diff --git a/files.html b/files.html
index ed1a71bf25bb68a68b2a6ff8e85ee14e240343cb..1f90fd01e0cb4ce6e48287dfb2f0f139d3dce24e 100644
--- a/files.html
+++ b/files.html
@@ -252,6 +252,7 @@
<a href='./programs/machines/ShopBot/mill%202D%20stl'>mill 2D stl</a><br>
<a href='./programs/machines/ShopBot/mill%202D%20svg'>mill 2D svg</a><br>
<a href='./programs/machines/ShopBot/mill%202D%20svg%20connect'>mill 2D svg connect</a><br>
+ <a href='./programs/machines/ShopBot/mill%203D%20stl'>mill 3D stl</a><br>
<i> Trotec</i><br>
<a href='./programs/machines/Trotec/cut%20png'>cut png</a><br>
<i> math</i><br>
diff --git a/modules/processes/mill/raster/3D b/modules/processes/mill/raster/3D
index ca76f580699bf1f2e46903dc1dbed9f67c3272f1..f04a57fcdaab82bcfbd6415b7197459d7da8da38 100644
--- a/modules/processes/mill/raster/3D
+++ b/modules/processes/mill/raster/3D
@@ -131,7 +131,7 @@ var interface = function(div){
//
// fit error
//
- div.appendChild(document.createTextNode('vector fit (pixels): '))
+ div.appendChild(document.createTextNode('vector fit (%): '))
//div.appendChild(document.createElement('br'))
var input = document.createElement('input')
input.type = 'text'
diff --git a/programs/index.js b/programs/index.js
index fd8318b84119b694f387ba814f605580d2ada813..33049326328d33661c9a2afec129523cf9f17fb6 100644
--- a/programs/index.js
+++ b/programs/index.js
@@ -47,6 +47,7 @@ program_menu(' mill 2D png PCB','programs/machines/ShopBot/mill%202D%
program_menu(' mill 2D stl','programs/machines/ShopBot/mill%202D%20stl')
program_menu(' mill 2D svg','programs/machines/ShopBot/mill%202D%20svg')
program_menu(' mill 2D svg connect','programs/machines/ShopBot/mill%202D%20svg%20connect')
+program_menu(' mill 3D stl','programs/machines/ShopBot/mill%203D%20stl')
program_label(' Trotec')
program_menu(' cut png','programs/machines/Trotec/cut%20png')
program_label('math')
diff --git a/programs/machines/ShopBot/mill 3D stl b/programs/machines/ShopBot/mill 3D stl
new file mode 100644
index 0000000000000000000000000000000000000000..2a1f09f09e23082a324a837faaa30ee23df929d1
--- /dev/null
+++ b/programs/machines/ShopBot/mill 3D stl
@@ -0,0 +1 @@
+{"modules":{"0.9903638182304415":{"definition":"//\n// read stl\n//\n// Neil Gershenfeld\n// (c) Massachusetts Institute of Technology 2018\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 = 'read STL'\n//\n// initialization\n//\nvar init = function() {\n }\n//\n// inputs\n//\nvar inputs = {\n }\n//\n// outputs\n//\nvar outputs = {\n mesh:{type:'STL',\n event:function(buffer){\n mods.output(mod,'mesh',buffer)}}\n }\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 stl_read_handler()\n })\n div.appendChild(file)\n mod.file = file\n //\n // 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 // 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 stl 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 // info\n //\n var info = document.createElement('div')\n info.setAttribute('id',div.id+'info')\n var text = document.createTextNode('name: ')\n info.appendChild(text)\n mod.namen = text\n info.appendChild(document.createElement('br'))\n var text = document.createTextNode('size: ')\n info.appendChild(text)\n