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fffProcessor.cs
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/*
This file is part of MatterSlice. A command line utility for
generating 3D printing GCode.
Copyright (C) 2013 David Braam
Copyright (c) 2014, Lars Brubaker
MatterSlice is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
using MSClipperLib;
using System;
using System.Collections.Generic;
using System.Diagnostics;
namespace MatterHackers.MatterSlice
{
using Polygon = List<IntPoint>;
using Polygons = List<List<IntPoint>>;
// Fused Filament Fabrication processor.
public class fffProcessor
{
private long maxObjectHeight;
private int fileNumber;
private GCodeExport gcode = new GCodeExport();
private ConfigSettings config;
private Stopwatch timeKeeper = new Stopwatch();
private SimpleMeshCollection simpleMeshCollection = new SimpleMeshCollection();
private OptimizedMeshCollection optomizedMeshCollection;
private LayerDataStorage slicingData = new LayerDataStorage();
private GCodePathConfig skirtConfig = new GCodePathConfig("skirtConfig");
private GCodePathConfig inset0Config = new GCodePathConfig("inset0Config")
{
doSeamHiding = true,
};
private GCodePathConfig insetXConfig = new GCodePathConfig("insetXConfig");
private GCodePathConfig fillConfig = new GCodePathConfig("fillConfig");
private GCodePathConfig topFillConfig = new GCodePathConfig("topFillConfig");
private GCodePathConfig bottomFillConfig = new GCodePathConfig("bottomFillConfig");
private GCodePathConfig airGappedBottomConfig = new GCodePathConfig("airGappedBottomConfig");
private GCodePathConfig bridgeConfig = new GCodePathConfig("bridgeConfig");
private GCodePathConfig supportNormalConfig = new GCodePathConfig("supportNormalConfig");
private GCodePathConfig supportInterfaceConfig = new GCodePathConfig("supportInterfaceConfig");
public fffProcessor(ConfigSettings config)
{
this.config = config;
fileNumber = 1;
maxObjectHeight = 0;
}
public bool SetTargetFile(string filename)
{
gcode.SetFilename(filename);
{
gcode.WriteComment("Generated with MatterSlice {0}".FormatWith(ConfigConstants.VERSION));
}
return gcode.IsOpened();
}
public void DoProcessing()
{
if (!gcode.IsOpened()
|| simpleMeshCollection.SimpleMeshes.Count == 0)
{
return;
}
timeKeeper.Restart();
LogOutput.Log("Analyzing and optimizing model...\n");
optomizedMeshCollection = new OptimizedMeshCollection(simpleMeshCollection);
if (MatterSlice.Canceled)
{
return;
}
optomizedMeshCollection.SetPositionAndSize(simpleMeshCollection, config.PositionToPlaceObjectCenter_um.X, config.PositionToPlaceObjectCenter_um.Y, -config.BottomClipAmount_um, config.CenterObjectInXy);
for (int meshIndex = 0; meshIndex < simpleMeshCollection.SimpleMeshes.Count; meshIndex++)
{
LogOutput.Log(" Face counts: {0} . {1} {2:0.0}%\n".FormatWith((int)simpleMeshCollection.SimpleMeshes[meshIndex].faceTriangles.Count, (int)optomizedMeshCollection.OptimizedMeshes[meshIndex].facesTriangle.Count, (double)(optomizedMeshCollection.OptimizedMeshes[meshIndex].facesTriangle.Count) / (double)(simpleMeshCollection.SimpleMeshes[meshIndex].faceTriangles.Count) * 100));
LogOutput.Log(" Vertex counts: {0} . {1} {2:0.0}%\n".FormatWith((int)simpleMeshCollection.SimpleMeshes[meshIndex].faceTriangles.Count * 3, (int)optomizedMeshCollection.OptimizedMeshes[meshIndex].vertices.Count, (double)(optomizedMeshCollection.OptimizedMeshes[meshIndex].vertices.Count) / (double)(simpleMeshCollection.SimpleMeshes[meshIndex].faceTriangles.Count * 3) * 100));
}
LogOutput.Log("Optimize model {0:0.0}s \n".FormatWith(timeKeeper.Elapsed.TotalSeconds));
timeKeeper.Reset();
Stopwatch timeKeeperTotal = new Stopwatch();
timeKeeperTotal.Start();
preSetup(config.ExtrusionWidth_um);
SliceModels(slicingData);
ProcessSliceData(slicingData);
if (MatterSlice.Canceled)
{
return;
}
writeGCode(slicingData);
if (MatterSlice.Canceled)
{
return;
}
LogOutput.logProgress("process", 1, 1); //Report to the GUI that a file has been fully processed.
