canvas = document.createElement('canvas')\n mod.img = canvas\n //\n // offset value\n //\n div.appendChild(document.createTextNode('offset (pixels): '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('change',function(){\n offset()\n })\n div.appendChild(input)\n mod.offset = input\n //\n // view button\n //\n div.appendChild(document.createElement('br'))\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('view'))\n btn.addEventListener('click',function(){\n var win = window.open('')\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n })\n win.document.body.appendChild(btn)\n win.document.body.appendChild(document.createElement('br'))\n var canvas = document.createElement('canvas')\n canvas.width = mod.img.width\n canvas.height = mod.img.height\n win.document.body.appendChild(canvas)\n var ctx = canvas.getContext(\"2d\")\n ctx.drawImage(mod.img,0,0)\n })\n div.appendChild(btn)\n }\n//\n// local functions\n//\n// offset\n//\nfunction offset() {\n var blob = new Blob(['('+worker.toString()+'())'])\n var url = window.URL.createObjectURL(blob)\n var webworker = new Worker(url)\n webworker.addEventListener('message',function(evt) {\n window.URL.revokeObjectURL(url)\n var h = mod.distances.height\n var w = mod.distances.width\n var buf = new Uint8ClampedArray(evt.data.buffer)\n var imgdata = new ImageData(buf,w,h)\n var ctx = mod.img.getContext(\"2d\")\n ctx.putImageData(imgdata,0,0)\n if (w > h) {\n var x0 = 0\n var y0 = mod.canvas.height*.5*(1-h/w)\n var wd = mod.canvas.width\n var hd = mod.canvas.width*h/w\n }\n else {\n var x0 = mod.canvas.width*.5*(1-w/h)\n var y0 = 0\n var wd = mod.canvas.height*w/h\n var hd = mod.canvas.height\n }\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n ctx.drawImage(mod.img,x0,y0,wd,hd)\n webworker.terminate()\n outputs.image.event()\n })\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n var offset = parseFloat(mod.offset.value)\n webworker.postMessage({\n height:mod.distances.height,width:mod.distances.width,\n offset:offset,buffer:mod.distances.buffer})\n }\n//\n// offset worker\n//\nfunction worker() {\n self.addEventListener('message',function(evt) {\n var h = evt.data.height\n var w = evt.data.width\n var offset = evt.data.offset\n var input = new Float32Array(evt.data.buffer)\n var output = new Uint8ClampedArray(4*h*w)\n for (var row = 0; row < h; ++row) {\n for (var col = 0; col < w; ++col) {\n if (input[(h-1-row)*w+col] <= offset) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n }\n }\n self.postMessage({buffer:output.buffer},[output.buffer])\n })\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"1009","left":"1192","inputs":{},"outputs":{}},"0.6488303557466412":{"definition":"//\n// image threshold\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2015,6\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the fab modules \n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'image threshold'\n//\n// initialization\n//\nvar init = function() {\n mod.threshold.value = 0.5\n }\n//\n// inputs\n//\nvar inputs = {\n image:{type:'RGBA',\n event:function(evt){\n mod.input = evt.detail\n var ctx = mod.img.getContext(\"2d\")\n ctx.canvas.width = mod.input.width\n ctx.canvas.height = mod.input.height \n ctx.putImageData(mod.input,0,0)\n threshold_image()}}}\n//\n// outputs\n//\nvar outputs = {\n image:{type:'RGBA',\n event:function(){\n var ctx = mod.img.getContext(\"2d\")\n var img = ctx.getImageData(0,0,mod.img.width,mod.img.height)\n mods.output(mod,'image',img)}}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // on-screen drawing canvas\n //\n var canvas = document.createElement('canvas')\n canvas.width = mods.ui.canvas\n canvas.height = mods.ui.canvas\n canvas.style.backgroundColor = 'rgb(255,255,255)'\n div.appendChild(canvas)\n mod.canvas = canvas\n div.appendChild(document.createElement('br'))\n //\n // off-screen image canvas\n //\n var canvas = document.createElement('canvas')\n mod.img = canvas\n //\n // threshold value\n //\n div.appendChild(document.createTextNode('threshold (0-1): '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('change',function(){\n threshold_image()\n })\n div.appendChild(input)\n mod.threshold = input\n div.appendChild(document.createElement('br'))\n //\n // view button\n //\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('view'))\n btn.addEventListener('click',function(){\n var win = window.open('')\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n })\n win.document.body.appendChild(btn)\n win.document.body.appendChild(document.createElement('br'))\n var canvas = document.createElement('canvas')\n canvas.width = mod.img.width\n canvas.height = mod.img.height\n win.document.body.appendChild(canvas)\n var ctx = canvas.getContext(\"2d\")\n ctx.drawImage(mod.img,0,0)\n })\n div.appendChild(btn)\n }\n//\n// local functions\n//\n// threshold image\n//\nfunction threshold_image() {\n var blob = new Blob(['('+worker.toString()+'())'])\n var url = window.URL.createObjectURL(blob)\n var webworker = new Worker(url)\n webworker.addEventListener('message',function(evt) {\n window.URL.revokeObjectURL(url)\n var h = mod.img.height\n var w = mod.img.width\n var buf = new Uint8ClampedArray(evt.data.buffer)\n var imgdata = new ImageData(buf,w,h)\n var ctx = mod.img.getContext(\"2d\")\n ctx.putImageData(imgdata,0,0)\n if (w > h) {\n var x0 = 0\n var y0 = mod.canvas.height*.5*(1-h/w)\n var wd = mod.canvas.width\n var hd = mod.canvas.width*h/w\n }\n else {\n var x0 = mod.canvas.width*.5*(1-w/h)\n var y0 = 0\n var wd = mod.canvas.height*w/h\n var hd = mod.canvas.height\n }\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n ctx.drawImage(mod.img,x0,y0,wd,hd)\n webworker.terminate()\n outputs.image.event()\n })\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n var t = parseFloat(mod.threshold.value)\n var ctx = mod.img.getContext(\"2d\")\n ctx.putImageData(mod.input,0,0)\n var img = ctx.getImageData(0,0,mod.img.width,mod.img.height)\n webworker.postMessage({\n height:mod.input.height,width:mod.input.width,threshold:t,\n buffer:img.data.buffer},\n [img.data.buffer])\n }\nfunction worker() {\n self.addEventListener('message',function(evt) {\n var h = evt.data.height\n var w = evt.data.width\n var t = evt.data.threshold\n var buf = new Uint8ClampedArray(evt.data.buffer)\n var r,g,b,a,i\n for (var row = 0; row < h; ++row) {\n for (var col = 0; col < w; ++col) {\n r = buf[(h-1-row)*w*4+col*4+0] \n g = buf[(h-1-row)*w*4+col*4+1] \n b = buf[(h-1-row)*w*4+col*4+2] \n a = buf[(h-1-row)*w*4+col*4+3] \n i = (r+g+b)/(3*255)\n if (a == 0)\n val = 255\n else if (i > t)\n var val = 255\n else\n var val = 0\n buf[(h-1-row)*w*4+col*4+0] = val\n buf[(h-1-row)*w*4+col*4+1] = val\n buf[(h-1-row)*w*4+col*4+2] = val\n buf[(h-1-row)*w*4+col*4+3] = 255\n }\n }\n self.postMessage({buffer:buf.buffer},[buf.buffer])\n })\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"1215","left":"207","inputs":{},"outputs":{}},"0.2892270043957246":{"definition":"//\n// view toolpath\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2016\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the mods\n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// todo:\n// erase and update new path\n// show depth info\n// show size\n// calculate camera far\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'view toolpath'\n//\n// initialization\n//\nvar init = function() {\n }\n//\n// inputs\n//\nvar inputs = {\n toolpath:{type:'object',\n event:function(evt){\n mod.path = evt.detail.path\n mod.name = evt.detail.name\n mod.dpi = evt.detail.dpi\n mod.width = evt.detail.width\n mod.height = evt.detail.height\n mod.depth = evt.detail.depth\n show_path_info()\n show_path()\n outputs.toolpath.event()\n }}}\n//\n// outputs\n//\nvar outputs = {\n toolpath:{type:'object',\n event:function(){\n cmd = {}\n cmd.path = mod.path\n cmd.name = mod.name\n cmd.dpi = mod.dpi\n cmd.width = mod.width\n cmd.height = mod.height\n mods.output(mod,'toolpath',cmd)\n }}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // info\n //\n var text = document.createTextNode('name: ')\n div.appendChild(text)\n mod.nametext = text\n div.appendChild(document.createElement('br'))\n var text = document.createTextNode('(mm)')\n div.appendChild(text)\n mod.mmtext = text\n div.appendChild(document.createElement('br'))\n var text = document.createTextNode('(in)')\n div.appendChild(text)\n mod.intext = text\n //\n // view\n // \n div.appendChild(document.createElement('br')) \n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n var span = document.createElement('span')\n var text = document.createTextNode('view')\n span.appendChild(text)\n btn.appendChild(span)\n btn.addEventListener('click',function(){\n open_view_window()\n })\n div.appendChild(btn)\n }\n//\n// local functions\n//\n// show_path_info\n//\nfunction show_path_info() {\n mod.nametext.nodeValue = 'name: '+mod.name\n var width = (25.4*mod.width/mod.dpi).toFixed(3)\n var height = (25.4*mod.height/mod.dpi).toFixed(3)\n var depth = (25.4*mod.depth/mod.dpi).toFixed(3)\n if (mod.depth == undefined)\n mod.mmtext.nodeValue = width+' x '+height+' (mm)'\n else\n mod.mmtext.nodeValue = width+' x '+height+' x '+depth+' (mm)'\n var width = (mod.width/mod.dpi).toFixed(3)\n var height = (mod.height/mod.dpi).toFixed(3)\n var depth = (mod.depth/mod.dpi).toFixed(3)\n if (mod.depth == undefined)\n mod.intext.nodeValue = width+' x '+height+' (in)'\n else\n mod.intext.nodeValue = width+' x '+height+' x '+depth+' (in)'\n mods.fit(mod.div)\n }\n//\n// show_path\n//\nfunction show_path() {\n var scene = mod.scene\n var camera = mod.camera\n var renderer = mod.renderer\n //\n // check if view window open\n //\n if (mod.win == undefined) {\n open_view_window()\n return\n }\n //\n // check for path\n //\n if (mod.path == undefined)\n return\n //\n // clear scene, leave camera\n //\n var length = scene.children.length\n for (var c = (length-1); c > 1; --c) {\n scene.remove(scene.children[c])\n }\n //\n // fit camera\n //\n mod.thetaxy = 0\n mod.thetaz = 0\n mod.r = mod.height/2\n mod.x0 = mod.width/2\n mod.y0 = mod.height/2\n camera.position.set(mod.x0,mod.y0,mod.r)\n camera.up = new THREE.Vector3(0,1,0)\n camera.lookAt(new THREE.Vector3(mod.x0,mod.y0,0))\n camera.updateProjectionMatrix()\n //\n // draw segments\n //\n var arrow_size = 1+mod.width/200\n var path = mod.path\n for (var segment = 0; segment < path.length; ++segment) {\n if (segment > 0)\n add_arrow(path[segment-1][path[segment-1].length-1],path[segment][0],0xff0000,arrow_size) \n for (var point = 1; point < path[segment].length; ++point) {\n add_arrow(path[segment][point-1],path[segment][point],0x0000ff,arrow_size)\n }\n }\n //\n // add axes\n //\n var length = mod.height/10\n add_arrow([0,0,0],[length,0,0],0xff0000,arrow_size)\n add_arrow([0,0,0],[0,length,0],0x00ff00,arrow_size)\n add_arrow([0,0,0],[0,0,length],0x0000ff,arrow_size)\n //\n // render\n //\n update()\n //\n // add_arrow\n //\n function add_arrow(start,stop,color,size) {\n var origin = new THREE.Vector3().fromArray(start)\n if (mod.depth == undefined)\n origin.z = 0\n var end = new THREE.Vector3().fromArray(stop)\n if (mod.depth == undefined)\n end.z = 0\n var length = new THREE.Vector3().subVectors(end,origin).length()\n if (length <= size) {\n add_line(origin,end,color)\n //length = 1.1*size\n return\n }\n var direction = new THREE.Vector3().subVectors(end,origin).normalize()\n var arrow = new THREE.ArrowHelper(direction,origin,length,color,size,size)\n scene.add(arrow)\n }\n //\n // add_line\n //\n function add_line(start,stop,colorhex) {\n var geometry = new THREE.Geometry()\n geometry.vertices.push(start,stop)\n var material = new THREE.LineBasicMaterial({color:colorhex})\n var line = new THREE.Line(geometry,material)\n scene.add(line)\n }\n //\n // update\n //\n function update() {\n\t renderer.render(scene,camera)\n }\n }\n//\n// open_view_window\n//\nfunction open_view_window() {\n //\n // globals\n //\n var container,scene,camera,renderer,win,controls\n //\n // open the window\n //\n open_window()\n //\n // open_window\n //\n function open_window() {\n //\n // open window\n //\n win = window.open('')\n mod.win = win\n //\n // load three.js\n //\n var script = document.createElement('script')\n script.type = 'text/javascript'\n script.onload = init_window\n script.src = 'js/three.js/three.min.js'\n mod.div.appendChild(script)\n }\n //\n // init_window\n //\n function init_window() {\n //\n // close button\n //\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n mod.win = undefined\n })\n win.document.body.appendChild(btn)\n //\n // label text\n //\n var text = win.document.createTextNode(' left: pan, right: rotate, scroll: zoom')\n win.document.body.appendChild(text)\n //\n // GL container\n //\n win.document.body.appendChild(document.createElement('br')) \n container = win.document.createElement('div')\n container.style.overflow = 'hidden'\n win.document.body.appendChild(container)\n //\n // event handlers\n //\n container.addEventListener('contextmenu',context_menu)\n container.addEventListener('mousedown',mouse_down)\n container.addEventListener('mouseup',mouse_up)\n container.addEventListener('mousemove',mouse_move)\n container.addEventListener('wheel',mouse_wheel)\n //\n // add scene\n //\n\t scene = new THREE.Scene()\n\t mod.scene = scene\n\t var width = win.innerWidth\n\t var height = win.innerHeight\n\t var aspect = width/height\n\t var near = 0.1\n\t var far = 1000000\n\t camera = new THREE.PerspectiveCamera(90,aspect,near,far)\n\t mod.camera = camera\n\t scene.add(camera)\n\t //\n\t // add renderer\n\t //\n renderer = new THREE.WebGLRenderer({antialias:true})\n mod.renderer = renderer\n renderer.setClearColor(0xffffff)\n\t renderer.setSize(width,height)\n\t container.appendChild(renderer.domElement)\n //\n // show the path if available\n //\n show_path()\n }\n //\n // context_menu\n //\n function context_menu(evt) {\n evt.preventDefault()\n evt.stopPropagation()\n return (false)\n }\n //\n // mouse_down\n //\n function mouse_down(evt) {\n evt.preventDefault()\n evt.stopPropagation()\n mod.button = evt.button\n mod.x = evt.clientX\n mod.y = evt.clientY\n }\n //\n // mouse_up\n //\n function mouse_up(evt) {\n mod.button = undefined\n mod.x = evt.clientX\n mod.y = evt.clientY\n }\n //\n // mouse_move\n //\n function mouse_move(evt) {\n evt.preventDefault()\n evt.stopPropagation()\n var dx = evt.clientX-mod.x\n var dy = evt.clientY-mod.y\n mod.x = evt.clientX\n mod.y = evt.clientY\n if (mod.button == 0) {\n mod.x0 += \n Math.sin(mod.thetaz)*mod.height*dy/win.innerHeight\n -Math.cos(mod.thetaz)*mod.width*dx/win.innerWidth\n mod.y0 += \n Math.cos(mod.thetaz)*mod.height*dy/win.innerHeight\n +Math.sin(mod.thetaz)*mod.width*dx/win.innerWidth\n camera.position.x = mod.x0+Math.sin(mod.thetaz)*mod.r*Math.sin(mod.thetaxy)\n camera.position.y = mod.y0+Math.cos(mod.thetaz)*mod.r*Math.sin(mod.thetaxy)\n camera.position.z = mod.r*Math.cos(mod.thetaxy)\n camera.position.z = mod.r*Math.cos(mod.thetaxy)\n\t camera.up = new THREE.Vector3(Math.sin(mod.thetaz),Math.cos(mod.thetaz),0)\n\t camera.lookAt(new THREE.Vector3(mod.x0,mod.y0,0))\n camera.updateProjectionMatrix()\n\t renderer.render(scene,camera)\n\t }\n else if (mod.button == 2) {\n mod.thetaxy += dy/win.innerHeight\n mod.thetaz += dx/win.innerWidth\n camera.position.x = mod.x0+Math.sin(mod.thetaz)*mod.r*Math.sin(mod.thetaxy)\n camera.position.y = mod.y0+Math.cos(mod.thetaz)*mod.r*Math.sin(mod.thetaxy)\n camera.position.z = mod.r*Math.cos(mod.thetaxy)\n\t camera.up = new THREE.Vector3(Math.sin(mod.thetaz),Math.cos(mod.thetaz),0)\n\t camera.lookAt(new THREE.Vector3(mod.x0,mod.y0,0))\n camera.updateProjectionMatrix()\n\t renderer.render(scene,camera)\n\t }\n }\n //\n // mouse_wheel\n //\n function mouse_wheel(evt) {\n evt.preventDefault()\n evt.stopPropagation()\n var dy = evt.deltaY/win.innerHeight\n mod.r += mod.height*dy\n camera.position.x = mod.x0+Math.sin(mod.thetaz)*mod.r*Math.sin(mod.thetaxy)\n camera.position.y = mod.y0+Math.cos(mod.thetaz)*mod.r*Math.sin(mod.thetaxy)\n camera.position.z = mod.r*Math.cos(mod.thetaxy)\n\t camera.lookAt(new THREE.Vector3(mod.x0,mod.y0,0))\n camera.updateProjectionMatrix()\n\t renderer.render(scene,camera)\n }\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"774","left":"889","inputs":{},"outputs":{}},"0.2579125312478153":{"definition":"//\n// set object\n//\n// Neil Gershenfeld\n// (c) Massachusetts Institute of Technology 2016\n//\n// This work may be reproduced, modified, distributed, performed, and\n// displayed for any purpose, but must acknowledge the mods\n// project. Copyright is retained and must be preserved. The work is\n// provided as is; no warranty is provided, and users accept all\n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'set PCB defaults'\n//\n// initialization\n//\nvar init = function() {\n add_outputs(2,4)\n var s = 0\n var v = 0\n mod.labels[s].nodeValue = 'mill traces (1/64)'\n mod.texts[s][v].nodeValue = 'tool diameter (in)'\n mod.inputs[s][v].value = '0.0156'\n v += 1\n mod.texts[s][v].nodeValue = 'cut depth (in)'\n mod.inputs[s][v].value = '0.004'\n v += 1\n mod.texts[s][v].nodeValue = 'max depth (in)'\n mod.inputs[s][v].value = '0.004'\n v += 1\n mod.texts[s][v].nodeValue = 'offset number'\n mod.inputs[s][v].value = '4'\n s += 1\n v = 0\n mod.labels[s].nodeValue = 'mill outline (1/32)'\n mod.texts[s][v].nodeValue = 'tool diameter (in)'\n mod.inputs[s][v].value = '0.0312'\n v += 1\n mod.texts[s][v].nodeValue = 'cut depth (in)'\n mod.inputs[s][v].value = '0.024'\n v += 1\n mod.texts[s][v].nodeValue = 'max depth (in)'\n mod.inputs[s][v].value = '0.072'\n v += 1\n mod.texts[s][v].nodeValue = 'offset number'\n mod.inputs[s][v].value = '1'\n }\n//\n// inputs\n//\nvar inputs = {}\n//\n// outputs\n//\nvar outputs = {\n settings:{type:'object',\n event:function(){\n mods.output(mod,'settings',mod.output)\n }\n }\n }\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n }\n//\n// local functions\n//\nfunction add_outputs(settings,variables) {\n mod.labels = []\n mod.spans = []\n mod.texts = []\n mod.inputs = []\n for (var s = 0; s < settings; ++s) {\n var texts = []\n var inputs = []\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n var span = document.createElement('span')\n var text = document.createTextNode('')\n mod.labels.push(text)\n span.appendChild(text)\n mod.spans.push(span)\n btn.appendChild(span)\n var f = function(s) { // nest function to pass s to event listener\n btn.addEventListener('click',function() {\n mod.output = {}\n for (var v = 0; v < mod.texts[s].length; ++v)\n mod.output[mod.texts[s][v].nodeValue] = mod.inputs[s][v].value\n outputs.settings.event()\n for (var i = 0; i < mod.spans.length; ++i)\n mod.spans[i].style.fontWeight = 'normal'\n mod.spans[s].style.fontWeight = 'bold'\n })\n }(s)\n mod.div.appendChild(btn)\n mod.div.appendChild(document.createElement('br'))\n for (var v = 0; v < variables; ++v) {\n var text = document.createTextNode('')\n texts.push(text)\n mod.div.appendChild(text)\n mod.div.appendChild(document.createTextNode(': '))\n input = document.createElement('input')\n input.type = 'text'\n input.size = 10\n inputs.push(input)\n mod.div.appendChild(input)\n mod.div.appendChild(document.createElement('br'))\n }\n mod.texts.push(texts)\n mod.inputs.push(inputs)\n }\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"182","left":"470","inputs":{},"outputs":{}},"0.9557599338778935":{"definition":"//\n// mill raster 2D\n//\n// Neil Gershenfeld\n// (c) Massachusetts Institute of Technology 2016\n//\n// This work may be reproduced, modified, distributed, performed, and\n// displayed for any purpose, but must acknowledge the mods\n// project. Copyright is retained and must be preserved. The work is\n// provided as is; no warranty is provided, and users accept all\n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'mill raster 2D'\n//\n// initialization\n//\nvar init = function() {\n mod.dia_in.value = 0.0156\n mod.dia_mm.value = 25.4*parseFloat(mod.dia_in.value)\n mod.cut_in.value = 0.004\n mod.cut_mm.value = 25.4*parseFloat(mod.cut_in.value)\n mod.max_in.value = 0.004\n mod.max_mm.value = 25.4*parseFloat(mod.max_in.value)\n mod.number.value = 4\n mod.stepover.value = 0.5\n mod.merge.value = 1\n mod.sort.checked = true\n }\n//\n// inputs\n//\nvar inputs = {\n imageInfo:{type:'object',\n event:function(evt){\n mod.name = evt.detail.name\n mod.dpi = evt.detail.dpi\n mod.width = evt.detail.width\n mod.height = evt.detail.height\n var ctx = mod.img.getContext(\"2d\")\n ctx.canvas.width = mod.width\n ctx.canvas.height = mod.height\n }},\n path:{type:'array',\n event:function(evt){\n if (mod.label.nodeValue == 'calculating') {\n draw_path(evt.detail)\n accumulate_path(evt.detail)\n mod.offsetCount += 1\n if ((mod.offsetCount != parseInt(mod.number.value)) && (evt.detail.length > 0)) {\n mod.offset += parseFloat(mod.stepover.value)\n outputs.offset.event()\n }\n else {\n mod.label.nodeValue = 'calculate'\n mod.labelspan.style.fontWeight = 'normal'\n merge_path()\n clear_path()\n draw_path(mod.path)\n draw_connections()\n add_depth()\n outputs.toolpath.event()\n }\n }\n }\n },\n settings:{type:'object',\n event:function(evt){\n set_values(evt.detail)\n }\n }\n }\n//\n// outputs\n//\nvar outputs = {\n diameter:{type:'number',\n event:function(){\n mods.output(mod,'diameter',Math.ceil(mod.dpi*mod.dia_in.value))\n }\n },\n offset:{type:'number',\n event:function(){\n var pixels = mod.offset*parseFloat(mod.dia_in.value)*mod.dpi\n mods.output(mod,'offset',pixels)\n }\n },\n toolpath:{type:'object',\n event:function(){\n cmd = {}\n cmd.path = mod.path\n cmd.name = mod.name\n cmd.dpi = mod.dpi\n cmd.width = mod.width\n cmd.height = mod.height\n cmd.depth = mod.depth\n mods.output(mod,'toolpath',cmd)\n }\n }\n }\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // tool diameter\n //\n div.appendChild(document.createTextNode('tool diameter'))\n div.appendChild(document.createElement('br'))\n div.appendChild(document.createTextNode('mm: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('input',function(){\n mod.dia_in.value = parseFloat(mod.dia_mm.value)/25.4\n })\n div.appendChild(input)\n mod.dia_mm = input\n div.appendChild(document.createTextNode(' in: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('input',function(){\n mod.dia_mm.value = parseFloat(mod.dia_in.value)*25.4\n })\n div.appendChild(input)\n mod.dia_in = input\n div.appendChild(document.createElement('br'))\n //\n // cut depth\n //\n div.appendChild(document.createTextNode('cut depth'))\n div.appendChild(document.createElement('br'))\n div.appendChild(document.createTextNode('mm: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('input',function(){\n mod.cut_in.value = parseFloat(mod.cut_mm.value)/25.4\n })\n div.appendChild(input)\n mod.cut_mm = input\n div.appendChild(document.createTextNode(' in: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('input',function(){\n mod.cut_mm.value = parseFloat(mod.cut_in.value)*25.4\n })\n div.appendChild(input)\n mod.cut_in = input\n div.appendChild(document.createElement('br'))\n //\n // max depth\n //\n div.appendChild(document.createTextNode('max depth'))\n div.appendChild(document.createElement('br'))\n div.appendChild(document.createTextNode('mm: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('input',function(){\n mod.max_in.value = parseFloat(mod.max_mm.value)/25.4\n })\n div.appendChild(input)\n mod.max_mm = input\n div.appendChild(document.createTextNode(' in: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('input',function(){\n mod.max_mm.value = parseFloat(mod.max_in.value)*25.4\n })\n div.appendChild(input)\n mod.max_in = input\n div.appendChild(document.createElement('br'))\n //\n // offset number\n //\n div.appendChild(document.createTextNode('offset number: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n div.appendChild(input)\n mod.number = input\n div.appendChild(document.createTextNode(' (0 = fill)'))\n div.appendChild(document.createElement('br'))\n //\n // offset stepover\n //\n div.appendChild(document.createTextNode('offset stepover: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n div.appendChild(input)\n mod.stepover = input\n div.appendChild(document.createTextNode(' (1 = diameter)'))\n div.appendChild(document.createElement('br'))\n //\n // direction\n //\n div.appendChild(document.createTextNode('direction: '))\n div.appendChild(document.createTextNode('climb'))\n var input = document.createElement('input')\n input.type = 'radio'\n input.name = mod.div.id+'direction'\n input.id = mod.div.id+'climb'\n input.checked = true\n div.appendChild(input)\n mod.climb = input\n div.appendChild(document.createTextNode(' conventional'))\n var input = document.createElement('input')\n input.type = 'radio'\n input.name = mod.div.id+'direction'\n input.id = mod.div.id+'conventional'\n div.appendChild(input)\n mod.conventional = input\n div.appendChild(document.createElement('br'))\n //\n // path merge\n //\n div.appendChild(document.createTextNode('path merge: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n div.appendChild(input)\n mod.merge = input\n div.appendChild(document.createTextNode(' (1 = diameter)'))\n div.appendChild(document.createElement('br'))\n //\n // path order\n //\n div.appendChild(document.createTextNode('path order: '))\n div.appendChild(document.createTextNode('forward'))\n var input = document.createElement('input')\n input.type = 'radio'\n input.name = mod.div.id+'order'\n input.id = mod.div.id+'forward'\n input.checked = true\n div.appendChild(input)\n mod.forward = input\n div.appendChild(document.createTextNode(' reverse'))\n var input = document.createElement('input')\n input.type = 'radio'\n input.name = mod.div.id+'order'\n input.id = mod.div.id+'reverse'\n div.appendChild(input)\n mod.reverse = input\n div.appendChild(document.createElement('br'))\n //\n // sort distance\n //\n div.appendChild(document.createTextNode('sort distance: '))\n var input = document.createElement('input')\n input.type = 'checkbox'\n input.id = mod.div.id+'sort'\n div.appendChild(input)\n mod.sort = input\n div.appendChild(document.createElement('br'))\n //\n // calculate\n //\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n var span = document.createElement('span')\n var text = document.createTextNode('calculate')\n mod.label = text\n span.appendChild(text)\n mod.labelspan = span\n btn.appendChild(span)\n btn.addEventListener('click',function(){\n mod.label.nodeValue = 'calculating'\n mod.labelspan.style.fontWeight = 'bold'\n mod.offset = 0.5\n mod.offsetCount = 0\n mod.path = []\n clear_path()\n outputs.diameter.event()\n outputs.offset.event()\n })\n div.appendChild(btn)\n div.appendChild(document.createTextNode(' '))\n //\n // view\n //\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('view'))\n btn.addEventListener('click',function(){\n var win = window.open('')\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n })\n win.document.body.appendChild(btn)\n win.document.body.appendChild(document.createElement('br'))\n var svg = document.getElementById(mod.div.id+'svg')\n var clone = svg.cloneNode(true)\n clone.setAttribute('width',mod.img.width)\n clone.setAttribute('height',mod.img.height)\n win.document.body.appendChild(clone)\n })\n div.appendChild(btn)\n div.appendChild(document.createElement('br'))\n //\n // on-screen SVG\n //\n var svgNS = \"http://www.w3.org/2000/svg\"\n var svg = document.createElementNS(svgNS,\"svg\")\n svg.setAttribute('id',mod.div.id+'svg')\n svg.setAttributeNS(\"http://www.w3.org/2000/xmlns/\",\n \"xmlns:xlink\",\"http://www.w3.org/1999/xlink\")\n svg.setAttribute('width',mods.ui.canvas)\n svg.setAttribute('height',mods.ui.canvas)\n svg.style.backgroundColor = 'rgb(255,255,255)'\n var g = document.createElementNS(svgNS,'g')\n g.setAttribute('id',mod.div.id+'g')\n svg.appendChild(g)\n div.appendChild(svg)\n div.appendChild(document.createElement('br'))\n //\n // off-screen image canvas\n //\n var canvas = document.createElement('canvas')\n mod.img = canvas\n }\n//\n// local functions\n//\n// set_values\n//\nfunction set_values(settings) {\n for (var s in settings) {\n switch(s) {\n case 'tool diameter (in)':\n mod.dia_in.value = settings[s]\n mod.dia_mm.value = parseFloat(mod.dia_in.value)*25.4\n break\n case 'cut depth (in)':\n mod.cut_in.value = settings[s]\n mod.cut_mm.value = parseFloat(mod.cut_in.value)*25.4\n break\n case 'max depth (in)':\n mod.max_in.value = settings[s]\n mod.max_mm.value = parseFloat(mod.max_in.value)*25.4\n break\n case 'offset number':\n mod.number.value = settings[s]\n break\n }\n }\n }\n//\n// clear_path\n//\nfunction clear_path() {\n var svg = document.getElementById(mod.div.id+'svg')\n svg.setAttribute('viewBox',\"0 0 \"+(mod.img.width-1)+\" \"+(mod.img.height-1))\n var g = document.getElementById(mod.div.id+'g')\n svg.removeChild(g)\n var g = document.createElementNS('http://www.w3.org/2000/svg','g')\n g.setAttribute('id',mod.div.id+'g')\n svg.appendChild(g)\n }\n//\n// accumulate_path\n// todo: replace inefficient insertion sort\n// todo: move sort out of main thread\n//\nfunction accumulate_path(path) {\n var forward = mod.forward.checked\n var conventional = mod.conventional.checked\n var sort = mod.sort.checked\n for (var segnew = 0; segnew < path.length; ++segnew) {\n if (conventional)\n path[segnew].reverse()\n if (mod.path.length == 0)\n mod.path.splice(0,0,path[segnew])\n else if (sort) {\n var xnew = path[segnew][0][0]\n var ynew = path[segnew][0][1]\n var dmin = Number.MAX_VALUE\n var segmin = -1\n for (var segold = 0; segold < mod.path.length; ++segold) {\n var xold = mod.path[segold][0][0]\n var yold = mod.path[segold][0][1]\n var dx = xnew-xold\n var dy = ynew-yold\n var d = Math.sqrt(dx*dx+dy*dy)\n if (d < dmin) {\n dmin = d\n segmin = segold\n }\n }\n if (forward)\n mod.path.splice(segmin+1,0,path[segnew])\n else\n mod.path.splice(segmin,0,path[segnew])\n }\n else {\n if (forward)\n mod.path.splice(mod.path.length,0,path[segnew])\n else\n mod.path.splice(0,0,path[segnew])\n }\n }\n }\n//\n// merge_path\n//\nfunction merge_path() {\n var dmerge = mod.dpi*parseFloat(mod.merge.value)*parseFloat(mod.dia_in.value)\n var seg = 0\n while (seg < (mod.path.length-1)) {\n var xold = mod.path[seg][mod.path[seg].length-1][0]\n var yold = mod.path[seg][mod.path[seg].length-1][1]\n var xnew = mod.path[seg+1][0][0]\n var ynew = mod.path[seg+1][0][1]\n var dx = xnew-xold\n var dy = ynew-yold\n var d = Math.sqrt(dx*dx+dy*dy)\n if (d < dmerge)\n mod.path.splice(seg,2,mod.path[seg].concat(mod.path[seg+1]))\n else\n seg += 1\n }\n }\n//\n// add_depth\n//\nfunction add_depth() {\n var cut = parseFloat(mod.cut_in.value)\n var max = parseFloat(mod.max_in.value)\n var newpath = []\n for (var seg = 0; seg < mod.path.length; ++seg) {\n var depth = cut\n if ((mod.path[seg][0][0] == mod.path[seg][mod.path[seg].length-1][0])\n && (mod.path[seg][0][0] == mod.path[seg][mod.path[seg].length-1][0])) {\n var newseg = []\n while (depth <= max) {\n var idepth = -Math.round(mod.dpi*depth)\n for (var pt = 0; pt < mod.path[seg].length; ++pt) {\n var point = mod.path[seg][pt].concat(idepth)\n newseg.splice(newseg.length,0,point)\n }\n if (depth == max)\n break\n depth += cut\n if (depth > max)\n depth = max\n }\n newpath.splice(newpath.length,0,newseg)\n }\n else {\n var newseg = []\n while (depth <= max) {\n var idepth = -Math.round(mod.dpi*depth)\n for (var pt = 0; pt < mod.path[seg].length; ++pt) {\n var point = mod.path[seg][pt].concat(idepth)\n newseg.splice(newseg.length,0,point)\n }\n newpath.splice(newpath.length,0,newseg)\n newseg = []\n if (depth == max)\n break\n depth += cut\n if (depth > max)\n depth = max\n }\n }\n }\n mod.path = newpath\n mod.depth = Math.round(parseFloat(mod.max_in.value)*mod.dpi)\n }\n//\n// draw_path\n//\nfunction draw_path(path) {\n var g = document.getElementById(mod.div.id+'g')\n var h = mod.img.height\n var w = mod.img.width\n var xend = null\n var yend = null\n //\n // loop over segments\n //\n for (var segment = 0; segment < path.length; ++segment) {\n if (path[segment].length > 1) {\n //\n // loop over points\n //\n for (var point = 1; point < path[segment].length; ++point) {\n var line = document.createElementNS('http://www.w3.org/2000/svg','line')\n line.setAttribute('stroke','black')\n line.setAttribute('stroke-width',1)\n line.setAttribute('stroke-linecap','round')\n var x1 = path[segment][point-1][0]\n var y1 = h-path[segment][point-1][1]-1\n var x2 = path[segment][point][0]\n var y2 = h-path[segment][point][1]-1\n xend = x2\n yend = y2\n line.setAttribute('x1',x1)\n line.setAttribute('y1',y1)\n line.setAttribute('x2',x2)\n line.setAttribute('y2',y2)\n var dx = x2-x1\n var dy = y2-y1\n var d = Math.sqrt(dx*dx+dy*dy)\n if (d > 0) {\n nx = 6*dx/d\n ny = 6*dy/d\n var tx = 3*dy/d\n var ty = -3*dx/d\n g.appendChild(line)\n triangle = document.createElementNS('http://www.w3.org/2000/svg','polygon')\n triangle.setAttribute('points',x2+','+y2+' '+(x2-nx+tx)+','+(y2-ny+ty)\n +' '+(x2-nx-tx)+','+(y2-ny-ty))\n triangle.setAttribute('fill','black')\n g.appendChild(triangle)\n }\n }\n }\n }\n }\n//\n// draw_connections\n//\nfunction draw_connections() {\n var g = document.getElementById(mod.div.id+'g')\n var h = mod.img.height\n var w = mod.img.width\n //\n // loop over segments\n //\n for (var segment = 1; segment < mod.path.length; ++segment) {\n //\n // draw connection from previous segment\n //\n var line = document.createElementNS('http://www.w3.org/2000/svg','line')\n line.setAttribute('stroke','red')\n line.setAttribute('stroke-width',1)\n line.setAttribute('stroke-linecap','round')\n var x1 = mod.path[segment-1][mod.path[segment-1].length-1][0]\n var y1 = h-mod.path[segment-1][mod.path[segment-1].length-1][1]-1\n var x2 = mod.path[segment][0][0]\n var y2 = h-mod.path[segment][0][1]-1\n line.setAttribute('x1',x1)\n line.setAttribute('y1',y1)\n line.setAttribute('x2',x2)\n line.setAttribute('y2',y2)\n var dx = x2-x1\n var dy = y2-y1\n var d = Math.sqrt(dx*dx+dy*dy)\n if (d > 0) {\n nx = 6*dx/d\n ny = 6*dy/d\n var tx = 3*dy/d\n var ty = -3*dx/d\n g.appendChild(line)\n triangle = document.createElementNS('http://www.w3.org/2000/svg','polygon')\n triangle.setAttribute('points',x2+','+y2+' '+(x2-nx+tx)+','+(y2-ny+ty)\n +' '+(x2-nx-tx)+','+(y2-ny-ty))\n triangle.setAttribute('fill','red')\n g.appendChild(triangle)\n }\n }\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n\n","top":"17","left":"883","inputs":{},"outputs":{}},"0.10309904694903338":{"definition":"//\n// vectorize\n// input is red 128:north,64:south, green 128:east,64:west, blue 128:start,64:stop\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2016\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the mods\n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'vectorize'\n//\n// initialization\n//\nvar init = function() {\n mod.error.value = 1\n mod.sort.checked = true\n }\n//\n// inputs\n//\nvar inputs = {\n image:{type:'RGBA',\n event:function(evt){\n mod.input = evt.detail\n var ctx = mod.img.getContext(\"2d\")\n ctx.canvas.width = mod.input.width\n ctx.canvas.height = mod.input.height \n ctx.putImageData(mod.input,0,0)\n vectorize()\n }}}\n//\n// outputs\n//\nvar outputs = {\n path:{type:'array',\n event:function(){\n mods.output(mod,'path',mod.path)\n }}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // on-screen SVG\n //\n var svgNS = \"http://www.w3.org/2000/svg\"\n var svg = document.createElementNS(svgNS,\"svg\")\n svg.setAttribute('id',mod.div.id+'svg')\n svg.setAttributeNS(\"http://www.w3.org/2000/xmlns/\",\n \"xmlns:xlink\",\"http://www.w3.org/1999/xlink\")\n svg.setAttribute('width',mods.ui.canvas)\n svg.setAttribute('height',mods.ui.canvas)\n svg.style.backgroundColor = 'rgb(255,255,255)'\n var g = document.createElementNS(svgNS,'g')\n g.setAttribute('id',mod.div.id+'g')\n svg.appendChild(g)\n div.appendChild(svg)\n div.appendChild(document.createElement('br')) \n //\n // off-screen image canvas\n //\n var canvas = document.createElement('canvas')\n mod.img = canvas\n //\n // error value\n //\n div.appendChild(document.createTextNode('vector fit (pixels): '))\n //div.appendChild(document.createElement('br'))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('change',function(){\n vectorize()\n })\n div.appendChild(input)\n mod.error = input\n div.appendChild(document.createElement('br'))\n //\n // sort\n //\n div.appendChild(document.createTextNode('sort distance: '))\n var input = document.createElement('input')\n input.type = 'checkbox'\n input.id = mod.div.id+'sort'\n div.appendChild(input)\n mod.sort = input\n div.appendChild(document.createElement('br'))\n //\n // view button\n //\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('view'))\n btn.addEventListener('click',function(){\n var win = window.open('')\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n })\n win.document.body.appendChild(btn)\n win.document.body.appendChild(document.createElement('br'))\n var svg = document.getElementById(mod.div.id+'svg')\n var clone = svg.cloneNode(true)\n clone.setAttribute('width',mod.img.width)\n clone.setAttribute('height',mod.img.height)\n win.document.body.appendChild(clone)\n })\n div.appendChild(btn)\n }\n//\n// local functions\n//\n// vectorize\n//\nfunction vectorize() {\n //\n // draw path\n //\n function draw_path(path) {\n window.URL.revokeObjectURL(url)\n var svg = document.getElementById(mod.div.id+'svg')\n svg.setAttribute('viewBox',\"0 0 \"+(mod.img.width-1)+\" \"+(mod.img.height-1))\n var g = document.getElementById(mod.div.id+'g')\n svg.removeChild(g)\n var g = document.createElementNS('http://www.w3.org/2000/svg','g')\n g.setAttribute('id',mod.div.id+'g')\n var h = mod.img.height\n var w = mod.img.width\n var xend = null\n var yend = null\n //\n // loop over segments\n //\n for (var segment in path) {\n if (path[segment].length > 1) {\n if (xend != null) {\n //\n // draw connection from previous segment\n //\n var line = document.createElementNS('http://www.w3.org/2000/svg','line')\n line.setAttribute('stroke','red')\n line.setAttribute('stroke-width',1)\n line.setAttribute('stroke-linecap','round')\n var x1 = xend\n var y1 = yend\n var x2 = path[segment][0][0]\n var y2 = h-path[segment][0][1]-1\n line.setAttribute('x1',x1)\n line.setAttribute('y1',y1)\n line.setAttribute('x2',x2)\n line.setAttribute('y2',y2)\n var dx = x2-x1\n var dy = y2-y1\n var d = Math.sqrt(dx*dx+dy*dy)\n if (d > 0) {\n nx = 6*dx/d\n ny = 6*dy/d\n var tx = 3*dy/d\n var ty = -3*dx/d\n g.appendChild(line)\n triangle = document.createElementNS('http://www.w3.org/2000/svg','polygon')\n triangle.setAttribute('points',x2+','+y2+' '+(x2-nx+tx)+','+(y2-ny+ty)\n +' '+(x2-nx-tx)+','+(y2-ny-ty))\n triangle.setAttribute('fill','red')\n g.appendChild(triangle)\n }\n }\n //\n // loop over points\n //\n for (var point = 1; point < path[segment].length; ++point) {\n var line = document.createElementNS('http://www.w3.org/2000/svg','line')\n line.setAttribute('stroke','black')\n line.setAttribute('stroke-width',1)\n line.setAttribute('stroke-linecap','round')\n var x1 = path[segment][point-1][0]\n var y1 = h-path[segment][point-1][1]-1\n var x2 = path[segment][point][0]\n var y2 = h-path[segment][point][1]-1\n xend = x2\n yend = y2\n line.setAttribute('x1',x1)\n line.setAttribute('y1',y1)\n line.setAttribute('x2',x2)\n line.setAttribute('y2',y2)\n var dx = x2-x1\n var dy = y2-y1\n var d = Math.sqrt(dx*dx+dy*dy)\n if (d > 0) {\n nx = 6*dx/d\n ny = 6*dy/d\n var tx = 3*dy/d\n var ty = -3*dx/d\n g.appendChild(line)\n triangle = document.createElementNS('http://www.w3.org/2000/svg','polygon')\n triangle.setAttribute('points',x2+','+y2+' '+(x2-nx+tx)+','+(y2-ny+ty)\n +' '+(x2-nx-tx)+','+(y2-ny-ty))\n triangle.setAttribute('fill','black')\n g.appendChild(triangle)\n }\n }\n }\n }\n svg.appendChild(g)\n }\n //\n // set up worker\n //\n var blob = new Blob(['('+worker.toString()+'())'])\n var url = window.URL.createObjectURL(blob)\n var webworker = new Worker(url)\n webworker.addEventListener('message',function(evt) {\n window.URL.revokeObjectURL(url)\n webworker.terminate()\n mod.path = evt.data.path\n draw_path(mod.path)\n outputs.path.event()\n })\n //\n // call worker\n //\n webworker.postMessage({\n height:mod.input.height,width:mod.input.width,sort:mod.sort.checked,\n error:parseFloat(mod.error.value),\n buffer:mod.input.data.buffer})\n }\n//\n// vectorize worker\n//\nfunction worker() {\n self.addEventListener('message',function(evt) {\n var h = evt.data.height\n var w = evt.data.width\n var sort = evt.data.sort\n var input = new Uint8ClampedArray(evt.data.buffer)\n var northsouth = 0\n var north = 128\n var south = 64\n var eastwest = 1\n var east = 128\n var west = 64\n var startstop = 2\n var start = 128\n var stop = 64\n var path = []\n //\n // edge follower\n //\n function follow_edges(row,col) {\n if ((input[(h-1-row)*w*4+col*4+northsouth] != 0)\n || (input[(h-1-row)*w*4+col*4+eastwest] != 0)) {\n path[path.length] = [[col,row]]\n while (1) {\n if (input[(h-1-row)*w*4+col*4+northsouth] & north) {\n input[(h-1-row)*w*4+col*4+northsouth] =\n input[(h-1-row)*w*4+col*4+northsouth] & ~north\n row += 1\n path[path.length-1][path[path.length-1].length] = [col,row]\n }\n else if (input[(h-1-row)*w*4+col*4+northsouth] & south) {\n input[(h-1-row)*w*4+col*4+northsouth] =\n input[(h-1-row)*w*4+col*4+northsouth] & ~south\n row -= 1\n path[path.length-1][path[path.length-1].length] = [col,row]\n }\n else if (input[(h-1-row)*w*4+col*4+eastwest] & east) {\n input[(h-1-row)*w*4+col*4+eastwest] =\n input[(h-1-row)*w*4+col*4+eastwest] & ~east\n col += 1\n path[path.length-1][path[path.length-1].length] = [col,row]\n }\n else if (input[(h-1-row)*w*4+col*4+eastwest] & west) {\n input[(h-1-row)*w*4+col*4+eastwest] =\n input[(h-1-row)*w*4+col*4+eastwest] & ~west\n col -= 1\n path[path.length-1][path[path.length-1].length] = [col,row]\n }\n else\n break\n }\n }\n }\n //\n // follow boundary starts\n //\n for (var row = 1; row < (h-1); ++row) {\n col = 0\n follow_edges(row,col)\n col = w-1\n follow_edges(row,col)\n }\n for (var col = 1; col < (w-1); ++col) {\n row = 0\n follow_edges(row,col)\n row = h-1 \n follow_edges(row,col)\n }\n //\n // follow interior paths\n //\n for (var row = 1; row < (h-1); ++row) {\n for (var col = 1; col < (w-1); ++col) {\n follow_edges(row,col)\n }\n }\n //\n // vectorize path\n //\n var error = evt.data.error\n var vecpath = []\n for (var seg = 0; seg < path.length; ++seg) {\n var x0 = path[seg][0][0]\n var y0 = path[seg][0][1]\n vecpath[vecpath.length] = [[x0,y0]]\n var xsum = x0\n var ysum = y0\n var sum = 1\n for (var pt = 1; pt < path[seg].length; ++pt) {\n var xold = x\n var yold = y\n var x = path[seg][pt][0]\n var y = path[seg][pt][1]\n if (sum == 1) {\n xsum += x\n ysum += y\n sum += 1\n }\n else {\n var xmean = xsum/sum\n var ymean = ysum/sum\n var dx = xmean-x0\n var dy = ymean-y0\n var d = Math.sqrt(dx*dx+dy*dy)\n var nx = dy/d\n var ny = -dx/d\n var l = Math.abs(nx*(x-x0)+ny*(y-y0))\n if (l < error) {\n xsum += x\n ysum += y\n sum += 1\n }\n else {\n vecpath[vecpath.length-1][vecpath[vecpath.length-1].length] = [xold,yold]\n x0 = xold\n y0 = yold\n xsum = xold\n ysum = yold\n sum = 1\n }\n }\n if (pt == (path[seg].length-1)) {\n vecpath[vecpath.length-1][vecpath[vecpath.length-1].length] = [x,y]\n }\n }\n }\n //\n // sort path\n //\n if ((vecpath.length > 1) && (sort == true)) {\n var dmin = w*w+h*h\n segmin = null\n for (var seg = 0; seg < vecpath.length; ++seg) {\n var x = vecpath[seg][0][0]\n var y = vecpath[seg][0][0]\n var d = x*x+y*y\n if (d < dmin) {\n dmin = d\n segmin = seg\n }\n }\n if (segmin != null) {\n var sortpath = [vecpath[segmin]]\n vecpath.splice(segmin,1)\n }\n while (vecpath.length > 0) {\n var dmin = w*w+h*h\n var x0 = sortpath[sortpath.length-1][sortpath[sortpath.length-1].length-1][0]\n var y0 = sortpath[sortpath.length-1][sortpath[sortpath.length-1].length-1][1]\n segmin = null\n for (var seg = 0; seg < vecpath.length; ++seg) {\n var x = vecpath[seg][0][0]\n var y = vecpath[seg][0][1]\n var d = (x-x0)*(x-x0)+(y-y0)*(y-y0)\n if (d < dmin) {\n dmin = d\n segmin = seg\n }\n }\n if (segmin != null) {\n sortpath[sortpath.length] = vecpath[segmin]\n vecpath.splice(segmin,1)\n }\n }\n }\n else if (((vecpath.length > 1) && (sort == false)) || (vecpath.length == 1))\n sortpath = vecpath\n else\n sortpath = []\n //\n // return path\n //\n self.postMessage({path:sortpath})\n })\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"695","left":"2470","inputs":{},"outputs":{}},"0.9980172439474251":{"definition":"//\n// Roland SRM-20 milling machine\n//\n// Neil Gershenfeld\n// (c) Massachusetts Institute of Technology 2016\n//\n// This work may be reproduced, modified, distributed, performed, and\n// displayed for any purpose, but must acknowledge the mods\n// project. Copyright is retained and must be preserved. The work is\n// provided as is; no warranty is provided, and users accept all\n// liability.