336 lines
13 KiB
JavaScript
336 lines
13 KiB
JavaScript
/*var gcodeStart = [];
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gcodeStart.push(";Generated with Doodle3D");
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gcodeStart.push("G21"); // metric values
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gcodeStart.push("G91"); // relative positioning
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gcodeStart.push("M107"); // start with the fan off
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gcodeStart.push("G28 X0 Y0"); // move X/Y to min endstops
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gcodeStart.push("G28 Z0"); // move Z to min endstops
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gcodeStart.push("G1 Z15 F9000"); // move the platform down 15mm
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gcodeStart.push("G92 E0"); // zero the extruded length
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gcodeStart.push("G1 F200 E10"); // extrude 10mm of feed stock
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gcodeStart.push("G92 E0"); // zero the extruded length again
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//gcodeStart.push("G92 X-100 Y-100 E0"); // zero the extruded length again and make center the start position
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gcodeStart.push("G1 F9000");
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gcodeStart.push("G90"); // absolute positioning
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gcodeStart.push("M117 Printing Doodle... "); // display message (20 characters to clear whole screen)
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var gcodeEnd= [];
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gcodeEnd.push("M107"); // fan off
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gcodeEnd.push("G91"); // relative positioning
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gcodeEnd.push("G1 E-1 F300"); // retract the filament a bit before lifting the nozzle, to release some of the pressure
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gcodeEnd.push("G1 Z+0.5 E-5 X-20 Y-20 F9000"); // move Z up a bit and retract filament even more
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gcodeEnd.push("G28 X0 Y0"); // move X/Y to min endstops, so the head is out of the way
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gcodeEnd.push("M84"); // disable axes / steppers
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gcodeEnd.push("G90"); // absolute positioning
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gcodeEnd.push("M117 Done "); // display message (20 characters to clear whole screen)*/
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var MAX_POINTS_TO_PRINT = 400000; //80000; //40000;
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var gcode = [];
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function generate_gcode() {
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console.log("f:generategcode()");
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// TODO 2013-09-18 evaluate if this should stay here
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// this was added when Rick mailed us wrt the Ultimaker delivery of Doodle3D
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var gCodeOffsetX = 110; // mm
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var gCodeOffsetY = 110; // mm
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gcode = [];
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console.log("settings: ",settings);
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var speed = settings["printer.speed"]
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var normalSpeed = speed;
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var bottomSpeed = speed*0.5;
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var travelSpeed = settings["printer.travelSpeed"]
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var filamentThickness = settings["printer.filamentThickness"];
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var wallThickness = settings["printer.wallThickness"];
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var screenToMillimeterScale = settings["printer.screenToMillimeterScale"];
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var layerHeight = settings["printer.layerHeight"];
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var maxObjectHeight = settings["printer.maxObjectHeight"];
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var temperature = settings["printer.temperature"];
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var useSubLayers = settings["printer.useSubLayers"];
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var enableTraveling = settings["printer.enableTraveling"];
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var retractionEnabled = settings["printer.retraction.enabled"];
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var retractionspeed = settings["printer.retraction.speed"];
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var retractionminDistance = settings["printer.retraction.minDistance"];
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var retractionamount = settings["printer.retraction.amount"];
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var preheatTemperature = settings["printer.heatup.temperature"];
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var startGcode = settings["printer.startgcode"];
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startGcode = startGcode.replace("{printingTemp}",temperature);
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startGcode = startGcode.replace("{preheatTemp}",preheatTemperature);
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startGcode = startGcode.split("\n");
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var endGcode = settings["printer.endgcode"];
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endGcode = endGcode.replace("{printingTemp}",temperature);
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endGcode = endGcode.replace("{preheatTemp}",preheatTemperature);
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endGcode = endGcode.split("\n");
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/*
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console.log("f:generate_gcode >> EFFE CHECKEN:");
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console.log(" speed: " + speed);
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console.log(" travelSpeed: " + travelSpeed);
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console.log(" filamentThickness: " + filamentThickness);
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console.log(" wallThickness: " + wallThickness);
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console.log(" screenToMillimeterScale: " + screenToMillimeterScale);
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console.log(" layerHeight: " + layerHeight);
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console.log(" objectHeight: " + objectHeight);
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console.log(" maxObjectHeight: " + maxObjectHeight);
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console.log(" temperature: " + temperature);
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console.log(" maxObjectHeight: " + maxObjectHeight);
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console.log(" useSubLayers: " + useSubLayers);
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console.log(" enableTraveling: " + enableTraveling);
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console.log(" retractionspeed: " + retractionspeed);
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console.log(" retractionminDistance: " + retractionminDistance);
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console.log(" retractionamount: " + retractionamount);
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console.log("");
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//*/
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// max amount of real world layers
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var layers = maxObjectHeight / layerHeight; //maxObjectHeight instead of objectHeight
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// translate numLayers in preview to objectHeight in real world
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//objectHeight = Math.ceil(numLayers / 5); // in settings objectHeight = 20, in previewRendering_v01.js numLayers is 100, hence the / 5
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//objectHeight = numLayers; // in settings objectHeight = 20, in previewRendering_v01.js numLayers is 100, hence the / 5
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objectHeight = Math.round(numLayers/maxNumLayers*maxObjectHeight);
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// translate preview rotation (per layer) to real world rotation
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var rStepGCode = rStep * maxNumLayers/layers; ///maxNumLayers*maxObjectHeight;
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// correct direction
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rStepGCode = -rStepGCode;
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// todo hier een array van PATHS maken wat de losse paths zijn
