void _clipper_do(const ClipperLib::ClipType clipType, Slic3r::Polygons &subject, Slic3r::Polygons &clip, T &retval, const ClipperLib::PolyFillType fillType, const bool safety_offset_) { // read input ClipperLib::Polygons* input_subject = new ClipperLib::Polygons(); ClipperLib::Polygons* input_clip = new ClipperLib::Polygons(); Slic3rPolygons_to_ClipperPolygons(subject, *input_subject); Slic3rPolygons_to_ClipperPolygons(clip, *input_clip); // perform safety offset if (safety_offset_) { if (clipType == ClipperLib::ctUnion) { safety_offset(input_subject); } else { safety_offset(input_clip); } } // init Clipper ClipperLib::Clipper clipper; clipper.Clear(); // add polygons clipper.AddPolygons(*input_subject, ClipperLib::ptSubject); delete input_subject; clipper.AddPolygons(*input_clip, ClipperLib::ptClip); delete input_clip; // perform operation clipper.Execute(clipType, retval, fillType, fillType); }
ClipperLib::Polygons NavMesh::_processWalkableObstacleRegions(const ClipperLib::Polygons& walkable, const ClipperLib::Polygons& obstacles) { ClipperLib::Clipper clipper; ClipperLib::Polygons solution; clipper.AddPolygons(walkable, ClipperLib::ptSubject ); clipper.AddPolygons(obstacles, ClipperLib::ptClip); clipper.Execute(ClipperLib::ctDifference, solution, ClipperLib::PolyFillType::pftNonZero, ClipperLib::PolyFillType::pftNonZero ); return solution; }
// clip infill pattern polys against polys void Infill::addInfill(double z, const vector<Poly> polys, const ClipperLib::Polygons patterncpolys, double offsetDistance) { ClipperLib::Polygons cpolys; // ClipperLib::OffsetPolygons(Clipping::getClipperPolygons(polys), cpolys, 100, // ClipperLib::jtMiter,1); // else cpolys = Clipping::getClipperPolygons(polys); ClipperLib::Clipper clpr; clpr.AddPolygons(patterncpolys,ClipperLib::ptSubject); clpr.AddPolygons(cpolys,ClipperLib::ptClip); ClipperLib::Polygons result; clpr.Execute(ClipperLib::ctIntersection, result, ClipperLib::pftEvenOdd, ClipperLib::pftNonZero); if (type==PolyInfill) { // reversal from evenodd clipping for (uint i = 0; i<result.size(); i+=2) std::reverse(result[i].begin(),result[i].end()); } addInfillPolys(Clipping::getPolys(result, z, extrusionfactor)); }
void ClipperPolygons_to_Slic3rExPolygons(const ClipperLib::Polygons &input, Slic3r::ExPolygons &output) { // init Clipper ClipperLib::Clipper clipper; clipper.Clear(); // perform union clipper.AddPolygons(input, ClipperLib::ptSubject); ClipperLib::PolyTree* polytree = new ClipperLib::PolyTree(); clipper.Execute(ClipperLib::ctUnion, *polytree, ClipperLib::pftEvenOdd, ClipperLib::pftEvenOdd); // offset results work with both EvenOdd and NonZero // write to ExPolygons object output.clear(); PolyTreeToExPolygons(*polytree, output); delete polytree; }
EaglePolygon::EaglePolygon(QPolygonF _vertices, qreal _width, int _layer, qreal _spacing) { width = _width; layer = _layer; spacing = _spacing; sourcePoly.resize(_vertices.count()); for (int i = 0; i < _vertices.count(); i++) { ClipperLib::long64 x = (ClipperLib::long64)(_vertices.at(i).x()*RES); ClipperLib::long64 y = (ClipperLib::long64)(_vertices.at(i).y()*RES); sourcePoly[0].push_back(ClipperLib::IntPoint(x,y)); } ClipperLib::Clipper c; c.AddPolygons(sourcePoly, ClipperLib::ptSubject); c.Execute(ClipperLib::ctUnion,sourcePoly); // only makes sure polys orientation is correct ClipperLib::OffsetPolygons(sourcePoly,buffedPoly, width*RES/2, ClipperLib::jtRound); // offset for (unsigned int i = 0; i < buffedPoly[0].size(); i++) { vertices.append(QPointF(buffedPoly[0].at(i).X/RES, buffedPoly[0].at(i).Y/RES)); } }