\n//\n// closure\n//\n\n\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'Roland SRM-20 milling machine'\n//\n// initialization\n//\nvar init = function() {\n mod.units = 100.0\n mod.speed.value = 4\n mod.ox.value = 10\n mod.oy.value = 10\n mod.oz.value = 10\n mod.jz.value = 2\n mod.hx.value = 0\n mod.hy.value = 152.4\n mod.hz.value = 60.5\n }\n//\n// inputs\n//\nvar inputs = {\n toolpath:{type:'object',\n event:function(evt){\n mod.name = evt.detail.name\n mod.path = evt.detail.path\n mod.dpi = evt.detail.dpi\n mod.width = evt.detail.width\n mod.height = evt.detail.height\n make_path()\n }}}\n//\n// outputs\n//\nvar outputs = {\n file:{type:'object',\n event:function(obj){\n mods.output(mod,'file',obj)\n }}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // speed\n //\n div.appendChild(document.createTextNode('speed: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n div.appendChild(input)\n mod.speed = input\n div.appendChild(document.createTextNode(' (mm/s)'))\n div.appendChild(document.createElement('br'))\n //\n // origin\n //\n div.appendChild(document.createTextNode('origin:'))\n div.appendChild(document.createElement('br'))\n div.appendChild(document.createTextNode('x: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n div.appendChild(input)\n mod.ox = input\n div.appendChild(document.createTextNode(' (mm)'))\n div.appendChild(document.createElement('br'))\n div.appendChild(document.createTextNode(' y: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n div.appendChild(input)\n mod.oy = input\n div.appendChild(document.createTextNode(' (mm)'))\n div.appendChild(document.createElement('br'))\n div.appendChild(document.createTextNode('z: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n div.appendChild(input)\n mod.oz = input\n div.appendChild(document.createTextNode(' (mm)'))\n div.appendChild(document.createElement('br'))\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n var span = document.createElement('span')\n var text = document.createTextNode('move to origin')\n span.appendChild(text)\n btn.appendChild(span)\n btn.addEventListener('click',function(){\n var x0 = mod.units*parseFloat(mod.ox.value);\n var y0 = mod.units*parseFloat(mod.oy.value);\n var z0 = mod.units*parseFloat(mod.oz.value);\n var zjog = z0+mod.units*parseFloat(mod.jz.value);\n var str = \"PA;PA;VS10;!VZ10;!PZ0,\"+zjog+\";PU\"+x0+\",\"+y0+\";Z\"+x0+\",\"+y0+\",\"+z0+\";!MC0;\"\n var obj = {}\n obj.type = 'command'\n obj.name = mod.name+'.rml'\n obj.contents = str\n outputs.file.event(obj)\n })\n div.appendChild(btn)\n div.appendChild(document.createElement('br'))\n //\n // jog\n //\n div.appendChild(document.createTextNode('jog height:'))\n div.appendChild(document.createElement('br'))\n div.appendChild(document.createTextNode('z: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n div.appendChild(input)\n mod.jz = input\n div.appendChild(document.createTextNode(' (mm)'))\n div.appendChild(document.createElement('br'))\n //\n // home\n //\n div.appendChild(document.createTextNode('home:'))\n div.appendChild(document.createElement('br'))\n div.appendChild(document.createTextNode('x: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n div.appendChild(input)\n mod.hx = input\n div.appendChild(document.createTextNode(' (mm)'))\n div.appendChild(document.createElement('br'))\n div.appendChild(document.createTextNode(' y: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n div.appendChild(input)\n mod.hy = input\n div.appendChild(document.createTextNode(' (mm)'))\n div.appendChild(document.createElement('br'))\n div.appendChild(document.createTextNode('z: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n div.appendChild(input)\n mod.hz = input\n div.appendChild(document.createTextNode(' (mm)'))\n div.appendChild(document.createElement('br'))\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n var span = document.createElement('span')\n var text = document.createTextNode('move to home')\n span.appendChild(text)\n btn.appendChild(span)\n btn.addEventListener('click',function(){\n var xhome = mod.units*parseFloat(mod.hx.value);\n var yhome = mod.units*parseFloat(mod.hy.value);\n var zhome = mod.units*parseFloat(mod.hz.value);\n var str = \"PA;PA;!PZ0,\"+zhome+\";PU\"+xhome+\",\"+yhome+\";!MC0;\";\n var obj = {}\n obj.type = 'command'\n obj.name = mod.name+'.rml'\n obj.contents = str\n outputs.file.event(obj)\n })\n div.appendChild(btn)\n div.appendChild(document.createElement('br'))\n }\n//\n// local functions\n//\nfunction make_path() {\n var dx = 25.4*mod.width/mod.dpi\n var nx = mod.width\n var speed = parseFloat(mod.speed.value)\n var jog = parseFloat(mod.oz.value)+parseFloat(mod.jz.value)\n var ijog = Math.floor(mod.units*jog)\n var scale = mod.units*dx/(nx-1)\n var x0 = parseFloat(mod.ox.value)\n var y0 = parseFloat(mod.oy.value)\n var z0 = parseFloat(mod.oz.value)\n var xoffset = mod.units*x0\n var yoffset = mod.units*y0\n var zoffset = mod.units*z0\n var str = \"PA;PA;\" // plot absolute\n str += \"VS\"+speed+\";!VZ\"+speed+\";\"\n str += \"!PZ\"+0+\",\"+ijog+\";\" // set jog\n str += \"!MC1;\\n\" // turn motor on\n //\n // follow segments\n //\n for (var seg = 0; seg < mod.path.length; ++seg) {\n //\n // move up to starting point\n //\n x = xoffset+scale*mod.path[seg][0][0]\n y = yoffset+scale*mod.path[seg][0][1]\n str += \"PU\"+x.toFixed(0)+\",\"+y.toFixed(0)+\";\\n\"\n //\n // move down\n //\n z = zoffset+scale*mod.path[seg][0][2]\n str += \"Z\"+x.toFixed(0)+\",\"+y.toFixed(0)+\",\"+z.toFixed(0)+\";\\n\"\n for (var pt = 1; pt < mod.path[seg].length; ++pt) {\n //\n // move to next point\n //\n x = xoffset+scale*mod.path[seg][pt][0]\n y = yoffset+scale*mod.path[seg][pt][1]\n z = zoffset+scale*mod.path[seg][pt][2]\n str += \"Z\"+x.toFixed(0)+\",\"+y.toFixed(0)+\",\"+z.toFixed(0)+\";\\n\"\n }\n //\n // move up\n //\n str += \"PU\"+x.toFixed(0)+\",\"+y.toFixed(0)+\";\\n\"\n }\n //\n // turn off motor and move back\n //\n var xhome = mod.units*parseFloat(mod.hx.value)\n var yhome = mod.units*parseFloat(mod.hy.value)\n var zhome = mod.units*parseFloat(mod.hz.value)\n str += \"PA;PA;!PZ0,\"+zhome+\";PU\"+xhome+\",\"+yhome+\";!MC0;\"\n //\n // output string\n //\n var obj = {}\n obj.type = 'file'\n obj.name = mod.name+'.rml'\n obj.contents = str\n outputs.file.event(obj)\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"232","left":"1279","inputs":{},"outputs":{}},"0.5899953716607196":{"definition":"//\n// convert SVG image\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2016\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the mods\n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'convert SVG image'\n//\n// initialization\n//\nvar init = function() {\n mod.dpi.value = 300\n }\n//\n// inputs\n//\nvar inputs = {\n SVG:{type:'string',\n event:function(evt){\n mod.svg = evt.detail\n get_size()\n draw_image()}}}\n//\n// outputs\n//\nvar outputs = {\n image:{type:'RGBA',\n event:function(){\n var ctx = mod.img.getContext(\"2d\")\n var img = ctx.getImageData(0,0,mod.img.width,mod.img.height)\n mods.output(mod,'image',img)}},\n imageInfo:{type:'object',\n event:function(){\n var obj = {}\n obj.name = \"SVG image\"\n obj.dpi = parseFloat(mod.dpi.value)\n obj.width = mod.img.width\n obj.height = mod.img.height\n mods.output(mod,'imageInfo',obj)}}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // on-screen drawing canvas\n //\n var canvas = document.createElement('canvas')\n canvas.width = mods.ui.canvas\n canvas.height = mods.ui.canvas\n canvas.style.backgroundColor = 'rgb(255,255,255)'\n div.appendChild(canvas)\n mod.canvas = canvas\n div.appendChild(document.createElement('br'))\n //\n // off-screen image canvas\n //\n var canvas = document.createElement('canvas')\n mod.img = canvas\n //\n // view button\n //\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('view'))\n btn.addEventListener('click',function(){\n var win = window.open('')\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n })\n win.document.body.appendChild(btn)\n win.document.body.appendChild(document.createElement('br'))\n var canvas = document.createElement('canvas')\n canvas.width = mod.img.width\n canvas.height = mod.img.height\n win.document.body.appendChild(canvas)\n var ctx = canvas.getContext(\"2d\")\n ctx.drawImage(mod.img,0,0)\n })\n div.appendChild(btn)\n //\n // dpi\n //\n div.appendChild(document.createElement('br'))\n div.appendChild(document.createTextNode('dpi: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('change',function(){\n draw_image()\n })\n div.appendChild(input)\n mod.dpi = input\n div.appendChild(document.createTextNode(' (enter)'))\n //\n // units\n //\n div.appendChild(document.createElement('br'))\n div.appendChild(document.createTextNode('units: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('change',function(){\n draw_image()\n })\n div.appendChild(input)\n mod.unitstext = input\n div.appendChild(document.createTextNode(' (enter)'))\n //\n // size\n //\n div.appendChild(document.createElement('br'))\n var text = document.createTextNode('image size:')\n div.appendChild(text)\n div.appendChild(document.createElement('br'))\n var text = document.createTextNode('(pixels)')\n div.appendChild(text)\n mod.pixels = text\n div.appendChild(document.createElement('br'))\n var text = document.createTextNode('(inches)')\n div.appendChild(text)\n mod.inches = text\n div.appendChild(document.createElement('br'))\n var text = document.createTextNode('(mm)')\n div.appendChild(text)\n mod.mm = text\n }\n//\n// local functions\n//\n// get size\n//\nfunction get_size() {\n var i = mod.svg.indexOf(\"width\")\n if (i == -1) {\n var width = 1\n var height = 1\n var units = 90\n }\n else {\n var i1 = mod.svg.indexOf(\"\\\"\",i+1)\n var i2 = mod.svg.indexOf(\"\\\"\",i1+1)\n var width = mod.svg.substring(i1+1,i2)\n i = mod.svg.indexOf(\"height\")\n i1 = mod.svg.indexOf(\"\\\"\",i+1)\n i2 = mod.svg.indexOf(\"\\\"\",i1+1)\n var height = mod.svg.substring(i1+1,i2)\n ih = mod.svg.indexOf(\"height\")\n if (width.indexOf(\"px\") != -1) {\n width = width.slice(0,-2)\n height = height.slice(0,-2)\n var units = 90\n }\n else if (width.indexOf(\"mm\") != -1) {\n width = width.slice(0,-2)\n height = height.slice(0,-2)\n var units = 25.4\n }\n else if (width.indexOf(\"cm\") != -1) {\n width = width.slice(0,-2)\n height = height.slice(0,-2)\n var units = 2.54\n }\n else if (width.indexOf(\"in\") != -1) {\n width = width.slice(0,-2)\n height = height.slice(0,-2)\n var units = 1\n }\n else {\n var units = 90\n }\n }\n mod.width = parseFloat(width)\n mod.height = parseFloat(height)\n mod.units = units\n mod.unitstext.value = units\n }\n//\n// draw image\n//\nfunction draw_image() {\n var dpi = parseFloat(mod.dpi.value)\n var units = parseFloat(mod.unitstext.value)\n var width = parseInt(dpi*mod.width/units)\n var height = parseInt(dpi*mod.height/units)\n mod.pixels.nodeValue = width+' x '+height+\" (pixels)\"\n mod.inches.nodeValue = (width/dpi).toFixed(3)+' x '+(height/dpi).toFixed(3)+\" (inches)\"\n mod.mm.nodeValue = (25.4*width/dpi).toFixed(3)+' x '+(25.4*height/dpi).toFixed(3)+\" (mm)\"\n var src = \"data:image/svg+xml;base64,\"+window.btoa(mod.svg)\n var img = new Image()\n img.setAttribute(\"src\",src)\n img.onload = function() {\n if (width > height) {\n var x0 = 0\n var y0 = mod.canvas.height*.5*(1-height/width)\n var w = mod.canvas.width\n var h = mod.canvas.width*height/width\n }\n else {\n var x0 = mod.canvas.width*.5*(1-width/height)\n var y0 = 0\n var w = mod.canvas.height*width/height\n var h = mod.canvas.height\n }\n mod.img.width = width\n mod.img.height = height\n var ctx = mod.img.getContext(\"2d\")\n ctx.clearRect(0,0,width,height)\n ctx.drawImage(img,0,0,width,height)\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n ctx.drawImage(mod.img,x0,y0,w,h)\n outputs.image.event()\n outputs.imageInfo.event()\n }\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"445","left":"166","inputs":{},"outputs":{}},"0.967564939861018":{"definition":"//\r\n// SWPCB module extracts PCB profiles from SolidWorks products through Tools/FabLab Connect command\r\n//\r\n// Shawn Liu @ Dassault Systemes SolidWorks Corporation\r\n// (c) Massachusetts Institute of Technology 2017\r\n// \r\n// This work may be reproduced, modified, distributed, performed, and \r\n// displayed for any purpose, but must acknowledge the mods\r\n// project. Copyright is retained and must be preserved. The work is \r\n// provided as is; no warranty is provided, and users accept all \r\n// liability.\r\n//\r\n// closure\r\n//\r\n(function(){\r\n//\r\n// module globals\r\n//\r\nvar mod = {}\r\n//\r\n// name\r\n//\r\nvar name = 'SWPCB'\r\n//\r\n// initialization\r\n//\r\nvar init = function() {\r\n mod.address = getParameterByName('swIP') || '127.0.0.1'\r\n mod.port = getParameterByName('swPort') || '80'\r\n mod.socket = 0\r\n socket_open()\r\n }\r\n//\r\n// inputs\r\n//\r\nvar inputs = {}\r\n//\r\n// outputs\r\n//\r\nvar outputs = {\r\n SVG:{type:'string',\r\n event:function(data){\r\n mods.output(mod,'SVG',data)}}}\r\n//\r\n// interface\r\n//\r\nvar interface = function(div){\r\n mod.div = div\r\n div.appendChild(document.createTextNode('server:'))\r\n div.appendChild(document.createElement('br'))\r\n div.appendChild(document.createTextNode('address: ' + getParameterByName('swIP')))\r\n div.appendChild(document.createElement('br'))\r\n div.appendChild(document.createTextNode('\\u00a0\\u00a0\\u00a0\\u00a0\\u00a0port: ' + getParameterByName('swPort')))\r\n div.appendChild(document.createElement('br'))\r\n div.appendChild(document.createTextNode('\\u00a0\\u00a0status: '))\r\n input = document.createElement('input')\r\n input.type = 'text'\r\n input.size = 12\r\n div.appendChild(input)\r\n mod.status = input\r\n div.appendChild(document.createElement('br'))\r\n var btn = document.createElement('button')\r\n btn.style.margin = 1\r\n btn.appendChild(document.createTextNode('open'))\r\n btn.addEventListener('click',function() {\r\n socket_open()\r\n })\r\n div.appendChild(btn)\r\n var btn = document.createElement('button')\r\n btn.style.margin = 1\r\n btn.appendChild(document.createTextNode('close'))\r\n btn.addEventListener('click',function() {\r\n socket_close()\r\n })\r\n div.appendChild(btn)\r\n div.appendChild(document.createElement('br'))\r\n div.appendChild(document.createTextNode('traces and outline: '))\r\n\r\n div.appendChild(document.createElement('br'))\r\n var btn = document.createElement('button')\r\n btn.style.margin = 1\r\n btn.appendChild(document.createTextNode('Get Top Traces'))\r\n btn.addEventListener('click', function () {\r\n\t extract_top_SVGs()\r\n\t })\r\n div.appendChild(btn)\r\n\r\n div.appendChild(document.createElement('br'))\r\n var btn = document.createElement('button')\r\n btn.style.margin = 1\r\n btn.appendChild(document.createTextNode('Get Bottom Traces'))\r\n btn.addEventListener('click', function () {\r\n\t extract_bottom_SVGs()\r\n\t })\r\n div.appendChild(btn)\r\n div.appendChild(document.createElement('br'))\r\n\r\n var btn = document.createElement('button')\r\n btn.style.margin = 1\r\n btn.appendChild(document.createTextNode('Get Outline'))\r\n btn.addEventListener('click', function () {\r\n\t extract_outline_SVGs()\r\n\t })\r\n div.appendChild(btn)\r\n\r\n }\r\n//\r\n// local functions\r\n//\r\n\r\nfunction getParameterByName(name, url) {\r\n if (!url) url = window.location.href\r\n name = name.replace(/[\\[\\]]/g, \"\\\\$&\")\r\n var regex = new RegExp(\"[?&]\" + name + \"(=([^&#]*)|&|#|$)\"),\r\n results = regex.exec(url)\r\n if (!results) return null\r\n if (!results[2]) return ''\r\n return decodeURIComponent(results[2].replace(/\\+/g, \" \"))\r\n}\r\n\r\n\r\nfunction socket_open() {\r\n var url = \"ws://\"+mod.address+':'+mod.port\r\n mod.socket = new WebSocket(url)\r\n mod.socket.onopen = function (event) {\r\n mod.status.value = \"opened\"\r\n var connect = {}\r\n connect.modCmd = 'connect'\r\n connect.owner = getParameterByName('swOwner')\r\n connect.id = getParameterByName('swID')\r\n socket_send(JSON.stringify(connect))\r\n }\r\n mod.socket.onerror = function(event) {\r\n mod.status.value = \"can not open\"\r\n }\r\n mod.socket.onmessage = function(event) {\r\n mod.status.value = \"receive\"\r\n var swData = JSON.parse(event.data)\r\n if (swData.swType === \"FaceSVG\" || swData.swType === \"PCBTraceSVG\") {\r\n outputs.SVG.event(swData.data)\r\n }\r\n }\r\n mod.socket.onclose = function (event) {\r\n mod.status.value = \"connection closed\"\r\n }\r\n }\r\nfunction socket_close() {\r\n mod.socket.close()\r\n mod.status.value = \"closed\"\r\n mod.socket = 0\r\n }\r\nfunction socket_send(msg) {\r\n if (mod.socket != 0) {\r\n mod.status.value = \"send\"\r\n mod.socket.send(msg)\r\n }\r\n else {\r\n mod.status.value = \"can't send, not open\"\r\n }\r\n }\r\nfunction extract_top_SVGs() {\r\n var modcmd = new Object\r\n modcmd.modCmd = \"ExtractTopPCB\"\r\n socket_send(JSON.stringify(modcmd))\r\n }\r\nfunction extract_bottom_SVGs() {\r\n var modcmd = new Object\r\n modcmd.modCmd = \"ExtractBottomPCB\"\r\n socket_send(JSON.stringify(modcmd))\r\n }\r\nfunction extract_outline_SVGs() {\r\n var modcmd = new Object\r\n modcmd.modCmd = \"AutoExtractPCB\"\r\n socket_send(JSON.stringify(modcmd))\r\n }\r\n\r\n\r\n//\r\n// return values\r\n//\r\nreturn ({\r\n name:name,\r\n init:init,\r\n inputs:inputs,\r\n outputs:outputs,\r\n interface:interface\r\n })\r\n}())\r\n","top":"96","left":"192","inputs":{},"outputs":{}},"0.06350204937311554":{"definition":"//\r\n// print server module\r\n//\r\n// Neil Gershenfeld \r\n// (c) Massachusetts Institute of Technology 2017\r\n// \r\n// This work may be reproduced, modified, distributed, performed, and \r\n// displayed for any purpose, but must acknowledge the mods\r\n// project. Copyright is retained and must be preserved. The work is \r\n// provided as is; no warranty is provided, and users accept all \r\n// liability.\r\n//\r\n// closure\r\n//\r\n(function(){\r\n//\r\n// module globals\r\n//\r\nvar mod = {}\r\n//\r\n// name\r\n//\r\nvar name = 'WebSocket print'\r\n//\r\n// initialization\r\n//\r\nvar init = function() {\r\n mod.address.value = '127.0.0.1'\r\n mod.port.value = 1234\r\n mod.printers.value = 'Printer not found'\r\n mod.socket = null\r\n socket_open()\r\n }\r\n//\r\n// inputs\r\n//\r\nvar inputs = {\r\n file:{type:'',\r\n event:function(evt){\r\n if (evt.detail.type == 'file') {\r\n mod.job = evt.detail\r\n mod.label.nodeValue = 'send file to printer'\r\n mod.labelspan.style.fontWeight = 'bold'\r\n }\r\n else if (evt.detail.type == 'command') {\r\n mod.job = evt.detail\r\n mod.job.printer = mod.printers.value\r\n socket_send(JSON.stringify(mod.job))\r\n }\r\n }}}\r\n//\r\n// outputs\r\n//\r\nvar outputs = {\r\n }\r\n//\r\n// interface\r\n//\r\nvar interface = function(div){\r\n mod.div = div\r\n //\r\n // server\r\n //\r\n var a = document.createElement('a')\r\n a.href = './js/printserver.js'\r\n a.innerHTML = 'printserver:'\r\n a.target = '_blank'\r\n div.appendChild(a)\r\n div.appendChild(document.createElement('br'))\r\n div.appendChild(document.createTextNode('address: '))\r\n input = document.createElement('input')\r\n input.type = 'text'\r\n input.size = 10\r\n div.appendChild(input)\r\n mod.address = input\r\n div.appendChild(document.createElement('br'))\r\n div.appendChild(document.createTextNode('\\u00a0\\u00a0\\u00a0\\u00a0\\u00a0port: '))\r\n input = document.createElement('input')\r\n input.type = 'text'\r\n input.size = 10\r\n div.appendChild(input)\r\n mod.port = input\r\n div.appendChild(document.createElement('br'))\r\n div.appendChild(document.createTextNode('\\u00a0\\u00a0status: '))\r\n input = document.createElement('input')\r\n input.type = 'text'\r\n input.size = 10\r\n div.appendChild(input)\r\n mod.status = input\r\n div.appendChild(document.createElement('br'))\r\n //\r\n // open/close\r\n //\r\n var btn = document.createElement('button')\r\n btn.style.margin = 1\r\n btn.appendChild(document.createTextNode('open'))\r\n btn.addEventListener('click',function() {\r\n socket_open()\r\n })\r\n div.appendChild(btn)\r\n var btn = document.createElement('button')\r\n btn.style.margin = 1\r\n btn.appendChild(document.createTextNode('close'))\r\n btn.addEventListener('click',function() {\r\n socket_close()\r\n })\r\n div.appendChild(btn)\r\n div.appendChild(document.createElement('br'))\r\n //\r\n // printer\r\n //\r\n div.appendChild(document.createTextNode('printer:'))\r\n div.appendChild(document.createElement('br'))\r\n var select = document.createElement('select')\r\n select.setAttribute('style', 'width:150px');\r\n\t var el = document.createElement('option')\r\n el.textContent = 'Printer not found'\r\n el.value = 'Printer not found'\r\n select.appendChild(el)\r\n div.appendChild(select)\r\n mod.printers = select \r\n div.appendChild(document.createElement('br')) \r\n var btn = document.createElement('button')\r\n btn.style.padding = mods.ui.padding\r\n btn.style.margin = 1\r\n var span = document.createElement('span')\r\n var text = document.createTextNode('waiting for file')\r\n mod.label = text\r\n span.appendChild(text)\r\n mod.labelspan = span\r\n btn.appendChild(span)\r\n btn.addEventListener('click',function(){\r\n if (mod.socket == null) {\r\n mod.status.value = \"can't send, not open\"\r\n }\r\n else if (mod.label.nodeValue == 'send file to printer') {\r\n mod.job.printer = mod.printers.value\r\n socket_send(JSON.stringify(mod.job))\r\n mod.label.nodeValue = 'cancel'\r\n }\r\n else if (mod.label.nodeValue == 'cancel') {\r\n socket_send('cancel')\r\n }\r\n })\r\n div.appendChild(btn)\r\n }\r\n//\r\n// local functions\r\n//\r\nfunction socket_open() {\r\n var url = \"ws://\"+mod.address.value+':'+mod.port.value\r\n mod.socket = new WebSocket(url)\r\n mod.socket.onopen = function(event) {\r\n mod.status.value = \"socket opened\"\r\n }\r\n mod.socket.onerror = function(event) {\r\n mod.status.value = \"can not open socket\"\r\n mod.socket = null\r\n }\r\n mod.socket.onmessage = function(event) {\r\n mod.status.value = event.data\r\n if ((event.data == 'done') || (event.data == 'cancel')\r\n || (event.data.slice(0,5) == 'error')) {\r\n mod.label.nodeValue = 'waiting for file'\r\n mod.labelspan.style.fontWeight = 'normal'\r\n }\r\n else if (event.data[0] === '{'){\r\n var printerInfo = JSON.parse(event.data)\r\n var printerList = printerInfo['printerList']\r\n if (printerList) {\r\n while (mod.printers.hasChildNodes()) {\r\n mod.printers.removeChild(mod.printers.lastChild);\r\n }\r\n\r\n for(var i = 0; i < printerList.length; i++){\r\n var printer = printerList[i];\r\n var el = document.createElement('option')\r\n el.textContent = printer\r\n el.value = printer\r\n mod.printers.appendChild(el)\r\n }\r\n var defaultPrinter = printerInfo['default']\r\n if(defaultPrinter && defaultPrinter.length>0){\r\n mod.printers.value = defaultPrinter\r\n }\r\n }\r\n }\r\n }\r\n }\r\nfunction socket_close() {\r\n mod.socket.close()\r\n mod.status.value = \"socket closed\"\r\n mod.socket = null\r\n }\r\nfunction socket_send(msg) {\r\n if (mod.socket != null) {\r\n mod.status.value = \"send\"\r\n mod.socket.send(msg)\r\n }\r\n else {\r\n mod.status.value = \"can't send, not open\"\r\n }\r\n }\r\n//\r\n// return values\r\n//\r\nreturn ({\r\n name:name,\r\n init:init,\r\n inputs:inputs,\r\n outputs:outputs,\r\n interface:interface\r\n })\r\n}())\r\n","top":"183","left":"1792","inputs":{},"outputs":{}}},"links":["{\"source\":\"{\\\"id\\\":\\\"0.07944144280928633\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"image\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.8903773266711255\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"image\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.47383876715576023\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"distances\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.3135579179893032\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"distances\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.3135579179893032\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"image\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.07944144280928633\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"image\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.2579125312478153\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"settings\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.9557599338778935\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"settings\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.9557599338778935\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"offset\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.3135579179893032\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"offset\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.9557599338778935\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"toolpath\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.2892270043957246\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"toolpath\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.8903773266711255\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"image\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.10309904694903338\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"image\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.10309904694903338\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"path\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.9557599338778935\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"path\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.9557599338778935\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"toolpath\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.9980172439474251\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"toolpath\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.5899953716607196\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"imageInfo\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.9557599338778935\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"imageInfo\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.5899953716607196\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"image\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.6488303557466412\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"image\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.9557599338778935\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"settings\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.9557599338778935\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"imageInfo\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.6488303557466412\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"image\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.47383876715576023\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"image\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.967564939861018\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"SVG\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.5899953716607196\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"SVG\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.9980172439474251\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"file\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.06350204937311554\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"file\\\"}\"}"]}
\ No newline at end of file
diff --git a/programs/machines/Roland/vinyl cutter/GX-24/cut sw b/programs/machines/Roland/vinyl cutter/GX-24/cut sw
new file mode 100644
index 0000000..250ba51
--- /dev/null
+++ b/programs/machines/Roland/vinyl cutter/GX-24/cut sw
@@ -0,0 +1 @@
+{"modules":{"0.47383876715576023":{"definition":"//\n// distance transform \n// assumes thresholded image, with zero intensity exterior\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2015,6\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the fab modules \n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'distance transform'\n//\n// initialization\n//\nvar init = function() {\n }\n//\n// inputs\n//\nvar inputs = {\n image:{type:'RGBA',\n event:function(evt){\n mod.input = evt.detail\n var ctx = mod.img.getContext(\"2d\")\n ctx.canvas.width = mod.input.width\n ctx.canvas.height = mod.input.height \n ctx.putImageData(mod.input,0,0)\n distance_transform()}}}\n//\n// outputs\n//\nvar outputs = {\n distances:{type:'F32',\n event:function(){\n mod.distances.height = mod.input.height\n mod.distances.width = mod.input.width\n mods.output(mod,'distances',mod.distances)}}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // on-screen drawing canvas\n //\n var canvas = document.createElement('canvas')\n canvas.width = mods.ui.canvas\n canvas.height = mods.ui.canvas\n canvas.style.backgroundColor = 'rgb(255,255,255)'\n div.appendChild(canvas)\n mod.canvas = canvas\n div.appendChild(document.createElement('br'))\n //\n // off-screen image canvas\n //\n var canvas = document.createElement('canvas')\n mod.img = canvas\n //\n // view button\n //\n div.appendChild(document.createElement('br'))\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('view'))\n btn.addEventListener('click',function(){\n var win = window.open('')\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n })\n win.document.body.appendChild(btn)\n win.document.body.appendChild(document.createElement('br'))\n var canvas = document.createElement('canvas')\n canvas.width = mod.img.width\n canvas.height = mod.img.height\n win.document.body.appendChild(canvas)\n var ctx = canvas.getContext(\"2d\")\n ctx.drawImage(mod.img,0,0)\n })\n div.appendChild(btn)\n }\n//\n// local functions\n//\n// distance transform function\n//\nfunction distance_transform() {\n var blob = new Blob(['('+worker.toString()+'())'])\n var url = window.URL.createObjectURL(blob)\n var webworker = new Worker(url)\n webworker.addEventListener('message',function(evt) {\n window.URL.revokeObjectURL(url)\n var h = mod.img.height\n var w = mod.img.width\n mod.distances = new Float32Array(evt.data.buffer)\n var imgbuf = new Uint8ClampedArray(h*w*4)\n var dmax = -Number.MAX_VALUE\n for (var y = 0; y < h; ++y) {\n for (var x = 0; x < w; ++x) {\n if (mod.distances[(h-1-y)*w+x] > dmax)\n dmax = mod.distances[(h-1-y)*w+x]\n }\n }\n var i\n for (var y = 0; y < h; ++y) {\n for (var x = 0; x < w; ++x) {\n i = 255*mod.distances[(h-1-y)*w+x]/dmax\n imgbuf[(h-1-y)*w*4+x*4+0] = i\n imgbuf[(h-1-y)*w*4+x*4+1] = i\n imgbuf[(h-1-y)*w*4+x*4+2] = i\n imgbuf[(h-1-y)*w*4+x*4+3] = 255\n }\n }\n var imgdata = new ImageData(imgbuf,w,h)\n var ctx = mod.img.getContext(\"2d\")\n ctx.putImageData(imgdata,0,0)\n if (w > h) {\n var x0 = 0\n var y0 = mod.canvas.height*.5*(1-h/w)\n var wd = mod.canvas.width\n var hd = mod.canvas.width*h/w\n }\n else {\n var x0 = mod.canvas.width*.5*(1-w/h)\n var y0 = 0\n var wd = mod.canvas.height*w/h\n var hd = mod.canvas.height\n }\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n ctx.drawImage(mod.img,x0,y0,wd,hd)\n webworker.terminate()\n outputs.distances.event()\n })\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n var ctx = mod.img.getContext(\"2d\")\n ctx.putImageData(mod.input,0,0)\n var img = ctx.getImageData(0,0,mod.img.width,mod.img.height)\n webworker.postMessage({\n height:mod.input.height,width:mod.input.width,\n buffer:img.data.buffer},\n [img.data.buffer])\n }\n//\n// distance transform worker\n//\nfunction worker() {\n self.addEventListener('message',function(evt) {\n var ny = evt.data.height\n var nx = evt.data.width\n var input = new Uint8ClampedArray(evt.data.buffer)\n var output = new Float32Array(nx*ny)\n function distance(g,x,y,i) {\n return ((y-i)*(y-i)+g[i][x]*g[i][x])\n }\n function intersection(g,x,y0,y1) {\n return ((g[y0][x]*g[y0][x]-g[y1][x]*g[y1][x]+y0*y0-y1*y1)/(2.0*(y0-y1)))\n }\n //\n // allocate arrays\n //\n var g = []\n for (var y = 0; y < ny; ++y)\n g[y] = new Uint32Array(nx)\n var h = []\n for (var y = 0; y < ny; ++y)\n h[y] = new Uint32Array(nx)\n var distances = []\n for (var y = 0; y < ny; ++y)\n distances[y] = new Uint32Array(nx)\n var starts = new Uint32Array(ny)\n var minimums = new Uint32Array(ny)\n var d\n //\n // column scan\n // \n for (var y = 0; y < ny; ++y) {\n //\n // right pass\n //\n var closest = -nx\n for (var x = 0; x < nx; ++x) {\n if (input[(ny-1-y)*nx*4+x*4+0] != 0) {\n g[y][x] = 0\n closest = x\n }\n else\n g[y][x] = (x-closest)\n }\n //\n // left pass\n //\n closest = 2*nx\n for (var x = (nx-1); x >= 0; --x) {\n if (input[(ny-1-y)*nx*4+x*4+0] != 0)\n closest = x\n else {\n d = (closest-x)\n if (d < g[y][x])\n g[y][x] = d\n }\n }\n }\n //\n // row scan\n //\n for (var x = 0; x < nx; ++x) {\n var segment = 0\n starts[0] = 0\n minimums[0] = 0\n //\n // down \n //\n for (var y = 1; y < ny; ++y) {\n while ((segment >= 0) &&\n (distance(g,x,starts[segment],minimums[segment]) > distance(g,x,starts[segment],y)))\n segment -= 1\n if (segment < 0) {\n segment = 0\n minimums[0] = y\n }\n else {\n newstart = 1+intersection(g,x,minimums[segment],y)\n if (newstart < ny) {\n segment += 1\n minimums[segment] = y\n starts[segment] = newstart\n }\n }\n }\n //\n // up \n //\n for (var y = (ny-1); y >= 0; --y) {\n d = Math.sqrt(distance(g,x,y,minimums[segment]))\n output[(ny-1-y)*nx+x] = d\n if (y == starts[segment])\n segment -= 1\n }\n }\n self.postMessage({buffer:output.buffer},[output.buffer])\n })\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"160","left":"2141","inputs":{},"outputs":{}},"0.07944144280928633":{"definition":"//\n// edge detect\n// green = interior, blue = exterior, red = boundary\n// assumes input is thresholded\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2015,6\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the fab modules \n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'edge detect'\n//\n// initialization\n//\nvar init = function() {\n }\n//\n// inputs\n//\nvar inputs = {\n image:{type:'RGBA',\n event:function(evt){\n mod.input = evt.detail\n var ctx = mod.img.getContext(\"2d\")\n ctx.canvas.width = mod.input.width\n ctx.canvas.height = mod.input.height \n ctx.putImageData(mod.input,0,0)\n edge_detect()}}}\n//\n// outputs\n//\nvar outputs = {\n image:{type:'RGBA',\n event:function(){\n var ctx = mod.img.getContext(\"2d\")\n var img = ctx.getImageData(0,0,mod.img.width,mod.img.height)\n mods.output(mod,'image',img)}}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // on-screen drawing canvas\n //\n var canvas = document.createElement('canvas')\n canvas.width = mods.ui.canvas\n canvas.height = mods.ui.canvas\n canvas.style.backgroundColor = 'rgb(255,255,255)'\n div.appendChild(canvas)\n mod.canvas = canvas\n div.appendChild(document.createElement('br'))\n //\n // off-screen image canvas\n //\n var canvas = document.createElement('canvas')\n mod.img = canvas\n //\n // view button\n //\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('view'))\n btn.addEventListener('click',function(){\n var win = window.open('')\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n })\n win.document.body.appendChild(btn)\n win.document.body.appendChild(document.createElement('br'))\n win.document.body.appendChild(document.createTextNode('green:interior, blue:exterior, red:boundary'))\n win.document.body.appendChild(document.createElement('br'))\n var canvas = document.createElement('canvas')\n canvas.width = mod.img.width\n canvas.height = mod.img.height\n win.document.body.appendChild(canvas)\n var ctx = canvas.getContext(\"2d\")\n ctx.drawImage(mod.img,0,0)\n })\n div.appendChild(btn)\n }\n//\n// local functions\n//\n// edge detect\n//\nfunction edge_detect() {\n var blob = new Blob(['('+worker.toString()+'())'])\n var url = window.URL.createObjectURL(blob)\n var webworker = new Worker(url)\n webworker.addEventListener('message',function(evt) {\n window.URL.revokeObjectURL(url)\n var h = mod.img.height\n var w = mod.img.width\n var buf = new Uint8ClampedArray(evt.data.buffer)\n var imgdata = new ImageData(buf,w,h)\n var ctx = mod.img.getContext(\"2d\")\n ctx.putImageData(imgdata,0,0)\n if (w > h) {\n var x0 = 0\n var y0 = mod.canvas.height*.5*(1-h/w)\n var wd = mod.canvas.width\n var hd = mod.canvas.width*h/w\n }\n else {\n var x0 = mod.canvas.width*.5*(1-w/h)\n var y0 = 0\n var wd = mod.canvas.height*w/h\n var hd = mod.canvas.height\n }\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n ctx.drawImage(mod.img,x0,y0,wd,hd)\n webworker.terminate()\n outputs.image.event()\n })\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n webworker.postMessage({worker:worker.toString(),\n height:mod.input.height,width:mod.input.width,\n buffer:mod.input.data.buffer},\n [mod.input.data.buffer])\n }\nfunction worker() {\n self.addEventListener('message',function(evt) {\n var h = evt.data.height\n var w = evt.data.width\n var input = new Uint8ClampedArray(evt.data.buffer)\n var output = new Uint8ClampedArray(h*w*4)\n var i00,i0m,i0p,im0,ip0,imm,imp,ipm,ipp,row,col\n //\n // find edges - interior\n //\n for (row = 1; row < (h-1); ++row) {\n for (col = 1; col < (w-1); ++col) {\n i00 = (input[(h-1-row)*w*4+col*4+0] \n +input[(h-1-row)*w*4+col*4+1] \n +input[(h-1-row)*w*4+col*4+2])\n i0p = (input[(h-1-row)*w*4+(col+1)*4+0] \n +input[(h-1-row)*w*4+(col+1)*4+1] \n +input[(h-1-row)*w*4+(col+1)*4+2])\n ip0 = (input[(h-2-row)*w*4+col*4+0] \n +input[(h-2-row)*w*4+col*4+1] \n +input[(h-2-row)*w*4+col*4+2])\n ipp = (input[(h-2-row)*w*4+(col+1)*4+0] \n +input[(h-2-row)*w*4+(col+1)*4+1] \n +input[(h-2-row)*w*4+(col+1)*4+2])\n i0m = (input[(h-1-row)*w*4+(col-1)*4+0] \n +input[(h-1-row)*w*4+(col-1)*4+1] \n +input[(h-1-row)*w*4+(col-1)*4+2])\n im0 = (input[(h-row)*w*4+col*4+0] \n +input[(h-row)*w*4+col*4+1] \n +input[(h-row)*w*4+col*4+2])\n imm = (input[(h-row)*w*4+(col-1)*4+0] \n +input[(h-row)*w*4+(col-1)*4+1] \n +input[(h-row)*w*4+(col-1)*4+2])\n imp = (input[(h-row)*w*4+(col+1)*4+0] \n +input[(h-row)*w*4+(col+1)*4+1] \n +input[(h-row)*w*4+(col+1)*4+2])\n ipm = (input[(h-2-row)*w*4+(col-1)*4+0] \n +input[(h-2-row)*w*4+(col-1)*4+1] \n +input[(h-2-row)*w*4+(col-1)*4+2])\n if ((i00 != i0p) || (i00 != ip0) || (i00 != ipp) \n || (i00 != i0m) || (i00 != im0) || (i00 != imm)\n || (i00 != imp) || (i00 != ipm)) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else if (i00 == 0) {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n }\n }\n //\n // left and right edges\n //\n for (row = 1; row < (h-1); ++row) {\n col = w-1\n i00 = (input[(h-1-row)*w*4+col*4+0] \n +input[(h-1-row)*w*4+col*4+1] \n +input[(h-1-row)*w*4+col*4+2])\n i0m = (input[(h-1-row)*w*4+(col-1)*4+0] \n +input[(h-1-row)*w*4+(col-1)*4+1] \n +input[(h-1-row)*w*4+(col-1)*4+2])\n imm = (input[(h-row)*w*4+(col-1)*4+0] \n +input[(h-row)*w*4+(col-1)*4+1] \n +input[(h-row)*w*4+(col-1)*4+2])\n ipm = (input[(h-2-row)*w*4+(col-1)*4+0] \n +input[(h-2-row)*w*4+(col-1)*4+1] \n +input[(h-2-row)*w*4+(col-1)*4+2])\n im0 = (input[(h-row)*w*4+col*4+0] \n +input[(h-row)*w*4+col*4+1] \n +input[(h-row)*w*4+col*4+2])\n ip0 = (input[(h-2-row)*w*4+col*4+0] \n +input[(h-2-row)*w*4+col*4+1] \n +input[(h-2-row)*w*4+col*4+2])\n if ((i00 != i0m) || (i00 != ip0) || (i00 != ipm) \n || (i00 != im0) || (i00 != imm)) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else if (i00 == 0) {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n col = 0\n i00 = (input[(h-1-row)*w*4+col*4+0] \n +input[(h-1-row)*w*4+col*4+1] \n +input[(h-1-row)*w*4+col*4+2])\n i0p = (input[(h-1-row)*w*4+(col+1)*4+0] \n +input[(h-1-row)*w*4+(col+1)*4+1] \n +input[(h-1-row)*w*4+(col+1)*4+2])\n imp = (input[(h-row)*w*4+(col+1)*4+0] \n +input[(h-row)*w*4+(col+1)*4+1] \n +input[(h-row)*w*4+(col+1)*4+2])\n ipp = (input[(h-2-row)*w*4+(col+1)*4+0] \n +input[(h-2-row)*w*4+(col+1)*4+1] \n +input[(h-2-row)*w*4+(col+1)*4+2])\n im0 = (input[(h-row)*w*4+col*4+0] \n +input[(h-row)*w*4+col*4+1] \n +input[(h-row)*w*4+col*4+2])\n ip0 = (input[(h-2-row)*w*4+col*4+0] \n +input[(h-2-row)*w*4+col*4+1] \n +input[(h-2-row)*w*4+col*4+2])\n if ((i00 != i0p) || (i00 != ip0) || (i00 != ipp) \n || (i00 != im0) || (i00 != imp)) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else if (i00 == 0) {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n }\n //\n // top and bottom edges\n //\n for (col = 1; col < (w-1); ++col) {\n row = h-1\n i00 = (input[(h-1-row)*w*4+col*4+0] \n +input[(h-1-row)*w*4+col*4+1] \n +input[(h-1-row)*w*4+col*4+2])\n i0m = (input[(h-1-row)*w*4+(col-1)*4+0] \n +input[(h-1-row)*w*4+(col-1)*4+1] \n +input[(h-1-row)*w*4+(col-1)*4+2])\n i0p = (input[(h-1-row)*w*4+(col+1)*4+0] \n +input[(h-1-row)*w*4+(col+1)*4+1] \n +input[(h-1-row)*w*4+(col+1)*4+2])\n imm = (input[(h-row)*w*4+(col-1)*4+0] \n +input[(h-row)*w*4+(col-1)*4+1] \n +input[(h-row)*w*4+(col-1)*4+2])\n im0 = (input[(h-row)*w*4+col*4+0] \n +input[(h-row)*w*4+col*4+1] \n +input[(h-row)*w*4+col*4+2])\n imp = (input[(h-row)*w*4+(col+1)*4+0] \n +input[(h-row)*w*4+(col+1)*4+1] \n +input[(h-row)*w*4+(col+1)*4+2])\n if ((i00 != i0m) || (i00 != i0p) || (i00 != imm) \n || (i00 != im0) || (i00 != imp)) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else if (i00 == 0) {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n row = 0\n i00 = (input[(h-1-row)*w*4+col*4+0] \n +input[(h-1-row)*w*4+col*4+1] \n +input[(h-1-row)*w*4+col*4+2])\n i0m = (input[(h-1-row)*w*4+(col-1)*4+0] \n +input[(h-1-row)*w*4+(col-1)*4+1] \n +input[(h-1-row)*w*4+(col-1)*4+2])\n i0p = (input[(h-1-row)*w*4+(col+1)*4+0] \n +input[(h-1-row)*w*4+(col+1)*4+1] \n +input[(h-1-row)*w*4+(col+1)*4+2])\n ipm = (input[(h-2-row)*w*4+(col-1)*4+0] \n +input[(h-2-row)*w*4+(col-1)*4+1] \n +input[(h-2-row)*w*4+(col-1)*4+2])\n ip0 = (input[(h-2-row)*w*4+col*4+0] \n +input[(h-2-row)*w*4+col*4+1] \n +input[(h-2-row)*w*4+col*4+2])\n ipp = (input[(h-2-row)*w*4+(col+1)*4+0] \n +input[(h-2-row)*w*4+(col+1)*4+1] \n +input[(h-2-row)*w*4+(col+1)*4+2])\n if ((i00 != i0m) || (i00 != i0p) || (i00 != ipm) \n || (i00 != ip0) || (i00 != ipp)) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else if (i00 == 0) {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n }\n //\n // corners\n //\n row = 0\n col = 0\n i00 = (input[(h-1-row)*w*4+col*4+0] \n +input[(h-1-row)*w*4+col*4+1] \n +input[(h-1-row)*w*4+col*4+2])\n i0p = (input[(h-1-row)*w*4+(col+1)*4+0] \n +input[(h-1-row)*w*4+(col+1)*4+1] \n +input[(h-1-row)*w*4+(col+1)*4+2])\n ip0 = (input[(h-2-row)*w*4+col*4+0] \n +input[(h-2-row)*w*4+col*4+1] \n +input[(h-2-row)*w*4+col*4+2])\n ipp = (input[(h-2-row)*w*4+(col+1)*4+0] \n +input[(h-2-row)*w*4+(col+1)*4+1] \n +input[(h-2-row)*w*4+(col+1)*4+2])\n if ((i00 != i0p) || (i00 != ip0) || (i00 != ipp)) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else if (i00 == 0) {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n row = 0\n col = w-1\n i00 = (input[(h-1-row)*w*4+col*4+0] \n +input[(h-1-row)*w*4+col*4+1] \n +input[(h-1-row)*w*4+col*4+2])\n i0m = (input[(h-1-row)*w*4+(col-1)*4+0] \n +input[(h-1-row)*w*4+(col-1)*4+1] \n +input[(h-1-row)*w*4+(col-1)*4+2])\n ip0 = (input[(h-2-row)*w*4+col*4+0] \n +input[(h-2-row)*w*4+col*4+1] \n +input[(h-2-row)*w*4+col*4+2])\n ipm = (input[(h-2-row)*w*4+(col-1)*4+0] \n +input[(h-2-row)*w*4+(col-1)*4+1] \n +input[(h-2-row)*w*4+(col-1)*4+2])\n if ((i00 != i0m) || (i00 != ip0) || (i00 != ipm)) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else if (i00 == 0) {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n row = h-1\n col = 0\n i00 = (input[(h-1-row)*w*4+col*4+0] \n +input[(h-1-row)*w*4+col*4+1] \n +input[(h-1-row)*w*4+col*4+2])\n i0p = (input[(h-1-row)*w*4+(col+1)*4+0] \n +input[(h-1-row)*w*4+(col+1)*4+1] \n +input[(h-1-row)*w*4+(col+1)*4+2])\n im0 = (input[(h-row)*w*4+col*4+0] \n +input[(h-row)*w*4+col*4+1] \n +input[(h-row)*w*4+col*4+2])\n imp = (input[(h-row)*w*4+(col+1)*4+0] \n +input[(h-row)*w*4+(col+1)*4+1] \n +input[(h-row)*w*4+(col+1)*4+2])\n if ((i00 != i0p) || (i00 != im0) || (i00 != imp)) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else if (i00 == 0) {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n row = h-1\n col = w-1\n i00 = (input[(h-1-row)*w*4+col*4+0] \n +input[(h-1-row)*w*4+col*4+1] \n +input[(h-1-row)*w*4+col*4+2])\n i0m = (input[(h-1-row)*w*4+(col-1)*4+0] \n +input[(h-1-row)*w*4+(col-1)*4+1] \n +input[(h-1-row)*w*4+(col-1)*4+2])\n im0 = (input[(h-row)*w*4+col*4+0] \n +input[(h-row)*w*4+col*4+1] \n +input[(h-row)*w*4+col*4+2])\n imm = (input[(h-row)*w*4+(col-1)*4+0] \n +input[(h-row)*w*4+(col-1)*4+1] \n +input[(h-row)*w*4+(col-1)*4+2])\n if ((i00 != i0m) || (i00 != im0) || (i00 != imm)) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else if (i00 == 0) {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n self.postMessage({buffer:output.buffer},[output.buffer])\n })\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"613","left":"2156","inputs":{},"outputs":{}},"0.8903773266711255":{"definition":"//\n// orient edges\n// input is green:interior, blue:exterior, red:boundary\n// output is red 128:north,64:south, green 128:east,64:west, blue 128:start,64:stop\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2016\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the fab modules \n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'orient edges'\n//\n// initialization\n//\nvar init = function() {\n }\n//\n// inputs\n//\nvar inputs = {\n image:{type:'RGBA',\n event:function(evt){\n mod.input = evt.detail\n var ctx = mod.img.getContext(\"2d\")\n ctx.canvas.width = mod.input.width\n ctx.canvas.height = mod.input.height \n ctx.putImageData(mod.input,0,0)\n var ctx = mod.display.getContext(\"2d\")\n ctx.canvas.width = mod.input.width\n ctx.canvas.height = mod.input.height \n orient_edges()\n }}}\n//\n// outputs\n//\nvar outputs = {\n image:{type:'RGBA',\n event:function(){\n var ctx = mod.img.getContext(\"2d\")\n var img = ctx.getImageData(0,0,mod.img.width,mod.img.height)\n mods.output(mod,'image',img)}}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // on-screen drawing canvas\n //\n var canvas = document.createElement('canvas')\n canvas.width = mods.ui.canvas\n canvas.height = mods.ui.canvas\n canvas.style.backgroundColor = 'rgb(255,255,255)'\n div.appendChild(canvas)\n mod.canvas = canvas\n div.appendChild(document.createElement('br'))\n //\n // off-screen image canvas\n //\n var canvas = document.createElement('canvas')\n mod.img = canvas\n //\n // off-screen display canvas\n //\n var canvas = document.createElement('canvas')\n mod.display = canvas\n //\n // view button\n //\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('view'))\n btn.addEventListener('click',function(){\n var win = window.open('')\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n })\n win.document.body.appendChild(btn)\n win.document.body.appendChild(document.createElement('br'))\n win.document.body.appendChild(document.createTextNode('red:north, dark red:south'))\n win.document.body.appendChild(document.createElement('br'))\n win.document.body.appendChild(document.createTextNode('green:east, dark green:west'))\n win.document.body.appendChild(document.createElement('br'))\n win.document.body.appendChild(document.createTextNode('blue:start, dark blue:stop'))\n win.document.body.appendChild(document.createElement('br'))\n var canvas = document.createElement('canvas')\n canvas.width = mod.img.width\n canvas.height = mod.img.height\n win.document.body.appendChild(canvas)\n var ctx = canvas.getContext(\"2d\")\n ctx.drawImage(mod.display,0,0)\n })\n div.appendChild(btn)\n }\n//\n// local functions\n//\n// orient edges\n//\nfunction orient_edges() {\n var blob = new Blob(['('+worker.toString()+'())'])\n var url = window.URL.createObjectURL(blob)\n var webworker = new Worker(url)\n webworker.addEventListener('message',function(evt) {\n window.URL.revokeObjectURL(url)\n var h = mod.img.height\n var w = mod.img.width\n var buf = new Uint8ClampedArray(evt.data.buffer)\n var imgdata = new ImageData(buf,w,h)\n var ctx = mod.img.getContext(\"2d\")\n ctx.putImageData(imgdata,0,0)\n var disp = new Uint8ClampedArray(evt.data.display)\n var dispdata = new ImageData(disp,w,h)\n var ctx = mod.display.getContext(\"2d\")\n ctx.putImageData(dispdata,0,0)\n if (w > h) {\n var x0 = 0\n var y0 = mod.canvas.height*.5*(1-h/w)\n var wd = mod.canvas.width\n var hd = mod.canvas.width*h/w\n }\n else {\n var x0 = mod.canvas.width*.5*(1-w/h)\n var y0 = 0\n var wd = mod.canvas.height*w/h\n var hd = mod.canvas.height\n }\n var w = mod.canvas.width\n var h = mod.canvas.height\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,w,h)\n ctx.drawImage(mod.display,x0,y0,wd,hd)\n webworker.terminate()\n outputs.image.event()\n })\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n webworker.postMessage({\n height:mod.input.height,width:mod.input.width,\n buffer:mod.input.data.buffer},\n [mod.input.data.buffer])\n }\nfunction worker() {\n self.addEventListener('message',function(evt) {\n var h = evt.data.height\n var w = evt.data.width\n var input = new Uint8ClampedArray(evt.data.buffer)\n var output = new Uint8ClampedArray(h*w*4)\n var row,col\n var boundary = 0\n var interior = 1\n var exterior = 2\n var alpha = 3\n var northsouth = 0\n var north = 128\n var south = 64\n var eastwest = 1\n var east = 128\n var west = 64\n var startstop = 2\n var start = 128\n var stop = 64\n //\n // orient body states\n //\n for (row = 1; row < (h-1); ++row) {\n for (col = 1; col < (w-1); ++col) {\n output[(h-1-row)*w*4+col*4+northsouth] = 0\n output[(h-1-row)*w*4+col*4+eastwest] = 0\n output[(h-1-row)*w*4+col*4+startstop] = 0\n output[(h-1-row)*w*4+col*4+alpha] = 255\n if (input[(h-1-(row))*w*4+(col)*4+boundary] != 0) {\n if ((input[(h-1-(row+1))*w*4+(col)*4+boundary] != 0)\n && ((input[(h-1-(row))*w*4+(col+1)*4+interior] != 0)\n || (input[(h-1-(row+1))*w*4+(col+1)*4+interior] != 0)))\n output[(h-1-row)*w*4+col*4+northsouth] |= north\n if ((input[(h-1-(row-1))*w*4+(col)*4+boundary] != 0)\n && ((input[(h-1-(row))*w*4+(col-1)*4+interior] != 0)\n || (input[(h-1-(row-1))*w*4+(col-1)*4+interior] != 0)))\n output[(h-1-row)*w*4+col*4+northsouth] |= south\n if ((input[(h-1-(row))*w*4+(col+1)*4+boundary] != 0)\n && ((input[(h-1-(row-1))*w*4+(col)*4+interior] != 0)\n || (input[(h-1-(row-1))*w*4+(col+1)*4+interior] != 0)))\n output[(h-1-row)*w*4+col*4+eastwest] |= east\n if ((input[(h-1-(row))*w*4+(col-1)*4+boundary] != 0)\n && ((input[(h-1-(row+1))*w*4+(col)*4+interior] != 0)\n || (input[(h-1-(row+1))*w*4+(col-1)*4+interior] != 0)))\n output[(h-1-row)*w*4+col*4+eastwest] |= west\n }\n }\n }\n //\n // orient edge states\n //\n for (col = 1; col < (w-1); ++col) {\n row = 0\n output[(h-1-row)*w*4+col*4+northsouth] = 0\n output[(h-1-row)*w*4+col*4+eastwest] = 0\n output[(h-1-row)*w*4+col*4+startstop] = 0\n output[(h-1-row)*w*4+col*4+alpha] = 255\n if (input[(h-1-(row))*w*4+(col)*4+boundary] != 0) {\n if ((input[(h-1-(row+1))*w*4+(col)*4+boundary] != 0)\n && (input[(h-1-(row))*w*4+(col+1)*4+interior] != 0)) {\n output[(h-1-row)*w*4+col*4+northsouth] |= north\n output[(h-1-row)*w*4+col*4+startstop] |= start\n }\n if (input[(h-1-(row))*w*4+(col-1)*4+interior] != 0)\n output[(h-1-row)*w*4+col*4+startstop] |= stop\n }\n row = h-1\n output[(h-1-row)*w*4+col*4+northsouth] = 0\n output[(h-1-row)*w*4+col*4+eastwest] = 0\n output[(h-1-row)*w*4+col*4+startstop] = 0\n output[(h-1-row)*w*4+col*4+alpha] = 255\n if (input[(h-1-(row))*w*4+(col)*4+boundary] != 0) {\n if (input[(h-1-(row))*w*4+(col+1)*4+interior] != 0)\n output[(h-1-row)*w*4+col*4+startstop] |= stop\n if ((input[(h-1-(row-1))*w*4+(col)*4+boundary] != 0)\n && (input[(h-1-(row))*w*4+(col-1)*4+interior] != 0)) {\n output[(h-1-row)*w*4+col*4+northsouth] |= south\n output[(h-1-row)*w*4+col*4+startstop] |= start\n }\n }\n }\n for (row = 1; row < (h-1); ++row) {\n col = 0\n output[(h-1-row)*w*4+col*4+northsouth] = 0\n output[(h-1-row)*w*4+col*4+eastwest] = 0\n output[(h-1-row)*w*4+col*4+startstop] = 0\n output[(h-1-row)*w*4+col*4+alpha] = 255\n if (input[(h-1-(row))*w*4+(col)*4+boundary] != 0) {\n if ((input[(h-1-(row))*w*4+(col+1)*4+boundary] != 0)\n && (input[(h-1-(row-1))*w*4+(col)*4+interior] != 0)) {\n output[(h-1-row)*w*4+col*4+eastwest] |= east\n output[(h-1-row)*w*4+col*4+startstop] |= start\n }\n if (input[(h-1-(row+1))*w*4+(col)*4+interior] != 0)\n output[(h-1-row)*w*4+col*4+startstop] |= stop\n }\n col = w-1\n output[(h-1-row)*w*4+col*4+northsouth] = 0\n output[(h-1-row)*w*4+col*4+eastwest] = 0\n output[(h-1-row)*w*4+col*4+startstop] = 0\n output[(h-1-row)*w*4+col*4+alpha] = 255\n if (input[(h-1-(row))*w*4+(col)*4+boundary] != 0) {\n if (input[(h-1-(row-1))*w*4+(col)*4+interior] != 0)\n output[(h-1-row)*w*4+col*4+startstop] |= stop\n if ((input[(h-1-(row))*w*4+(col-1)*4+boundary] != 0)\n && (input[(h-1-(row+1))*w*4+(col)*4+interior] != 0)) {\n output[(h-1-row)*w*4+col*4+eastwest] |= west\n output[(h-1-row)*w*4+col*4+startstop] |= start\n }\n }\n }\n //\n // orient corner states (todo)\n //\n row = 0\n col = 0\n output[(h-1-row)*w*4+col*4+northsouth] = 0\n output[(h-1-row)*w*4+col*4+eastwest] = 0\n output[(h-1-row)*w*4+col*4+startstop] = 0\n output[(h-1-row)*w*4+col*4+alpha] = 255\n row = h-1\n col = 0\n output[(h-1-row)*w*4+col*4+northsouth] = 0\n output[(h-1-row)*w*4+col*4+eastwest] = 0\n output[(h-1-row)*w*4+col*4+startstop] = 0\n output[(h-1-row)*w*4+col*4+alpha] = 255\n row = 0\n col = w-1\n output[(h-1-row)*w*4+col*4+northsouth] = 0\n output[(h-1-row)*w*4+col*4+eastwest] = 0\n output[(h-1-row)*w*4+col*4+startstop] = 0\n output[(h-1-row)*w*4+col*4+alpha] = 255\n row = h-1\n col = w-1\n output[(h-1-row)*w*4+col*4+northsouth] = 0\n output[(h-1-row)*w*4+col*4+eastwest] = 0\n output[(h-1-row)*w*4+col*4+startstop] = 0\n output[(h-1-row)*w*4+col*4+alpha] = 255\n //\n // invert background for display\n //\n var display = new Uint8ClampedArray(h*w*4)\n var r,g,b,i\n for (row = 0; row < h; ++row) {\n for (col = 0; col < w; ++col) {\n r = output[(h-1-row)*w*4+col*4+0]\n g = output[(h-1-row)*w*4+col*4+1]\n b = output[(h-1-row)*w*4+col*4+2]\n i = r+g+b\n if (i != 0) { \n display[(h-1-row)*w*4+col*4+0] = output[(h-1-row)*w*4+col*4+0]\n display[(h-1-row)*w*4+col*4+1] = output[(h-1-row)*w*4+col*4+1]\n display[(h-1-row)*w*4+col*4+2] = output[(h-1-row)*w*4+col*4+2]\n display[(h-1-row)*w*4+col*4+3] = output[(h-1-row)*w*4+col*4+3]\n }\n else {\n display[(h-1-row)*w*4+col*4+0] = 255\n display[(h-1-row)*w*4+col*4+1] = 255\n display[(h-1-row)*w*4+col*4+2] = 255\n display[(h-1-row)*w*4+col*4+3] = 255\n }\n }\n }\n //\n // return output\n //\n self.postMessage({buffer:output.buffer,display:display.buffer},[output.buffer,display.buffer])\n })\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"499","left":"1686","inputs":{},"outputs":{}},"0.3135579179893032":{"definition":"//\n// distance transform \n// assumes thresholded image, with zero intensity exterior\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2015,6\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the fab modules \n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'offset'\n//\n// initialization\n//\nvar init = function() {\n mod.offset.value = ''\n }\n//\n// inputs\n//\nvar inputs = {\n distances:{type:'F32',\n event:function(evt){\n mod.distances = evt.detail\n var h = mod.distances.height\n var w = mod.distances.width\n var ctx = mod.img.getContext(\"2d\")\n ctx.canvas.height = mod.distances.height \n ctx.canvas.width = mod.distances.width\n if (mod.offset.value != '')\n offset()\n }},\n offset:{type:'number',\n event:function(evt){\n mod.offset.value = evt.detail\n offset()}}}\n//\n// outputs\n//\nvar outputs = {\n image:{type:'RGBA',\n event:function(){\n var ctx = mod.img.getContext(\"2d\")\n var img = ctx.getImageData(0,0,mod.img.width,mod.img.height)\n mods.output(mod,'image',img)}}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // on-screen drawing canvas\n //\n var canvas = document.createElement('canvas')\n canvas.width = mods.ui.canvas\n canvas.height = mods.ui.canvas\n canvas.style.backgroundColor = 'rgb(255,255,255)'\n div.appendChild(canvas)\n mod.canvas = canvas\n div.appendChild(document.createElement('br'))\n //\n // off-screen image canvas\n //\n var canvas = document.createElement('canvas')\n mod.img = canvas\n //\n // offset value\n //\n div.appendChild(document.createTextNode('offset (pixels): '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('change',function(){\n offset()\n })\n div.appendChild(input)\n mod.offset = input\n //\n // view button\n //\n div.appendChild(document.createElement('br'))\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('view'))\n btn.addEventListener('click',function(){\n var win = window.open('')\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n })\n win.document.body.appendChild(btn)\n win.document.body.appendChild(document.createElement('br'))\n var canvas = document.createElement('canvas')\n canvas.width = mod.img.width\n canvas.height = mod.img.height\n win.document.body.appendChild(canvas)\n var ctx = canvas.getContext(\"2d\")\n ctx.drawImage(mod.img,0,0)\n })\n div.appendChild(btn)\n }\n//\n// local functions\n//\n// offset\n//\nfunction offset() {\n var blob = new Blob(['('+worker.toString()+'())'])\n var url = window.URL.createObjectURL(blob)\n var webworker = new Worker(url)\n webworker.addEventListener('message',function(evt) {\n window.URL.revokeObjectURL(url)\n var h = mod.distances.height\n var w = mod.distances.width\n var buf = new Uint8ClampedArray(evt.data.buffer)\n var imgdata = new ImageData(buf,w,h)\n var ctx = mod.img.getContext(\"2d\")\n ctx.putImageData(imgdata,0,0)\n if (w > h) {\n var x0 = 0\n var y0 = mod.canvas.height*.5*(1-h/w)\n var wd = mod.canvas.width\n var hd = mod.canvas.width*h/w\n }\n else {\n var x0 = mod.canvas.width*.5*(1-w/h)\n var y0 = 0\n var wd = mod.canvas.height*w/h\n var hd = mod.canvas.height\n }\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n ctx.drawImage(mod.img,x0,y0,wd,hd)\n webworker.terminate()\n outputs.image.event()\n })\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n var offset = parseFloat(mod.offset.value)\n webworker.postMessage({\n height:mod.distances.height,width:mod.distances.width,\n offset:offset,buffer:mod.distances.buffer})\n }\n//\n// offset worker\n//\nfunction worker() {\n self.addEventListener('message',function(evt) {\n var h = evt.data.height\n var w = evt.data.width\n var offset = evt.data.offset\n var input = new Float32Array(evt.data.buffer)\n var output = new Uint8ClampedArray(4*h*w)\n for (var row = 0; row < h; ++row) {\n for (var col = 0; col < w; ++col) {\n if (input[(h-1-row)*w+col] <= offset) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n }\n }\n self.postMessage({buffer:output.buffer},[output.buffer])\n })\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"261","left":"2668","inputs":{},"outputs":{}},"0.17844113591127098":{"definition":"//\n// cut raster\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2016\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the fab modules \n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'cut raster'\n//\n// initialization\n//\nvar init = function() {\n mod.in.value = 0.010\n mod.mm.value = 25.4*0.010\n }\n//\n// inputs\n//\nvar inputs = {\n imageInfo:{type:'object',\n event:function(evt){\n mod.name = evt.detail.name\n mod.dpi = evt.detail.dpi\n mod.width = evt.detail.width\n mod.height = evt.detail.height\n }},\n path:{type:'array',\n event:function(evt){\n if (mod.label.nodeValue == 'calculating') {\n mod.label.nodeValue = 'calculate'\n mod.labelspan.style.fontWeight = 'normal'\n mod.path = evt.detail\n outputs.toolpath.event()\n }\n }}}\n//\n// outputs\n//\nvar outputs = {\n offset:{type:'number',\n event:function(){\n var pixels = 0.5*parseFloat(mod.in.value)*mod.dpi\n mods.output(mod,'offset',pixels)\n }},\n toolpath:{type:'object',\n event:function(){\n cmd = {}\n cmd.path = mod.path\n cmd.name = mod.name\n cmd.dpi = mod.dpi\n cmd.width = mod.width\n cmd.height = mod.height\n mods.output(mod,'toolpath',cmd)\n }}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n div.appendChild(document.createTextNode('tool diameter'))\n div.appendChild(document.createElement('br'))\n div.appendChild(document.createTextNode('mm: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('input',function(){\n mod.in.value = parseFloat(mod.mm.value)/25.4\n })\n div.appendChild(input)\n mod.mm = input\n div.appendChild(document.createElement('br'))\n div.appendChild(document.createTextNode('in: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('input',function(){\n mod.mm.value = parseFloat(mod.in.value)*25.4\n })\n div.appendChild(input)\n mod.in = input\n div.appendChild(document.createElement('br'))\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n var span = document.createElement('span')\n var text = document.createTextNode('calculate')\n mod.label = text\n span.appendChild(text)\n mod.labelspan = span\n btn.appendChild(span)\n btn.addEventListener('click',function(){\n mod.label.nodeValue = 'calculating'\n mod.labelspan.style.fontWeight = 'bold'\n outputs.offset.event()\n })\n div.appendChild(btn)\n }\n//\n// local functions\n//\n;\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n\n","top":"87","left":"558","inputs":{},"outputs":{}},"0.6488303557466412":{"definition":"//\n// image threshold\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2015,6\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the fab modules \n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'image threshold'\n//\n// initialization\n//\nvar init = function() {\n mod.threshold.value = 0.5\n }\n//\n// inputs\n//\nvar inputs = {\n image:{type:'RGBA',\n event:function(evt){\n mod.input = evt.detail\n var ctx = mod.img.getContext(\"2d\")\n ctx.canvas.width = mod.input.width\n ctx.canvas.height = mod.input.height \n ctx.putImageData(mod.input,0,0)\n threshold_image()}}}\n//\n// outputs\n//\nvar outputs = {\n image:{type:'RGBA',\n event:function(){\n var ctx = mod.img.getContext(\"2d\")\n var img = ctx.getImageData(0,0,mod.img.width,mod.img.height)\n mods.output(mod,'image',img)}}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // on-screen drawing canvas\n //\n var canvas = document.createElement('canvas')\n canvas.width = mods.ui.canvas\n canvas.height = mods.ui.canvas\n canvas.style.backgroundColor = 'rgb(255,255,255)'\n div.appendChild(canvas)\n mod.canvas = canvas\n div.appendChild(document.createElement('br'))\n //\n // off-screen image canvas\n //\n var canvas = document.createElement('canvas')\n mod.img = canvas\n //\n // threshold value\n //\n div.appendChild(document.createTextNode('threshold (0-1): '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('change',function(){\n threshold_image()\n })\n div.appendChild(input)\n mod.threshold = input\n div.appendChild(document.createElement('br'))\n //\n // view button\n //\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('view'))\n btn.addEventListener('click',function(){\n var win = window.open('')\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n })\n win.document.body.appendChild(btn)\n win.document.body.appendChild(document.createElement('br'))\n var canvas = document.createElement('canvas')\n canvas.width = mod.img.width\n canvas.height = mod.img.height\n win.document.body.appendChild(canvas)\n var ctx = canvas.getContext(\"2d\")\n ctx.drawImage(mod.img,0,0)\n })\n div.appendChild(btn)\n }\n//\n// local functions\n//\n// threshold image\n//\nfunction threshold_image() {\n var blob = new Blob(['('+worker.toString()+'())'])\n var url = window.URL.createObjectURL(blob)\n var webworker = new Worker(url)\n webworker.addEventListener('message',function(evt) {\n window.URL.revokeObjectURL(url)\n var h = mod.img.height\n var w = mod.img.width\n var buf = new Uint8ClampedArray(evt.data.buffer)\n var imgdata = new ImageData(buf,w,h)\n var ctx = mod.img.getContext(\"2d\")\n ctx.putImageData(imgdata,0,0)\n if (w > h) {\n var x0 = 0\n var y0 = mod.canvas.height*.5*(1-h/w)\n var wd = mod.canvas.width\n var hd = mod.canvas.width*h/w\n }\n else {\n var x0 = mod.canvas.width*.5*(1-w/h)\n var y0 = 0\n var wd = mod.canvas.height*w/h\n var hd = mod.canvas.height\n }\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n ctx.drawImage(mod.img,x0,y0,wd,hd)\n webworker.terminate()\n outputs.image.event()\n })\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n var t = parseFloat(mod.threshold.value)\n var ctx = mod.img.getContext(\"2d\")\n ctx.putImageData(mod.input,0,0)\n var img = ctx.getImageData(0,0,mod.img.width,mod.img.height)\n webworker.postMessage({\n height:mod.input.height,width:mod.input.width,threshold:t,\n buffer:img.data.buffer},\n [img.data.buffer])\n }\nfunction worker() {\n self.addEventListener('message',function(evt) {\n var h = evt.data.height\n var w = evt.data.width\n var t = evt.data.threshold\n var buf = new Uint8ClampedArray(evt.data.buffer)\n var r,g,b,a,i\n for (var row = 0; row < h; ++row) {\n for (var col = 0; col < w; ++col) {\n r = buf[(h-1-row)*w*4+col*4+0] \n g = buf[(h-1-row)*w*4+col*4+1] \n b = buf[(h-1-row)*w*4+col*4+2] \n a = buf[(h-1-row)*w*4+col*4+3] \n i = (r+g+b)/(3*255)\n if (a == 0)\n val = 255\n else if (i > t)\n var val = 255\n else\n var val = 0\n buf[(h-1-row)*w*4+col*4+0] = val\n buf[(h-1-row)*w*4+col*4+1] = val\n buf[(h-1-row)*w*4+col*4+2] = val\n buf[(h-1-row)*w*4+col*4+3] = 255\n }\n }\n self.postMessage({buffer:buf.buffer},[buf.buffer])\n })\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"33","left":"1697","inputs":{},"outputs":{}},"0.749132408760488":{"definition":"//\n// vectorize\n// input is red 128:north,64:south, green 128:east,64:west, blue 128:start,64:stop\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2016\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the fab modules \n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'vectorize'\n//\n// initialization\n//\nvar init = function() {\n mod.error.value = 1\n }\n//\n// inputs\n//\nvar inputs = {\n image:{type:'RGBA',\n event:function(evt){\n mod.input = evt.detail\n var ctx = mod.img.getContext(\"2d\")\n ctx.canvas.width = mod.input.width\n ctx.canvas.height = mod.input.height \n ctx.putImageData(mod.input,0,0)\n vectorize()\n }}}\n//\n// outputs\n//\nvar outputs = {\n path:{type:'array',\n event:function(){\n mods.output(mod,'path',mod.path)\n }}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // on-screen SVG\n //\n var svgNS = \"http://www.w3.org/2000/svg\"\n var svg = document.createElementNS(svgNS,\"svg\")\n svg.setAttribute('id',mod.div.id+'svg')\n svg.setAttributeNS(\"http://www.w3.org/2000/xmlns/\",\n \"xmlns:xlink\",\"http://www.w3.org/1999/xlink\")\n svg.setAttribute('width',mods.ui.canvas)\n svg.setAttribute('height',mods.ui.canvas)\n svg.style.backgroundColor = 'rgb(255,255,255)'\n var g = document.createElementNS(svgNS,'g')\n g.setAttribute('id',mod.div.id+'g')\n svg.appendChild(g)\n div.appendChild(svg)\n div.appendChild(document.createElement('br')) \n //\n // off-screen image canvas\n //\n var canvas = document.createElement('canvas')\n mod.img = canvas\n //\n // error value\n //\n div.appendChild(document.createTextNode('vector fit (pixels): '))\n //div.appendChild(document.createElement('br'))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('change',function(){\n vectorize()\n })\n div.appendChild(input)\n mod.error = input\n div.appendChild(document.createElement('br'))\n //\n // sort\n //\n div.appendChild(document.createTextNode('sort distance: '))\n var input = document.createElement('input')\n input.type = 'checkbox'\n input.id = mod.div.id+'sort'\n input.checked = true\n div.appendChild(input)\n mod.sort = input\n div.appendChild(document.createElement('br'))\n //\n // view button\n //\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('view'))\n btn.addEventListener('click',function(){\n var win = window.open('')\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n })\n win.document.body.appendChild(btn)\n win.document.body.appendChild(document.createElement('br'))\n var svg = document.getElementById(mod.div.id+'svg')\n var clone = svg.cloneNode(true)\n clone.setAttribute('width',mod.img.width)\n clone.setAttribute('height',mod.img.height)\n win.document.body.appendChild(clone)\n })\n div.appendChild(btn)\n }\n//\n// local functions\n//\n// vectorize\n//\nfunction vectorize() {\n //\n // draw path\n //\n function draw_path(path) {\n window.URL.revokeObjectURL(url)\n var svg = document.getElementById(mod.div.id+'svg')\n svg.setAttribute('viewBox',\"0 0 \"+(mod.img.width-1)+\" \"+(mod.img.height-1))\n var g = document.getElementById(mod.div.id+'g')\n svg.removeChild(g)\n var g = document.createElementNS('http://www.w3.org/2000/svg','g')\n g.setAttribute('id',mod.div.id+'g')\n var h = mod.img.height\n var w = mod.img.width\n var xend = null\n var yend = null\n //\n // loop over segments\n //\n for (var segment in path) {\n if (path[segment].length > 1) {\n if (xend != null) {\n //\n // draw connection from previous segment\n //\n var line = document.createElementNS('http://www.w3.org/2000/svg','line')\n line.setAttribute('stroke','red')\n line.setAttribute('stroke-width',1)\n line.setAttribute('stroke-linecap','round')\n var x1 = xend\n var y1 = yend\n var x2 = path[segment][0][0]\n var y2 = h-path[segment][0][1]-1\n line.setAttribute('x1',x1)\n line.setAttribute('y1',y1)\n line.setAttribute('x2',x2)\n line.setAttribute('y2',y2)\n var dx = x2-x1\n var dy = y2-y1\n var d = Math.sqrt(dx*dx+dy*dy)\n if (d > 0) {\n nx = 6*dx/d\n ny = 6*dy/d\n var tx = 3*dy/d\n var ty = -3*dx/d\n g.appendChild(line)\n triangle = document.createElementNS('http://www.w3.org/2000/svg','polygon')\n triangle.setAttribute('points',x2+','+y2+' '+(x2-nx+tx)+','+(y2-ny+ty)\n +' '+(x2-nx-tx)+','+(y2-ny-ty))\n triangle.setAttribute('fill','red')\n g.appendChild(triangle)\n }\n }\n //\n // loop over points\n //\n for (var point = 1; point < path[segment].length; ++point) {\n var line = document.createElementNS('http://www.w3.org/2000/svg','line')\n line.setAttribute('stroke','black')\n line.setAttribute('stroke-width',1)\n line.setAttribute('stroke-linecap','round')\n var x1 = path[segment][point-1][0]\n var y1 = h-path[segment][point-1][1]-1\n var x2 = path[segment][point][0]\n var y2 = h-path[segment][point][1]-1\n xend = x2\n yend = y2\n line.setAttribute('x1',x1)\n line.setAttribute('y1',y1)\n line.setAttribute('x2',x2)\n line.setAttribute('y2',y2)\n var dx = x2-x1\n var dy = y2-y1\n var d = Math.sqrt(dx*dx+dy*dy)\n if (d > 0) {\n nx = 6*dx/d\n ny = 6*dy/d\n var tx = 3*dy/d\n var ty = -3*dx/d\n g.appendChild(line)\n triangle = document.createElementNS('http://www.w3.org/2000/svg','polygon')\n triangle.setAttribute('points',x2+','+y2+' '+(x2-nx+tx)+','+(y2-ny+ty)\n +' '+(x2-nx-tx)+','+(y2-ny-ty))\n triangle.setAttribute('fill','black')\n g.appendChild(triangle)\n }\n }\n }\n }\n svg.appendChild(g)\n }\n //\n // set up worker\n //\n var blob = new Blob(['('+worker.toString()+'())'])\n var url = window.URL.createObjectURL(blob)\n var webworker = new Worker(url)\n webworker.addEventListener('message',function(evt) {\n window.URL.revokeObjectURL(url)\n webworker.terminate()\n mod.path = evt.data.path\n draw_path(mod.path)\n outputs.path.event()\n })\n //\n // call worker\n //\n webworker.postMessage({\n height:mod.input.height,width:mod.input.width,sort:mod.sort.checked,\n error:parseFloat(mod.error.value),\n buffer:mod.input.data.buffer})\n }\n//\n// vectorize worker\n//\nfunction worker() {\n self.addEventListener('message',function(evt) {\n var h = evt.data.height\n var w = evt.data.width\n var sort = evt.data.sort\n var input = new Uint8ClampedArray(evt.data.buffer)\n var northsouth = 0\n var north = 128\n var south = 64\n var eastwest = 1\n var east = 128\n var west = 64\n var startstop = 2\n var start = 128\n var stop = 64\n var path = []\n //\n // edge follower\n //\n function follow_edges(row,col) {\n if ((input[(h-1-row)*w*4+col*4+northsouth] != 0)\n || (input[(h-1-row)*w*4+col*4+eastwest] != 0)) {\n path[path.length] = [[col,row]]\n while (1) {\n if (input[(h-1-row)*w*4+col*4+northsouth] & north) {\n input[(h-1-row)*w*4+col*4+northsouth] =\n input[(h-1-row)*w*4+col*4+northsouth] & ~north\n row += 1\n path[path.length-1][path[path.length-1].length] = [col,row]\n }\n else if (input[(h-1-row)*w*4+col*4+northsouth] & south) {\n input[(h-1-row)*w*4+col*4+northsouth] =\n input[(h-1-row)*w*4+col*4+northsouth] & ~south\n row -= 1\n path[path.length-1][path[path.length-1].length] = [col,row]\n }\n else if (input[(h-1-row)*w*4+col*4+eastwest] & east) {\n input[(h-1-row)*w*4+col*4+eastwest] =\n input[(h-1-row)*w*4+col*4+eastwest] & ~east\n col += 1\n path[path.length-1][path[path.length-1].length] = [col,row]\n }\n else if (input[(h-1-row)*w*4+col*4+eastwest] & west) {\n input[(h-1-row)*w*4+col*4+eastwest] =\n input[(h-1-row)*w*4+col*4+eastwest] & ~west\n col -= 1\n path[path.length-1][path[path.length-1].length] = [col,row]\n }\n else\n break\n }\n }\n }\n //\n // follow boundary starts\n //\n for (var row = 1; row < (h-1); ++row) {\n col = 0\n follow_edges(row,col)\n col = w-1\n follow_edges(row,col)\n }\n for (var col = 1; col < (w-1); ++col) {\n row = 0\n follow_edges(row,col)\n row = h-1 \n follow_edges(row,col)\n }\n //\n // follow interior paths\n //\n for (var row = 1; row < (h-1); ++row) {\n for (var col = 1; col < (w-1); ++col) {\n follow_edges(row,col)\n }\n }\n //\n // vectorize path\n //\n var error = evt.data.error\n var vecpath = []\n for (var seg = 0; seg < path.length; ++seg) {\n var x0 = path[seg][0][0]\n var y0 = path[seg][0][1]\n vecpath[vecpath.length] = [[x0,y0]]\n var xsum = x0\n var ysum = y0\n var sum = 1\n for (var pt = 1; pt < path[seg].length; ++pt) {\n var xold = x\n var yold = y\n var x = path[seg][pt][0]\n var y = path[seg][pt][1]\n if (sum == 1) {\n xsum += x\n ysum += y\n sum += 1\n }\n else {\n var xmean = xsum/sum\n var ymean = ysum/sum\n var dx = xmean-x0\n var dy = ymean-y0\n var d = Math.sqrt(dx*dx+dy*dy)\n var nx = dy/d\n var ny = -dx/d\n var l = Math.abs(nx*(x-x0)+ny*(y-y0))\n if (l < error) {\n xsum += x\n ysum += y\n sum += 1\n }\n else {\n vecpath[vecpath.length-1][vecpath[vecpath.length-1].length] = [xold,yold]\n x0 = xold\n y0 = yold\n xsum = xold\n ysum = yold\n sum = 1\n }\n }\n if (pt == (path[seg].length-1)) {\n vecpath[vecpath.length-1][vecpath[vecpath.length-1].length] = [x,y]\n }\n }\n }\n //\n // sort path\n //\n if ((vecpath.length > 0) && (sort == true)) {\n var dmin = w*w+h*h\n segmin = null\n for (var seg = 0; seg < vecpath.length; ++seg) {\n var x = vecpath[seg][0][0]\n var y = vecpath[seg][0][0]\n var d = x*x+y*y\n if (d < dmin) {\n dmin = d\n segmin = seg\n }\n }\n if (segmin != null) {\n var sortpath = [vecpath[segmin]]\n vecpath.splice(segmin,1)\n }\n while (vecpath.length > 0) {\n var dmin = w*w+h*h\n var x0 = sortpath[sortpath.length-1][sortpath[sortpath.length-1].length-1][0]\n var y0 = sortpath[sortpath.length-1][sortpath[sortpath.length-1].length-1][1]\n segmin = null\n for (var seg = 0; seg < vecpath.length; ++seg) {\n var x = vecpath[seg][0][0]\n var y = vecpath[seg][0][1]\n var d = (x-x0)*(x-x0)+(y-y0)*(y-y0)\n if (d < dmin) {\n dmin = d\n segmin = seg\n }\n }\n if (segmin != null) {\n sortpath[sortpath.length] = vecpath[segmin]\n vecpath.splice(segmin,1)\n }\n }\n }\n else if ((vecpath.length > 0) && (sort == false))\n sortpath = vecpath\n else\n sortpath = []\n //\n // return path\n //\n self.postMessage({path:sortpath})\n })\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"690","left":"1173","inputs":{},"outputs":{}},"0.3607063748701924":{"definition":"//\n// read SVG\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2016\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the fab modules \n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'read SVG'\n//\n// initialization\n//\nvar init = function() {\n }\n//\n// inputs\n//\nvar inputs = {\n SVG:{type:'string',\n event:function(evt) {\n svg_load_handler({target:{result:evt.detail}})\n }}}\n//\n// outputs\n//\nvar outputs = {\n SVG:{type:'string',\n event:function(){\n mods.output(mod,'SVG',mod.str)}}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // file input control\n //\n var file = document.createElement('input')\n file.setAttribute('type','file')\n file.setAttribute('id',div.id+'file_input')\n file.style.position = 'absolute'\n file.style.left = 0\n file.style.top = 0\n file.style.width = 0\n file.style.height = 0\n file.style.opacity = 0\n file.addEventListener('change',function() {\n svg_read_handler()\n })\n div.appendChild(file)\n mod.file = file\n //\n // on-screen drawing canvas\n //\n var canvas = document.createElement('canvas')\n canvas.width = mods.ui.canvas\n canvas.height = mods.ui.canvas\n canvas.style.backgroundColor = 'rgb(255,255,255)'\n div.appendChild(canvas)\n mod.canvas = canvas\n div.appendChild(document.createElement('br'))\n //\n // off-screen image canvas\n //\n var canvas = document.createElement('canvas')\n mod.img = canvas\n //\n // file select button\n //\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('select SVG file'))\n btn.addEventListener('click',function(){\n var file = document.getElementById(div.id+'file_input')\n file.value = null\n file.click()\n })\n div.appendChild(btn)\n div.appendChild(document.createElement('br'))\n //\n // view button\n //\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('view'))\n btn.addEventListener('click',function(){\n var win = window.open('')\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n })\n win.document.body.appendChild(btn)\n win.document.body.appendChild(document.createElement('br'))\n var canvas = document.createElement('canvas')\n canvas.width = mod.img.width\n canvas.height = mod.img.height\n win.document.body.appendChild(canvas)\n var ctx = canvas.getContext(\"2d\")\n ctx.drawImage(mod.img,0,0)\n })\n div.appendChild(btn)\n div.appendChild(document.createElement('br'))\n //\n // info div\n //\n var info = document.createElement('div')\n info.setAttribute('id',div.id+'info')\n var text = document.createTextNode('file:')\n info.appendChild(text)\n mod.name = text\n info.appendChild(document.createElement('br'))\n var text = document.createTextNode('width:')\n info.appendChild(text)\n mod.width = text\n info.appendChild(document.createElement('br'))\n var text = document.createTextNode('height:')\n info.appendChild(text)\n mod.height = text\n info.appendChild(document.createElement('br'))\n var text = document.createTextNode('units per inch:')\n info.appendChild(text)\n mod.units = text\n div.appendChild(info)\n }\n//\n// local functions\n//\n// read handler\n//\nfunction svg_read_handler(event) {\n //\n // read as text\n //\n var file_reader = new FileReader()\n file_reader.onload = svg_load_handler\n var input_file = mod.file.files[0]\n var file_name = input_file.name\n mod.name.nodeValue = \"file: \"+file_name\n file_reader.readAsText(input_file)\n }\n//\n// load handler\n//\nfunction svg_load_handler(event) {\n mod.str = event.target.result\n //\n // parse size\n //\n var i = mod.str.indexOf(\"width\")\n if (i == -1) {\n mod.width.nodeValue = \"width: not found\"\n mod.height.nodeValue = \"height: not found\"\n }\n else {\n var i1 = mod.str.indexOf(\"\\\"\",i+1)\n var i2 = mod.str.indexOf(\"\\\"\",i1+1)\n var width = mod.str.substring(i1+1,i2)\n i = mod.str.indexOf(\"height\")\n i1 = mod.str.indexOf(\"\\\"\",i+1)\n i2 = mod.str.indexOf(\"\\\"\",i1+1)\n var height = mod.str.substring(i1+1,i2)\n ih = mod.str.indexOf(\"height\")\n if (width.indexOf(\"px\") != -1) {\n width = width.slice(0,-2)\n height = height.slice(0,-2)\n var units = 90\n }\n else if (width.indexOf(\"mm\") != -1) {\n width = width.slice(0,-2)\n height = height.slice(0,-2)\n var units = 25.4\n }\n else if (width.indexOf(\"cm\") != -1) {\n width = width.slice(0,-2)\n height = height.slice(0,-2)\n var units = 2.54\n }\n else if (width.indexOf(\"in\") != -1) {\n width = width.slice(0,-2)\n height = height.slice(0,-2)\n var units = 1\n }\n else {\n var units = 90\n }\n mod.width.nodeValue = \"width: \"+width\n mod.height.nodeValue = \"height: \"+height\n mod.units.nodeValue = \"units per inch: \"+units\n }\n //\n // display\n //\n var img = new Image()\n var src = \"data:image/svg+xml;base64,\"+window.btoa(mod.str)\n img.setAttribute(\"src\",src)\n img.onload = function() {\n if (img.width > img.height) {\n var x0 = 0\n var y0 = mod.canvas.height*.5*(1-img.height/img.width)\n var w = mod.canvas.width\n var h = mod.canvas.width*img.height/img.width\n }\n else {\n var x0 = mod.canvas.width*.5*(1-img.width/img.height)\n var y0 = 0\n var w = mod.canvas.height*img.width/img.height\n var h = mod.canvas.height\n }\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n ctx.drawImage(img,x0,y0,w,h)\n var ctx = mod.img.getContext(\"2d\")\n ctx.canvas.width = img.width\n ctx.canvas.height = img.height \n ctx.drawImage(img,0,0)\n outputs.SVG.event()\n }\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"351","left":"244","inputs":{},"outputs":{}},"0.23700502437873816":{"definition":"//\n// convert SVG image\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2016\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the mods\n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'convert SVG image'\n//\n// initialization\n//\nvar init = function() {\n mod.dpi.value = 300\n }\n//\n// inputs\n//\nvar inputs = {\n SVG:{type:'string',\n event:function(evt){\n mod.svg = evt.detail\n get_size()\n draw_image()}}}\n//\n// outputs\n//\nvar outputs = {\n image:{type:'RGBA',\n event:function(){\n var ctx = mod.img.getContext(\"2d\")\n var img = ctx.getImageData(0,0,mod.img.width,mod.img.height)\n mods.output(mod,'image',img)}},\n imageInfo:{type:'object',\n event:function(){\n var obj = {}\n obj.name = \"SVG image\"\n obj.dpi = parseFloat(mod.dpi.value)\n obj.width = mod.img.width\n obj.height = mod.img.height\n mods.output(mod,'imageInfo',obj)}}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // on-screen drawing canvas\n //\n var canvas = document.createElement('canvas')\n canvas.width = mods.ui.canvas\n canvas.height = mods.ui.canvas\n canvas.style.backgroundColor = 'rgb(255,255,255)'\n div.appendChild(canvas)\n mod.canvas = canvas\n div.appendChild(document.createElement('br'))\n //\n // off-screen image canvas\n //\n var canvas = document.createElement('canvas')\n mod.img = canvas\n //\n // view button\n //\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('view'))\n btn.addEventListener('click',function(){\n var win = window.open('')\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n })\n win.document.body.appendChild(btn)\n win.document.body.appendChild(document.createElement('br'))\n var canvas = document.createElement('canvas')\n canvas.width = mod.img.width\n canvas.height = mod.img.height\n win.document.body.appendChild(canvas)\n var ctx = canvas.getContext(\"2d\")\n ctx.drawImage(mod.img,0,0)\n })\n div.appendChild(btn)\n //\n // dpi\n //\n div.appendChild(document.createElement('br'))\n div.appendChild(document.createTextNode('dpi: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('change',function(){\n draw_image()\n })\n div.appendChild(input)\n mod.dpi = input\n div.appendChild(document.createTextNode(' (enter)'))\n //\n // units\n //\n div.appendChild(document.createElement('br'))\n div.appendChild(document.createTextNode('units: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('change',function(){\n draw_image()\n })\n div.appendChild(input)\n mod.unitstext = input\n div.appendChild(document.createTextNode(' (enter)'))\n //\n // size\n //\n div.appendChild(document.createElement('br'))\n var text = document.createTextNode('image size:')\n div.appendChild(text)\n div.appendChild(document.createElement('br'))\n var text = document.createTextNode('(pixels)')\n div.appendChild(text)\n mod.pixels = text\n div.appendChild(document.createElement('br'))\n var text = document.createTextNode('(inches)')\n div.appendChild(text)\n mod.inches = text\n div.appendChild(document.createElement('br'))\n var text = document.createTextNode('(mm)')\n div.appendChild(text)\n mod.mm = text\n }\n//\n// local functions\n//\n// get size\n//\nfunction get_size() {\n var i = mod.svg.indexOf(\"width\")\n if (i == -1) {\n var width = 1\n var height = 1\n var units = 90\n }\n else {\n var i1 = mod.svg.indexOf(\"\\\"\",i+1)\n var i2 = mod.svg.indexOf(\"\\\"\",i1+1)\n var width = mod.svg.substring(i1+1,i2)\n i = mod.svg.indexOf(\"height\")\n i1 = mod.svg.indexOf(\"\\\"\",i+1)\n i2 = mod.svg.indexOf(\"\\\"\",i1+1)\n var height = mod.svg.substring(i1+1,i2)\n ih = mod.svg.indexOf(\"height\")\n if (width.indexOf(\"px\") != -1) {\n width = width.slice(0,-2)\n height = height.slice(0,-2)\n var units = 90\n }\n else if (width.indexOf(\"mm\") != -1) {\n width = width.slice(0,-2)\n height = height.slice(0,-2)\n var units = 25.4\n }\n else if (width.indexOf(\"cm\") != -1) {\n width = width.slice(0,-2)\n height = height.slice(0,-2)\n var units = 2.54\n }\n else if (width.indexOf(\"in\") != -1) {\n width = width.slice(0,-2)\n height = height.slice(0,-2)\n var units = 1\n }\n else {\n var units = 90\n }\n }\n mod.width = parseFloat(width)\n mod.height = parseFloat(height)\n mod.units = units\n mod.unitstext.value = units\n }\n//\n// draw image\n//\nfunction draw_image() {\n var dpi = parseFloat(mod.dpi.value)\n var units = parseFloat(mod.unitstext.value)\n var width = parseInt(dpi*mod.width/units)\n var height = parseInt(dpi*mod.height/units)\n mod.pixels.nodeValue = width+' x '+height+\" (pixels)\"\n mod.inches.nodeValue = (width/dpi).toFixed(3)+' x '+(height/dpi).toFixed(3)+\" (inches)\"\n mod.mm.nodeValue = (25.4*width/dpi).toFixed(3)+' x '+(25.4*height/dpi).toFixed(3)+\" (mm)\"\n var src = \"data:image/svg+xml;base64,\"+window.btoa(mod.svg)\n var img = new Image()\n img.setAttribute(\"src\",src)\n img.onload = function() {\n if (width > height) {\n var x0 = 0\n var y0 = mod.canvas.height*.5*(1-height/width)\n var w = mod.canvas.width\n var h = mod.canvas.width*height/width\n }\n else {\n var x0 = mod.canvas.width*.5*(1-width/height)\n var y0 = 0\n var w = mod.canvas.height*width/height\n var h = mod.canvas.height\n }\n mod.img.width = width\n mod.img.height = height\n var ctx = mod.img.getContext(\"2d\")\n ctx.clearRect(0,0,width,height)\n ctx.drawImage(img,0,0,width,height)\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n ctx.drawImage(mod.img,x0,y0,w,h)\n outputs.image.event()\n outputs.imageInfo.event()\n }\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"102","left":"1135","inputs":{},"outputs":{}},"0.846206746747586":{"definition":"//\n// Roland GX-24 vinyl cutter\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2016\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the mods\n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'Roland GX-24 vinyl cutter'\n//\n// initialization\n//\nvar init = function() {\n mod.force.value = 50\n mod.speed.value = 2\n }\n//\n// inputs\n//\nvar inputs = {\n toolpath:{type:'object',\n event:function(evt){\n mod.name = evt.detail.name\n mod.path = evt.detail.path\n mod.dpi = evt.detail.dpi\n mod.width = evt.detail.width\n mod.height = evt.detail.height\n make_path()\n }}}\n//\n// outputs\n//\nvar outputs = {\n file:{type:'object',\n event:function(str){\n obj = {}\n obj.type = 'file'\n obj.name = mod.name+'.camm'\n obj.contents = str\n mods.output(mod,'file',obj)\n }}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n div.appendChild(document.createTextNode('force (g): '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n div.appendChild(input)\n mod.force = input\n div.appendChild(document.createElement('br'))\n div.appendChild(document.createTextNode('speed (cm/s): '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n div.appendChild(input)\n mod.speed = input\n div.appendChild(document.createElement('br'))\n div.appendChild(document.createTextNode('origin:'))\n div.appendChild(document.createElement('br'))\n var input = document.createElement('input')\n input.type = 'radio'\n input.name = mod.div.id+'origin'\n input.id = mod.div.id+'topleft'\n div.appendChild(input)\n mod.topleft = input\n div.appendChild(document.createTextNode(' left \\u00A0\\u00A0 top \\u00A0\\u00A0 right '))\n var input = document.createElement('input')\n input.type = 'radio'\n input.name = mod.div.id+'origin'\n input.id = mod.div.id+'topright'\n div.appendChild(input)\n mod.topright = input\n div.appendChild(document.createElement('br'))\n var input = document.createElement('input')\n input.type = 'radio'\n input.name = mod.div.id+'origin'\n input.id = mod.div.id+'botleft'\n input.checked = true\n div.appendChild(input)\n mod.botleft = input\n div.appendChild(document.createTextNode(' left bottom right '))\n var input = document.createElement('input')\n input.type = 'radio'\n input.name = mod.div.id+'origin'\n input.id = mod.div.id+'botright'\n div.appendChild(input)\n mod.botright = input\n }\n//\n// local functions\n//\nfunction make_path() {\n var dx = 25.4*mod.width/mod.dpi\n var dy = 25.4*mod.height/mod.dpi\n var nx = mod.width\n var ny = mod.height\n var force = parseFloat(mod.force.value)\n var speed = parseFloat(mod.speed.value)\n var str = \"PA;PA;!ST1;!FS\"+force+\";VS\"+speed+\";\\n\"\n var scale = 40.0*dx/(nx-1.0) // 40/mm\n var ox = 0\n var oy = 0\n if (mod.botleft.checked) {\n var xoffset = 40.0*ox\n var yoffset = 40.0*oy\n }\n else if (mod.botright.checked) {\n var xoffset = 40.0*(ox-dx)\n var yoffset = 40.0*oy\n }\n else if (mod.topleft.checked) {\n var xoffset = 40.0*ox\n var yoffset = 40.0*(oy-dy)\n }\n else if (mod.topright.checked) {\n var xoffset = 40.0*(ox-dx)\n var yoffset = 40.0*(oy-dy)\n }\n //\n // loop over segments\n //\n for (var seg = 0; seg < mod.path.length; ++seg) {\n x = xoffset+scale*mod.path[seg][0][0]\n y = yoffset+scale*mod.path[seg][0][1]\n str += \"PU\"+x.toFixed(0)+\",\"+y.toFixed(0)+\";\\n\" // move up to start point\n //str += \"PU\"+x.toFixed(0)+\",\"+y.toFixed(0)+\";\\n\" // hack: repeat in case comm dropped\n str += \"PD\"+x.toFixed(0)+\",\"+y.toFixed(0)+\";\\n\" // move down\n //str += \"PD\"+x.toFixed(0)+\",\"+y.toFixed(0)+\";\\n\" // hack: repeat in case comm dropped\n //\n // loop over points\n //\n for (var pt = 1; pt < mod.path[seg].length; ++pt) {\n x = xoffset+scale*mod.path[seg][pt][0]\n y = yoffset+scale*mod.path[seg][pt][1]\n str += \"PD\"+x.toFixed(0)+\",\"+y.toFixed(0)+\";\\n\" // move down\n //str += \"PD\"+x.toFixed(0)+\",\"+y.toFixed(0)+\";\\n\" // hack: repeat in case comm dropped\n }\n str += \"PU\"+x.toFixed(0)+\",\"+y.toFixed(0)+\";\\n\" // move up at last point\n //str += \"PU\"+x.toFixed(0)+\",\"+y.toFixed(0)+\";\\n\" // hack: repeat in case comm dropped\n }\n str += \"PU0,0;\\n\" // pen up to origin\n //str += \"PU0,0;\\n\" // hack: repeat in case comm dropped\n outputs.file.event(str)\n }\n\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"359","left":"696","inputs":{},"outputs":{}},"0.5939189311272037":{"definition":"//\r\n// print server module\r\n//\r\n// Neil Gershenfeld \r\n// (c) Massachusetts Institute of Technology 2017\r\n// \r\n// This work may be reproduced, modified, distributed, performed, and \r\n// displayed for any purpose, but must acknowledge the mods\r\n// project. Copyright is retained and must be preserved. The work is \r\n// provided as is; no warranty is provided, and users accept all \r\n// liability.\r\n//\r\n// closure\r\n//\r\n(function(){\r\n//\r\n// module globals\r\n//\r\nvar mod = {}\r\n//\r\n// name\r\n//\r\nvar name = 'WebSocket print'\r\n//\r\n// initialization\r\n//\r\nvar init = function() {\r\n mod.address.value = '127.0.0.1'\r\n mod.port.value = 1234\r\n mod.printers.value = 'Printer not found'\r\n mod.socket = null\r\n socket_open()\r\n }\r\n//\r\n// inputs\r\n//\r\nvar inputs = {\r\n file:{type:'',\r\n event:function(evt){\r\n if (evt.detail.type == 'file') {\r\n mod.job = evt.detail\r\n mod.label.nodeValue = 'send file to printer'\r\n mod.labelspan.style.fontWeight = 'bold'\r\n }\r\n else if (evt.detail.type == 'command') {\r\n mod.job = evt.detail\r\n mod.job.printer = mod.printers.value\r\n socket_send(JSON.stringify(mod.job))\r\n }\r\n }}}\r\n//\r\n// outputs\r\n//\r\nvar outputs = {\r\n }\r\n//\r\n// interface\r\n//\r\nvar interface = function(div){\r\n mod.div = div\r\n //\r\n // server\r\n //\r\n var a = document.createElement('a')\r\n a.href = './js/printserver.js'\r\n a.innerHTML = 'printserver:'\r\n a.target = '_blank'\r\n div.appendChild(a)\r\n div.appendChild(document.createElement('br'))\r\n div.appendChild(document.createTextNode('address: '))\r\n input = document.createElement('input')\r\n input.type = 'text'\r\n input.size = 10\r\n div.appendChild(input)\r\n mod.address = input\r\n div.appendChild(document.createElement('br'))\r\n div.appendChild(document.createTextNode('\\u00a0\\u00a0\\u00a0\\u00a0\\u00a0port: '))\r\n input = document.createElement('input')\r\n input.type = 'text'\r\n input.size = 10\r\n div.appendChild(input)\r\n mod.port = input\r\n div.appendChild(document.createElement('br'))\r\n div.appendChild(document.createTextNode('\\u00a0\\u00a0status: '))\r\n input = document.createElement('input')\r\n input.type = 'text'\r\n input.size = 10\r\n div.appendChild(input)\r\n mod.status = input\r\n div.appendChild(document.createElement('br'))\r\n //\r\n // open/close\r\n //\r\n var btn = document.createElement('button')\r\n btn.style.margin = 1\r\n btn.appendChild(document.createTextNode('open'))\r\n btn.addEventListener('click',function() {\r\n socket_open()\r\n })\r\n div.appendChild(btn)\r\n var btn = document.createElement('button')\r\n btn.style.margin = 1\r\n btn.appendChild(document.createTextNode('close'))\r\n btn.addEventListener('click',function() {\r\n socket_close()\r\n })\r\n div.appendChild(btn)\r\n div.appendChild(document.createElement('br'))\r\n //\r\n // printer\r\n //\r\n div.appendChild(document.createTextNode('printer:'))\r\n div.appendChild(document.createElement('br'))\r\n var select = document.createElement('select')\r\n select.setAttribute('style', 'width:150px');\r\n\t var el = document.createElement('option')\r\n el.textContent = 'Printer not found'\r\n el.value = 'Printer not found'\r\n select.appendChild(el)\r\n div.appendChild(select)\r\n mod.printers = select \r\n div.appendChild(document.createElement('br')) \r\n var btn = document.createElement('button')\r\n btn.style.padding = mods.ui.padding\r\n btn.style.margin = 1\r\n var span = document.createElement('span')\r\n var text = document.createTextNode('waiting for file')\r\n mod.label = text\r\n span.appendChild(text)\r\n mod.labelspan = span\r\n btn.appendChild(span)\r\n btn.addEventListener('click',function(){\r\n if (mod.socket == null) {\r\n mod.status.value = \"can't send, not open\"\r\n }\r\n else if (mod.label.nodeValue == 'send file to printer') {\r\n mod.job.printer = mod.printers.value\r\n socket_send(JSON.stringify(mod.job))\r\n mod.label.nodeValue = 'cancel'\r\n }\r\n else if (mod.label.nodeValue == 'cancel') {\r\n socket_send('cancel')\r\n }\r\n })\r\n div.appendChild(btn)\r\n }\r\n//\r\n// local functions\r\n//\r\nfunction socket_open() {\r\n var url = \"ws://\"+mod.address.value+':'+mod.port.value\r\n mod.socket = new WebSocket(url)\r\n mod.socket.onopen = function(event) {\r\n mod.status.value = \"socket opened\"\r\n }\r\n mod.socket.onerror = function(event) {\r\n mod.status.value = \"can not open socket\"\r\n mod.socket = null\r\n }\r\n mod.socket.onmessage = function(event) {\r\n mod.status.value = event.data\r\n if ((event.data == 'done') || (event.data == 'cancel')\r\n || (event.data.slice(0,5) == 'error')) {\r\n mod.label.nodeValue = 'waiting for file'\r\n mod.labelspan.style.fontWeight = 'normal'\r\n }\r\n else if (event.data[0] === '{'){\r\n var printerInfo = JSON.parse(event.data)\r\n var printerList = printerInfo['printerList']\r\n if (printerList) {\r\n while (mod.printers.hasChildNodes()) {\r\n mod.printers.removeChild(mod.printers.lastChild);\r\n }\r\n\r\n for(var i = 0; i < printerList.length; i++){\r\n var printer = printerList[i];\r\n var el = document.createElement('option')\r\n el.textContent = printer\r\n el.value = printer\r\n mod.printers.appendChild(el)\r\n }\r\n var defaultPrinter = printerInfo['default']\r\n if(defaultPrinter && defaultPrinter.length>0){\r\n mod.printers.value = defaultPrinter\r\n }\r\n }\r\n }\r\n }\r\n }\r\nfunction socket_close() {\r\n mod.socket.close()\r\n mod.status.value = \"socket closed\"\r\n mod.socket = null\r\n }\r\nfunction socket_send(msg) {\r\n if (mod.socket != null) {\r\n mod.status.value = \"send\"\r\n mod.socket.send(msg)\r\n }\r\n else {\r\n mod.status.value = \"can't send, not open\"\r\n }\r\n }\r\n//\r\n// return values\r\n//\r\nreturn ({\r\n name:name,\r\n init:init,\r\n inputs:inputs,\r\n outputs:outputs,\r\n interface:interface\r\n })\r\n}())\r\n","top":"687","left":"702","inputs":{},"outputs":{}},"0.6254330651182245":{"definition":"//\r\n// SWSelectFace module receives a selected face from Tools/FabLab Connect command of SolidWorks products\r\n//\r\n// Shawn Liu @ Dassault Systemes SolidWorks Corporation\r\n// (c) Massachusetts Institute of Technology 2017\r\n// \r\n// This work may be reproduced, modified, distributed, performed, and \r\n// displayed for any purpose, but must acknowledge the mods\r\n// provided as is; no warranty is provided, and users accept all \r\n// liability.\r\n//\r\n// closure\r\n//\r\n(function(){\r\n//\r\n// module globals\r\n//\r\nvar mod = {}\r\n//\r\n// name\r\n//\r\nvar name = 'SWSelectFace'\r\n//\r\n// initialization\r\n//\r\nvar init = function() {\r\n mod.address = getParameterByName('swIP') || '127.0.0.1'\r\n mod.port = getParameterByName('swPort') || '8787'\r\n mod.socket = 0\r\n mod.margin.value = 2 //2mm\r\n mod.includeInner.checked = true;\r\n socket_open()\r\n }\r\n//\r\n// inputs\r\n//\r\nvar inputs = {}\r\n//\r\n// outputs\r\n//\r\nvar outputs = {\r\n SVG:{type:'string',\r\n event:function(data){\r\n mods.output(mod,'SVG',data)}}}\r\n//\r\n// interface\r\n//\r\nvar interface = function(div){\r\n mod.div = div\r\n div.appendChild(document.createTextNode('server:'))\r\n div.appendChild(document.createElement('br'))\r\n div.appendChild(document.createTextNode('address: ' + getParameterByName('swIP')))\r\n div.appendChild(document.createElement('br'))\r\n div.appendChild(document.createTextNode('\\u00a0\\u00a0\\u00a0\\u00a0\\u00a0port: ' + getParameterByName('swPort')))\r\n div.appendChild(document.createElement('br'))\r\n div.appendChild(document.createTextNode('\\u00a0\\u00a0status: '))\r\n input = document.createElement('input')\r\n input.type = 'text'\r\n input.size = 12\r\n div.appendChild(input)\r\n mod.status = input\r\n div.appendChild(document.createElement('br'))\r\n var btn = document.createElement('button')\r\n btn.style.margin = 1\r\n btn.appendChild(document.createTextNode('open'))\r\n btn.addEventListener('click',function() {\r\n socket_open()\r\n })\r\n div.appendChild(btn)\r\n var btn = document.createElement('button')\r\n btn.style.margin = 1\r\n btn.appendChild(document.createTextNode('close'))\r\n btn.addEventListener('click',function() {\r\n socket_close()\r\n })\r\n div.appendChild(btn)\r\n div.appendChild(document.createElement('br'))\r\n div.appendChild(document.createTextNode('settings:'))\r\n div.appendChild(document.createElement('br'))\r\n div.appendChild(document.createTextNode('margin (mm): '))\r\n input = document.createElement('input')\r\n input.type = 'text'\r\n input.size = 6\r\n div.appendChild(input)\r\n mod.margin = input\r\n div.appendChild(document.createElement('br'))\r\n input = document.createElement('input')\r\n input.type = 'checkbox'\r\n input.size = 10\r\n div.appendChild(input)\r\n div.appendChild(document.createTextNode('include inner faces'))\r\n mod.includeInner = input\r\n div.appendChild(document.createElement('br'))\r\n var btn = document.createElement('button')\r\n btn.style.margin = 1\r\n btn.appendChild(document.createTextNode('Update'))\r\n btn.addEventListener('click', function () {\r\n update_settings()\r\n })\r\n div.appendChild(btn)\r\n }\r\n//\r\n// local functions\r\n//\r\n\r\nfunction getParameterByName(name, url) {\r\n if (!url) url = window.location.href\r\n name = name.replace(/[\\[\\]]/g, \"\\\\$&\")\r\n var regex = new RegExp(\"[?&]\" + name + \"(=([^&#]*)|&|#|$)\"),\r\n results = regex.exec(url)\r\n if (!results) return null\r\n if (!results[2]) return ''\r\n return decodeURIComponent(results[2].replace(/\\+/g, \" \"))\r\n}\r\n\r\nfunction update_settings() {\r\n var modcmd = new Object\r\n modcmd.modCmd = \"SetMargin\"\r\n modcmd.margin = Number(mod.margin.value) // mm\r\n socket_send(JSON.stringify(modcmd))\r\n var innerCmd = new Object\r\n innerCmd.modCmd = \"SetIncludeInner\"\r\n innerCmd.includeInner = mod.includeInner.checked\r\n socket_send(JSON.stringify(innerCmd))\r\n socket_send('{\"modCmd\":\"EnableSelectFaceNotify\",\"selectFaceNotify\":true}')\r\n}\r\n\r\nfunction socket_open() {\r\n var url = \"ws://\"+mod.address+':'+mod.port\r\n mod.socket = new WebSocket(url)\r\n mod.socket.onopen = function(event) {\r\n mod.status.value = \"opened\"\r\n var connect= {}\r\n connect.modCmd = 'connect'\r\n connect.owner = getParameterByName('swOwner')\r\n connect.id = getParameterByName('swID') \r\n socket_send(JSON.stringify(connect))\r\n update_settings()\r\n }\r\n mod.socket.onerror = function(event) {\r\n mod.status.value = \"can not open\"\r\n }\r\n mod.socket.onmessage = function(event) {\r\n mod.status.value = \"receive\"\r\n console.log('receive :' + event.data)\r\n var swData = JSON.parse(event.data)\r\n if (swData.swType === \"FaceSVG\") {\r\n outputs.SVG.event(swData.data)\r\n }\r\n }\r\n mod.socket.onclose = function (event) {\r\n mod.status.value = \"connection closed\"\r\n }\r\n }\r\nfunction socket_close() {\r\n mod.socket.close()\r\n mod.status.value = \"closed\"\r\n mod.socket = 0\r\n }\r\nfunction socket_send(msg) {\r\n if (mod.socket != 0) {\r\n mod.status.value = \"send\"\r\n mod.socket.send(msg)\r\n }\r\n else {\r\n mod.status.value = \"can't send, not open\"\r\n }\r\n }\r\n//\r\n// return values\r\n//\r\nreturn ({\r\n name:name,\r\n init:init,\r\n inputs:inputs,\r\n outputs:outputs,\r\n interface:interface\r\n })\r\n}())\r\n","top":"71","left":"86","inputs":{},"outputs":{}}},"links":["{\"source\":\"{\\\"id\\\":\\\"0.07944144280928633\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"image\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.8903773266711255\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"image\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.47383876715576023\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"distances\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.3135579179893032\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"distances\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.3135579179893032\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"image\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.07944144280928633\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"image\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.17844113591127098\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"offset\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.3135579179893032\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"offset\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.6488303557466412\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"image\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.47383876715576023\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"image\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.8903773266711255\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"image\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.749132408760488\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"image\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.749132408760488\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"path\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.17844113591127098\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"path\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.3607063748701924\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"SVG\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.23700502437873816\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"SVG\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.23700502437873816\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"image\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.6488303557466412\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"image\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.23700502437873816\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"imageInfo\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.17844113591127098\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"imageInfo\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.17844113591127098\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"toolpath\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.846206746747586\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"toolpath\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.846206746747586\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"file\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.5939189311272037\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"file\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.6254330651182245\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"SVG\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.3607063748701924\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"SVG\\\"}\"}"]}
