Doodle3D-Slicer/build/d3d.js

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/******************************************************
*
* Utils
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* requires jQuery, Three.js
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*
******************************************************/
var D3D = {
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"version": "0.1",
"website": "http://www.doodle3d.com/",
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"contact": "develop@doodle3d.com"
};
//add normal function to Three.js Vector class
THREE.Vector2.prototype.normal = function () {
"use strict";
var x = this.y;
var y = -this.x;
return this.set(x, y);
};
function sendAPI (url, data, callback) {
"use strict";
$.ajax({
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url: url,
type: "POST",
data: data,
dataType: "json",
timeout: 10000,
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success: function (response) {
if (response.status === "success") {
if (callback !== undefined) {
callback(response.data);
}
}
else {
console.warn(response.msg);
}
}
}).fail(function () {
console.warn("Failed connecting to " + url);
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sendAPI(url, data, callback);
});
}
function getAPI (url, callback) {
"use strict";
$.ajax({
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url: url,
dataType: "json",
timeout: 5000,
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success: function (response) {
if (response.status === "success") {
if (callback !== undefined) {
callback(response.data);
}
}
else {
console.warn(response.msg);
}
}
}).fail(function () {
console.warn("Failed connecting to " + url);
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getAPI(url, callback);
});
}
function downloadFile (file, data) {
"use strict";
$(document.createElement("a")).attr({
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download: file,
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href: "data:text/plain," + data
})[0].click();
}
Array.prototype.clone = function () {
"use strict";
var array = [];
for (var i = 0; i < this.length; i ++) {
array[i] = this[i];
}
return array;
};
/******************************************************
*
* Box
* Representation of de Doodle3DBox
* Handles all communication with the doodle box
* JavaScript shell for api communication
* Check http://www.doodle3d.com/help/api-documentation
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*
******************************************************/
//TODO
//Als meerdere clients met box zouden verbinden zal de api te veel requests krijgen waardoor hij crasht
//implimentatie van het veranderen van onder andere naam, netwerkverbinding etc
D3D.Box = function (localIp) {
"use strict";
var self = this;
this.batchSize = 512;
this.maxBufferedLines = 4096;
this.localIp = localIp;
this.api = "http://" + localIp + "/d3dapi/";
this.config = {};
this.printBatches = [];
this.currentBatch = 0;
this.loaded = false;
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this.getConfigAll(function (data) {
self.updateConfig(data);
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self.printer = new D3D.Printer(data);
self.update();
self.loaded = true;
if (self.onload !== undefined) {
self.onload();
}
});
};
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D3D.Box.prototype.updateConfig = function (config) {
"use strict";
for (var i in config) {
if (i.indexOf("doodle3d") === 0) {
this.config[i] = config[i];
}
}
return this;
};
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D3D.Box.prototype.update = function () {
"use strict";
//TODO
//Code is zo op gezet dat maar api call te gelijk is
//Bij error wordt gelijk zelfde data opnieuw gestuurd
//Als DoodleBox ontkoppeld wordt komt er een error in de loop waardoor pagina breekt en ververst moet worden
if (this.printBatches.length > 0 && (this.printer.status["buffered_lines"] + this.batchSize) <= this.maxBufferedLines) {
//if (this.printBatches.length > 0 ) {
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this.printBatch();
}
else {
this.updateState();
}
};
D3D.Box.prototype.updateState = function () {
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//que api calls so they don't overload the d3d box
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"use strict";
var self = this;
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this.getInfoStatus(function (data) {
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self.printer.status = data;
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if (self.onupdate !== undefined) {
self.onupdate(data);
}
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self.update();
});
};
D3D.Box.prototype.print = function (gcode) {
"use strict";
this.currentBatch = 0;
//clone gcode to remove array links
gcode = gcode.clone();
//gcode split in batches
while (gcode.length > 0) {
var gcodeBatch = gcode.splice(0, Math.min(this.batchSize, gcode.length));
this.printBatches.push(gcodeBatch);
}
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return this;
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};
D3D.Box.prototype.printBatch = function () {
"use strict";
var self = this;
var gcode = this.printBatches.shift();
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this.setPrinterPrint({
"start": ((this.currentBatch === 0) ? true : false),
"first": ((this.currentBatch === 0) ? true : false),
