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Implemented new layer part structure

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This commit is contained in:
casperlamboo 2015-05-13 12:12:15 +02:00
parent 9740c254c2
commit 3a41b73c75
7 changed files with 273 additions and 115 deletions
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1
gulpfile.js
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@ -10,6 +10,7 @@ var files = [
"src/utils.js",
"src/box.js",
"src/printer.js",
"src/paths.js",
"src/path.js",
"src/slicer.js"
];

8
library/clipper.js
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@ -3100,7 +3100,7 @@
if (this.m_ExecuteLocked)
return false;
if (this.m_HasOpenPaths)
//ClipperLib.Error("Error: PolyTree struct is need for open path clipping.");
ClipperLib.Error("Error: PolyTree struct is need for open path clipping.");
this.m_ExecuteLocked = true;
ClipperLib.Clear(solution);
this.m_SubjFillType = subjFillType;
@ -4884,8 +4884,8 @@
else ClipperLib.Clipper.Round = R2; // eg. browser.chrome || browser.firefox || browser.opera
ClipperLib.Clipper.TopX = function (edge, currentY)
{
//if (edge.Bot == edge.Curr) alert ("edge.Bot = edge.Curr");
//if (edge.Bot == edge.Top) alert ("edge.Bot = edge.Top");
//if (edge.Bot == edge.Curr) console.log ("edge.Bot = edge.Curr");
//if (edge.Bot == edge.Top) console.log ("edge.Bot = edge.Top");
if (currentY == edge.Top.Y)
return edge.Top.X;
return edge.Bot.X + ClipperLib.Clipper.Round(edge.Dx * (currentY - edge.Bot.Y));
@ -6596,7 +6596,7 @@
}
catch (err)
{
alert(err.message);
console.log(err.message);
}
};
// ---------------------------------

BIN
models/cube.stl Normal file
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Binary file not shown.

16
slice_test.html
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@ -11,6 +11,7 @@
<script src="src/utils.js"></script>
<script src="src/box.js"></script>
<script src="src/printer.js"></script>
<script src="src/paths.js"></script>
<script src="src/path.js"></script>
<script src="src/slicer.js"></script>
@ -69,7 +70,7 @@ var printerConfig = {
var printer = new D3D.Printer(printerConfig);
var localIp = location.hash.substring(1);
var doodleBox = new D3D.Box(localIp);
//var doodleBox = new D3D.Box(localIp);
//var printer = doodleBox.printer;
var scene = new THREE.Scene();
@ -115,20 +116,29 @@ mesh.position.z = 100;
//scene.add(mesh);
var loader = new THREE.STLLoader();
loader.load("models/cubes.stl", function (geometry) {
loader.load("models/cube.stl", function (geometry) {
var geometry = new THREE.BoxGeometry(10, 10, 10, 1, 1, 1);
var mesh = new THREE.Mesh(geometry, material);
mesh.position.x = 100;
mesh.position.z = 100;
/*
mesh.rotation.x = -Math.PI/2;
mesh.scale.x = mesh.scale.y = mesh.scale.z = 3;
//mesh is lifted a little bit...
