public void QueueAirGappedBottomLayer(ConfigSettings config, GCodePlanner gcodeLayer, int layerIndex, GCodePathConfig supportNormalConfig)
{
// normal support
Polygons currentAirGappedBottoms = airGappedBottomOutlines[layerIndex];
currentAirGappedBottoms = currentAirGappedBottoms.Offset(-config.ExtrusionWidth_um / 2);
List <Polygons> supportIslands = currentAirGappedBottoms.ProcessIntoSeparatIslands();
foreach (Polygons islandOutline in supportIslands)
{
Polygons islandInfillLines = new Polygons();
// render a grid of support
if (config.GenerateSupportPerimeter)
{
Polygons outlines = Clipper.CleanPolygons(islandOutline, config.ExtrusionWidth_um / 4);
gcodeLayer.QueuePolygonsByOptimizer(outlines, supportNormalConfig);
}
Polygons infillOutline = islandOutline.Offset(-config.ExtrusionWidth_um / 2);
switch (config.SupportType)
{
case ConfigConstants.SUPPORT_TYPE.GRID:
Infill.GenerateGridInfill(config, infillOutline, islandInfillLines, config.SupportInfillStartingAngle, config.SupportLineSpacing_um);
break;
case ConfigConstants.SUPPORT_TYPE.LINES:
Infill.GenerateLineInfill(config, infillOutline, islandInfillLines, config.SupportInfillStartingAngle, config.SupportLineSpacing_um);
break;
}
gcodeLayer.QueuePolygonsByOptimizer(islandInfillLines, supportNormalConfig);
}
}
public bool QueueNormalSupportLayer(ConfigSettings config, GCodePlanner gcodeLayer, int layerIndex, GCodePathConfig supportNormalConfig)
{
// normal support
Polygons currentSupportOutlines = supportOutlines[layerIndex];
currentSupportOutlines = currentSupportOutlines.Offset(-supportNormalConfig.lineWidth_um / 2);
List <Polygons> supportIslands = currentSupportOutlines.ProcessIntoSeparatIslands();
bool outputPaths = false;
foreach (Polygons islandOutline in supportIslands)
{
// force a retract if changing islands
if (config.RetractWhenChangingIslands)
{
gcodeLayer.ForceRetract();
}
Polygons islandInfillLines = new Polygons();
// render a grid of support
if (config.GenerateSupportPerimeter || layerIndex == 0)
{
Polygons outlines = Clipper.CleanPolygons(islandOutline, config.ExtrusionWidth_um / 4);
if (gcodeLayer.QueuePolygonsByOptimizer(outlines, supportNormalConfig))
{
outputPaths = true;
}
}
Polygons infillOutline = islandOutline.Offset(-supportNormalConfig.lineWidth_um / 2);
if (layerIndex == 0)
{
// on the first layer print this as solid
Infill.GenerateLineInfill(config, infillOutline, islandInfillLines, config.SupportInfillStartingAngle, config.ExtrusionWidth_um);
}
else
{
switch (config.SupportType)
{
case ConfigConstants.SUPPORT_TYPE.GRID:
Infill.GenerateGridInfill(config, infillOutline, islandInfillLines, config.SupportInfillStartingAngle, config.SupportLineSpacing_um);
break;
case ConfigConstants.SUPPORT_TYPE.LINES:
Infill.GenerateLineInfill(config, infillOutline, islandInfillLines, config.SupportInfillStartingAngle, config.SupportLineSpacing_um);
break;
}
}
if (gcodeLayer.QueuePolygonsByOptimizer(islandInfillLines, supportNormalConfig))
{
outputPaths |= true;
}
}
return(outputPaths);
}
public void QueueInterfaceSupportLayer(ConfigSettings config, GCodePlanner gcodeLayer, int layerIndex, GCodePathConfig supportInterfaceConfig)
{
// interface
Polygons currentInterfaceOutlines = interfaceLayers[layerIndex].Offset(-config.ExtrusionWidth_um / 2);
if (currentInterfaceOutlines.Count > 0)
{
Polygons supportLines = new Polygons();
Infill.GenerateLineInfill(config, currentInterfaceOutlines, supportLines, config.InfillStartingAngle + 90, config.ExtrusionWidth_um);
gcodeLayer.QueuePolygonsByOptimizer(supportLines, supportInterfaceConfig);
}
}
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);
}
public void PrimeOnWipeTower(int extruderIndex, int layerIndex, GCodePlanner gcodeLayer, GCodePathConfig fillConfig, ConfigSettings config)
{
if (!HaveWipeTower(config) ||
layerIndex > LastLayerWithChange(config) + 1)
{
return;
}
//If we changed extruder, print the wipe/prime tower for this nozzle;
Polygons fillPolygons = new Polygons();
GenerateWipeTowerInfill(extruderIndex, this.wipeTower, fillPolygons, fillConfig.lineWidth_um, config);
gcodeLayer.QueuePolygons(fillPolygons, fillConfig);
extrudersThatHaveBeenPrimed[extruderIndex] = true;
}
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()]);
}
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;
}
public void EnsureWipeTowerIsSolid(int layerIndex, GCodePlanner gcodeLayer, GCodePathConfig fillConfig, ConfigSettings config)
{
if (layerIndex >= LastLayerWithChange(config) ||
extrudersThatHaveBeenPrimed == null)
{
return;
}
// print all of the extruder loops that have not already been printed
for (int extruderIndex = 0; extruderIndex < config.MaxExtruderCount(); extruderIndex++)
{
if (!extrudersThatHaveBeenPrimed[extruderIndex])
{
// write the loops for this extruder, but don't change to it. We are just filling the prime tower.
