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); }