mesh.position.y = -0.6552429199218741;
*/
scene.add(mesh);
var slicer = new D3D.Slicer().setMesh(mesh);
var canvas = document.getElementById("canvas");
var context = canvas.getContext("2d");
var img = slicer.drawPaths(printer, 0, 1);
context.drawImage(img, 0, 0);
gcode = slicer.getGcode(printer);
});

99
src/path.js
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@ -9,98 +9,93 @@
D3D.Path = function (path, closed) {
"use strict";
this.path = path || [];
Array.call(this);
this.setPath(path || []);
this.closed = (closed !== undefined) ? closed : true;
};
D3D.Path.prototype = Object.create(Array.prototype);
D3D.Path.prototype.setPath = function (path) {
"use strict";
this.path = path;
for (var i = 0; i < path.length; i ++) {
this.push(path[i]);
}
return this;
};
D3D.Path.prototype.clip = function (path, type) {
"use strict";
var solution = new ClipperLib.Paths();
var clipper = new ClipperLib.Clipper();
clipper.AddPath(this, ClipperLib.PolyType.ptSubject, true);
if (path instanceof D3D.Path) {
clipper.AddPath(path, ClipperLib.PolyType.ptClip, true);
}
else if (path instanceof D3D.Paths) {
clipper.AddPaths(path, ClipperLib.PolyType.ptClip, true);
}
clipper.Execute(type, solution);
return new D3D.Paths(solution, this.closed);
};
D3D.Path.prototype.union = function (path) {
"use strict";
var solution = new ClipperLib.Paths();
var clipper = new ClipperLib.Clipper();
clipper.AddPaths(this.path, ClipperLib.PolyType.ptSubject, this.closed);
clipper.AddPaths(path.path, ClipperLib.PolyType.ptClip, path.closed);
clipper.Execute(ClipperLib.ClipType.ctUnion, solution);
return new D3D.Path(solution, this.closed);
return this.clip(path, ClipperLib.ClipType.ctUnion);
};
D3D.Path.prototype.difference = function (path) {
"use strict";
var solution = new ClipperLib.Paths();
var clipper = new ClipperLib.Clipper();
clipper.AddPaths(this.path, ClipperLib.PolyType.ptSubject, this.closed);
clipper.AddPaths(path.path, ClipperLib.PolyType.ptClip, path.closed);
clipper.Execute(ClipperLib.ClipType.ctDifference, solution);
return new D3D.Path(solution, this.closed);
return this.clip(path, ClipperLib.ClipType.ctDifference);
};
D3D.Path.prototype.intersect = function (path) {
"use strict";
var solution = new ClipperLib.Paths();
var clipper = new ClipperLib.Clipper();
clipper.AddPaths(this.path, ClipperLib.PolyType.ptSubject, this.closed);
clipper.AddPaths(path.path, ClipperLib.PolyType.ptClip, path.closed);
clipper.Execute(ClipperLib.ClipType.ctIntersection, solution);
return new D3D.Path(solution, this.closed);
return this.clip(path, ClipperLib.ClipType.ctIntersection);
};
D3D.Path.prototype.xor = function () {
"use strict";
var solution = new ClipperLib.Paths();
var clipper = new ClipperLib.Clipper();
clipper.AddPaths(this.path, ClipperLib.PolyType.ptSubject, this.closed);
clipper.AddPaths(path.path, ClipperLib.PolyType.ptClip, path.closed);
clipper.Execute(ClipperLib.ClipType.ctXor, solution);
return new D3D.Path(solution, this.closed);
return this.clip(path, ClipperLib.ClipType.ctXor);
};
D3D.Path.prototype.offset = function (offset) {
"use strict";
var solution = new ClipperLib.Paths();
var co = new ClipperLib.ClipperOffset(1, 1);
co.AddPaths(this.path, ClipperLib.JoinType.jtRound, ClipperLib.EndType.etClosedPolygon);
var solution = new ClipperLib.Path();
var co = new ClipperLib.ClipperOffset(2, 0.25);
co.AddPath(this, ClipperLib.JoinType.jtRound, ClipperLib.EndType.etClosedPolygon);
co.Execute(solution, offset);
return new D3D.Path(solution, this.closed);
return new D3D.Path(solution[0], this.closed);
};
D3D.Path.prototype.scaleUp = function (factor) {
"use strict";
var path = ClipperLib.JS.ScaleUpPaths(this.path, factor);
ClipperLib.JS.ScaleUpPath(this, factor);
