private void AddSupportToGCode(SliceDataStorage storage, GCodePlanner gcodeLayer, int layerIndex, ConfigSettings config) { if (!storage.support.generated) { return; } if (config.supportExtruder > -1) { int prevExtruder = gcodeLayer.getExtruder(); if (gcodeLayer.SetExtruder(config.supportExtruder)) { addWipeTower(storage, gcodeLayer, layerIndex, prevExtruder, config.extrusionWidth_um); } if (storage.wipeShield.Count > 0 && storage.volumes.Count == 1) { gcodeLayer.SetAlwaysRetract(true); gcodeLayer.WritePolygonsByOptimizer(storage.wipeShield[layerIndex], skirtConfig); gcodeLayer.SetAlwaysRetract(config.avoidCrossingPerimeters); } } int currentZHeight_um = config.firstLayerThickness_um; if (layerIndex == 0) { currentZHeight_um /= 2; } else { if (layerIndex > 1) { currentZHeight_um += (layerIndex - 1) * config.layerThickness_um; } currentZHeight_um += config.layerThickness_um / 2; } SupportPolyGenerator supportGenerator = new SupportPolyGenerator(storage.support, currentZHeight_um); WriteSupportPolygons(storage, gcodeLayer, layerIndex, config, supportGenerator.supportPolygons, SupportType.General); if (config.supportInterfaceExtruder != -1 && config.supportInterfaceExtruder != config.supportExtruder) { gcodeLayer.SetExtruder(config.supportInterfaceExtruder); } WriteSupportPolygons(storage, gcodeLayer, layerIndex, config, supportGenerator.interfacePolygons, SupportType.Interface); }
private void writeGCode(SliceDataStorage storage) { gcode.WriteComment("filamentDiameter = {0}".FormatWith(config.filamentDiameter)); gcode.WriteComment("extrusionWidth = {0}".FormatWith(config.extrusionWidth)); gcode.WriteComment("firstLayerExtrusionWidth = {0}".FormatWith(config.firstLayerExtrusionWidth)); gcode.WriteComment("layerThickness = {0}".FormatWith(config.layerThickness)); gcode.WriteComment("firstLayerThickness = {0}".FormatWith(config.firstLayerThickness)); if (fileNumber == 1) { if (gcode.GetOutputType() == ConfigConstants.OUTPUT_TYPE.ULTIGCODE) { gcode.WriteComment("TYPE:UltiGCode"); gcode.WriteComment("TIME:<__TIME__>"); gcode.WriteComment("MATERIAL:<FILAMENT>"); gcode.WriteComment("MATERIAL2:<FILAMEN2>"); } gcode.WriteCode(config.startCode); if (gcode.GetOutputType() == ConfigConstants.OUTPUT_TYPE.BFB) { gcode.WriteComment("enable auto-retraction"); gcode.WriteLine("M227 S{0} P{1}".FormatWith(config.retractionOnTravel * 2560, config.retractionOnTravel * 2560)); } } else { gcode.WriteFanCommand(0); gcode.ResetExtrusionValue(); gcode.WriteRetraction(); gcode.setZ(maxObjectHeight + 5000); gcode.WriteMove(gcode.GetPositionXY(), config.travelSpeed, 0); gcode.WriteMove(new IntPoint(storage.modelMin.x, storage.modelMin.y), config.travelSpeed, 0); } fileNumber++; int totalLayers = storage.volumes[0].layers.Count; // let's remove any of the layers on top that are empty { for (int layerIndex = totalLayers - 1; layerIndex >= 0; layerIndex--) { bool layerHasData = false; foreach (SliceVolumeStorage currentVolume in storage.volumes) { SliceLayer currentLayer = currentVolume.layers[layerIndex]; for (int partIndex = 0; partIndex < currentVolume.layers[layerIndex].parts.Count; partIndex++) { SliceLayerPart currentPart = currentLayer.parts[partIndex]; if (currentPart.TotalOutline.Count > 0) { layerHasData = true; break; } } } if (layerHasData) { break; } totalLayers--; } } gcode.WriteComment("Layer count: {0}".FormatWith(totalLayers)); // keep the raft generation code inside of raft