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"gcode": gcode.join("\n")
}, function (data) {
console.log("batch sent: " + self.currentBatch, data);
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if (self.printBatches.length > 0) {
//sent new batch
self.currentBatch ++;
}
else {
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//finish sending
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}
self.updateState();
});
};
D3D.Box.prototype.stopPrint = function () {
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"use strict";
this.printBatches = [];
this.currentBatch = 0;
var finishMove = [
"M107 ;fan off",
"G91 ;relative positioning",
"G1 E-1 F300 ;retract the filament a bit before lifting the nozzle, to release some of the pressure",
"G1 Z+0.5 E-5 X-20 Y-20 F9000 ;move Z up a bit and retract filament even more",
"G28 X0 Y0 ;move X/Y to min endstops, so the head is out of the way",
"M84 ;disable axes / steppers",
"G90 ;absolute positioning",
"M104 S180",
";M140 S70",
"M117 Done ;display message (20 characters to clear whole screen)"
];
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this.setPrinterStop({
//"gcode": {}
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"gcode": finishMove.join("\n")
}, function (data) {
console.log("Printer stop command sent");
});
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return this;
};
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//COMMUNICATION SHELL
//see http://www.doodle3d.com/help/api-documentation
D3D.Box.prototype.getConfig = function (keys, callback) {
"use strict";
getAPI(this.api + "config/?" + keys.join("=&") + "=", callback);
return this;
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};
D3D.Box.prototype.getConfigAll = function (callback) {
"use strict";
getAPI(this.api + "config/all", callback);
return this;
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};
D3D.Box.prototype.setConfig = function (data, callback) {
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"use strict";
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var self = this;
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sendAPI(this.api + "config", data, function (response) {
for (var i in response.validation) {
if (response.validation[i] !== "ok") {
delete data[i];
}
}
self.updateConfig(data);
self.printer.updateConfig(data);
if (callback !== undefined) {
callback(response);
}
});
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return this;
};
D3D.Box.prototype.getInfo = function (callback) {
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"use strict";
getAPI(this.api + "info", callback);
return this;
};
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D3D.Box.prototype.getInfoStatus = function (callback) {
"use strict";
getAPI(this.api + "info/status", callback);
return this;
};
D3D.Box.prototype.downloadInfoLogFiles = function () {
//works in google chrome... not tested in other browsers
//some browsers may redirect using this code
"use strict";
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window.location = this.api + "info/logfiles";
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};
D3D.Box.prototype.getInfoAcces = function (callback) {
"use strict";
getAPI(this.api + "info/access", callback);
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return this;
};
D3D.Box.prototype.getNetworkScan = function (callback) {
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"use strict";
getAPI(this.api + "network/scan", callback);
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return this;
};
D3D.Box.prototype.getNetworkKnown = function (callback) {
"use strict";
getAPI(this.api + "network/known", callback);
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return this;
};
D3D.Box.prototype.getNetworkStatus = function (callback) {
"use strict";
getAPI(this.api + "network/status", callback);
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return this;
};
D3D.Box.prototype.setNetworkAssosiate = function (data, callback) {
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"use strict";
sendAPI(this.api + "network/associate", data, callback);
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return this;
};
D3D.Box.prototype.setNetworkDisassosiate = function (callback) {
//not tested
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"use strict";
sendAPI(this.api + "network/disassociate", {}, callback);
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return this;
};
D3D.Box.prototype.setNetworkOpenAP = function (callback) {
//not tested
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"use strict";
sendAPI(this.api + "network/openap", {}, callback);
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return this;
};
D3D.Box.prototype.setNetworkRemove = function (ssid, callback) {
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"use strict";
sendAPI(this.api + "network/remove", {
"ssid": ssid
}, callback);
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return this;
};
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D3D.Box.prototype.getNetworkSignin = function (callback) {
"use strict";
getAPI(this.api + "network/signin", callback);
return this;
};
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D3D.Box.prototype.getNetworkAlive = function (callback) {
"use strict";
getAPI(this.api + "network/alive", callback);
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return this;
};
