From 090bdf248ac2ddce82b3f564d530bdb686906d91 Mon Sep 17 00:00:00 2001
From: casperlamboo <casperlamboo@gmail.com>
Date: Thu, 11 Jun 2015 14:34:30 +0200
Subject: [PATCH] Added slice abstraction to Slice class

---
 settings/user_settings.json       |   3 +-
 slice_test.html                   |  26 +++-
 src/box.js                        |   6 +-
 src/slice.js                      |  70 ++++++++++
 src/slicer.js                     | 213 ++++++++++++++----------------
 src/slicerworker.js               |   2 +-
 webworker/benchmark.js            |   9 --
 webworker/worker.js               |  57 ++++----
 webworker_benchmark.html          |  74 -----------
 webworker_benchmark_resutaten.txt |  19 ---
 webworker_test.html               |   4 +-
 11 files changed, 221 insertions(+), 262 deletions(-)
 create mode 100644 src/slice.js
 delete mode 100644 webworker/benchmark.js
 delete mode 100644 webworker_benchmark.html
 delete mode 100644 webworker_benchmark_resutaten.txt

diff --git a/settings/user_settings.json b/settings/user_settings.json
index 9715865..3994c88 100644
--- a/settings/user_settings.json
+++ b/settings/user_settings.json
@@ -11,7 +11,8 @@
 	"printer.retraction.speed": 50, 
 	"printer.retraction.minDistance": 5.0, 
 	"printer.shellThickness": 0.4, 
-	"printer.speed": 50.0, 
+	"printer.speed": 50.0,
+	"printer.brimOffset": 5.0,  
 	"printer.temperature": 210.0, 
 	"printer.topThickness": 0.8, 
 	"printer.travelSpeed": 200.0, 
diff --git a/slice_test.html b/slice_test.html
index d6dc373..66bcf44 100644
--- a/slice_test.html
+++ b/slice_test.html
@@ -14,6 +14,7 @@
 <script src="src/paths.js"></script>
 <script src="src/gcode.js"></script>
 <script src="src/slicer.js"></script>
+<script src="src/slice.js"></script>
 
 <style>
 canvas {border: 1px solid black;}
@@ -36,7 +37,7 @@ function init () {
 	var printer = new D3D.Printer().updateConfig(USER_SETTINGS).updateConfig(PRINTER_SETTINGS["ultimaker"]);
 
 	var loader = new THREE.STLLoader();
-	loader.load('models/support_test.stl', function (geometry) {
+	loader.load('models/pokemon/pikachu.stl', function (geometry) {
 		//var geometry = new THREE.BoxGeometry(10, 10, 10, 1, 1, 1);
 		//var geometry = new THREE.SphereGeometry(10, 20, 10);
 		//var geometry = new THREE.TorusGeometry(20, 10, 30, 30);
@@ -159,6 +160,8 @@ function createScene () {
 
 //loadSettings;
 (function () {
+	'use strict';
+
 	var loadedItems = 0;
 	function loaded () {
 		loadedItems ++;
@@ -167,13 +170,22 @@ function createScene () {
 		}
 	}
 
-	loadSettings("settings/user_settings.json", function (data) {
-		USER_SETTINGS = data;
-		loaded();
+	$.ajax({
+		url: 'settings/user_settings.json', 
+		dataType: 'json', 
+		success: function (response) {
+			USER_SETTINGS = response;
+			loaded();
+		}
 	});
-	loadSettings("settings/printer_settings.json", function (data) {
-		PRINTER_SETTINGS = data;
-		loaded();
+
+	$.ajax({
+		url: 'settings/printer_settings.json', 
+		dataType: 'json', 
+		success: function (response) {
+			PRINTER_SETTINGS = response;
+			loaded();
+		}
 	});
 })();
 </script>
diff --git a/src/box.js b/src/box.js
index 4a082f5..1dbe677 100644
--- a/src/box.js
+++ b/src/box.js
@@ -133,10 +133,9 @@ D3D.Box.prototype.print = function (gcode) {
 
 	this.currentBatch = 0;
 
-	//clone gcode to remove array links
-	gcode = gcode.clone();
+	gcode = gcode.split("\n");
 