Raft.GenerateRaftGCodeIfRequired(storage, config, gcode); int volumeIndex = 0; for (int layerIndex = 0; layerIndex < totalLayers; layerIndex++) { if (MatterSlice.Canceled) { return; } LogOutput.Log("Writing Layers {0}/{1}\n".FormatWith(layerIndex + 1, totalLayers)); LogOutput.logProgress("export", layerIndex + 1, totalLayers); int extrusionWidth_um = config.extrusionWidth_um; if (layerIndex == 0) { extrusionWidth_um = config.firstLayerExtrusionWidth_um; } if (layerIndex == 0) { skirtConfig.setData(config.firstLayerSpeed, extrusionWidth_um, "SKIRT"); inset0Config.setData(config.firstLayerSpeed, extrusionWidth_um, "WALL-OUTER"); insetXConfig.setData(config.firstLayerSpeed, extrusionWidth_um, "WALL-INNER"); fillConfig.setData(config.firstLayerSpeed, extrusionWidth_um, "FILL", false); bridgConfig.setData(config.firstLayerSpeed, extrusionWidth_um, "BRIDGE"); supportNormalConfig.setData(config.firstLayerSpeed, config.supportExtrusionWidth_um, "SUPPORT"); supportInterfaceConfig.setData(config.firstLayerSpeed, config.extrusionWidth_um, "SUPPORT-INTERFACE"); } else { skirtConfig.setData(config.insidePerimetersSpeed, extrusionWidth_um, "SKIRT"); inset0Config.setData(config.outsidePerimeterSpeed, extrusionWidth_um, "WALL-OUTER"); insetXConfig.setData(config.insidePerimetersSpeed, extrusionWidth_um, "WALL-INNER"); fillConfig.setData(config.infillSpeed, extrusionWidth_um, "FILL", false); bridgConfig.setData(config.bridgeSpeed, extrusionWidth_um, "BRIDGE"); supportNormalConfig.setData(config.supportMaterialSpeed, config.supportExtrusionWidth_um, "SUPPORT"); supportInterfaceConfig.setData(config.supportMaterialSpeed, config.extrusionWidth_um, "SUPPORT-INTERFACE"); } gcode.WriteComment("LAYER:{0}".FormatWith(layerIndex)); if (layerIndex == 0) { gcode.SetExtrusion(config.firstLayerThickness_um, config.filamentDiameter_um, config.extrusionMultiplier); } else { gcode.SetExtrusion(config.layerThickness_um, config.filamentDiameter_um, config.extrusionMultiplier); } GCodePlanner gcodeLayer = new GCodePlanner(gcode, config.travelSpeed, config.minimumTravelToCauseRetraction_um); // get the correct height for this layer int z = config.firstLayerThickness_um + layerIndex * config.layerThickness_um; if (config.enableRaft) { z += config.raftBaseThickness_um + config.raftInterfaceThicknes_um + config.raftSurfaceLayers * config.raftSurfaceThickness_um; if (layerIndex == 0) { // We only raise the first layer of the print up by the air gap. // To give it: // Less press into the raft // More time to cool // more surface area to air while extruding z += config.raftAirGap_um; } } gcode.setZ(z); // We only create the skirt if we are on layer 0 and the first volume and there is no raft. if (layerIndex == 0 && volumeIndex == 0 && !Raft.ShouldGenerateRaft(config)) { AddSkirtToGCode(storage, gcodeLayer, volumeIndex, layerIndex); } bool printSupportFirst = (storage.support.generated && config.supportExtruder >= 0 && config.supportExtruder == gcodeLayer.getExtruder()); if (printSupportFirst) { AddSupportToGCode(storage, gcodeLayer, layerIndex, config); } int fanSpeedPercent = GetFanSpeed(layerIndex, gcodeLayer); for (int volumeCnt = 0; volumeCnt < storage.volumes.Count; volumeCnt++) { if (volumeCnt > 0) { volumeIndex = (volumeIndex + 1) % storage.volumes.Count; } AddVolumeLayerToGCode(storage, gcodeLayer, volumeIndex, layerIndex, extrusionWidth_um, fanSpeedPercent); } if (!printSupportFirst) { AddSupportToGCode(storage, gcodeLayer, layerIndex, config); } //Finish the layer by applying speed corrections for minimum layer times. gcodeLayer.ForceMinimumLayerTime(config.minimumLayerTimeSeconds, config.minimumPrintingSpeed); gcode.WriteFanCommand(fanSpeedPercent); int currentLayerThickness_um = config.layerThickness_um; if (layerIndex <= 0) { currentLayerThickness_um = config.firstLayerThickness_um; } gcodeLayer.WriteGCode(config.doCoolHeadLift, currentLayerThickness_um); } LogOutput.Log("Wrote layers in {0:0.00}s.