add lattice

files.html

@@ -19,7 +19,6 @@
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href='./js/files.js'>files.js</a><br>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href='./js/mods.js'>mods.js</a><br>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href='./js/modules.js'>modules.js</a><br>
-<i>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;node_modules</i><br>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href='./js/printserver.js'>printserver.js</a><br>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href='./js/programs.js'>programs.js</a><br>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href='./js/serialserver.js'>serialserver.js</a><br>
@@ -74,6 +73,7 @@
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href='./modules/frep/shapes/3D/cube'>cube</a><br>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href='./modules/frep/shapes/3D/cylinder'>cylinder</a><br>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href='./modules/frep/shapes/3D/function'>function</a><br>
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href='./modules/frep/shapes/3D/lattice'>lattice</a><br>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href='./modules/frep/shapes/3D/pyramid'>pyramid</a><br>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href='./modules/frep/shapes/3D/sphere'>sphere</a><br>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href='./modules/frep/shapes/3D/torus'>torus</a><br>

modules/frep/shapes/3D/lattice

+//
+// frep lattice
+//
+// Neil Gershenfeld
+// (c) Massachusetts Institute of Technology 2018
+//
+// 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 = 'frep lattice'
+//
+// initialization
+//
+var init = function() {
+   mod.pitch.value = '.2'
+   mod.thickness.value = '.05'
+   mod.xmin.value = '-1'
+   mod.ymin.value = '-1'
+   mod.zmin.value = '-1'
+   mod.xmax.value = '1'
+   mod.ymax.value = '1'
+   mod.zmax.value = '1'
+   }
+//
+// inputs
+//
+var inputs = {
+   variables:{type:'',
+      event:function(evt){
+         for (var p in evt.detail)
+            mod[p].value = evt.detail[p]
+         outputs.variables.event()
+         outputs.shape.event()
+         }}}
+//
+// outputs
+//
+var outputs = {
+   shape:{type:'',
+      event:function(){
+         var pitch = parseFloat(mod.pitch.value)
+         var thickness = parseFloat(mod.thickness.value)
+         var xmin = parseFloat(mod.xmin.value)
+         var xmax = parseFloat(mod.xmax.value)
+         var ymin = parseFloat(mod.ymin.value)
+         var ymax = parseFloat(mod.ymax.value)
+         var zmin = parseFloat(mod.zmin.value)
+         var zmax = parseFloat(mod.zmax.value)
+         var xfn = `(${thickness}-((X%${pitch})+${pitch})%${pitch})`
+         var yfn = `(${thickness}-((Y%${pitch})+${pitch})%${pitch})`
+         var zfn = `(${thickness}-((Z%${pitch})+${pitch})%${pitch})`
+         var fn = `Math.max(Math.max(${xfn},${yfn}),${zfn})`
+         var xfn = `Math.min(X-(${xmin}),(${xmax})-X)`
+         var yfn = `Math.min(Y-(${ymin}),(${ymax})-Y)`
+         var zfn = `Math.min(Z-(${zmin}),(${zmax})-Z)`
+         var fn = `Math.min(Math.min(Math.min(${xfn},${yfn}),${zfn}),${fn})`
+         var variables = ['X','Y','Z']
+         var limits = [[xmin,xmax],[ymin,ymax],[zmin,zmax]]
+         var type = 'Magnitude'
+         var shape = {function:fn,variables:variables,limits:limits,type:type}
+         mods.output(mod,'shape',shape)}
+         },
+   variables:{type:'',
+      event:function(){
+         var pitch = parseFloat(mod.pitch.value)
+         var thickness = parseFloat(mod.thickness.value)
+         var xmin = parseFloat(mod.xmin.value)
+         var xmax = parseFloat(mod.xmax.value)
+         var ymin = parseFloat(mod.ymin.value)
+         var ymax = parseFloat(mod.ymax.value)
+         var zmin = parseFloat(mod.zmin.value)
+         var zmax = parseFloat(mod.zmax.value)
+         var vars = {pitch:pitch,thickness:thickness,xmin:xmin,ymin:ymin,zmin:zmin,xmax:xmax,ymax:ymax,zmax:zmax}
+         mods.output(mod,'variables',vars)}
+         }}
+//
+// interface
+//
+var interface = function(div){
+   mod.div = div
+   //
+   // pitch
+   //
+   div.appendChild(document.createTextNode('pitch: '))
+   var input = document.createElement('input')
+      input.type = 'text'
+      input.size = 3
+      div.appendChild(input)
+      mod.pitch = input
+   //
+   // thickness
+   //
+   div.appendChild(document.createTextNode(' thickness: '))
+   var input = document.createElement('input')
+      input.type = 'text'
+      input.size = 3
+      div.appendChild(input)
+      mod.thickness = input
+   div.appendChild(document.createElement('br'))
+   //
+   // xmin
+   //
+   div.appendChild(document.createTextNode('xmin: '))
+   var input = document.createElement('input')
+      input.type = 'text'
+      input.size = 3
+      div.appendChild(input)
+      mod.xmin = input
+   //
+   // xmax
+   //
+   div.appendChild(document.createTextNode(' xmax: '))
+   var input = document.createElement('input')
+      input.type = 'text'
+      input.size = 3
+      div.appendChild(input)
+      mod.xmax = input
+   div.appendChild(document.createElement('br'))
+   //
+   // ymin
+   //
+   div.appendChild(document.createTextNode('ymin: '))
+   var input = document.createElement('input')
+      input.type = 'text'
+      input.size = 3
+      div.appendChild(input)
+      mod.ymin = input
+   //
+   // ymax
+   //
+   div.appendChild(document.createTextNode(' ymax: '))
+   var input = document.createElement('input')
+      input.type = 'text'
+      input.size = 3
+      div.appendChild(input)
+      mod.ymax = input
+   div.appendChild(document.createElement('br'))
+   //
+   // zmin
+   //
+   div.appendChild(document.createTextNode('zmin: '))
+   var input = document.createElement('input')
+      input.type = 'text'
+      input.size = 3
+      div.appendChild(input)
+      mod.zmin = input
+   //
+   // zmax
+   //
+   div.appendChild(document.createTextNode(' zmax: '))
+   var input = document.createElement('input')
+      input.type = 'text'
+      input.size = 3
+      div.appendChild(input)
+      mod.zmax = input
+   div.appendChild(document.createElement('br'))
+   //
+   // output button
+   //
+   var btn = document.createElement('button')
+      btn.style.padding = mods.ui.padding
+      btn.style.margin = 1
+      btn.appendChild(document.createTextNode('output'))
+      btn.addEventListener('click',function(){
+         outputs.variables.event()
+         outputs.shape.event()
+         })
+      div.appendChild(btn)
+   }
+//
+// local functions
+//
+;
+//
+// return values
+//
+return ({
+   name:name,
+   init:init,
+   inputs:inputs,
+   outputs:outputs,
+   interface:interface
+   })
+}())

modules/index.js

@@ -44,6 +44,7 @@ module_menu('         cone','modules/frep/shapes/3D/cone')
 module_menu('         cube','modules/frep/shapes/3D/cube')
 module_menu('         cylinder','modules/frep/shapes/3D/cylinder')
 module_menu('         function','modules/frep/shapes/3D/function')
+module_menu('         lattice','modules/frep/shapes/3D/lattice')
 module_menu('         pyramid','modules/frep/shapes/3D/pyramid')
 module_menu('         sphere','modules/frep/shapes/3D/sphere')
 module_menu('         torus','modules/frep/shapes/3D/torus')