-	//gcode split in batches
+	//split gcode in batches
 	while (gcode.length > 0) {
 		var gcodeBatch = gcode.splice(0, Math.min(this.batchSize, gcode.length));
 		this.printBatches.push(gcodeBatch);
@@ -158,6 +157,7 @@ D3D.Box.prototype.printBatch = function () {
 	}, function (error, data) {
 		if (error) {
 			scope.printBatches.unshift(gcode);
+			
 			console.warn(error);
 			scope.init();
 
diff --git a/src/slice.js b/src/slice.js
new file mode 100644
index 0000000..5570c50
--- /dev/null
+++ b/src/slice.js
@@ -0,0 +1,70 @@
+/******************************************************
+*
+* Slice
+*
+******************************************************/
+
+D3D.Slice = function () {
+	'use strict';
+
+	this.parts = [];
+};
+D3D.Slice.prototype.optimizePaths = function (start) {
+	'use strict';
+
+	if (this.brim !== undefined && this.brim.length > 0) {
+		this.brim = this.brim.optimizePath(start);
+		start = this.brim.lastPoint();
+	}
+
+	//instead of for loop pick the closest shape to start;
+	for (var i = 0; i < this.parts.length; i ++) {
+		var part = this.parts[i];
+
+		if (part.outerLine.length > 0) {
+			part.outerLine = part.outerLine.optimizePath(start);
+			start = part.outerLine.lastPoint();
+		}
+
+		for (var j = 0; j < part.innerLines.length; j ++) {
+			var innerLine = part.innerLines[j];
+			if (innerLine.length > 0) {
+				part.innerLines[j] = innerLine.optimizePath(start);
+				//start = part.innerLines[j].lastPoint();
+			}
+		}
+
+		if (part.fill.length > 0) {
+			part.fill = part.fill.optimizePath(start);
+			start = part.fill.lastPoint();
+		}
+	}
+
+	if (this.support !== undefined && this.support.length > 0) {
+		this.support = this.support.optimizePath(start);
+		//start = this.support.lastPoint();
+	}
+
+	return start;
+};
+D3D.Slice.prototype.getOutline = function () {
+	'use strict';
+
+	var outLines = new D3D.Paths([], true);
+
+	for (var i = 0; i < this.parts.length; i ++) {
+		outLines.join(this.parts[i].outerLine);
+	}
+
+	return outLines;
+};
+D3D.Slice.prototype.addIntersect = function (intersect) {
+	'use strict';
+
+	this.parts.push({
+		intersect: intersect, 
+		innerLines: [],
+		outerLine: new D3D.Paths([], true), 
+		fill: new D3D.Paths([], false)
+	});
+};
\ No newline at end of file
diff --git a/src/slicer.js b/src/slicer.js
index 41a45a3..83b817c 100644
--- a/src/slicer.js
+++ b/src/slicer.js
@@ -120,6 +120,7 @@ D3D.Slicer.prototype.createLines = function () {
 };
 D3D.Slicer.prototype.slice = function (layerHeight, height) {
 	"use strict";
+
 	var numLayers = height / layerHeight;
 
 	var layersIntersections = [];
@@ -169,7 +170,7 @@ D3D.Slicer.prototype.slice = function (layerHeight, height) {
 		}
 
 		var done = [];
-		var slice = [];
+		var sliceParts = [];
 		for (var i = 0; i < layerIntersections.length; i ++) {
 			var index = layerIntersections[i];
 
@@ -242,39 +243,32 @@ D3D.Slicer.prototype.slice = function (layerHeight, height) {
 
 				//think this check is not nescesary, always higher as 0
 				if (shape.length > 0) {
-					slice.push(new D3D.Paths([shape], true));
+					sliceParts.push(new D3D.Paths([shape], true));
 				}
 			}
 		}
 
+		var slice = new D3D.Slice();
 
-		var layerParts = [];
-
-		for (var i = 0; i < slice.length; i ++) {
-			var layerPart1 = slice[i];
+		for (var i = 0; i < sliceParts.length; i ++) {
+			var slicePart1 = sliceParts[i];
 			var merge = false;
 
-			for (var j = 0; j < layerParts.length; j ++) {
-				var layerPart2 = layerParts[j];
+			for (var j = 0; j < slice.parts.length; j ++) {
+				var slicePart2 = slice.parts[j].intersect;
 
-				if (layerPart2.intersect(layerPart1).length > 0) {
-					layerPart2.join(layerPart1);
+				if (slicePart2.intersect(slicePart1).length > 0) {
+					slicePart2.join(slicePart1);
 					merge = true;
 					break;
 				}
 			}
 			if (!merge) {
-				layerParts.push(layerPart1);
+				slice.addIntersect(slicePart1);
 			}
 		}
 