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D3D.Box.prototype.getPrinterTemperature = function (callback) {
"use strict";
getAPI(this.api + "printer/temperature", callback);
return this;
};
D3D.Box.prototype.getPrinterProgress = function (callback) {
"use strict";
getAPI(this.api + "printer/progress", callback);
return this;
};
D3D.Box.prototype.getPrinterState = function (callback) {
"use strict";
getAPI(this.api + "printer/state", callback);
return this;
};
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D3D.Box.prototype.getPrinterListAll = function (callback) {
"use strict";
getAPI(this.api + "printer/listall", callback);
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return this;
};
D3D.Box.prototype.setPrinterHeatup = function (callback) {
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"use strict";
sendAPI(this.api + "printer/heatup", {}, callback);
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return this;
};
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D3D.Box.prototype.setPrinterPrint = function (data, callback) {
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"use strict";
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sendAPI(this.api + "printer/print", data, callback);
return this;
};
D3D.Box.prototype.setPrinterStop = function (data, callback) {
"use strict";
sendAPI(this.api + "printer/stop", data, callback);
return this;
};
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D3D.Box.prototype.getSketch = function (id, callback) {
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"use strict";
getAPI(this.api + "sketch/?id=" + id, callback);
return this;
};
D3D.Box.prototype.setSketch = function (data, callback) {
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"use strict";
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sendAPI(this.api + "sketch", {
"data": data
}, callback);
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return this;
};
D3D.Box.prototype.getSketchStatus = function (callback) {
"use strict";
getAPI(this.api + "sketch/status", callback);
return this;
};
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D3D.Box.prototype.setSketchClear = function (callback) {
"use strict";
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sendAPI(this.api + "sketch/clear", callback);
return this;
};
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D3D.Box.prototype.getSystemVersions = function (callback) {
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"use strict";
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getAPI(this.api + "system/fwversions", callback);
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return this;
};
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D3D.Box.prototype.getUpdateStatus = function (callback) {
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"use strict";
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getAPI(this.api + "update/status", callback);
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return this;
};
D3D.Box.prototype.setUpdateDownload = function (callback) {
//not tested
"use strict";
sendAPI(this.api + "update/download", {}, callback);
return this;
};
D3D.Box.prototype.setUpdateInstall = function (callback) {
//not tested
"use strict";
sendAPI(this.api + "update/install", {}, callback);
return this;
};
D3D.Box.prototype.setUpdateClear = function (callback) {
//not tested
"use strict";
sendAPI(this.api + "update/clear", {}, callback);
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return this;
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};
/******************************************************
*
* Printer
* Representation of the connected printer
*
******************************************************/
D3D.Printer = function (config) {
"use strict";
this.status = {};
this.config = {};
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this.updateConfig(config);
};
D3D.Printer.prototype.updateConfig = function (config) {
"use strict";
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for (var i in config) {
if (i.indexOf("printer") === 0) {
this.config[i] = config[i];
}
}
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return this;
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};
D3D.Printer.prototype.getStartCode = function () {
"use strict";
var gcode = this.config["printer.startcode"];
gcode = this.subsituteVariables(gcode);
return gcode.split("\n");
};
D3D.Printer.prototype.getEndCode = function () {
"use strict";
var gcode = this.config["printer.endcode"];
gcode = this.subsituteVariables(gcode);
return gcode.split("\n");
};
D3D.Printer.prototype.subsituteVariables = function (gcode) {
"use strict";
var temperature = this.config["printer.temperature"];
var bedTemperature = this.config["printer.bed.temperature"];
var preheatTemperature = this.config["printer.heatup.temperature"];
var preheatBedTemperature = this.config["printer.heatup.bed.temperature"];
var printerType = this.config["printer.type"];
var heatedbed = this.config["printer.heatedbed"];
switch (printerType) {
case "makerbot_replicator2": printerType = "r2"; break;
case "makerbot_replicator2x": printerType = "r2x"; break;
case "makerbot_thingomatic": printerType = "t6"; break;
case "makerbot_generic": printerType = "r2"; break;
case "_3Dison_plus": printerType = "r2"; break;
}
var heatedBedReplacement = heatedbed ? "" : ";";
gcode = gcode.replace(/{printingTemp}/gi, temperature);
gcode = gcode.replace(/{printingBedTemp}/gi, bedTemperature);