void processFile(const char* input_filename, ConfigSettings& config, GCodeExport& gcode, bool firstFile) { for(unsigned int n=1; n<16;n++) gcode.setExtruderOffset(n, config.extruderOffset[n].p()); gcode.setFlavor(config.gcodeFlavor); double t = getTime(); log("Loading %s from disk...\n", input_filename); SimpleModel* m = loadModel(input_filename, config.matrix); if (!m) { log("Failed to load model: %s\n", input_filename); return; } log("Loaded from disk in %5.3fs\n", timeElapsed(t)); log("Analyzing and optimizing model...\n"); OptimizedModel* om = new OptimizedModel(m, Point3(config.objectPosition.X, config.objectPosition.Y, -config.objectSink)); for(unsigned int v = 0; v < m->volumes.size(); v++) { log(" Face counts: %i -> %i %0.1f%%\n", (int)m->volumes[v].faces.size(), (int)om->volumes[v].faces.size(), float(om->volumes[v].faces.size()) / float(m->volumes[v].faces.size()) * 100); log(" Vertex counts: %i -> %i %0.1f%%\n", (int)m->volumes[v].faces.size() * 3, (int)om->volumes[v].points.size(), float(om->volumes[v].points.size()) / float(m->volumes[v].faces.size() * 3) * 100); } delete m; log("Optimize model %5.3fs \n", timeElapsed(t)); //om->saveDebugSTL("c:\\models\\output.stl"); log("Slicing model...\n"); vector<Slicer*> slicerList; for(unsigned int volumeIdx=0; volumeIdx < om->volumes.size(); volumeIdx++) { slicerList.push_back(new Slicer(&om->volumes[volumeIdx], config.initialLayerThickness / 2, config.layerThickness, config.fixHorrible & FIX_HORRIBLE_KEEP_NONE_CLOSED, config.fixHorrible & FIX_HORRIBLE_EXTENSIVE_STITCHING)); //slicerList[volumeIdx]->dumpSegments("C:\\models\\output.html"); } log("Sliced model in %5.3fs\n", timeElapsed(t)); SliceDataStorage storage; if (config.supportAngle > -1) { fprintf(stdout,"Generating support map...\n"); generateSupportGrid(storage.support, om); } storage.modelSize = om->modelSize; storage.modelMin = om->vMin; storage.modelMax = om->vMax; delete om; log("Generating layer parts...\n"); for(unsigned int volumeIdx=0; volumeIdx < slicerList.size(); volumeIdx++) { storage.volumes.push_back(SliceVolumeStorage()); createLayerParts(storage.volumes[volumeIdx], slicerList[volumeIdx], config.fixHorrible & (FIX_HORRIBLE_UNION_ALL_TYPE_A | FIX_HORRIBLE_UNION_ALL_TYPE_B)); delete slicerList[volumeIdx]; } //carveMultipleVolumes(storage.volumes); generateMultipleVolumesOverlap(storage.volumes, config.multiVolumeOverlap); log("Generated layer parts in %5.3fs\n", timeElapsed(t)); //dumpLayerparts(storage, "c:/models/output.html"); const unsigned int totalLayers = storage.volumes[0].layers.size(); for(unsigned int layerNr=0; layerNr<totalLayers; layerNr++) { for(unsigned int volumeIdx=0; volumeIdx<storage.volumes.size(); volumeIdx++) { generateInsets(&storage.volumes[volumeIdx].layers[layerNr], config.extrusionWidth, config.insetCount); } logProgress("inset",layerNr+1,totalLayers); } log("Generated inset in %5.3fs\n", timeElapsed(t)); //dumpLayerparts(storage, "c:/models/output.html"); for(unsigned int layerNr=0; layerNr<totalLayers; layerNr++) { for(unsigned int