-		//stop when ther are no intersects
-		if (layerParts.length > 0) {
-			slices.push(layerParts);
-		}
-		else {
-			break;
-		}
+		slices.push(slice);
 
 		this.progress.sliceLayer = layer;
 		this.updateProgress();
@@ -299,6 +293,7 @@ D3D.Slicer.prototype.slicesToData = function (slices, printer) {
 	var supportMargin = printer.config["printer.support.margin"] * scale;
 	var plateSize = printer.config["printer.support.plateSize"] * scale;
 	var supportDistanceY = printer.config["printer.support.distanceY"];
+	var brimOffset = printer.config["printer.brimOffset"] * scale;
 
 	var supportDistanceLayers = Math.ceil(supportDistanceY / layerHeight);
 	var bottomSkinCount = Math.ceil(bottomThickness/layerHeight);
@@ -312,81 +307,63 @@ D3D.Slicer.prototype.slicesToData = function (slices, printer) {
 		bottom: this.geometry.boundingBox.max.x * scale
 	}, fillSize, true, true);
 
-	var data = [];
-
-	//generate outerLayer and insets
+	console.log("generating outer lines and inner lines");
 	for (var layer = 0; layer < slices.length; layer ++) {
 		var slice = slices[layer];
 
-		var layerData = [];
-		data.push(layerData);
+		for (var i = 0; i < slice.parts.length; i ++) {
+			var part = slice.parts[i];
 
-		for (var i = 0; i < slice.length; i ++) {
-			var part = slice[i];
+			var outerLine = part.intersect.clone().scaleUp(scale).offset(-nozzleRadius);
 
-			var outerLayer = part.clone().scaleUp(scale).offset(-nozzleRadius);
+			if (outerLine.length > 0) {
+				part.outerLine = outerLine;
 
-			var insets = new D3D.Paths([], true);
-			if (outerLayer.length > 0) {
 				for (var offset = nozzleDiameter; offset <= shellThickness; offset += nozzleDiameter) {
-					var inset = outerLayer.offset(-offset);
+					var innerLine = outerLine.offset(-offset);
 
-					insets.join(inset);
+					if (innerLine.length > 0) {
+						part.innerLines.push(innerLine);
+					}
+					else {
+						break;
+					}
 				}
-
-				layerData.push({
-					outerLayer: outerLayer, 
-					insets: insets
-				});
 			}
 		}
 	}
 
-	//generate infills
-	for (var layer = 0; layer < data.length; layer ++) {
-		var slice = data[layer];
+	console.log("generating infills");
+	for (var layer = 0; layer < slices.length; layer ++) {
+		var slice = slices[layer];
 		
-		var downSkin = new D3D.Paths([], true);
-		if (layer - bottomSkinCount >= 0) {
-			var downLayer = data[layer - bottomSkinCount];
-			for (var i = 0; i < downLayer.length; i ++) {
-				downSkin.join(downLayer[i].outerLayer);
-			}
-		}
-		var upSkin = new D3D.Paths([], true);
-		if (layer + topSkinCount < data.length) {
-			var upLayer = data[layer + topSkinCount];
-			for (var i = 0; i < upLayer.length; i ++) {
-				upSkin.join(upLayer[i].outerLayer);
-			}
-		}
-		var surroundingLayer = upSkin.intersect(downSkin);
-		var sliceData = [];
+		var downSkin = (layer - bottomSkinCount >= 0) ? slices[layer - bottomSkinCount].getOutline() : new D3D.Paths([], true);
+		var upSkin = (layer + topSkinCount < slices.length) ? slices[layer + topSkinCount].getOutline() : new D3D.Paths([], true);
+		var surroundingLayer = (downSkin.length === 0 || upSkin.length === 0) ? new D3D.Paths([], true) : upSkin.intersect(downSkin);
 
-		for (var i = 0; i < slice.length; i ++) {
-			var part = slice[i];
-			var outerLayer = part.outerLayer;
-			var insets = part.insets;
+		for (var i = 0; i < slice.parts.length; i ++) {
+			var part = slice.parts[i];
+			var outerLine = part.outerLine;
 