gcode = gcode.replace(/{preheatTemp}/gi, preheatTemperature);
gcode = gcode.replace(/{preheatBedTemp}/gi, preheatBedTemperature);
gcode = gcode.replace(/{printerType}/gi, printerType);
gcode = gcode.replace(/{if heatedBed}/gi, heatedBedReplacement);
return gcode;
};
/******************************************************
*
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* Path
*
* Abstraction layer for annoying clipper js
*
******************************************************/
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D3D.Paths = function (paths, closed) {
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"use strict";
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Array.call(this);
this.setPaths(paths || []);
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this.closed = (closed !== undefined) ? closed : true;
};
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D3D.Paths.prototype = Object.create(Array.prototype);
D3D.Paths.prototype.setPaths = function (paths) {
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"use strict";
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for (var i = 0; i < paths.length; i ++) {
var path = paths[i];
if (path.length > 0) {
this.push(path);
}
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}
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return this;
};
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D3D.Paths.prototype.clip = function (path, type) {
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"use strict";
var solution = new ClipperLib.Paths();
var clipper = new ClipperLib.Clipper();
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clipper.AddPaths(this, ClipperLib.PolyType.ptSubject, this.closed);
clipper.AddPaths(path, ClipperLib.PolyType.ptClip, path.closed);
clipper.Execute(type, solution);
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return new D3D.Paths(solution, this.closed);
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};
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D3D.Paths.prototype.union = function (path) {
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"use strict";
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return this.clip(path, ClipperLib.ClipType.ctUnion);
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};
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D3D.Paths.prototype.difference = function (path) {
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"use strict";
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return this.clip(path, ClipperLib.ClipType.ctDifference);
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};
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D3D.Paths.prototype.intersect = function (path) {
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"use strict";
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return this.clip(path, ClipperLib.ClipType.ctIntersection);
};
D3D.Paths.prototype.xor = function () {
"use strict";
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return this.clip(path, ClipperLib.ClipType.ctXor);
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};
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D3D.Paths.prototype.offset = function (offset) {
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"use strict";
var solution = new ClipperLib.Paths();
var co = new ClipperLib.ClipperOffset(1, 1);
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co.AddPaths(this, ClipperLib.JoinType.jtRound, ClipperLib.EndType.etClosedPolygon);
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co.Execute(solution, offset);
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return new D3D.Paths(solution);
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};
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D3D.Paths.prototype.scaleUp = function (factor) {
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"use strict";
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var path = ClipperLib.JS.ScaleUpPaths(this, factor);
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return this;
};
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D3D.Paths.prototype.scaleDown = function (factor) {
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"use strict";
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var path = ClipperLib.JS.ScaleDownPaths(this, factor);
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return this;
};
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D3D.Paths.prototype.lastPoint = function () {
"use strict";
var lastPath = this[this.length - 1];
var lastPoint = this.closed ? lastPath[0] : lastPath[lastPath.length - 1];
return new THREE.Vector2(lastPoint.X, lastPoint.Y);
};
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D3D.Paths.prototype.optimizePath = function (start) {
"use strict";
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var optimizedPaths = new D3D.Paths([], this.closed);
var donePaths = [];
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while (optimizedPaths.length !== this.length) {
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var minLength = false;
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var reverse;
var minPath;
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var offset;
var pathIndex;
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for (var i = 0; i < this.length; i ++) {
var path = this[i];