mod.sizen = text\n info.appendChild(document.createElement('br'))\n var text = document.createTextNode('triangles: ')\n info.appendChild(text)\n mod.trianglesn = text\n info.appendChild(document.createElement('br'))\n var text = document.createTextNode('dx: ')\n info.appendChild(text)\n mod.dxn = text\n info.appendChild(document.createElement('br'))\n var text = document.createTextNode('dy: ')\n info.appendChild(text)\n mod.dyn = text\n info.appendChild(document.createElement('br'))\n var text = document.createTextNode('dz: ')\n info.appendChild(text)\n mod.dzn = text\n div.appendChild(info)\n }\n//\n// local functions\n//\n// read handler\n//\nfunction stl_read_handler(event) {\n var file_reader = new FileReader()\n file_reader.onload = stl_load_handler\n input_file = mod.file.files[0]\n file_name = input_file.name\n mod.namen.nodeValue = 'name: '+file_name\n file_reader.readAsArrayBuffer(input_file)\n }\n//\n// load handler\n//\nfunction stl_load_handler(event) {\n //\n // check for binary STL\n //\n var endian = true\n var view = new DataView(event.target.result)\n var triangles = view.getUint32(80,endian)\n var size = 80+4+triangles*(4*12+2)\n if (size != view.byteLength) {\n mod.sizen.nodeValue = 'error: not binary STL'\n mod.trianglesn.nodeValue = ''\n mod.dxn.nodeValue = ''\n mod.dyn.nodeValue = ''\n mod.dzn.nodeValue = ''\n return\n }\n mod.sizen.nodeValue = 'size: '+size\n mod.trianglesn.nodeValue = 'triangles: '+triangles\n //\n // find limits and draw\n //\n var blob = new Blob(['('+draw_limits_worker.toString()+'())'])\n var url = window.URL.createObjectURL(blob)\n var webworker = new Worker(url)\n webworker.addEventListener('message',function(evt) {\n //\n // worker response\n //\n window.URL.revokeObjectURL(url)\n //\n // size\n //\n mod.dxn.nodeValue = 'dx: '+evt.data.dx.toFixed(3)\n mod.dyn.nodeValue = 'dy: '+evt.data.dy.toFixed(3)\n mod.dzn.nodeValue = 'dz: '+evt.data.dz.toFixed(3)\n //\n // image\n //\n var image = evt.data.image\n var height = mod.canvas.height\n var width = mod.canvas.width\n var buffer = new Uint8ClampedArray(evt.data.image)\n var imgdata = new ImageData(buffer,width,height)\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.putImageData(imgdata,0,0)\n //\n // output\n //\n outputs.mesh.event(evt.data.mesh)\n })\n var ctx = mod.canvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)\n var img = ctx.getImageData(0,0,mod.canvas.width,mod.canvas.height)\n //\n // call worker\n //\n webworker.postMessage({\n height:mod.canvas.height,width:mod.canvas.width,\n image:img.data.buffer,mesh:event.target.result},\n [img.data.buffer,event.target.result])\n }\nfunction draw_limits_worker() {\n self.addEventListener('message',function(evt) {\n //\n // function to draw line\n //\n function line(x0,y0,x1,y1) {\n var ix0 = Math.floor(xo+xw*(x0-xmin)/dx)\n var iy0 = Math.floor(yo+yh*(ymax-y0)/dy)\n var ix1 = Math.floor(xo+xw*(x1-xmin)/dx)\n var iy1 = Math.floor(yo+yh*(ymax-y1)/dy)\n var row,col\n var idx = ix1-ix0\n var idy = iy1-iy0\n if (Math.abs(idy) > Math.abs(idx)) {\n (idy > 0) ?