PrimeOnWipeTower(extruderIndex, 0, gcodeLayer, fillConfig, config);
}
// clear the history of printer extruders for the next layer
extrudersThatHaveBeenPrimed[extruderIndex] = false;
}
}
public bool QueueInterfaceSupportLayer(ConfigSettings config, GCodePlanner gcodeLayer, int layerIndex, GCodePathConfig supportInterfaceConfig)
{
// interface
bool outputPaths = false;
Polygons currentInterfaceOutlines2 = interfaceLayers[layerIndex].Offset(-config.ExtrusionWidth_um / 2);
if (currentInterfaceOutlines2.Count > 0)
{
List <Polygons> interfaceIslands = currentInterfaceOutlines2.ProcessIntoSeparatIslands();
foreach (Polygons interfaceOutline in interfaceIslands)
{
// force a retract if changing islands
if (config.RetractWhenChangingIslands)
{
gcodeLayer.ForceRetract();
}
// make a border if layer 0
if (layerIndex == 0)
{
Polygons infillOutline = interfaceOutline.Offset(-supportInterfaceConfig.lineWidth_um / 2);
Polygons outlines = Clipper.CleanPolygons(infillOutline, config.ExtrusionWidth_um / 4);
if (gcodeLayer.QueuePolygonsByOptimizer(outlines, supportInterfaceConfig))
{
outputPaths = true;
}
}
Polygons supportLines = new Polygons();
Infill.GenerateLineInfill(config, interfaceOutline, supportLines, config.InfillStartingAngle + 90, config.ExtrusionWidth_um);
if (gcodeLayer.QueuePolygonsByOptimizer(supportLines, supportInterfaceConfig))
{
outputPaths = true;
}
}
}
return(outputPaths);
}
public void QueueInterfaceSupportLayer(ConfigSettings config, GCodePlanner gcodeLayer, int layerIndex, GCodePathConfig supportInterfaceConfig)
{
// interface
Polygons currentInterfaceOutlines2 = interfaceLayers[layerIndex].Offset(-config.ExtrusionWidth_um / 2);
if (currentInterfaceOutlines2.Count > 0)
{
List <Polygons> interfaceIslands = currentInterfaceOutlines2.ProcessIntoSeparatIslands();
foreach (Polygons interfaceOutline in interfaceIslands)
{
// force a retract if changing islands
if (config.RetractWhenChangingIslands)
{
gcodeLayer.ForceRetract();
}
Polygons supportLines = new Polygons();
Infill.GenerateLineInfill(config, interfaceOutline, supportLines, config.InfillStartingAngle + 90, config.ExtrusionWidth_um);
gcodeLayer.QueuePolygonsByOptimizer(supportLines, supportInterfaceConfig);
}
}
}
private void AddSkirtToGCode(SliceDataStorage storage, GCodePlanner gcodeLayer, int volumeIndex, int layerIndex)
{
if (storage.skirt.Count > 0
&& storage.skirt[0].Count > 0)
{
IntPoint lowestPoint = storage.skirt[0][0];
// lets make sure we start with the most outside loop
foreach (Polygon polygon in storage.skirt)
{
foreach (IntPoint position in polygon)
{
if (position.Y < lowestPoint.Y)
{
lowestPoint = polygon[0];
}
}
}
gcodeLayer.WriteTravel(lowestPoint);
}
gcodeLayer.WritePolygonsByOptimizer(storage.skirt, skirtConfig);
}
public void QueueNormalSupportLayer(ConfigSettings config, GCodePlanner gcodeLayer, int layerIndex, GCodePathConfig supportNormalConfig, GCodePathConfig supportInterfaceConfig)
{
// normal support
Polygons currentSupportOutlines = supportOutlines[layerIndex];
currentSupportOutlines = currentSupportOutlines.Offset(-supportNormalConfig.lineWidth_um / 2);
List<Polygons> supportIslands = currentSupportOutlines.ProcessIntoSeparatIslands();
foreach (Polygons islandOutline in supportIslands)
{
Polygons islandInfillLines = new Polygons();
// render a grid of support
if (config.generateSupportPerimeter)
{
gcodeLayer.QueuePolygonsByOptimizer(islandOutline, supportNormalConfig);
}
Polygons infillOutline = islandOutline.Offset(-supportNormalConfig.lineWidth_um / 2);
switch (config.supportType)
{
case ConfigConstants.SUPPORT_TYPE.GRID:
Infill.GenerateGridInfill(config, infillOutline, ref islandInfillLines, config.supportInfillStartingAngle, config.supportLineSpacing_um);
break;
case ConfigConstants.SUPPORT_TYPE.LINES:
Infill.GenerateLineInfill(config, infillOutline, ref islandInfillLines, config.supportInfillStartingAngle, config.supportLineSpacing_um);
break;
}
gcodeLayer.QueuePolygonsByOptimizer(islandInfillLines, supportNormalConfig);
}
// interface
Polygons currentInterfaceOutlines = interfaceLayers[layerIndex].Offset(-config.extrusionWidth_um / 2);
if (currentInterfaceOutlines.Count > 0)
{
Polygons supportLines = new Polygons();
Infill.GenerateLineInfill(config, currentInterfaceOutlines, ref supportLines, config.infillStartingAngle + 90, config.extrusionWidth_um);
gcodeLayer.QueuePolygonsByOptimizer(supportLines, supportInterfaceConfig);
}
}
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()]);
}
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);
}
//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);
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.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);
}
Polygons fillPolygons = new Polygons();
Polygons topFillPolygons = new Polygons();
Polygons bridgePolygons = new Polygons();
Polygons bottomFillPolygons = new Polygons();
CalculateInfillData(slicingData, extruderIndex, layerIndex, part, bottomFillPolygons, fillPolygons, topFillPolygons, bridgePolygons);
bottomFillIslandPolygons.Add(bottomFillPolygons);
#if DEBUG
if (bridgePolygons.Count > 0)
{
new Exception("Unexpected bridge polygons in air gapped region");
}
#endif
if (config.NumberOfPerimeters > 0)
{
if (inlandIndex != lastPartIndex)
{
// force a retract if changing islands
if (config.RetractWhenChangingIslands)
{
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 insetIndex = 1; insetIndex < part.InsetToolPaths.Count; insetIndex++)
{
QueuePolygonsConsideringSupport(layerIndex, gcodeLayer, part.InsetToolPaths[insetIndex], airGappedBottomConfig, SupportWriteType.SupportedAreas);
}
// then 0
if (part.InsetToolPaths.Count > 0)
{
QueuePolygonsConsideringSupport(layerIndex, gcodeLayer, part.InsetToolPaths[0], airGappedBottomConfig, SupportWriteType.SupportedAreas);
}
QueuePolygonsConsideringSupport(layerIndex, gcodeLayer, bottomFillIslandPolygons[inlandIndex], airGappedBottomConfig, SupportWriteType.SupportedAreas);
}
}
gcodeLayer.SetOuterPerimetersToAvoidCrossing(null);
}
//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);
}
private bool QueueClosetsInset(Polygons insetsConsider, bool limitDistance, GCodePathConfig pathConfig, int layerIndex, GCodePlanner gcodeLayer)
{
long maxDist_um = long.MaxValue;
if (limitDistance)
{
maxDist_um = config.ExtrusionWidth_um * 4;
}
int polygonPrintedIndex = -1;
for (int polygonIndex = 0; polygonIndex < insetsConsider.Count; polygonIndex++)
{
Polygon currentPolygon = insetsConsider[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() { insetsConsider[polygonPrintedIndex] }, pathConfig, SupportWriteType.UnsupportedAreas);
insetsConsider.RemoveAt(polygonPrintedIndex);
return true;
}
// Return the original limitDistance value if we didn't match a polygon
return limitDistance;
}
public static void GenerateRaftGCodeIfRequired(SliceDataStorage storage, ConfigSettings config, GCodeExport gcode)
{
if (ShouldGenerateRaft(config))
{
GCodePathConfig raftBaseConfig = new GCodePathConfig(config.firstLayerSpeed, config.extrusionWidth_um * 3, "SUPPORT");
GCodePathConfig raftMiddleConfig = new GCodePathConfig(config.raftPrintSpeed, config.raftInterfaceLinewidth_um, "SUPPORT");
GCodePathConfig raftSurfaceConfig = new GCodePathConfig((config.raftSurfacePrintSpeed > 0) ? config.raftSurfacePrintSpeed : config.raftPrintSpeed, config.raftSurfaceLinewidth_um, "SUPPORT");