LogOutput.Log("Total time elapsed {0:0.00}s.\n".FormatWith(timeKeeperTotal.Elapsed.TotalSeconds));
}
public bool LoadStlFile(string input_filename)
{
preSetup(config.ExtrusionWidth_um);
timeKeeper.Restart();
LogOutput.Log("Loading {0} from disk...\n".FormatWith(input_filename));
if (!SimpleMeshCollection.LoadModelFromFile(simpleMeshCollection, input_filename, config.ModelRotationMatrix))
{
LogOutput.LogError("Failed to load model: {0}\n".FormatWith(input_filename));
return false;
}
LogOutput.Log("Loaded from disk in {0:0.0}s\n".FormatWith(timeKeeper.Elapsed.TotalSeconds));
return true;
}
public void finalize()
{
if (!gcode.IsOpened())
{
return;
}
gcode.Finalize(maxObjectHeight, config.TravelSpeed, config.EndCode);
gcode.Close();
}
private void preSetup(int extrusionWidth)
{
skirtConfig.SetData(config.InsidePerimetersSpeed, extrusionWidth, "SKIRT");
inset0Config.SetData(config.OutsidePerimeterSpeed, config.OutsideExtrusionWidth_um, "WALL-OUTER");
insetXConfig.SetData(config.InsidePerimetersSpeed, extrusionWidth, "WALL-INNER");
fillConfig.SetData(config.InfillSpeed, extrusionWidth, "FILL", false);
topFillConfig.SetData(config.TopInfillSpeed, extrusionWidth, "TOP-FILL", false);
bottomFillConfig.SetData(config.InfillSpeed, extrusionWidth, "BOTTOM-FILL", false);
airGappedBottomConfig.SetData(config.FirstLayerSpeed, extrusionWidth, "AIR-GAP", false);
bridgeConfig.SetData(config.BridgeSpeed, extrusionWidth, "BRIDGE");
supportNormalConfig.SetData(config.SupportMaterialSpeed, extrusionWidth, "SUPPORT");
supportInterfaceConfig.SetData(config.SupportMaterialSpeed - 1, extrusionWidth, "SUPPORT-INTERFACE");
for (int extruderIndex = 0; extruderIndex < ConfigConstants.MAX_EXTRUDERS; extruderIndex++)
{
gcode.SetExtruderOffset(extruderIndex, config.ExtruderOffsets[extruderIndex], -config.ZOffset_um);
}
gcode.SetRetractionSettings(config.RetractionOnTravel, config.RetractionSpeed, config.RetractionOnExtruderSwitch, config.MinimumExtrusionBeforeRetraction, config.RetractionZHop, config.WipeAfterRetraction, config.UnretractExtraExtrusion, config.UnretractExtraOnExtruderSwitch);
gcode.SetToolChangeCode(config.ToolChangeCode, config.BeforeToolchangeCode);
gcode.SetLayerChangeCode(config.LayerChangeCode);
}
private void SliceModels(LayerDataStorage slicingData)
{
timeKeeper.Restart();
#if false
optomizedModel.saveDebugSTL("debug_output.stl");
#endif
LogOutput.Log("Slicing model...\n");
List<Slicer> slicerList = new List<Slicer>();
for (int optimizedMeshIndex = 0; optimizedMeshIndex < optomizedMeshCollection.OptimizedMeshes.Count; optimizedMeshIndex++)
{
Slicer slicer = new Slicer(optomizedMeshCollection.OptimizedMeshes[optimizedMeshIndex], config);
slicerList.Add(slicer);
}
#if false
slicerList[0].DumpSegmentsToGcode("Volume 0 Segments.gcode");
slicerList[0].DumpPolygonsToGcode("Volume 0 Polygons.gcode");
//slicerList[0].DumpPolygonsToHTML("Volume 0 Polygons.html");
#endif
LogOutput.Log("Sliced model in {0:0.0}s\n".FormatWith(timeKeeper.Elapsed.TotalSeconds));
timeKeeper.Restart();
slicingData.modelSize = optomizedMeshCollection.size_um;
slicingData.modelMin = optomizedMeshCollection.minXYZ_um;
slicingData.modelMax = optomizedMeshCollection.maxXYZ_um;
LogOutput.Log("Generating layer parts...\n");
for (int extruderIndex = 0; extruderIndex < slicerList.Count; extruderIndex++)
{
slicingData.Extruders.Add(new ExtruderLayers());
slicingData.Extruders[extruderIndex].InitializeLayerData(slicerList[extruderIndex], config);
if (config.EnableRaft)
{
//Add the raft offset to each layer.