-			if (outerLayer.length > 0) {
-				var fillArea = ((insets.length > 0) ? insets : outerLayer).offset(-nozzleRadius);
+			if (outerLine.length > 0) {
+				var inset = ((part.innerLines.length > 0) ? part.innerLines[part.innerLines.length - 1] : outerLine);
+
+				var fillArea = inset.offset(-nozzleRadius);
 				var highFillArea = fillArea.difference(surroundingLayer);
 				var lowFillArea = fillArea.difference(highFillArea);
 
 				var fill = new D3D.Paths([], false);
 
 				if (lowFillTemplate.length > 0) {
-					fill.join(lowFillTemplate.intersect(lowFillArea));
+					part.fill.join(lowFillTemplate.intersect(lowFillArea));
 				}
 
 				if (highFillArea.length > 0) {
 					var bounds = highFillArea.bounds();
 					var even = (layer % 2 === 0);
 					var highFillTemplate = this.getFillTemplate(bounds, nozzleDiameter, even, !even);
-					fill.join(highFillTemplate.intersect(highFillArea));
+					part.fill.join(highFillTemplate.intersect(highFillArea));
 				}
-
-				part.fill = fill;
 			}
 		}
 
@@ -394,8 +371,9 @@ D3D.Slicer.prototype.slicesToData = function (slices, printer) {
 		this.updateProgress();
 	}
 
-	//generate support
 	if (useSupport) {
+		console.log("generating support");
+
 		var supportTemplate = this.getFillTemplate({
 			left: this.geometry.boundingBox.min.z * scale, 
 			top: this.geometry.boundingBox.min.x * scale, 
@@ -405,90 +383,84 @@ D3D.Slicer.prototype.slicesToData = function (slices, printer) {
 
 		var supportAreas = new D3D.Paths([], true);
 
-		for (var layer = data.length - 1 - supportDistanceLayers; layer >= 0; layer --) {
+		for (var layer = slices.length - 1 - supportDistanceLayers; layer >= 0; layer --) {
 			if (supportAreas.length > 0) {
 
 				if (layer >= supportDistanceLayers) {
-					var sliceSkin = new D3D.Paths([], true);
-					var slice = data[layer - supportDistanceLayers];
-
-					for (var i = 0; i < slice.length; i ++) {
-						sliceSkin.join(slice[i].outerLayer);
-					}
+					var sliceSkin = slices[layer - supportDistanceLayers].getOutline();
 					sliceSkin = sliceSkin.offset(supportMargin);
 
 					supportAreas = supportAreas.difference(sliceSkin);
 				}
 
-				var currentSlice = data[layer];
+				var currentSlice = slices[layer];
 
 				if (layer === 0) {
 					supportAreas = supportAreas.offset(plateSize).difference(sliceSkin);
 
 					var template = this.getFillTemplate(supportAreas.bounds(), nozzleDiameter, true, false);
 
-					currentSlice[0].support = template.intersect(supportAreas);
+					currentSlice.support = template.intersect(supportAreas);
 				}
 				else {
-					currentSlice[0].support = supportTemplate.intersect(supportAreas).join(supportAreas.clone());
+					currentSlice.support = supportTemplate.intersect(supportAreas).join(supportAreas.clone());
 				}
 			}
 
-			var supportSlice = data[layer + supportDistanceLayers - 1];
-			var supportSkin = new D3D.Paths([], true);
-			for (var i = 0; i < supportSlice.length; i ++) {
-				//supportSkin = supportSkin.union(supportSlice[i].outerLayer);
-				supportSkin.join(supportSlice[i].outerLayer);
-			}
+			var supportSkin = slices[layer + supportDistanceLayers - 1].getOutline();
 
-			var slice = data[layer + supportDistanceLayers];
-			for (var i = 0; i < slice.length; i ++) {
-				var slicePart = slice[i];
-				var outerLayer = slicePart.outerLayer;
+			var slice = slices[layer + supportDistanceLayers];
+			for (var i = 0; i < slice.parts.length; i ++) {
+				var slicePart = slice.parts[i];
+				var outerLine = slicePart.outerLine;
 
-				var overlap = supportSkin.offset(supportAccaptanceMargin).intersect(outerLayer);
-				var overhang = outerLayer.difference(overlap);
+				var overlap = supportSkin.offset(supportAccaptanceMargin).intersect(outerLine);
+				var overhang = outerLine.difference(overlap);
 
 				if (overlap.length === 0 || overhang.length > 0) {
-					//var supportArea = outerLayer.difference(supportSkin.intersect(outerLayer));
+					//var supportArea = outerLine.difference(supportSkin.intersect(outerLine));
 					//supportAreas = supportAreas.union(supportArea);
 