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if (donePaths.indexOf(i) === -1) {
if (this.closed) {
for (var j = 0; j < path.length; j ++) {
var point = new THREE.Vector2(path[j].X, path[j].Y);
var length = point.sub(start).length();
if (minLength === false || length < minLength) {
minPath = path;
minLength = length;
offset = j;
pathIndex = i;
}
}
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}
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else {
var startPoint = new THREE.Vector2(path[0].X, path[0].Y);
var length = startPoint.sub(start).length();
if (minLength === false || length < minLength) {
minPath = path;
minLength = length;
reverse = false;
pathIndex = i;
}
var endPoint = new THREE.Vector2(path[path.length - 1].X, path[path.length - 1].Y);
var length = endPoint.sub(start).length();
if (length < minLength) {
minPath = path;
minLength = length;
reverse = true;
pathIndex = i;
}
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}
}
}
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if (this.closed) {
minPath = minPath.concat(minPath.splice(0, offset));
var point = minPath[0];
}
else {
if (reverse) {
minPath.reverse();
}
var point = minPath[minPath.length - 1];
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}
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donePaths.push(pathIndex);
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start = new THREE.Vector2(point.X, point.Y);
optimizedPaths.push(minPath);
}
return optimizedPaths;
};
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D3D.Paths.prototype.tresholdArea = function (minArea) {
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//code not tested yet
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"use strict";
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for (var i = 0; i < this.length; i ++) {
var shape = this[i];
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var area = ClipperLib.Clipper.Area(shape);
if (area < minArea) {
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this.splice(i, 1);
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i --;
}
}
return areas;
};
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D3D.Paths.prototype.join = function (path) {
"use strict";
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for (var i = 0; i < path.length; i ++) {
this.push(path[i]);
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}
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return this;
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};
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D3D.Paths.prototype.clone = function () {
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"use strict";
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return new D3D.Paths(ClipperLib.JS.Clone(this), this.closed);
};
D3D.Paths.prototype.bounds = function () {
"use strict";
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return ClipperLib.Clipper.GetBounds(this);
};
D3D.Paths.prototype.draw = function (context, color) {
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"use strict";
context.strokeStyle = color;
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for (var i = 0; i < this.length; i ++) {
var shape = this[i];
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//var point = shape[0];
//context.fillText(i, point.X*2, point.Y*2);
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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();
}
};
/******************************************************
*
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* Slicer
*
* TODO (optimalisatie)
* sorteer lijnen op laagste hoogte -> stop loop wanneer hij een lijn zonder intersectie heeft gevonden
* verwijder lijnen die ooit interactie gehad hebben, maar nu niet meer
* helft van lijnen toevoegen omdat 4face altijd recht is, en 3face dus te veel data bevat
*
* omliggende lagen -> difference && sum omliggende lijnen
* voor laag 5 = 5 diff (3 && 4 && 6 && 7))
*
******************************************************/
D3D.Slicer = function () {
"use strict";
this.lines = [];
};
D3D.Slicer.prototype.setMesh = function (mesh) {
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"use strict";
//convert buffergeometry to geometry;
var geometry = mesh.geometry.clone();
if (geometry instanceof THREE.BufferGeometry) {
geometry = new THREE.Geometry().fromBufferGeometry(geometry);
}
//remove duplicate vertices;
for (var i = 0; i < geometry.vertices.length; i ++) {
var vertexA = geometry.vertices[i];
for (var j = i + 1; j < geometry.vertices.length; j ++) {
var vertexB = geometry.vertices[j];
if (vertexA.equals(vertexB)) {
geometry.vertices[j] = vertexA;
}
}
}
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geometry.mergeVertices();
//apply mesh matrix on geometry;
mesh.updateMatrix();
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geometry.applyMatrix(mesh.matrix);
geometry.computeFaceNormals();
this.geometry = geometry;
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//get unique lines from geometry;
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this.createLines();
return this;
};
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D3D.Slicer.prototype.createLines = function () {
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"use strict";
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this.lines = [];
var lineLookup = {};
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var self = this;