for (int layerIndex = 0; layerIndex < slicingData.Extruders[extruderIndex].Layers.Count; layerIndex++)
{
slicingData.Extruders[extruderIndex].Layers[layerIndex].LayerZ += config.RaftBaseThickness_um + config.RaftInterfaceThicknes_um;
}
}
}
LogOutput.Log("Generated layer parts in {0:0.0}s\n".FormatWith(timeKeeper.Elapsed.TotalSeconds));
timeKeeper.Restart();
}
private void ProcessSliceData(LayerDataStorage slicingData)
{
if (config.ContinuousSpiralOuterPerimeter)
{
config.NumberOfTopLayers = 0;
config.InfillPercent = 0;
}
MultiExtruders.ProcessBooleans(slicingData.Extruders, config.BooleanOpperations);
config.SetExtruderCount(slicingData.Extruders.Count);
MultiExtruders.RemoveExtruderIntersections(slicingData.Extruders);
MultiExtruders.OverlapMultipleExtrudersSlightly(slicingData.Extruders, config.MultiExtruderOverlapPercent);
#if False
LayerPart.dumpLayerparts(slicingData, "output.html");
#endif
if (config.GenerateSupport && !config.ContinuousSpiralOuterPerimeter)
{
LogOutput.Log("Generating support map...\n");
slicingData.support = new NewSupport(config, slicingData.Extruders, 1);
}
slicingData.CreateIslandData();
int totalLayers = slicingData.Extruders[0].Layers.Count;
if (config.outputOnlyFirstLayer)
{
totalLayers = 1;
}
#if DEBUG
for (int extruderIndex = 1; extruderIndex < slicingData.Extruders.Count; extruderIndex++)
{
if (totalLayers != slicingData.Extruders[extruderIndex].Layers.Count)
{
throw new Exception("All the extruders must have the same number of layers (they just can have empty layers).");
}
}
#endif
for (int layerIndex = 0; layerIndex < totalLayers; layerIndex++)
{
for (int extruderIndex = 0; extruderIndex < slicingData.Extruders.Count; extruderIndex++)
{
if (MatterSlice.Canceled)
{
return;
}
int insetCount = config.NumberOfPerimeters;
if (config.ContinuousSpiralOuterPerimeter && (int)(layerIndex) < config.NumberOfBottomLayers && layerIndex % 2 == 1)
{
//Add extra insets every 2 layers when spiralizing, this makes bottoms of cups watertight.
insetCount += 1;
}
SliceLayer layer = slicingData.Extruders[extruderIndex].Layers[layerIndex];
if (layerIndex == 0)
{
layer.GenerateInsets(config.FirstLayerExtrusionWidth_um, config.FirstLayerExtrusionWidth_um, insetCount, config.ExpandThinWalls && !config.ContinuousSpiralOuterPerimeter);
}
else
{
layer.GenerateInsets(config.ExtrusionWidth_um, config.OutsideExtrusionWidth_um, insetCount, config.ExpandThinWalls && !config.ContinuousSpiralOuterPerimeter);
}
}
LogOutput.Log("Creating Insets {0}/{1}\n".FormatWith(layerIndex + 1, totalLayers));
}
slicingData.CreateWipeShield(totalLayers, config);
LogOutput.Log("Generated inset in {0:0.0}s\n".FormatWith(timeKeeper.Elapsed.TotalSeconds));
timeKeeper.Restart();
for (int layerIndex = 0; layerIndex < totalLayers; layerIndex++)
{
if (MatterSlice.Canceled)
{
return;
}
//Only generate bottom and top layers and infill for the first X layers when spiralize is chosen.