// create the raft base
{
gcode.writeComment("LAYER:-3");
gcode.writeComment("RAFT BASE");
GCodePlanner gcodeLayer = new GCodePlanner(gcode, config.travelSpeed, config.minimumTravelToCauseRetraction_um);
if (config.supportExtruder > 0)
{
gcodeLayer.setExtruder(config.supportExtruder);
}
gcode.setZ(config.raftBaseThickness_um);
gcode.setExtrusion(config.raftBaseThickness_um, config.filamentDiameter_um, config.extrusionMultiplier);
gcodeLayer.writePolygonsByOptimizer(storage.raftOutline, raftBaseConfig);
Polygons raftLines = new Polygons();
Infill.GenerateLinePaths(storage.raftOutline, ref raftLines, config.raftBaseThickness_um, config.raftLineSpacing_um, config.infillExtendIntoPerimeter_um, 0);
gcodeLayer.writePolygonsByOptimizer(storage.skirt, raftBaseConfig);
gcodeLayer.writePolygonsByOptimizer(raftLines, raftBaseConfig);
gcodeLayer.writeGCode(false, config.raftBaseThickness_um);
}
if (config.raftFanSpeedPercent > 0)
{
gcode.writeFanCommand(config.raftFanSpeedPercent);
}
// raft middle layers
{
gcode.writeComment("LAYER:-2");
gcode.writeComment("RAFT MIDDLE");
GCodePlanner gcodeLayer = new GCodePlanner(gcode, config.travelSpeed, config.minimumTravelToCauseRetraction_um);
gcode.setZ(config.raftBaseThickness_um + config.raftInterfaceThicknes_um);
gcode.setExtrusion(config.raftInterfaceThicknes_um, config.filamentDiameter_um, config.extrusionMultiplier);
Polygons raftLines = new Polygons();
Infill.GenerateLinePaths(storage.raftOutline, ref raftLines, config.raftInterfaceLinewidth_um, config.raftInterfaceLineSpacing_um, config.infillExtendIntoPerimeter_um, 45);
gcodeLayer.writePolygonsByOptimizer(raftLines, raftMiddleConfig);
gcodeLayer.writeGCode(false, config.raftInterfaceThicknes_um);
}
for (int raftSurfaceLayer = 1; raftSurfaceLayer <= config.raftSurfaceLayers; raftSurfaceLayer++)
{
gcode.writeComment("LAYER:-1");
gcode.writeComment("RAFT SURFACE");
GCodePlanner gcodeLayer = new GCodePlanner(gcode, config.travelSpeed, config.minimumTravelToCauseRetraction_um);
gcode.setZ(config.raftBaseThickness_um + config.raftInterfaceThicknes_um + config.raftSurfaceThickness_um * raftSurfaceLayer);
gcode.setExtrusion(config.raftSurfaceThickness_um, config.filamentDiameter_um, config.extrusionMultiplier);
Polygons raftLines = new Polygons();
Infill.GenerateLinePaths(storage.raftOutline, ref raftLines, config.raftSurfaceLinewidth_um, config.raftSurfaceLineSpacing_um, config.infillExtendIntoPerimeter_um, 90 * raftSurfaceLayer);
gcodeLayer.writePolygonsByOptimizer(raftLines, raftSurfaceConfig);
gcodeLayer.writeGCode(false, config.raftInterfaceThicknes_um);
}
}
}
private void QueuePolygonsConsideringSupport(int layerIndex, GCodePlanner gcodeLayer, Polygons polygonsToWrite, GCodePathConfig fillConfig, SupportWriteType supportWriteType)
{
if (config.generateSupport
&& layerIndex > 0
&& !config.continuousSpiralOuterPerimeter)
{
Polygons supportOutlines = slicingData.support.GetRequiredSupportAreas(layerIndex);
if (supportWriteType == SupportWriteType.UnsupportedAreas)
{
if (supportOutlines.Count > 0)
{
Polygons polygonsNotOnSupport;
// don't write the bottoms that are sitting on supported areas (they will be written at air gap distance later).
polygonsToWrite = PolygonsHelper.ConvertToLines(polygonsToWrite);
polygonsNotOnSupport = polygonsToWrite.CreateLineDifference(supportOutlines);
gcodeLayer.QueuePolygonsByOptimizer(polygonsNotOnSupport, fillConfig);
}
else
{
gcodeLayer.QueuePolygonsByOptimizer(polygonsToWrite, fillConfig);
}
}
else
{
if (supportOutlines.Count > 0)
{
if (supportOutlines.Count > 0)
{
// write the bottoms that are sitting on supported areas.