 					//supportAreas = supportAreas.union(overhang);
 
-					supportAreas = supportAreas.union(overhang.offset(supportAccaptanceMargin).intersect(outerLayer));
+					supportAreas = supportAreas.union(overhang.offset(supportAccaptanceMargin).intersect(outerLine));
 				}
 			}
 		}
 	}
 
-	//finalize paths
+	console.log("opimize paths");
 	var start = new THREE.Vector2(0, 0);
-	var order = ["outerLayer", "insets", "fill", "support"];
 
-	for (var layer = 0; layer < data.length; layer ++) {
-		var slice = data[layer];
+	for (var layer = 0; layer < slices.length; layer ++) {
+		var slice = slices[layer];
 
-		for (var i = 0; i < slice.length; i ++) {
-			var part = slice[i];
+		if (layer === 0) {
+			slice.brim = slice.getOutline().offset(brimOffset);
+		}
 
-			for (var j = 0; j < order.length; j ++) {
-				var property = order[j];
-				if (part[property] !== undefined && part[property].length > 0) {
-					part[property] = part[property].optimizePath(start);
-					start = part[property].lastPoint();
-				}
+		var start = slice.optimizePaths(start);
+
+		for (var i = 0; i < slice.parts.length; i ++) {
+			var part = slice.parts[i];
+
+			part.outerLine.scaleDown(scale);
+			for (var j = 0; j < part.innerLines.length; j ++) {
+				var innerLine = part.innerLines[j];
+				innerLine.scaleDown(scale);
 			}
+			part.fill.scaleDown(scale);
+		}
 
-			part.outerLayer.scaleDown(100);
-			part.insets.scaleDown(100);
-			part.fill.scaleDown(100);
-			if (part.support !== undefined) {
-				part.support.scaleDown(100);
-			}
+		if (slice.support !== undefined) {
+			slice.support.scaleDown(scale);
+		}
+		if (slice.brim !== undefined) {
+			slice.brim.scaleDown(scale);
 		}
 	}
 	
-	return data;
+	return slices;
 };
 
 D3D.Slicer.prototype.getFillTemplate = function (bounds, size, even, uneven) {
@@ -550,16 +522,23 @@ D3D.Slicer.prototype.dataToGCode = function (data, printer) {
 			gcode.bottom = false;
 		}
 
-		for (var i = 0; i < slice.length; i ++) {
-			var layerPart = slice[i];
+		if (slice.brim !== undefined) {
+			sliceToGCode(slice.brim, true, true);
+		}
 
-			sliceToGCode(layerPart.outerLayer, false, true);
-			sliceToGCode(layerPart.insets, false, false);
-			sliceToGCode(layerPart.fill, true, false);
+		for (var i = 0; i < slice.parts.length; i ++) {
+			var part = slice.parts[i];
 
-			if (layerPart.support !== undefined) {
-				sliceToGCode(layerPart.support, true, true);
+			sliceToGCode(part.outerLine, false, true);
+			for (var j = 0; j < part.innerLines.length; j ++) {
+				var innerLine = part.innerLines[j];
+				sliceToGCode(innerLine, false, false);
 			}
+			sliceToGCode(part.fill, true, false);
+		}
+
+		if (slice.support !== undefined) {
+			sliceToGCode(slice.support, true, true);
 		}
 
 		this.progress.gcodeLayer = layer;
@@ -585,12 +564,12 @@ D3D.Slicer.prototype.getGCode = function (printer) {
 	console.log("Slicing: " + (end - start) + "ms");
 
 	start = new Date().getTime();
-	var data = this.slicesToData(slices, printer);
+	this.slicesToData(slices, printer);
 	end = new Date().getTime();
 	console.log("Data: " + (end - start) + "ms");
 
 	start = new Date().getTime();
-	var gcode = this.dataToGCode(data, printer);
+	var gcode = this.dataToGCode(slices, printer);
 	end = new Date().getTime();
 	console.log("Gcode: " + (end - start) + "ms");
 