if (!config.ContinuousSpiralOuterPerimeter || (int)(layerIndex) < config.NumberOfBottomLayers)
{
for (int extruderIndex = 0; extruderIndex < slicingData.Extruders.Count; extruderIndex++)
{
if (layerIndex == 0)
{
slicingData.Extruders[extruderIndex].GenerateTopAndBottoms(layerIndex, config.FirstLayerExtrusionWidth_um, config.FirstLayerExtrusionWidth_um, config.NumberOfBottomLayers, config.NumberOfTopLayers);
}
else
{
slicingData.Extruders[extruderIndex].GenerateTopAndBottoms(layerIndex, config.ExtrusionWidth_um, config.OutsideExtrusionWidth_um, config.NumberOfBottomLayers, config.NumberOfTopLayers);
}
}
}
LogOutput.Log("Creating Top & Bottom Layers {0}/{1}\n".FormatWith(layerIndex + 1, totalLayers));
}
LogOutput.Log("Generated top bottom layers in {0:0.0}s\n".FormatWith(timeKeeper.Elapsed.TotalSeconds));
timeKeeper.Restart();
slicingData.CreateWipeTower(totalLayers, config);
if (config.EnableRaft)
{
slicingData.GenerateRaftOutlines(config.RaftExtraDistanceAroundPart_um, config);
slicingData.GenerateSkirt(
config.SkirtDistance_um + config.RaftBaseLineSpacing_um,
config.RaftBaseLineSpacing_um,
config.NumberOfSkirtLoops,
config.NumberOfBrimLoops,
config.SkirtMinLength_um,
config.RaftBaseThickness_um, config);
}
else
{
slicingData.GenerateSkirt(
config.SkirtDistance_um,
config.FirstLayerExtrusionWidth_um,
config.NumberOfSkirtLoops,
config.NumberOfBrimLoops,
config.SkirtMinLength_um,
config.FirstLayerThickness_um, config);
}
}
private void writeGCode(LayerDataStorage slicingData)
{
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)
{
gcode.WriteCode(config.StartCode);
}
else
{
gcode.WriteFanCommand(0);
gcode.ResetExtrusionValue();
gcode.WriteRetraction();
gcode.SetZ(maxObjectHeight + 5000);
gcode.WriteMove(gcode.GetPosition(), config.TravelSpeed, 0);
gcode.WriteMove(new IntPoint(slicingData.modelMin.X, slicingData.modelMin.Y, gcode.CurrentZ), config.TravelSpeed, 0);
}
fileNumber++;
int totalLayers = slicingData.Extruders[0].Layers.Count;
if (config.outputOnlyFirstLayer)
{
totalLayers = 1;
}
// let's remove any of the layers on top that are empty
{
for (int layerIndex = totalLayers - 1; layerIndex >= 0; layerIndex--)
{
bool layerHasData = false;
foreach (ExtruderLayers currentExtruder in slicingData.Extruders)
{
SliceLayer currentLayer = currentExtruder.Layers[layerIndex];
for (int partIndex = 0; partIndex < currentExtruder.Layers[layerIndex].Islands.Count; partIndex++)
{
LayerIsland currentIsland = currentLayer.Islands[partIndex];
if (currentIsland.IslandOutline.Count > 0)
{
layerHasData = true;
break;
}
}
}
if (layerHasData)
{
break;
}
totalLayers--;
}
}
gcode.WriteComment("Layer count: {0}".FormatWith(totalLayers));
// keep the raft generation code inside of raft
slicingData.WriteRaftGCodeIfRequired(gcode, config);
for (int layerIndex = 0; layerIndex < totalLayers; layerIndex++)
{
if (MatterSlice.Canceled)
{
return;
}
if(config.outputOnlyFirstLayer && layerIndex > 0)
{
break;
}
LogOutput.Log("Writing Layers {0}/{1}\n".FormatWith(layerIndex + 1, totalLayers));
LogOutput.logProgress("export", layerIndex + 1, totalLayers);
if (layerIndex == 0)
{
skirtConfig.SetData(config.FirstLayerSpeed, config.FirstLayerExtrusionWidth_um, "SKIRT");
inset0Config.SetData(config.FirstLayerSpeed, config.FirstLayerExtrusionWidth_um, "WALL-OUTER");
insetXConfig.SetData(config.FirstLayerSpeed, config.FirstLayerExtrusionWidth_um, "WALL-INNER");
fillConfig.SetData(config.FirstLayerSpeed, config.FirstLayerExtrusionWidth_um, "FILL", false);
topFillConfig.SetData(config.FirstLayerSpeed, config.FirstLayerExtrusionWidth_um, "TOP-FILL", false);
bottomFillConfig.SetData(config.FirstLayerSpeed, config.FirstLayerExtrusionWidth_um, "BOTTOM-FILL", false);
airGappedBottomConfig.SetData(config.FirstLayerSpeed, config.FirstLayerExtrusionWidth_um, "AIR-GAP", false);
bridgeConfig.SetData(config.FirstLayerSpeed, config.FirstLayerExtrusionWidth_um, "BRIDGE");
supportNormalConfig.SetData(config.FirstLayerSpeed, config.SupportExtrusionWidth_um, "SUPPORT");
supportInterfaceConfig.SetData(config.FirstLayerSpeed, config.ExtrusionWidth_um, "SUPPORT-INTERFACE");
}
else
{
skirtConfig.SetData(config.InsidePerimetersSpeed, config.ExtrusionWidth_um, "SKIRT");
inset0Config.SetData(config.OutsidePerimeterSpeed, config.OutsideExtrusionWidth_um, "WALL-OUTER");
insetXConfig.SetData(config.InsidePerimetersSpeed, config.ExtrusionWidth_um, "WALL-INNER");
fillConfig.SetData(config.InfillSpeed, config.ExtrusionWidth_um, "FILL", false);
topFillConfig.SetData(config.TopInfillSpeed, config.ExtrusionWidth_um, "TOP-FILL", false);
bottomFillConfig.SetData(config.InfillSpeed, config.ExtrusionWidth_um, "BOTTOM-FILL", false);
airGappedBottomConfig.SetData(config.FirstLayerSpeed, config.ExtrusionWidth_um, "AIR-GAP", false);
bridgeConfig.SetData(config.BridgeSpeed, config.ExtrusionWidth_um, "BRIDGE");
supportNormalConfig.SetData(config.SupportMaterialSpeed, config.SupportExtrusionWidth_um, "SUPPORT");
supportInterfaceConfig.SetData(config.FirstLayerSpeed - 1, 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, config.PerimeterStartEndOverlapRatio, config.MergeOverlappingLines);
if (layerIndex == 0
&& config.RetractionZHop > 0)
{
gcodeLayer.ForceRetract();
}
// 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);
gcode.LayerChanged(layerIndex);
// We only create the skirt if we are on layer 0.