\n".FormatWith(timeKeeper.Elapsed.Seconds)); timeKeeper.Restart(); gcode.TellFileSize(); gcode.WriteFanCommand(0); //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 = Math.Max(maxObjectHeight, storage.modelSize.z); }
private void addWipeTower(SliceDataStorage storage, GCodePlanner gcodeLayer, int layerNr, int prevExtruder, int extrusionWidth_um) { if (config.wipeTowerSize_um < 1) { return; } //If we changed extruder, print the wipe/prime tower for this nozzle; gcodeLayer.WritePolygonsByOptimizer(storage.wipeTower, supportInterfaceConfig); Polygons fillPolygons = new Polygons(); Infill.GenerateLinePaths(storage.wipeTower, ref fillPolygons, extrusionWidth_um, config.infillExtendIntoPerimeter_um, 45 + 90 * (layerNr % 2)); gcodeLayer.WritePolygonsByOptimizer(fillPolygons, supportInterfaceConfig); //Make sure we wipe the old extruder on the wipe tower. gcodeLayer.WriteTravel(storage.wipePoint - config.extruderOffsets[prevExtruder] + config.extruderOffsets[gcodeLayer.getExtruder()]); }
//Add a single layer from a single mesh-volume to the GCode private void AddVolumeLayerToGCode(SliceDataStorage storage, GCodePlanner gcodeLayer, int volumeIndex, int layerIndex, int extrusionWidth_um, int fanSpeedPercent) { int prevExtruder = gcodeLayer.getExtruder(); bool extruderChanged = gcodeLayer.SetExtruder(volumeIndex); SliceLayer layer = storage.volumes[volumeIndex].layers[layerIndex]; if (extruderChanged) { addWipeTower(storage, gcodeLayer, layerIndex, prevExtruder, extrusionWidth_um); } if (storage.wipeShield.Count > 0 && storage.volumes.Count > 1) { gcodeLayer.SetAlwaysRetract(true); gcodeLayer.WritePolygonsByOptimizer(storage.wipeShield[layerIndex], skirtConfig); gcodeLayer.SetAlwaysRetract(!config.avoidCrossingPerimeters); } PathOrderOptimizer partOrderOptimizer = new PathOrderOptimizer(new IntPoint()); for (int partIndex = 0; partIndex < layer.parts.Count; partIndex++) { if (config.continuousSpiralOuterPerimeter && partIndex > 0) { continue; } partOrderOptimizer.AddPolygon(layer.parts[partIndex].Insets[0][0]); } partOrderOptimizer.Optimize(); for (int partIndex = 0; partIndex < partOrderOptimizer.bestPolygonOrderIndex.Count; partIndex++) { if (config.continuousSpiralOuterPerimeter && partIndex > 0) { continue; } SliceLayerPart part = layer.parts[partOrderOptimizer.bestPolygonOrderIndex[partIndex]]; if (config.avoidCrossingPerimeters) { gcodeLayer.SetOuterPerimetersToAvoidCrossing(part.AvoidCrossingBoundery); } else { gcodeLayer.SetAlwaysRetract(true); } Polygons fillPolygons = new Polygons(); Polygons bridgePolygons = new Polygons(); CalculateInfillData(storage, volumeIndex, layerIndex, part, ref fillPolygons, ref bridgePolygons); // Write the bridge polgons out first so the perimeter will have more to hold to while bridging the gaps. // It would be even better to slow down the perimeters that are part of bridges but that is a bit harder. if (bridgePolygons.Count > 