function addLine (a, b) {
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//think lookup can only be b_a, a_b is only possible when face is flipped
var index = lineLookup[a + "_" + b] || lineLookup[b + "_" + a];
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if (index === undefined) {
index = self.lines.length;
lineLookup[a + "_" + b] = index;
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self.lines.push({
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line: new THREE.Line3(self.geometry.vertices[a], self.geometry.vertices[b]),
connects: [],
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normals: [],
ignore: 0
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});
}
return index;
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}
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for (var i = 0; i < this.geometry.faces.length; i ++) {
var face = this.geometry.faces[i];
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//if (face.normal.y !== 1 && face.normal.y !== -1) {
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);
//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);
this.lines[a].normals.push(normal);
this.lines[b].normals.push(normal);
this.lines[c].normals.push(normal);
//}
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}
};
D3D.Slicer.prototype.slice = function (height, step) {
"use strict";
var layersIntersections = [];
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for (var i = 0; i < this.lines.length; i ++) {
var line = this.lines[i];
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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);
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for (var layerIndex = min; layerIndex <= max; layerIndex ++) {
if (layerIndex >= 0) {
if (layersIntersections[layerIndex] === undefined) {
layersIntersections[layerIndex] = [];
}
layersIntersections[layerIndex].push(i);
}
}
}
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var slices = [];
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for (var layer = 1; layer < layersIntersections.length-1; layer ++) {
var layerIntersections = layersIntersections[layer];
var y = layer*step;
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var intersections = [];
for (var i = 0; i < layerIntersections.length; i ++) {
var index = layerIntersections[i];
var line = this.lines[index].line;
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var alpha = (y - line.start.y) / (line.end.y - line.start.y);
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var x = line.end.x * alpha + line.start.x * (1 - alpha);
var z = line.end.z * alpha + line.start.z * (1 - alpha);
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intersections[index] = new THREE.Vector2(x, z);
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}
var done = [];
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var slice = new D3D.Paths([], true);
for (var i = 0; i < layerIntersections.length; i ++) {
var index = layerIntersections[i];
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if (done.indexOf(index) === -1) {
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var shape = [];
while (index !== -1) {
var intersection = intersections[index];
shape.push({X: intersection.x, Y: intersection.y});
done.push(index);
var connects = this.lines[index].connects;
var faceNormals = this.lines[index].normals;
for (var j = 0; j < connects.length; j ++) {
index = connects[j];
if (intersections[index] && done.indexOf(index) === -1) {
var a = new THREE.Vector2().set(intersection.x, intersection.y);
var b = intersections[index];
var normal = a.sub(b).normal().normalize();
var faceNormal = faceNormals[Math.floor(j/2)];
if (normal.dot(faceNormal) > 0) {
break;
}
else {
index = -1;
}
}
else {
index = -1;
}
}
}
/*
for (var i = 0; i < shape.length; i ++) {
var point = shape[i];
var previousPoint = shape[(i + shape.length - 1) % shape.length];
var nextPoint = shape[(i + 1) % shape.length];
var point = new THREE.Vector2(point.X, point.Y);
var previousPoint = new THREE.Vector2(previousPoint.X, previousPoint.Y);
var nextPoint = new THREE.Vector2(nextPoint.X, nextPoint.Y);
//var lineLength = nextPoint.sub(previousPoint).length();
var normal = nextPoint.sub(previousPoint).normal().normalize();
var distance = Math.abs(normal.dot(point.sub(previousPoint)));
//something better for offset check
if (distance <= 0.01) {
shape.splice(i, 1);
i --;
}
}
*/
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//think this check is not nescesary, always higher as 0
if (shape.length > 0) {
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slice.push(new D3D.Paths([shape]));
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}
}
}
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var layerParts = [];
for (var i = 0; i < slice.length; i ++) {
var layerPart1 = slice[i];
var merge = false;
for (var j = 0; j < layerParts.length; j ++) {
var layerPart2 = layerParts[j];
if (layerPart2.intersect(layerPart1).length > 0) {
layerPart2.join(layerPart1);
merge = true;
break;
}
}
if (!merge) {
layerParts.push(layerPart1);
}
}
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//stop when ther are no intersects
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if (layerParts.length > 0) {
slices.push(layerParts);
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}
else {
break;
}
}
return slices;
};
D3D.Slicer.prototype.slicesToData = function (slices, printer) {