Polygons polygonsOnSupport;
polygonsToWrite = PolygonsHelper.ConvertToLines(polygonsToWrite);
polygonsOnSupport = supportOutlines.CreateLineIntersections(polygonsToWrite);
// ensure that all the segments have only 2 points
foreach(Polygon poly in polygonsOnSupport)
{
while(poly.Count > 2)
{
// This is an error and I'm not sure why it happened. It needs to be investigated. // LBB 2016 01 12
poly.RemoveAt(poly.Count - 1);
}
}
gcodeLayer.QueuePolygonsByOptimizer(polygonsOnSupport, fillConfig);
}
else
{
gcodeLayer.QueuePolygonsByOptimizer(polygonsToWrite, fillConfig);
}
}
}
}
else if (supportWriteType == SupportWriteType.UnsupportedAreas)
{
gcodeLayer.QueuePolygonsByOptimizer(polygonsToWrite, fillConfig);
}
}
//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);
}
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 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)
{
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);
}
else
{
gcode.WriteFanCommand(0);
gcode.ResetExtrusionValue();
gcode.WriteRetraction();
gcode.setZ(maxObjectHeight + 5000);
gcode.WriteMove(gcode.GetPosition(), config.travelSpeed, 0);
gcode.WriteMove(new Point3(slicingData.modelMin.x, slicingData.modelMin.y, gcode.CurrentZ), config.travelSpeed, 0);
}
fileNumber++;
int totalLayers = slicingData.Extruders[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 (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(config, gcode);
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);
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);
bridgConfig.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.firstLayerExtrusionWidth_um, "TOP-FILL", false);
bottomFillConfig.SetData(config.infillSpeed, config.firstLayerExtrusionWidth_um, "BOTTOM-FILL", false);
bridgConfig.SetData(config.bridgeSpeed, config.extrusionWidth_um, "BRIDGE");
supportNormalConfig.SetData(config.supportMaterialSpeed, config.supportExtrusionWidth_um, "SUPPORT");
supportInterfaceConfig.SetData(config.supportMaterialSpeed - 5, 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.
if (layerIndex == 0 && !config.ShouldGenerateRaft())
{
QueueSkirtToGCode(slicingData, gcodeLayer, layerIndex);
}
if (slicingData.support != null)
{
slicingData.support.QueueNormalSupportLayer(config, gcodeLayer, layerIndex, supportNormalConfig, supportInterfaceConfig);
}
int fanSpeedPercent = GetFanSpeed(layerIndex, gcodeLayer);
for (int extruderIndex = 0; extruderIndex < slicingData.Extruders.Count; extruderIndex++)
{
if (layerIndex == 0)
{
QueueExtruderLayerToGCode(slicingData, gcodeLayer, extruderIndex, layerIndex, config.firstLayerExtrusionWidth_um, fanSpeedPercent, z);
}
else
{
QueueExtruderLayerToGCode(slicingData, gcodeLayer, extruderIndex, layerIndex, config.extrusionWidth_um, fanSpeedPercent, z);
}
}
if (slicingData.support != null)
{
z += config.supportAirGap_um;
gcode.setZ(z);
for (int extruderIndex = 0; extruderIndex < slicingData.Extruders.Count; extruderIndex++)
{
QueueAirGappedExtruderLayerToGCode(slicingData, gcodeLayer, extruderIndex, layerIndex, config.extrusionWidth_um, fanSpeedPercent, z);
}
slicingData.support.QueueAirGappedBottomLayer(config, gcodeLayer, layerIndex, supportNormalConfig);
}
//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);
}
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);
}
public static void GenerateRaftGCodeIfRequired(SliceDataStorage storage, ConfigSettings config, GCodeExport gcode)
{
if (ShouldGenerateRaft(config))
{
GCodePathConfig raftBaseConfig = new GCodePathConfig(config.firstLayerSpeed, config.raftBaseExtrusionWidth_um, "SUPPORT");
GCodePathConfig raftMiddleConfig = new GCodePathConfig(config.raftPrintSpeed, config.raftInterfaceExtrusionWidth_um, "SUPPORT");
GCodePathConfig raftSurfaceConfig = new GCodePathConfig((config.raftSurfacePrintSpeed > 0) ? config.raftSurfacePrintSpeed : config.raftPrintSpeed, config.raftSurfaceExtrusionWidth_um, "SUPPORT");
// create the raft base
{
gcode.writeComment("LAYER:-3");
gcode.writeComment("RAFT BASE");
GCodePlanner gcodeLayer = new GCodePlanner(gcode, config.travelSpeed, config.minimumTravelToCauseRetraction_um);
if (config.raftExtruder > 0)
{
// if we have a specified raft extruder use it
gcodeLayer.setExtruder(config.raftExtruder);
}
else if (config.supportExtruder > 0)
{
// else preserve the old behavior of using the support extruder if set.