diff --git a/src/slicerworker.js b/src/slicerworker.js
index e5a2388..211a44b 100644
--- a/src/slicerworker.js
+++ b/src/slicerworker.js
@@ -19,7 +19,7 @@ D3D.SlicerWorker = function () {
 				if (scope.onfinish !== undefined) {
 					var reader = new FileReader();
 					reader.addEventListener("loadend", function() {
-						var gcode = reader.result.split("\n");
+						var gcode = reader.result;
 						scope.onfinish(gcode);
 					});
 					reader.readAsBinaryString(event.data['gcode']);
diff --git a/webworker/benchmark.js b/webworker/benchmark.js
deleted file mode 100644
index 2ae3288..0000000
--- a/webworker/benchmark.js
+++ /dev/null
@@ -1,9 +0,0 @@
-self.addEventListener("message", function (event) {
-	"use strict";
-
-	//console.log(event.data);
-
-	if (event.data === "close") {
-		self.close();
-	}
-});
\ No newline at end of file
diff --git a/webworker/worker.js b/webworker/worker.js
index 68c0571..034f676 100644
--- a/webworker/worker.js
+++ b/webworker/worker.js
@@ -1,58 +1,57 @@
-importScripts("../library/three.js");
-importScripts("../library/clipper.js");
-importScripts("../src/utils.js");
-importScripts("../src/printer.js");
-importScripts("../src/paths.js");
-importScripts("../src/slicer.js");
-importScripts("../src/gcode.js");
+importScripts('../library/three.js');
+importScripts('../library/clipper.js');
+importScripts('../src/utils.js');
+importScripts('../src/printer.js');
+importScripts('../src/paths.js');
+importScripts('../src/slicer.js');
+importScripts('../src/gcode.js');
+importScripts('../src/slice.js');
 
 var printer = new D3D.Printer();
 var slicer = new D3D.Slicer();
 slicer.onProgress = function (progress) {
-	"use strict";
+	'use strict';
 
 	self.postMessage({
-		"cmd": "PROGRESS", 
-		"progress": progress
+		'cmd': 'PROGRESS', 
+		'progress': progress
 	});
-
 };
 
-self.addEventListener("message", function (event) {
-	"use strict";
+self.addEventListener('message', function (event) {
+	'use strict';
 
-	switch (event.data["cmd"]) {
-		case "SET_MESH": 
-			
+	switch (event.data['cmd']) {
+		case 'SET_MESH': 
 			//hack...
-			//because boundings loses functions when converting
-			event.data["geometry"].boundingBox = event.data["geometry"].boundingSphere = null;
+			//because boundings loses prototype functions when converting
+			event.data['geometry'].boundingBox = event.data['geometry'].boundingSphere = null;
 			
-			var geometry = new THREE.Geometry().fromBufferGeometry(event.data["geometry"]);
-			var matrix = new THREE.Matrix4().fromArray(event.data["matrix"]);
+			var geometry = new THREE.Geometry().fromBufferGeometry(event.data['geometry']);
+			var matrix = new THREE.Matrix4().fromArray(event.data['matrix']);
 
 			slicer.setMesh(geometry, matrix);
-
 		break;
 
-		case "SET_SETTINGS":
-			printer.updateConfig(event.data["USER_SETTINGS"]);
-			printer.updateConfig(event.data["PRINTER_SETTINGS"]);
+		case 'SET_SETTINGS':
+			printer.updateConfig(event.data['USER_SETTINGS']);
+			printer.updateConfig(event.data['PRINTER_SETTINGS']);
 		break;
 
-		case "SLICE":
+		case 'SLICE':
 			var gcode = slicer.getGCode(printer);
 			var blob = new Blob([gcode], {type: 'text/plain'});
 
+			//need to send the buffer of blob sepperatly;
+			//not sure how to send that
 			self.postMessage({
-				"cmd": "GCODE", 
-				"gcode": blob
+				'cmd': 'GCODE', 
+				'gcode': blob
 			});
 		break;
 