\n (row0=iy0,col0=ix0,row1=iy1,col1=ix1):\n (row0=iy1,col0=ix1,row1=iy0,col1=ix0)\n for (row = row0; row <= row1; ++row) {\n col = Math.floor(col0+(col1-col0)*(row-row0)/(row1-row0))\n image[row*width*4+col*4+0] = 0\n image[row*width*4+col*4+1] = 0\n image[row*width*4+col*4+2] = 0\n image[row*width*4+col*4+3] = 255\n }\n }\n else if ((Math.abs(idx) >= Math.abs(idy)) && (idx != 0)) {\n (idx > 0) ?\n (row0=iy0,col0=ix0,row1=iy1,col1=ix1):\n (row0=iy1,col0=ix1,row1=iy0,col1=ix0)\n for (col = col0; col <= col1; ++col) {\n row = Math.floor(row0+(row1-row0)*(col-col0)/(col1-col0))\n image[row*width*4+col*4+0] = 0\n image[row*width*4+col*4+1] = 0\n image[row*width*4+col*4+2] = 0\n image[row*width*4+col*4+3] = 255\n }\n }\n else {\n row = iy0\n col = ix0\n image[row*width*4+col*4+0] = 0\n image[row*width*4+col*4+1] = 0\n image[row*width*4+col*4+2] = 0\n image[row*width*4+col*4+3] = 255\n }\n }\n //\n // get variables\n //\n var height = evt.data.height\n var width = evt.data.width\n var endian = true\n var image = new Uint8ClampedArray(evt.data.image)\n var view = new DataView(evt.data.mesh)\n var triangles = view.getUint32(80,endian)\n //\n // find limits\n //\n var offset = 80+4\n var x0,x1,x2,y0,y1,y2,z0,z1,z2\n var xmin = Number.MAX_VALUE\n var xmax = -Number.MAX_VALUE\n var ymin = Number.MAX_VALUE\n var ymax = -Number.MAX_VALUE\n var zmin = Number.MAX_VALUE\n var zmax = -Number.MAX_VALUE\n for (var t = 0; t < triangles; ++t) {\n offset += 3*4\n x0 = view.getFloat32(offset,endian)\n offset += 4\n if (x0 > xmax) xmax = x0\n if (x0 < xmin) xmin = x0\n y0 = view.getFloat32(offset,endian)\n offset += 4\n if (y0 > ymax) ymax = y0\n if (y0 < ymin) ymin = y0\n z0 = view.getFloat32(offset,endian)\n offset += 4\n if (z0 > zmax) zmax = z0\n if (z0 < zmin) zmin = z0\n x1 = view.getFloat32(offset,endian)\n offset += 4\n if (x1 > xmax) xmax = x1\n if (x1 < xmin) xmin = x1\n y1 = view.getFloat32(offset,endian)\n offset += 4\n if (y1 > ymax) ymax = y1\n if (y1 < ymin) ymin = y1\n z1 = view.getFloat32(offset,endian)\n offset += 4\n if (z1 > zmax) zmax = z1\n if (z1 < zmin) zmin = z1\n x2 = view.getFloat32(offset,endian)\n offset += 4\n if (x2 > xmax) xmax = x2\n if (x2 < xmin) xmin = x2\n y2 = view.getFloat32(offset,endian)\n offset += 4\n if (y2 > ymax) ymax = y2\n if (y2 < ymin) ymin = y2\n z2 = view.getFloat32(offset,endian)\n offset += 4\n if (z2 > zmax) zmax = z2\n if (z2 < zmin) zmin = z2\n offset += 2\n }\n var dx = xmax-xmin\n var dy = ymax-ymin\n var dz = zmax-zmin\n //\n // draw mesh\n //\n if (dx > dy) {\n var xo = 0\n var yo = height*.5*(1-dy/dx)\n var xw = width-1\n var yh = (width-1)*dy/dx\n }\n else {\n var xo = width*.5*(1-dx/dy)\n var yo = 0\n var xw = (height-1)*dx/dy\n var yh = height-1\n }\n offset = 80+4\n for (var t = 0; t < triangles; ++t) {\n offset += 3*4\n x0 = view.getFloat32(offset,endian)\n offset += 4\n y0 = view.getFloat32(offset,endian)\n offset += 4\n z0 = view.getFloat32(offset,endian)\n offset += 4\n x1 = view.getFloat32(offset,endian)\n offset += 4\n y1 = view.getFloat32(offset,endian)\n offset += 4\n z1 = view.getFloat32(offset,endian)\n offset += 4\n x2 = view.getFloat32(offset,endian)\n offset += 4\n y2 = view.getFloat32(offset,endian)\n offset += 4\n z2 = view.getFloat32(offset,endian)\n offset += 4\n offset += 2\n