gcodeLayer.setExtruder(config.supportExtruder);
}
gcode.setZ(config.raftBaseThickness_um);
gcode.setExtrusion(config.raftBaseThickness_um, config.filamentDiameter_um, config.extrusionMultiplier);
gcodeLayer.writePolygonsByOptimizer(storage.raftOutline, raftBaseConfig);
Polygons raftLines = new Polygons();
Infill.GenerateLinePaths(storage.raftOutline, ref raftLines, config.raftBaseLineSpacing_um, config.infillExtendIntoPerimeter_um, 0);
gcodeLayer.writePolygonsByOptimizer(storage.skirt, raftBaseConfig);
gcodeLayer.writePolygonsByOptimizer(raftLines, raftBaseConfig);
gcodeLayer.writeGCode(false, config.raftBaseThickness_um);
}
if (config.raftFanSpeedPercent > 0)
{
gcode.writeFanCommand(config.raftFanSpeedPercent);
}
// raft middle layers
{
gcode.writeComment("LAYER:-2");
gcode.writeComment("RAFT MIDDLE");
GCodePlanner gcodeLayer = new GCodePlanner(gcode, config.travelSpeed, config.minimumTravelToCauseRetraction_um);
gcode.setZ(config.raftBaseThickness_um + config.raftInterfaceThicknes_um);
gcode.setExtrusion(config.raftInterfaceThicknes_um, config.filamentDiameter_um, config.extrusionMultiplier);
Polygons raftLines = new Polygons();
Infill.GenerateLinePaths(storage.raftOutline, ref raftLines, config.raftInterfaceLineSpacing_um, config.infillExtendIntoPerimeter_um, 45);
gcodeLayer.writePolygonsByOptimizer(raftLines, raftMiddleConfig);
gcodeLayer.writeGCode(false, config.raftInterfaceThicknes_um);
}
for (int raftSurfaceIndex = 1; raftSurfaceIndex <= config.raftSurfaceLayers; raftSurfaceIndex++)
{
gcode.writeComment("LAYER:-1");
gcode.writeComment("RAFT SURFACE");
GCodePlanner gcodeLayer = new GCodePlanner(gcode, config.travelSpeed, config.minimumTravelToCauseRetraction_um);
gcode.setZ(config.raftBaseThickness_um + config.raftInterfaceThicknes_um + config.raftSurfaceThickness_um * raftSurfaceIndex);
gcode.setExtrusion(config.raftSurfaceThickness_um, config.filamentDiameter_um, config.extrusionMultiplier);
Polygons raftLines = new Polygons();
if (raftSurfaceIndex == config.raftSurfaceLayers)
{
// make sure the top layer of the raft is 90 degrees offset to the first layer of the part so that it has minimum contact points.
Infill.GenerateLinePaths(storage.raftOutline, ref raftLines, config.raftSurfaceLineSpacing_um, config.infillExtendIntoPerimeter_um, config.infillStartingAngle + 90);
}
else
{
Infill.GenerateLinePaths(storage.raftOutline, ref raftLines, config.raftSurfaceLineSpacing_um, config.infillExtendIntoPerimeter_um, 90 * raftSurfaceIndex);
}
gcodeLayer.writePolygonsByOptimizer(raftLines, raftSurfaceConfig);
gcodeLayer.writeGCode(false, config.raftInterfaceThicknes_um);
}
}
}
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);
}
public void EnsureWipeTowerIsSolid(int layerIndex, GCodePlanner gcodeLayer, GCodePathConfig fillConfig, ConfigSettings config)
{
if(layerIndex >= LastLayerWithChange(config)
|| extrudersThatHaveBeenPrimed == null)
{
return;
}
// print all of the extruder loops that have not already been printed
for (int extruderIndex = 0; extruderIndex < config.MaxExtruderCount(); extruderIndex++)
{
if (!extrudersThatHaveBeenPrimed[extruderIndex])
{
// write the loops for this extruder, but don't change to it. We are just filling the prime tower.
PrimeOnWipeTower(extruderIndex, 0, gcodeLayer, fillConfig, config);
}
// clear the history of printer extruders for the next layer
extrudersThatHaveBeenPrimed[extruderIndex] = false;
}
}
public void PrimeOnWipeTower(int extruderIndex, int layerIndex, GCodePlanner gcodeLayer, GCodePathConfig fillConfig, ConfigSettings config)
{
if (config.WipeTowerSize_um < 1
|| extrudersThatHaveBeenPrimed == null
|| layerIndex > LastLayerWithChange(config) + 1)
{
return;
}
//If we changed extruder, print the wipe/prime tower for this nozzle;
Polygons fillPolygons = new Polygons();
GenerateWipeTowerInfill(extruderIndex, this.wipeTower, fillPolygons, fillConfig.lineWidth_um, config);
gcodeLayer.QueuePolygons(fillPolygons, fillConfig);
extrudersThatHaveBeenPrimed[extruderIndex] = true;
}
public void QueueNormalSupportLayer(ConfigSettings config, GCodePlanner gcodeLayer, int layerIndex, GCodePathConfig supportNormalConfig)
{
// normal support
Polygons currentSupportOutlines = supportOutlines[layerIndex];
currentSupportOutlines = currentSupportOutlines.Offset(-supportNormalConfig.lineWidth_um / 2);
List<Polygons> supportIslands = currentSupportOutlines.ProcessIntoSeparatIslands();
foreach (Polygons islandOutline in supportIslands)
{
// force a retract if changing islands
if (config.RetractWhenChangingIslands)
{
gcodeLayer.ForceRetract();
}
Polygons islandInfillLines = new Polygons();
// render a grid of support
if (config.GenerateSupportPerimeter)
{
Polygons outlines = Clipper.CleanPolygons(islandOutline, config.ExtrusionWidth_um / 4);
gcodeLayer.QueuePolygonsByOptimizer(outlines, supportNormalConfig);
}
Polygons infillOutline = islandOutline.Offset(-supportNormalConfig.lineWidth_um / 2);
if (layerIndex == 0)
{
// on the first layer print this as solid
Infill.GenerateLineInfill(config, infillOutline, islandInfillLines, config.SupportInfillStartingAngle, config.ExtrusionWidth_um);
}
else
{
switch (config.SupportType)
{
case ConfigConstants.SUPPORT_TYPE.GRID:
Infill.GenerateGridInfill(config, infillOutline, islandInfillLines, config.SupportInfillStartingAngle, config.SupportLineSpacing_um);
break;
case ConfigConstants.SUPPORT_TYPE.LINES:
Infill.GenerateLineInfill(config, infillOutline, islandInfillLines, config.SupportInfillStartingAngle, config.SupportLineSpacing_um);
break;
}
}
gcodeLayer.QueuePolygonsByOptimizer(islandInfillLines, supportNormalConfig);
}
}
private void WriteSupportPolygons(SliceDataStorage storage, GCodePlanner gcodeLayer, int layerIndex, ConfigSettings config, Polygons supportPolygons, SupportType interfaceLayer)
{
for (int volumeIndex = 0; volumeIndex < storage.volumes.Count; volumeIndex++)
{
SliceLayer layer = storage.volumes[volumeIndex].layers[layerIndex];
for (int partIndex = 0; partIndex < layer.parts.Count; partIndex++)
{
supportPolygons = supportPolygons.CreateDifference(layer.parts[partIndex].TotalOutline.Offset(config.supportXYDistance_um));
}
}
//Contract and expand the support polygons so small sections are removed and the final polygon is smoothed a bit.