-		case "CLOSE": 			
+		case 'CLOSE': 
 			self.close();
 		break;
-
 	}
 });
\ No newline at end of file
diff --git a/webworker_benchmark.html b/webworker_benchmark.html
deleted file mode 100644
index 038b7ab..0000000
--- a/webworker_benchmark.html
+++ /dev/null
@@ -1,74 +0,0 @@
-<!DOCTYPE HTML>
-<html lang="en">
-<head>
-<script src="library/benchmark.js"></script>
-<script src="library/three.js"></script>
-
-<title>Doedel Drie Dee || Webworker Benchmark</title>
-<style>
-</style>
-</head>
-<body>
-
-<script>
-var worker = new Worker('webworker/benchmark.js');
-var geometry = new THREE.BoxGeometry(10, 30, 10).clone();
-//var geometry = new THREE.TorusKnotGeometry(10, 3, 200, 200).clone();
-
-new Benchmark.Suite().add('Buffer Geometry', function () {
-
-	var bufferGeometry = new THREE.BufferGeometry().fromGeometry(geometry);
-
-	worker.postMessage(bufferGeometry);
-
-	//this happens in the worker
-	var workerGeometry = new THREE.Geometry().fromBufferGeometry(bufferGeometry);
-	workerGeometry.mergeVertices();
-
-}).add('Buffer Geometry Transferrable Object', function () {
-
-	var bufferGeometry = new THREE.BufferGeometry().fromGeometry(geometry);
-
-	var buffers = [];
-
-	for (var i = 0; i < bufferGeometry.attributesKeys.length; i ++) {
-		var key = bufferGeometry.attributesKeys[i];
-		buffers.push(bufferGeometry.attributes[key].array.buffer);
-	}
-
-	worker.postMessage(bufferGeometry, buffers);
-
-	//this happens in the worker
-	//this is redundant... 
-	//buffers are transferred to worker so the do not exist in this part of the script
-	//[TEST NOT VIABLE]
-	var workerGeometry = new THREE.Geometry().fromBufferGeometry(bufferGeometry);
-	workerGeometry.mergeVertices();
-
-}).add('Geometry JSON', function () {	
-
-	var json = geometry.toJSON().data;
-	worker.postMessage(json);
-
-	//worker.postMessage(geometry);
-
-	//this happens in the worker
-	var loader = new THREE.JSONLoader();
-	var workerGeometry = loader.parse(json).geometry;
-	workerGeometry.mergeVertices();
-
-}).on('cycle', function (event) {
-
-	document.body.innerHTML += "<p>" + String(event.target) + "</p>";
-
-}).on('complete', function () {
-
-	document.body.innerHTML += "<p>" + 'Fastest is "' + this.filter('fastest').pluck('name') + '"' + "</p>";
-
-}).run({
-	'async': true
-});
-</script>
-
-</body>
-</html> 
\ No newline at end of file
diff --git a/webworker_benchmark_resutaten.txt b/webworker_benchmark_resutaten.txt
deleted file mode 100644
index bc3bdda..0000000
--- a/webworker_benchmark_resutaten.txt
+++ /dev/null
@@ -1,19 +0,0 @@
------------ RESULTATEN TORUS KNOT --------------
-
-Buffer Geometry x 0.53 ops/sec ±134.70% (8 runs sampled)
-
-Buffer Geometry Transferrable Object x 63.04 ops/sec ±2.19% (67 runs sampled)
-
-Geometry JSON x 0.50 ops/sec ±6.55% (6 runs sampled)
-
-Fastest is "Buffer Geometry Transferrable Object"
-
------------ RESULTATEN KUBUS --------------
-
-Buffer Geometry x 5,360 ops/sec ±19.42% (85 runs sampled)
-
-Buffer Geometry Transferrable Object x 1,535 ops/sec ±10.17% (35 runs sampled)
-
-Geometry JSON x 3,831 ops/sec ±2.52% (82 runs sampled)
-
-Fastest is "Buffer Geometry"
\ No newline at end of file
diff --git a/webworker_test.html b/webworker_test.html
index e8eab79..7dc8ffa 100644
--- a/webworker_test.html
+++ b/webworker_test.html
@@ -86,7 +86,7 @@ function init () {
 
 		downloadButton.style.display = 'initial';
 		downloadButton.onclick = function () {
-			downloadFile("gcode.gcode", gcode.join('\n'));
+			downloadFile("gcode.gcode", gcode);
 		};
 	};
 
@@ -99,7 +99,7 @@ function init () {
 		var mesh = new THREE.Mesh(geometry, material);
 
 		mesh.rotation.x = -Math.PI/2;
-		mesh.scale.x = mesh.scale.y = mesh.scale.z = 1;
+		mesh.scale.x = mesh.scale.y = mesh.scale.z = 0.5;
 		mesh.position.y = -0.1;
 		mesh.position.x = 60;
 		mesh.position.z = 60;