0) { gcode.WriteFanCommand(config.bridgeFanSpeedPercent); gcodeLayer.WritePolygonsByOptimizer(bridgePolygons, bridgConfig); gcode.WriteFanCommand(fanSpeedPercent); } if (config.numberOfPerimeters > 0) { if (partIndex != lastPartIndex) { // force a retract if changing islands gcodeLayer.ForceRetract(); lastPartIndex = partIndex; } if (config.continuousSpiralOuterPerimeter) { if (layerIndex >= config.numberOfBottomLayers) { inset0Config.spiralize = true; } } // If we are on the very first layer we start with the outside in so that we can stick to the bed better. if (config.outsidePerimetersFirst || layerIndex == 0 || inset0Config.spiralize) { // First the outside (this helps with accuracy) if (part.Insets.Count > 0) { gcodeLayer.WritePolygonsByOptimizer(part.Insets[0], inset0Config); } if (!inset0Config.spiralize) { for (int perimeterIndex = 1; perimeterIndex < part.Insets.Count; perimeterIndex++) { gcodeLayer.WritePolygonsByOptimizer(part.Insets[perimeterIndex], insetXConfig); } } } else // This is so we can do overhanges better (the outside can stick a bit to the inside). { // Print everything but the first perimeter from the outside in so the little parts have more to stick to. for (int perimeterIndex = 1; perimeterIndex < part.Insets.Count; perimeterIndex++) { gcodeLayer.WritePolygonsByOptimizer(part.Insets[perimeterIndex], insetXConfig); } // then 0 if (part.Insets.Count > 0) { gcodeLayer.WritePolygonsByOptimizer(part.Insets[0], inset0Config); } } } gcodeLayer.WritePolygonsByOptimizer(fillPolygons, fillConfig); //After a layer part, make sure the nozzle is inside the comb boundary, so we do not retract on the perimeter. if (!config.continuousSpiralOuterPerimeter || layerIndex < config.numberOfBottomLayers) { gcodeLayer.MoveInsideTheOuterPerimeter(extrusionWidth_um * 2); } } gcodeLayer.SetOuterPerimetersToAvoidCrossing(null); }
//Add a single layer from a single extruder to the GCode private void QueueAirGappedExtruderLayerToGCode(LayerDataStorage slicingData, GCodePlanner gcodeLayer, int extruderIndex, int layerIndex, int extrusionWidth_um, int fanSpeedPercent, long currentZ_um) { if (config.generateSupport && !config.continuousSpiralOuterPerimeter && layerIndex > 0) { int prevExtruder = gcodeLayer.getExtruder(); bool extruderChanged = gcodeLayer.SetExtruder(extruderIndex); SliceLayer layer = slicingData.Extruders[extruderIndex].Layers[layerIndex]; PathOrderOptimizer partOrderOptimizer = new PathOrderOptimizer(new IntPoint()); for (int partIndex = 0; partIndex < layer.Islands.Count; partIndex++) { if (config.continuousSpiralOuterPerimeter && partIndex > 0) { continue; } partOrderOptimizer.AddPolygon(layer.Islands[partIndex].InsetToolPaths[0][0]); } partOrderOptimizer.Optimize(); List<Polygons> bottomFillIslandPolygons = new List<Polygons>(); for (int inlandIndex = 0; inlandIndex < partOrderOptimizer.bestPolygonOrderIndex.Count; inlandIndex++) { if (config.continuousSpiralOuterPerimeter && inlandIndex > 0) { continue; } LayerIsland part = layer.Islands[partOrderOptimizer.bestPolygonOrderIndex[inlandIndex]]; if (config.avoidCrossingPerimeters) { gcodeLayer.SetOuterPerimetersToAvoidCrossing(part.AvoidCrossingBoundery); } else { gcodeLayer.SetAlwaysRetract(true); } Polygons fillPolygons = new Polygons(); Polygons topFillPolygons = new Polygons(); Polygons bridgePolygons = new Polygons(); Polygons bottomFillPolygons = new Polygons(); CalculateInfillData(slicingData, extruderIndex, layerIndex, part, ref bottomFillPolygons, ref fillPolygons, ref topFillPolygons, ref