volumeIdx=0; volumeIdx<storage.volumes.size(); volumeIdx++) { generateSkins(layerNr, storage.volumes[volumeIdx], config.extrusionWidth, config.downSkinCount, config.upSkinCount, config.infillOverlap); generateSparse(layerNr, storage.volumes[volumeIdx], config.extrusionWidth, config.downSkinCount, config.upSkinCount); } logProgress("skin",layerNr+1,totalLayers); } log("Generated up/down skin in %5.3fs\n", timeElapsed(t)); generateSkirt(storage, config.skirtDistance, config.extrusionWidth, config.skirtLineCount, config.skirtMinLength); generateRaft(storage, config.raftMargin, config.supportAngle, config.supportEverywhere > 0, config.supportXYDistance); for(unsigned int volumeIdx=0; volumeIdx<storage.volumes.size(); volumeIdx++) { for(unsigned int layerNr=0; layerNr<totalLayers; layerNr++) { for(unsigned int partNr=0; partNr<storage.volumes[volumeIdx].layers[layerNr].parts.size(); partNr++) { if (layerNr > 0) storage.volumes[volumeIdx].layers[layerNr].parts[partNr].bridgeAngle = bridgeAngle(&storage.volumes[volumeIdx].layers[layerNr].parts[partNr], &storage.volumes[volumeIdx].layers[layerNr-1]); else storage.volumes[volumeIdx].layers[layerNr].parts[partNr].bridgeAngle = -1; } } } gcode.setRetractionSettings(config.retractionAmount, config.retractionSpeed, config.retractionAmountExtruderSwitch, config.minimalExtrusionBeforeRetraction); if (firstFile) { if (gcode.getFlavor() == GCODE_FLAVOR_ULTIGCODE) { gcode.addCode(";FLAVOR:UltiGCode"); gcode.addCode(";TIME:<__TIME__>"); gcode.addCode(";MATERIAL:<FILAMENT>"); } gcode.addCode(config.startCode); }else{ gcode.addFanCommand(0); gcode.resetExtrusionValue(); gcode.addRetraction(); gcode.setZ(maxObjectHeight + 5000); gcode.addMove(Point(storage.modelMin.x, storage.modelMin.y), config.moveSpeed, 0); } gcode.addComment("total_layers=%d",totalLayers); GCodePathConfig skirtConfig(config.printSpeed, config.extrusionWidth, "SKIRT"); GCodePathConfig inset0Config(config.printSpeed, config.extrusionWidth, "WALL-OUTER"); GCodePathConfig inset1Config(config.printSpeed, config.extrusionWidth, "WALL-INNER"); GCodePathConfig fillConfig(config.infillSpeed, config.extrusionWidth, "FILL"); GCodePathConfig supportConfig(config.printSpeed, config.extrusionWidth, "SUPPORT"); if (config.raftBaseThickness > 0 && config.raftInterfaceThickness > 0) { GCodePathConfig raftBaseConfig(config.initialLayerSpeed, config.raftBaseLinewidth, "SUPPORT"); GCodePathConfig raftInterfaceConfig(config.initialLayerSpeed, config.raftInterfaceLinewidth, "SUPPORT"); { gcode.addComment("LAYER:-2"); gcode.addComment("RAFT"); GCodePlanner gcodeLayer(gcode, config.moveSpeed, config.retractionMinimalDistance); gcode.setZ(config.raftBaseThickness); gcode.setExtrusion(config.raftBaseThickness, config.filamentDiameter, config.filamentFlow); gcodeLayer.addPolygonsByOptimizer(storage.raftOutline, &raftBaseConfig); Polygons raftLines; generateLineInfill(storage.raftOutline, raftLines, config.raftBaseLinewidth, config.raftLineSpacing, config.infillOverlap, 0); gcodeLayer.addPolygonsByOptimizer(raftLines, &raftBaseConfig); gcodeLayer.writeGCode(false); } { gcode.addComment("LAYER:-1"); gcode.addComment("RAFT"); GCodePlanner gcodeLayer(gcode, config.moveSpeed, config.retractionMinimalDistance); gcode.setZ(config.raftBaseThickness + config.raftInterfaceThickness); gcode.setExtrusion(config.raftInterfaceThickness, config.filamentDiameter, config.filamentFlow); Polygons raftLines; generateLineInfill(storage.raftOutline, raftLines, config.raftInterfaceLinewidth, config.raftLineSpacing, config.infillOverlap, 