return this;
};
D3D.Path.prototype.scaleDown = function (factor) {
"use strict";
var path = ClipperLib.JS.ScaleDownPaths(this.path, factor);
var path = ClipperLib.JS.ScaleDownPath(this, factor);
return this;
};
D3D.Path.prototype.tresholdArea = function (minArea) {
"use strict";
for (var i = 0; i < this.path.length; i ++) {
var shape = this.path[i];
for (var i = 0; i < this.length; i ++) {
var shape = this[i];
var area = ClipperLib.Clipper.Area(shape);
if (area < minArea) {
this.path.splice(i, 1);
this.splice(i, 1);
i --;
}
}
@ -110,27 +105,19 @@ D3D.Path.prototype.tresholdArea = function (minArea) {
D3D.Path.prototype.area = function () {
"use strict";
var areas = [];
for (var i = 0; i < this.path.length; i ++) {
var shape = this.path[i];
areas.push(ClipperLib.Clipper.Area(shape))
}
return areas;
return ClipperLib.Clipper.Area(this);
};
D3D.Path.prototype.join = function (path) {
"use strict";
this.path = this.path.concat(path.path);
this.setPath(this.concat(path));
return this;
}
D3D.Path.prototype.clone = function () {
"use strict";
var path = ClipperLib.JS.Clone(this.path);
var path = ClipperLib.JS.Clone(this);
return new D3D.Path(path, this.closed);
}
@ -138,8 +125,8 @@ D3D.Path.prototype.draw = function (context, color) {
"use strict";
context.strokeStyle = color;
for (var i = 0; i < this.path.length; i ++) {
var shape = this.path[i];
for (var i = 0; i < this.length; i ++) {
var shape = this[i];
context.beginPath();
var length = this.closed ? (shape.length + 1) : shape.length;

151
src/paths.js Normal file
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@ -0,0 +1,151 @@
/******************************************************
*
* Path
*
* Abstraction layer for annoying clipper js
*
******************************************************/
D3D.Paths = function (paths) {
"use strict";
Array.call(this);
this.setPaths(paths || []);
this.closed = (this[0] !== undefined) ? this[0].closed : true;
};
D3D.Paths.prototype = Object.create(Array.prototype);
D3D.Paths.prototype.setPaths = function (paths) {
"use strict";
for (var i = 0; i < paths.length; i ++) {
var path = paths[i];
if (!(path instanceof D3D.Path)) {
//console.log("Path not instance of D3D.Path, converting path to D3D.Path");
path = new D3D.Path(path, true);
}
this.push(path);
}
return this;
};
D3D.Paths.prototype.clip = function (path, type) {
"use strict";
var solution = new ClipperLib.Paths();
var clipper = new ClipperLib.Clipper();
clipper.AddPaths(this, ClipperLib.PolyType.ptSubject, this.closed);
if (path instanceof D3D.Paths) {
clipper.AddPaths(path, ClipperLib.PolyType.ptClip, path.closed);
}
else if (path instanceof D3D.Path) {
clipper.AddPath(path, ClipperLib.PolyType.ptClip, path.closed);
}
clipper.Execute(type, solution);
return new D3D.Paths(solution);
};
D3D.Paths.prototype.union = function (path) {
"use strict";
return this.clip(path, ClipperLib.ClipType.ctUnion);
};
D3D.Paths.prototype.difference = function (path) {
"use strict";
return this.clip(path, ClipperLib.ClipType.ctDifference);
};
D3D.Paths.prototype.intersect = function (path) {
"use strict";
return this.clip(path, ClipperLib.ClipType.ctIntersection);
};
D3D.Paths.prototype.xor = function () {
"use strict";
return this.clip(path, ClipperLib.ClipType.ctXor);
};
D3D.Paths.prototype.offset = function (offset) {
"use strict";
var solution = new ClipperLib.Paths();
var co = new ClipperLib.ClipperOffset(1, 1);
co.AddPaths(this, ClipperLib.JoinType.jtRound, ClipperLib.EndType.etClosedPolygon);
co.Execute(solution, offset);
return new D3D.Paths(solution);
};
D3D.Paths.prototype.scaleUp = function (factor) {
"use strict";
var path = ClipperLib.JS.ScaleUpPaths(this, factor);
return this;
};