\ No newline at end of file
diff --git a/programs/machines/ShopBot/mill 2D sw b/programs/machines/ShopBot/mill 2D sw
new file mode 100644
index 0000000..06e3a58
--- /dev/null
+++ b/programs/machines/ShopBot/mill 2D sw
@@ -0,0 +1 @@
+{"modules":{"0.47383876715576023":{"definition":"//\n// distance transform \n// assumes thresholded image, with zero intensity exterior\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2015,6\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the fab modules \n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'distance transform'\n//\n// initialization\n//\nvar init = function() {\n }\n//\n// inputs\n//\nvar inputs = {\n image:{type:'RGBA',\n event:function(evt){\n mod.input = evt.detail\n var ctx = mod.img.getContext(\"2d\")\n ctx.canvas.width = mod.input.width\n ctx.canvas.height = mod.input.height \n ctx.putImageData(mod.input,0,0)\n distance_transform()}}}\n//\n// outputs\n//\nvar outputs = {\n distances:{type:'F32',\n event:function(){\n mod.distances.height = mod.input.height\n mod.distances.width = mod.input.width\n mods.output(mod,'distances',mod.distances)}}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // on-screen drawing canvas\n //\n var canvas = document.createElement('canvas')\n canvas.width = mods.ui.canvas\n canvas.height = mods.ui.canvas\n canvas.style.backgroundColor = 'rgb(255,255,255)'\n div.appendChild(canvas)\n mod.canvas = canvas\n div.appendChild(document.createElement('br'))\n //\n // off-screen image canvas\n //\n var canvas = document.createElement('canvas')\n mod.img = canvas\n //\n // view button\n //\n div.appendChild(document.createElement('br'))\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('view'))\n btn.addEventListener('click',function(){\n var win = window.open('')\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n })\n win.document.body.appendChild(btn)\n win.document.body.appendChild(document.createElement('br'))\n var canvas = document.createElement('canvas')\n canvas.width = mod.img.width\n canvas.height = mod.img.height\n win.document.body.appendChild(canvas)\n var ctx = canvas.getContext(\"2d\")\n ctx.drawImage(mod.img,0,0)\n })\n div.appendChild(btn)\n }\n//\n// local functions\n//\n// distance transform function\n//\nfunction distance_transform() {\n var blob = new Blob(['('+worker.toString()+'())'])\n var url = window.URL.createObjectURL(blob)\n var webworker = new Worker(url)\n webworker.addEventListener('message',function(evt) {\n window.URL.revokeObjectURL(url)\n var h = mod.img.height\n var w = mod.img.width\n mod.distances = new Float32Array(evt.data.buffer)\n var imgbuf = new Uint8ClampedArray(h*w*4)\n var dmax = -Number.MAX_VALUE\n for (var y = 0; y < h; ++y) {\n for (var x = 0; x < w; ++x) {\n if (mod.distances[(h-1-y)*w+x] > dmax)\n dmax = mod.distances[(h-1-y)*w+x]\n }\n }\n var i\n for (var y = 0; y < h; ++y) {\n for (var x = 0; x < w; ++x) {\n i = 255*mod.distances[(h-1-y)*w+x]/dmax\n imgbuf[(h-1-y)*w*4+x*4+0] = i\n imgbuf[(h-1-y)*w*4+x*4+1] = i\n imgbuf[(h-1-y)*w*4+x*4+2] = i\n imgbuf[(h-1-y)*w*4+x*4+3] = 255\n }\n }\n var imgdata = new ImageData(imgbuf,w,h)\n var ctx = mod.img.getContext(\"2d\")\n ctx.putImageData(imgdata,0,0)\n if (w > h) {\n var x0 = 0\n var y0 = mod.canvas.height*.5*(1-h/w)\n var wd = mod.canvas.width\n var hd = mod.canvas.width*h/w\n }\n else {\n var x0 = mod.canvas.width*.5*(1-w/h)\n var y0 = 0\n var wd = mod.canvas.height*w/h\n var hd = mod.canvas.height\n }\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n ctx.drawImage(mod.img,x0,y0,wd,hd)\n webworker.terminate()\n outputs.distances.event()\n })\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n var ctx = mod.img.getContext(\"2d\")\n ctx.putImageData(mod.input,0,0)\n var img = ctx.getImageData(0,0,mod.img.width,mod.img.height)\n webworker.postMessage({\n height:mod.input.height,width:mod.input.width,\n buffer:img.data.buffer},\n [img.data.buffer])\n }\n//\n// distance transform worker\n//\nfunction worker() {\n self.addEventListener('message',function(evt) {\n var ny = evt.data.height\n var nx = evt.data.width\n var input = new Uint8ClampedArray(evt.data.buffer)\n var output = new Float32Array(nx*ny)\n function distance(g,x,y,i) {\n return ((y-i)*(y-i)+g[i][x]*g[i][x])\n }\n function intersection(g,x,y0,y1) {\n return ((g[y0][x]*g[y0][x]-g[y1][x]*g[y1][x]+y0*y0-y1*y1)/(2.0*(y0-y1)))\n }\n //\n // allocate arrays\n //\n var g = []\n for (var y = 0; y < ny; ++y)\n g[y] = new Uint32Array(nx)\n var h = []\n for (var y = 0; y < ny; ++y)\n h[y] = new Uint32Array(nx)\n var distances = []\n for (var y = 0; y < ny; ++y)\n distances[y] = new Uint32Array(nx)\n var starts = new Uint32Array(ny)\n var minimums = new Uint32Array(ny)\n var d\n //\n // column scan\n // \n for (var y = 0; y < ny; ++y) {\n //\n // right pass\n //\n var closest = -nx\n for (var x = 0; x < nx; ++x) {\n if (input[(ny-1-y)*nx*4+x*4+0] != 0) {\n g[y][x] = 0\n closest = x\n }\n else\n g[y][x] = (x-closest)\n }\n //\n // left pass\n //\n closest = 2*nx\n for (var x = (nx-1); x >= 0; --x) {\n if (input[(ny-1-y)*nx*4+x*4+0] != 0)\n closest = x\n else {\n d = (closest-x)\n if (d < g[y][x])\n g[y][x] = d\n }\n }\n }\n //\n // row scan\n //\n for (var x = 0; x < nx; ++x) {\n var segment = 0\n starts[0] = 0\n minimums[0] = 0\n //\n // down \n //\n for (var y = 1; y < ny; ++y) {\n while ((segment >= 0) &&\n (distance(g,x,starts[segment],minimums[segment]) > distance(g,x,starts[segment],y)))\n segment -= 1\n if (segment < 0) {\n segment = 0\n minimums[0] = y\n }\n else {\n newstart = 1+intersection(g,x,minimums[segment],y)\n if (newstart < ny) {\n segment += 1\n minimums[segment] = y\n starts[segment] = newstart\n }\n }\n }\n //\n // up \n //\n for (var y = (ny-1); y >= 0; --y) {\n d = Math.sqrt(distance(g,x,y,minimums[segment]))\n output[(ny-1-y)*nx+x] = d\n if (y == starts[segment])\n segment -= 1\n }\n }\n self.postMessage({buffer:output.buffer},[output.buffer])\n })\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"168","left":"1908","inputs":{},"outputs":{}},"0.07944144280928633":{"definition":"//\n// edge detect\n// green = interior, blue = exterior, red = boundary\n// assumes input is thresholded\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2015,6\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the fab modules \n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'edge detect'\n//\n// initialization\n//\nvar init = function() {\n }\n//\n// inputs\n//\nvar inputs = {\n image:{type:'RGBA',\n event:function(evt){\n mod.input = evt.detail\n var ctx = mod.img.getContext(\"2d\")\n ctx.canvas.width = mod.input.width\n ctx.canvas.height = mod.input.height \n ctx.putImageData(mod.input,0,0)\n edge_detect()}}}\n//\n// outputs\n//\nvar outputs = {\n image:{type:'RGBA',\n event:function(){\n var ctx = mod.img.getContext(\"2d\")\n var img = ctx.getImageData(0,0,mod.img.width,mod.img.height)\n mods.output(mod,'image',img)}}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // on-screen drawing canvas\n //\n var canvas = document.createElement('canvas')\n canvas.width = mods.ui.canvas\n canvas.height = mods.ui.canvas\n canvas.style.backgroundColor = 'rgb(255,255,255)'\n div.appendChild(canvas)\n mod.canvas = canvas\n div.appendChild(document.createElement('br'))\n //\n // off-screen image canvas\n //\n var canvas = document.createElement('canvas')\n mod.img = canvas\n //\n // view button\n //\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('view'))\n btn.addEventListener('click',function(){\n var win = window.open('')\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n })\n win.document.body.appendChild(btn)\n win.document.body.appendChild(document.createElement('br'))\n win.document.body.appendChild(document.createTextNode('green:interior, blue:exterior, red:boundary'))\n win.document.body.appendChild(document.createElement('br'))\n var canvas = document.createElement('canvas')\n canvas.width = mod.img.width\n canvas.height = mod.img.height\n win.document.body.appendChild(canvas)\n var ctx = canvas.getContext(\"2d\")\n ctx.drawImage(mod.img,0,0)\n })\n div.appendChild(btn)\n }\n//\n// local functions\n//\n// edge detect\n//\nfunction edge_detect() {\n var blob = new Blob(['('+worker.toString()+'())'])\n var url = window.URL.createObjectURL(blob)\n var webworker = new Worker(url)\n webworker.addEventListener('message',function(evt) {\n window.URL.revokeObjectURL(url)\n var h = mod.img.height\n var w = mod.img.width\n var buf = new Uint8ClampedArray(evt.data.buffer)\n var imgdata = new ImageData(buf,w,h)\n var ctx = mod.img.getContext(\"2d\")\n ctx.putImageData(imgdata,0,0)\n if (w > h) {\n var x0 = 0\n var y0 = mod.canvas.height*.5*(1-h/w)\n var wd = mod.canvas.width\n var hd = mod.canvas.width*h/w\n }\n else {\n var x0 = mod.canvas.width*.5*(1-w/h)\n var y0 = 0\n var wd = mod.canvas.height*w/h\n var hd = mod.canvas.height\n }\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n ctx.drawImage(mod.img,x0,y0,wd,hd)\n webworker.terminate()\n outputs.image.event()\n })\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n webworker.postMessage({worker:worker.toString(),\n height:mod.input.height,width:mod.input.width,\n buffer:mod.input.data.buffer},\n [mod.input.data.buffer])\n }\nfunction worker() {\n self.addEventListener('message',function(evt) {\n var h = evt.data.height\n var w = evt.data.width\n var input = new Uint8ClampedArray(evt.data.buffer)\n var output = new Uint8ClampedArray(h*w*4)\n var i00,i0m,i0p,im0,ip0,imm,imp,ipm,ipp,row,col\n //\n // find edges - interior\n //\n for (row = 1; row < (h-1); ++row) {\n for (col = 1; col < (w-1); ++col) {\n i00 = (input[(h-1-row)*w*4+col*4+0] \n +input[(h-1-row)*w*4+col*4+1] \n +input[(h-1-row)*w*4+col*4+2])\n i0p = (input[(h-1-row)*w*4+(col+1)*4+0] \n +input[(h-1-row)*w*4+(col+1)*4+1] \n +input[(h-1-row)*w*4+(col+1)*4+2])\n ip0 = (input[(h-2-row)*w*4+col*4+0] \n +input[(h-2-row)*w*4+col*4+1] \n +input[(h-2-row)*w*4+col*4+2])\n ipp = (input[(h-2-row)*w*4+(col+1)*4+0] \n +input[(h-2-row)*w*4+(col+1)*4+1] \n +input[(h-2-row)*w*4+(col+1)*4+2])\n i0m = (input[(h-1-row)*w*4+(col-1)*4+0] \n +input[(h-1-row)*w*4+(col-1)*4+1] \n +input[(h-1-row)*w*4+(col-1)*4+2])\n im0 = (input[(h-row)*w*4+col*4+0] \n +input[(h-row)*w*4+col*4+1] \n +input[(h-row)*w*4+col*4+2])\n imm = (input[(h-row)*w*4+(col-1)*4+0] \n +input[(h-row)*w*4+(col-1)*4+1] \n +input[(h-row)*w*4+(col-1)*4+2])\n imp = (input[(h-row)*w*4+(col+1)*4+0] \n +input[(h-row)*w*4+(col+1)*4+1] \n +input[(h-row)*w*4+(col+1)*4+2])\n ipm = (input[(h-2-row)*w*4+(col-1)*4+0] \n +input[(h-2-row)*w*4+(col-1)*4+1] \n +input[(h-2-row)*w*4+(col-1)*4+2])\n if ((i00 != i0p) || (i00 != ip0) || (i00 != ipp) \n || (i00 != i0m) || (i00 != im0) || (i00 != imm)\n || (i00 != imp) || (i00 != ipm)) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else if (i00 == 0) {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n }\n }\n //\n // left and right edges\n //\n for (row = 1; row < (h-1); ++row) {\n col = w-1\n i00 = (input[(h-1-row)*w*4+col*4+0] \n +input[(h-1-row)*w*4+col*4+1] \n +input[(h-1-row)*w*4+col*4+2])\n i0m = (input[(h-1-row)*w*4+(col-1)*4+0] \n +input[(h-1-row)*w*4+(col-1)*4+1] \n +input[(h-1-row)*w*4+(col-1)*4+2])\n imm = (input[(h-row)*w*4+(col-1)*4+0] \n +input[(h-row)*w*4+(col-1)*4+1] \n +input[(h-row)*w*4+(col-1)*4+2])\n ipm = (input[(h-2-row)*w*4+(col-1)*4+0] \n +input[(h-2-row)*w*4+(col-1)*4+1] \n +input[(h-2-row)*w*4+(col-1)*4+2])\n im0 = (input[(h-row)*w*4+col*4+0] \n +input[(h-row)*w*4+col*4+1] \n +input[(h-row)*w*4+col*4+2])\n ip0 = (input[(h-2-row)*w*4+col*4+0] \n +input[(h-2-row)*w*4+col*4+1] \n +input[(h-2-row)*w*4+col*4+2])\n if ((i00 != i0m) || (i00 != ip0) || (i00 != ipm) \n || (i00 != im0) || (i00 != imm)) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else if (i00 == 0) {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n col = 0\n i00 = (input[(h-1-row)*w*4+col*4+0] \n +input[(h-1-row)*w*4+col*4+1] \n +input[(h-1-row)*w*4+col*4+2])\n i0p = (input[(h-1-row)*w*4+(col+1)*4+0] \n +input[(h-1-row)*w*4+(col+1)*4+1] \n +input[(h-1-row)*w*4+(col+1)*4+2])\n imp = (input[(h-row)*w*4+(col+1)*4+0] \n +input[(h-row)*w*4+(col+1)*4+1] \n +input[(h-row)*w*4+(col+1)*4+2])\n ipp = (input[(h-2-row)*w*4+(col+1)*4+0] \n +input[(h-2-row)*w*4+(col+1)*4+1] \n +input[(h-2-row)*w*4+(col+1)*4+2])\n im0 = (input[(h-row)*w*4+col*4+0] \n +input[(h-row)*w*4+col*4+1] \n +input[(h-row)*w*4+col*4+2])\n ip0 = (input[(h-2-row)*w*4+col*4+0] \n +input[(h-2-row)*w*4+col*4+1] \n +input[(h-2-row)*w*4+col*4+2])\n if ((i00 != i0p) || (i00 != ip0) || (i00 != ipp) \n || (i00 != im0) || (i00 != imp)) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else if (i00 == 0) {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n }\n //\n // top and bottom edges\n //\n for (col = 1; col < (w-1); ++col) {\n row = h-1\n i00 = (input[(h-1-row)*w*4+col*4+0] \n +input[(h-1-row)*w*4+col*4+1] \n +input[(h-1-row)*w*4+col*4+2])\n i0m = (input[(h-1-row)*w*4+(col-1)*4+0] \n +input[(h-1-row)*w*4+(col-1)*4+1] \n +input[(h-1-row)*w*4+(col-1)*4+2])\n i0p = (input[(h-1-row)*w*4+(col+1)*4+0] \n +input[(h-1-row)*w*4+(col+1)*4+1] \n +input[(h-1-row)*w*4+(col+1)*4+2])\n imm = (input[(h-row)*w*4+(col-1)*4+0] \n +input[(h-row)*w*4+(col-1)*4+1] \n +input[(h-row)*w*4+(col-1)*4+2])\n im0 = (input[(h-row)*w*4+col*4+0] \n +input[(h-row)*w*4+col*4+1] \n +input[(h-row)*w*4+col*4+2])\n imp = (input[(h-row)*w*4+(col+1)*4+0] \n +input[(h-row)*w*4+(col+1)*4+1] \n +input[(h-row)*w*4+(col+1)*4+2])\n if ((i00 != i0m) || (i00 != i0p) || (i00 != imm) \n || (i00 != im0) || (i00 != imp)) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else if (i00 == 0) {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n row = 0\n i00 = (input[(h-1-row)*w*4+col*4+0] \n +input[(h-1-row)*w*4+col*4+1] \n +input[(h-1-row)*w*4+col*4+2])\n i0m = (input[(h-1-row)*w*4+(col-1)*4+0] \n +input[(h-1-row)*w*4+(col-1)*4+1] \n +input[(h-1-row)*w*4+(col-1)*4+2])\n i0p = (input[(h-1-row)*w*4+(col+1)*4+0] \n +input[(h-1-row)*w*4+(col+1)*4+1] \n +input[(h-1-row)*w*4+(col+1)*4+2])\n ipm = (input[(h-2-row)*w*4+(col-1)*4+0] \n +input[(h-2-row)*w*4+(col-1)*4+1] \n +input[(h-2-row)*w*4+(col-1)*4+2])\n ip0 = (input[(h-2-row)*w*4+col*4+0] \n +input[(h-2-row)*w*4+col*4+1] \n +input[(h-2-row)*w*4+col*4+2])\n ipp = (input[(h-2-row)*w*4+(col+1)*4+0] \n +input[(h-2-row)*w*4+(col+1)*4+1] \n +input[(h-2-row)*w*4+(col+1)*4+2])\n if ((i00 != i0m) || (i00 != i0p) || (i00 != ipm) \n || (i00 != ip0) || (i00 != ipp)) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else if (i00 == 0) {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n }\n //\n // corners\n //\n row = 0\n col = 0\n i00 = (input[(h-1-row)*w*4+col*4+0] \n +input[(h-1-row)*w*4+col*4+1] \n +input[(h-1-row)*w*4+col*4+2])\n i0p = (input[(h-1-row)*w*4+(col+1)*4+0] \n +input[(h-1-row)*w*4+(col+1)*4+1] \n +input[(h-1-row)*w*4+(col+1)*4+2])\n ip0 = (input[(h-2-row)*w*4+col*4+0] \n +input[(h-2-row)*w*4+col*4+1] \n +input[(h-2-row)*w*4+col*4+2])\n ipp = (input[(h-2-row)*w*4+(col+1)*4+0] \n +input[(h-2-row)*w*4+(col+1)*4+1] \n +input[(h-2-row)*w*4+(col+1)*4+2])\n if ((i00 != i0p) || (i00 != ip0) || (i00 != ipp)) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else if (i00 == 0) {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n row = 0\n col = w-1\n i00 = (input[(h-1-row)*w*4+col*4+0] \n +input[(h-1-row)*w*4+col*4+1] \n +input[(h-1-row)*w*4+col*4+2])\n i0m = (input[(h-1-row)*w*4+(col-1)*4+0] \n +input[(h-1-row)*w*4+(col-1)*4+1] \n +input[(h-1-row)*w*4+(col-1)*4+2])\n ip0 = (input[(h-2-row)*w*4+col*4+0] \n +input[(h-2-row)*w*4+col*4+1] \n +input[(h-2-row)*w*4+col*4+2])\n ipm = (input[(h-2-row)*w*4+(col-1)*4+0] \n +input[(h-2-row)*w*4+(col-1)*4+1] \n +input[(h-2-row)*w*4+(col-1)*4+2])\n if ((i00 != i0m) || (i00 != ip0) || (i00 != ipm)) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else if (i00 == 0) {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n row = h-1\n col = 0\n i00 = (input[(h-1-row)*w*4+col*4+0] \n +input[(h-1-row)*w*4+col*4+1] \n +input[(h-1-row)*w*4+col*4+2])\n i0p = (input[(h-1-row)*w*4+(col+1)*4+0] \n +input[(h-1-row)*w*4+(col+1)*4+1] \n +input[(h-1-row)*w*4+(col+1)*4+2])\n im0 = (input[(h-row)*w*4+col*4+0] \n +input[(h-row)*w*4+col*4+1] \n +input[(h-row)*w*4+col*4+2])\n imp = (input[(h-row)*w*4+(col+1)*4+0] \n +input[(h-row)*w*4+(col+1)*4+1] \n +input[(h-row)*w*4+(col+1)*4+2])\n if ((i00 != i0p) || (i00 != im0) || (i00 != imp)) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else if (i00 == 0) {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n row = h-1\n col = w-1\n i00 = (input[(h-1-row)*w*4+col*4+0] \n +input[(h-1-row)*w*4+col*4+1] \n +input[(h-1-row)*w*4+col*4+2])\n i0m = (input[(h-1-row)*w*4+(col-1)*4+0] \n +input[(h-1-row)*w*4+(col-1)*4+1] \n +input[(h-1-row)*w*4+(col-1)*4+2])\n im0 = (input[(h-row)*w*4+col*4+0] \n +input[(h-row)*w*4+col*4+1] \n +input[(h-row)*w*4+col*4+2])\n imm = (input[(h-row)*w*4+(col-1)*4+0] \n +input[(h-row)*w*4+(col-1)*4+1] \n +input[(h-row)*w*4+(col-1)*4+2])\n if ((i00 != i0m) || (i00 != im0) || (i00 != imm)) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else if (i00 == 0) {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n self.postMessage({buffer:output.buffer},[output.buffer])\n })\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"928","left":"2117","inputs":{},"outputs":{}},"0.8903773266711255":{"definition":"//\n// orient edges\n// input is green:interior, blue:exterior, red:boundary\n// output is red 128:north,64:south, green 128:east,64:west, blue 128:start,64:stop\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2016\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the fab modules \n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'orient edges'\n//\n// initialization\n//\nvar init = function() {\n }\n//\n// inputs\n//\nvar inputs = {\n image:{type:'RGBA',\n event:function(evt){\n mod.input = evt.detail\n var ctx = mod.img.getContext(\"2d\")\n ctx.canvas.width = mod.input.width\n ctx.canvas.height = mod.input.height \n ctx.putImageData(mod.input,0,0)\n var ctx = mod.display.getContext(\"2d\")\n ctx.canvas.width = mod.input.width\n ctx.canvas.height = mod.input.height \n orient_edges()\n }}}\n//\n// outputs\n//\nvar outputs = {\n image:{type:'RGBA',\n event:function(){\n var ctx = mod.img.getContext(\"2d\")\n var img = ctx.getImageData(0,0,mod.img.width,mod.img.height)\n mods.output(mod,'image',img)}}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // on-screen drawing canvas\n //\n var canvas = document.createElement('canvas')\n canvas.width = mods.ui.canvas\n canvas.height = mods.ui.canvas\n canvas.style.backgroundColor = 'rgb(255,255,255)'\n div.appendChild(canvas)\n mod.canvas = canvas\n div.appendChild(document.createElement('br'))\n //\n // off-screen image canvas\n //\n var canvas = document.createElement('canvas')\n mod.img = canvas\n //\n // off-screen display canvas\n //\n var canvas = document.createElement('canvas')\n mod.display = canvas\n //\n // view button\n //\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('view'))\n btn.addEventListener('click',function(){\n var win = window.open('')\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n })\n win.document.body.appendChild(btn)\n win.document.body.appendChild(document.createElement('br'))\n win.document.body.appendChild(document.createTextNode('red:north, dark red:south'))\n win.document.body.appendChild(document.createElement('br'))\n win.document.body.appendChild(document.createTextNode('green:east, dark green:west'))\n win.document.body.appendChild(document.createElement('br'))\n win.document.body.appendChild(document.createTextNode('blue:start, dark blue:stop'))\n win.document.body.appendChild(document.createElement('br'))\n var canvas = document.createElement('canvas')\n canvas.width = mod.img.width\n canvas.height = mod.img.height\n win.document.body.appendChild(canvas)\n var ctx = canvas.getContext(\"2d\")\n ctx.drawImage(mod.display,0,0)\n })\n div.appendChild(btn)\n }\n//\n// local functions\n//\n// orient edges\n//\nfunction orient_edges() {\n var blob = new Blob(['('+worker.toString()+'())'])\n var url = window.URL.createObjectURL(blob)\n var webworker = new Worker(url)\n webworker.addEventListener('message',function(evt) {\n window.URL.revokeObjectURL(url)\n var h = mod.img.height\n var w = mod.img.width\n var buf = new Uint8ClampedArray(evt.data.buffer)\n var imgdata = new ImageData(buf,w,h)\n var ctx = mod.img.getContext(\"2d\")\n ctx.putImageData(imgdata,0,0)\n var disp = new Uint8ClampedArray(evt.data.display)\n var dispdata = new ImageData(disp,w,h)\n var ctx = mod.display.getContext(\"2d\")\n ctx.putImageData(dispdata,0,0)\n if (w > h) {\n var x0 = 0\n var y0 = mod.canvas.height*.5*(1-h/w)\n var wd = mod.canvas.width\n var hd = mod.canvas.width*h/w\n }\n else {\n var x0 = mod.canvas.width*.5*(1-w/h)\n var y0 = 0\n var wd = mod.canvas.height*w/h\n var hd = mod.canvas.height\n }\n var w = mod.canvas.width\n var h = mod.canvas.height\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,w,h)\n ctx.drawImage(mod.display,x0,y0,wd,hd)\n webworker.terminate()\n outputs.image.event()\n })\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n webworker.postMessage({\n height:mod.input.height,width:mod.input.width,\n buffer:mod.input.data.buffer},\n [mod.input.data.buffer])\n }\nfunction worker() {\n self.addEventListener('message',function(evt) {\n var h = evt.data.height\n var w = evt.data.width\n var input = new Uint8ClampedArray(evt.data.buffer)\n var output = new Uint8ClampedArray(h*w*4)\n var row,col\n var boundary = 0\n var interior = 1\n var exterior = 2\n var alpha = 3\n var northsouth = 0\n var north = 128\n var south = 64\n var eastwest = 1\n var east = 128\n var west = 64\n var startstop = 2\n var start = 128\n var stop = 64\n //\n // orient body states\n //\n for (row = 1; row < (h-1); ++row) {\n for (col = 1; col < (w-1); ++col) {\n output[(h-1-row)*w*4+col*4+northsouth] = 0\n output[(h-1-row)*w*4+col*4+eastwest] = 0\n output[(h-1-row)*w*4+col*4+startstop] = 0\n output[(h-1-row)*w*4+col*4+alpha] = 255\n if (input[(h-1-(row))*w*4+(col)*4+boundary] != 0) {\n if ((input[(h-1-(row+1))*w*4+(col)*4+boundary] != 0)\n && ((input[(h-1-(row))*w*4+(col+1)*4+interior] != 0)\n || (input[(h-1-(row+1))*w*4+(col+1)*4+interior] != 0)))\n output[(h-1-row)*w*4+col*4+northsouth] |= north\n if ((input[(h-1-(row-1))*w*4+(col)*4+boundary] != 0)\n && ((input[(h-1-(row))*w*4+(col-1)*4+interior] != 0)\n || (input[(h-1-(row-1))*w*4+(col-1)*4+interior] != 0)))\n output[(h-1-row)*w*4+col*4+northsouth] |= south\n if ((input[(h-1-(row))*w*4+(col+1)*4+boundary] != 0)\n && ((input[(h-1-(row-1))*w*4+(col)*4+interior] != 0)\n || (input[(h-1-(row-1))*w*4+(col+1)*4+interior] != 0)))\n output[(h-1-row)*w*4+col*4+eastwest] |= east\n if ((input[(h-1-(row))*w*4+(col-1)*4+boundary] != 0)\n && ((input[(h-1-(row+1))*w*4+(col)*4+interior] != 0)\n || (input[(h-1-(row+1))*w*4+(col-1)*4+interior] != 0)))\n output[(h-1-row)*w*4+col*4+eastwest] |= west\n }\n }\n }\n //\n // orient edge states\n //\n for (col = 1; col < (w-1); ++col) {\n row = 0\n output[(h-1-row)*w*4+col*4+northsouth] = 0\n output[(h-1-row)*w*4+col*4+eastwest] = 0\n output[(h-1-row)*w*4+col*4+startstop] = 0\n output[(h-1-row)*w*4+col*4+alpha] = 255\n if (input[(h-1-(row))*w*4+(col)*4+boundary] != 0) {\n if ((input[(h-1-(row+1))*w*4+(col)*4+boundary] != 0)\n && (input[(h-1-(row))*w*4+(col+1)*4+interior] != 0)) {\n output[(h-1-row)*w*4+col*4+northsouth] |= north\n output[(h-1-row)*w*4+col*4+startstop] |= start\n }\n if (input[(h-1-(row))*w*4+(col-1)*4+interior] != 0)\n output[(h-1-row)*w*4+col*4+startstop] |= stop\n }\n row = h-1\n output[(h-1-row)*w*4+col*4+northsouth] = 0\n output[(h-1-row)*w*4+col*4+eastwest] = 0\n output[(h-1-row)*w*4+col*4+startstop] = 0\n output[(h-1-row)*w*4+col*4+alpha] = 255\n if (input[(h-1-(row))*w*4+(col)*4+boundary] != 0) {\n if (input[(h-1-(row))*w*4+(col+1)*4+interior] != 0)\n output[(h-1-row)*w*4+col*4+startstop] |= stop\n if ((input[(h-1-(row-1))*w*4+(col)*4+boundary] != 0)\n && (input[(h-1-(row))*w*4+(col-1)*4+interior] != 0)) {\n output[(h-1-row)*w*4+col*4+northsouth] |= south\n output[(h-1-row)*w*4+col*4+startstop] |= start\n }\n }\n }\n for (row = 1; row < (h-1); ++row) {\n col = 0\n output[(h-1-row)*w*4+col*4+northsouth] = 0\n output[(h-1-row)*w*4+col*4+eastwest] = 0\n output[(h-1-row)*w*4+col*4+startstop] = 0\n output[(h-1-row)*w*4+col*4+alpha] = 255\n if (input[(h-1-(row))*w*4+(col)*4+boundary] != 0) {\n if ((input[(h-1-(row))*w*4+(col+1)*4+boundary] != 0)\n && (input[(h-1-(row-1))*w*4+(col)*4+interior] != 0)) {\n output[(h-1-row)*w*4+col*4+eastwest] |= east\n output[(h-1-row)*w*4+col*4+startstop] |= start\n }\n if (input[(h-1-(row+1))*w*4+(col)*4+interior] != 0)\n output[(h-1-row)*w*4+col*4+startstop] |= stop\n }\n col = w-1\n output[(h-1-row)*w*4+col*4+northsouth] = 0\n output[(h-1-row)*w*4+col*4+eastwest] = 0\n output[(h-1-row)*w*4+col*4+startstop] = 0\n output[(h-1-row)*w*4+col*4+alpha] = 255\n if (input[(h-1-(row))*w*4+(col)*4+boundary] != 0) {\n if (input[(h-1-(row-1))*w*4+(col)*4+interior] != 0)\n output[(h-1-row)*w*4+col*4+startstop] |= stop\n if ((input[(h-1-(row))*w*4+(col-1)*4+boundary] != 0)\n && (input[(h-1-(row+1))*w*4+(col)*4+interior] != 0)) {\n output[(h-1-row)*w*4+col*4+eastwest] |= west\n output[(h-1-row)*w*4+col*4+startstop] |= start\n }\n }\n }\n //\n // orient corner states (todo)\n //\n row = 0\n col = 0\n output[(h-1-row)*w*4+col*4+northsouth] = 0\n output[(h-1-row)*w*4+col*4+eastwest] = 0\n output[(h-1-row)*w*4+col*4+startstop] = 0\n output[(h-1-row)*w*4+col*4+alpha] = 255\n row = h-1\n col = 0\n output[(h-1-row)*w*4+col*4+northsouth] = 0\n output[(h-1-row)*w*4+col*4+eastwest] = 0\n output[(h-1-row)*w*4+col*4+startstop] = 0\n output[(h-1-row)*w*4+col*4+alpha] = 255\n row = 0\n col = w-1\n output[(h-1-row)*w*4+col*4+northsouth] = 0\n output[(h-1-row)*w*4+col*4+eastwest] = 0\n output[(h-1-row)*w*4+col*4+startstop] = 0\n output[(h-1-row)*w*4+col*4+alpha] = 255\n row = h-1\n col = w-1\n output[(h-1-row)*w*4+col*4+northsouth] = 0\n output[(h-1-row)*w*4+col*4+eastwest] = 0\n output[(h-1-row)*w*4+col*4+startstop] = 0\n output[(h-1-row)*w*4+col*4+alpha] = 255\n //\n // invert background for display\n //\n var display = new Uint8ClampedArray(h*w*4)\n var r,g,b,i\n for (row = 0; row < h; ++row) {\n for (col = 0; col < w; ++col) {\n r = output[(h-1-row)*w*4+col*4+0]\n g = output[(h-1-row)*w*4+col*4+1]\n b = output[(h-1-row)*w*4+col*4+2]\n i = r+g+b\n if (i != 0) { \n display[(h-1-row)*w*4+col*4+0] = output[(h-1-row)*w*4+col*4+0]\n display[(h-1-row)*w*4+col*4+1] = output[(h-1-row)*w*4+col*4+1]\n display[(h-1-row)*w*4+col*4+2] = output[(h-1-row)*w*4+col*4+2]\n display[(h-1-row)*w*4+col*4+3] = output[(h-1-row)*w*4+col*4+3]\n }\n else {\n display[(h-1-row)*w*4+col*4+0] = 255\n display[(h-1-row)*w*4+col*4+1] = 255\n display[(h-1-row)*w*4+col*4+2] = 255\n display[(h-1-row)*w*4+col*4+3] = 255\n }\n }\n }\n //\n // return output\n //\n self.postMessage({buffer:output.buffer,display:display.buffer},[output.buffer,display.buffer])\n })\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"831","left":"2600","inputs":{},"outputs":{}},"0.3135579179893032":{"definition":"//\n// distance transform \n// assumes thresholded image, with zero intensity exterior\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2015,6\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the fab modules \n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'offset'\n//\n// initialization\n//\nvar init = function() {\n mod.offset.value = ''\n }\n//\n// inputs\n//\nvar inputs = {\n distances:{type:'F32',\n event:function(evt){\n mod.distances = evt.detail\n var h = mod.distances.height\n var w = mod.distances.width\n var ctx = mod.img.getContext(\"2d\")\n ctx.canvas.height = mod.distances.height \n ctx.canvas.width = mod.distances.width\n if (mod.offset.value != '')\n offset()\n }},\n offset:{type:'number',\n event:function(evt){\n mod.offset.value = evt.detail\n offset()}}}\n//\n// outputs\n//\nvar outputs = {\n image:{type:'RGBA',\n event:function(){\n var ctx = mod.img.getContext(\"2d\")\n var img = ctx.getImageData(0,0,mod.img.width,mod.img.height)\n mods.output(mod,'image',img)}}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // on-screen drawing canvas\n //\n var canvas = document.createElement('canvas')\n canvas.width = mods.ui.canvas\n canvas.height = mods.ui.canvas\n canvas.style.backgroundColor = 'rgb(255,255,255)'\n div.appendChild(canvas)\n mod.canvas = canvas\n div.appendChild(document.createElement('br'))\n //\n // off-screen image canvas\n //\n var canvas = document.createElement('canvas')\n mod.img = canvas\n //\n // offset value\n //\n div.appendChild(document.createTextNode('offset (pixels): '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('change',function(){\n offset()\n })\n div.appendChild(input)\n mod.offset = input\n //\n // view button\n //\n div.appendChild(document.createElement('br'))\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('view'))\n btn.addEventListener('click',function(){\n var win = window.open('')\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n })\n win.document.body.appendChild(btn)\n win.document.body.appendChild(document.createElement('br'))\n var canvas = document.createElement('canvas')\n canvas.width = mod.img.width\n canvas.height = mod.img.height\n win.document.body.appendChild(canvas)\n var ctx = canvas.getContext(\"2d\")\n ctx.drawImage(mod.img,0,0)\n })\n div.appendChild(btn)\n }\n//\n// local functions\n//\n// offset\n//\nfunction offset() {\n var blob = new Blob(['('+worker.toString()+'())'])\n var url = window.URL.createObjectURL(blob)\n var webworker = new Worker(url)\n webworker.addEventListener('message',function(evt) {\n window.URL.revokeObjectURL(url)\n var h = mod.distances.height\n var w = mod.distances.width\n var buf = new Uint8ClampedArray(evt.data.buffer)\n var imgdata = new ImageData(buf,w,h)\n var ctx = mod.img.getContext(\"2d\")\n ctx.putImageData(imgdata,0,0)\n if (w > h) {\n var x0 = 0\n var y0 = mod.canvas.height*.5*(1-h/w)\n var wd = mod.canvas.width\n var hd = mod.canvas.width*h/w\n }\n else {\n var x0 = mod.canvas.width*.5*(1-w/h)\n var y0 = 0\n var wd = mod.canvas.height*w/h\n var hd = mod.canvas.height\n }\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n ctx.drawImage(mod.img,x0,y0,wd,hd)\n webworker.terminate()\n outputs.image.event()\n })\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n var offset = parseFloat(mod.offset.value)\n webworker.postMessage({\n height:mod.distances.height,width:mod.distances.width,\n offset:offset,buffer:mod.distances.buffer})\n }\n//\n// offset worker\n//\nfunction worker() {\n self.addEventListener('message',function(evt) {\n var h = evt.data.height\n var w = evt.data.width\n var offset = evt.data.offset\n var input = new Float32Array(evt.data.buffer)\n var output = new Uint8ClampedArray(4*h*w)\n for (var row = 0; row < h; ++row) {\n for (var col = 0; col < w; ++col) {\n if (input[(h-1-row)*w+col] <= offset) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n }\n }\n self.postMessage({buffer:output.buffer},[output.buffer])\n })\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"462","left":"2986","inputs":{},"outputs":{}},"0.6488303557466412":{"definition":"//\n// image threshold\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2015,6\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the fab modules \n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'image threshold'\n//\n// initialization\n//\nvar init = function() {\n mod.threshold.value = 0.5\n }\n//\n// inputs\n//\nvar inputs = {\n image:{type:'RGBA',\n event:function(evt){\n mod.input = evt.detail\n var ctx = mod.img.getContext(\"2d\")\n ctx.canvas.width = mod.input.width\n ctx.canvas.height = mod.input.height \n ctx.putImageData(mod.input,0,0)\n threshold_image()}}}\n//\n// outputs\n//\nvar outputs = {\n image:{type:'RGBA',\n event:function(){\n var ctx = mod.img.getContext(\"2d\")\n var img = ctx.getImageData(0,0,mod.img.width,mod.img.height)\n mods.output(mod,'image',img)}}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // on-screen drawing canvas\n //\n var canvas = document.createElement('canvas')\n canvas.width = mods.ui.canvas\n canvas.height = mods.ui.canvas\n canvas.style.backgroundColor = 'rgb(255,255,255)'\n div.appendChild(canvas)\n mod.canvas = canvas\n div.appendChild(document.createElement('br'))\n //\n // off-screen image canvas\n //\n var canvas = document.createElement('canvas')\n mod.img = canvas\n //\n // threshold value\n //\n div.appendChild(document.createTextNode('threshold (0-1): '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('change',function(){\n threshold_image()\n })\n div.appendChild(input)\n mod.threshold = input\n div.appendChild(document.createElement('br'))\n //\n // view button\n //\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('view'))\n btn.addEventListener('click',function(){\n var win = window.open('')\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n })\n win.document.body.appendChild(btn)\n win.document.body.appendChild(document.createElement('br'))\n var canvas = document.createElement('canvas')\n canvas.width = mod.img.width\n canvas.height = mod.img.height\n win.document.body.appendChild(canvas)\n var ctx = canvas.getContext(\"2d\")\n ctx.drawImage(mod.img,0,0)\n })\n div.appendChild(btn)\n }\n//\n// local functions\n//\n// threshold image\n//\nfunction threshold_image() {\n var blob = new Blob(['('+worker.toString()+'())'])\n var url = window.URL.createObjectURL(blob)\n var webworker = new Worker(url)\n webworker.addEventListener('message',function(evt) {\n window.URL.revokeObjectURL(url)\n var h = mod.img.height\n var w = mod.img.width\n var buf = new Uint8ClampedArray(evt.data.buffer)\n var imgdata = new ImageData(buf,w,h)\n var ctx = mod.img.getContext(\"2d\")\n ctx.putImageData(imgdata,0,0)\n if (w > h) {\n var x0 = 0\n var y0 = mod.canvas.height*.5*(1-h/w)\n var wd = mod.canvas.width\n var hd = mod.canvas.width*h/w\n }\n else {\n var x0 = mod.canvas.width*.5*(1-w/h)\n var y0 = 0\n var wd = mod.canvas.height*w/h\n var hd = mod.canvas.height\n }\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n ctx.drawImage(mod.img,x0,y0,wd,hd)\n webworker.terminate()\n outputs.image.event()\n })\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n var t = parseFloat(mod.threshold.value)\n var ctx = mod.img.getContext(\"2d\")\n ctx.putImageData(mod.input,0,0)\n var img = ctx.getImageData(0,0,mod.img.width,mod.img.height)\n webworker.postMessage({\n height:mod.input.height,width:mod.input.width,threshold:t,\n buffer:img.data.buffer},\n [img.data.buffer])\n }\nfunction worker() {\n self.addEventListener('message',function(evt) {\n var h = evt.data.height\n var w = evt.data.width\n var t = evt.data.threshold\n var buf = new Uint8ClampedArray(evt.data.buffer)\n var r,g,b,a,i\n for (var row = 0; row < h; ++row) {\n for (var col = 0; col < w; ++col) {\n r = buf[(h-1-row)*w*4+col*4+0] \n g = buf[(h-1-row)*w*4+col*4+1] \n b = buf[(h-1-row)*w*4+col*4+2] \n a = buf[(h-1-row)*w*4+col*4+3] \n i = (r+g+b)/(3*255)\n if (a == 0)\n val = 255\n else if (i > t)\n var val = 255\n else\n var val = 0\n buf[(h-1-row)*w*4+col*4+0] = val\n buf[(h-1-row)*w*4+col*4+1] = val\n buf[(h-1-row)*w*4+col*4+2] = val\n buf[(h-1-row)*w*4+col*4+3] = 255\n }\n }\n self.postMessage({buffer:buf.buffer},[buf.buffer])\n })\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"12","left":"1494","inputs":{},"outputs":{}},"0.4793941661670936":{"definition":"//\n// save file\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2016\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the mods\n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'save file'\n//\n// initialization\n//\nvar init = function() {\n }\n//\n// inputs\n//\nvar inputs = {\n file:{type:'object',\n event:function(evt){\n mod.name = evt.detail.name\n mod.contents = evt.detail.contents\n save_file()\n }}}\n//\n// outputs\n//\nvar outputs = {}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // info\n //\n var text = document.createTextNode('name:')\n div.appendChild(text)\n mod.nametext = text\n div.appendChild(document.createElement('br'))\n var text = document.createTextNode('size:')\n div.appendChild(text)\n mod.sizetext = text\n div.appendChild(document.createElement('br'))\n }\n//\n// local functions\n//\nfunction save_file() {\n var a = document.createElement('a')\n a.setAttribute('href','data:text/plain;charset=utf-8,'+ \n encodeURIComponent(mod.contents))\n a.setAttribute('download',mod.name)\n a.style.display = 'none'\n document.body.appendChild(a)\n a.click()\n document.body.removeChild(a)\n mod.nametext.nodeValue = 'name: '+mod.name\n mods.fit(mod.div)\n mod.sizetext.nodeValue = 'size: '+mod.contents.length\n mods.fit(mod.div)\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"1225","left":"1239","inputs":{},"outputs":{}},"0.6248369051648597":{"definition":"//\n// view toolpath\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2016\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the mods\n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// todo:\n// erase and update new path\n// show depth info\n// show size\n// calculate camera far\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'view toolpath'\n//\n// initialization\n//\nvar init = function() {\n }\n//\n// inputs\n//\nvar inputs = {\n toolpath:{type:'object',\n event:function(evt){\n mod.path = evt.detail.path\n mod.name = evt.detail.name\n mod.dpi = evt.detail.dpi\n mod.width = evt.detail.width\n mod.height = evt.detail.height\n mod.depth = evt.detail.depth\n show_path_info()\n show_path()\n outputs.toolpath.event()\n }}}\n//\n// outputs\n//\nvar outputs = {\n toolpath:{type:'object',\n event:function(){\n cmd = {}\n cmd.path = mod.path\n cmd.name = mod.name\n cmd.dpi = mod.dpi\n cmd.width = mod.width\n cmd.height = mod.height\n mods.output(mod,'toolpath',cmd)\n }}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // info\n //\n var text = document.createTextNode('name: ')\n div.appendChild(text)\n mod.nametext = text\n div.appendChild(document.createElement('br'))\n var text = document.createTextNode('(mm)')\n div.appendChild(text)\n mod.mmtext = text\n div.appendChild(document.createElement('br'))\n var text = document.createTextNode('(in)')\n div.appendChild(text)\n mod.intext = text\n //\n // view\n // \n div.appendChild(document.createElement('br')) \n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n var span = document.createElement('span')\n var text = document.createTextNode('view')\n span.appendChild(text)\n btn.appendChild(span)\n btn.addEventListener('click',function(){\n open_view_window()\n })\n div.appendChild(btn)\n }\n//\n// local functions\n//\n// show_path_info\n//\nfunction show_path_info() {\n mod.nametext.nodeValue = 'name: '+mod.name\n var width = (25.4*mod.width/mod.dpi).toFixed(3)\n var height = (25.4*mod.height/mod.dpi).toFixed(3)\n var depth = (25.4*mod.depth/mod.dpi).toFixed(3)\n if (mod.depth == undefined)\n mod.mmtext.nodeValue = width+' x '+height+' (mm)'\n else\n mod.mmtext.nodeValue = width+' x '+height+' x '+depth+' (mm)'\n var width = (mod.width/mod.dpi).toFixed(3)\n var height = (mod.height/mod.dpi).toFixed(3)\n var depth = (mod.depth/mod.dpi).toFixed(3)\n if (mod.depth == undefined)\n mod.intext.nodeValue = width+' x '+height+' (in)'\n else\n mod.intext.nodeValue = width+' x '+height+' x '+depth+' (in)'\n mods.fit(mod.div)\n }\n//\n// show_path\n//\nfunction show_path() {\n var scene = mod.scene\n var camera = mod.camera\n var renderer = mod.renderer\n //\n // check if view window open\n //\n if (mod.win == undefined) {\n open_view_window()\n return\n }\n //\n // check for path\n //\n if (mod.path == undefined)\n return\n //\n // clear scene, leave camera\n //\n var length = scene.children.length\n for (var c = (length-1); c > 1; --c) {\n scene.remove(scene.children[c])\n }\n //\n // fit camera\n //\n mod.thetaxy = 0\n mod.thetaz = 0\n mod.r = mod.height/2\n mod.x0 = mod.width/2\n mod.y0 = mod.height/2\n camera.position.set(mod.x0,mod.y0,mod.r)\n camera.up = new THREE.Vector3(0,1,0)\n camera.lookAt(new THREE.Vector3(mod.x0,mod.y0,0))\n camera.updateProjectionMatrix()\n //\n // draw segments\n //\n var arrow_size = 1+mod.width/200\n var path = mod.path\n for (var segment = 0; segment < path.length; ++segment) {\n if (segment > 0)\n add_arrow(path[segment-1][path[segment-1].length-1],path[segment][0],0xff0000,arrow_size) \n for (var point = 1; point < path[segment].length; ++point) {\n add_arrow(path[segment][point-1],path[segment][point],0x0000ff,arrow_size)\n }\n }\n //\n // add axes\n //\n var length = mod.height/10\n add_arrow([0,0,0],[length,0,0],0xff0000,arrow_size)\n add_arrow([0,0,0],[0,length,0],0x00ff00,arrow_size)\n add_arrow([0,0,0],[0,0,length],0x0000ff,arrow_size)\n //\n // render\n //\n update()\n //\n // add_arrow\n //\n function add_arrow(start,stop,color,size) {\n var origin = new THREE.Vector3().fromArray(start)\n if (mod.depth == undefined)\n origin.z = 0\n var end = new THREE.Vector3().fromArray(stop)\n if (mod.depth == undefined)\n end.z = 0\n var length = new THREE.Vector3().subVectors(end,origin).length()\n if (length <= size) {\n add_line(origin,end,color)\n //length = 1.1*size\n return\n }\n var direction = new THREE.Vector3().subVectors(end,origin).normalize()\n var arrow = new THREE.ArrowHelper(direction,origin,length,color,size,size)\n scene.add(arrow)\n }\n //\n // add_line\n //\n function add_line(start,stop,colorhex) {\n var geometry = new THREE.Geometry()\n geometry.vertices.push(start,stop)\n var material = new THREE.LineBasicMaterial({color:colorhex})\n var line = new THREE.Line(geometry,material)\n scene.add(line)\n }\n //\n // update\n //\n function update() {\n\t renderer.render(scene,camera)\n }\n }\n//\n// open_view_window\n//\nfunction open_view_window() {\n //\n // globals\n //\n var container,scene,camera,renderer,win,controls\n //\n // open the window\n //\n open_window()\n //\n // open_window\n //\n function open_window() {\n //\n // open window\n //\n win = window.open('')\n mod.win = win\n //\n // load three.js\n //\n var script = document.createElement('script')\n script.type = 'text/javascript'\n script.onload = init_window\n script.src = 'js/three.js/three.min.js'\n mod.div.appendChild(script)\n }\n //\n // init_window\n //\n function init_window() {\n //\n // close button\n //\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n mod.win = undefined\n })\n win.document.body.appendChild(btn)\n //\n // label text\n //\n var text = win.document.createTextNode(' left: pan, right: rotate, scroll: zoom')\n win.document.body.appendChild(text)\n //\n // GL container\n //\n win.document.body.appendChild(document.createElement('br')) \n container = win.document.createElement('div')\n container.style.overflow = 'hidden'\n win.document.body.appendChild(container)\n //\n // event handlers\n //\n container.addEventListener('contextmenu',context_menu)\n container.addEventListener('mousedown',mouse_down)\n container.addEventListener('mouseup',mouse_up)\n container.addEventListener('mousemove',mouse_move)\n container.addEventListener('wheel',mouse_wheel)\n //\n // add scene\n //\n\t scene = new THREE.Scene()\n\t mod.scene = scene\n\t var width = win.innerWidth\n\t var height = win.innerHeight\n\t var aspect = width/height\n\t var near = 0.1\n\t var far = 1000000\n\t camera = new THREE.PerspectiveCamera(90,aspect,near,far)\n\t mod.camera = camera\n\t scene.add(camera)\n\t //\n\t // add renderer\n\t //\n renderer = new THREE.WebGLRenderer({antialias:true})\n mod.renderer = renderer\n renderer.setClearColor(0xffffff)\n\t renderer.setSize(width,height)\n\t container.appendChild(renderer.domElement)\n //\n // show the path if available\n //\n show_path()\n }\n //\n // context_menu\n //\n function context_menu(evt) {\n evt.preventDefault()\n evt.stopPropagation()\n return (false)\n }\n //\n // mouse_down\n //\n function mouse_down(evt) {\n evt.preventDefault()\n evt.stopPropagation()\n mod.button = evt.button\n mod.x = evt.clientX\n mod.y = evt.clientY\n }\n //\n // mouse_up\n //\n function mouse_up(evt) {\n mod.button = undefined\n mod.x = evt.clientX\n mod.y = evt.clientY\n }\n //\n // mouse_move\n //\n function mouse_move(evt) {\n evt.preventDefault()\n evt.stopPropagation()\n var dx = evt.clientX-mod.x\n var dy = evt.clientY-mod.y\n mod.x = evt.clientX\n mod.y = evt.clientY\n if (mod.button == 0) {\n mod.x0 += \n Math.sin(mod.thetaz)*mod.height*dy/win.innerHeight\n -Math.cos(mod.thetaz)*mod.width*dx/win.innerWidth\n mod.y0 += \n Math.cos(mod.thetaz)*mod.height*dy/win.innerHeight\n +Math.sin(mod.thetaz)*mod.width*dx/win.innerWidth\n camera.position.x = mod.x0+Math.sin(mod.thetaz)*mod.r*Math.sin(mod.thetaxy)\n camera.position.y = mod.y0+Math.cos(mod.thetaz)*mod.r*Math.sin(mod.thetaxy)\n camera.position.z = mod.r*Math.cos(mod.thetaxy)\n camera.position.z = mod.r*Math.cos(mod.thetaxy)\n\t camera.up = new THREE.Vector3(Math.sin(mod.thetaz),Math.cos(mod.thetaz),0)\n\t camera.lookAt(new THREE.Vector3(mod.x0,mod.y0,0))\n camera.updateProjectionMatrix()\n\t renderer.render(scene,camera)\n\t }\n else if (mod.button == 2) {\n mod.thetaxy += dy/win.innerHeight\n mod.thetaz += dx/win.innerWidth\n camera.position.x = mod.x0+Math.sin(mod.thetaz)*mod.r*Math.sin(mod.thetaxy)\n camera.position.y = mod.y0+Math.cos(mod.thetaz)*mod.r*Math.sin(mod.thetaxy)\n camera.position.z = mod.r*Math.cos(mod.thetaxy)\n\t camera.up = new THREE.Vector3(Math.sin(mod.thetaz),Math.cos(mod.thetaz),0)\n\t camera.lookAt(new THREE.Vector3(mod.x0,mod.y0,0))\n camera.updateProjectionMatrix()\n\t renderer.render(scene,camera)\n\t }\n }\n //\n // mouse_wheel\n //\n function mouse_wheel(evt) {\n evt.preventDefault()\n evt.stopPropagation()\n var dy = evt.deltaY/win.innerHeight\n mod.r += mod.height*dy\n camera.position.x = mod.x0+Math.sin(mod.thetaz)*mod.r*Math.sin(mod.thetaxy)\n camera.position.y = mod.y0+Math.cos(mod.thetaz)*mod.r*Math.sin(mod.thetaxy)\n camera.position.z = mod.r*Math.cos(mod.thetaxy)\n\t camera.lookAt(new THREE.Vector3(mod.x0,mod.y0,0))\n camera.updateProjectionMatrix()\n\t renderer.render(scene,camera)\n }\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"817","left":"752","inputs":{},"outputs":{}},"0.23780413326993044":{"definition":"//\n// distance transform \n// assumes thresholded image, with zero intensity exterior\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2015,6\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the mods\n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'distance transform'\n//\n// initialization\n//\nvar init = function() {\n }\n//\n// inputs\n//\nvar inputs = {\n image:{type:'RGBA',\n event:function(evt){\n mod.input = evt.detail\n var ctx = mod.img.getContext(\"2d\")\n ctx.canvas.width = mod.input.width\n ctx.canvas.height = mod.input.height \n ctx.putImageData(mod.input,0,0)\n distance_transform()}}}\n//\n// outputs\n//\nvar outputs = {\n distances:{type:'F32',\n event:function(){\n mod.distances.height = mod.input.height\n mod.distances.width = mod.input.width\n mods.output(mod,'distances',mod.distances)}}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // on-screen drawing canvas\n //\n var canvas = document.createElement('canvas')\n canvas.width = mods.ui.canvas\n canvas.height = mods.ui.canvas\n canvas.style.backgroundColor = 'rgb(255,255,255)'\n div.appendChild(canvas)\n mod.canvas = canvas\n div.appendChild(document.createElement('br'))\n //\n // off-screen image canvas\n //\n var canvas = document.createElement('canvas')\n mod.img = canvas\n //\n // view button\n //\n div.appendChild(document.createElement('br'))\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('view'))\n btn.addEventListener('click',function(){\n var win = window.open('')\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n })\n win.document.body.appendChild(btn)\n win.document.body.appendChild(document.createElement('br'))\n var canvas = document.createElement('canvas')\n canvas.width = mod.img.width\n canvas.height = mod.img.height\n win.document.body.appendChild(canvas)\n var ctx = canvas.getContext(\"2d\")\n ctx.drawImage(mod.img,0,0)\n })\n div.appendChild(btn)\n }\n//\n// local functions\n//\n// distance transform function\n//\nfunction distance_transform() {\n var blob = new Blob(['('+worker.toString()+'())'])\n