90); gcodeLayer.addPolygonsByOptimizer(raftLines, &raftInterfaceConfig); gcodeLayer.writeGCode(false); } } int volumeIdx = 0; for(unsigned int layerNr=0; layerNr<totalLayers; layerNr++) { logProgress("export", layerNr+1, totalLayers); GCodePlanner gcodeLayer(gcode, config.moveSpeed, config.retractionMinimalDistance); gcode.addComment("LAYER:%d", layerNr); int32_t z = config.initialLayerThickness + layerNr * config.layerThickness; z += config.raftBaseThickness + config.raftInterfaceThickness; gcode.setZ(z); if (layerNr == 0) gcodeLayer.addPolygonsByOptimizer(storage.skirt, &skirtConfig); for(unsigned int volumeCnt = 0; volumeCnt < storage.volumes.size(); volumeCnt++) { if (volumeCnt > 0) volumeIdx = (volumeIdx + 1) % storage.volumes.size(); SliceLayer* layer = &storage.volumes[volumeIdx].layers[layerNr]; gcodeLayer.setExtruder(volumeIdx); PathOptimizer partOrderOptimizer(gcode.getPositionXY()); for(unsigned int partNr=0; partNr<layer->parts.size(); partNr++) { partOrderOptimizer.addPolygon(layer->parts[partNr].insets[0][0]); } partOrderOptimizer.optimize(); for(unsigned int partCounter=0; partCounter<partOrderOptimizer.polyOrder.size(); partCounter++) { SliceLayerPart* part = &layer->parts[partOrderOptimizer.polyOrder[partCounter]]; if (config.enableCombing) gcodeLayer.setCombBoundary(&part->combBoundery); else gcodeLayer.setAlwaysRetract(true); gcodeLayer.forceRetract(); if (config.insetCount > 0) { for(int insetNr=part->insets.size()-1; insetNr>-1; insetNr--) { if (insetNr == 0) gcodeLayer.addPolygonsByOptimizer(part->insets[insetNr], &inset0Config); else gcodeLayer.addPolygonsByOptimizer(part->insets[insetNr], &inset1Config); } } Polygons fillPolygons; int fillAngle = 45; if (layerNr & 1) fillAngle += 90; //int sparseSteps[1] = {config.extrusionWidth}; //generateConcentricInfill(part->skinOutline, fillPolygons, sparseSteps, 1); generateLineInfill(part->skinOutline, fillPolygons, config.extrusionWidth, config.extrusionWidth, config.infillOverlap, (part->bridgeAngle > -1) ? part->bridgeAngle : fillAngle); //int sparseSteps[2] = {config.extrusionWidth*5, config.extrusionWidth * 0.8}; //generateConcentricInfill(part->sparseOutline, fillPolygons, sparseSteps, 2); if (config.sparseInfillLineDistance > 0) { if (config.sparseInfillLineDistance > config.extrusionWidth * 4) { generateLineInfill(part->sparseOutline, fillPolygons, config.extrusionWidth, config.sparseInfillLineDistance * 2, config.infillOverlap, 45); generateLineInfill(part->sparseOutline, fillPolygons, config.extrusionWidth, config.sparseInfillLineDistance * 2, config.infillOverlap, 45 + 90); } else { generateLineInfill(part->sparseOutline, fillPolygons, config.extrusionWidth, config.sparseInfillLineDistance, config.infillOverlap, fillAngle); } } gcodeLayer.addPolygonsByOptimizer(fillPolygons, &fillConfig); //After a layer part, make sure the nozzle is inside the comb boundary, so we do not retract on the perimeter. gcodeLayer.moveInsideCombBoundary(); } gcodeLayer.setCombBoundary(NULL); } if (config.supportAngle > -1) { if (config.supportExtruder > -1) gcodeLayer.setExtruder(config.supportExtruder); SupportPolyGenerator supportGenerator(storage.support, z, config.supportAngle, config.supportEverywhere > 0, config.supportXYDistance, config.supportZDistance); ClipperLib::Clipper supportClipper; supportClipper.AddPolygons(supportGenerator.polygons, ClipperLib::ptSubject); for(unsigned int volumeCnt = 0; volumeCnt < storage.volumes.size(); volumeCnt++) { SliceLayer* layer = &storage.volumes[volumeIdx].layers[layerNr]; Polygons polys; for(unsigned int n=0; n<layer->parts.size(); n++) for(unsigned int m=0; m<layer->parts[n].outline.size(); m++) polys.push_back(layer->parts[n].outline[m]); ClipperLib::OffsetPolygons(polys, polys, config.supportXYDistance, ClipperLib::jtSquare, 2, false); supportClipper.AddPolygons(polys, ClipperLib::ptClip); } supportClipper.Execute(ClipperLib::ctDifference, supportGenerator.polygons); Polygons supportLines; if (config.supportLineDistance > 0) { if (config.supportLineDistance > config.extrusionWidth * 4) { generateLineInfill(supportGenerator.polygons, supportLines, config.extrusionWidth, config.supportLineDistance*2, config.infillOverlap, 0); generateLineInfill(supportGenerator.polygons, supportLines, config.extrusionWidth, config.supportLineDistance*2, config.infillOverlap, 90); }else{ generateLineInfill(supportGenerator.polygons, supportLines, config.extrusionWidth, config.supportLineDistance, config.infillOverlap, (layerNr & 1) ? 0 : 90); } } gcodeLayer.addPolygonsByOptimizer(supportGenerator.polygons, &supportConfig); gcodeLayer.addPolygonsByOptimizer(supportLines, &supportConfig); } //Finish the layer by applying speed corrections for minimal layer times and slowdown for the initial layer. if (int(layerNr) < config.initialSpeedupLayers) { int n = config.initialSpeedupLayers; int layer0Factor = config.initialLayerSpeed * 100 / config.printSpeed; gcodeLayer.setExtrudeSpeedFactor((layer0Factor * (n - layerNr) + 100 * (layerNr)) / n); } gcodeLayer.forceMinimalLayerTime(config.minimalLayerTime, config.minimalFeedrate); if (layerNr == 0) gcode.setExtrusion(config.initialLayerThickness, config.filamentDiameter, config.filamentFlow); else gcode.setExtrusion(config.layerThickness, config.filamentDiameter, config.filamentFlow); if (int(layerNr) >= config.fanOnLayerNr) { int speed = config.fanSpeedMin; if (gcodeLayer.getExtrudeSpeedFactor() <= 50) { speed = config.fanSpeedMax; }else{ int n = gcodeLayer.getExtrudeSpeedFactor() - 50; speed = config.fanSpeedMin * n / 50 + config.fanSpeedMax * (50 - n) / 50; } gcode.addFanCommand(speed); }else{ gcode.addFanCommand(0); } gcodeLayer.writeGCode(config.coolHeadLift > 0); } /* support debug for(int32_t y=0; y<storage.support.gridHeight; y++) { for(int32_t x=0; x<storage.support.gridWidth; x++) { unsigned int n = x+y*storage.support.gridWidth; if (storage.support.grid[n].size() < 1) continue; int32_t z = storage.support.grid[n][0].z; gcode.addMove(Point3(x * storage.support.gridScale + storage.support.gridOffset.X, y * storage.support.gridScale + storage.support.gridOffset.Y, 0), 0); gcode.addMove(Point3(x * storage.support.gridScale + storage.support.gridOffset.X, y * storage.support.gridScale + storage.support.gridOffset.Y, z), z); gcode.addMove(Point3(x * storage.support.gridScale + storage.support.gridOffset.X, y * storage.support.gridScale + storage.support.gridOffset.Y, 0), 0); } } //*/ log("Wrote layers in %5.2fs.\n", timeElapsed(t)); gcode.tellFileSize(); gcode.addFanCommand(0); logProgress("process", 1, 1); log("Total time elapsed %5.2fs.\n", timeElapsed(t,true)); //Store the object height for when we are printing multiple objects, as we need to clear every one of them when moving to the next position. maxObjectHeight = std::max(maxObjectHeight, storage.modelSize.z); }