if (layerIndex == 0 && !config.ShouldGenerateRaft())
{
QueueSkirtToGCode(slicingData, gcodeLayer, layerIndex);
}
int fanSpeedPercent = GetFanSpeed(layerIndex, gcodeLayer);
for (int extruderIndex = 0; extruderIndex < config.MaxExtruderCount(); extruderIndex++)
{
int prevExtruder = gcodeLayer.GetExtruder();
bool extruderChanged = gcodeLayer.SetExtruder(extruderIndex);
if (extruderChanged && slicingData.HaveWipeTower(config))
{
slicingData.PrimeOnWipeTower(extruderIndex, layerIndex, gcodeLayer, fillConfig, config);
//Make sure we wipe the old extruder on the wipe tower.
gcodeLayer.QueueTravel(slicingData.wipePoint - config.ExtruderOffsets[prevExtruder] + config.ExtruderOffsets[gcodeLayer.GetExtruder()]);
}
if (layerIndex == 0)
{
QueueExtruderLayerToGCode(slicingData, gcodeLayer, extruderIndex, layerIndex, config.FirstLayerExtrusionWidth_um, z);
}
else
{
QueueExtruderLayerToGCode(slicingData, gcodeLayer, extruderIndex, layerIndex, config.ExtrusionWidth_um, z);
}
if (slicingData.support != null)
{
if ((config.SupportExtruder <= 0 && extruderIndex == 0)
|| config.SupportExtruder == extruderIndex)
{
slicingData.support.QueueNormalSupportLayer(config, gcodeLayer, layerIndex, supportNormalConfig);
}
if ((config.SupportInterfaceExtruder <= 0 && extruderIndex == 0)
|| config.SupportInterfaceExtruder == extruderIndex)
{
slicingData.support.QueueInterfaceSupportLayer(config, gcodeLayer, layerIndex, supportInterfaceConfig);
}
}
}
slicingData.EnsureWipeTowerIsSolid(layerIndex, gcodeLayer, fillConfig, config);
if (slicingData.support != null)
{
z += config.SupportAirGap_um;
gcode.SetZ(z);
gcodeLayer.QueueTravel(gcodeLayer.LastPosition);
for (int extruderIndex = 0; extruderIndex < slicingData.Extruders.Count; extruderIndex++)
{
QueueAirGappedExtruderLayerToGCode(slicingData, gcodeLayer, extruderIndex, layerIndex, config.ExtrusionWidth_um, z);
}
slicingData.support.QueueAirGappedBottomLayer(config, gcodeLayer, layerIndex, airGappedBottomConfig);
}
//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.WriteQueuedGCode(currentLayerThickness_um, fanSpeedPercent, config.BridgeFanSpeedPercent);
}
LogOutput.Log("Wrote layers in {0:0.00}s.\n".FormatWith(timeKeeper.Elapsed.TotalSeconds));
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, slicingData.modelSize.Z);
}
private int GetFanSpeed(int layerIndex, GCodePlanner gcodeLayer)
{
int fanSpeedPercent = config.FanSpeedMinPercent;
if (gcodeLayer.getExtrudeSpeedFactor() <= 50)
{
fanSpeedPercent = config.FanSpeedMaxPercent;
}
else
{
int n = gcodeLayer.getExtrudeSpeedFactor() - 50;
fanSpeedPercent = config.FanSpeedMinPercent * n / 50 + config.FanSpeedMaxPercent * (50 - n) / 50;
}
if (layerIndex < config.FirstLayerToAllowFan)
{
// Don't allow the fan below this layer
fanSpeedPercent = 0;
}
return fanSpeedPercent;
}
private void QueueSkirtToGCode(LayerDataStorage slicingData, GCodePlanner gcodeLayer, int layerIndex)
{
if (slicingData.skirt.Count > 0
&& slicingData.skirt[0].Count > 0)
{
IntPoint lowestPoint = slicingData.skirt[0][0];
// lets make sure we start with the most outside loop
foreach (Polygon polygon in slicingData.skirt)
{
foreach (IntPoint position in polygon)
{
if (position.Y < lowestPoint.Y)
{
lowestPoint = polygon[0];
}
}
}
gcodeLayer.QueueTravel(lowestPoint);
}
gcodeLayer.QueuePolygonsByOptimizer(slicingData.skirt, skirtConfig);
}
private int lastPartIndex = 0;
//Add a single layer from a single extruder to the GCode
private void QueueExtruderLayerToGCode(LayerDataStorage slicingData, GCodePlanner layerGcodePlanner, int extruderIndex, int layerIndex, int extrusionWidth_um, long currentZ_um)