var url = window.URL.createObjectURL(blob)\n var webworker = new Worker(url)\n webworker.addEventListener('message',function(evt) {\n window.URL.revokeObjectURL(url)\n var h = mod.img.height\n var w = mod.img.width\n mod.distances = new Float32Array(evt.data.buffer)\n var imgbuf = new Uint8ClampedArray(h*w*4)\n var dmax = -Number.MAX_VALUE\n for (var y = 0; y < h; ++y) {\n for (var x = 0; x < w; ++x) {\n if (mod.distances[(h-1-y)*w+x] > dmax)\n dmax = mod.distances[(h-1-y)*w+x]\n }\n }\n var i\n for (var y = 0; y < h; ++y) {\n for (var x = 0; x < w; ++x) {\n i = 255*mod.distances[(h-1-y)*w+x]/dmax\n imgbuf[(h-1-y)*w*4+x*4+0] = i\n imgbuf[(h-1-y)*w*4+x*4+1] = i\n imgbuf[(h-1-y)*w*4+x*4+2] = i\n imgbuf[(h-1-y)*w*4+x*4+3] = 255\n }\n }\n var imgdata = new ImageData(imgbuf,w,h)\n var ctx = mod.img.getContext(\"2d\")\n ctx.putImageData(imgdata,0,0)\n if (w > h) {\n var x0 = 0\n var y0 = mod.canvas.height*.5*(1-h/w)\n var wd = mod.canvas.width\n var hd = mod.canvas.width*h/w\n }\n else {\n var x0 = mod.canvas.width*.5*(1-w/h)\n var y0 = 0\n var wd = mod.canvas.height*w/h\n var hd = mod.canvas.height\n }\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n ctx.drawImage(mod.img,x0,y0,wd,hd)\n webworker.terminate()\n outputs.distances.event()\n })\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n var ctx = mod.img.getContext(\"2d\")\n ctx.putImageData(mod.input,0,0)\n var img = ctx.getImageData(0,0,mod.img.width,mod.img.height)\n webworker.postMessage({\n height:mod.input.height,width:mod.input.width,\n buffer:img.data.buffer},\n [img.data.buffer])\n }\n//\n// distance transform worker\n//\nfunction worker() {\n self.addEventListener('message',function(evt) {\n var ny = evt.data.height\n var nx = evt.data.width\n var input = new Uint8ClampedArray(evt.data.buffer)\n var output = new Float32Array(nx*ny)\n function distance(g,x,y,i) {\n return ((y-i)*(y-i)+g[i][x]*g[i][x])\n }\n function intersection(g,x,y0,y1) {\n return ((g[y0][x]*g[y0][x]-g[y1][x]*g[y1][x]+y0*y0-y1*y1)/(2.0*(y0-y1)))\n }\n //\n // allocate arrays\n //\n var g = []\n for (var y = 0; y < ny; ++y)\n g[y] = new Uint32Array(nx)\n var h = []\n for (var y = 0; y < ny; ++y)\n h[y] = new Uint32Array(nx)\n var distances = []\n for (var y = 0; y < ny; ++y)\n distances[y] = new Uint32Array(nx)\n var starts = new Uint32Array(ny)\n var minimums = new Uint32Array(ny)\n var d\n //\n // column scan\n // \n for (var y = 0; y < ny; ++y) {\n //\n // right pass\n //\n var closest = -nx\n for (var x = 0; x < nx; ++x) {\n if (input[(ny-1-y)*nx*4+x*4+0] != 0) {\n g[y][x] = 0\n closest = x\n }\n else\n g[y][x] = (x-closest)\n }\n //\n // left pass\n //\n closest = 2*nx\n for (var x = (nx-1); x >= 0; --x) {\n if (input[(ny-1-y)*nx*4+x*4+0] != 0)\n closest = x\n else {\n d = (closest-x)\n if (d < g[y][x])\n g[y][x] = d\n }\n }\n }\n //\n // row scan\n //\n for (var x = 0; x < nx; ++x) {\n var segment = 0\n starts[0] = 0\n minimums[0] = 0\n //\n // down \n //\n for (var y = 1; y < ny; ++y) {\n while ((segment >= 0) &&\n (distance(g,x,starts[segment],minimums[segment]) > distance(g,x,starts[segment],y)))\n segment -= 1\n if (segment < 0) {\n segment = 0\n minimums[0] = y\n }\n else {\n newstart = 1+intersection(g,x,minimums[segment],y)\n if (newstart < ny) {\n segment += 1\n minimums[segment] = y\n starts[segment] = newstart\n }\n }\n }\n //\n // up \n //\n for (var y = (ny-1); y >= 0; --y) {\n d = Math.sqrt(distance(g,x,y,minimums[segment]))\n output[(ny-1-y)*nx+x] = d\n if (y == starts[segment])\n segment -= 1\n }\n }\n self.postMessage({buffer:output.buffer},[output.buffer])\n })\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"32","left":"2912","inputs":{},"outputs":{}},"0.5857417886002868":{"definition":"//\n// convert SVG image\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2016\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the mods\n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'convert SVG image'\n//\n// initialization\n//\nvar init = function() {\n mod.dpi.value = 100\n }\n//\n// inputs\n//\nvar inputs = {\n SVG:{type:'string',\n event:function(evt){\n mod.svg = evt.detail\n get_size()\n draw_image()}}}\n//\n// outputs\n//\nvar outputs = {\n image:{type:'RGBA',\n event:function(){\n var ctx = mod.img.getContext(\"2d\")\n var img = ctx.getImageData(0,0,mod.img.width,mod.img.height)\n mods.output(mod,'image',img)}},\n imageInfo:{type:'object',\n event:function(){\n var obj = {}\n obj.name = \"SVG image\"\n obj.dpi = parseFloat(mod.dpi.value)\n obj.width = mod.img.width\n obj.height = mod.img.height\n mods.output(mod,'imageInfo',obj)}}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // on-screen drawing canvas\n //\n var canvas = document.createElement('canvas')\n canvas.width = mods.ui.canvas\n canvas.height = mods.ui.canvas\n canvas.style.backgroundColor = 'rgb(255,255,255)'\n div.appendChild(canvas)\n mod.canvas = canvas\n div.appendChild(document.createElement('br'))\n //\n // off-screen image canvas\n //\n var canvas = document.createElement('canvas')\n mod.img = canvas\n //\n // view button\n //\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('view'))\n btn.addEventListener('click',function(){\n var win = window.open('')\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n })\n win.document.body.appendChild(btn)\n win.document.body.appendChild(document.createElement('br'))\n var canvas = document.createElement('canvas')\n canvas.width = mod.img.width\n canvas.height = mod.img.height\n win.document.body.appendChild(canvas)\n var ctx = canvas.getContext(\"2d\")\n ctx.drawImage(mod.img,0,0)\n })\n div.appendChild(btn)\n //\n // dpi\n //\n div.appendChild(document.createElement('br'))\n div.appendChild(document.createTextNode('dpi: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('change',function(){\n draw_image()\n })\n div.appendChild(input)\n mod.dpi = input\n div.appendChild(document.createTextNode(' (enter)'))\n //\n // units\n //\n div.appendChild(document.createElement('br'))\n div.appendChild(document.createTextNode('units: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('change',function(){\n draw_image()\n })\n div.appendChild(input)\n mod.unitstext = input\n div.appendChild(document.createTextNode(' (enter)'))\n //\n // size\n //\n div.appendChild(document.createElement('br'))\n var text = document.createTextNode('image size:')\n div.appendChild(text)\n div.appendChild(document.createElement('br'))\n var text = document.createTextNode('(pixels)')\n div.appendChild(text)\n mod.pixels = text\n div.appendChild(document.createElement('br'))\n var text = document.createTextNode('(inches)')\n div.appendChild(text)\n mod.inches = text\n div.appendChild(document.createElement('br'))\n var text = document.createTextNode('(mm)')\n div.appendChild(text)\n mod.mm = text\n }\n//\n// local functions\n//\n// get size\n//\nfunction get_size() {\n var i = mod.svg.indexOf(\"width\")\n if (i == -1) {\n var width = 1\n var height = 1\n var units = 90\n }\n else {\n var i1 = mod.svg.indexOf(\"\\\"\",i+1)\n var i2 = mod.svg.indexOf(\"\\\"\",i1+1)\n var width = mod.svg.substring(i1+1,i2)\n i = mod.svg.indexOf(\"height\")\n i1 = mod.svg.indexOf(\"\\\"\",i+1)\n i2 = mod.svg.indexOf(\"\\\"\",i1+1)\n var height = mod.svg.substring(i1+1,i2)\n ih = mod.svg.indexOf(\"height\")\n if (width.indexOf(\"px\") != -1) {\n width = width.slice(0,-2)\n height = height.slice(0,-2)\n var units = 90\n }\n else if (width.indexOf(\"mm\") != -1) {\n width = width.slice(0,-2)\n height = height.slice(0,-2)\n var units = 25.4\n }\n else if (width.indexOf(\"cm\") != -1) {\n width = width.slice(0,-2)\n height = height.slice(0,-2)\n var units = 2.54\n }\n else if (width.indexOf(\"in\") != -1) {\n width = width.slice(0,-2)\n height = height.slice(0,-2)\n var units = 1\n }\n else {\n var units = 90\n }\n }\n mod.width = parseFloat(width)\n mod.height = parseFloat(height)\n mod.units = units\n mod.unitstext.value = units\n }\n//\n// draw image\n//\nfunction draw_image() {\n var dpi = parseFloat(mod.dpi.value)\n var units = parseFloat(mod.unitstext.value)\n var width = parseInt(dpi*mod.width/units)\n var height = parseInt(dpi*mod.height/units)\n mod.pixels.nodeValue = width+' x '+height+\" (pixels)\"\n mod.inches.nodeValue = (width/dpi).toFixed(3)+' x '+(height/dpi).toFixed(3)+\" (inches)\"\n mod.mm.nodeValue = (25.4*width/dpi).toFixed(3)+' x '+(25.4*height/dpi).toFixed(3)+\" (mm)\"\n var src = \"data:image/svg+xml;base64,\"+window.btoa(mod.svg)\n var img = new Image()\n img.setAttribute(\"src\",src)\n img.onload = function() {\n if (width > height) {\n var x0 = 0\n var y0 = mod.canvas.height*.5*(1-height/width)\n var w = mod.canvas.width\n var h = mod.canvas.width*height/width\n }\n else {\n var x0 = mod.canvas.width*.5*(1-width/height)\n var y0 = 0\n var w = mod.canvas.height*width/height\n var h = mod.canvas.height\n }\n mod.img.width = width\n mod.img.height = height\n var ctx = mod.img.getContext(\"2d\")\n ctx.clearRect(0,0,width,height)\n ctx.drawImage(img,0,0,width,height)\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n ctx.drawImage(mod.img,x0,y0,w,h)\n outputs.image.event()\n outputs.imageInfo.event()\n }\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"64","left":"701","inputs":{},"outputs":{}},"0.749132408760488":{"definition":"//\n// vectorize\n// input is red 128:north,64:south, green 128:east,64:west, blue 128:start,64:stop\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2016\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the fab modules \n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'vectorize'\n//\n// initialization\n//\nvar init = function() {\n mod.error.value = 1\n mod.sort.checked = false\n }\n//\n// inputs\n//\nvar inputs = {\n image:{type:'RGBA',\n event:function(evt){\n mod.input = evt.detail\n var ctx = mod.img.getContext(\"2d\")\n ctx.canvas.width = mod.input.width\n ctx.canvas.height = mod.input.height \n ctx.putImageData(mod.input,0,0)\n vectorize()\n }}}\n//\n// outputs\n//\nvar outputs = {\n path:{type:'array',\n event:function(){\n mods.output(mod,'path',mod.path)\n }}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // on-screen SVG\n //\n var svgNS = \"http://www.w3.org/2000/svg\"\n var svg = document.createElementNS(svgNS,\"svg\")\n svg.setAttribute('id',mod.div.id+'svg')\n svg.setAttributeNS(\"http://www.w3.org/2000/xmlns/\",\n \"xmlns:xlink\",\"http://www.w3.org/1999/xlink\")\n svg.setAttribute('width',mods.ui.canvas)\n svg.setAttribute('height',mods.ui.canvas)\n svg.style.backgroundColor = 'rgb(255,255,255)'\n var g = document.createElementNS(svgNS,'g')\n g.setAttribute('id',mod.div.id+'g')\n svg.appendChild(g)\n div.appendChild(svg)\n div.appendChild(document.createElement('br')) \n //\n // off-screen image canvas\n //\n var canvas = document.createElement('canvas')\n mod.img = canvas\n //\n // error value\n //\n div.appendChild(document.createTextNode('vector fit (pixels): '))\n //div.appendChild(document.createElement('br'))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('change',function(){\n vectorize()\n })\n div.appendChild(input)\n mod.error = input\n div.appendChild(document.createElement('br'))\n //\n // sort\n //\n div.appendChild(document.createTextNode('sort distance: '))\n var input = document.createElement('input')\n input.type = 'checkbox'\n input.id = mod.div.id+'sort'\n input.checked = true\n div.appendChild(input)\n mod.sort = input\n div.appendChild(document.createElement('br'))\n //\n // view button\n //\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('view'))\n btn.addEventListener('click',function(){\n var win = window.open('')\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n })\n win.document.body.appendChild(btn)\n win.document.body.appendChild(document.createElement('br'))\n var svg = document.getElementById(mod.div.id+'svg')\n var clone = svg.cloneNode(true)\n clone.setAttribute('width',mod.img.width)\n clone.setAttribute('height',mod.img.height)\n win.document.body.appendChild(clone)\n })\n div.appendChild(btn)\n }\n//\n// local functions\n//\n// vectorize\n//\nfunction vectorize() {\n //\n // draw path\n //\n function draw_path(path) {\n window.URL.revokeObjectURL(url)\n var svg = document.getElementById(mod.div.id+'svg')\n svg.setAttribute('viewBox',\"0 0 \"+(mod.img.width-1)+\" \"+(mod.img.height-1))\n var g = document.getElementById(mod.div.id+'g')\n svg.removeChild(g)\n var g = document.createElementNS('http://www.w3.org/2000/svg','g')\n g.setAttribute('id',mod.div.id+'g')\n var h = mod.img.height\n var w = mod.img.width\n var xend = null\n var yend = null\n //\n // loop over segments\n //\n for (var segment in path) {\n if (path[segment].length > 1) {\n if (xend != null) {\n //\n // draw connection from previous segment\n //\n var line = document.createElementNS('http://www.w3.org/2000/svg','line')\n line.setAttribute('stroke','red')\n line.setAttribute('stroke-width',1)\n line.setAttribute('stroke-linecap','round')\n var x1 = xend\n var y1 = yend\n var x2 = path[segment][0][0]\n var y2 = h-path[segment][0][1]-1\n line.setAttribute('x1',x1)\n line.setAttribute('y1',y1)\n line.setAttribute('x2',x2)\n line.setAttribute('y2',y2)\n var dx = x2-x1\n var dy = y2-y1\n var d = Math.sqrt(dx*dx+dy*dy)\n if (d > 0) {\n nx = 6*dx/d\n ny = 6*dy/d\n var tx = 3*dy/d\n var ty = -3*dx/d\n g.appendChild(line)\n triangle = document.createElementNS('http://www.w3.org/2000/svg','polygon')\n triangle.setAttribute('points',x2+','+y2+' '+(x2-nx+tx)+','+(y2-ny+ty)\n +' '+(x2-nx-tx)+','+(y2-ny-ty))\n triangle.setAttribute('fill','red')\n g.appendChild(triangle)\n }\n }\n //\n // loop over points\n //\n for (var point = 1; point < path[segment].length; ++point) {\n var line = document.createElementNS('http://www.w3.org/2000/svg','line')\n line.setAttribute('stroke','black')\n line.setAttribute('stroke-width',1)\n line.setAttribute('stroke-linecap','round')\n var x1 = path[segment][point-1][0]\n var y1 = h-path[segment][point-1][1]-1\n var x2 = path[segment][point][0]\n var y2 = h-path[segment][point][1]-1\n xend = x2\n yend = y2\n line.setAttribute('x1',x1)\n line.setAttribute('y1',y1)\n line.setAttribute('x2',x2)\n line.setAttribute('y2',y2)\n var dx = x2-x1\n var dy = y2-y1\n var d = Math.sqrt(dx*dx+dy*dy)\n if (d > 0) {\n nx = 6*dx/d\n ny = 6*dy/d\n var tx = 3*dy/d\n var ty = -3*dx/d\n g.appendChild(line)\n triangle = document.createElementNS('http://www.w3.org/2000/svg','polygon')\n triangle.setAttribute('points',x2+','+y2+' '+(x2-nx+tx)+','+(y2-ny+ty)\n +' '+(x2-nx-tx)+','+(y2-ny-ty))\n triangle.setAttribute('fill','black')\n g.appendChild(triangle)\n }\n }\n }\n }\n svg.appendChild(g)\n }\n //\n // set up worker\n //\n var blob = new Blob(['('+worker.toString()+'())'])\n var url = window.URL.createObjectURL(blob)\n var webworker = new Worker(url)\n webworker.addEventListener('message',function(evt) {\n window.URL.revokeObjectURL(url)\n webworker.terminate()\n mod.path = evt.data.path\n draw_path(mod.path)\n outputs.path.event()\n })\n //\n // call worker\n //\n webworker.postMessage({\n height:mod.input.height,width:mod.input.width,sort:mod.sort.checked,\n error:parseFloat(mod.error.value),\n buffer:mod.input.data.buffer})\n }\n//\n// vectorize worker\n//\nfunction worker() {\n self.addEventListener('message',function(evt) {\n var h = evt.data.height\n var w = evt.data.width\n var sort = evt.data.sort\n var input = new Uint8ClampedArray(evt.data.buffer)\n var northsouth = 0\n var north = 128\n var south = 64\n var eastwest = 1\n var east = 128\n var west = 64\n var startstop = 2\n var start = 128\n var stop = 64\n var path = []\n //\n // edge follower\n //\n function follow_edges(row,col) {\n if ((input[(h-1-row)*w*4+col*4+northsouth] != 0)\n || (input[(h-1-row)*w*4+col*4+eastwest] != 0)) {\n path[path.length] = [[col,row]]\n while (1) {\n if (input[(h-1-row)*w*4+col*4+northsouth] & north) {\n input[(h-1-row)*w*4+col*4+northsouth] =\n input[(h-1-row)*w*4+col*4+northsouth] & ~north\n row += 1\n path[path.length-1][path[path.length-1].length] = [col,row]\n }\n else if (input[(h-1-row)*w*4+col*4+northsouth] & south) {\n input[(h-1-row)*w*4+col*4+northsouth] =\n input[(h-1-row)*w*4+col*4+northsouth] & ~south\n row -= 1\n path[path.length-1][path[path.length-1].length] = [col,row]\n }\n else if (input[(h-1-row)*w*4+col*4+eastwest] & east) {\n input[(h-1-row)*w*4+col*4+eastwest] =\n input[(h-1-row)*w*4+col*4+eastwest] & ~east\n col += 1\n path[path.length-1][path[path.length-1].length] = [col,row]\n }\n else if (input[(h-1-row)*w*4+col*4+eastwest] & west) {\n input[(h-1-row)*w*4+col*4+eastwest] =\n input[(h-1-row)*w*4+col*4+eastwest] & ~west\n col -= 1\n path[path.length-1][path[path.length-1].length] = [col,row]\n }\n else\n break\n }\n }\n }\n //\n // follow boundary starts\n //\n for (var row = 1; row < (h-1); ++row) {\n col = 0\n follow_edges(row,col)\n col = w-1\n follow_edges(row,col)\n }\n for (var col = 1; col < (w-1); ++col) {\n row = 0\n follow_edges(row,col)\n row = h-1 \n follow_edges(row,col)\n }\n //\n // follow interior paths\n //\n for (var row = 1; row < (h-1); ++row) {\n for (var col = 1; col < (w-1); ++col) {\n follow_edges(row,col)\n }\n }\n //\n // vectorize path\n //\n var error = evt.data.error\n var vecpath = []\n for (var seg = 0; seg < path.length; ++seg) {\n var x0 = path[seg][0][0]\n var y0 = path[seg][0][1]\n vecpath[vecpath.length] = [[x0,y0]]\n var xsum = x0\n var ysum = y0\n var sum = 1\n for (var pt = 1; pt < path[seg].length; ++pt) {\n var xold = x\n var yold = y\n var x = path[seg][pt][0]\n var y = path[seg][pt][1]\n if (sum == 1) {\n xsum += x\n ysum += y\n sum += 1\n }\n else {\n var xmean = xsum/sum\n var ymean = ysum/sum\n var dx = xmean-x0\n var dy = ymean-y0\n var d = Math.sqrt(dx*dx+dy*dy)\n var nx = dy/d\n var ny = -dx/d\n var l = Math.abs(nx*(x-x0)+ny*(y-y0))\n if (l < error) {\n xsum += x\n ysum += y\n sum += 1\n }\n else {\n vecpath[vecpath.length-1][vecpath[vecpath.length-1].length] = [xold,yold]\n x0 = xold\n y0 = yold\n xsum = xold\n ysum = yold\n sum = 1\n }\n }\n if (pt == (path[seg].length-1)) {\n vecpath[vecpath.length-1][vecpath[vecpath.length-1].length] = [x,y]\n }\n }\n }\n //\n // sort path\n //\n if ((vecpath.length > 0) && (sort == true)) {\n var dmin = w*w+h*h\n segmin = null\n for (var seg = 0; seg < vecpath.length; ++seg) {\n var x = vecpath[seg][0][0]\n var y = vecpath[seg][0][0]\n var d = x*x+y*y\n if (d < dmin) {\n dmin = d\n segmin = seg\n }\n }\n if (segmin != null) {\n var sortpath = [vecpath[segmin]]\n vecpath.splice(segmin,1)\n }\n while (vecpath.length > 0) {\n var dmin = w*w+h*h\n var x0 = sortpath[sortpath.length-1][sortpath[sortpath.length-1].length-1][0]\n var y0 = sortpath[sortpath.length-1][sortpath[sortpath.length-1].length-1][1]\n segmin = null\n for (var seg = 0; seg < vecpath.length; ++seg) {\n var x = vecpath[seg][0][0]\n var y = vecpath[seg][0][1]\n var d = (x-x0)*(x-x0)+(y-y0)*(y-y0)\n if (d < dmin) {\n dmin = d\n segmin = seg\n }\n }\n if (segmin != null) {\n sortpath[sortpath.length] = vecpath[segmin]\n vecpath.splice(segmin,1)\n }\n }\n }\n else if ((vecpath.length > 0) && (sort == false))\n sortpath = vecpath\n else\n sortpath = []\n //\n // return path\n //\n self.postMessage({path:sortpath})\n })\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"587","left":"1739","inputs":{},"outputs":{}},"0.32734870523599846":{"definition":"//\n// mill raster 2D\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2016\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the mods\n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'mill raster 2D'\n//\n// initialization\n//\nvar init = function() {\n mod.dia_in.value = 0.125\n mod.dia_mm.value = 25.4*parseFloat(mod.dia_in.value)\n mod.cut_in.value = 0.1\n mod.cut_mm.value = 25.4*parseFloat(mod.cut_in.value)\n mod.max_in.value = 0.1\n mod.max_mm.value = 25.4*parseFloat(mod.max_in.value)\n mod.number.value = 1\n mod.stepover.value = 0.5\n mod.merge.value = 1\n mod.reverse.checked = true\n mod.sort.checked = false\n }\n//\n// inputs\n//\nvar inputs = {\n imageInfo:{type:'object',\n event:function(evt){\n mod.name = evt.detail.name\n mod.dpi = evt.detail.dpi\n mod.width = evt.detail.width\n mod.height = evt.detail.height\n var ctx = mod.img.getContext(\"2d\")\n ctx.canvas.width = mod.width\n ctx.canvas.height = mod.height \n }},\n path:{type:'array',\n event:function(evt){\n if (mod.label.nodeValue == 'calculating') {\n draw_path(evt.detail)\n accumulate_path(evt.detail)\n mod.offsetCount += 1\n if ((mod.offsetCount != parseInt(mod.number.value)) && (evt.detail.length > 0)) {\n mod.offset += parseFloat(mod.stepover.value)\n outputs.offset.event()\n }\n else {\n mod.label.nodeValue = 'calculate'\n mod.labelspan.style.fontWeight = 'normal'\n merge_path()\n clear_path()\n draw_path(mod.path)\n draw_connections()\n add_depth()\n outputs.toolpath.event()\n }\n }\n }\n }\n }\n//\n// outputs\n//\nvar outputs = {\n diameter:{type:'number',\n event:function(){\n mods.output(mod,'diameter',Math.ceil(mod.dpi*mod.dia_in.value));\n }\n },\n offset:{type:'number',\n event:function(){\n var pixels = mod.offset*parseFloat(mod.dia_in.value)*mod.dpi\n mods.output(mod,'offset',pixels)\n }\n },\n toolpath:{type:'object',\n event:function(){\n cmd = {}\n cmd.path = mod.path\n cmd.name = mod.name\n cmd.dpi = mod.dpi\n cmd.width = mod.width\n cmd.height = mod.height\n cmd.depth = mod.depth\n mods.output(mod,'toolpath',cmd)\n }\n }\n }\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // tool diameter\n //\n div.appendChild(document.createTextNode('tool diameter'))\n div.appendChild(document.createElement('br'))\n div.appendChild(document.createTextNode('mm: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('input',function(){\n mod.dia_in.value = parseFloat(mod.dia_mm.value)/25.4\n })\n div.appendChild(input)\n mod.dia_mm = input\n div.appendChild(document.createTextNode(' in: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('input',function(){\n mod.dia_mm.value = parseFloat(mod.dia_in.value)*25.4\n })\n div.appendChild(input)\n mod.dia_in = input\n div.appendChild(document.createElement('br'))\n //\n // cut depth\n //\n div.appendChild(document.createTextNode('cut depth'))\n div.appendChild(document.createElement('br'))\n div.appendChild(document.createTextNode('mm: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('input',function(){\n mod.cut_in.value = parseFloat(mod.cut_mm.value)/25.4\n })\n div.appendChild(input)\n mod.cut_mm = input\n div.appendChild(document.createTextNode(' in: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('input',function(){\n mod.cut_mm.value = parseFloat(mod.cut_in.value)*25.4\n })\n div.appendChild(input)\n mod.cut_in = input\n div.appendChild(document.createElement('br'))\n //\n // max depth\n //\n div.appendChild(document.createTextNode('max depth'))\n div.appendChild(document.createElement('br'))\n div.appendChild(document.createTextNode('mm: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('input',function(){\n mod.max_in.value = parseFloat(mod.max_mm.value)/25.4\n })\n div.appendChild(input)\n mod.max_mm = input\n div.appendChild(document.createTextNode(' in: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('input',function(){\n mod.max_mm.value = parseFloat(mod.max_in.value)*25.4\n })\n div.appendChild(input)\n mod.max_in = input\n div.appendChild(document.createElement('br'))\n //\n // offset number\n //\n div.appendChild(document.createTextNode('offset number: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n div.appendChild(input)\n mod.number = input\n div.appendChild(document.createTextNode(' (0 = fill)'))\n div.appendChild(document.createElement('br'))\n //\n // offset stepover\n //\n div.appendChild(document.createTextNode('offset stepover: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n div.appendChild(input)\n mod.stepover = input\n div.appendChild(document.createTextNode(' (1 = diameter)'))\n div.appendChild(document.createElement('br'))\n //\n // direction\n //\n div.appendChild(document.createTextNode('direction: '))\n div.appendChild(document.createTextNode('climb'))\n var input = document.createElement('input')\n input.type = 'radio'\n input.name = mod.div.id+'direction'\n input.id = mod.div.id+'climb'\n input.checked = true\n div.appendChild(input)\n mod.climb = input\n div.appendChild(document.createTextNode(' conventional'))\n var input = document.createElement('input')\n input.type = 'radio'\n input.name = mod.div.id+'direction'\n input.id = mod.div.id+'conventional'\n div.appendChild(input)\n mod.conventional = input\n div.appendChild(document.createElement('br'))\n //\n // path merge\n //\n div.appendChild(document.createTextNode('path merge: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n div.appendChild(input)\n mod.merge = input\n div.appendChild(document.createTextNode(' (1 = diameter)'))\n div.appendChild(document.createElement('br'))\n //\n // path order\n //\n div.appendChild(document.createTextNode('path order: '))\n div.appendChild(document.createTextNode('forward'))\n var input = document.createElement('input')\n input.type = 'radio'\n input.name = mod.div.id+'order'\n input.id = mod.div.id+'forward'\n input.checked = true\n div.appendChild(input)\n mod.forward = input\n div.appendChild(document.createTextNode(' reverse'))\n var input = document.createElement('input')\n input.type = 'radio'\n input.name = mod.div.id+'order'\n input.id = mod.div.id+'reverse'\n div.appendChild(input)\n mod.reverse = input\n div.appendChild(document.createElement('br'))\n //\n // sort distance\n //\n div.appendChild(document.createTextNode('sort distance: '))\n var input = document.createElement('input')\n input.type = 'checkbox'\n input.id = mod.div.id+'sort'\n div.appendChild(input)\n mod.sort = input\n div.appendChild(document.createElement('br'))\n //\n // calculate\n //\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n var span = document.createElement('span')\n var text = document.createTextNode('calculate')\n mod.label = text\n span.appendChild(text)\n mod.labelspan = span\n btn.appendChild(span)\n btn.addEventListener('click',function(){\n mod.label.nodeValue = 'calculating'\n mod.labelspan.style.fontWeight = 'bold'\n mod.offset = 0.5\n mod.offsetCount = 0\n mod.path = []\n clear_path()\n outputs.diameter.event()\n outputs.offset.event()\n })\n div.appendChild(btn)\n div.appendChild(document.createTextNode(' '))\n //\n // view\n //\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('view'))\n btn.addEventListener('click',function(){\n var win = window.open('')\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n })\n win.document.body.appendChild(btn)\n win.document.body.appendChild(document.createElement('br'))\n var svg = document.getElementById(mod.div.id+'svg')\n var clone = svg.cloneNode(true)\n clone.setAttribute('width',mod.img.width)\n clone.setAttribute('height',mod.img.height)\n win.document.body.appendChild(clone)\n })\n div.appendChild(btn)\n div.appendChild(document.createElement('br'))\n //\n // on-screen SVG\n //\n var svgNS = \"http://www.w3.org/2000/svg\"\n var svg = document.createElementNS(svgNS,\"svg\")\n svg.setAttribute('id',mod.div.id+'svg')\n svg.setAttributeNS(\"http://www.w3.org/2000/xmlns/\",\n \"xmlns:xlink\",\"http://www.w3.org/1999/xlink\")\n svg.setAttribute('width',mods.ui.canvas)\n svg.setAttribute('height',mods.ui.canvas)\n svg.style.backgroundColor = 'rgb(255,255,255)'\n var g = document.createElementNS(svgNS,'g')\n g.setAttribute('id',mod.div.id+'g')\n svg.appendChild(g)\n div.appendChild(svg)\n div.appendChild(document.createElement('br')) \n //\n // off-screen image canvas\n //\n var canvas = document.createElement('canvas')\n mod.img = canvas\n }\n//\n// local functions\n//\n//\n// clear_path\n//\nfunction clear_path() {\n var svg = document.getElementById(mod.div.id+'svg')\n svg.setAttribute('viewBox',\"0 0 \"+(mod.img.width-1)+\" \"+(mod.img.height-1))\n var g = document.getElementById(mod.div.id+'g')\n svg.removeChild(g)\n var g = document.createElementNS('http://www.w3.org/2000/svg','g')\n g.setAttribute('id',mod.div.id+'g')\n svg.appendChild(g)\n }\n//\n// accumulate_path\n// todo: replace inefficient insertion sort\n// todo: move sort out of main thread\n//\nfunction accumulate_path(path) {\n var forward = mod.forward.checked\n var conventional = mod.conventional.checked\n var sort = mod.sort.checked\n for (var segnew = 0; segnew < path.length; ++segnew) {\n if (conventional)\n path[segnew].reverse()\n if (mod.path.length == 0)\n mod.path.splice(0,0,path[segnew])\n else if (sort) {\n var xnew = path[segnew][0][0]\n var ynew = path[segnew][0][1]\n var dmin = Number.MAX_VALUE\n var segmin = -1\n for (var segold = 0; segold < mod.path.length; ++segold) {\n var xold = mod.path[segold][0][0]\n var yold = mod.path[segold][0][1]\n var dx = xnew-xold\n var dy = ynew-yold\n var d = Math.sqrt(dx*dx+dy*dy)\n if (d < dmin) {\n dmin = d\n segmin = segold\n }\n }\n if (forward)\n mod.path.splice(segmin+1,0,path[segnew])\n else\n mod.path.splice(segmin,0,path[segnew])\n }\n else {\n if (forward)\n mod.path.splice(mod.path.length,0,path[segnew])\n else\n mod.path.splice(0,0,path[segnew])\n }\n }\n }\n//\n// merge_path\n//\nfunction merge_path() {\n var dmerge = mod.dpi*parseFloat(mod.merge.value)*parseFloat(mod.dia_in.value)\n var seg = 0\n while (seg < (mod.path.length-1)) {\n var xold = mod.path[seg][mod.path[seg].length-1][0]\n var yold = mod.path[seg][mod.path[seg].length-1][1]\n var xnew = mod.path[seg+1][0][0]\n var ynew = mod.path[seg+1][0][1]\n var dx = xnew-xold\n var dy = ynew-yold\n var d = Math.sqrt(dx*dx+dy*dy)\n if (d < dmerge)\n mod.path.splice(seg,2,mod.path[seg].concat(mod.path[seg+1]))\n else\n seg += 1\n }\n } \n//\n// add_depth\n//\nfunction add_depth() {\n var cut = parseFloat(mod.cut_in.value)\n var max = parseFloat(mod.max_in.value)\n var newpath = []\n for (var seg = 0; seg < mod.path.length; ++seg) {\n var depth = cut\n if ((mod.path[seg][0][0] == mod.path[seg][mod.path[seg].length-1][0])\n && (mod.path[seg][0][0] == mod.path[seg][mod.path[seg].length-1][0])) {\n var newseg = []\n while (depth <= max) {\n var idepth = -Math.round(mod.dpi*depth)\n for (var pt = 0; pt < mod.path[seg].length; ++pt) {\n var point = mod.path[seg][pt].concat(idepth)\n newseg.splice(newseg.length,0,point)\n }\n if (depth == max)\n break\n depth += cut\n if (depth > max)\n depth = max\n }\n newpath.splice(newpath.length,0,newseg)\n }\n else {\n var newseg = []\n while (depth <= max) {\n var idepth = -Math.round(mod.dpi*depth)\n for (var pt = 0; pt < mod.path[seg].length; ++pt) {\n var point = mod.path[seg][pt].concat(idepth)\n newseg.splice(newseg.length,0,point)\n }\n newpath.splice(newpath.length,0,newseg)\n newseg = []\n if (depth == max)\n break\n depth += cut\n if (depth > max)\n depth = max\n }\n }\n }\n mod.path = newpath\n mod.depth = Math.round(parseFloat(mod.max_in.value)*mod.dpi)\n }\n//\n// draw_path\n//\nfunction draw_path(path) {\n var g = document.getElementById(mod.div.id+'g')\n var h = mod.img.height\n var w = mod.img.width\n var xend = null\n var yend = null\n //\n // loop over segments\n //\n for (var segment = 0; segment < path.length; ++segment) {\n if (path[segment].length > 1) {\n //\n // loop over points\n //\n for (var point = 1; point < path[segment].length; ++point) {\n var line = document.createElementNS('http://www.w3.org/2000/svg','line')\n line.setAttribute('stroke','black')\n line.setAttribute('stroke-width',1)\n line.setAttribute('stroke-linecap','round')\n var x1 = path[segment][point-1][0]\n var y1 = h-path[segment][point-1][1]-1\n var x2 = path[segment][point][0]\n var y2 = h-path[segment][point][1]-1\n xend = x2\n yend = y2\n line.setAttribute('x1',x1)\n line.setAttribute('y1',y1)\n line.setAttribute('x2',x2)\n line.setAttribute('y2',y2)\n var dx = x2-x1\n var dy = y2-y1\n var d = Math.sqrt(dx*dx+dy*dy)\n if (d > 0) {\n nx = 6*dx/d\n ny = 6*dy/d\n var tx = 3*dy/d\n var ty = -3*dx/d\n g.appendChild(line)\n triangle = document.createElementNS('http://www.w3.org/2000/svg','polygon')\n triangle.setAttribute('points',x2+','+y2+' '+(x2-nx+tx)+','+(y2-ny+ty)\n +' '+(x2-nx-tx)+','+(y2-ny-ty))\n triangle.setAttribute('fill','black')\n g.appendChild(triangle)\n }\n }\n }\n }\n }\n//\n// draw_connections\n//\nfunction draw_connections() {\n var g = document.getElementById(mod.div.id+'g')\n var h = mod.img.height\n var w = mod.img.width\n //\n // loop over segments\n //\n for (var segment = 1; segment < mod.path.length; ++segment) {\n //\n // draw connection from previous segment\n //\n var line = document.createElementNS('http://www.w3.org/2000/svg','line')\n line.setAttribute('stroke','red')\n line.setAttribute('stroke-width',1)\n line.setAttribute('stroke-linecap','round')\n var x1 = mod.path[segment-1][mod.path[segment-1].length-1][0]\n var y1 = h-mod.path[segment-1][mod.path[segment-1].length-1][1]-1\n var x2 = mod.path[segment][0][0]\n var y2 = h-mod.path[segment][0][1]-1\n line.setAttribute('x1',x1)\n line.setAttribute('y1',y1)\n line.setAttribute('x2',x2)\n line.setAttribute('y2',y2)\n var dx = x2-x1\n var dy = y2-y1\n var d = Math.sqrt(dx*dx+dy*dy)\n if (d > 0) {\n nx = 6*dx/d\n ny = 6*dy/d\n var tx = 3*dy/d\n var ty = -3*dx/d\n g.appendChild(line)\n triangle = document.createElementNS('http://www.w3.org/2000/svg','polygon')\n triangle.setAttribute('points',x2+','+y2+' '+(x2-nx+tx)+','+(y2-ny+ty)\n +' '+(x2-nx-tx)+','+(y2-ny-ty))\n triangle.setAttribute('fill','red')\n g.appendChild(triangle)\n }\n }\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n\n","top":"402","left":"1241","inputs":{},"outputs":{}},"0.49036025089153756":{"definition":"//\n// Automatic dogbones for preprocessing images to be machined\n//\n// Sam Calisch\n// (c) Massachusetts Institute of Technology 2016\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the mods\n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'dogbone'\n//\n// initialization\n//\nvar init = function() {\n mod.diameter.value = ''\n }\n//\n// inputs\n//\nvar inputs = {\n distances:{type:'F32',\n event:function(evt){\n mod.distances = evt.detail\n var h = mod.distances.height\n var w = mod.distances.width\n var ctx = mod.img.getContext(\"2d\")\n ctx.canvas.height = mod.distances.height \n ctx.canvas.width = mod.distances.width\n if (mod.diameter.value != '')\n dogbone()\n }},\n diameter:{type:'number',\n event:function(evt){\n mod.diameter.value = evt.detail\n if (mod.distances != undefined)\n dogbone()\n }\n }\n }\n//\n// outputs\n//\nvar outputs = {\n image:{type:'RGBA',\n event:function(){\n var ctx = mod.img.getContext(\"2d\")\n var img = ctx.getImageData(0,0,mod.img.width,mod.img.height)\n mods.output(mod,'image',img)}}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // on-screen drawing canvas\n //\n var canvas = document.createElement('canvas')\n canvas.width = mods.ui.canvas\n canvas.height = mods.ui.canvas\n canvas.style.backgroundColor = 'rgb(255,255,255)'\n div.appendChild(canvas)\n mod.canvas = canvas\n div.appendChild(document.createElement('br'))\n //\n // off-screen image canvas\n //\n var canvas = document.createElement('canvas')\n mod.img = canvas\n //\n // diameter value\n //\n div.appendChild(document.createTextNode('diameter (pixels): '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('change',function(){\n dogbone()\n })\n div.appendChild(input)\n mod.diameter = input\n //\n // view button\n //\n div.appendChild(document.createElement('br'))\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('view'))\n btn.addEventListener('click',function(){\n var win = window.open('')\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n })\n win.document.body.appendChild(btn)\n win.document.body.appendChild(document.createElement('br'))\n var canvas = document.createElement('canvas')\n canvas.width = mod.img.width\n canvas.height = mod.img.height\n win.document.body.appendChild(canvas)\n var ctx = canvas.getContext(\"2d\")\n ctx.drawImage(mod.img,0,0)\n })\n div.appendChild(btn)\n }\n//\n// local functions\n//\n// dogbone\n//\nfunction dogbone() {\n var blob = new Blob(['('+worker.toString()+'())'])\n var url = window.URL.createObjectURL(blob)\n var webworker = new Worker(url)\n webworker.addEventListener('message',function(evt) {\n window.URL.revokeObjectURL(url)\n var h = mod.distances.height\n var w = mod.distances.width\n var buf = new Uint8ClampedArray(evt.data.buffer)\n var imgdata = new ImageData(buf,w,h)\n var ctx = mod.img.getContext(\"2d\")\n ctx.putImageData(imgdata,0,0)\n if (w > h) {\n var x0 = 0\n var y0 = mod.canvas.height*.5*(1-h/w)\n var wd = mod.canvas.width\n var hd = mod.canvas.width*h/w\n }\n else {\n var x0 = mod.canvas.width*.5*(1-w/h)\n var y0 = 0\n var wd = mod.canvas.height*w/h\n var hd = mod.canvas.height\n }\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n ctx.drawImage(mod.img,x0,y0,wd,hd)\n webworker.terminate()\n outputs.image.event()\n })\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n var diameter = parseFloat(mod.diameter.value)\n webworker.postMessage({\n height:mod.distances.height,width:mod.distances.width,\n diameter:diameter,buffer:mod.distances.buffer})\n }\n//\n// dogbone worker\n//\nfunction worker() {\n self.addEventListener('message',function(evt) {\n var h = evt.data.height\n var w = evt.data.width\n var diameter = evt.data.diameter\n var input = new Float32Array(evt.data.buffer)\n var output = new Uint8ClampedArray(4*h*w)\n for (var row = 0; row < h; ++row) {\n for (var col = 0; col < w; ++col) {\n if (input[(h-1-row)*w+col] <= 0) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n }\n }\n\n //pick out ridge points at the right distance\n var distance_value = (diameter/2.) * (Math.sqrt(2)/2.);\n var distance_tol = 1; //Math.sqrt(2)/2. ;\n var r = Math.round(diameter/2);\n for (var row = 0; row < h; ++row) {\n for (var col = 0; col < w; ++col) {\n var max_ud = input[ (h-1-row)*w+col ] >= Math.max(input[ (h-1-row)*w+col-1], input[ (h-1-row)*w+col+1]); //up down\n var max_lr = input[ (h-1-row)*w+col ] >= Math.max(input[ (h-1-row-1)*w+col], input[ (h-1-row+1)*w+col]); //left right\n var max_ru = input[ (h-1-row)*w+col ] >= Math.max(input[ (h-1-row-1)*w+col+1], input[ (h-1-row+1)*w+col-1]); //right up\n var max_rd = input[ (h-1-row)*w+col ] >= Math.max(input[ (h-1-row-1)*w+col-1], input[ (h-1-row+1)*w+col+1]); //right up\n //if we are local max in at least two directions\n if( (max_ud+max_lr+max_ru+max_rd) >= 2 && Math.abs(input[ (h-1-row)*w+col]-distance_value) <= distance_tol ) {\n for(var cx=-r; cx<=r; ++cx){\n var yx = Math.ceil(Math.sqrt(r*r-cx*cx));\n for(var cy=-yx; cy<=yx; ++cy){\n output[(h-1-(row+cx))*w*4+(col+cy)*4+0] = 0;\n output[(h-1-(row+cx))*w*4+(col+cy)*4+1] = 0;\n output[(h-1-(row+cx))*w*4+(col+cy)*4+2] = 0;\n output[(h-1-(row+cx))*w*4+(col+cy)*4+3] = 255;\n }\n }\n\n } \n }\n }\n self.postMessage({buffer:output.buffer},[output.buffer])\n })\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"38","left":"2414","inputs":{},"outputs":{}},"0.8617147326718335":{"definition":"//\n// ShopBot\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2016\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the mods\n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n\n\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'ShopBot'\n//\n// initialization\n//\nvar init = function() {\n mod.cutspeed.value = 20\n mod.plungespeed.value = 20\n mod.jogspeed.value = 75\n mod.jogheight.value = 5\n mod.spindlespeed.value = 10000\n mod.unitsin.checked = true \n }\n//\n// inputs\n//\nvar inputs = {\n toolpath:{type:'object',\n event:function(evt){\n mod.name = evt.detail.name\n mod.path = evt.detail.path\n mod.dpi = evt.detail.dpi\n mod.width = evt.detail.width\n mod.height = evt.detail.height\n make_path()\n }}}\n//\n// outputs\n//\nvar outputs = {\n file:{type:'object',\n event:function(str){\n obj = {}\n obj.name = mod.name+\".sbp\"\n obj.contents = str\n mods.output(mod,'file',obj)\n }}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // cut speed\n //\n div.appendChild(document.createTextNode('cut speed: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n div.appendChild(input)\n mod.cutspeed = input\n div.appendChild(document.createTextNode(' (mm/s)'))\n div.appendChild(document.createElement('br'))\n //\n // plunge speed\n //\n div.appendChild(document.createTextNode('plunge speed: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n div.appendChild(input)\n mod.plungespeed = input\n div.appendChild(document.createTextNode(' (mm/s)'))\n div.appendChild(document.createElement('br'))\n //\n // jog speed\n //\n div.appendChild(document.createTextNode('jog speed: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n div.appendChild(input)\n mod.jogspeed = input\n div.appendChild(document.createTextNode(' (mm/s)'))\n div.appendChild(document.createElement('br'))\n //\n // jog height\n //\n div.appendChild(document.createTextNode('jog height: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n div.appendChild(input)\n mod.jogheight = input\n div.appendChild(document.createTextNode(' (mm)'))\n div.appendChild(document.createElement('br'))\n //\n // spindle speed\n //\n div.appendChild(document.createTextNode('spindle speed: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n div.appendChild(input)\n mod.spindlespeed = input\n div.appendChild(document.createTextNode(' (RPM)'))\n div.appendChild(document.createElement('br'))\n //\n // file units\n //\n div.appendChild(document.createTextNode('file units:'))\n var input = document.createElement('input')\n input.type = 'radio'\n input.name = mod.div.id+'units'\n input.id = mod.div.id+'unitsin'\n div.appendChild(input)\n mod.unitsin = input\n div.appendChild(document.createTextNode('in'))\n var input = document.createElement('input')\n input.type = 'radio'\n input.name = mod.div.id+'units'\n input.id = mod.div.id+'unitsmm'\n div.appendChild(input)\n mod.unitsmm = input\n div.appendChild(document.createTextNode('mm'))\n }\n//\n// local functions\n//\nfunction make_path() {\n if (mod.unitsin.checked)\n var units = 1\n else\n var units = 25.4\n var dx = units*mod.width/mod.dpi\n var nx = mod.width\n var cut_speed = units*parseFloat(mod.cutspeed.value)/25.4\n var plunge_speed = units*parseFloat(mod.plungespeed.value)/25.4\n var jog_speed = units*parseFloat(mod.jogspeed.value)/25.4\n var jog_height = units*parseFloat(mod.jogheight.value)/25.4\n var spindle_speed = parseFloat(mod.spindlespeed.value)\n var scale = dx/(nx-1)\n str = \"SA\\r\\n\" // set to absolute distances\n str += \"TR,\"+spindle_speed+\",1\\r\\n\" // set spindle speed\n str += \"SO,1,1\\r\\n\" // set output number 1 to on\n str += \"pause 2\\r\\n\" // let spindle come up to speed\n str += \"MS,\"+cut_speed.toFixed(4)+\",\"+plunge_speed.toFixed(4)+\"\\r\\n\" // set xy,z speed\n str += \"JS,\"+jog_speed.toFixed(4)+\",\"+jog_speed.toFixed(4)+\"\\r\\n\" // set jog xy,z speed\n str += \"JZ,\"+jog_height.toFixed(4)+\"\\r\\n\" // move up\n //\n // follow segments\n //\n for (var seg = 0; seg < mod.path.length; ++seg) {\n //\n // move up to starting point\n //\n x = scale*mod.path[seg][0][0]\n y = scale*mod.path[seg][0][1]\n str += \"MZ,\"+jog_height.toFixed(4)+\"\\r\\n\"\n str += \"J2,\"+x.toFixed(4)+\",\"+y.toFixed(4)+\"\\r\\n\"\n //\n // move down\n //\n z = scale*mod.path[seg][0][2]\n str += \"MZ,\"+z.toFixed(4)+\"\\r\\n\"\n for (var pt = 1; pt < mod.path[seg].length; ++pt) {\n //\n // move to next point\n //\n x = scale*mod.path[seg][pt][0]\n y = scale*mod.path[seg][pt][1]\n z = scale*mod.path[seg][pt][2]\n str += \"M3,\"+x.toFixed(4)+\",\"+y.toFixed(4)+\",\"+z.toFixed(4)+\"\\r\\n\"\n }\n }\n //\n // output file\n //\n str += \"MZ,\"+jog_height.toFixed(4)+\"\\r\\n\"\n outputs.file.event(str)\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n\n","top":"1103","left":"783","inputs":{},"outputs":{}},"0.07230598353953022":{"definition":"//\n// nest multiple SVGs into a single SVG\n//\n// Sam Calisch\n// (c) Massachusetts Institute of Technology 2016\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the mods\n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {\n 'parameters':{\n 'stock_width':40.,\n 'stock_height':40.,\n 'padding':.25} //algorithm parameters, and default values\n}\n//\n// name\n//\nvar name = 'nest SVG Array'\n//\n// initialization\n//\nvar init = function() {\n Object.keys(mod.parameters).forEach( function(k){\n mod[k].value = mod.parameters[k]; //set default values\n });\n }\n//\n// inputs\n//\nvar inputs = {\n SVGArray:{type:'object',\n event:function(evt) {\n mod.svg_array = evt.detail;\n nest(mod.svg_array);\n }}}\n//\n// outputs\n//\nvar outputs = {\n SVG:{type:'string',\n event:function(){\n var str = new XMLSerializer().serializeToString(mod.bigview);\n mods.output(mod,'SVG',str)}},\n // TODO: make another output for parts that don't fit\n //Leftovers:{type:'object',\n // event:function(){\n // mods.output(mod,'Leftovers',mod.leftovers)}}\n }\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n\n // on-screen drawing canvas\n var smallview = document.createElementNS(\"http://www.w3.org/2000/svg\", \"svg\");//document.createElement('canvas');\n smallview.setAttribute('width',mods.ui.canvas);\n smallview.setAttribute('height',mods.ui.canvas);\n smallview.setAttribute('preserveAspectRatio','xMinYMin meet');\n div.appendChild(smallview);\n mod.smallview = smallview;\n div.appendChild(document.createElement('br'));\n\n // off-screen image canvas\n mod.bigview = document.createElementNS(\"http://www.w3.org/2000/svg\", \"svg\"); \n\n //add parameter inputs\n Object.keys(mod.parameters).forEach(function(p){\n var textnode = document.createElement('span');\n textnode.innerHTML = p+': ';\n textnode.style=\"display: inline-block; width: 80px; font-size: 12px;\";\n div.appendChild(textnode);\n var input_text = document.createElement('input');\n var input_max = document.createElement('input');\n var input_range = document.createElement('input') //add slider\n\n //value text\n input_text.type='text';\n input_text.size=3;\n mod[p] = input_text; //set initial minimum slider value\n div.appendChild(input_text);\n input_text.addEventListener('blur',function(){\n input_range.value = (100 * input_text.value / input_max.value);\n nest(mod.svg_array);\n });\n\n //slider\n input_range.type = 'range'; \n input_range.min = 0; input_range.max = 100;\n input_range.value = 50; \n input_range.style = '-webkit-appearance: none; width: 80px; height: 0px; border: none; margin-top: -4px; margin-left:2px;';\n input_range.addEventListener('input',function(){\n input_text.value = input_max.value * input_range.value/100.0;\n nest(mod.svg_array);\n });\n div.appendChild(input_range);\n\n //max text\n input_max.type='text';\n input_max.size=2;\n input_max.value = 2*mod.parameters[p]; //set initial maximum to twice default value\n input_max.addEventListener('blur',function(){\n input_range.value = 100 * input_text.value / input_max.value;\n input_text.value = Math.min( input_text.value, input_max.value ); \n nest(mod.svg_array);\n });\n div.appendChild(input_max);\n\n div.appendChild(document.createElement('br'));\n });\n\n // view button\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('view'))\n btn.addEventListener('click',function(){\n var win = window.open('')\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n })\n win.document.body.appendChild(btn)\n win.document.body.appendChild(document.createElement('br'))\n mod.bigview.setAttribute('width', mod.stock_width.value+\"in\");\n mod.bigview.setAttribute('height', mod.stock_height.value+\"in\" );\n mod.bigview.setAttribute('preserveAspectRatio','xMinYMin meet');\n win.document.body.appendChild(mod.bigview);\n })\n div.appendChild(btn)\n div.appendChild(document.createTextNode(' draw grid?'));\n var draw_grid = document.createElement('input')\n mod.draw_grid = draw_grid;\n draw_grid.type = 'checkbox'\n draw_grid.name = mod.div.id+'grid'\n draw_grid.id = mod.div.id+'grid'\n draw_grid.checked = false\n draw_grid.addEventListener('change',function(){nest(mod.svg_array);});\n div.appendChild(draw_grid)\n div.appendChild(document.createElement('br'))\n }\n//\n// local functions\n\nfunction nest(sw_json){\n //sw_json is text json exported from soliworks of the form [{partTitle:â€Part-1â€, thickness:20, count:2, svgArray:[svgf1, svgf2, …],{partTitle:â€Part-2â€, thickness:20, count:3, svgArray:[svgf3, svgf4, …]\n //stocksize is an array [width,height] of stock dimensions\n //we scale so the stock size takes up the %75 of screen\n //padding is an amount to leave between each piece\n var unitScale = sw_json[0].unit === \"mm\"?1000:1;\n var stocksize = [mod.stock_width.value/39.3*unitScale, mod.stock_height.value/39.3*unitScale]; //convert to meters\n //TODO: handle units more gracefully!