supportPolygons = supportPolygons.Offset(-config.extrusionWidth_um * 1);
supportPolygons = supportPolygons.Offset(config.extrusionWidth_um * 1);
List<Polygons> supportIslands = supportPolygons.CreateLayerOutlines(PolygonsHelper.LayerOpperation.EvenOdd);
PathOrderOptimizer islandOrderOptimizer = new PathOrderOptimizer(gcode.GetPositionXY());
for (int islandIndex = 0; islandIndex < supportIslands.Count; islandIndex++)
{
islandOrderOptimizer.AddPolygon(supportIslands[islandIndex][0]);
}
islandOrderOptimizer.Optimize();
for (int islandIndex = 0; islandIndex < supportIslands.Count; islandIndex++)
{
Polygons island = supportIslands[islandOrderOptimizer.bestPolygonOrderIndex[islandIndex]];
Polygons supportLines = new Polygons();
if (config.supportLineSpacing_um > 0)
{
switch (interfaceLayer)
{
case SupportType.Interface:
Infill.GenerateLineInfill(config, island, ref supportLines, config.supportInfillStartingAngle + 90, config.extrusionWidth_um);
break;
case SupportType.General:
switch (config.supportType)
{
case ConfigConstants.SUPPORT_TYPE.GRID:
Infill.GenerateGridInfill(config, island, ref supportLines, config.supportInfillStartingAngle, config.supportLineSpacing_um);
break;
case ConfigConstants.SUPPORT_TYPE.LINES:
Infill.GenerateLineInfill(config, island, ref supportLines, config.supportInfillStartingAngle, config.supportLineSpacing_um);
break;
}
break;
default:
throw new NotImplementedException();
}
}
if (config.avoidCrossingPerimeters)
{
gcodeLayer.SetOuterPerimetersToAvoidCrossing(island);
}
switch (interfaceLayer)
{
case SupportType.Interface:
gcodeLayer.WritePolygonsByOptimizer(supportLines, supportInterfaceConfig);
break;
case SupportType.General:
if (config.supportType == ConfigConstants.SUPPORT_TYPE.GRID)
{
gcodeLayer.WritePolygonsByOptimizer(island, supportNormalConfig);
}
gcodeLayer.WritePolygonsByOptimizer(supportLines, supportNormalConfig);
break;
default:
throw new NotImplementedException();
}
gcodeLayer.SetOuterPerimetersToAvoidCrossing(null);
}
}
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 Point3(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);
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);
// 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.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;
}
// Move to the best point for the next layer
if (!config.ContinuousSpiralOuterPerimeter
&& layerIndex > 0
&& layerIndex < totalLayers - 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
SliceLayer layer = slicingData?.Extruders?[0]?.Layers?[layerIndex + 1];
if (layer.Islands.Count == 1)
{
LayerIsland island = layer?.Islands?[0];
if (island?.InsetToolPaths?[0]?[0]?.Count > 0)
{
int bestPoint = PathOrderOptimizer.GetBestIndex(island.InsetToolPaths[0][0], config.ExtrusionWidth_um);
gcodeLayer.SetOuterPerimetersToAvoidCrossing(island.AvoidCrossingBoundary);
gcodeLayer.QueueTravel(island.InsetToolPaths[0][0][bestPoint]);
// Now move up to the next layer so we don't start the extrusion one layer too low.