line(x0,y0,x1,y1)\n line(x1,y1,x2,y2)\n line(x2,y2,x0,y0)\n }\n //\n // return results and close\n //\n self.postMessage({\n dx:dx,dy:dy,dz:dz,\n image:evt.data.image,mesh:evt.data.mesh},[evt.data.image,evt.data.mesh])\n self.close()\n })\n }\n//\n// return values\n//\nreturn ({\n mod:mod,\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"102.61657499836218","left":"97.22330127332333","inputs":{},"outputs":{}},"0.7269098240824425":{"definition":"//\n// mesh height map\n// \n// Neil Gershenfeld 1/16/20\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 = 'mesh height map'\n//\n// initialization\n//\nvar init = function() {\n mod.mmunits.value = '25.4'\n mod.inunits.value = '1'\n mod.width.value = '500'\n mod.border.value = '0'\n }\n//\n// inputs\n//\nvar inputs = {\n mesh:{type:'STL',\n event:function(evt){\n mod.mesh = new DataView(evt.detail)\n find_limits_map()}}}\n//\n// outputs\n//\nvar outputs = {\n map:{type:'',label:'height map',\n event:function(heightmap){\n var obj = {}\n obj.map = heightmap\n obj.xmin = mod.xmin\n obj.xmax = mod.xmax\n obj.ymin = mod.ymin\n obj.ymax = mod.ymax\n obj.zmin = mod.zmin\n obj.zmax = mod.zmax\n obj.width = mod.img.width\n obj.height = mod.img.height\n mods.output(mod,'map',obj)\n }}}\n//\n// interface\n//\nvar interface = function(div){\n mod.div = div\n //\n // on-screen height map canvas\n //\n div.appendChild(document.createTextNode(' '))\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.mapcanvas = 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 // mesh units\n //\n div.appendChild(document.createTextNode('mesh units: (enter)'))\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('change',function(){\n mod.inunits.value = parseFloat(mod.mmunits.value)/25.4\n find_limits_map()\n })\n div.appendChild(input)\n mod.mmunits = input\n div.appendChild(document.createTextNode(' in: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('change',function(){\n mod.mmunits.value = parseFloat(mod.inunits.value)*25.4\n find_limits_map()\n })\n div.appendChild(input)\n mod.inunits = input\n //\n // mesh size\n //\n div.appendChild(document.createElement('br'))\n div.appendChild(document.createTextNode('mesh size:'))\n div.appendChild(document.createElement('br'))\n var text = document.createTextNode('XxYxZ (units)')\n div.appendChild(text)\n mod.meshsize = text\n div.appendChild(document.createElement('br'))\n var text = document.createTextNode('XxYxZ (mm)')\n div.appendChild(text)\n mod.mmsize = text\n div.appendChild(document.createElement('br'))\n var text = document.createTextNode('XxYxZ (in)')\n div.appendChild(text)\n mod.insize = text\n //\n // height map border \n //\n div.appendChild(document.createElement('br'))\n div.appendChild(document.createTextNode('border: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('change',function(){\n find_limits_map()\n })\n div.appendChild(input)\n mod.border = input\n div.appendChild(document.createTextNode(' (units)'))\n //\n // height map width\n //\n div.appendChild(document.createElement('br'))\n div.appendChild(document.createTextNode('width: '))\n var input = document.createElement('input')\n input.type = 'text'\n input.size = 