{
if(extruderIndex > slicingData.Extruders.Count-1)
{
return;
}
SliceLayer layer = slicingData.Extruders[extruderIndex].Layers[layerIndex];
if(layer.AllOutlines.Count == 0
&& config.WipeShieldDistanceFromObject == 0)
{
// don't do anything on this layer
return;
}
if (slicingData.wipeShield.Count > 0 && slicingData.Extruders.Count > 1)
{
layerGcodePlanner.SetAlwaysRetract(true);
layerGcodePlanner.QueuePolygonsByOptimizer(slicingData.wipeShield[layerIndex], skirtConfig);
layerGcodePlanner.SetAlwaysRetract(!config.AvoidCrossingPerimeters);
}
// Move to the best point start point for this layer
if (!config.ContinuousSpiralOuterPerimeter
&& layerIndex > 0
&& layerIndex < slicingData.Extruders[extruderIndex].Layers.Count - 2)
{
// 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 (layer.Islands.Count == 1)
{
LayerIsland island = layer?.Islands?[0];
if (island?.InsetToolPaths ?.Count > 0
&& island?.InsetToolPaths?[0]?[0]?.Count > 0)
{
int bestPoint = PathOrderOptimizer.GetBestIndex(island.InsetToolPaths[0][0], config.ExtrusionWidth_um);
if (config.AvoidCrossingPerimeters)
{
layerGcodePlanner.SetOuterPerimetersToAvoidCrossing(island.AvoidCrossingBoundary);
}
layerGcodePlanner.QueueTravel(island.InsetToolPaths[0][0][bestPoint]);
}
}
}
PathOrderOptimizer islandOrderOptimizer = new PathOrderOptimizer(new IntPoint());
for (int partIndex = 0; partIndex < layer.Islands.Count; partIndex++)
{
if (config.ContinuousSpiralOuterPerimeter && partIndex > 0)
{
continue;
}
if (config.ExpandThinWalls && !config.ContinuousSpiralOuterPerimeter)
{
islandOrderOptimizer.AddPolygon(layer.Islands[partIndex].IslandOutline[0]);
}
else
{
islandOrderOptimizer.AddPolygon(layer.Islands[partIndex].InsetToolPaths[0][0]);
}
}
islandOrderOptimizer.Optimize();
List<Polygons> bottomFillIslandPolygons = new List<Polygons>();
for (int islandOrderIndex = 0; islandOrderIndex < islandOrderOptimizer.bestIslandOrderIndex.Count; islandOrderIndex++)
{
if (config.ContinuousSpiralOuterPerimeter && islandOrderIndex > 0)
{
continue;
}
LayerIsland island = layer.Islands[islandOrderOptimizer.bestIslandOrderIndex[islandOrderIndex]];
if (config.AvoidCrossingPerimeters)
{
layerGcodePlanner.SetOuterPerimetersToAvoidCrossing(island.AvoidCrossingBoundary);
}
else
{
layerGcodePlanner.SetAlwaysRetract(true);
}
Polygons fillPolygons = new Polygons();
Polygons topFillPolygons = new Polygons();
Polygons bridgePolygons = new Polygons();
Polygons bottomFillPolygons = new Polygons();
CalculateInfillData(slicingData, extruderIndex, layerIndex, island, bottomFillPolygons, fillPolygons, topFillPolygons, bridgePolygons);
bottomFillIslandPolygons.Add(bottomFillPolygons);
if (config.NumberOfPerimeters > 0)
{
if (islandOrderIndex != lastPartIndex)
{
// force a retract if changing islands
if (config.RetractWhenChangingIslands)
{
layerGcodePlanner.ForceRetract();
}
lastPartIndex = islandOrderIndex;
}
if (config.ContinuousSpiralOuterPerimeter)
{
if (layerIndex >= config.NumberOfBottomLayers)
{
inset0Config.spiralize = true;
}
}
// 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.Count > 0
&& island?.InsetToolPaths?[0]?[0]?.Count > 0
&& !config.ContinuousSpiralOuterPerimeter)
{
int bestPoint = PathOrderOptimizer.GetBestIndex(island.InsetToolPaths[0][0], config.ExtrusionWidth_um);
layerGcodePlanner.QueueTravel(island.InsetToolPaths[0][0][bestPoint]);
}
// Put all the insets into a new list so we can keep track of what has been printed.