D3D.Paths.prototype.scaleDown = function (factor) {
"use strict";
var path = ClipperLib.JS.ScaleDownPaths(this, factor);
return this;
};
D3D.Paths.prototype.tresholdArea = function (minArea) {
"use strict";
for (var i = 0; i < this.length; i ++) {
var shape = this[i];
var area = ClipperLib.Clipper.Area(shape);
if (area < minArea) {
this.splice(i, 1);
i --;
}
}
return areas;
};
D3D.Paths.prototype.area = function () {
"use strict";
return ClipperLib.Clipper.Area(this);
};
D3D.Paths.prototype.join = function (path) {
"use strict";
for (var i = 0; i < path.length; i ++) {
this.push(path[i]);
}
return this;
};
D3D.Paths.prototype.clone = function () {
"use strict";
var paths = [];
for (var i = 0; i < this.length; i ++) {
paths.push(this[i].clone());
}
return new D3D.Paths(paths);
};
D3D.Paths.prototype.draw = function (context, color) {
"use strict";
context.strokeStyle = color;
for (var i = 0; i < this.length; i ++) {
var shape = this[i];
context.beginPath();
var length = this.closed ? (shape.length + 1) : shape.length;
for (var j = 0; j < length; j ++) {
var point = shape[j % shape.length];
context.lineTo(point.X*2, point.Y*2);
}
context.stroke();
}
};

113
src/slicer.js
View File

@ -64,27 +64,24 @@ D3D.Slicer.prototype.createLines = function () {
for (var i = 0; i < this.geometry.faces.length; i ++) {
var face = this.geometry.faces[i];
var normal = new THREE.Vector2().set(face.normal.x, face.normal.z).normalize();
//check for only adding unique lines
//returns index of said line
var a = addLine(face.a, face.b);
var b = addLine(face.b, face.c);
var c = addLine(face.c, face.a);
if (!(face.normal.y === 1 || face.normal.y === -1)) {
var normal = new THREE.Vector2().set(face.normal.x, face.normal.z).normalize();
//set connecting lines (based on face)
this.lines[a].connects.push(b, c);
this.lines[b].connects.push(c, a);
this.lines[c].connects.push(a, b);
//check for only adding unique lines
//returns index of said line
var a = addLine(face.a, face.b);
var b = addLine(face.b, face.c);
var c = addLine(face.c, face.a);
this.lines[a].normals.push(normal);
this.lines[b].normals.push(normal);
this.lines[c].normals.push(normal);
//set connecting lines (based on face)
this.lines[a].connects.push(b, c);
this.lines[b].connects.push(c, a);
this.lines[c].connects.push(a, b);
if (face.normal.y === 1 || face.normal.y === -1) {
this.lines[a].ignore ++;
this.lines[b].ignore ++;
this.lines[c].ignore ++;
this.lines[a].normals.push(normal);
this.lines[b].normals.push(normal);
this.lines[c].normals.push(normal);
}
}
};
@ -99,14 +96,12 @@ D3D.Slicer.prototype.slice = function (height, step) {
var min = Math.ceil(Math.min(line.line.start.y, line.line.end.y) / step);
var max = Math.floor(Math.max(line.line.start.y, line.line.end.y) / step);
if (line.ignore < 2) {
for (var layerIndex = min; layerIndex <= max; layerIndex ++) {
if (layerIndex >= 0) {
if (layersIntersections[layerIndex] === undefined) {
layersIntersections[layerIndex] = [];
}
layersIntersections[layerIndex].push(i);
for (var layerIndex = min; layerIndex <= max; layerIndex ++) {
if (layerIndex >= 0) {
if (layersIntersections[layerIndex] === undefined) {
layersIntersections[layerIndex] = [];
}
layersIntersections[layerIndex].push(i);
}
}
}
@ -130,12 +125,12 @@ D3D.Slicer.prototype.slice = function (height, step) {
}
var done = [];
var slice = [];
var slice = new D3D.Paths([], true);
for (var i = 0; i < layerIntersections.length; i ++) {
var index = layerIntersections[i];
if (done.indexOf(index) === -1) {
var shape = [];
var shape = new D3D.Path([], true);
while (index !== -1) {
var intersection = intersections[index];
@ -198,8 +193,7 @@ D3D.Slicer.prototype.slice = function (height, step) {
//stop when ther are no intersects