bridgePolygons); bottomFillIslandPolygons.Add(bottomFillPolygons); // Write the bridge polygons out first so the perimeter will have more to hold to while bridging the gaps. // It would be even better to slow down the perimeters that are part of bridges but that is a bit harder. if (bridgePolygons.Count > 0) { gcode.WriteFanCommand(config.bridgeFanSpeedPercent); gcodeLayer.QueuePolygonsByOptimizer(bridgePolygons, bridgConfig); } if (config.numberOfPerimeters > 0) { if (inlandIndex != lastPartIndex) { // force a retract if changing islands gcodeLayer.ForceRetract(); lastPartIndex = inlandIndex; } if (config.continuousSpiralOuterPerimeter) { if (layerIndex >= config.numberOfBottomLayers) { inset0Config.spiralize = true; } } } //After a layer part, make sure the nozzle is inside the comb boundary, so we do not retract on the perimeter. if (!config.continuousSpiralOuterPerimeter || layerIndex < config.numberOfBottomLayers) { gcodeLayer.MoveInsideTheOuterPerimeter(extrusionWidth_um * 2); } // Print everything but the first perimeter from the outside in so the little parts have more to stick to. for (int perimeterIndex = 1; perimeterIndex < part.InsetToolPaths.Count; perimeterIndex++) { QueuePolygonsConsideringSupport(layerIndex, gcodeLayer, part.InsetToolPaths[perimeterIndex], insetXConfig, SupportWriteType.SupportedAreas); } // then 0 if (part.InsetToolPaths.Count > 0) { QueuePolygonsConsideringSupport(layerIndex, gcodeLayer, part.InsetToolPaths[0], inset0Config, SupportWriteType.SupportedAreas); } QueuePolygonsConsideringSupport(layerIndex, gcodeLayer, bottomFillIslandPolygons[inlandIndex], bottomFillConfig, SupportWriteType.SupportedAreas); } } gcodeLayer.SetOuterPerimetersToAvoidCrossing(null); }
//Add a single layer from a single extruder to the GCode private void QueueExtruderLayerToGCode(LayerDataStorage slicingData, GCodePlanner gcodeLayer, int extruderIndex, int layerIndex, int extrusionWidth_um, int fanSpeedPercent, long currentZ_um) { int prevExtruder = gcodeLayer.getExtruder(); bool extruderChanged = gcodeLayer.SetExtruder(extruderIndex); SliceLayer layer = slicingData.Extruders[extruderIndex].Layers[layerIndex]; if (extruderChanged) { addWipeTower(slicingData, gcodeLayer, layerIndex, prevExtruder, extrusionWidth_um); } if (slicingData.wipeShield.Count > 0 && slicingData.Extruders.Count > 1) { gcodeLayer.SetAlwaysRetract(true); gcodeLayer.QueuePolygonsByOptimizer(slicingData.wipeShield[layerIndex], skirtConfig); gcodeLayer.SetAlwaysRetract(!config.avoidCrossingPerimeters); } PathOrderOptimizer partOrderOptimizer = new PathOrderOptimizer(new IntPoint()); for (int partIndex = 0; partIndex < layer.Islands.Count; partIndex++) { if (config.continuousSpiralOuterPerimeter && partIndex > 0) { continue; } partOrderOptimizer.AddPolygon(layer.Islands[partIndex].InsetToolPaths[0][0]); } partOrderOptimizer.Optimize(); List<Polygons> bottomFillIslandPolygons = new List<Polygons>(); for (int partIndex = 0; partIndex < partOrderOptimizer.bestPolygonOrderIndex.Count; partIndex++) { if (config.continuousSpiralOuterPerimeter && partIndex > 0) { continue; } LayerIsland island = layer.Islands[partOrderOptimizer.bestPolygonOrderIndex[partIndex]]; if (config.avoidCrossingPerimeters) { gcodeLayer.SetOuterPerimetersToAvoidCrossing(island.AvoidCrossingBoundery); } else { gcodeLayer.SetAlwaysRetract(true); } Polygons fillPolygons = new Polygons(); Polygons topFillPolygons = new Polygons(); Polygons