// The island could be a rectangle with 4 screew holes. So, with 3 perimeters that colud be the outside 3 + the foles 4 * 3, 15 polygons.
List<Polygons> insetsForThisIsland = new List<Polygons>(island.InsetToolPaths.Count);
for (int insetIndex = 0; insetIndex < island.InsetToolPaths.Count; insetIndex++)
{
insetsForThisIsland.Add(new Polygons());
for (int polygonIndex = 0; polygonIndex < island.InsetToolPaths[insetIndex].Count; polygonIndex++)
{
if (island.InsetToolPaths[insetIndex][polygonIndex].Count > 0)
{
insetsForThisIsland[insetIndex].Add(island.InsetToolPaths[insetIndex][polygonIndex]);
}
}
}
// If we are on the very first layer we always 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];
layerGcodePlanner.QueuePolygonsByOptimizer(new Polygons() { outsideSinglePolygon }, inset0Config);
}
}
else
{
int insetCount = CountInsetsToPrint(insetsForThisIsland);
while (insetCount > 0)
{
bool limitDistance = false;
if (island.InsetToolPaths.Count > 0)
{
QueueClosetsInset(insetsForThisIsland[0], limitDistance, inset0Config, layerIndex, layerGcodePlanner, false);
}
if (island.InsetToolPaths.Count > 1)
{
// Move to the closest inset 1 and print it
limitDistance = QueueClosetsInset(insetsForThisIsland[1], limitDistance, insetXConfig, layerIndex, layerGcodePlanner, false);
for (int insetIndex = 2; insetIndex < island.InsetToolPaths.Count; insetIndex++)
{
limitDistance = QueueClosetsInset(
insetsForThisIsland[insetIndex],
limitDistance,
insetIndex == 0 ? inset0Config : insetXConfig,
layerIndex,
layerGcodePlanner, false);
}
}
insetCount = CountInsetsToPrint(insetsForThisIsland);
}
}
}
else // This is so we can do overhangs better (the outside can stick a bit to the inside).
{
int insetCount = CountInsetsToPrint(insetsForThisIsland);
while (insetCount > 0)
{
bool limitDistance = false;
if (island.InsetToolPaths.Count > 0)
{
// Print the insets from inside to out (count - 1 to 0).
for (int insetIndex = island.InsetToolPaths.Count - 1; insetIndex >= 0; insetIndex--)
{
limitDistance = QueueClosetsInset(
insetsForThisIsland[insetIndex],
limitDistance,
insetIndex == 0 ? inset0Config : insetXConfig,
layerIndex,
layerGcodePlanner, true);
// Figue out if there is another inset
}
}
insetCount = CountInsetsToPrint(insetsForThisIsland);
}
}
// Find the thin lines for this layer and add them to the queue
if (config.FillThinGaps && !config.ContinuousSpiralOuterPerimeter)
{
for (int perimeter = 0; perimeter < config.NumberOfPerimeters; perimeter++)
{
Polygons thinLines = null;
if (GCodePlanner.FindThinLines(island.IslandOutline.Offset(-extrusionWidth_um * (1 + perimeter)), extrusionWidth_um + 2, extrusionWidth_um / 5, out thinLines, true))
{
fillPolygons.AddRange(thinLines);
}
}
}
if (config.ExpandThinWalls && !config.ContinuousSpiralOuterPerimeter)
{
Polygons thinLines = null;
// Collect all of the lines up to one third the extrusion diameter
//string perimeterString = Newtonsoft.Json.JsonConvert.SerializeObject(island.IslandOutline);
if (GCodePlanner.FindThinLines(island.IslandOutline, extrusionWidth_um + 2, extrusionWidth_um / 3, out thinLines, true))
{
foreach(var polygon in thinLines)
{
for(int i=0; i<polygon.Count; i++)
{
if (polygon[i].Width > 0)
{
polygon[i] = new IntPoint(polygon[i])
{
Width = extrusionWidth_um,
};
}
}
}
fillPolygons.AddRange(thinLines);
}
}
}
// Write the bridge polygons after the perimeter so they 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 for later.