if (slice.length > 0) {
slices.push(new D3D.Path(slice, true));
//slices.push(slice);
slices.push(slice);
}
else {
break;
@ -228,36 +222,50 @@ D3D.Slicer.prototype.slicesToData = function (slices, printer) {
for (var layer = 0; layer < slices.length; layer ++) {
var slice = slices[layer];
var outerLayer = slice.clone();
outerLayer.scaleUp(scale);
var insets = new D3D.Paths();
var fills = new D3D.Paths();
var outerLayers = new D3D.Paths();
var insets = new D3D.Path();
for (var offset = wallThickness; offset <= shellThickness; offset += wallThickness) {
var inset = outerLayer.offset(-offset);
var downFill = (layer - skinCount >= 0) ? slices[layer - skinCount] : new D3D.Paths();
var upFill = (layer + skinCount < slices.length) ? slices[layer + skinCount] : new D3D.Paths();
//var surroundingLayer = downFill.intersect(upFill);
var surroundingLayer = upFill.clone().scaleUp(scale);
//D3D.Paths surroundingLayer
insets.join(inset);
}
for (var i = 0; i < slice.length; i ++) {
var part = slice[i];
var fillArea = (inset || outerLayer).offset(-wallThickness/2);
var outerLayer = part.clone();
outerLayer.scaleUp(scale);
var downFill = (layer - skinCount >= 0) ? slices[layer - skinCount] : new D3D.Path();
var upFill = (layer + skinCount < slices.length) ? slices[layer + skinCount] : new D3D.Path();
var highFillArea = fillArea.difference(downFill.intersect(upFill).scaleUp(scale));
for (var offset = wallThickness; offset <= shellThickness; offset += wallThickness) {
var inset = outerLayer.offset(-offset);
var lowFillArea = fillArea.difference(highFillArea);
insets.push(inset);
}
var fillArea = (inset || outerLayer).offset(-wallThickness/2);
var highFillArea = fillArea.difference(surroundingLayer);
var lowFillArea = fillArea.difference(highFillArea);
var fill = new D3D.Paths([]);
fills.join(lowFillTemplate.intersect(lowFillArea));
var fill = new D3D.Path([], false);
fill.join(lowFillTemplate.intersect(lowFillArea));
if (highFillArea.path.length > 0) {
var highFillTemplate = this.getFillTemplate(dimensionsZ, wallThickness, (layer % 2 === 0), (layer % 2 === 1));
var highFillStrokes = highFillArea;
fill.join(highFillTemplate.intersect(highFillStrokes));
fills.join(highFillTemplate.intersect(highFillArea));
console.log(highFillTemplate.intersect(highFillArea));
outerLayers.push(outerLayer);
}
data.push({
outerLayer: outerLayer.scaleDown(scale),
outerLayer: outerLayers.scaleDown(scale),
insets: insets.scaleDown(scale),
fill: fill.scaleDown(scale)
fill: fills.scaleDown(scale)
});
}
@ -270,17 +278,17 @@ D3D.Slicer.prototype.getFillTemplate = function (dimension, size, even, uneven)
if (even) {
for (var length = 0; length <= dimension; length += size) {
paths.push([{X: length, Y: 0}, {X: length, Y: dimension}]);
paths.push(new D3D.Path([{X: length, Y: 0}, {X: length, Y: dimension}], false));
}
}
if (uneven) {
for (var length = 0; length <= dimension; length += size) {
paths.push([{X: 0, Y: length}, {X: dimension, Y: length}]);
paths.push(new D3D.Path([{X: 0, Y: length}, {X: dimension, Y: length}], false));
}
}
//return paths;
return new D3D.Path(paths, false);
return new D3D.Paths(paths);
};
D3D.Slicer.prototype.dataToGcode = function (data, printer) {
"use strict";
@ -302,8 +310,8 @@ D3D.Slicer.prototype.dataToGcode = function (data, printer) {
function sliceToGcode (slice) {
var gcode = [];
for (var i = 0; i < slice.path.length; i ++) {
var shape = slice.path[i];
for (var i = 0; i < slice.length; i ++) {
var shape = slice[i];
var previousPoint;
@ -429,6 +437,7 @@ D3D.Slicer.prototype.getGcode = function (printer) {
var data = this.slicesToData(slices, printer);
var end = new Date().getTime();
console.log(data);
console.log("Data: " + (end - start) + "ms");
//return data;