"use strict";
var scale = 100;
var layerHeight = printer.config["printer.layerHeight"] * scale;
var dimensionsZ = printer.config["printer.dimensions.z"] * scale;
var wallThickness = printer.config["printer.wallThickness"] * scale;
var shellThickness = printer.config["printer.shellThickness"] * scale;
var fillSize = printer.config["printer.fillSize"] * scale;
var brimOffset = printer.config["printer.brimOffset"] * scale;
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var skinCount = Math.ceil(shellThickness/layerHeight);
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var start = new THREE.Vector2(0, 0);
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var data = [];
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var lowFillTemplate = this.getFillTemplate({
left: 0,
top: 0,
right: dimensionsZ,
bottom: dimensionsZ
}, fillSize, true, true);
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for (var layer = 0; layer < slices.length; layer ++) {
var slice = slices[layer];
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var layerData = [];
data.push(layerData);
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var downSkin = new D3D.Paths([], true);
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if (layer - skinCount >= 0) {
var downLayer = slices[layer - skinCount];
for (var i = 0; i < downLayer.length; i ++) {
downSkin.join(downLayer[i]);
}
}
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var upSkin = new D3D.Paths([], true);
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if (layer + skinCount < slices.length) {
var downLayer = slices[layer + skinCount];
for (var i = 0; i < downLayer.length; i ++) {
upSkin.join(downLayer[i]);
}
}
var surroundingLayer = upSkin.intersect(downSkin).clone().scaleUp(scale);
var sliceData = [];
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for (var i = 0; i < slice.length; i ++) {
var part = slice[i];
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var outerLayer = part.clone();
outerLayer.scaleUp(scale);
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var insets = new D3D.Paths([], true);
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for (var offset = wallThickness; offset <= shellThickness; offset += wallThickness) {
var inset = outerLayer.offset(-offset);
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insets.join(inset);
}
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var fillArea = (inset || outerLayer).offset(-wallThickness/2);
//var fillArea = (inset || outerLayer).clone();
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var highFillArea = fillArea.difference(surroundingLayer);
var lowFillArea = fillArea.difference(highFillArea);
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var fill = new D3D.Paths([], false);
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if (lowFillTemplate.length > 0) {
fill.join(lowFillTemplate.intersect(lowFillArea));
}
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if (highFillArea.length > 0) {
var bounds = highFillArea.bounds();
var even = (layer % 2 === 0);
var highFillTemplate = this.getFillTemplate(bounds, wallThickness, even, !even);
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fill.join(highFillTemplate.intersect(highFillArea));
}
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outerLayer = outerLayer.optimizePath(start);
if (insets.length > 0) {
insets = insets.optimizePath(outerLayer.lastPoint());
fill = fill.optimizePath(insets.lastPoint());
}
else {
fill = fill.optimizePath(outerLayer.lastPoint());
}
if (fill.length > 0) {
start = fill.lastPoint();
}
else if (insets.length > 0) {
start = insets.lastPoint();
}
else {
start = outerLayer.lastPoint();
}
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layerData.push({
outerLayer: outerLayer.scaleDown(scale),
fill: fill.scaleDown(scale),
insets: insets.scaleDown(scale)
});
}
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}
return data;
};
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D3D.Slicer.prototype.getFillTemplate = function (bounds, size, even, uneven) {
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"use strict";
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var paths = new D3D.Paths([], false);
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if (even) {
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for (var length = Math.floor(bounds.left); length <= Math.ceil(bounds.right); length += size) {
paths.push([{X: length, Y: bounds.top}, {X: length, Y: bounds.bottom}]);
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}
}
if (uneven) {
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for (var length = Math.floor(bounds.top); length <= Math.floor(bounds.bottom); length += size) {
paths.push([{X: bounds.left, Y: length}, {X: bounds.right, Y: length}]);
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}
}
//return paths;
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return paths;
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};
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D3D.Slicer.prototype.dataToGcode = function (data, printer) {
"use strict";
var layerHeight = printer.config["printer.layerHeight"];
var normalSpeed = printer.config["printer.speed"];
var bottomSpeed = printer.config["printer.bottomLayerSpeed"];
var firstLayerSlow = printer.config["printer.firstLayerSlow"];
var bottomFlowRate = printer.config["printer.bottomFlowRate"];