6\n input.addEventListener('change',function(){\n find_limits_map()\n })\n div.appendChild(input)\n mod.width = input\n div.appendChild(document.createTextNode(' (pixels)'))\n //\n // view height map\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 height map'))\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// find limits then map \n//\nfunction find_limits_map() {\n var blob = new Blob(['('+limits_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 mod.triangles = evt.data.triangles\n mod.xmin = evt.data.xmin\n mod.xmax = evt.data.xmax\n mod.ymin = evt.data.ymin\n mod.ymax = evt.data.ymax\n mod.zmin = evt.data.zmin\n mod.zmax = evt.data.zmax\n mod.dx = mod.xmax-mod.xmin\n mod.dy = mod.ymax-mod.ymin\n mod.dz = mod.zmax-mod.zmin\n mod.meshsize.nodeValue = \n mod.dx.toFixed(3)+' x '+\n mod.dy.toFixed(3)+' x '+\n mod.dz.toFixed(3)+' (units)'\n var mm = parseFloat(mod.mmunits.value)\n mod.mmsize.nodeValue = \n (mod.dx*mm).toFixed(3)+' x '+\n (mod.dy*mm).toFixed(3)+' x '+\n (mod.dz*mm).toFixed(3)+' (mm)'\n var inches = parseFloat(mod.inunits.value)\n mod.insize.nodeValue = \n (mod.dx*inches).toFixed(3)+' x '+\n (mod.dy*inches).toFixed(3)+' x '+\n (mod.dz*inches).toFixed(3)+' (in)'\n mods.fit(mod.div)\n map_mesh()\n })\n var border = parseFloat(mod.border.value)\n webworker.postMessage({\n mesh:mod.mesh,\n border:border})\n }\nfunction limits_worker() {\n self.addEventListener('message',function(evt) {\n var view = evt.data.mesh\n var border = evt.data.border\n //\n // get vars\n //\n var endian = true\n var triangles = view.getUint32(80,endian)\n var size = 80+4+triangles*(4*12+2)\n //\n // find limits\n //\n var offset = 80+4\n var x0,x1,x2,y0,y1,y2,z0,z1,z2\n var xmin = Number.MAX_VALUE\n var xmax = -Number.MAX_VALUE\n var ymin = Number.MAX_VALUE\n var ymax = -Number.MAX_VALUE\n var zmin = Number.MAX_VALUE\n var zmax = -Number.MAX_VALUE\n for (var t = 0; t < triangles; ++t) {\n offset += 3*4\n x0 = view.getFloat32(offset,endian)\n offset += 4\n y0 = view.getFloat32(offset,endian)\n offset += 4\n z0 = view.getFloat32(offset,endian)\n offset += 4\n x1 = view.getFloat32(offset,endian)\n offset += 4\n y1 = view.getFloat32(offset,endian)\n offset += 4\n z1 = view.getFloat32(offset,endian)\n offset += 4\n x2 = view.getFloat32(offset,endian)\n offset += 4\n y2 = view.getFloat32(offset,endian)\n offset += 4\n z2 = view.getFloat32(offset,endian)\n offset += 4\n offset += 2\n if (x0 > xmax) xmax = x0\n if (x0 < xmin) xmin = x0\n if (y0 > ymax) ymax = y0\n if (y0 < ymin) ymin = y0\n if (z0 > zmax) zmax = z0\n if (z0 < zmin) zmin = z0\n if (x1 > xmax) xmax = x1\n if (x1 < xmin) xmin = x1\n if (y1 > ymax) ymax = y1\n if (y1 < ymin) ymin = y1\n if (z1 > zmax) zmax = z1\n if (z1 < zmin) zmin = z1\n if (x2 > xmax) xmax = x2\n if (x2 < xmin) xmin = x2\n if (y2 > ymax) ymax = y2\n if (y2 < ymin) ymin = y2\n if (z2 > zmax) zmax = z2\n if (z2 < zmin) zmin = z2\n }\n xmin -= border\n xmax += border\n ymin -= border\n ymax += border\n //\n // return\n //\n self.postMessage({triangles:triangles,\n xmin:xmin,xmax:xmax,ymin:ymin,ymax:ymax,\n zmin:zmin,zmax:zmax})\n self.close()\n })\n }\n//\n// map mesh\n// \nfunction map_mesh() {\n var blob = new Blob(['('+map_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.imgbuffer)\n var map = new Float32Array(evt.data.mapbuffer)\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.mapcanvas.height*.5*(1-h/w)\n var wd = mod.mapcanvas.width\n var hd = mod.mapcanvas.width*h/w\n }\n else {\n var x0 = mod.mapcanvas.width*.5*(1-w/h)\n var y0 = 0\n var wd = mod.mapcanvas.height*w/h\n var hd = mod.mapcanvas.height\n }\n var ctx = mod.mapcanvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.mapcanvas.width,mod.mapcanvas.height)\n ctx.drawImage(mod.img,x0,y0,wd,hd)\n outputs.map.event(map)\n })\n var ctx = mod.mapcanvas.getContext(\"2d\")\n ctx.clearRect(0,0,mod.mapcanvas.width,mod.mapcanvas.height)\n mod.img.width = parseInt(mod.width.value)\n mod.img.height = Math.round(mod.img.width*mod.dy/mod.dx)\n var ctx = mod.img.getContext(\"2d\")\n var img = ctx.getImageData(0,0,mod.img.width,mod.img.height)\n var map = new Float32Array(mod.img.width*mod.img.height)\n webworker.postMessage({\n height:mod.img.height,width:mod.img.width,\n imgbuffer:img.data.buffer,\n mapbuffer:map.buffer,\n mesh:mod.mesh,\n xmin:mod.xmin,xmax:mod.xmax,\n ymin:mod.ymin,ymax:mod.ymax,\n zmin:mod.zmin,zmax:mod.zmax},\n [img.data.buffer,map.buffer])\n }\nfunction map_worker() {\n self.addEventListener('message',function(evt) {\n var h = evt.data.height\n var w = evt.data.width\n var view = evt.data.mesh\n var xmin = evt.data.xmin\n var xmax = evt.data.xmax\n var ymin = evt.data.ymin\n var ymax = evt.data.ymax\n var zmin = evt.data.zmin\n var zmax = evt.data.zmax\n var buf = new Uint8ClampedArray(evt.data.imgbuffer)\n var map = new Float32Array(evt.data.mapbuffer)\n //\n // get vars from buffer\n //\n var endian = true\n var triangles = view.getUint32(80,endian)\n var size = 80+4+triangles*(4*12+2)\n //\n // initialize map and image\n //\n for (var row = 0; row < h; ++row) {\n for (var col = 0; col < w; ++col) {\n map[(h-1-row)*w+col] = zmin\n buf[(h-1-row)*w*4+col*4+0] = 0\n buf[(h-1-row)*w*4+col*4+1] = 0\n buf[(h-1-row)*w*4+col*4+2] = 0\n buf[(h-1-row)*w*4+col*4+3] = 255\n }\n }\n //\n // loop over triangles\n //\n var segs = []\n offset = 80+4\n for (var t = 0; t < triangles; ++t) {\n offset += 3*4\n x0 = view.getFloat32(offset,endian)\n offset += 4\n y0 = view.getFloat32(offset,endian)\n offset += 4\n z0 = view.getFloat32(offset,endian)\n offset += 4\n x1 = view.getFloat32(offset,endian)\n offset += 4\n y1 = view.getFloat32(offset,endian)\n offset += 4\n z1 = view.getFloat32(offset,endian)\n offset += 4\n x2 = view.getFloat32(offset,endian)\n offset += 4\n y2 = view.getFloat32(offset,endian)\n offset += 4\n z2 = view.getFloat32(offset,endian)\n offset += 4\n offset += 2\n //\n // check normal if needs to be drawn\n //\n if (((x1-x0)*(y1-y2)-(x1-x2)*(y1-y0)) >= 0)\n continue\n //\n // quantize image coordinates\n //\n x0 = Math.floor((w-1)*(x0-xmin)/(xmax-xmin))\n x1 = Math.floor((w-1)*(x1-xmin)/(xmax-xmin))\n x2 = Math.floor((w-1)*(x2-xmin)/(xmax-xmin))\n y0 = Math.floor((h-1)*(y0-ymin)/(ymax-ymin))\n y1 = Math.floor((h-1)*(y1-ymin)/(ymax-ymin))\n y2 = Math.floor((h-1)*(y2-ymin)/(ymax-ymin))\n //\n // sort projection order\n //\n if (y1 > y2) {\n