\n var padding = mod.padding.value/39.3*unitScale;\n var draw_grid = false;\n\n //make sure first dimension is longer\n //if (stocksize[1] > stocksize[0]) stocksize = [stocksize[1],stocksize[0]];\n\n //fit stock width to page\n var scale = mod.smallview.width/stocksize[0]; \n\n var partName = sw_json[0]['partName'];\n var thickness = sw_json[0]['thickness'];\n var count = sw_json[0]['count'];\n var svgs = [];\n //deal with multiple parts from SW\n for(var i=0; i<sw_json.length; ++i){\n svgs = svgs.concat(sw_json[i].svgArray);\n }\n\n //create SVG for output\n var svgNS = \"http://www.w3.org/2000/svg\";\n //var nested = document.createElementNS(\"http://www.w3.org/2000/svg\", \"svg\");\n mod.smallview.innerHTML=''; //delete previous children\n \n //mod.smallview.setAttribute('width',(stocksize[0])*scale );\n //mod.smallview.setAttribute('height',(stocksize[1])*scale );\n mod.smallview.setAttribute('viewBox', \"0 0 \"+stocksize[0]+\" \"+stocksize[1]);\n\n //draw stock outline\n var stock = document.createElementNS(svgNS,'rect');\n stock.setAttribute('x', 0); stock.setAttribute('y', 0);\n stock.setAttribute('width', stocksize[0]); stock.setAttribute('height', stocksize[1]);\n stock.setAttribute('style', 'fill:rgb(0,0,0);')\n //stock.setAttribute('class','annotation'); //label for removal on output\n mod.smallview.appendChild(stock);\n\n var gs = [] //container for the g elements\n svgs.forEach(function(svg){\n var g = document.createElementNS(svgNS,'g');\n g.innerHTML = svg;\n var svg_tree = g.firstChild;\n var vb = svg_tree.getAttribute('viewBox').split(\" \").map(parseFloat);\n svg_tree.setAttribute('viewBox',(vb[0]-.5*padding)+\" \"+(vb[1]-.5*padding)+\" \"+(vb[2]+.5*padding)+\" \"+(vb[3]+.5*padding));\n svg_tree.setAttribute('width', vb[2]+padding); svg_tree.setAttribute('height', vb[3]+padding);\n g.setAttribute('w',vb[2]+padding); //use a foreign tag to bring width and height info along as we tranform \n g.setAttribute('h',vb[3]+padding); \n mod.smallview.appendChild(g);\n gs.push(g);\n });\n\n //orient so long axis is horizontal. if this is not the case, rotate\n gs.forEach(function(g){\n w = g.getAttribute('w'); h = g.getAttribute('h');\n if (h>w){\n g.setAttribute('transform','translate(0,'+w+') rotate(-90)' );\n g.setAttribute('w',h); g.setAttribute('h',w);\n } else{\n g.setAttribute('transform','' );\n }\n });\n\n //then sort by long dimension in descending order\n gs = gs.sort( function(g1,g2){ return g2.getAttribute('w') - g1.getAttribute('w')} );\n\n\n //then place first and calculate the left over rectangles\n function fill_rect(b1,b2,remaining_shapes){\n if (mod.draw_grid.checked){\n node = document.createElementNS(\"http://www.w3.org/2000/svg\", \"rect\");\n node.setAttribute('x',b1[0]); node.setAttribute('y',b1[1]);\n node.setAttribute('width',b2[0]-b1[0]);\n node.setAttribute('height',b2[1]-b1[1]);\n node.setAttribute('class','annotation'); //label for removal on output\n node.setAttribute('style','fill:none;stroke-width:.001;stroke:rgb(0,0,255)');\n mod.smallview.appendChild(node);\n }\n\n\n //fill a rectangle defined by point b1 to point b2 with the first element from remaining_shapes that fits\n var dx = b2[0]-b1[0]; \n var dy = b2[1]-b1[1];\n for(i=0; i<remaining_shapes.length; i++){\n var gi = remaining_shapes[i];\n var w = parseFloat(gi.getAttribute('w'));\n var h = parseFloat(gi.getAttribute('h'));\n if (w <= dx+.000001 && h <= dy+.00001){ //successfully placed shape i\n remaining_shapes.splice(i,1); //remove shape i from remaining shapes\n gi.setAttribute('transform', 'translate('+(b1[0])+','+(b1[1])+') '+gi.getAttribute('transform')); //use base point as transform\n fill_rect([b1[0],b1[1]+h],[b1[0]+w,b2[1]],remaining_shapes); //prioritize filling lower rectangle\n fill_rect([b1[0]+w,b1[1]],b2,remaining_shapes); //then fill right rectangle\n break; //break out of for loop\n }\n }\n\n }\n fill_rect([.5*padding,.5*padding],[stocksize[0]-.5*padding,stocksize[1]-.5*padding],gs);\n \n //HACK: don't show parts that don't fit\n gs.forEach(function(g){\n g.innerHTML = ''; //delete!\n }); \n\n\n //create bigview svg from smallview svg\n mod.bigview.setAttribute( 'viewBox', mod.smallview.getAttribute('viewBox') );\n mod.bigview.innerHTML = mod.smallview.innerHTML;\n mod.bigview.setAttribute('width', mod.stock_width.value+\"in\");\n mod.bigview.setAttribute('height', mod.stock_height.value+\"in\" );\n\n //output events\n //mod.leftovers = [];\n outputs.SVG.event()\n\n\n /*\n\n //highlight parts that didn't fit\n gs.forEach(function(g){\n var svg = g.firstChild;\n var style = svg.firstChild.getAttribute('style');\n svg.firstChild.setAttribute('style',style+'stroke-width:'+.002*stocksize[0]+'; stroke:rgb(255,0,0)')\n });\n //nest parts that don't fit, note: this could just be done on another page.\n if (gs.length > 0){\n fill_rect([.5*padding,.5*padding],[stocksize[0]-.5*padding,stocksize[1]-.5*padding],gs);\n }\n */\n}\n\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"650","left":"335","inputs":{},"outputs":{}},"0.10390878290633299":{"definition":"//\n// string variables\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2016\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the mods\n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {\n 'sw_array':[{\"partName\":\"rwanda-stool.SLDPRT\",\"unit\":\"meter\",\"thickness\":0.01905,\"count\":1,\"svgArray\":[\"<svg xmlns=\\\"http://www.w3.org/2000/svg\\\" xmlns:xlink=\\\"http://www.w3.org/1999/xlink\\\" width=\\\"1127.67015523439\\\" height=\\\"989.826899907394\\\" viewBox=\\\"0 0 0.281917538808599 0.247456724976849\\\" style=\\\"background:black\\\"><path d=\\\" M 0.280917538808598,0.0359877248472174 A 0.35,0.35 0 0,0 0.161236292032361,0.243281724976848 L 0.155737030718329,0.246456724976848 L 0.150237769404297,0.246456724976848 L 0.150237769404298,0.182920175324464 L 0.149983769404299,0.182920175324464 L 0.149983769404299,0.118489816608022 L 0.130933769404299,0.118489816608022 L 0.130933769404299,0.182920175324464 L 0.130679769404298,0.182920175324464 L 0.130679769404297,0.246456724976849 L 0.125180508090266,0.246456724976849 L 0.119681246776236,0.243281724976848 A 0.35,0.35 0 0,0 0,0.0359877248472167 L 2.22044604925031E-16,0.0296377248472162 L 0.00274963065701597,0.024875224847216 L 0.0577738967247917,0.0566434996734087 L 0.0675528967247919,0.0397057748261927 L 0.012528630657016,0.00793749999999993 L 0.0152782613140317,0.0031749999999999 L 0.0207775226280628,0 A 0.35,0.35 0 0,0 0.260140016180536,2.5951463200613E-15 L 0.265639277494567,0.00317500000000245 L 0.268388908151583,0.00793750000000276 L 0.213364642083807,0.0397057748261942 L 0.223143642083807,0.0566434996734103 L 0.278167908151583,0.0248752248472187 L 0.280917538808599,0.0296377248472181 L 0.280917538808598,0.0359877248472174\\\" style=\\\"fill:#ffffff;fill-rule:evenodd;\\\" transform=\\\"translate(0.281417538808599 0.0005), scale(-1, 1)\\\" /></svg>\", \"<svg xmlns=\\\"http://www.w3.org/2000/svg\\\" xmlns:xlink=\\\"http://www.w3.org/1999/xlink\\\" width=\\\"1324.8\\\" height=\\\"1324.8\\\" viewBox=\\\"0 0 0.3312 0.3312\\\" style=\\\"background:black\\\"><path d=\\\" M 0.208704299650783,0.151216862423607 L 0.198925299650783,0.134279137576391 L 0.181987574803567,0.14405813757639 L 0.191766574803567,0.160995862423607 L 0.208704299650783,0.151216862423607 M 0.257757710571941,0.122895862423607 L 0.274695435419157,0.113116862423607 L 0.264916435419157,0.0961791375763911 L 0.247978710571941,0.105958137576391 L 0.257757710571941,0.122895862423607 M 0.23192086753497,0.115229137576391 L 0.214983142687754,0.125008137576391 L 0.224762142687754,0.141945862423607 L 0.24169986753497,0.132166862423607 L 0.23192086753497,0.115229137576391 M 0.0822212894280657,0.10595813757639 L 0.0652835645808497,0.0961791375763897 L 0.0555045645808495,0.113116862423606 L 0.0724422894280656,0.122895862423606 L 0.0822212894280657,0.10595813757639 M 0.115216857312253,0.12500813757639 L 0.0982791324650367,0.11522913757639 L 0.0885001324650366,0.132166862423606 L 0.105437857312253,0.141945862423606 L 0.115216857312253,0.12500813757639 M 0.14821242519644,0.14405813757639 L 0.131274700349224,0.13427913757639 L 0.121495700349224,0.151216862423606 L 0.13843342519644,0.160995862423606 L 0.14821242519644,0.14405813757639 M 0.155321000000003,0.190245999999998 L 0.155321000000003,0.209803999999998 L 0.174879000000003,0.209803999999998 L 0.174879000000003,0.190245999999998 L 0.155321000000003,0.190245999999998 M 0.155321000000003,0.228345999999998 L 0.155321000000003,0.247903999999998 L 0.174879000000003,0.247903999999998 L 0.174879000000003,0.228345999999998 L 0.155321000000003,0.228345999999998 M 0.155321000000003,0.266445999999998 L 0.155321000000003,0.286003999999998 L 0.174879000000003,0.286003999999998 L 0.174879000000003,0.266445999999998 L 0.155321000000003,0.266445999999998 M 0.3302,0.1651 A 0.1651,0.1651 0 1,1 0,0.1651 A 0.1651,0.1651 0 1,1 0.3302,0.1651\\\" style=\\\"fill:#ffffff;fill-rule:evenodd;\\\" transform=\\\"translate(0.3307 0.0005), scale(-1, 1)\\\" /></svg>\", \"<svg xmlns=\\\"http://www.w3.org/2000/svg\\\" xmlns:xlink=\\\"http://www.w3.org/1999/xlink\\\" width=\\\"1098.95817229398\\\" height=\\\"952.261593287967\\\" viewBox=\\\"0 0 0.274739543073496 0.238065398321992\\\" style=\\\"background:black\\\"><path d=\\\" M 0.273739543073496,0.220134601678009 L 0.263964543073497,0.237065398321992 A 0.45,0.45 0 0,0 0.00977499999999865,0.237065398321992 L 0,0.220134601678008 A 0.45,0.45 0 0,0 0.127094771536749,2.77555756156289E-17 L 0.146644771536747,0 A 0.45,0.45 0 0,0 0.273739543073496,0.220134601678009 M 0.197751436852561,0.198841862423608 L 0.220188423013809,0.211795862423607 L 0.229967423013809,0.194858137576391 L 0.207530436852561,0.181904137576391 L 0.197751436852561,0.198841862423608 M 0.127090771536748,0.0505460000000001 L 0.127090771536748,0.0764540000000001 L 0.146648771536748,0.0764540000000001 L 0.146648771536748,0.0505460000000001 L 0.127090771536748,0.0505460000000001 M 0.127090771536748,0.101346 L 0.127090771536748,0.127254 L 0.146648771536748,0.127254 L 0.146648771536748,0.101346 L 0.127090771536748,0.101346 M 0.0535511200596879,0.211795862423609 L 0.0759881062209351,0.198841862423608 L 0.0662091062209351,0.181904137576392 L 0.0437721200596878,0.194858137576393 L 0.0535511200596879,0.211795862423609 M 0.0975452105719373,0.186395862423608 L 0.119982196733185,0.173441862423608 L 0.110203196733184,0.156504137576392 L 0.0877662105719372,0.169458137576392 L 0.0975452105719373,0.186395862423608 M 0.185973332501559,0.169458137576392 L 0.163536346340311,0.156504137576392 L 0.153757346340312,0.173441862423608 L 0.176194332501559,0.186395862423608 L 0.185973332501559,0.169458137576392\\\" style=\\\"fill:#ffffff;fill-rule:evenodd;\\\" transform=\\\"translate(0.274239543073496 0.0005), scale(-1, 1)\\\" /></svg>\", \"<svg xmlns=\\\"http://www.w3.org/2000/svg\\\" xmlns:xlink=\\\"http://www.w3.org/1999/xlink\\\" width=\\\"715.2\\\" height=\\\"2442.4\\\" viewBox=\\\"0 0 0.1788 0.6106\\\" style=\\\"background:black\\\"><path d=\\\" M 0.0644303587164418,0.3302 L 0,0.3302 L 3.81639164714898E-17,0.01905 L 0.0254,0.01905 L 0.0254,0.038354 L 0.0508,0.038354 L 0.0508,0.01905 L 0.0762,0.01905 L 0.0762,0.038354 L 0.127,0.038354 L 0.127,0 L 0.17145,0 A 0.00635,0.00635 0 0,1 0.1778,0.00635 L 0.1778,0.038354 A 4,4 0 0,0 0.10795,0.590296000000001 L 0.0952500000000001,0.590296 L 0.09525,0.6096 L 0.0762,0.6096 L 0.0762,0.590296 L 0.05715,0.590296 L 0.05715,0.6096 L 0.0381,0.6096 L 0.0381,0.590296 L 0.01905,0.590296 L 0.01905,0.6096 L 0,0.6096 L 0,0.34925 L 0.0644303587164418,0.34925 L 0.0644303587164418,0.3302 M 0.0381,0.545846 A 0.00634999999999998,0.00634999999999998 0 0,0 0.0444500000000001,0.552196 L 0.066152723772689,0.552196 A 0.00635000000000026,0.00635000000000026 0 0,0 0.0724886137147865,0.546269082310705 A 4.0381,4.0381 0 0,1 0.0855169733792192,0.394361959562247 A 0.00635000000000038,0.00635000000000038 0 0,0 0.0792015708158069,0.38735 L 0.0444500000000001,0.38735 A 0.00635000000000001,0.00635000000000001 0 0,0 0.0381,0.3937 L 0.0381,0.545846 M 0.0381,0.0828040000000001 L 0.0381,0.28575 A 0.00635000000000002,0.00635000000000002 0 0,0 0.0444500000000001,0.2921 L 0.0919853797681748,0.2921 A 0.00634999999999996,0.00634999999999996 0 0,0 0.0982807110766947,0.286581446760754 A 4.0381,4.0381 0 0,1 0.130298417149589,0.0839540826939461 A 0.00635000000000012,0.00635000000000012 0 0,0 0.12405343437963,0.076454 L 0.0444500000000001,0.076454 A 0.00634999999999999,0.00634999999999999 0 0,0 0.0381,0.0828040000000001\\\" style=\\\"fill:#ffffff;fill-rule:evenodd;\\\" transform=\\\"translate(0.1783 0.0005), scale(-1, 1)\\\" /></svg>\", \"<svg xmlns=\\\"http://www.w3.org/2000/svg\\\" xmlns:xlink=\\\"http://www.w3.org/1999/xlink\\\" width=\\\"715.2\\\" height=\\\"2442.4\\\" viewBox=\\\"0 0 0.1788 0.6106\\\" style=\\\"background:black\\\"><path d=\\\" M 0.0644303587164418,0.3302 L 0,0.3302 L 3.81639164714898E-17,0.01905 L 0.0254,0.01905 L 0.0254,0.038354 L 0.0508,0.038354 L 0.0508,0.01905 L 0.0762000000000001,0.01905 L 0.0762000000000001,0.038354 L 0.127,0.038354 L 0.127,0 L 0.17145,0 A 0.00635,0.00635 0 0,1 0.1778,0.00635 L 0.1778,0.038354 A 4,4 0 0,0 0.10795,0.590296000000001 L 0.0952500000000001,0.590296 L 0.09525,0.6096 L 0.0762,0.6096 L 0.0762,0.590296 L 0.05715,0.590296 L 0.05715,0.6096 L 0.0381,0.6096 L 0.0381,0.590296 L 0.01905,0.590296 L 0.01905,0.6096 L 0,0.6096 L 0,0.34925 L 0.0644303587164418,0.34925 L 0.0644303587164418,0.3302 M 0.0381,0.545846 A 0.00634999999999998,0.00634999999999998 0 0,0 0.0444500000000001,0.552196 L 0.066152723772689,0.552196 A 0.00635000000000026,0.00635000000000026 0 0,0 0.0724886137147865,0.546269082310705 A 4.0381,4.0381 0 0,1 0.0855169733792192,0.394361959562247 A 0.00635000000000038,0.00635000000000038 0 0,0 0.0792015708158069,0.38735 L 0.0444500000000001,0.38735 A 0.00635000000000001,0.00635000000000001 0 0,0 0.0381,0.3937 L 0.0381,0.545846 M 0.0381,0.0828040000000001 L 0.0381,0.28575 A 0.00635000000000002,0.00635000000000002 0 0,0 0.0444500000000001,0.2921 L 0.0919853797681748,0.2921 A 0.00634999999999996,0.00634999999999996 0 0,0 0.0982807110766947,0.286581446760754 A 4.0381,4.0381 0 0,1 0.130298417149589,0.0839540826939461 A 0.00635000000000012,0.00635000000000012 0 0,0 0.12405343437963,0.076454 L 0.0444500000000001,0.076454 A 0.00634999999999999,0.00634999999999999 0 0,0 0.0381,0.0828040000000001\\\" style=\\\"fill:#ffffff;fill-rule:evenodd;\\\" transform=\\\"translate(0.1783 0.0005), scale(-1, 1)\\\" /></svg>\", \"<svg xmlns=\\\"http://www.w3.org/2000/svg\\\" xmlns:xlink=\\\"http://www.w3.org/1999/xlink\\\" width=\\\"715.2\\\" height=\\\"2442.4\\\" viewBox=\\\"0 0 0.1788 0.6106\\\" style=\\\"background:black\\\"><path d=\\\" M 0.113369641283558,0.2794 L 0.1778,0.2794 L 0.1778,0.59055 L 0.1524,0.59055 L 0.1524,0.571246 L 0.127,0.571246 L 0.127,0.59055 L 0.1016,0.59055 L 0.1016,0.571246 L 0.0508,0.571246 L 0.0508,0.6096 L 0.00635000000000002,0.6096 A 0.00635,0.00635 0 0,1 0,0.60325 L 0,0.571246 A 4,4 0 0,0 0.0698499999999999,0.0193039999999987 L 0.08255,0.019304 L 0.0825500000000001,1.11022302462516E-16 L 0.1016,0 L 0.1016,0.019304 L 0.12065,0.0193039999999999 L 0.12065,1.11022302462516E-16 L 0.1397,1.11022302462516E-16 L 0.1397,0.0193039999999999 L 0.15875,0.019304 L 0.15875,0 L 0.1778,1.11022302462516E-16 L 0.1778,0.26035 L 0.113369641283558,0.26035 L 0.113369641283558,0.2794 M 0.1397,0.0637540000000001 A 0.00634999999999998,0.00634999999999998 0 0,0 0.13335,0.057404 L 0.111647276227311,0.0574039999999997 A 0.00635000000000026,0.00635000000000026 0 0,0 0.105311386285214,0.0633309176892949 A 4.0381,4.0381 0 0,1 0.0922830266207809,0.215238040437753 A 0.00635000000000038,0.00635000000000038 0 0,0 0.0985984291841932,0.22225 L 0.13335,0.22225 A 0.00635000000000001,0.00635000000000001 0 0,0 0.1397,0.2159 L 0.1397,0.0637540000000001 M 0.1397,0.526796 L 0.1397,0.32385 A 0.00635000000000002,0.00635000000000002 0 0,0 0.13335,0.3175 L 0.0858146202318253,0.3175 A 0.00634999999999996,0.00634999999999996 0 0,0 0.0795192889233054,0.323018553239246 A 4.0381,4.0381 0 0,1 0.047501582850411,0.525645917306054 A 0.00635000000000012,0.00635000000000012 0 0,0 0.0537465656203701,0.533146 L 0.13335,0.533146 A 0.00634999999999999,0.00634999999999999 0 0,0 0.1397,0.526796\\\" style=\\\"fill:#ffffff;fill-rule:evenodd;\\\" transform=\\\"translate(0.1783 0.0005), scale(-1, 1)\\\" /></svg>\"]}]\n}\n//\n// name\n//\nvar name = 'sw output'\n//\n// initialization\n//\nvar init = function() { }\n//\n// inputs\n//\nvar inputs = {\n }\n//\n// outputs\n//\nvar outputs = {\n sw_array:{type:'object',\n event:function(){\n mods.output(mod,'sw_array',mod.sw_array )}}\n }\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n\n var btn = document.createElement('button');\n btn.style.padding = mods.ui.padding;\n btn.style.margin = 1;\n btn.appendChild(document.createTextNode('send'));\n btn.addEventListener('click',function(){\n outputs.sw_array.event();\n });\n div.appendChild(btn);\n\n div.appendChild(document.createElement('br'))\n }\n//\n// local functions\n//\n;\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"469","left":"22","inputs":{},"outputs":{}},"0.14150626327820492":{"definition":"//\r\n// SWExtractFaces module extracts top faces of the same thickness from Tools/FabLab Connect command of SolidWorks products\r\n// \r\n// Shawn Liu @ Dassault Systemes SolidWorks Corporation\r\n// (c) Massachusetts Institute of Technology 2016\r\n// \r\n// This work may be reproduced, modified, distributed, performed, and \r\n// displayed for any purpose, but must acknowledge the mods\r\n// project. Copyright is retained and must be preserved. The work is \r\n// provided as is; no warranty is provided, and users accept all \r\n// liability.\r\n//\r\n// closure\r\n//\r\n(function(){\r\n//\r\n// module globals\r\n//\r\nvar mod = {}\r\n//\r\n// name\r\n//\r\nvar name = 'SWExtractFaces'\r\n//\r\n// initialization\r\n//\r\nvar init = function() {\r\n mod.address = getParameterByName('swIP') || '127.0.0.1'\r\n mod.port = getParameterByName('swPort') || '80'\r\n mod.socket = 0\r\n mod.thickness.value = 0.75\r\n socket_open()\r\n }\r\n//\r\n// inputs\r\n//\r\nvar inputs = {}\r\n//\r\n// outputs\r\n//\r\nvar outputs = {\r\n SVGArray:{type:'object',\r\n event:function(data){\r\n mods.output(mod, 'SVGArray', JSON.parse(data))\r\n }\r\n }\r\n}\r\n//\r\n// interface\r\n//\r\nvar interface = function(div){\r\n mod.div = div\r\n div.appendChild(document.createTextNode('server:'))\r\n div.appendChild(document.createElement('br'))\r\n div.appendChild(document.createTextNode('address: ' + getParameterByName('swIP')))\r\n div.appendChild(document.createElement('br'))\r\n div.appendChild(document.createTextNode('\\u00a0\\u00a0\\u00a0\\u00a0\\u00a0port: ' + getParameterByName('swPort')))\r\n div.appendChild(document.createElement('br'))\r\n div.appendChild(document.createTextNode('\\u00a0\\u00a0status: '))\r\n input = document.createElement('input')\r\n input.type = 'text'\r\n input.size = 12\r\n div.appendChild(input)\r\n mod.status = input\r\n div.appendChild(document.createElement('br'))\r\n var btn = document.createElement('button')\r\n btn.style.margin = 1\r\n btn.appendChild(document.createTextNode('open'))\r\n btn.addEventListener('click', function () {\r\n socket_open()\r\n })\r\n div.appendChild(btn)\r\n var btn = document.createElement('button')\r\n btn.style.margin = 1\r\n btn.appendChild(document.createTextNode('close'))\r\n btn.addEventListener('click', function () {\r\n socket_close()\r\n })\r\n div.appendChild(btn)\r\n div.appendChild(document.createElement('br'))\r\n div.appendChild(document.createTextNode('thickness: '))\r\n input = document.createElement('input')\r\n input.type = 'text'\r\n input.size = 10\r\n div.appendChild(input)\r\n mod.thickness = input\r\n div.appendChild(document.createTextNode('(inch)'))\r\n div.appendChild(document.createElement('br'))\r\n var btn = document.createElement('button')\r\n btn.style.margin = 1\r\n btn.appendChild(document.createTextNode('Extract SVGs'))\r\n btn.addEventListener('click',function() {\r\n extract_SVGs()\r\n })\r\n div.appendChild(btn)\r\n }\r\n//\r\n// local functions\r\n//\r\n\r\nfunction getParameterByName(name, url) {\r\n if (!url) url = window.location.href;\r\n name = name.replace(/[\\[\\]]/g, \"\\\\$&\");\r\n var regex = new RegExp(\"[?&]\" + name + \"(=([^&#]*)|&|#|$)\"),\r\n results = regex.exec(url);\r\n if (!results) return null;\r\n if (!results[2]) return '';\r\n return decodeURIComponent(results[2].replace(/\\+/g, \" \"));\r\n}\r\n\r\nfunction socket_open() {\r\n var url = \"ws://\"+mod.address+':'+mod.port\r\n mod.socket = new WebSocket(url)\r\n mod.socket.onopen = function(event) {\r\n mod.status.value = \"opened\"\r\n var connect = {}\r\n connect.modCmd = 'connect'\r\n connect.owner = getParameterByName('swOwner')\r\n connect.id = getParameterByName('swID')\r\n socket_send(JSON.stringify(connect))\r\n }\r\n mod.socket.onerror = function(event) {\r\n mod.status.value = \"can not open\"\r\n }\r\n mod.socket.onmessage = function(event) {\r\n mod.status.value = \"receive\"\r\n var swData = JSON.parse(event.data);\r\n if (swData.swType === \"FaceSVGArray\") {\r\n outputs.SVGArray.event(JSON.stringify(swData.data))\r\n }\r\n }\r\n mod.socket.onclose = function (event) {\r\n mod.status.value = \"connection closed\"\r\n }\r\n }\r\nfunction socket_close() {\r\n mod.socket.close()\r\n mod.status.value = \"closed\"\r\n mod.socket = 0\r\n }\r\nfunction socket_send(msg) {\r\n if (mod.socket != 0) {\r\n mod.status.value = \"send\"\r\n mod.socket.send(msg)\r\n }\r\n else {\r\n mod.status.value = \"can't send, not open\"\r\n }\r\n }\r\nfunction extract_SVGs() {\r\n var modcmd = new Object;\r\n modcmd.modCmd = \"AutoExtractFaces\";\r\n modcmd.thickness = Number(mod.thickness.value * 25.4); // inch to mm\r\n socket_send(JSON.stringify(modcmd))\r\n }\r\n\r\n//\r\n// return values\r\n//\r\nreturn ({\r\n name:name,\r\n init:init,\r\n inputs:inputs,\r\n outputs:outputs,\r\n interface:interface\r\n })\r\n}())\r\n","top":"96","left":"192","inputs":{},"outputs":{}}},"links":["{\"source\":\"{\\\"id\\\":\\\"0.07944144280928633\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"image\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.8903773266711255\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"image\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.3135579179893032\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"image\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.07944144280928633\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"image\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.6488303557466412\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"image\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.47383876715576023\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"image\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.23780413326993044\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"distances\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.3135579179893032\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"distances\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.5857417886002868\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"image\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.6488303557466412\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"image\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.8903773266711255\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"image\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.749132408760488\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"image\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.5857417886002868\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"imageInfo\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.32734870523599846\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"imageInfo\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.749132408760488\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"path\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.32734870523599846\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"path\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.32734870523599846\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"offset\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.3135579179893032\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"offset\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.32734870523599846\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"toolpath\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.6248369051648597\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"toolpath\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.49036025089153756\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"image\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.23780413326993044\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"image\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.47383876715576023\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"distances\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.49036025089153756\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"distances\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.32734870523599846\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"diameter\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.49036025089153756\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"diameter\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.6248369051648597\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"toolpath\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.8617147326718335\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"toolpath\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.8617147326718335\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"file\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.4793941661670936\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"file\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.07230598353953022\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"SVG\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.5857417886002868\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"SVG\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.14150626327820492\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"SVGArray\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.07230598353953022\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"SVGArray\\\"}\"}"]}
\ No newline at end of file
diff --git a/programs/machines/ShopBot/mill 2D ws b/programs/machines/ShopBot/mill 2D ws
deleted file mode 100644
index 6f725ed..0000000
--- a/programs/machines/ShopBot/mill 2D ws
+++ /dev/null
@@ -1 +0,0 @@
-{"modules":{"0.47383876715576023":{"definition":"//\n// distance transform \n// assumes thresholded image, with zero intensity exterior\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2015,6\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the fab modules \n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'distance transform'\n//\n// initialization\n//\nvar init = function() {\n }\n//\n// inputs\n//\nvar inputs = {\n image:{type:'RGBA',\n event:function(evt){\n mod.input = evt.detail\n var ctx = mod.img.getContext(\"2d\")\n ctx.canvas.width = mod.input.width\n ctx.canvas.height = mod.input.height \n ctx.putImageData(mod.input,0,0)\n distance_transform()}}}\n//\n// outputs\n//\nvar outputs = {\n distances:{type:'F32',\n event:function(){\n mod.distances.height = mod.input.height\n mod.distances.width = mod.input.width\n mods.output(mod,'distances',mod.distances)}}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // on-screen drawing canvas\n //\n var canvas = document.createElement('canvas')\n canvas.width = mods.ui.canvas\n canvas.height = mods.ui.canvas\n canvas.style.backgroundColor = 'rgb(255,255,255)'\n div.appendChild(canvas)\n mod.canvas = canvas\n div.appendChild(document.createElement('br'))\n //\n // off-screen image canvas\n //\n var canvas = document.createElement('canvas')\n mod.img = canvas\n //\n // view button\n //\n div.appendChild(document.createElement('br'))\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('view'))\n btn.addEventListener('click',function(){\n var win = window.open('')\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n })\n win.document.body.appendChild(btn)\n win.document.body.appendChild(document.createElement('br'))\n var canvas = document.createElement('canvas')\n canvas.width = mod.img.width\n canvas.height = mod.img.height\n win.document.body.appendChild(canvas)\n var ctx = canvas.getContext(\"2d\")\n ctx.drawImage(mod.img,0,0)\n })\n div.appendChild(btn)\n }\n//\n// local functions\n//\n// distance transform function\n//\nfunction distance_transform() {\n var blob = new Blob(['('+worker.toString()+'())'])\n var url = window.URL.createObjectURL(blob)\n var webworker = new Worker(url)\n webworker.addEventListener('message',function(evt) {\n window.URL.revokeObjectURL(url)\n var h = mod.img.height\n var w = mod.img.width\n mod.distances = new Float32Array(evt.data.buffer)\n var imgbuf = new Uint8ClampedArray(h*w*4)\n var dmax = -Number.MAX_VALUE\n for (var y = 0; y < h; ++y) {\n for (var x = 0; x < w; ++x) {\n if (mod.distances[(h-1-y)*w+x] > dmax)\n dmax = mod.distances[(h-1-y)*w+x]\n }\n }\n var i\n for (var y = 0; y < h; ++y) {\n for (var x = 0; x < w; ++x) {\n i = 255*mod.distances[(h-1-y)*w+x]/dmax\n imgbuf[(h-1-y)*w*4+x*4+0] = i\n imgbuf[(h-1-y)*w*4+x*4+1] = i\n imgbuf[(h-1-y)*w*4+x*4+2] = i\n imgbuf[(h-1-y)*w*4+x*4+3] = 255\n }\n }\n var imgdata = new ImageData(imgbuf,w,h)\n var ctx = mod.img.getContext(\"2d\")\n ctx.putImageData(imgdata,0,0)\n if (w > h) {\n var x0 = 0\n var y0 = mod.canvas.height*.5*(1-h/w)\n var wd = mod.canvas.width\n var hd = mod.canvas.width*h/w\n }\n else {\n var x0 = mod.canvas.width*.5*(1-w/h)\n var y0 = 0\n var wd = mod.canvas.height*w/h\n var hd = mod.canvas.height\n }\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n ctx.drawImage(mod.img,x0,y0,wd,hd)\n webworker.terminate()\n outputs.distances.event()\n })\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n var ctx = mod.img.getContext(\"2d\")\n ctx.putImageData(mod.input,0,0)\n var img = ctx.getImageData(0,0,mod.img.width,mod.img.height)\n webworker.postMessage({\n height:mod.input.height,width:mod.input.width,\n buffer:img.data.buffer},\n [img.data.buffer])\n }\n//\n// distance transform worker\n//\nfunction worker() {\n self.addEventListener('message',function(evt) {\n var ny = evt.data.height\n var nx = evt.data.width\n var input = new Uint8ClampedArray(evt.data.buffer)\n var output = new Float32Array(nx*ny)\n function distance(g,x,y,i) {\n return ((y-i)*(y-i)+g[i][x]*g[i][x])\n }\n function intersection(g,x,y0,y1) {\n return ((g[y0][x]*g[y0][x]-g[y1][x]*g[y1][x]+y0*y0-y1*y1)/(2.0*(y0-y1)))\n }\n //\n // allocate arrays\n //\n var g = []\n for (var y = 0; y < ny; ++y)\n g[y] = new Uint32Array(nx)\n var h = []\n for (var y = 0; y < ny; ++y)\n h[y] = new Uint32Array(nx)\n var distances = []\n for (var y = 0; y < ny; ++y)\n distances[y] = new Uint32Array(nx)\n var starts = new Uint32Array(ny)\n var minimums = new Uint32Array(ny)\n var d\n //\n // column scan\n // \n for (var y = 0; y < ny; ++y) {\n //\n // right pass\n //\n var closest = -nx\n for (var x = 0; x < nx; ++x) {\n if (input[(ny-1-y)*nx*4+x*4+0] != 0) {\n g[y][x] = 0\n closest = x\n }\n else\n g[y][x] = (x-closest)\n }\n //\n // left pass\n //\n closest = 2*nx\n for (var x = (nx-1); x >= 0; --x) {\n if (input[(ny-1-y)*nx*4+x*4+0] != 0)\n closest = x\n else {\n d = (closest-x)\n if (d < g[y][x])\n g[y][x] = d\n }\n }\n }\n //\n // row scan\n //\n for (var x = 0; x < nx; ++x) {\n var segment = 0\n starts[0] = 0\n minimums[0] = 0\n //\n // down \n //\n for (var y = 1; y < ny; ++y) {\n while ((segment >= 0) &&\n (distance(g,x,starts[segment],minimums[segment]) > distance(g,x,starts[segment],y)))\n segment -= 1\n if (segment < 0) {\n segment = 0\n minimums[0] = y\n }\n else {\n newstart = 1+intersection(g,x,minimums[segment],y)\n if (newstart < ny) {\n segment += 1\n minimums[segment] = y\n starts[segment] = newstart\n }\n }\n }\n //\n // up \n //\n for (var y = (ny-1); y >= 0; --y) {\n d = Math.sqrt(distance(g,x,y,minimums[segment]))\n output[(ny-1-y)*nx+x] = d\n if (y == starts[segment])\n segment -= 1\n }\n }\n self.postMessage({buffer:output.buffer},[output.buffer])\n })\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"168","left":"1908","inputs":{},"outputs":{}},"0.07944144280928633":{"definition":"//\n// edge detect\n// green = interior, blue = exterior, red = boundary\n// assumes input is thresholded\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2015,6\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the fab modules \n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'edge detect'\n//\n// initialization\n//\nvar init = function() {\n }\n//\n// inputs\n//\nvar inputs = {\n image:{type:'RGBA',\n event:function(evt){\n mod.input = evt.detail\n var ctx = mod.img.getContext(\"2d\")\n ctx.canvas.width = mod.input.width\n ctx.canvas.height = mod.input.height \n ctx.putImageData(mod.input,0,0)\n edge_detect()}}}\n//\n// outputs\n//\nvar outputs = {\n image:{type:'RGBA',\n event:function(){\n var ctx = mod.img.getContext(\"2d\")\n var img = ctx.getImageData(0,0,mod.img.width,mod.img.height)\n mods.output(mod,'image',img)}}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // on-screen drawing canvas\n //\n var canvas = document.createElement('canvas')\n canvas.width = mods.ui.canvas\n canvas.height = mods.ui.canvas\n canvas.style.backgroundColor = 'rgb(255,255,255)'\n div.appendChild(canvas)\n mod.canvas = canvas\n div.appendChild(document.createElement('br'))\n //\n // off-screen image canvas\n //\n var canvas = document.createElement('canvas')\n mod.img = canvas\n //\n // view button\n //\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('view'))\n btn.addEventListener('click',function(){\n var win = window.open('')\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n })\n win.document.body.appendChild(btn)\n win.document.body.appendChild(document.createElement('br'))\n win.document.body.appendChild(document.createTextNode('green:interior, blue:exterior, red:boundary'))\n win.document.body.appendChild(document.createElement('br'))\n var canvas = document.createElement('canvas')\n canvas.width = mod.img.width\n canvas.height = mod.img.height\n win.document.body.appendChild(canvas)\n var ctx = canvas.getContext(\"2d\")\n ctx.drawImage(mod.img,0,0)\n })\n div.appendChild(btn)\n }\n//\n// local functions\n//\n// edge detect\n//\nfunction edge_detect() {\n var blob = new Blob(['('+worker.toString()+'())'])\n var url = window.URL.createObjectURL(blob)\n var webworker = new Worker(url)\n webworker.addEventListener('message',function(evt) {\n window.URL.revokeObjectURL(url)\n var h = mod.img.height\n var w = mod.img.width\n var buf = new Uint8ClampedArray(evt.data.buffer)\n var imgdata = new ImageData(buf,w,h)\n var ctx = mod.img.getContext(\"2d\")\n ctx.putImageData(imgdata,0,0)\n if (w > h) {\n var x0 = 0\n var y0 = mod.canvas.height*.5*(1-h/w)\n var wd = mod.canvas.width\n var hd = mod.canvas.width*h/w\n }\n else {\n var x0 = mod.canvas.width*.5*(1-w/h)\n var y0 = 0\n var wd = mod.canvas.height*w/h\n var hd = mod.canvas.height\n }\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n ctx.drawImage(mod.img,x0,y0,wd,hd)\n webworker.terminate()\n outputs.image.event()\n })\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n webworker.postMessage({worker:worker.toString(),\n height:mod.input.height,width:mod.input.width,\n buffer:mod.input.data.buffer},\n [mod.input.data.buffer])\n }\nfunction worker() {\n self.addEventListener('message',function(evt) {\n var h = evt.data.height\n var w = evt.data.width\n var input = new Uint8ClampedArray(evt.data.buffer)\n var output = new Uint8ClampedArray(h*w*4)\n var i00,i0m,i0p,im0,ip0,imm,imp,ipm,ipp,row,col\n //\n // find edges - interior\n //\n for (row = 1; row < (h-1); ++row) {\n for (col = 1; col < (w-1); ++col) {\n i00 = (input[(h-1-row)*w*4+col*4+0] \n +input[(h-1-row)*w*4+col*4+1] \n +input[(h-1-row)*w*4+col*4+2])\n i0p = (input[(h-1-row)*w*4+(col+1)*4+0] \n +input[(h-1-row)*w*4+(col+1)*4+1] \n +input[(h-1-row)*w*4+(col+1)*4+2])\n ip0 = (input[(h-2-row)*w*4+col*4+0] \n +input[(h-2-row)*w*4+col*4+1] \n +input[(h-2-row)*w*4+col*4+2])\n ipp = (input[(h-2-row)*w*4+(col+1)*4+0] \n +input[(h-2-row)*w*4+(col+1)*4+1] \n +input[(h-2-row)*w*4+(col+1)*4+2])\n i0m = (input[(h-1-row)*w*4+(col-1)*4+0] \n +input[(h-1-row)*w*4+(col-1)*4+1] \n +input[(h-1-row)*w*4+(col-1)*4+2])\n im0 = (input[(h-row)*w*4+col*4+0] \n +input[(h-row)*w*4+col*4+1] \n +input[(h-row)*w*4+col*4+2])\n imm = (input[(h-row)*w*4+(col-1)*4+0] \n +input[(h-row)*w*4+(col-1)*4+1] \n +input[(h-row)*w*4+(col-1)*4+2])\n imp = (input[(h-row)*w*4+(col+1)*4+0] \n +input[(h-row)*w*4+(col+1)*4+1] \n +input[(h-row)*w*4+(col+1)*4+2])\n ipm = (input[(h-2-row)*w*4+(col-1)*4+0] \n +input[(h-2-row)*w*4+(col-1)*4+1] \n +input[(h-2-row)*w*4+(col-1)*4+2])\n if ((i00 != i0p) || (i00 != ip0) || (i00 != ipp) \n || (i00 != i0m) || (i00 != im0) || (i00 != imm)\n || (i00 != imp) || (i00 != ipm)) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else if (i00 == 0) {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n }\n }\n //\n // left and right edges\n //\n for (row = 1; row < (h-1); ++row) {\n col = w-1\n i00 = (input[(h-1-row)*w*4+col*4+0] \n +input[(h-1-row)*w*4+col*4+1] \n +input[(h-1-row)*w*4+col*4+2])\n i0m = (input[(h-1-row)*w*4+(col-1)*4+0] \n +input[(h-1-row)*w*4+(col-1)*4+1] \n +input[(h-1-row)*w*4+(col-1)*4+2])\n imm = (input[(h-row)*w*4+(col-1)*4+0] \n +input[(h-row)*w*4+(col-1)*4+1] \n +input[(h-row)*w*4+(col-1)*4+2])\n ipm = (input[(h-2-row)*w*4+(col-1)*4+0] \n +input[(h-2-row)*w*4+(col-1)*4+1] \n +input[(h-2-row)*w*4+(col-1)*4+2])\n im0 = (input[(h-row)*w*4+col*4+0] \n +input[(h-row)*w*4+col*4+1] \n +input[(h-row)*w*4+col*4+2])\n ip0 = (input[(h-2-row)*w*4+col*4+0] \n +input[(h-2-row)*w*4+col*4+1] \n +input[(h-2-row)*w*4+col*4+2])\n if ((i00 != i0m) || (i00 != ip0) || (i00 != ipm) \n || (i00 != im0) || (i00 != imm)) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else if (i00 == 0) {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n col = 0\n i00 = (input[(h-1-row)*w*4+col*4+0] \n +input[(h-1-row)*w*4+col*4+1] \n +input[(h-1-row)*w*4+col*4+2])\n i0p = (input[(h-1-row)*w*4+(col+1)*4+0] \n +input[(h-1-row)*w*4+(col+1)*4+1] \n +input[(h-1-row)*w*4+(col+1)*4+2])\n imp = (input[(h-row)*w*4+(col+1)*4+0] \n +input[(h-row)*w*4+(col+1)*4+1] \n +input[(h-row)*w*4+(col+1)*4+2])\n ipp = (input[(h-2-row)*w*4+(col+1)*4+0] \n +input[(h-2-row)*w*4+(col+1)*4+1] \n +input[(h-2-row)*w*4+(col+1)*4+2])\n im0 = (input[(h-row)*w*4+col*4+0] \n +input[(h-row)*w*4+col*4+1] \n +input[(h-row)*w*4+col*4+2])\n ip0 = (input[(h-2-row)*w*4+col*4+0] \n +input[(h-2-row)*w*4+col*4+1] \n +input[(h-2-row)*w*4+col*4+2])\n if ((i00 != i0p) || (i00 != ip0) || (i00 != ipp) \n || (i00 != im0) || (i00 != imp)) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else if (i00 == 0) {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n }\n //\n // top and bottom edges\n //\n for (col = 1; col < (w-1); ++col) {\n row = h-1\n i00 = (input[(h-1-row)*w*4+col*4+0] \n +input[(h-1-row)*w*4+col*4+1] \n +input[(h-1-row)*w*4+col*4+2])\n i0m = (input[(h-1-row)*w*4+(col-1)*4+0] \n +input[(h-1-row)*w*4+(col-1)*4+1] \n +input[(h-1-row)*w*4+(col-1)*4+2])\n i0p = (input[(h-1-row)*w*4+(col+1)*4+0] \n +input[(h-1-row)*w*4+(col+1)*4+1] \n +input[(h-1-row)*w*4+(col+1)*4+2])\n imm = (input[(h-row)*w*4+(col-1)*4+0] \n +input[(h-row)*w*4+(col-1)*4+1] \n +input[(h-row)*w*4+(col-1)*4+2])\n im0 = (input[(h-row)*w*4+col*4+0] \n +input[(h-row)*w*4+col*4+1] \n +input[(h-row)*w*4+col*4+2])\n imp = (input[(h-row)*w*4+(col+1)*4+0] \n +input[(h-row)*w*4+(col+1)*4+1] \n +input[(h-row)*w*4+(col+1)*4+2])\n if ((i00 != i0m) || (i00 != i0p) || (i00 != imm) \n || (i00 != im0) || (i00 != imp)) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else if (i00 == 0) {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n row = 0\n i00 = (input[(h-1-row)*w*4+col*4+0] \n +input[(h-1-row)*w*4+col*4+1] \n +input[(h-1-row)*w*4+col*4+2])\n i0m = (input[(h-1-row)*w*4+(col-1)*4+0] \n +input[(h-1-row)*w*4+(col-1)*4+1] \n +input[(h-1-row)*w*4+(col-1)*4+2])\n i0p = (input[(h-1-row)*w*4+(col+1)*4+0] \n +input[(h-1-row)*w*4+(col+1)*4+1] \n +input[(h-1-row)*w*4+(col+1)*4+2])\n ipm = (input[(h-2-row)*w*4+(col-1)*4+0] \n +input[(h-2-row)*w*4+(col-1)*4+1] \n +input[(h-2-row)*w*4+(col-1)*4+2])\n ip0 = (input[(h-2-row)*w*4+col*4+0] \n +input[(h-2-row)*w*4+col*4+1] \n +input[(h-2-row)*w*4+col*4+2])\n ipp = (input[(h-2-row)*w*4+(col+1)*4+0] \n +input[(h-2-row)*w*4+(col+1)*4+1] \n +input[(h-2-row)*w*4+(col+1)*4+2])\n if ((i00 != i0m) || (i00 != i0p) || (i00 != ipm) \n || (i00 != ip0) || (i00 != ipp)) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else if (i00 == 0) {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n }\n //\n // corners\n //\n row = 0\n col = 0\n i00 = (input[(h-1-row)*w*4+col*4+0] \n +input[(h-1-row)*w*4+col*4+1] \n +input[(h-1-row)*w*4+col*4+2])\n i0p = (input[(h-1-row)*w*4+(col+1)*4+0] \n +input[(h-1-row)*w*4+(col+1)*4+1] \n +input[(h-1-row)*w*4+(col+1)*4+2])\n ip0 = (input[(h-2-row)*w*4+col*4+0] \n +input[(h-2-row)*w*4+col*4+1] \n +input[(h-2-row)*w*4+col*4+2])\n ipp = (input[(h-2-row)*w*4+(col+1)*4+0] \n +input[(h-2-row)*w*4+(col+1)*4+1] \n +input[(h-2-row)*w*4+(col+1)*4+2])\n if ((i00 != i0p) || (i00 != ip0) || (i00 != ipp)) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else if (i00 == 0) {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n row = 0\n col = w-1\n i00 = (input[(h-1-row)*w*4+col*4+0] \n +input[(h-1-row)*w*4+col*4+1] \n +input[(h-1-row)*w*4+col*4+2])\n i0m = (input[(h-1-row)*w*4+(col-1)*4+0] \n +input[(h-1-row)*w*4+(col-1)*4+1] \n +input[(h-1-row)*w*4+(col-1)*4+2])\n ip0 = (input[(h-2-row)*w*4+col*4+0] \n +input[(h-2-row)*w*4+col*4+1] \n +input[(h-2-row)*w*4+col*4+2])\n ipm = (input[(h-2-row)*w*4+(col-1)*4+0] \n +input[(h-2-row)*w*4+(col-1)*4+1] \n +input[(h-2-row)*w*4+(col-1)*4+2])\n if ((i00 != i0m) || (i00 != ip0) || (i00 != ipm)) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else if (i00 == 0) {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n row = h-1\n col = 0\n i00 = (input[(h-1-row)*w*4+col*4+0] \n +input[(h-1-row)*w*4+col*4+1] \n +input[(h-1-row)*w*4+col*4+2])\n i0p = (input[(h-1-row)*w*4+(col+1)*4+0] \n +input[(h-1-row)*w*4+(col+1)*4+1] \n +input[(h-1-row)*w*4+(col+1)*4+2])\n im0 = (input[(h-row)*w*4+col*4+0] \n +input[(h-row)*w*4+col*4+1] \n +input[(h-row)*w*4+col*4+2])\n imp = (input[(h-row)*w*4+(col+1)*4+0] \n +input[(h-row)*w*4+(col+1)*4+1] \n +input[(h-row)*w*4+(col+1)*4+2])\n if ((i00 != i0p) || (i00 != im0) || (i00 != imp)) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else if (i00 == 0) {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n row = h-1\n col = w-1\n i00 = (input[(h-1-row)*w*4+col*4+0] \n +input[(h-1-row)*w*4+col*4+1] \n +input[(h-1-row)*w*4+col*4+2])\n i0m = (input[(h-1-row)*w*4+(col-1)*4+0] \n +input[(h-1-row)*w*4+(col-1)*4+1] \n +input[(h-1-row)*w*4+(col-1)*4+2])\n im0 = (input[(h-row)*w*4+col*4+0] \n +input[(h-row)*w*4+col*4+1] \n +input[(h-row)*w*4+col*4+2])\n imm = (input[(h-row)*w*4+(col-1)*4+0] \n +input[(h-row)*w*4+(col-1)*4+1] \n +input[(h-row)*w*4+(col-1)*4+2])\n if ((i00 != i0m) || (i00 != im0) || (i00 != imm)) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else if (i00 == 0) {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n self.postMessage({buffer:output.buffer},[output.buffer])\n })\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"928","left":"2117","inputs":{},"outputs":{}},"0.8903773266711255":{"definition":"//\n// orient edges\n// input is green:interior, blue:exterior, red:boundary\n// output is red 128:north,64:south, green 128:east,64:west, blue 128:start,64:stop\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2016\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the fab modules \n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'orient edges'\n//\n// initialization\n//\nvar init = function() {\n }\n//\n// inputs\n//\nvar inputs = {\n image:{type:'RGBA',\n event:function(evt){\n mod.input = evt.detail\n var ctx = mod.img.getContext(\"2d\")\n ctx.canvas.width = mod.input.width\n ctx.canvas.height = mod.input.height \n ctx.putImageData(mod.input,0,0)\n var ctx = mod.display.getContext(\"2d\")\n ctx.canvas.width = mod.input.width\n ctx.canvas.height = mod.input.height \n orient_edges()\n }}}\n//\n// outputs\n//\nvar outputs = {\n image:{type:'RGBA',\n event:function(){\n var ctx = mod.img.getContext(\"2d\")\n var img = ctx.getImageData(0,0,mod.img.width,mod.img.height)\n mods.output(mod,'image',img)}}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // on-screen drawing canvas\n //\n var canvas = document.createElement('canvas')\n canvas.width = mods.ui.canvas\n canvas.height = mods.ui.canvas\n canvas.style.backgroundColor = 'rgb(255,255,255)'\n div.appendChild(canvas)\n mod.canvas = canvas\n div.appendChild(document.createElement('br'))\n //\n // off-screen image canvas\n //\n var canvas = document.createElement('canvas')\n mod.img = canvas\n //\n // off-screen display canvas\n //\n var canvas = document.createElement('canvas')\n mod.display = canvas\n //\n // view button\n //\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('view'))\n btn.addEventListener('click',function(){\n var win = window.open('')\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n })\n win.document.body.appendChild(btn)\n win.document.body.appendChild(document.createElement('br'))\n win.document.body.appendChild(document.createTextNode('red:north, dark red:south'))\n win.document.body.appendChild(document.createElement('br'))\n win.document.body.appendChild(document.createTextNode('green:east, dark green:west'))\n win.document.body.appendChild(document.createElement('br'))\n win.document.body.appendChild(document.createTextNode('blue:start, dark blue:stop'))\n win.document.body.appendChild(document.createElement('br'))\n var canvas = document.createElement('canvas')\n canvas.width = mod.img.width\n canvas.height = mod.img.height\n win.document.body.appendChild(canvas)\n var ctx = canvas.getContext(\"2d\")\n ctx.drawImage(mod.display,0,0)\n })\n div.appendChild(btn)\n }\n//\n// local functions\n//\n// orient edges\n//\nfunction orient_edges() {\n var blob = new Blob(['('+worker.toString()+'())'])\n var url = window.URL.createObjectURL(blob)\n var webworker = new Worker(url)\n webworker.addEventListener('message',function(evt) {\n window.URL.revokeObjectURL(url)\n var h = mod.img.height\n var w = mod.img.width\n var buf = new Uint8ClampedArray(evt.data.buffer)\n var imgdata = new ImageData(buf,w,h)\n var ctx = mod.img.getContext(\"2d\")\n ctx.putImageData(imgdata,0,0)\n var disp = new Uint8ClampedArray(evt.data.display)\n var dispdata = new ImageData(disp,w,h)\n var ctx = mod.display.getContext(\"2d\")\n ctx.putImageData(dispdata,0,0)\n if (w > h) {\n var x0 = 0\n var y0 = mod.canvas.height*.5*(1-h/w)\n var wd = mod.canvas.width\n var hd = mod.canvas.width*h/w\n }\n else {\n var x0 = mod.canvas.width*.5*(1-w/h)\n var y0 = 0\n var wd = mod.canvas.height*w/h\n var hd = mod.canvas.height\n }\n var w = mod.canvas.width\n var h = mod.canvas.height\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,w,h)\n ctx.drawImage(mod.display,x0,y0,wd,hd)\n webworker.terminate()\n outputs.image.event()\n })\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n webworker.postMessage({\n height:mod.input.height,width:mod.input.width,\n buffer:mod.input.data.buffer},\n [mod.input.data.buffer])\n }\nfunction worker() {\n self.addEventListener('message',function(evt) {\n var h = evt.data.height\n var w = evt.data.width\n var input = new Uint8ClampedArray(evt.data.buffer)\n var output = new Uint8ClampedArray(h*w*4)\n var row,col\n var boundary = 0\n var interior = 1\n var exterior = 2\n var alpha = 3\n var northsouth = 0\n var north = 128\n var south = 64\n var eastwest = 1\n var east = 128\n var west = 64\n var startstop = 2\n var start = 128\n var stop = 64\n //\n // orient body states\n //\n for (row = 1; row < (h-1); ++row) {\n for (col = 1; col < (w-1); ++col) {\n output[(h-1-row)*w*4+col*4+northsouth] = 0\n output[(h-1-row)*w*4+col*4+eastwest] = 0\n output[(h-1-row)*w*4+col*4+startstop] = 0\n output[(h-1-row)*w*4+col*4+alpha] = 255\n if (input[(h-1-(row))*w*4+(col)*4+boundary] != 0) {\n if ((input[(h-1-(row+1))*w*4+(col)*4+boundary] != 0)\n && ((input[(h-1-(row))*w*4+(col+1)*4+interior] != 0)\n || (input[(h-1-(row+1))*w*4+(col+1)*4+interior] != 0)))\n output[(h-1-row)*w*4+col*4+northsouth] |= north\n if ((input[(h-1-(row-1))*w*4+(col)*4+boundary] != 0)\n && ((input[(h-1-(row))*w*4+(col-1)*4+interior] != 0)\n || (input[(h-1-(row-1))*w*4+(col-1)*4+interior] != 0)))\n output[(h-1-row)*w*4+col*4+northsouth] |= south\n if ((input[(h-1-(row))*w*4+(col+1)*4+boundary] != 0)\n && ((input[(h-1-(row-1))*w*4+(col)*4+interior] != 0)\n || (input[(h-1-(row-1))*w*4+(col+1)*4+interior] != 0)))\n output[(h-1-row)*w*4+col*4+eastwest] |= east\n if ((input[(h-1-(row))*w*4+(col-1)*4+boundary] != 0)\n && ((input[(h-1-(row+1))*w*4+(col)*4+interior] != 0)\n || (input[(h-1-(row+1))*w*4+(col-1)*4+interior] != 0)))\n output[(h-1-row)*w*4+col*4+eastwest] |= west\n }\n }\n }\n //\n // orient edge states\n //\n for (col = 1; col < (w-1); ++col) {\n row = 0\n output[(h-1-row)*w*4+col*4+northsouth] = 0\n output[(h-1-row)*w*4+col*4+eastwest] = 0\n output[(h-1-row)*w*4+col*4+startstop] = 0\n output[(h-1-row)*w*4+col*4+alpha] = 255\n if (input[(h-1-(row))*w*4+(col)*4+boundary] != 0) {\n if ((input[(h-1-(row+1))*w*4+(col)*4+boundary] != 0)\n && (input[(h-1-(row))*w*4+(col+1)*4+interior] != 0)) {\n output[(h-1-row)*w*4+col*4+northsouth] |= north\n output[(h-1-row)*w*4+col*4+startstop] |= start\n }\n if (input[(h-1-(row))*w*4+(col-1)*4+interior] != 0)\n output[(h-1-row)*w*4+col*4+startstop] |= stop\n }\n row = h-1\n output[(h-1-row)*w*4+col*4+northsouth] = 0\n output[(h-1-row)*w*4+col*4+eastwest] = 0\n output[(h-1-row)*w*4+col*4+startstop] = 0\n output[(h-1-row)*w*4+col*4+alpha] = 255\n if (input[(h-1-(row))*w*4+(col)*4+boundary] != 0) {\n if (input[(h-1-(row))*w*4+(col+1)*4+interior] != 0)\n output[(h-1-row)*w*4+col*4+startstop] |= stop\n if ((input[(h-1-(row-1))*w*4+(col)*4+boundary] != 0)\n && (input[(h-1-(row))*w*4+(col-1)*4+interior] != 0)) {\n output[(h-1-row)*w*4+col*4+northsouth] |= south\n