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// copy array without reference -> http://stackoverflow.com/questions/9885821/copying-of-an-array-of-objects-to-another-array-without-object-reference-in-java
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var points = JSON.parse(JSON.stringify(_points));
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// console.log("f:generategcode() >> paths: " + paths.toString());
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// console.log("paths.toString(): " + paths.toString());
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// return;
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//gcode.push("M104 S" + temperature); // set target temperature and do not wait for the extruder to reach it
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//gcode.push("M109 S" + temperature); // set target temperature and wait for the extruder to reach it
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// add gcode begin commands
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gcode = gcode.concat(startGcode);
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//gcode.push("M109 S" + temperature); // set target temperature and wait for the extruder to reach it
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var layers = maxObjectHeight / layerHeight; //maxObjectHeight instead of objectHeight
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var extruder = 0.0;
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var prev = new Point(); prev.set(0, 0);
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// replacement (and improvement) for ofxGetCenterofMass
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var centerOfDoodle = {
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x: doodleBounds[0] + (doodleBounds[2]- doodleBounds[0])/2,
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y: doodleBounds[1] + (doodleBounds[3] - doodleBounds[1])/2
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// x: doodleBounds[0],
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// y: doodleBounds[1]
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}
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console.log("f:generategcode() >> layers: " + layers);
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if (layers == Infinity) return;
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// check feasibility of design
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var pointsToPrint = points.length * layers*(objectHeight/maxObjectHeight)
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//console.log(" points.length: ",points.length);
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//console.log(" numLayers: ",(layers*(objectHeight/maxObjectHeight)));
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//console.log(" pointsToPrint: ",pointsToPrint);
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//console.log(" MAX_POINTS_TO_PRINT: ",MAX_POINTS_TO_PRINT);
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if(pointsToPrint > MAX_POINTS_TO_PRINT) {
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alert("Sorry, your doodle to to complex and / or to high");
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console.log("WARNING: to many points to convert to gcode");
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return [];
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}
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for (var layer = 0; layer < layers; layer++) {
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var p = JSON.parse(JSON.stringify(points)); // [].concat(points);
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if (p.length < 2) return;
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var even = (layer % 2 == 0);
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var progress = layer / layers;
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// float layerScale = scaleFunction(float(layer)/layers); // scaleFactor van de layer -> lookup naar vfunc[] voor die scaleVals
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// var layerScale = 1.0;
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var layerScale = scaleFunction(progress);
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// if begin point this row and end point last row are close enough, isLoop is true
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var isLoop = lineLength(points[0][0], points[0][1], points[points.length-1][0], points[points.length-1][1]) < 3;
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// set center of doodle as middle (ie subtract to that)
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pointsTranslate(p, -centerOfDoodle.x, -centerOfDoodle.y);
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pointsScale(p, screenToMillimeterScale,-screenToMillimeterScale);
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pointsScale(p, layerScale, layerScale);
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// sort-of in de buurt van (360/2.5)
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// // -> aight.. er zijn 750 lines vs 1000 in de d3d app. 135 = .75 * 180... dit kan je nog rechttrekken als je NET wat slimmer nadenkt :)
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// update: NEE, het is niet .75 * 180 want 135 was niet de beste value.
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//pointsRotate(p, rStep * progress * 139);
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pointsRotate(p, rStepGCode * layer);
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if (layer == 0) {
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//gcode.push("M107"); //fan off
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if (firstLayerSlow) {
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//gcode.push("M220 S20"); //slow speed
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speed = bottomSpeed;
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//console.log("> speed: ",speed);
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}
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} else if (layer == 2) { ////////LET OP, pas bij layer 2 weer op normale snelheid ipv layer 1
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gcode.push("M106"); //fan on
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//gcode.push("M220 S100"); //normal speed
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speed = normalSpeed;
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//console.log("> speed: ",speed);
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}
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var curLayerCommand = 0;
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var totalLayerCommands = p.length;
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var layerProgress = 0;
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var paths = [];
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var pathCounter = -1;
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// var points = [];
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for (var i = 0; i < p.length; i++) {
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if (p[i][2] == true) {
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pathCounter++;
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paths.push([]);
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paths[pathCounter].push([p[i][0], p[i][1]]);
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} else {
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paths[pathCounter].push([p[i][0], p[i][1]]);
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}
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}
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// console.log("f:generategcode() >> paths.length: " + paths.length);
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// loop over the subpaths (the separately drawn lines)
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for (var j = 0; j < paths.length; j++) { // TODO paths > subpaths
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// this line is probably for drawing efficiency, alternating going from 0->end and end->0 (i.e. to and fro)
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// vector<ofSubPath::Command> &commands = subpaths[even ? j : subpaths.size()-1-j].getCommands();
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var commands = paths[j]; //commands zijn alle points uit subpath j // TODO commands > subpathPoints
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// loop over the coordinates of the subpath
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for (var i = 0; i < commands.length; i++) {
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var last = commands.length - 1;
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// this line is probably for drawing efficiency, alternating going from 0->end and end->0 (i.e. to and fro)
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// ofPoint to = commands[(even || isLoop || loopAlways) ? i : last-i].to;
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var to = new Point(); to.set(commands[i][0], commands[i][1]);
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// TODO 2013-09-18 evaluate if this should stay..