bridgePolygons = new Polygons(); Polygons bottomFillPolygons = new Polygons(); CalculateInfillData(slicingData, extruderIndex, layerIndex, island, ref bottomFillPolygons, ref fillPolygons, ref topFillPolygons, ref bridgePolygons); bottomFillIslandPolygons.Add(bottomFillPolygons); // Write the bridge polygons out first so the perimeter will have more to hold to while bridging the gaps. // It would be even better to slow down the perimeters that are part of bridges but that is a bit harder. if (bridgePolygons.Count > 0) { gcode.WriteFanCommand(config.bridgeFanSpeedPercent); gcodeLayer.QueuePolygonsByOptimizer(bridgePolygons, bridgConfig); } if (config.numberOfPerimeters > 0) { if (partIndex != lastPartIndex) { // force a retract if changing islands if (config.retractWhenChangingIslands) { gcodeLayer.ForceRetract(); } lastPartIndex = partIndex; } if (config.continuousSpiralOuterPerimeter) { if (layerIndex >= config.numberOfBottomLayers) { inset0Config.spiralize = true; } } // If we are on the very first layer we start with the outside so that we can stick to the bed better. if (config.outsidePerimetersFirst || layerIndex == 0 || inset0Config.spiralize) { if (inset0Config.spiralize) { if (island.InsetToolPaths.Count > 0) { Polygon outsideSinglePolygon = island.InsetToolPaths[0][0]; gcodeLayer.QueuePolygonsByOptimizer(new Polygons() { outsideSinglePolygon }, inset0Config); } } else { // First the outside (this helps with accuracy) if (island.InsetToolPaths.Count > 0) { QueuePolygonsConsideringSupport(layerIndex, gcodeLayer, island.InsetToolPaths[0], inset0Config, SupportWriteType.UnsupportedAreas); } for (int perimeterIndex = 1; perimeterIndex < island.InsetToolPaths.Count; perimeterIndex++) { QueuePolygonsConsideringSupport(layerIndex, gcodeLayer, island.InsetToolPaths[perimeterIndex], insetXConfig, SupportWriteType.UnsupportedAreas); } } } else // This is so we can do overhangs better (the outside can stick a bit to the inside). { // Figure out where the seam hiding start point is for inset 0 and move to that spot so // we have the minimum travel while starting inset 0 after printing the rest of the insets if (island?.InsetToolPaths?[0]?[0]?.Count > 0) { int bestPoint = PathOrderOptimizer.GetBestEdgeIndex(island.InsetToolPaths[0][0]); gcodeLayer.QueueTravel(island.InsetToolPaths[0][0][bestPoint]); } // Print everything but the first perimeter from the outside in so the little parts have more to stick to. for (int perimeterIndex = 1; perimeterIndex < island.InsetToolPaths.Count; perimeterIndex++) { QueuePolygonsConsideringSupport(layerIndex, gcodeLayer, island.InsetToolPaths[perimeterIndex], insetXConfig, SupportWriteType.UnsupportedAreas); } // then 0 if (island.InsetToolPaths.Count > 0) { QueuePolygonsConsideringSupport(layerIndex, gcodeLayer, island.InsetToolPaths[0], inset0Config, SupportWriteType.UnsupportedAreas); } } } gcodeLayer.QueuePolygonsByOptimizer(fillPolygons, fillConfig); QueuePolygonsConsideringSupport(layerIndex, gcodeLayer, bottomFillPolygons, bottomFillConfig, SupportWriteType.UnsupportedAreas); gcodeLayer.QueuePolygonsByOptimizer(topFillPolygons, topFillConfig); //After a layer part, make sure the nozzle is inside the comb boundary, so we do not retract on the perimeter. if (!config.continuousSpiralOuterPerimeter || layerIndex < config.numberOfBottomLayers) { gcodeLayer.MoveInsideTheOuterPerimeter(extrusionWidth_um * 2); } } gcodeLayer.SetOuterPerimetersToAvoidCrossing(null); }