output[(h-1-row)*w*4+col*4+startstop] |= start\n }\n }\n }\n for (row = 1; row < (h-1); ++row) {\n col = 0\n output[(h-1-row)*w*4+col*4+northsouth] = 0\n output[(h-1-row)*w*4+col*4+eastwest] = 0\n output[(h-1-row)*w*4+col*4+startstop] = 0\n output[(h-1-row)*w*4+col*4+alpha] = 255\n if (input[(h-1-(row))*w*4+(col)*4+boundary] != 0) {\n if ((input[(h-1-(row))*w*4+(col+1)*4+boundary] != 0)\n && (input[(h-1-(row-1))*w*4+(col)*4+interior] != 0)) {\n output[(h-1-row)*w*4+col*4+eastwest] |= east\n output[(h-1-row)*w*4+col*4+startstop] |= start\n }\n if (input[(h-1-(row+1))*w*4+(col)*4+interior] != 0)\n output[(h-1-row)*w*4+col*4+startstop] |= stop\n }\n col = w-1\n output[(h-1-row)*w*4+col*4+northsouth] = 0\n output[(h-1-row)*w*4+col*4+eastwest] = 0\n output[(h-1-row)*w*4+col*4+startstop] = 0\n output[(h-1-row)*w*4+col*4+alpha] = 255\n if (input[(h-1-(row))*w*4+(col)*4+boundary] != 0) {\n if (input[(h-1-(row-1))*w*4+(col)*4+interior] != 0)\n output[(h-1-row)*w*4+col*4+startstop] |= stop\n if ((input[(h-1-(row))*w*4+(col-1)*4+boundary] != 0)\n && (input[(h-1-(row+1))*w*4+(col)*4+interior] != 0)) {\n output[(h-1-row)*w*4+col*4+eastwest] |= west\n output[(h-1-row)*w*4+col*4+startstop] |= start\n }\n }\n }\n //\n // orient corner states (todo)\n //\n row = 0\n col = 0\n output[(h-1-row)*w*4+col*4+northsouth] = 0\n output[(h-1-row)*w*4+col*4+eastwest] = 0\n output[(h-1-row)*w*4+col*4+startstop] = 0\n output[(h-1-row)*w*4+col*4+alpha] = 255\n row = h-1\n col = 0\n output[(h-1-row)*w*4+col*4+northsouth] = 0\n output[(h-1-row)*w*4+col*4+eastwest] = 0\n output[(h-1-row)*w*4+col*4+startstop] = 0\n output[(h-1-row)*w*4+col*4+alpha] = 255\n row = 0\n col = w-1\n output[(h-1-row)*w*4+col*4+northsouth] = 0\n output[(h-1-row)*w*4+col*4+eastwest] = 0\n output[(h-1-row)*w*4+col*4+startstop] = 0\n output[(h-1-row)*w*4+col*4+alpha] = 255\n row = h-1\n col = w-1\n output[(h-1-row)*w*4+col*4+northsouth] = 0\n output[(h-1-row)*w*4+col*4+eastwest] = 0\n output[(h-1-row)*w*4+col*4+startstop] = 0\n output[(h-1-row)*w*4+col*4+alpha] = 255\n //\n // invert background for display\n //\n var display = new Uint8ClampedArray(h*w*4)\n var r,g,b,i\n for (row = 0; row < h; ++row) {\n for (col = 0; col < w; ++col) {\n r = output[(h-1-row)*w*4+col*4+0]\n g = output[(h-1-row)*w*4+col*4+1]\n b = output[(h-1-row)*w*4+col*4+2]\n i = r+g+b\n if (i != 0) { \n display[(h-1-row)*w*4+col*4+0] = output[(h-1-row)*w*4+col*4+0]\n display[(h-1-row)*w*4+col*4+1] = output[(h-1-row)*w*4+col*4+1]\n display[(h-1-row)*w*4+col*4+2] = output[(h-1-row)*w*4+col*4+2]\n display[(h-1-row)*w*4+col*4+3] = output[(h-1-row)*w*4+col*4+3]\n }\n else {\n display[(h-1-row)*w*4+col*4+0] = 255\n display[(h-1-row)*w*4+col*4+1] = 255\n display[(h-1-row)*w*4+col*4+2] = 255\n display[(h-1-row)*w*4+col*4+3] = 255\n }\n }\n }\n //\n // return output\n //\n self.postMessage({buffer:output.buffer,display:display.buffer},[output.buffer,display.buffer])\n })\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"831","left":"2600","inputs":{},"outputs":{}},"0.3135579179893032":{"definition":"//\n// distance transform \n// assumes thresholded image, with zero intensity exterior\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2015,6\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the fab modules \n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'offset'\n//\n// initialization\n//\nvar init = function() {\n mod.offset.value = ''\n }\n//\n// inputs\n//\nvar inputs = {\n distances:{type:'F32',\n event:function(evt){\n mod.distances = evt.detail\n var h = mod.distances.height\n var w = mod.distances.width\n var ctx = mod.img.getContext(\"2d\")\n ctx.canvas.height = mod.distances.height \n ctx.canvas.width = mod.distances.width\n if (mod.offset.value != '')\n offset()\n }},\n offset:{type:'number',\n event:function(evt){\n mod.offset.value = evt.detail\n offset()}}}\n//\n// outputs\n//\nvar outputs = {\n image:{type:'RGBA',\n event:function(){\n var ctx = mod.img.getContext(\"2d\")\n var img = ctx.getImageData(0,0,mod.img.width,mod.img.height)\n mods.output(mod,'image',img)}}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // on-screen drawing canvas\n //\n var canvas = document.createElement('canvas')\n canvas.width = mods.ui.canvas\n canvas.height = mods.ui.canvas\n canvas.style.backgroundColor = 'rgb(255,255,255)'\n div.appendChild(canvas)\n mod.canvas = canvas\n div.appendChild(document.createElement('br'))\n //\n // off-screen image canvas\n //\n var canvas = document.createElement('canvas')\n mod.img = canvas\n //\n // offset value\n //\n div.appendChild(document.createTextNode('offset (pixels): '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('change',function(){\n offset()\n })\n div.appendChild(input)\n mod.offset = input\n //\n // view button\n //\n div.appendChild(document.createElement('br'))\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('view'))\n btn.addEventListener('click',function(){\n var win = window.open('')\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n })\n win.document.body.appendChild(btn)\n win.document.body.appendChild(document.createElement('br'))\n var canvas = document.createElement('canvas')\n canvas.width = mod.img.width\n canvas.height = mod.img.height\n win.document.body.appendChild(canvas)\n var ctx = canvas.getContext(\"2d\")\n ctx.drawImage(mod.img,0,0)\n })\n div.appendChild(btn)\n }\n//\n// local functions\n//\n// offset\n//\nfunction offset() {\n var blob = new Blob(['('+worker.toString()+'())'])\n var url = window.URL.createObjectURL(blob)\n var webworker = new Worker(url)\n webworker.addEventListener('message',function(evt) {\n window.URL.revokeObjectURL(url)\n var h = mod.distances.height\n var w = mod.distances.width\n var buf = new Uint8ClampedArray(evt.data.buffer)\n var imgdata = new ImageData(buf,w,h)\n var ctx = mod.img.getContext(\"2d\")\n ctx.putImageData(imgdata,0,0)\n if (w > h) {\n var x0 = 0\n var y0 = mod.canvas.height*.5*(1-h/w)\n var wd = mod.canvas.width\n var hd = mod.canvas.width*h/w\n }\n else {\n var x0 = mod.canvas.width*.5*(1-w/h)\n var y0 = 0\n var wd = mod.canvas.height*w/h\n var hd = mod.canvas.height\n }\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n ctx.drawImage(mod.img,x0,y0,wd,hd)\n webworker.terminate()\n outputs.image.event()\n })\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n var offset = parseFloat(mod.offset.value)\n webworker.postMessage({\n height:mod.distances.height,width:mod.distances.width,\n offset:offset,buffer:mod.distances.buffer})\n }\n//\n// offset worker\n//\nfunction worker() {\n self.addEventListener('message',function(evt) {\n var h = evt.data.height\n var w = evt.data.width\n var offset = evt.data.offset\n var input = new Float32Array(evt.data.buffer)\n var output = new Uint8ClampedArray(4*h*w)\n for (var row = 0; row < h; ++row) {\n for (var col = 0; col < w; ++col) {\n if (input[(h-1-row)*w+col] <= offset) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n }\n }\n self.postMessage({buffer:output.buffer},[output.buffer])\n })\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"462","left":"2986","inputs":{},"outputs":{}},"0.6488303557466412":{"definition":"//\n// image threshold\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2015,6\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the fab modules \n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'image threshold'\n//\n// initialization\n//\nvar init = function() {\n mod.threshold.value = 0.5\n }\n//\n// inputs\n//\nvar inputs = {\n image:{type:'RGBA',\n event:function(evt){\n mod.input = evt.detail\n var ctx = mod.img.getContext(\"2d\")\n ctx.canvas.width = mod.input.width\n ctx.canvas.height = mod.input.height \n ctx.putImageData(mod.input,0,0)\n threshold_image()}}}\n//\n// outputs\n//\nvar outputs = {\n image:{type:'RGBA',\n event:function(){\n var ctx = mod.img.getContext(\"2d\")\n var img = ctx.getImageData(0,0,mod.img.width,mod.img.height)\n mods.output(mod,'image',img)}}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // on-screen drawing canvas\n //\n var canvas = document.createElement('canvas')\n canvas.width = mods.ui.canvas\n canvas.height = mods.ui.canvas\n canvas.style.backgroundColor = 'rgb(255,255,255)'\n div.appendChild(canvas)\n mod.canvas = canvas\n div.appendChild(document.createElement('br'))\n //\n // off-screen image canvas\n //\n var canvas = document.createElement('canvas')\n mod.img = canvas\n //\n // threshold value\n //\n div.appendChild(document.createTextNode('threshold (0-1): '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('change',function(){\n threshold_image()\n })\n div.appendChild(input)\n mod.threshold = input\n div.appendChild(document.createElement('br'))\n //\n // view button\n //\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('view'))\n btn.addEventListener('click',function(){\n var win = window.open('')\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n })\n win.document.body.appendChild(btn)\n win.document.body.appendChild(document.createElement('br'))\n var canvas = document.createElement('canvas')\n canvas.width = mod.img.width\n canvas.height = mod.img.height\n win.document.body.appendChild(canvas)\n var ctx = canvas.getContext(\"2d\")\n ctx.drawImage(mod.img,0,0)\n })\n div.appendChild(btn)\n }\n//\n// local functions\n//\n// threshold image\n//\nfunction threshold_image() {\n var blob = new Blob(['('+worker.toString()+'())'])\n var url = window.URL.createObjectURL(blob)\n var webworker = new Worker(url)\n webworker.addEventListener('message',function(evt) {\n window.URL.revokeObjectURL(url)\n var h = mod.img.height\n var w = mod.img.width\n var buf = new Uint8ClampedArray(evt.data.buffer)\n var imgdata = new ImageData(buf,w,h)\n var ctx = mod.img.getContext(\"2d\")\n ctx.putImageData(imgdata,0,0)\n if (w > h) {\n var x0 = 0\n var y0 = mod.canvas.height*.5*(1-h/w)\n var wd = mod.canvas.width\n var hd = mod.canvas.width*h/w\n }\n else {\n var x0 = mod.canvas.width*.5*(1-w/h)\n var y0 = 0\n var wd = mod.canvas.height*w/h\n var hd = mod.canvas.height\n }\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n ctx.drawImage(mod.img,x0,y0,wd,hd)\n webworker.terminate()\n outputs.image.event()\n })\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n var t = parseFloat(mod.threshold.value)\n var ctx = mod.img.getContext(\"2d\")\n ctx.putImageData(mod.input,0,0)\n var img = ctx.getImageData(0,0,mod.img.width,mod.img.height)\n webworker.postMessage({\n height:mod.input.height,width:mod.input.width,threshold:t,\n buffer:img.data.buffer},\n [img.data.buffer])\n }\nfunction worker() {\n self.addEventListener('message',function(evt) {\n var h = evt.data.height\n var w = evt.data.width\n var t = evt.data.threshold\n var buf = new Uint8ClampedArray(evt.data.buffer)\n var r,g,b,a,i\n for (var row = 0; row < h; ++row) {\n for (var col = 0; col < w; ++col) {\n r = buf[(h-1-row)*w*4+col*4+0] \n g = buf[(h-1-row)*w*4+col*4+1] \n b = buf[(h-1-row)*w*4+col*4+2] \n a = buf[(h-1-row)*w*4+col*4+3] \n i = (r+g+b)/(3*255)\n if (a == 0)\n val = 255\n else if (i > t)\n var val = 255\n else\n var val = 0\n buf[(h-1-row)*w*4+col*4+0] = val\n buf[(h-1-row)*w*4+col*4+1] = val\n buf[(h-1-row)*w*4+col*4+2] = val\n buf[(h-1-row)*w*4+col*4+3] = 255\n }\n }\n self.postMessage({buffer:buf.buffer},[buf.buffer])\n })\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"12","left":"1494","inputs":{},"outputs":{}},"0.4793941661670936":{"definition":"//\n// save file\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2016\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the mods\n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'save file'\n//\n// initialization\n//\nvar init = function() {\n }\n//\n// inputs\n//\nvar inputs = {\n file:{type:'object',\n event:function(evt){\n mod.name = evt.detail.name\n mod.contents = evt.detail.contents\n save_file()\n }}}\n//\n// outputs\n//\nvar outputs = {}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // info\n //\n var text = document.createTextNode('name:')\n div.appendChild(text)\n mod.nametext = text\n div.appendChild(document.createElement('br'))\n var text = document.createTextNode('size:')\n div.appendChild(text)\n mod.sizetext = text\n div.appendChild(document.createElement('br'))\n }\n//\n// local functions\n//\nfunction save_file() {\n var a = document.createElement('a')\n a.setAttribute('href','data:text/plain;charset=utf-8,'+ \n encodeURIComponent(mod.contents))\n a.setAttribute('download',mod.name)\n a.style.display = 'none'\n document.body.appendChild(a)\n a.click()\n document.body.removeChild(a)\n mod.nametext.nodeValue = 'name: '+mod.name\n mods.fit(mod.div)\n mod.sizetext.nodeValue = 'size: '+mod.contents.length\n mods.fit(mod.div)\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"1225","left":"1239","inputs":{},"outputs":{}},"0.6248369051648597":{"definition":"//\n// view toolpath\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2016\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the mods\n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// todo:\n// erase and update new path\n// show depth info\n// show size\n// calculate camera far\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'view toolpath'\n//\n// initialization\n//\nvar init = function() {\n }\n//\n// inputs\n//\nvar inputs = {\n toolpath:{type:'object',\n event:function(evt){\n mod.path = evt.detail.path\n mod.name = evt.detail.name\n mod.dpi = evt.detail.dpi\n mod.width = evt.detail.width\n mod.height = evt.detail.height\n mod.depth = evt.detail.depth\n show_path_info()\n show_path()\n outputs.toolpath.event()\n }}}\n//\n// outputs\n//\nvar outputs = {\n toolpath:{type:'object',\n event:function(){\n cmd = {}\n cmd.path = mod.path\n cmd.name = mod.name\n cmd.dpi = mod.dpi\n cmd.width = mod.width\n cmd.height = mod.height\n mods.output(mod,'toolpath',cmd)\n }}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // info\n //\n var text = document.createTextNode('name: ')\n div.appendChild(text)\n mod.nametext = text\n div.appendChild(document.createElement('br'))\n var text = document.createTextNode('(mm)')\n div.appendChild(text)\n mod.mmtext = text\n div.appendChild(document.createElement('br'))\n var text = document.createTextNode('(in)')\n div.appendChild(text)\n mod.intext = text\n //\n // view\n // \n div.appendChild(document.createElement('br')) \n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n var span = document.createElement('span')\n var text = document.createTextNode('view')\n span.appendChild(text)\n btn.appendChild(span)\n btn.addEventListener('click',function(){\n open_view_window()\n })\n div.appendChild(btn)\n }\n//\n// local functions\n//\n// show_path_info\n//\nfunction show_path_info() {\n mod.nametext.nodeValue = 'name: '+mod.name\n var width = (25.4*mod.width/mod.dpi).toFixed(3)\n var height = (25.4*mod.height/mod.dpi).toFixed(3)\n var depth = (25.4*mod.depth/mod.dpi).toFixed(3)\n if (mod.depth == undefined)\n mod.mmtext.nodeValue = width+' x '+height+' (mm)'\n else\n mod.mmtext.nodeValue = width+' x '+height+' x '+depth+' (mm)'\n var width = (mod.width/mod.dpi).toFixed(3)\n var height = (mod.height/mod.dpi).toFixed(3)\n var depth = (mod.depth/mod.dpi).toFixed(3)\n if (mod.depth == undefined)\n mod.intext.nodeValue = width+' x '+height+' (in)'\n else\n mod.intext.nodeValue = width+' x '+height+' x '+depth+' (in)'\n mods.fit(mod.div)\n }\n//\n// show_path\n//\nfunction show_path() {\n var scene = mod.scene\n var camera = mod.camera\n var renderer = mod.renderer\n //\n // check if view window open\n //\n if (mod.win == undefined) {\n open_view_window()\n return\n }\n //\n // check for path\n //\n if (mod.path == undefined)\n return\n //\n // clear scene, leave camera\n //\n var length = scene.children.length\n for (var c = (length-1); c > 1; --c) {\n scene.remove(scene.children[c])\n }\n //\n // fit camera\n //\n mod.thetaxy = 0\n mod.thetaz = 0\n mod.r = mod.height/2\n mod.x0 = mod.width/2\n mod.y0 = mod.height/2\n camera.position.set(mod.x0,mod.y0,mod.r)\n camera.up = new THREE.Vector3(0,1,0)\n camera.lookAt(new THREE.Vector3(mod.x0,mod.y0,0))\n camera.updateProjectionMatrix()\n //\n // draw segments\n //\n var arrow_size = 1+mod.width/200\n var path = mod.path\n for (var segment = 0; segment < path.length; ++segment) {\n if (segment > 0)\n add_arrow(path[segment-1][path[segment-1].length-1],path[segment][0],0xff0000,arrow_size) \n for (var point = 1; point < path[segment].length; ++point) {\n add_arrow(path[segment][point-1],path[segment][point],0x0000ff,arrow_size)\n }\n }\n //\n // add axes\n //\n var length = mod.height/10\n add_arrow([0,0,0],[length,0,0],0xff0000,arrow_size)\n add_arrow([0,0,0],[0,length,0],0x00ff00,arrow_size)\n add_arrow([0,0,0],[0,0,length],0x0000ff,arrow_size)\n //\n // render\n //\n update()\n //\n // add_arrow\n //\n function add_arrow(start,stop,color,size) {\n var origin = new THREE.Vector3().fromArray(start)\n if (mod.depth == undefined)\n origin.z = 0\n var end = new THREE.Vector3().fromArray(stop)\n if (mod.depth == undefined)\n end.z = 0\n var length = new THREE.Vector3().subVectors(end,origin).length()\n if (length <= size) {\n add_line(origin,end,color)\n //length = 1.1*size\n return\n }\n var direction = new THREE.Vector3().subVectors(end,origin).normalize()\n var arrow = new THREE.ArrowHelper(direction,origin,length,color,size,size)\n scene.add(arrow)\n }\n //\n // add_line\n //\n function add_line(start,stop,colorhex) {\n var geometry = new THREE.Geometry()\n geometry.vertices.push(start,stop)\n var material = new THREE.LineBasicMaterial({color:colorhex})\n var line = new THREE.Line(geometry,material)\n scene.add(line)\n }\n //\n // update\n //\n function update() {\n\t renderer.render(scene,camera)\n }\n }\n//\n// open_view_window\n//\nfunction open_view_window() {\n //\n // globals\n //\n var container,scene,camera,renderer,win,controls\n //\n // open the window\n //\n open_window()\n //\n // open_window\n //\n function open_window() {\n //\n // open window\n //\n win = window.open('')\n mod.win = win\n //\n // load three.js\n //\n var script = document.createElement('script')\n script.type = 'text/javascript'\n script.onload = init_window\n script.src = 'js/three.js/three.min.js'\n mod.div.appendChild(script)\n }\n //\n // init_window\n //\n function init_window() {\n //\n // close button\n //\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n mod.win = undefined\n })\n win.document.body.appendChild(btn)\n //\n // label text\n //\n var text = win.document.createTextNode(' left: pan, right: rotate, scroll: zoom')\n win.document.body.appendChild(text)\n //\n // GL container\n //\n win.document.body.appendChild(document.createElement('br')) \n container = win.document.createElement('div')\n container.style.overflow = 'hidden'\n win.document.body.appendChild(container)\n //\n // event handlers\n //\n container.addEventListener('contextmenu',context_menu)\n container.addEventListener('mousedown',mouse_down)\n container.addEventListener('mouseup',mouse_up)\n container.addEventListener('mousemove',mouse_move)\n container.addEventListener('wheel',mouse_wheel)\n //\n // add scene\n //\n\t scene = new THREE.Scene()\n\t mod.scene = scene\n\t var width = win.innerWidth\n\t var height = win.innerHeight\n\t var aspect = width/height\n\t var near = 0.1\n\t var far = 1000000\n\t camera = new THREE.PerspectiveCamera(90,aspect,near,far)\n\t mod.camera = camera\n\t scene.add(camera)\n\t //\n\t // add renderer\n\t //\n renderer = new THREE.WebGLRenderer({antialias:true})\n mod.renderer = renderer\n renderer.setClearColor(0xffffff)\n\t renderer.setSize(width,height)\n\t container.appendChild(renderer.domElement)\n //\n // show the path if available\n //\n show_path()\n }\n //\n // context_menu\n //\n function context_menu(evt) {\n evt.preventDefault()\n evt.stopPropagation()\n return (false)\n }\n //\n // mouse_down\n //\n function mouse_down(evt) {\n evt.preventDefault()\n evt.stopPropagation()\n mod.button = evt.button\n mod.x = evt.clientX\n mod.y = evt.clientY\n }\n //\n // mouse_up\n //\n function mouse_up(evt) {\n mod.button = undefined\n mod.x = evt.clientX\n mod.y = evt.clientY\n }\n //\n // mouse_move\n //\n function mouse_move(evt) {\n evt.preventDefault()\n evt.stopPropagation()\n var dx = evt.clientX-mod.x\n var dy = evt.clientY-mod.y\n mod.x = evt.clientX\n mod.y = evt.clientY\n if (mod.button == 0) {\n mod.x0 += \n Math.sin(mod.thetaz)*mod.height*dy/win.innerHeight\n -Math.cos(mod.thetaz)*mod.width*dx/win.innerWidth\n mod.y0 += \n Math.cos(mod.thetaz)*mod.height*dy/win.innerHeight\n +Math.sin(mod.thetaz)*mod.width*dx/win.innerWidth\n camera.position.x = mod.x0+Math.sin(mod.thetaz)*mod.r*Math.sin(mod.thetaxy)\n camera.position.y = mod.y0+Math.cos(mod.thetaz)*mod.r*Math.sin(mod.thetaxy)\n camera.position.z = mod.r*Math.cos(mod.thetaxy)\n camera.position.z = mod.r*Math.cos(mod.thetaxy)\n\t camera.up = new THREE.Vector3(Math.sin(mod.thetaz),Math.cos(mod.thetaz),0)\n\t camera.lookAt(new THREE.Vector3(mod.x0,mod.y0,0))\n camera.updateProjectionMatrix()\n\t renderer.render(scene,camera)\n\t }\n else if (mod.button == 2) {\n mod.thetaxy += dy/win.innerHeight\n mod.thetaz += dx/win.innerWidth\n camera.position.x = mod.x0+Math.sin(mod.thetaz)*mod.r*Math.sin(mod.thetaxy)\n camera.position.y = mod.y0+Math.cos(mod.thetaz)*mod.r*Math.sin(mod.thetaxy)\n camera.position.z = mod.r*Math.cos(mod.thetaxy)\n\t camera.up = new THREE.Vector3(Math.sin(mod.thetaz),Math.cos(mod.thetaz),0)\n\t camera.lookAt(new THREE.Vector3(mod.x0,mod.y0,0))\n camera.updateProjectionMatrix()\n\t renderer.render(scene,camera)\n\t }\n }\n //\n // mouse_wheel\n //\n function mouse_wheel(evt) {\n evt.preventDefault()\n evt.stopPropagation()\n var dy = evt.deltaY/win.innerHeight\n mod.r += mod.height*dy\n camera.position.x = mod.x0+Math.sin(mod.thetaz)*mod.r*Math.sin(mod.thetaxy)\n camera.position.y = mod.y0+Math.cos(mod.thetaz)*mod.r*Math.sin(mod.thetaxy)\n camera.position.z = mod.r*Math.cos(mod.thetaxy)\n\t camera.lookAt(new THREE.Vector3(mod.x0,mod.y0,0))\n camera.updateProjectionMatrix()\n\t renderer.render(scene,camera)\n }\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"817","left":"752","inputs":{},"outputs":{}},"0.11412947254979766":{"definition":"//\n// string variables\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2016\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the mods\n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {\n 'sw_array':[{\"partName\":\"rwanda-stool.SLDPRT\",\"unit\":\"meter\",\"thickness\":0.01905,\"count\":1,\"svgArray\":[\"<svg xmlns=\\\"http://www.w3.org/2000/svg\\\" xmlns:xlink=\\\"http://www.w3.org/1999/xlink\\\" width=\\\"1127.67015523439\\\" height=\\\"989.826899907394\\\" viewBox=\\\"0 0 0.281917538808599 0.247456724976849\\\" style=\\\"background:black\\\"><path d=\\\" M 0.280917538808598,0.0359877248472174 A 0.35,0.35 0 0,0 0.161236292032361,0.243281724976848 L 0.155737030718329,0.246456724976848 L 0.150237769404297,0.246456724976848 L 0.150237769404298,0.182920175324464 L 0.149983769404299,0.182920175324464 L 0.149983769404299,0.118489816608022 L 0.130933769404299,0.118489816608022 L 0.130933769404299,0.182920175324464 L 0.130679769404298,0.182920175324464 L 0.130679769404297,0.246456724976849 L 0.125180508090266,0.246456724976849 L 0.119681246776236,0.243281724976848 A 0.35,0.35 0 0,0 0,0.0359877248472167 L 2.22044604925031E-16,0.0296377248472162 L 0.00274963065701597,0.024875224847216 L 0.0577738967247917,0.0566434996734087 L 0.0675528967247919,0.0397057748261927 L 0.012528630657016,0.00793749999999993 L 0.0152782613140317,0.0031749999999999 L 0.0207775226280628,0 A 0.35,0.35 0 0,0 0.260140016180536,2.5951463200613E-15 L 0.265639277494567,0.00317500000000245 L 0.268388908151583,0.00793750000000276 L 0.213364642083807,0.0397057748261942 L 0.223143642083807,0.0566434996734103 L 0.278167908151583,0.0248752248472187 L 0.280917538808599,0.0296377248472181 L 0.280917538808598,0.0359877248472174\\\" style=\\\"fill:#ffffff;fill-rule:evenodd;\\\" transform=\\\"translate(0.281417538808599 0.0005), scale(-1, 1)\\\" /></svg>\", \"<svg xmlns=\\\"http://www.w3.org/2000/svg\\\" xmlns:xlink=\\\"http://www.w3.org/1999/xlink\\\" width=\\\"1324.8\\\" height=\\\"1324.8\\\" viewBox=\\\"0 0 0.3312 0.3312\\\" style=\\\"background:black\\\"><path d=\\\" M 0.208704299650783,0.151216862423607 L 0.198925299650783,0.134279137576391 L 0.181987574803567,0.14405813757639 L 0.191766574803567,0.160995862423607 L 0.208704299650783,0.151216862423607 M 0.257757710571941,0.122895862423607 L 0.274695435419157,0.113116862423607 L 0.264916435419157,0.0961791375763911 L 0.247978710571941,0.105958137576391 L 0.257757710571941,0.122895862423607 M 0.23192086753497,0.115229137576391 L 0.214983142687754,0.125008137576391 L 0.224762142687754,0.141945862423607 L 0.24169986753497,0.132166862423607 L 0.23192086753497,0.115229137576391 M 0.0822212894280657,0.10595813757639 L 0.0652835645808497,0.0961791375763897 L 0.0555045645808495,0.113116862423606 L 0.0724422894280656,0.122895862423606 L 0.0822212894280657,0.10595813757639 M 0.115216857312253,0.12500813757639 L 0.0982791324650367,0.11522913757639 L 0.0885001324650366,0.132166862423606 L 0.105437857312253,0.141945862423606 L 0.115216857312253,0.12500813757639 M 0.14821242519644,0.14405813757639 L 0.131274700349224,0.13427913757639 L 0.121495700349224,0.151216862423606 L 0.13843342519644,0.160995862423606 L 0.14821242519644,0.14405813757639 M 0.155321000000003,0.190245999999998 L 0.155321000000003,0.209803999999998 L 0.174879000000003,0.209803999999998 L 0.174879000000003,0.190245999999998 L 0.155321000000003,0.190245999999998 M 0.155321000000003,0.228345999999998 L 0.155321000000003,0.247903999999998 L 0.174879000000003,0.247903999999998 L 0.174879000000003,0.228345999999998 L 0.155321000000003,0.228345999999998 M 0.155321000000003,0.266445999999998 L 0.155321000000003,0.286003999999998 L 0.174879000000003,0.286003999999998 L 0.174879000000003,0.266445999999998 L 0.155321000000003,0.266445999999998 M 0.3302,0.1651 A 0.1651,0.1651 0 1,1 0,0.1651 A 0.1651,0.1651 0 1,1 0.3302,0.1651\\\" style=\\\"fill:#ffffff;fill-rule:evenodd;\\\" transform=\\\"translate(0.3307 0.0005), scale(-1, 1)\\\" /></svg>\", \"<svg xmlns=\\\"http://www.w3.org/2000/svg\\\" xmlns:xlink=\\\"http://www.w3.org/1999/xlink\\\" width=\\\"1098.95817229398\\\" height=\\\"952.261593287967\\\" viewBox=\\\"0 0 0.274739543073496 0.238065398321992\\\" style=\\\"background:black\\\"><path d=\\\" M 0.273739543073496,0.220134601678009 L 0.263964543073497,0.237065398321992 A 0.45,0.45 0 0,0 0.00977499999999865,0.237065398321992 L 0,0.220134601678008 A 0.45,0.45 0 0,0 0.127094771536749,2.77555756156289E-17 L 0.146644771536747,0 A 0.45,0.45 0 0,0 0.273739543073496,0.220134601678009 M 0.197751436852561,0.198841862423608 L 0.220188423013809,0.211795862423607 L 0.229967423013809,0.194858137576391 L 0.207530436852561,0.181904137576391 L 0.197751436852561,0.198841862423608 M 0.127090771536748,0.0505460000000001 L 0.127090771536748,0.0764540000000001 L 0.146648771536748,0.0764540000000001 L 0.146648771536748,0.0505460000000001 L 0.127090771536748,0.0505460000000001 M 0.127090771536748,0.101346 L 0.127090771536748,0.127254 L 0.146648771536748,0.127254 L 0.146648771536748,0.101346 L 0.127090771536748,0.101346 M 0.0535511200596879,0.211795862423609 L 0.0759881062209351,0.198841862423608 L 0.0662091062209351,0.181904137576392 L 0.0437721200596878,0.194858137576393 L 0.0535511200596879,0.211795862423609 M 0.0975452105719373,0.186395862423608 L 0.119982196733185,0.173441862423608 L 0.110203196733184,0.156504137576392 L 0.0877662105719372,0.169458137576392 L 0.0975452105719373,0.186395862423608 M 0.185973332501559,0.169458137576392 L 0.163536346340311,0.156504137576392 L 0.153757346340312,0.173441862423608 L 0.176194332501559,0.186395862423608 L 0.185973332501559,0.169458137576392\\\" style=\\\"fill:#ffffff;fill-rule:evenodd;\\\" transform=\\\"translate(0.274239543073496 0.0005), scale(-1, 1)\\\" /></svg>\", \"<svg xmlns=\\\"http://www.w3.org/2000/svg\\\" xmlns:xlink=\\\"http://www.w3.org/1999/xlink\\\" width=\\\"715.2\\\" height=\\\"2442.4\\\" viewBox=\\\"0 0 0.1788 0.6106\\\" style=\\\"background:black\\\"><path d=\\\" M 0.0644303587164418,0.3302 L 0,0.3302 L 3.81639164714898E-17,0.01905 L 0.0254,0.01905 L 0.0254,0.038354 L 0.0508,0.038354 L 0.0508,0.01905 L 0.0762,0.01905 L 0.0762,0.038354 L 0.127,0.038354 L 0.127,0 L 0.17145,0 A 0.00635,0.00635 0 0,1 0.1778,0.00635 L 0.1778,0.038354 A 4,4 0 0,0 0.10795,0.590296000000001 L 0.0952500000000001,0.590296 L 0.09525,0.6096 L 0.0762,0.6096 L 0.0762,0.590296 L 0.05715,0.590296 L 0.05715,0.6096 L 0.0381,0.6096 L 0.0381,0.590296 L 0.01905,0.590296 L 0.01905,0.6096 L 0,0.6096 L 0,0.34925 L 0.0644303587164418,0.34925 L 0.0644303587164418,0.3302 M 0.0381,0.545846 A 0.00634999999999998,0.00634999999999998 0 0,0 0.0444500000000001,0.552196 L 0.066152723772689,0.552196 A 0.00635000000000026,0.00635000000000026 0 0,0 0.0724886137147865,0.546269082310705 A 4.0381,4.0381 0 0,1 0.0855169733792192,0.394361959562247 A 0.00635000000000038,0.00635000000000038 0 0,0 0.0792015708158069,0.38735 L 0.0444500000000001,0.38735 A 0.00635000000000001,0.00635000000000001 0 0,0 0.0381,0.3937 L 0.0381,0.545846 M 0.0381,0.0828040000000001 L 0.0381,0.28575 A 0.00635000000000002,0.00635000000000002 0 0,0 0.0444500000000001,0.2921 L 0.0919853797681748,0.2921 A 0.00634999999999996,0.00634999999999996 0 0,0 0.0982807110766947,0.286581446760754 A 4.0381,4.0381 0 0,1 0.130298417149589,0.0839540826939461 A 0.00635000000000012,0.00635000000000012 0 0,0 0.12405343437963,0.076454 L 0.0444500000000001,0.076454 A 0.00634999999999999,0.00634999999999999 0 0,0 0.0381,0.0828040000000001\\\" style=\\\"fill:#ffffff;fill-rule:evenodd;\\\" transform=\\\"translate(0.1783 0.0005), scale(-1, 1)\\\" /></svg>\", \"<svg xmlns=\\\"http://www.w3.org/2000/svg\\\" xmlns:xlink=\\\"http://www.w3.org/1999/xlink\\\" width=\\\"715.2\\\" height=\\\"2442.4\\\" viewBox=\\\"0 0 0.1788 0.6106\\\" style=\\\"background:black\\\"><path d=\\\" M 0.0644303587164418,0.3302 L 0,0.3302 L 3.81639164714898E-17,0.01905 L 0.0254,0.01905 L 0.0254,0.038354 L 0.0508,0.038354 L 0.0508,0.01905 L 0.0762000000000001,0.01905 L 0.0762000000000001,0.038354 L 0.127,0.038354 L 0.127,0 L 0.17145,0 A 0.00635,0.00635 0 0,1 0.1778,0.00635 L 0.1778,0.038354 A 4,4 0 0,0 0.10795,0.590296000000001 L 0.0952500000000001,0.590296 L 0.09525,0.6096 L 0.0762,0.6096 L 0.0762,0.590296 L 0.05715,0.590296 L 0.05715,0.6096 L 0.0381,0.6096 L 0.0381,0.590296 L 0.01905,0.590296 L 0.01905,0.6096 L 0,0.6096 L 0,0.34925 L 0.0644303587164418,0.34925 L 0.0644303587164418,0.3302 M 0.0381,0.545846 A 0.00634999999999998,0.00634999999999998 0 0,0 0.0444500000000001,0.552196 L 0.066152723772689,0.552196 A 0.00635000000000026,0.00635000000000026 0 0,0 0.0724886137147865,0.546269082310705 A 4.0381,4.0381 0 0,1 0.0855169733792192,0.394361959562247 A 0.00635000000000038,0.00635000000000038 0 0,0 0.0792015708158069,0.38735 L 0.0444500000000001,0.38735 A 0.00635000000000001,0.00635000000000001 0 0,0 0.0381,0.3937 L 0.0381,0.545846 M 0.0381,0.0828040000000001 L 0.0381,0.28575 A 0.00635000000000002,0.00635000000000002 0 0,0 0.0444500000000001,0.2921 L 0.0919853797681748,0.2921 A 0.00634999999999996,0.00634999999999996 0 0,0 0.0982807110766947,0.286581446760754 A 4.0381,4.0381 0 0,1 0.130298417149589,0.0839540826939461 A 0.00635000000000012,0.00635000000000012 0 0,0 0.12405343437963,0.076454 L 0.0444500000000001,0.076454 A 0.00634999999999999,0.00634999999999999 0 0,0 0.0381,0.0828040000000001\\\" style=\\\"fill:#ffffff;fill-rule:evenodd;\\\" transform=\\\"translate(0.1783 0.0005), scale(-1, 1)\\\" /></svg>\", \"<svg xmlns=\\\"http://www.w3.org/2000/svg\\\" xmlns:xlink=\\\"http://www.w3.org/1999/xlink\\\" width=\\\"715.2\\\" height=\\\"2442.4\\\" viewBox=\\\"0 0 0.1788 0.6106\\\" style=\\\"background:black\\\"><path d=\\\" M 0.113369641283558,0.2794 L 0.1778,0.2794 L 0.1778,0.59055 L 0.1524,0.59055 L 0.1524,0.571246 L 0.127,0.571246 L 0.127,0.59055 L 0.1016,0.59055 L 0.1016,0.571246 L 0.0508,0.571246 L 0.0508,0.6096 L 0.00635000000000002,0.6096 A 0.00635,0.00635 0 0,1 0,0.60325 L 0,0.571246 A 4,4 0 0,0 0.0698499999999999,0.0193039999999987 L 0.08255,0.019304 L 0.0825500000000001,1.11022302462516E-16 L 0.1016,0 L 0.1016,0.019304 L 0.12065,0.0193039999999999 L 0.12065,1.11022302462516E-16 L 0.1397,1.11022302462516E-16 L 0.1397,0.0193039999999999 L 0.15875,0.019304 L 0.15875,0 L 0.1778,1.11022302462516E-16 L 0.1778,0.26035 L 0.113369641283558,0.26035 L 0.113369641283558,0.2794 M 0.1397,0.0637540000000001 A 0.00634999999999998,0.00634999999999998 0 0,0 0.13335,0.057404 L 0.111647276227311,0.0574039999999997 A 0.00635000000000026,0.00635000000000026 0 0,0 0.105311386285214,0.0633309176892949 A 4.0381,4.0381 0 0,1 0.0922830266207809,0.215238040437753 A 0.00635000000000038,0.00635000000000038 0 0,0 0.0985984291841932,0.22225 L 0.13335,0.22225 A 0.00635000000000001,0.00635000000000001 0 0,0 0.1397,0.2159 L 0.1397,0.0637540000000001 M 0.1397,0.526796 L 0.1397,0.32385 A 0.00635000000000002,0.00635000000000002 0 0,0 0.13335,0.3175 L 0.0858146202318253,0.3175 A 0.00634999999999996,0.00634999999999996 0 0,0 0.0795192889233054,0.323018553239246 A 4.0381,4.0381 0 0,1 0.047501582850411,0.525645917306054 A 0.00635000000000012,0.00635000000000012 0 0,0 0.0537465656203701,0.533146 L 0.13335,0.533146 A 0.00634999999999999,0.00634999999999999 0 0,0 0.1397,0.526796\\\" style=\\\"fill:#ffffff;fill-rule:evenodd;\\\" transform=\\\"translate(0.1783 0.0005), scale(-1, 1)\\\" /></svg>\"]}]\n}\n//\n// name\n//\nvar name = 'sw output'\n//\n// initialization\n//\nvar init = function() { }\n//\n// inputs\n//\nvar inputs = {\n }\n//\n// outputs\n//\nvar outputs = {\n sw_array:{type:'object',\n event:function(){\n mods.output(mod,'sw_array',mod.sw_array )}}\n }\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n\n var btn = document.createElement('button');\n btn.style.padding = mods.ui.padding;\n btn.style.margin = 1;\n btn.appendChild(document.createTextNode('send'));\n btn.addEventListener('click',function(){\n outputs.sw_array.event();\n });\n div.appendChild(btn);\n\n div.appendChild(document.createElement('br'))\n }\n//\n// local functions\n//\n;\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"529","left":"13","inputs":{},"outputs":{}},"0.23780413326993044":{"definition":"//\n// distance transform \n// assumes thresholded image, with zero intensity exterior\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2015,6\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the mods\n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'distance transform'\n//\n// initialization\n//\nvar init = function() {\n }\n//\n// inputs\n//\nvar inputs = {\n image:{type:'RGBA',\n event:function(evt){\n mod.input = evt.detail\n var ctx = mod.img.getContext(\"2d\")\n ctx.canvas.width = mod.input.width\n ctx.canvas.height = mod.input.height \n ctx.putImageData(mod.input,0,0)\n distance_transform()}}}\n//\n// outputs\n//\nvar outputs = {\n distances:{type:'F32',\n event:function(){\n mod.distances.height = mod.input.height\n mod.distances.width = mod.input.width\n mods.output(mod,'distances',mod.distances)}}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // on-screen drawing canvas\n //\n var canvas = document.createElement('canvas')\n canvas.width = mods.ui.canvas\n canvas.height = mods.ui.canvas\n canvas.style.backgroundColor = 'rgb(255,255,255)'\n div.appendChild(canvas)\n mod.canvas = canvas\n div.appendChild(document.createElement('br'))\n //\n // off-screen image canvas\n //\n var canvas = document.createElement('canvas')\n mod.img = canvas\n //\n // view button\n //\n div.appendChild(document.createElement('br'))\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('view'))\n btn.addEventListener('click',function(){\n var win = window.open('')\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n })\n win.document.body.appendChild(btn)\n win.document.body.appendChild(document.createElement('br'))\n var canvas = document.createElement('canvas')\n canvas.width = mod.img.width\n canvas.height = mod.img.height\n win.document.body.appendChild(canvas)\n var ctx = canvas.getContext(\"2d\")\n ctx.drawImage(mod.img,0,0)\n })\n div.appendChild(btn)\n }\n//\n// local functions\n//\n// distance transform function\n//\nfunction distance_transform() {\n var blob = new Blob(['('+worker.toString()+'())'])\n var url = window.URL.createObjectURL(blob)\n var webworker = new Worker(url)\n webworker.addEventListener('message',function(evt) {\n window.URL.revokeObjectURL(url)\n var h = mod.img.height\n var w = mod.img.width\n mod.distances = new Float32Array(evt.data.buffer)\n var imgbuf = new Uint8ClampedArray(h*w*4)\n var dmax = -Number.MAX_VALUE\n for (var y = 0; y < h; ++y) {\n for (var x = 0; x < w; ++x) {\n if (mod.distances[(h-1-y)*w+x] > dmax)\n dmax = mod.distances[(h-1-y)*w+x]\n }\n }\n var i\n for (var y = 0; y < h; ++y) {\n for (var x = 0; x < w; ++x) {\n i = 255*mod.distances[(h-1-y)*w+x]/dmax\n imgbuf[(h-1-y)*w*4+x*4+0] = i\n imgbuf[(h-1-y)*w*4+x*4+1] = i\n imgbuf[(h-1-y)*w*4+x*4+2] = i\n imgbuf[(h-1-y)*w*4+x*4+3] = 255\n }\n }\n var imgdata = new ImageData(imgbuf,w,h)\n var ctx = mod.img.getContext(\"2d\")\n ctx.putImageData(imgdata,0,0)\n if (w > h) {\n var x0 = 0\n var y0 = mod.canvas.height*.5*(1-h/w)\n var wd = mod.canvas.width\n var hd = mod.canvas.width*h/w\n }\n else {\n var x0 = mod.canvas.width*.5*(1-w/h)\n var y0 = 0\n var wd = mod.canvas.height*w/h\n var hd = mod.canvas.height\n }\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n ctx.drawImage(mod.img,x0,y0,wd,hd)\n webworker.terminate()\n outputs.distances.event()\n })\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n var ctx = mod.img.getContext(\"2d\")\n ctx.putImageData(mod.input,0,0)\n var img = ctx.getImageData(0,0,mod.img.width,mod.img.height)\n webworker.postMessage({\n height:mod.input.height,width:mod.input.width,\n buffer:img.data.buffer},\n [img.data.buffer])\n }\n//\n// distance transform worker\n//\nfunction worker() {\n self.addEventListener('message',function(evt) {\n var ny = evt.data.height\n var nx = evt.data.width\n var input = new Uint8ClampedArray(evt.data.buffer)\n var output = new Float32Array(nx*ny)\n function distance(g,x,y,i) {\n return ((y-i)*(y-i)+g[i][x]*g[i][x])\n }\n function intersection(g,x,y0,y1) {\n return ((g[y0][x]*g[y0][x]-g[y1][x]*g[y1][x]+y0*y0-y1*y1)/(2.0*(y0-y1)))\n }\n //\n // allocate arrays\n //\n var g = []\n for (var y = 0; y < ny; ++y)\n g[y] = new Uint32Array(nx)\n var h = []\n for (var y = 0; y < ny; ++y)\n h[y] = new Uint32Array(nx)\n var distances = []\n for (var y = 0; y < ny; ++y)\n distances[y] = new Uint32Array(nx)\n var starts = new Uint32Array(ny)\n var minimums = new Uint32Array(ny)\n var d\n //\n // column scan\n // \n for (var y = 0; y < ny; ++y) {\n //\n // right pass\n //\n var closest = -nx\n for (var x = 0; x < nx; ++x) {\n if (input[(ny-1-y)*nx*4+x*4+0] != 0) {\n g[y][x] = 0\n closest = x\n }\n else\n g[y][x] = (x-closest)\n }\n //\n // left pass\n //\n closest = 2*nx\n for (var x = (nx-1); x >= 0; --x) {\n if (input[(ny-1-y)*nx*4+x*4+0] != 0)\n closest = x\n else {\n d = (closest-x)\n if (d < g[y][x])\n g[y][x] = d\n }\n }\n }\n //\n // row scan\n //\n for (var x = 0; x < nx; ++x) {\n var segment = 0\n starts[0] = 0\n minimums[0] = 0\n //\n // down \n //\n for (var y = 1; y < ny; ++y) {\n while ((segment >= 0) &&\n (distance(g,x,starts[segment],minimums[segment]) > distance(g,x,starts[segment],y)))\n segment -= 1\n if (segment < 0) {\n segment = 0\n minimums[0] = y\n }\n else {\n newstart = 1+intersection(g,x,minimums[segment],y)\n if (newstart < ny) {\n segment += 1\n minimums[segment] = y\n starts[segment] = newstart\n }\n }\n }\n //\n // up \n //\n for (var y = (ny-1); y >= 0; --y) {\n d = Math.sqrt(distance(g,x,y,minimums[segment]))\n output[(ny-1-y)*nx+x] = d\n if (y == starts[segment])\n segment -= 1\n }\n }\n self.postMessage({buffer:output.buffer},[output.buffer])\n })\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"32","left":"2912","inputs":{},"outputs":{}},"0.2954389329139533":{"definition":"//\n// SWGetModelSVGs module\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2016\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the mods\n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'SWGetModelSVGs'\n//\n// initialization\n//\nvar init = function() {\n mod.address.value = '127.0.0.1'\n mod.port.value = 8787\n mod.socket = 0\n mod.bgColor.value = 'black'\n mod.thickness.value = 0.75\n socket_open()\n }\n//\n// inputs\n//\nvar inputs = {\n send:{type:'object',\n event:function(evt){\n socket_send(evt.detail)\n }}}\n//\n// outputs\n//\nvar outputs = {\n receive:{type:'object',\n event:function(data){\n mods.output(mod,'receive',JSON.parse(data))}}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n div.appendChild(document.createTextNode('server:'))\n div.appendChild(document.createElement('br'))\n div.appendChild(document.createTextNode('address: '))\n input = document.createElement('input')\n input.type = 'text'\n input.size = 10\n div.appendChild(input)\n mod.address = input\n div.appendChild(document.createElement('br'))\n div.appendChild(document.createTextNode('\\u00a0\\u00a0\\u00a0\\u00a0\\u00a0port: '))\n input = document.createElement('input')\n input.type = 'text'\n input.size = 10\n div.appendChild(input)\n mod.port = input\n div.appendChild(document.createElement('br'))\n div.appendChild(document.createTextNode('\\u00a0\\u00a0status: '))\n input = document.createElement('input')\n input.type = 'text'\n input.size = 10\n div.appendChild(input)\n mod.status = input\n div.appendChild(document.createElement('br'))\n var btn = document.createElement('button')\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('open'))\n btn.addEventListener('click',function() {\n socket_open()\n })\n div.appendChild(btn)\n var btn = document.createElement('button')\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('close'))\n btn.addEventListener('click',function() {\n socket_close()\n })\n div.appendChild(btn)\n div.appendChild(document.createElement('br'))\n div.appendChild(document.createTextNode('SVG settings:'))\n div.appendChild(document.createElement('br'))\n div.appendChild(document.createTextNode('bgColor: '))\n input = document.createElement('input')\n input.type = 'text'\n input.size = 10\n div.appendChild(input)\n mod.bgColor = input\n div.appendChild(document.createElement('br'))\n div.appendChild(document.createTextNode('thickness: '))\n input = document.createElement('input')\n input.type = 'text'\n input.size = 10\n div.appendChild(input)\n mod.thickness = input\n div.appendChild(document.createTextNode('(inch)'))\n div.appendChild(document.createElement('br'))\n var btn = document.createElement('button')\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('Extract SVGs'))\n btn.addEventListener('click',function() {\n extract_SVGs()\n })\n div.appendChild(btn)\n }\n//\n// local functions\n//\nfunction socket_open() {\n var url = \"ws://\"+mod.address.value+':'+mod.port.value\n mod.socket = new WebSocket(url)\n mod.socket.onopen = function(event) {\n mod.status.value = \"opened\"\n socket_send('{modCmd:\"SetBackgroundColor\", backgroundColor:\"' + mod.bgColor.value + '\"}')\n }\n mod.socket.onerror = function(event) {\n mod.status.value = \"can not open\"\n }\n mod.socket.onmessage = function(event) {\n mod.status.value = \"receive\"\n outputs.receive.event(event.data)\n }\n }\nfunction socket_close() {\n mod.socket.close()\n mod.status.value = \"closed\"\n mod.socket = 0\n }\nfunction socket_send(msg) {\n if (mod.socket != 0) {\n mod.status.value = \"send\"\n mod.socket.send(msg)\n }\n else {\n mod.status.value = \"can't send, not open\"\n }\n }\nfunction extract_SVGs() {\n var modcmd = new Object;\n modcmd.modCmd = \"AutoExtractFaces\";\n modcmd.thickness = Number(mod.thickness.value * 25.4 / 1000); // inch to meter\n socket_send(JSON.stringify(modcmd))\n }\n\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"140","left":"183","inputs":{},"outputs":{}},"0.5857417886002868":{"definition":"//\n// convert SVG image\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2016\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the mods\n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'convert SVG image'\n//\n// initialization\n//\nvar init = function() {\n mod.dpi.value = 100\n }\n//\n// inputs\n//\nvar inputs = {\n SVG:{type:'string',\n event:function(evt){\n mod.svg = evt.detail\n get_size()\n draw_image()}}}\n//\n// outputs\n//\nvar outputs = {\n image:{type:'RGBA',\n event:function(){\n var ctx = mod.img.getContext(\"2d\")\n var img = ctx.getImageData(0,0,mod.img.width,mod.img.height)\n mods.output(mod,'image',img)}},\n imageInfo:{type:'object',\n event:function(){\n var obj = {}\n obj.name = \"SVG image\"\n obj.dpi = parseFloat(mod.dpi.value)\n obj.width = mod.img.width\n obj.height = mod.img.height\n mods.output(mod,'imageInfo',obj)}}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // on-screen drawing canvas\n //\n var canvas = document.createElement('canvas')\n canvas.width = mods.ui.canvas\n canvas.height = mods.ui.canvas\n canvas.style.backgroundColor = 'rgb(255,255,255)'\n div.appendChild(canvas)\n mod.canvas = canvas\n div.appendChild(document.createElement('br'))\n //\n // off-screen image canvas\n //\n var canvas = document.createElement('canvas')\n mod.img = canvas\n //\n // view button\n //\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('view'))\n btn.addEventListener('click',function(){\n var win = window.open('')\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n })\n win.document.body.appendChild(btn)\n win.document.body.appendChild(document.createElement('br'))\n var canvas = document.createElement('canvas')\n canvas.width = mod.img.width\n canvas.height = mod.img.height\n win.document.body.appendChild(canvas)\n var ctx = canvas.getContext(\"2d\")\n ctx.drawImage(mod.img,0,0)\n })\n div.appendChild(btn)\n //\n // dpi\n //\n div.appendChild(document.createElement('br'))\n div.appendChild(document.createTextNode('dpi: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('change',function(){\n draw_image()\n })\n div.appendChild(input)\n mod.dpi = input\n div.appendChild(document.createTextNode(' (enter)'))\n //\n // units\n //\n div.appendChild(document.createElement('br'))\n div.appendChild(document.createTextNode('units: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('change',function(){\n draw_image()\n })\n div.appendChild(input)\n mod.unitstext = input\n div.appendChild(document.createTextNode(' (enter)'))\n //\n // size\n //\n div.appendChild(document.createElement('br'))\n var text = document.createTextNode('image size:')\n div.appendChild(text)\n div.appendChild(document.createElement('br'))\n var text = document.createTextNode('(pixels)')\n div.appendChild(text)\n mod.pixels = text\n div.appendChild(document.createElement('br'))\n var text = document.createTextNode('(inches)')\n div.appendChild(text)\n mod.inches = text\n div.appendChild(document.createElement('br'))\n var text = document.createTextNode('(mm)')\n div.appendChild(text)\n mod.mm = text\n }\n//\n// local functions\n//\n// get size\n//\nfunction get_size() {\n var i = mod.svg.indexOf(\"width\")\n if (i == -1) {\n var width = 1\n var height = 1\n var units = 90\n }\n else {\n var i1 = mod.svg.indexOf(\"\\\"\",i+1)\n var i2 = mod.svg.indexOf(\"\\\"\",i1+1)\n var width = mod.svg.substring(i1+1,i2)\n i = mod.svg.indexOf(\"height\")\n i1 = mod.svg.indexOf(\"\\\"\",i+1)\n i2 = mod.svg.indexOf(\"\\\"\",i1+1)\n var height = mod.svg.substring(i1+1,i2)\n ih = mod.svg.indexOf(\"height\")\n if (width.indexOf(\"px\") != -1) {\n width = width.slice(0,-2)\n height = height.slice(0,-2)\n var units = 90\n }\n else if (width.indexOf(\"mm\") != -1) {\n width = width.slice(0,-2)\n height = height.slice(0,-2)\n var units = 25.4\n }\n else if (width.indexOf(\"cm\") != -1) {\n width = width.slice(0,-2)\n height = height.slice(0,-2)\n var units = 2.54\n }\n else if (width.indexOf(\"in\") != -1) {\n width = width.slice(0,-2)\n height = height.slice(0,-2)\n var units = 1\n }\n else {\n var units = 90\n }\n }\n mod.width = parseFloat(width)\n mod.height = parseFloat(height)\n mod.units = units\n mod.unitstext.value = units\n }\n//\n// draw image\n//\nfunction draw_image() {\n var dpi = parseFloat(mod.dpi.value)\n var units = parseFloat(mod.unitstext.value)\n var width = parseInt(dpi*mod.width/units)\n var height = parseInt(dpi*mod.height/units)\n mod.pixels.nodeValue = width+' x '+height+\" (pixels)\"\n mod.inches.nodeValue = (width/dpi).toFixed(3)+' x '+(height/dpi).toFixed(3)+\" (inches)\"\n mod.mm.nodeValue = (25.4*width/dpi).toFixed(3)+' x '+(25.4*height/dpi).toFixed(3)+\" (mm)\"\n var src = \"data:image/svg+xml;base64,\"+window.btoa(mod.svg)\n var img = new Image()\n img.setAttribute(\"src\",src)\n img.onload = function() {\n if (width > height) {\n var x0 = 0\n var y0 = mod.canvas.height*.5*(1-height/width)\n var w = mod.canvas.width\n var h = mod.canvas.width*height/width\n }\n else {\n var x0 = mod.canvas.width*.5*(1-width/height)\n var y0 = 0\n var w = mod.canvas.height*width/height\n var h = mod.canvas.height\n }\n mod.img.width = width\n mod.img.height = height\n var ctx = mod.img.getContext(\"2d\")\n ctx.clearRect(0,0,width,height)\n ctx.drawImage(img,0,0,width,height)\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n ctx.drawImage(mod.img,x0,y0,w,h)\n outputs.image.event()\n outputs.imageInfo.event()\n }\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"64","left":"701","inputs":{},"outputs":{}},"0.749132408760488":{"definition":"//\n// vectorize\n// input