if (bridgePolygons.Count > 0)
{
QueuePolygonsConsideringSupport(layerIndex, layerGcodePlanner, bridgePolygons, bridgeConfig, SupportWriteType.UnsupportedAreas);
}
// TODO: Put all of these segments into a list that can be queued together and still preserver their individual config settings.
// This will make the total amount of travel while printing infill much less.
layerGcodePlanner.QueuePolygonsByOptimizer(fillPolygons, fillConfig);
QueuePolygonsConsideringSupport(layerIndex, layerGcodePlanner, bottomFillPolygons, bottomFillConfig, SupportWriteType.UnsupportedAreas);
layerGcodePlanner.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)
{
layerGcodePlanner.MoveInsideTheOuterPerimeter(extrusionWidth_um * 2);
}
}
layerGcodePlanner.SetOuterPerimetersToAvoidCrossing(null);
}
private bool QueueClosetsInset(Polygons insetsToConsider, bool limitDistance, GCodePathConfig pathConfig, int layerIndex, GCodePlanner gcodeLayer, bool printAllInsidersBeforeOutsides)
{
// This is the furthest away we will accept a new statring point
long maxDist_um = long.MaxValue;
if (limitDistance)
{
// Make it relative to the size of the nozzle
maxDist_um = config.ExtrusionWidth_um * 4;
}
int polygonPrintedIndex = -1;
for (int polygonIndex = 0; polygonIndex < insetsToConsider.Count; polygonIndex++)
{
Polygon currentPolygon = insetsToConsider[polygonIndex];
int bestPoint = PathOrderOptimizer.GetClosestIndex(currentPolygon, gcodeLayer.LastPosition);
if (bestPoint > -1)
{
long distance = (currentPolygon[bestPoint] - gcodeLayer.LastPosition).Length();
if (distance < maxDist_um)
{
maxDist_um = distance;
polygonPrintedIndex = polygonIndex;
}
}
}
if (polygonPrintedIndex > -1)
{
QueuePolygonsConsideringSupport(layerIndex, gcodeLayer, new Polygons() { insetsToConsider[polygonPrintedIndex] }, pathConfig, SupportWriteType.UnsupportedAreas);
insetsToConsider.RemoveAt(polygonPrintedIndex);
return true;
}
// Return the original limitDistance value if we didn't match a polygon
return limitDistance;
}
private int CountInsetsToPrint(List<Polygons> insetsToPrint)
{
int total = 0;
foreach(Polygons polygons in insetsToPrint)
{
total += polygons.Count;
}
return total;
}
//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, long currentZ_um)
{
if (config.GenerateSupport
&& !config.ContinuousSpiralOuterPerimeter
&& layerIndex > 0)
{
int prevExtruder = gcodeLayer.GetExtruder();
bool extruderChanged = gcodeLayer.SetExtruder(extruderIndex);
if (extruderChanged && slicingData.HaveWipeTower(config))
{
slicingData.PrimeOnWipeTower(extruderIndex, layerIndex, gcodeLayer, fillConfig, config);
//Make sure we wipe the old extruder on the wipe tower.
gcodeLayer.QueueTravel(slicingData.wipePoint - config.ExtruderOffsets[prevExtruder] + config.ExtruderOffsets[gcodeLayer.GetExtruder()]);
}
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;
}
if (layer.Islands[partIndex].InsetToolPaths.Count > 0)
{
partOrderOptimizer.AddPolygon(layer.Islands[partIndex].InsetToolPaths[0][0]);
}
}
partOrderOptimizer.Optimize();
List<Polygons> bottomFillIslandPolygons = new List<Polygons>();
for (int inlandIndex = 0; inlandIndex < partOrderOptimizer.bestIslandOrderIndex.Count; inlandIndex++)
{
if (config.ContinuousSpiralOuterPerimeter && inlandIndex > 0)
{
continue;
}
LayerIsland part = layer.Islands[partOrderOptimizer.bestIslandOrderIndex[inlandIndex]];
if (config.AvoidCrossingPerimeters)
{
gcodeLayer.SetOuterPerimetersToAvoidCrossing(part.AvoidCrossingBoundary);
}
else
{
gcodeLayer.SetAlwaysRetract(true);
}