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// this was added when Rick mailed us wrt the Ultimaker delivery of Doodle3D
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to.x += gCodeOffsetX;
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to.y += gCodeOffsetY;
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var sublayer = (layer == 0) ? 0.0 : layer + (useSubLayers ? (curLayerCommand/totalLayerCommands) : 0);
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var z = (sublayer + 1) * layerHeight; // 2013-09-06 removed zOffset (seemed to be useless)
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var isTraveling = !isLoop && i==0;
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var doRetract = retractionEnabled && prev.distance(to) > retractionminDistance;
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if (enableTraveling && isTraveling) {
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// console.log("enableTraveling && isTraveling >> doRetract: " + doRetract + ", retractionspeed: " + retractionspeed);
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if (doRetract) gcode.push("G0 E" + (extruder - retractionamount).toFixed(3) + " F" + (retractionspeed * 60).toFixed(3)); //retract
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gcode.push("G0 X" + to.x.toFixed(3) + " Y" + to.y.toFixed(3) + " Z" + z.toFixed(3) + " F" + (travelSpeed * 60).toFixed(3));
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if (doRetract) gcode.push("G0 E" + extruder.toFixed(3) + " F" + (retractionspeed * 60).toFixed(3)); // return to normal
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} else {
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// console.log(" else");
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//extruder += prev.distance(to) * wallThickness * layerHeight / filamentThickness;
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extruder += prev.distance(to) * wallThickness * layerHeight / (Math.pow((filamentThickness/2), 2) * Math.PI);
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gcode.push("G1 X" + to.x.toFixed(3) + " Y" + to.y.toFixed(3) + " Z" + z.toFixed(3) + " F" + (speed * 60).toFixed(3) + " E" + extruder.toFixed(3));
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}
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curLayerCommand++;
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layerProgress = curLayerCommand/totalLayerCommands;
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prev = to;
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}
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}
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if ((layer/layers) > (objectHeight/maxObjectHeight)) {
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console.log("f:generategcode() >> (layer/layers) > (objectHeight/maxObjectHeight) is true -> breaking at layer " + (layer + 1));
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break;
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}
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}
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// add gcode end commands
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gcode = gcode.concat(endGcode);
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return gcode;
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}
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function scaleFunction(percent) {
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var r = 1.0;
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switch (VERTICALSHAPE) {
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case verticalShapes.NONE:
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r = 1.0;
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break;
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case verticalShapes.DIVERGING:
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r = .5 + (percent * .5);
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break;
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case verticalShapes.CONVERGING:
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r = 1.0 - (percent * .8);
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break;
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case verticalShapes.SINUS:
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r = (Math.cos(percent * Math.PI * 4) * .25) + .75;
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break;
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}
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// return 1.0 - (percent *.8);
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return r;
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}
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pointsTranslate = function(p, x, y) {
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for (var i = 0; i < p.length; i++) {
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p[i][0] += x;
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p[i][1] += y;
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}
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}
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pointsScale = function(p, sx, sy) {
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for (var i = 0; i < p.length; i++) {
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p[i][0] *= sx;
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p[i][1] *= sy;
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}
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}
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// rotates around point 0,0 (origin).
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// Not the prettiest kind of rotation solution but in our case we're assuming that the points have just been translated to origin
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pointsRotate = function(p, ang) {
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var _ang, dist;
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for (var i = 0; i < p.length; i++) {
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dist = Math.sqrt(p[i][0] * p[i][0] + p[i][1] * p[i][1]);
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_ang = Math.atan2(p[i][1], p[i][0]);
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p[i][0] = Math.cos(_ang + ang) * dist;
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p[i][1] = Math.sin(_ang + ang) * dist;
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}
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}
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//+ Jonas Raoni Soares Silva
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//@ http://jsfromhell.com/math/line-length [rev. #1]
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lineLength = function(x, y, x0, y0){
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return Math.sqrt((x -= x0) * x + (y -= y0) * y);
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};
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var Point = function() {};
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Point.prototype = {
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x: 0,
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y: 0,
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set: function(_x, _y) {
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this.x = _x;
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this.y = _y;
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},
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distance: function(p) {
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var d = -1;
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if (p instanceof Point) {
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d = Math.sqrt((p.x - this.x) * (p.x - this.x) + (p.y - this.y) * (p.y - this.y));
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}
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return d;
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},
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toString: function() {
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console.log("x:" + this.x + ", y:" + this.y);
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}
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}
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