is red 128:north,64:south, green 128:east,64:west, blue 128:start,64:stop\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2016\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the fab modules \n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'vectorize'\n//\n// initialization\n//\nvar init = function() {\n mod.error.value = 1\n mod.sort.checked = false\n }\n//\n// inputs\n//\nvar inputs = {\n image:{type:'RGBA',\n event:function(evt){\n mod.input = evt.detail\n var ctx = mod.img.getContext(\"2d\")\n ctx.canvas.width = mod.input.width\n ctx.canvas.height = mod.input.height \n ctx.putImageData(mod.input,0,0)\n vectorize()\n }}}\n//\n// outputs\n//\nvar outputs = {\n path:{type:'array',\n event:function(){\n mods.output(mod,'path',mod.path)\n }}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // on-screen SVG\n //\n var svgNS = \"http://www.w3.org/2000/svg\"\n var svg = document.createElementNS(svgNS,\"svg\")\n svg.setAttribute('id',mod.div.id+'svg')\n svg.setAttributeNS(\"http://www.w3.org/2000/xmlns/\",\n \"xmlns:xlink\",\"http://www.w3.org/1999/xlink\")\n svg.setAttribute('width',mods.ui.canvas)\n svg.setAttribute('height',mods.ui.canvas)\n svg.style.backgroundColor = 'rgb(255,255,255)'\n var g = document.createElementNS(svgNS,'g')\n g.setAttribute('id',mod.div.id+'g')\n svg.appendChild(g)\n div.appendChild(svg)\n div.appendChild(document.createElement('br')) \n //\n // off-screen image canvas\n //\n var canvas = document.createElement('canvas')\n mod.img = canvas\n //\n // error value\n //\n div.appendChild(document.createTextNode('vector fit (pixels): '))\n //div.appendChild(document.createElement('br'))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('change',function(){\n vectorize()\n })\n div.appendChild(input)\n mod.error = input\n div.appendChild(document.createElement('br'))\n //\n // sort\n //\n div.appendChild(document.createTextNode('sort distance: '))\n var input = document.createElement('input')\n input.type = 'checkbox'\n input.id = mod.div.id+'sort'\n input.checked = true\n div.appendChild(input)\n mod.sort = input\n div.appendChild(document.createElement('br'))\n //\n // view button\n //\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('view'))\n btn.addEventListener('click',function(){\n var win = window.open('')\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n })\n win.document.body.appendChild(btn)\n win.document.body.appendChild(document.createElement('br'))\n var svg = document.getElementById(mod.div.id+'svg')\n var clone = svg.cloneNode(true)\n clone.setAttribute('width',mod.img.width)\n clone.setAttribute('height',mod.img.height)\n win.document.body.appendChild(clone)\n })\n div.appendChild(btn)\n }\n//\n// local functions\n//\n// vectorize\n//\nfunction vectorize() {\n //\n // draw path\n //\n function draw_path(path) {\n window.URL.revokeObjectURL(url)\n var svg = document.getElementById(mod.div.id+'svg')\n svg.setAttribute('viewBox',\"0 0 \"+(mod.img.width-1)+\" \"+(mod.img.height-1))\n var g = document.getElementById(mod.div.id+'g')\n svg.removeChild(g)\n var g = document.createElementNS('http://www.w3.org/2000/svg','g')\n g.setAttribute('id',mod.div.id+'g')\n var h = mod.img.height\n var w = mod.img.width\n var xend = null\n var yend = null\n //\n // loop over segments\n //\n for (var segment in path) {\n if (path[segment].length > 1) {\n if (xend != null) {\n //\n // draw connection from previous segment\n //\n var line = document.createElementNS('http://www.w3.org/2000/svg','line')\n line.setAttribute('stroke','red')\n line.setAttribute('stroke-width',1)\n line.setAttribute('stroke-linecap','round')\n var x1 = xend\n var y1 = yend\n var x2 = path[segment][0][0]\n var y2 = h-path[segment][0][1]-1\n line.setAttribute('x1',x1)\n line.setAttribute('y1',y1)\n line.setAttribute('x2',x2)\n line.setAttribute('y2',y2)\n var dx = x2-x1\n var dy = y2-y1\n var d = Math.sqrt(dx*dx+dy*dy)\n if (d > 0) {\n nx = 6*dx/d\n ny = 6*dy/d\n var tx = 3*dy/d\n var ty = -3*dx/d\n g.appendChild(line)\n triangle = document.createElementNS('http://www.w3.org/2000/svg','polygon')\n triangle.setAttribute('points',x2+','+y2+' '+(x2-nx+tx)+','+(y2-ny+ty)\n +' '+(x2-nx-tx)+','+(y2-ny-ty))\n triangle.setAttribute('fill','red')\n g.appendChild(triangle)\n }\n }\n //\n // loop over points\n //\n for (var point = 1; point < path[segment].length; ++point) {\n var line = document.createElementNS('http://www.w3.org/2000/svg','line')\n line.setAttribute('stroke','black')\n line.setAttribute('stroke-width',1)\n line.setAttribute('stroke-linecap','round')\n var x1 = path[segment][point-1][0]\n var y1 = h-path[segment][point-1][1]-1\n var x2 = path[segment][point][0]\n var y2 = h-path[segment][point][1]-1\n xend = x2\n yend = y2\n line.setAttribute('x1',x1)\n line.setAttribute('y1',y1)\n line.setAttribute('x2',x2)\n line.setAttribute('y2',y2)\n var dx = x2-x1\n var dy = y2-y1\n var d = Math.sqrt(dx*dx+dy*dy)\n if (d > 0) {\n nx = 6*dx/d\n ny = 6*dy/d\n var tx = 3*dy/d\n var ty = -3*dx/d\n g.appendChild(line)\n triangle = document.createElementNS('http://www.w3.org/2000/svg','polygon')\n triangle.setAttribute('points',x2+','+y2+' '+(x2-nx+tx)+','+(y2-ny+ty)\n +' '+(x2-nx-tx)+','+(y2-ny-ty))\n triangle.setAttribute('fill','black')\n g.appendChild(triangle)\n }\n }\n }\n }\n svg.appendChild(g)\n }\n //\n // set up worker\n //\n var blob = new Blob(['('+worker.toString()+'())'])\n var url = window.URL.createObjectURL(blob)\n var webworker = new Worker(url)\n webworker.addEventListener('message',function(evt) {\n window.URL.revokeObjectURL(url)\n webworker.terminate()\n mod.path = evt.data.path\n draw_path(mod.path)\n outputs.path.event()\n })\n //\n // call worker\n //\n webworker.postMessage({\n height:mod.input.height,width:mod.input.width,sort:mod.sort.checked,\n error:parseFloat(mod.error.value),\n buffer:mod.input.data.buffer})\n }\n//\n// vectorize worker\n//\nfunction worker() {\n self.addEventListener('message',function(evt) {\n var h = evt.data.height\n var w = evt.data.width\n var sort = evt.data.sort\n var input = new Uint8ClampedArray(evt.data.buffer)\n var northsouth = 0\n var north = 128\n var south = 64\n var eastwest = 1\n var east = 128\n var west = 64\n var startstop = 2\n var start = 128\n var stop = 64\n var path = []\n //\n // edge follower\n //\n function follow_edges(row,col) {\n if ((input[(h-1-row)*w*4+col*4+northsouth] != 0)\n || (input[(h-1-row)*w*4+col*4+eastwest] != 0)) {\n path[path.length] = [[col,row]]\n while (1) {\n if (input[(h-1-row)*w*4+col*4+northsouth] & north) {\n input[(h-1-row)*w*4+col*4+northsouth] =\n input[(h-1-row)*w*4+col*4+northsouth] & ~north\n row += 1\n path[path.length-1][path[path.length-1].length] = [col,row]\n }\n else if (input[(h-1-row)*w*4+col*4+northsouth] & south) {\n input[(h-1-row)*w*4+col*4+northsouth] =\n input[(h-1-row)*w*4+col*4+northsouth] & ~south\n row -= 1\n path[path.length-1][path[path.length-1].length] = [col,row]\n }\n else if (input[(h-1-row)*w*4+col*4+eastwest] & east) {\n input[(h-1-row)*w*4+col*4+eastwest] =\n input[(h-1-row)*w*4+col*4+eastwest] & ~east\n col += 1\n path[path.length-1][path[path.length-1].length] = [col,row]\n }\n else if (input[(h-1-row)*w*4+col*4+eastwest] & west) {\n input[(h-1-row)*w*4+col*4+eastwest] =\n input[(h-1-row)*w*4+col*4+eastwest] & ~west\n col -= 1\n path[path.length-1][path[path.length-1].length] = [col,row]\n }\n else\n break\n }\n }\n }\n //\n // follow boundary starts\n //\n for (var row = 1; row < (h-1); ++row) {\n col = 0\n follow_edges(row,col)\n col = w-1\n follow_edges(row,col)\n }\n for (var col = 1; col < (w-1); ++col) {\n row = 0\n follow_edges(row,col)\n row = h-1 \n follow_edges(row,col)\n }\n //\n // follow interior paths\n //\n for (var row = 1; row < (h-1); ++row) {\n for (var col = 1; col < (w-1); ++col) {\n follow_edges(row,col)\n }\n }\n //\n // vectorize path\n //\n var error = evt.data.error\n var vecpath = []\n for (var seg = 0; seg < path.length; ++seg) {\n var x0 = path[seg][0][0]\n var y0 = path[seg][0][1]\n vecpath[vecpath.length] = [[x0,y0]]\n var xsum = x0\n var ysum = y0\n var sum = 1\n for (var pt = 1; pt < path[seg].length; ++pt) {\n var xold = x\n var yold = y\n var x = path[seg][pt][0]\n var y = path[seg][pt][1]\n if (sum == 1) {\n xsum += x\n ysum += y\n sum += 1\n }\n else {\n var xmean = xsum/sum\n var ymean = ysum/sum\n var dx = xmean-x0\n var dy = ymean-y0\n var d = Math.sqrt(dx*dx+dy*dy)\n var nx = dy/d\n var ny = -dx/d\n var l = Math.abs(nx*(x-x0)+ny*(y-y0))\n if (l < error) {\n xsum += x\n ysum += y\n sum += 1\n }\n else {\n vecpath[vecpath.length-1][vecpath[vecpath.length-1].length] = [xold,yold]\n x0 = xold\n y0 = yold\n xsum = xold\n ysum = yold\n sum = 1\n }\n }\n if (pt == (path[seg].length-1)) {\n vecpath[vecpath.length-1][vecpath[vecpath.length-1].length] = [x,y]\n }\n }\n }\n //\n // sort path\n //\n if ((vecpath.length > 0) && (sort == true)) {\n var dmin = w*w+h*h\n segmin = null\n for (var seg = 0; seg < vecpath.length; ++seg) {\n var x = vecpath[seg][0][0]\n var y = vecpath[seg][0][0]\n var d = x*x+y*y\n if (d < dmin) {\n dmin = d\n segmin = seg\n }\n }\n if (segmin != null) {\n var sortpath = [vecpath[segmin]]\n vecpath.splice(segmin,1)\n }\n while (vecpath.length > 0) {\n var dmin = w*w+h*h\n var x0 = sortpath[sortpath.length-1][sortpath[sortpath.length-1].length-1][0]\n var y0 = sortpath[sortpath.length-1][sortpath[sortpath.length-1].length-1][1]\n segmin = null\n for (var seg = 0; seg < vecpath.length; ++seg) {\n var x = vecpath[seg][0][0]\n var y = vecpath[seg][0][1]\n var d = (x-x0)*(x-x0)+(y-y0)*(y-y0)\n if (d < dmin) {\n dmin = d\n segmin = seg\n }\n }\n if (segmin != null) {\n sortpath[sortpath.length] = vecpath[segmin]\n vecpath.splice(segmin,1)\n }\n }\n }\n else if ((vecpath.length > 0) && (sort == false))\n sortpath = vecpath\n else\n sortpath = []\n //\n // return path\n //\n self.postMessage({path:sortpath})\n })\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"587","left":"1739","inputs":{},"outputs":{}},"0.32734870523599846":{"definition":"//\n// mill raster 2D\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2016\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the mods\n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'mill raster 2D'\n//\n// initialization\n//\nvar init = function() {\n mod.dia_in.value = 0.125\n mod.dia_mm.value = 25.4*parseFloat(mod.dia_in.value)\n mod.cut_in.value = 0.1\n mod.cut_mm.value = 25.4*parseFloat(mod.cut_in.value)\n mod.max_in.value = 0.1\n mod.max_mm.value = 25.4*parseFloat(mod.max_in.value)\n mod.number.value = 1\n mod.stepover.value = 0.5\n mod.merge.value = 1\n mod.reverse.checked = true\n mod.sort.checked = false\n }\n//\n// inputs\n//\nvar inputs = {\n imageInfo:{type:'object',\n event:function(evt){\n mod.name = evt.detail.name\n mod.dpi = evt.detail.dpi\n mod.width = evt.detail.width\n mod.height = evt.detail.height\n var ctx = mod.img.getContext(\"2d\")\n ctx.canvas.width = mod.width\n ctx.canvas.height = mod.height \n }},\n path:{type:'array',\n event:function(evt){\n if (mod.label.nodeValue == 'calculating') {\n draw_path(evt.detail)\n accumulate_path(evt.detail)\n mod.offsetCount += 1\n if ((mod.offsetCount != parseInt(mod.number.value)) && (evt.detail.length > 0)) {\n mod.offset += parseFloat(mod.stepover.value)\n outputs.offset.event()\n }\n else {\n mod.label.nodeValue = 'calculate'\n mod.labelspan.style.fontWeight = 'normal'\n merge_path()\n clear_path()\n draw_path(mod.path)\n draw_connections()\n add_depth()\n outputs.toolpath.event()\n }\n }\n }\n }\n }\n//\n// outputs\n//\nvar outputs = {\n diameter:{type:'number',\n event:function(){\n mods.output(mod,'diameter',Math.ceil(mod.dpi*mod.dia_in.value));\n }\n },\n offset:{type:'number',\n event:function(){\n var pixels = mod.offset*parseFloat(mod.dia_in.value)*mod.dpi\n mods.output(mod,'offset',pixels)\n }\n },\n toolpath:{type:'object',\n event:function(){\n cmd = {}\n cmd.path = mod.path\n cmd.name = mod.name\n cmd.dpi = mod.dpi\n cmd.width = mod.width\n cmd.height = mod.height\n cmd.depth = mod.depth\n mods.output(mod,'toolpath',cmd)\n }\n }\n }\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // tool diameter\n //\n div.appendChild(document.createTextNode('tool diameter'))\n div.appendChild(document.createElement('br'))\n div.appendChild(document.createTextNode('mm: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('input',function(){\n mod.dia_in.value = parseFloat(mod.dia_mm.value)/25.4\n })\n div.appendChild(input)\n mod.dia_mm = input\n div.appendChild(document.createTextNode(' in: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('input',function(){\n mod.dia_mm.value = parseFloat(mod.dia_in.value)*25.4\n })\n div.appendChild(input)\n mod.dia_in = input\n div.appendChild(document.createElement('br'))\n //\n // cut depth\n //\n div.appendChild(document.createTextNode('cut depth'))\n div.appendChild(document.createElement('br'))\n div.appendChild(document.createTextNode('mm: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('input',function(){\n mod.cut_in.value = parseFloat(mod.cut_mm.value)/25.4\n })\n div.appendChild(input)\n mod.cut_mm = input\n div.appendChild(document.createTextNode(' in: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('input',function(){\n mod.cut_mm.value = parseFloat(mod.cut_in.value)*25.4\n })\n div.appendChild(input)\n mod.cut_in = input\n div.appendChild(document.createElement('br'))\n //\n // max depth\n //\n div.appendChild(document.createTextNode('max depth'))\n div.appendChild(document.createElement('br'))\n div.appendChild(document.createTextNode('mm: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('input',function(){\n mod.max_in.value = parseFloat(mod.max_mm.value)/25.4\n })\n div.appendChild(input)\n mod.max_mm = input\n div.appendChild(document.createTextNode(' in: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('input',function(){\n mod.max_mm.value = parseFloat(mod.max_in.value)*25.4\n })\n div.appendChild(input)\n mod.max_in = input\n div.appendChild(document.createElement('br'))\n //\n // offset number\n //\n div.appendChild(document.createTextNode('offset number: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n div.appendChild(input)\n mod.number = input\n div.appendChild(document.createTextNode(' (0 = fill)'))\n div.appendChild(document.createElement('br'))\n //\n // offset stepover\n //\n div.appendChild(document.createTextNode('offset stepover: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n div.appendChild(input)\n mod.stepover = input\n div.appendChild(document.createTextNode(' (1 = diameter)'))\n div.appendChild(document.createElement('br'))\n //\n // direction\n //\n div.appendChild(document.createTextNode('direction: '))\n div.appendChild(document.createTextNode('climb'))\n var input = document.createElement('input')\n input.type = 'radio'\n input.name = mod.div.id+'direction'\n input.id = mod.div.id+'climb'\n input.checked = true\n div.appendChild(input)\n mod.climb = input\n div.appendChild(document.createTextNode(' conventional'))\n var input = document.createElement('input')\n input.type = 'radio'\n input.name = mod.div.id+'direction'\n input.id = mod.div.id+'conventional'\n div.appendChild(input)\n mod.conventional = input\n div.appendChild(document.createElement('br'))\n //\n // path merge\n //\n div.appendChild(document.createTextNode('path merge: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n div.appendChild(input)\n mod.merge = input\n div.appendChild(document.createTextNode(' (1 = diameter)'))\n div.appendChild(document.createElement('br'))\n //\n // path order\n //\n div.appendChild(document.createTextNode('path order: '))\n div.appendChild(document.createTextNode('forward'))\n var input = document.createElement('input')\n input.type = 'radio'\n input.name = mod.div.id+'order'\n input.id = mod.div.id+'forward'\n input.checked = true\n div.appendChild(input)\n mod.forward = input\n div.appendChild(document.createTextNode(' reverse'))\n var input = document.createElement('input')\n input.type = 'radio'\n input.name = mod.div.id+'order'\n input.id = mod.div.id+'reverse'\n div.appendChild(input)\n mod.reverse = input\n div.appendChild(document.createElement('br'))\n //\n // sort distance\n //\n div.appendChild(document.createTextNode('sort distance: '))\n var input = document.createElement('input')\n input.type = 'checkbox'\n input.id = mod.div.id+'sort'\n div.appendChild(input)\n mod.sort = input\n div.appendChild(document.createElement('br'))\n //\n // calculate\n //\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n var span = document.createElement('span')\n var text = document.createTextNode('calculate')\n mod.label = text\n span.appendChild(text)\n mod.labelspan = span\n btn.appendChild(span)\n btn.addEventListener('click',function(){\n mod.label.nodeValue = 'calculating'\n mod.labelspan.style.fontWeight = 'bold'\n mod.offset = 0.5\n mod.offsetCount = 0\n mod.path = []\n clear_path()\n outputs.diameter.event()\n outputs.offset.event()\n })\n div.appendChild(btn)\n div.appendChild(document.createTextNode(' '))\n //\n // view\n //\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('view'))\n btn.addEventListener('click',function(){\n var win = window.open('')\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n })\n win.document.body.appendChild(btn)\n win.document.body.appendChild(document.createElement('br'))\n var svg = document.getElementById(mod.div.id+'svg')\n var clone = svg.cloneNode(true)\n clone.setAttribute('width',mod.img.width)\n clone.setAttribute('height',mod.img.height)\n win.document.body.appendChild(clone)\n })\n div.appendChild(btn)\n div.appendChild(document.createElement('br'))\n //\n // on-screen SVG\n //\n var svgNS = \"http://www.w3.org/2000/svg\"\n var svg = document.createElementNS(svgNS,\"svg\")\n svg.setAttribute('id',mod.div.id+'svg')\n svg.setAttributeNS(\"http://www.w3.org/2000/xmlns/\",\n \"xmlns:xlink\",\"http://www.w3.org/1999/xlink\")\n svg.setAttribute('width',mods.ui.canvas)\n svg.setAttribute('height',mods.ui.canvas)\n svg.style.backgroundColor = 'rgb(255,255,255)'\n var g = document.createElementNS(svgNS,'g')\n g.setAttribute('id',mod.div.id+'g')\n svg.appendChild(g)\n div.appendChild(svg)\n div.appendChild(document.createElement('br')) \n //\n // off-screen image canvas\n //\n var canvas = document.createElement('canvas')\n mod.img = canvas\n }\n//\n// local functions\n//\n//\n// clear_path\n//\nfunction clear_path() {\n var svg = document.getElementById(mod.div.id+'svg')\n svg.setAttribute('viewBox',\"0 0 \"+(mod.img.width-1)+\" \"+(mod.img.height-1))\n var g = document.getElementById(mod.div.id+'g')\n svg.removeChild(g)\n var g = document.createElementNS('http://www.w3.org/2000/svg','g')\n g.setAttribute('id',mod.div.id+'g')\n svg.appendChild(g)\n }\n//\n// accumulate_path\n// todo: replace inefficient insertion sort\n// todo: move sort out of main thread\n//\nfunction accumulate_path(path) {\n var forward = mod.forward.checked\n var conventional = mod.conventional.checked\n var sort = mod.sort.checked\n for (var segnew = 0; segnew < path.length; ++segnew) {\n if (conventional)\n path[segnew].reverse()\n if (mod.path.length == 0)\n mod.path.splice(0,0,path[segnew])\n else if (sort) {\n var xnew = path[segnew][0][0]\n var ynew = path[segnew][0][1]\n var dmin = Number.MAX_VALUE\n var segmin = -1\n for (var segold = 0; segold < mod.path.length; ++segold) {\n var xold = mod.path[segold][0][0]\n var yold = mod.path[segold][0][1]\n var dx = xnew-xold\n var dy = ynew-yold\n var d = Math.sqrt(dx*dx+dy*dy)\n if (d < dmin) {\n dmin = d\n segmin = segold\n }\n }\n if (forward)\n mod.path.splice(segmin+1,0,path[segnew])\n else\n mod.path.splice(segmin,0,path[segnew])\n }\n else {\n if (forward)\n mod.path.splice(mod.path.length,0,path[segnew])\n else\n mod.path.splice(0,0,path[segnew])\n }\n }\n }\n//\n// merge_path\n//\nfunction merge_path() {\n var dmerge = mod.dpi*parseFloat(mod.merge.value)*parseFloat(mod.dia_in.value)\n var seg = 0\n while (seg < (mod.path.length-1)) {\n var xold = mod.path[seg][mod.path[seg].length-1][0]\n var yold = mod.path[seg][mod.path[seg].length-1][1]\n var xnew = mod.path[seg+1][0][0]\n var ynew = mod.path[seg+1][0][1]\n var dx = xnew-xold\n var dy = ynew-yold\n var d = Math.sqrt(dx*dx+dy*dy)\n if (d < dmerge)\n mod.path.splice(seg,2,mod.path[seg].concat(mod.path[seg+1]))\n else\n seg += 1\n }\n } \n//\n// add_depth\n//\nfunction add_depth() {\n var cut = parseFloat(mod.cut_in.value)\n var max = parseFloat(mod.max_in.value)\n var newpath = []\n for (var seg = 0; seg < mod.path.length; ++seg) {\n var depth = cut\n if ((mod.path[seg][0][0] == mod.path[seg][mod.path[seg].length-1][0])\n && (mod.path[seg][0][0] == mod.path[seg][mod.path[seg].length-1][0])) {\n var newseg = []\n while (depth <= max) {\n var idepth = -Math.round(mod.dpi*depth)\n for (var pt = 0; pt < mod.path[seg].length; ++pt) {\n var point = mod.path[seg][pt].concat(idepth)\n newseg.splice(newseg.length,0,point)\n }\n if (depth == max)\n break\n depth += cut\n if (depth > max)\n depth = max\n }\n newpath.splice(newpath.length,0,newseg)\n }\n else {\n var newseg = []\n while (depth <= max) {\n var idepth = -Math.round(mod.dpi*depth)\n for (var pt = 0; pt < mod.path[seg].length; ++pt) {\n var point = mod.path[seg][pt].concat(idepth)\n newseg.splice(newseg.length,0,point)\n }\n newpath.splice(newpath.length,0,newseg)\n newseg = []\n if (depth == max)\n break\n depth += cut\n if (depth > max)\n depth = max\n }\n }\n }\n mod.path = newpath\n mod.depth = Math.round(parseFloat(mod.max_in.value)*mod.dpi)\n }\n//\n// draw_path\n//\nfunction draw_path(path) {\n var g = document.getElementById(mod.div.id+'g')\n var h = mod.img.height\n var w = mod.img.width\n var xend = null\n var yend = null\n //\n // loop over segments\n //\n for (var segment = 0; segment < path.length; ++segment) {\n if (path[segment].length > 1) {\n //\n // loop over points\n //\n for (var point = 1; point < path[segment].length; ++point) {\n var line = document.createElementNS('http://www.w3.org/2000/svg','line')\n line.setAttribute('stroke','black')\n line.setAttribute('stroke-width',1)\n line.setAttribute('stroke-linecap','round')\n var x1 = path[segment][point-1][0]\n var y1 = h-path[segment][point-1][1]-1\n var x2 = path[segment][point][0]\n var y2 = h-path[segment][point][1]-1\n xend = x2\n yend = y2\n line.setAttribute('x1',x1)\n line.setAttribute('y1',y1)\n line.setAttribute('x2',x2)\n line.setAttribute('y2',y2)\n var dx = x2-x1\n var dy = y2-y1\n var d = Math.sqrt(dx*dx+dy*dy)\n if (d > 0) {\n nx = 6*dx/d\n ny = 6*dy/d\n var tx = 3*dy/d\n var ty = -3*dx/d\n g.appendChild(line)\n triangle = document.createElementNS('http://www.w3.org/2000/svg','polygon')\n triangle.setAttribute('points',x2+','+y2+' '+(x2-nx+tx)+','+(y2-ny+ty)\n +' '+(x2-nx-tx)+','+(y2-ny-ty))\n triangle.setAttribute('fill','black')\n g.appendChild(triangle)\n }\n }\n }\n }\n }\n//\n// draw_connections\n//\nfunction draw_connections() {\n var g = document.getElementById(mod.div.id+'g')\n var h = mod.img.height\n var w = mod.img.width\n //\n // loop over segments\n //\n for (var segment = 1; segment < mod.path.length; ++segment) {\n //\n // draw connection from previous segment\n //\n var line = document.createElementNS('http://www.w3.org/2000/svg','line')\n line.setAttribute('stroke','red')\n line.setAttribute('stroke-width',1)\n line.setAttribute('stroke-linecap','round')\n var x1 = mod.path[segment-1][mod.path[segment-1].length-1][0]\n var y1 = h-mod.path[segment-1][mod.path[segment-1].length-1][1]-1\n var x2 = mod.path[segment][0][0]\n var y2 = h-mod.path[segment][0][1]-1\n line.setAttribute('x1',x1)\n line.setAttribute('y1',y1)\n line.setAttribute('x2',x2)\n line.setAttribute('y2',y2)\n var dx = x2-x1\n var dy = y2-y1\n var d = Math.sqrt(dx*dx+dy*dy)\n if (d > 0) {\n nx = 6*dx/d\n ny = 6*dy/d\n var tx = 3*dy/d\n var ty = -3*dx/d\n g.appendChild(line)\n triangle = document.createElementNS('http://www.w3.org/2000/svg','polygon')\n triangle.setAttribute('points',x2+','+y2+' '+(x2-nx+tx)+','+(y2-ny+ty)\n +' '+(x2-nx-tx)+','+(y2-ny-ty))\n triangle.setAttribute('fill','red')\n g.appendChild(triangle)\n }\n }\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n\n","top":"402","left":"1241","inputs":{},"outputs":{}},"0.07230598353953022":{"definition":"//\n// nest multiple SVGs into a single SVG\n//\n// Sam Calisch\n// (c) Massachusetts Institute of Technology 2016\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the mods\n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {\n 'parameters':{\n 'stock_width':50.,\n 'stock_height':24.,\n 'padding':.25} //algorithm parameters, and default values\n}\n//\n// name\n//\nvar name = 'nest SVG Array'\n//\n// initialization\n//\nvar init = function() {\n Object.keys(mod.parameters).forEach( function(k){\n mod[k].value = mod.parameters[k]; //set default values\n });\n }\n//\n// inputs\n//\nvar inputs = {\n SVGArray:{type:'object',\n event:function(evt) {\n mod.svg_array = evt.detail;\n nest(mod.svg_array);\n }}}\n//\n// outputs\n//\nvar outputs = {\n SVG:{type:'string',\n event:function(){\n var str = new XMLSerializer().serializeToString(mod.bigview);\n mods.output(mod,'SVG',str)}},\n // TODO: make another output for parts that don't fit\n //Leftovers:{type:'object',\n // event:function(){\n // mods.output(mod,'Leftovers',mod.leftovers)}}\n }\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n\n // on-screen drawing canvas\n var smallview = document.createElementNS(\"http://www.w3.org/2000/svg\", \"svg\");//document.createElement('canvas');\n smallview.setAttribute('width',mods.ui.canvas);\n smallview.setAttribute('height',mods.ui.canvas);\n smallview.setAttribute('preserveAspectRatio','xMinYMin meet');\n div.appendChild(smallview);\n mod.smallview = smallview;\n div.appendChild(document.createElement('br'));\n\n // off-screen image canvas\n mod.bigview = document.createElementNS(\"http://www.w3.org/2000/svg\", \"svg\"); \n\n //add parameter inputs\n Object.keys(mod.parameters).forEach(function(p){\n var textnode = document.createElement('span');\n textnode.innerHTML = p+': ';\n textnode.style=\"display: inline-block; width: 80px; font-size: 12px;\";\n div.appendChild(textnode);\n var input_text = document.createElement('input');\n var input_max = document.createElement('input');\n var input_range = document.createElement('input') //add slider\n\n //value text\n input_text.type='text';\n input_text.size=3;\n mod[p] = input_text; //set initial minimum slider value\n div.appendChild(input_text);\n input_text.addEventListener('blur',function(){\n input_range.value = (100 * input_text.value / input_max.value);\n nest(mod.svg_array);\n });\n\n //slider\n input_range.type = 'range'; \n input_range.min = 0; input_range.max = 100;\n input_range.value = 50; \n input_range.style = '-webkit-appearance: none; width: 80px; height: 0px; border: none; margin-top: -4px; margin-left:2px;';\n input_range.addEventListener('input',function(){\n input_text.value = input_max.value * input_range.value/100.0;\n nest(mod.svg_array);\n });\n div.appendChild(input_range);\n\n //max text\n input_max.type='text';\n input_max.size=2;\n input_max.value = 2*mod.parameters[p]; //set initial maximum to twice default value\n input_max.addEventListener('blur',function(){\n input_range.value = 100 * input_text.value / input_max.value;\n input_text.value = Math.min( input_text.value, input_max.value ); \n nest(mod.svg_array);\n });\n div.appendChild(input_max);\n\n div.appendChild(document.createElement('br'));\n });\n\n // view button\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('view'))\n btn.addEventListener('click',function(){\n var win = window.open('')\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n })\n win.document.body.appendChild(btn)\n win.document.body.appendChild(document.createElement('br'))\n mod.bigview.setAttribute('width', mod.stock_width.value+\"in\");\n mod.bigview.setAttribute('height', mod.stock_height.value+\"in\" );\n mod.bigview.setAttribute('preserveAspectRatio','xMinYMin meet');\n win.document.body.appendChild(mod.bigview);\n })\n div.appendChild(btn)\n div.appendChild(document.createTextNode(' draw grid?'));\n var draw_grid = document.createElement('input')\n mod.draw_grid = draw_grid;\n draw_grid.type = 'checkbox'\n draw_grid.name = mod.div.id+'grid'\n draw_grid.id = mod.div.id+'grid'\n draw_grid.checked = false\n draw_grid.addEventListener('change',function(){nest(mod.svg_array);});\n div.appendChild(draw_grid)\n div.appendChild(document.createElement('br'))\n }\n//\n// local functions\n\nfunction nest(sw_json){\n //sw_json is text json exported from soliworks of the form [{partTitle:â€Part-1â€, thickness:20, count:2, svgArray:[svgf1, svgf2, …],{partTitle:â€Part-2â€, thickness:20, count:3, svgArray:[svgf3, svgf4, …]\n //stocksize is an array [width,height] of stock dimensions\n //we scale so the stock size takes up the %75 of screen\n //padding is an amount to leave between each piece\n var stocksize = [mod.stock_width.value/39.3, mod.stock_height.value/39.3]; //convert to meters\n //TODO: handle units more gracefully!\n var padding = mod.padding.value/39.3;\n var draw_grid = false;\n\n //make sure first dimension is longer\n //if (stocksize[1] > stocksize[0]) stocksize = [stocksize[1],stocksize[0]];\n\n //fit stock width to page\n var scale = mod.smallview.width/stocksize[0]; \n\n var partName = sw_json[0]['partName'];\n var thickness = sw_json[0]['thickness'];\n var count = sw_json[0]['count'];\n var svgs = [];\n //deal with multiple parts from SW\n for(var i=0; i<sw_json.length; ++i){\n svgs = svgs.concat(sw_json[i].svgArray);\n }\n\n //create SVG for output\n var svgNS = \"http://www.w3.org/2000/svg\";\n //var nested = document.createElementNS(\"http://www.w3.org/2000/svg\", \"svg\");\n mod.smallview.innerHTML=''; //delete previous children\n \n //mod.smallview.setAttribute('width',(stocksize[0])*scale );\n //mod.smallview.setAttribute('height',(stocksize[1])*scale );\n mod.smallview.setAttribute('viewBox', \"0 0 \"+stocksize[0]+\" \"+stocksize[1]);\n\n //draw stock outline\n var stock = document.createElementNS(svgNS,'rect');\n stock.setAttribute('x', 0); stock.setAttribute('y', 0);\n stock.setAttribute('width', stocksize[0]); stock.setAttribute('height', stocksize[1]);\n stock.setAttribute('style', 'fill:rgb(0,0,0);')\n //stock.setAttribute('class','annotation'); //label for removal on output\n mod.smallview.appendChild(stock);\n\n var gs = [] //container for the g elements\n svgs.forEach(function(svg){\n var g = document.createElementNS(svgNS,'g');\n g.innerHTML = svg;\n var svg_tree = g.firstChild;\n var vb = svg_tree.getAttribute('viewBox').split(\" \").map(parseFloat);\n svg_tree.setAttribute('viewBox',(vb[0]-.5*padding)+\" \"+(vb[1]-.5*padding)+\" \"+(vb[2]+.5*padding)+\" \"+(vb[3]+.5*padding));\n svg_tree.setAttribute('width', vb[2]+padding); svg_tree.setAttribute('height', vb[3]+padding);\n g.setAttribute('w',vb[2]+padding); //use a foreign tag to bring width and height info along as we tranform \n g.setAttribute('h',vb[3]+padding); \n mod.smallview.appendChild(g);\n gs.push(g);\n });\n\n //orient so long axis is horizontal. if this is not the case, rotate\n gs.forEach(function(g){\n w = g.getAttribute('w'); h = g.getAttribute('h');\n if (h>w){\n g.setAttribute('transform','translate(0,'+w+') rotate(-90)' );\n g.setAttribute('w',h); g.setAttribute('h',w);\n } else{\n g.setAttribute('transform','' );\n }\n });\n\n //then sort by long dimension in descending order\n gs = gs.sort( function(g1,g2){ return g2.getAttribute('w') - g1.getAttribute('w')} );\n\n\n //then place first and calculate the left over rectangles\n function fill_rect(b1,b2,remaining_shapes){\n if (mod.draw_grid.checked){\n node = document.createElementNS(\"http://www.w3.org/2000/svg\", \"rect\");\n node.setAttribute('x',b1[0]); node.setAttribute('y',b1[1]);\n node.setAttribute('width',b2[0]-b1[0]);\n node.setAttribute('height',b2[1]-b1[1]);\n node.setAttribute('class','annotation'); //label for removal on output\n node.setAttribute('style','fill:none;stroke-width:.001;stroke:rgb(0,0,255)');\n mod.smallview.appendChild(node);\n }\n\n\n //fill a rectangle defined by point b1 to point b2 with the first element from remaining_shapes that fits\n var dx = b2[0]-b1[0]; \n var dy = b2[1]-b1[1];\n for(i=0; i<remaining_shapes.length; i++){\n var gi = remaining_shapes[i];\n var w = parseFloat(gi.getAttribute('w'));\n var h = parseFloat(gi.getAttribute('h'));\n if (w <= dx+.000001 && h <= dy+.00001){ //successfully placed shape i\n remaining_shapes.splice(i,1); //remove shape i from remaining shapes\n gi.setAttribute('transform', 'translate('+(b1[0])+','+(b1[1])+') '+gi.getAttribute('transform')); //use base point as transform\n fill_rect([b1[0],b1[1]+h],[b1[0]+w,b2[1]],remaining_shapes); //prioritize filling lower rectangle\n fill_rect([b1[0]+w,b1[1]],b2,remaining_shapes); //then fill right rectangle\n break; //break out of for loop\n }\n }\n\n }\n fill_rect([.5*padding,.5*padding],[stocksize[0]-.5*padding,stocksize[1]-.5*padding],gs);\n \n //HACK: don't show parts that don't fit\n gs.forEach(function(g){\n g.innerHTML = ''; //delete!\n }); \n\n\n //create bigview svg from smallview svg\n mod.bigview.setAttribute( 'viewBox', mod.smallview.getAttribute('viewBox') );\n mod.bigview.innerHTML = mod.smallview.innerHTML;\n mod.bigview.setAttribute('width', mod.stock_width.value+\"in\");\n mod.bigview.setAttribute('height', mod.stock_height.value+\"in\" );\n\n //output events\n //mod.leftovers = [];\n outputs.SVG.event()\n\n\n /*\n\n //highlight parts that didn't fit\n gs.forEach(function(g){\n var svg = g.firstChild;\n var style = svg.firstChild.getAttribute('style');\n svg.firstChild.setAttribute('style',style+'stroke-width:'+.002*stocksize[0]+'; stroke:rgb(255,0,0)')\n });\n //nest parts that don't fit, note: this could just be done on another page.\n if (gs.length > 0){\n fill_rect([.5*padding,.5*padding],[stocksize[0]-.5*padding,stocksize[1]-.5*padding],gs);\n }\n */\n}\n\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"650","left":"335","inputs":{},"outputs":{}},"0.49036025089153756":{"definition":"//\n// Automatic dogbones for preprocessing images to be machined\n//\n// Sam Calisch\n// (c) Massachusetts Institute of Technology 2016\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the mods\n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'dogbone'\n//\n// initialization\n//\nvar init = function() {\n mod.diameter.value = ''\n }\n//\n// inputs\n//\nvar inputs = {\n distances:{type:'F32',\n event:function(evt){\n mod.distances = evt.detail\n var h = mod.distances.height\n var w = mod.distances.width\n var ctx = mod.img.getContext(\"2d\")\n ctx.canvas.height = mod.distances.height \n ctx.canvas.width = mod.distances.width\n if (mod.diameter.value != '')\n dogbone()\n }},\n diameter:{type:'number',\n event:function(evt){\n mod.diameter.value = evt.detail\n if (mod.distances != undefined)\n dogbone()\n }\n }\n }\n//\n// outputs\n//\nvar outputs = {\n image:{type:'RGBA',\n event:function(){\n var ctx = mod.img.getContext(\"2d\")\n var img = ctx.getImageData(0,0,mod.img.width,mod.img.height)\n mods.output(mod,'image',img)}}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // on-screen drawing canvas\n //\n var canvas = document.createElement('canvas')\n canvas.width = mods.ui.canvas\n canvas.height = mods.ui.canvas\n canvas.style.backgroundColor = 'rgb(255,255,255)'\n div.appendChild(canvas)\n mod.canvas = canvas\n div.appendChild(document.createElement('br'))\n //\n // off-screen image canvas\n //\n var canvas = document.createElement('canvas')\n mod.img = canvas\n //\n // diameter value\n //\n div.appendChild(document.createTextNode('diameter (pixels): '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('change',function(){\n dogbone()\n })\n div.appendChild(input)\n mod.diameter = input\n //\n // view button\n //\n div.appendChild(document.createElement('br'))\n var btn = document.createElement('button')\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.appendChild(document.createTextNode('view'))\n btn.addEventListener('click',function(){\n var win = window.open('')\n var btn = document.createElement('button')\n btn.appendChild(document.createTextNode('close'))\n btn.style.padding = mods.ui.padding\n btn.style.margin = 1\n btn.addEventListener('click',function(){\n win.close()\n })\n win.document.body.appendChild(btn)\n win.document.body.appendChild(document.createElement('br'))\n var canvas = document.createElement('canvas')\n canvas.width = mod.img.width\n canvas.height = mod.img.height\n win.document.body.appendChild(canvas)\n var ctx = canvas.getContext(\"2d\")\n ctx.drawImage(mod.img,0,0)\n })\n div.appendChild(btn)\n }\n//\n// local functions\n//\n// dogbone\n//\nfunction dogbone() {\n var blob = new Blob(['('+worker.toString()+'())'])\n var url = window.URL.createObjectURL(blob)\n var webworker = new Worker(url)\n webworker.addEventListener('message',function(evt) {\n window.URL.revokeObjectURL(url)\n var h = mod.distances.height\n var w = mod.distances.width\n var buf = new Uint8ClampedArray(evt.data.buffer)\n var imgdata = new ImageData(buf,w,h)\n var ctx = mod.img.getContext(\"2d\")\n ctx.putImageData(imgdata,0,0)\n if (w > h) {\n var x0 = 0\n var y0 = mod.canvas.height*.5*(1-h/w)\n var wd = mod.canvas.width\n var hd = mod.canvas.width*h/w\n }\n else {\n var x0 = mod.canvas.width*.5*(1-w/h)\n var y0 = 0\n var wd = mod.canvas.height*w/h\n var hd = mod.canvas.height\n }\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n ctx.drawImage(mod.img,x0,y0,wd,hd)\n webworker.terminate()\n outputs.image.event()\n })\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n var diameter = parseFloat(mod.diameter.value)\n webworker.postMessage({\n height:mod.distances.height,width:mod.distances.width,\n diameter:diameter,buffer:mod.distances.buffer})\n }\n//\n// dogbone worker\n//\nfunction worker() {\n self.addEventListener('message',function(evt) {\n var h = evt.data.height\n var w = evt.data.width\n var diameter = evt.data.diameter\n var input = new Float32Array(evt.data.buffer)\n var output = new Uint8ClampedArray(4*h*w)\n for (var row = 0; row < h; ++row) {\n for (var col = 0; col < w; ++col) {\n if (input[(h-1-row)*w+col] <= 0) {\n output[(h-1-row)*w*4+col*4+0] = 255\n output[(h-1-row)*w*4+col*4+1] = 255\n output[(h-1-row)*w*4+col*4+2] = 255\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n else {\n output[(h-1-row)*w*4+col*4+0] = 0\n output[(h-1-row)*w*4+col*4+1] = 0\n output[(h-1-row)*w*4+col*4+2] = 0\n output[(h-1-row)*w*4+col*4+3] = 255\n }\n }\n }\n\n //pick out ridge points at the right distance\n var distance_value = (diameter/2.) * (Math.sqrt(2)/2.);\n var distance_tol = 1; //Math.sqrt(2)/2. ;\n var r = Math.round(diameter/2);\n for (var row = 0; row < h; ++row) {\n for (var col = 0; col < w; ++col) {\n var max_ud = input[ (h-1-row)*w+col ] >= Math.max(input[ (h-1-row)*w+col-1], input[ (h-1-row)*w+col+1]); //up down\n var max_lr = input[ (h-1-row)*w+col ] >= Math.max(input[ (h-1-row-1)*w+col], input[ (h-1-row+1)*w+col]); //left right\n var max_ru = input[ (h-1-row)*w+col ] >= Math.max(input[ (h-1-row-1)*w+col+1], input[ (h-1-row+1)*w+col-1]); //right up\n var max_rd = input[ (h-1-row)*w+col ] >= Math.max(input[ (h-1-row-1)*w+col-1], input[ (h-1-row+1)*w+col+1]); //right up\n //if we are local max in at least two directions\n if( (max_ud+max_lr+max_ru+max_rd) >= 2 && Math.abs(input[ (h-1-row)*w+col]-distance_value) <= distance_tol ) {\n for(var cx=-r; cx<=r; ++cx){\n var yx = Math.ceil(Math.sqrt(r*r-cx*cx));\n for(var cy=-yx; cy<=yx; ++cy){\n output[(h-1-(row+cx))*w*4+(col+cy)*4+0] = 0;\n output[(h-1-(row+cx))*w*4+(col+cy)*4+1] = 0;\n output[(h-1-(row+cx))*w*4+(col+cy)*4+2] = 0;\n output[(h-1-(row+cx))*w*4+(col+cy)*4+3] = 255;\n }\n }\n\n } \n }\n }\n self.postMessage({buffer:output.buffer},[output.buffer])\n })\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"38","left":"2414","inputs":{},"outputs":{}},"0.8617147326718335":{"definition":"//\n// ShopBot\n//\n// Neil Gershenfeld \n// (c) Massachusetts Institute of Technology 2016\n// \n// This work may be reproduced, modified, distributed, performed, and \n// displayed for any purpose, but must acknowledge the mods\n// project. Copyright is retained and must be preserved. The work is \n// provided as is; no warranty is provided, and users accept all \n// liability.\n//\n// closure\n//\n\n\n(function(){\n//\n// module globals\n//\nvar mod = {}\n//\n// name\n//\nvar name = 'ShopBot'\n//\n// initialization\n//\nvar init = function() {\n mod.cutspeed.value = 20\n mod.plungespeed.value = 20\n mod.jogspeed.value = 75\n mod.jogheight.value = 5\n mod.spindlespeed.value = 10000\n mod.unitsin.checked = true \n }\n//\n// inputs\n//\nvar inputs = {\n toolpath:{type:'object',\n event:function(evt){\n mod.name = evt.detail.name\n mod.path = evt.detail.path\n mod.dpi = evt.detail.dpi\n mod.width = evt.detail.width\n mod.height = evt.detail.height\n make_path()\n }}}\n//\n// outputs\n//\nvar outputs = {\n file:{type:'object',\n event:function(str){\n obj = {}\n obj.name = mod.name+\".sbp\"\n obj.contents = str\n mods.output(mod,'file',obj)\n }}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // cut speed\n //\n div.appendChild(document.createTextNode('cut speed: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n div.appendChild(input)\n mod.cutspeed = input\n div.appendChild(document.createTextNode(' (mm/s)'))\n div.appendChild(document.createElement('br'))\n //\n // plunge speed\n //\n div.appendChild(document.createTextNode('plunge speed: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n div.appendChild(input)\n mod.plungespeed = input\n div.appendChild(document.createTextNode(' (mm/s)'))\n div.appendChild(document.createElement('br'))\n //\n // jog speed\n //\n div.appendChild(document.createTextNode('jog speed: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n div.appendChild(input)\n mod.jogspeed = input\n div.appendChild(document.createTextNode(' (mm/s)'))\n div.appendChild(document.createElement('br'))\n //\n // jog height\n //\n div.appendChild(document.createTextNode('jog height: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n div.appendChild(input)\n mod.jogheight = input\n div.appendChild(document.createTextNode(' (mm)'))\n div.appendChild(document.createElement('br'))\n //\n // spindle speed\n //\n div.appendChild(document.createTextNode('spindle speed: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n div.appendChild(input)\n mod.spindlespeed = input\n div.appendChild(document.createTextNode(' (RPM)'))\n div.appendChild(document.createElement('br'))\n //\n // file units\n //\n div.appendChild(document.createTextNode('file units:'))\n var input = document.createElement('input')\n input.type = 'radio'\n input.name = mod.div.id+'units'\n input.id = mod.div.id+'unitsin'\n div.appendChild(input)\n mod.unitsin = input\n div.appendChild(document.createTextNode('in'))\n var input = document.createElement('input')\n input.type = 'radio'\n input.name = mod.div.id+'units'\n input.id = mod.div.id+'unitsmm'\n div.appendChild(input)\n mod.unitsmm = input\n div.appendChild(document.createTextNode('mm'))\n }\n//\n// local functions\n//\nfunction make_path() {\n if (mod.unitsin.checked)\n var units = 1\n else\n var units = 25.4\n var dx = units*mod.width/mod.dpi\n var nx = mod.width\n var cut_speed = units*parseFloat(mod.cutspeed.value)/25.4\n var plunge_speed = units*parseFloat(mod.plungespeed.value)/25.4\n var jog_speed = units*parseFloat(mod.jogspeed.value)/25.4\n var jog_height = units*parseFloat(mod.jogheight.value)/25.4\n var spindle_speed = parseFloat(mod.spindlespeed.value)\n var scale = dx/(nx-1)\n str = \"SA\\r\\n\" // set to absolute distances\n str += \"TR,\"+spindle_speed+\",1\\r\\n\" // set spindle speed\n str += \"SO,1,1\\r\\n\" // set output number 1 to on\n str += \"pause 2\\r\\n\" // let spindle come up to speed\n str += \"MS,\"+cut_speed.toFixed(4)+\",\"+plunge_speed.toFixed(4)+\"\\r\\n\" // set xy,z speed\n str += \"JS,\"+jog_speed.toFixed(4)+\",\"+jog_speed.toFixed(4)+\"\\r\\n\" // set jog xy,z speed\n str += \"JZ,\"+jog_height.toFixed(4)+\"\\r\\n\" // move up\n //\n // follow segments\n //\n for (var seg = 0; seg < mod.path.length; ++seg) {\n //\n // move up to starting point\n //\n x = scale*mod.path[seg][0][0]\n y = scale*mod.path[seg][0][1]\n str += \"MZ,\"+jog_height.toFixed(4)+\"\\r\\n\"\n str += \"J2,\"+x.toFixed(4)+\",\"+y.toFixed(4)+\"\\r\\n\"\n //\n // move down\n //\n z = scale*mod.path[seg][0][2]\n str += \"MZ,\"+z.toFixed(4)+\"\\r\\n\"\n for (var pt = 1; pt < mod.path[seg].length; ++pt) {\n //\n // move to next point\n //\n x = scale*mod.path[seg][pt][0]\n y = scale*mod.path[seg][pt][1]\n z = scale*mod.path[seg][pt][2]\n str += \"M3,\"+x.toFixed(4)+\",\"+y.toFixed(4)+\",\"+z.toFixed(4)+\"\\r\\n\"\n }\n }\n //\n // output file\n //\n str += \"MZ,\"+jog_height.toFixed(4)+\"\\r\\n\"\n outputs.file.event(str)\n }\n//\n// return values\n//\nreturn ({\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n\n","top":"1103","left":"783","inputs":{},"outputs":{}}},"links":["{\"source\":\"{\\\"id\\\":\\\"0.07944144280928633\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"image\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.8903773266711255\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"image\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.3135579179893032\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"image\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.07944144280928633\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"image\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.6488303557466412\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"image\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.47383876715576023\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"image\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.23780413326993044\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"distances\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.3135579179893032\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"distances\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.5857417886002868\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"image\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.6488303557466412\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"image\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.8903773266711255\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"image\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.749132408760488\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"image\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.5857417886002868\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"imageInfo\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.32734870523599846\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"imageInfo\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.749132408760488\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"path\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.32734870523599846\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"path\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.32734870523599846\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"offset\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.3135579179893032\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"offset\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.32734870523599846\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"toolpath\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.6248369051648597\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"toolpath\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.11412947254979766\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"sw_array\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.07230598353953022\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"SVGArray\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.07230598353953022\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"SVG\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.5857417886002868\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"SVG\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.49036025089153756\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"image\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.23780413326993044\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"image\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.47383876715576023\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"distances\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.49036025089153756\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"distances\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.32734870523599846\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"diameter\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.49036025089153756\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"diameter\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.6248369051648597\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"toolpath\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.8617147326718335\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"toolpath\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.8617147326718335\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"file\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.4793941661670936\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"file\\\"}\"}"]}
\ No newline at end of file
--
GitLab