var temp = x1;\n x1 = x2;\n x2 = temp\n var temp = y1;\n y1 = y2;\n y2 = temp\n var temp = z1;\n z1 = z2;\n z2 = temp\n }\n if (y0 > y1) {\n var temp = x0;\n x0 = x1;\n x1 = temp\n var temp = y0;\n y0 = y1;\n y1 = temp\n var temp = z0;\n z0 = z1;\n z1 = temp\n }\n if (y1 > y2) {\n var temp = x1;\n x1 = x2;\n x2 = temp\n var temp = y1;\n y1 = y2;\n y2 = temp\n var temp = z1;\n z1 = z2;\n z2 = temp\n }\n //\n // check orientation after sort\n //\n if (x1 < (x0+((x2-x0)*(y1-y0))/(y2-y0)))\n var dir = 1;\n else\n var dir = -1;\n //\n // set z values\n //\n if (y2 != y1) {\n for (var y = y1; y <= y2; ++y) {\n x12 = Math.floor(0.5+x1+(y-y1)*(x2-x1)/(y2-y1))\n z12 = z1+(y-y1)*(z2-z1)/(y2-y1)\n x02 = Math.floor(0.5+x0+(y-y0)*(x2-x0)/(y2-y0))\n z02 = z0+(y-y0)*(z2-z0)/(y2-y0)\n if (x12 != x02)\n var slope = (z02-z12)/(x02-x12)\n else\n var slope = 0\n var x = x12 - dir\n while (x != x02) {\n x += dir\n var z = z12+slope*(x-x12)\n if (z > map[(h-1-y)*w+x]) {\n map[(h-1-y)*w+x] = z\n var iz = Math.floor(255*(z-zmin)/(zmax-zmin))\n buf[(h-1-y)*w*4+x*4+0] = iz\n buf[(h-1-y)*w*4+x*4+1] = iz\n buf[(h-1-y)*w*4+x*4+2] = iz\n }\n }\n }\n }\n if (y1 != y0) {\n for (var y = y0; y <= y1; ++y) {\n x01 = Math.floor(0.5+x0+(y-y0)*(x1-x0)/(y1-y0))\n z01 = z0+(y-y0)*(z1-z0)/(y1-y0)\n x02 = Math.floor(0.5+x0+(y-y0)*(x2-x0)/(y2-y0))\n z02 = z0+(y-y0)*(z2-z0)/(y2-y0)\n if (x01 != x02)\n var slope = (z02-z01)/(x02-x01)\n else\n var slope = 0\n var x = x01 - dir\n while (x != x02) {\n x += dir\n var z = z01+slope*(x-x01)\n if (z > map[(h-1-y)*w+x]) {\n map[(h-1-y)*w+x] = z\n var iz = Math.floor(255*(z-zmin)/(zmax-zmin))\n buf[(h-1-y)*w*4+x*4+0] = iz\n buf[(h-1-y)*w*4+x*4+1] = iz\n buf[(h-1-y)*w*4+x*4+2] = iz\n }\n }\n }\n }\n }\n //\n // output the map\n //\n self.postMessage({imgbuffer:buf.buffer,mapbuffer:map.buffer},[buf.buffer,map.buffer])\n self.close()\n })\n }\n//\n// return values\n//\nreturn ({\n mod:mod,\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n","top":"228.40801751128484","left":"523.2621169675592","inputs":{},"outputs":{}},"0.536212242526729":{"definition":"//\n// mill raster 3D\n//\n// Neil Gershenfeld 1/18/20\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 3D (incomplete)'\n//\n// initialization\n//\nvar init = function() {\n mod.dia_in.value = '0.0156'\n mod.dia_mm.value = '0.39624'\n mod.stepover.value = '0.5'\n mod.error.value = '1'\n }\n//\n// inputs\n//\nvar inputs = {\n map:{type:'',label:'height map',\n event:function(evt){\n mod.map = evt.detail.map\n mod.width = evt.detail.width\n mod.height = evt.detail.height\n mod.xmin = evt.detail.xmin\n mod.xmax = evt.detail.xmax\n mod.ymin = evt.detail.ymin\n mod.ymax = evt.detail.ymax\n mod.zmin = evt.detail.zmin\n mod.zmax = evt.detail.zmax\n var ctx = mod.img.getContext(\"2d\")\n ctx.canvas.width = mod.width\n ctx.canvas.height = mod.height\n }}}\n//\n// outputs\n//\nvar outputs = {\n toolpath:{type:'',\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// 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 // stepover\n //\n div.appendChild(document.createTextNode('stepover (0-1): '))\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.createElement('br'))\n //\n // tool shape\n //\n div.appendChild(document.createTextNode('tool shape: '))\n var input = document.createElement('input')\n input.type = 'radio'\n input.name = mod.div.id+'shape'\n input.id = mod.div.id+'flatend'\n input.checked = true\n div.appendChild(input)\n mod.flatend= input\n div.appendChild(document.createTextNode('flat end'))\n div.appendChild(document.createElement('br'))\n //\n // direction \n //\n div.appendChild(document.createTextNode('direction: '))\n var input = document.createElement('input')\n input.type = 'radio'\n input.name = mod.div.id+'direction'\n input.id = mod.div.id+'dirx'\n input.checked = true\n div.appendChild(input)\n mod.dirx = input\n div.appendChild(document.createTextNode('xz'))\n div.appendChild(document.createElement('br'))\n //\n // fit error \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 // 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 calculate_path()\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// calculate_path\n//\nfunction calculate_path() {\n var h = mod.height\n var w = mod.width\n var xmin = mod.xmin\n var xmax = mod.xmax\n var ymin = mod.ymin\n var ymax = mod.ymax\n var zmin = mod.zmin\n var zmax = mod.zmax\n //\n // clear SVG\n //\n var svg = document.getElementById(mod.div.id+'svg')\n svg.setAttribute('viewBox',\"0 0 \"+(w-1)+\" \"+(h-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 // line loop\n //\n var ix = 0\n var iy = h-1\n var dx = 1\n var dy = 0\n var x = xmin+(xmax-xmin)*ix/(w-1)\n var y = ymin+(ymax-ymin)*iy/(h-1)\n var z = mod.map[(h-1-iy)*w+ix]\n var dz = h*(zmax-z)/(ymax-ymin)\n while (1) {\n var ixp = ix\n var iyp = iy\n var dzp = dz\n ix += dx\n iy += dy\n if (iy <= 0)\n break;\n var x = xmin+(xmax-xmin)*ix/(w-1)\n var y = ymin+(ymax-ymin)*iy/(h-1)\n var z = mod.map[iy*w+ix]\n var dz = 0.1*h*(zmax-z)/(zmax-zmin)\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 line.setAttribute('x1',ixp)\n line.setAttribute('y1',iyp+dzp)\n line.setAttribute('x2',ix)\n line.setAttribute('y2',iy+dz)\n g.appendChild(line)\n if (ix == (mod.width-1)) {\n if (dx == 1) {\n dx = 0\n dy = -10\n }\n else {\n dx = -1\n dy = 0\n }\n }\n else if (ix == 0) {\n if (dx == -1) {\n dx = 0\n dy = -10\n }\n else {\n dx = 1\n dy = 0\n }\n }\n }\n mod.label.nodeValue = 'calculate'\n mod.labelspan.style.fontWeight = 'normal'\n }\n\n//\n// clear_path\n//\nfunction clear_path() {\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 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 mod:mod,\n name:name,\n init:init,\n inputs:inputs,\n outputs:outputs,\n interface:interface\n })\n}())\n\n","top":"112.66259275401453","left":"950.4095131219412","inputs":{},"outputs":{}}},"links":["{\"source\":\"{\\\"id\\\":\\\"0.9903638182304415\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"mesh\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.7269098240824425\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"mesh\\\"}\"}","{\"source\":\"{\\\"id\\\":\\\"0.7269098240824425\\\",\\\"type\\\":\\\"outputs\\\",\\\"name\\\":\\\"map\\\"}\",\"dest\":\"{\\\"id\\\":\\\"0.536212242526729\\\",\\\"type\\\":\\\"inputs\\\",\\\"name\\\":\\\"map\\\"}\"}"]}
\ No newline at end of file