var travelSpeed = printer.config["printer.travelSpeed"];
var filamentThickness = printer.config["printer.filamentThickness"];
var wallThickness = printer.config["printer.wallThickness"];
var enableTraveling = printer.config["printer.enableTraveling"];
var retractionEnabled = printer.config["printer.retraction.enabled"];
var retractionSpeed = printer.config["printer.retraction.speed"];
var retractionMinDistance = printer.config["printer.retraction.minDistance"];
var retractionAmount = printer.config["printer.retraction.amount"];
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function sliceToGcode (slice) {
var gcode = [];
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for (var i = 0; i < slice.length; i ++) {
var shape = slice[i];
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var previousPoint;
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var length = slice.closed ? (shape.length + 1) : shape.length;
for (var j = 0; j < length; j ++) {
var point = shape[j % shape.length];
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if (j === 0) {
//TODO
//add retraction
if (extruder > retractionMinDistance && retractionEnabled) {
gcode.push([
"G0",
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"E" + (extruder - retractionAmount).toFixed(3),
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"F" + (retractionSpeed * 60).toFixed(3)
].join(" "));
}
gcode.push([
"G0",
"X" + point.X.toFixed(3) + " Y" + point.Y.toFixed(3) + " Z" + z,
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"F" + (travelSpeed * 60)
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].join(" "));
if (extruder > retractionMinDistance && retractionEnabled) {
gcode.push([
"G0",
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"E" + extruder.toFixed(3),
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"F" + (retractionSpeed * 60).toFixed(3)
].join(" "));
}
}
else {
var a = new THREE.Vector2().set(point.X, point.Y);
var b = new THREE.Vector2().set(previousPoint.X, previousPoint.Y);
var lineLength = a.distanceTo(b);
extruder += lineLength * wallThickness * layerHeight / filamentSurfaceArea * flowRate;
gcode.push([
"G1",
"X" + point.X.toFixed(3) + " Y" + point.Y.toFixed(3) + " Z" + z,
"F" + speed,
"E" + extruder.toFixed(3)
].join(" "));
}
previousPoint = point;
}
}
return gcode;
}
var gcode = printer.getStartCode();
var extruder = 0.0;
var speed = firstLayerSlow ? (bottomSpeed*60).toFixed(3) : (normalSpeed*60).toFixed(3);
var filamentSurfaceArea = Math.pow((filamentThickness/2), 2) * Math.PI;
var flowRate = bottomFlowRate;
for (var layer = 0; layer < data.length; layer ++) {
var slice = data[layer];
//turn on fan on layer 2
if (layer === 2) {
gcode.push("M106");
speed = (normalSpeed*60).toFixed(3);
flowRate = 1;
}
var z = ((layer + 1) * layerHeight).toFixed(3);
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for (var i = 0; i < slice.length; i ++) {
var layerPart = slice[i];
gcode = gcode.concat(sliceToGcode(layerPart.outerLayer));
gcode = gcode.concat(sliceToGcode(layerPart.insets));
gcode = gcode.concat(sliceToGcode(layerPart.fill));
}
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}
gcode = gcode.concat(printer.getEndCode());
return gcode;
};
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//only for debug purposes
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D3D.Slicer.prototype.drawPaths = function (printer, min, max) {
"use strict";
var layerHeight = printer.config["printer.layerHeight"];
var dimensionsZ = printer.config["printer.dimensions.z"];
var slices = this.slice(dimensionsZ, layerHeight);
var data = this.slicesToData(slices, printer);
var canvas = document.createElement("canvas");
canvas.width = 400;
canvas.height = 400;
var context = canvas.getContext("2d");
for (var layer = min; layer < max; layer ++) {
var slice = data[layer % data.length];
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for (var i = 0; i < slice.length; i ++) {
var layerPart = slice[i];
layerPart.insets.draw(context, "blue");
layerPart.outerLayer.draw(context, "green");
layerPart.fill.draw(context, "red");
}
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}
return canvas;
};
D3D.Slicer.prototype.getGcode = function (printer) {
"use strict";
var layerHeight = printer.config["printer.layerHeight"];
var dimensionsZ = printer.config["printer.dimensions.z"];
var start = new Date().getTime();
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var slices = this.slice(dimensionsZ, layerHeight);
var end = new Date().getTime();
console.log("Slicing: " + (end - start) + "ms");
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//still error in first layer, so remove first layer
//see https://github.com/Doodle3D/Doodle3D-Slicer/issues/1
var start = new Date().getTime();
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var data = this.slicesToData(slices, printer);
var end = new Date().getTime();
console.log("Data: " + (end - start) + "ms");
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//return data;
//TODO
//make the path more optimized for 3d printers
//make the printer follow the shortest path from line to line
//see https://github.com/Ultimaker/CuraEngine#gcode-generation
var start = new Date().getTime();
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var gcode = this.dataToGcode(data, printer);
var end = new Date().getTime();
console.log("Gcode: " + (end - start) + "ms");
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return gcode;
};