gcode.setZ(z + config.LayerThickness_um);
gcodeLayer.QueueTravel(island.InsetToolPaths[0][0][bestPoint]);
}
}
}
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 void AddSkirtToGCode(SliceDataStorage storage, GCodePlanner gcodeLayer, int volumeIndex, int layerIndex)
{
if (storage.skirt.Count > 0
&& storage.skirt[0].Count > 0)
{
IntPoint lowestPoint = storage.skirt[0][0];
// lets make sure we start with the most outside loop
foreach (Polygon polygon in storage.skirt)
{
foreach (IntPoint position in polygon)
{
if (position.Y < lowestPoint.Y)
{
lowestPoint = polygon[0];
}
}
}
gcodeLayer.WriteTravel(lowestPoint);
}
gcodeLayer.WritePolygonsByOptimizer(storage.skirt, skirtConfig);
}
private void QueuePolygonsConsideringSupport(int layerIndex, GCodePlanner gcodeLayer, Polygons polygonsToWrite, GCodePathConfig fillConfig, SupportWriteType supportWriteType)
{
bool oldLoopValue = fillConfig.closedLoop;
if (config.GenerateSupport
&& layerIndex > 0
&& !config.ContinuousSpiralOuterPerimeter)
{
Polygons supportOutlines = slicingData.support.GetRequiredSupportAreas(layerIndex).Offset(fillConfig.lineWidth_um/2);
if (supportWriteType == SupportWriteType.UnsupportedAreas)
{
if (supportOutlines.Count > 0)
{
// don't write the bottoms that are sitting on supported areas (they will be written at air gap distance later).
Polygons polygonsToWriteAsLines = PolygonsHelper.ConvertToLines(polygonsToWrite);
Polygons polygonsNotOnSupport = polygonsToWriteAsLines.CreateLineDifference(supportOutlines);
fillConfig.closedLoop = false;
gcodeLayer.QueuePolygonsByOptimizer(polygonsNotOnSupport, fillConfig);
}
else
{
gcodeLayer.QueuePolygonsByOptimizer(polygonsToWrite, fillConfig);
}
}
else
{
if (supportOutlines.Count > 0)
{
if (supportOutlines.Count > 0)
{
// write the bottoms that are sitting on supported areas.
Polygons polygonsToWriteAsLines = PolygonsHelper.ConvertToLines(polygonsToWrite);
Polygons polygonsOnSupport = supportOutlines.CreateLineIntersections(polygonsToWriteAsLines);
fillConfig.closedLoop = false;
gcodeLayer.QueuePolygonsByOptimizer(polygonsOnSupport, fillConfig);
}
else
{
gcodeLayer.QueuePolygonsByOptimizer(polygonsToWrite, fillConfig);
}
}
}
}
else if (supportWriteType == SupportWriteType.UnsupportedAreas)
{
gcodeLayer.QueuePolygonsByOptimizer(polygonsToWrite, fillConfig);
}
fillConfig.closedLoop = oldLoopValue;
}
//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 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);
}
PathOrderOptimizer islandOrderOptimizer = new PathOrderOptimizer(new IntPoint());
for (int partIndex = 0; partIndex < layer.Islands.Count; partIndex++)
{
if (config.ContinuousSpiralOuterPerimeter && partIndex > 0)
{
continue;
}
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);
// 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)
{
QueuePolygonsConsideringSupport(layerIndex, layerGcodePlanner, bridgePolygons, bridgeConfig, SupportWriteType.UnsupportedAreas);
}
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?[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.
List<Polygons> insetsToPrint = new List<Polygons>(island.InsetToolPaths.Count);
for (int insetIndex = 0; insetIndex < island.InsetToolPaths.Count; insetIndex++)
{
insetsToPrint.Add(new Polygons());
for (int polygonIndex = 0; polygonIndex < island.InsetToolPaths[insetIndex].Count; polygonIndex++)
{
if (island.InsetToolPaths[insetIndex][polygonIndex].Count > 0)
{
insetsToPrint[insetIndex].Add(island.InsetToolPaths[insetIndex][polygonIndex]);
}
}
}
// 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];
layerGcodePlanner.QueuePolygonsByOptimizer(new Polygons() { outsideSinglePolygon }, inset0Config);
}
}
else
{
int insetCount = CountInsetsToPrint(insetsToPrint);
while (insetCount > 0)
{
bool limitDistance = false;
if (island.InsetToolPaths.Count > 0)
{
QueueClosetsInset(insetsToPrint[0], limitDistance, inset0Config, layerIndex, layerGcodePlanner);
}
if (island.InsetToolPaths.Count > 1)
{
// Move to the closest inset 1 and print it
limitDistance = QueueClosetsInset(insetsToPrint[1], limitDistance, insetXConfig, layerIndex, layerGcodePlanner);
for (int insetIndex = 2; insetIndex < island.InsetToolPaths.Count; insetIndex++)
{
limitDistance = QueueClosetsInset(
insetsToPrint[insetIndex],
limitDistance,
insetIndex == 0 ? inset0Config : insetXConfig,
layerIndex,
layerGcodePlanner);
}
}
insetCount = CountInsetsToPrint(insetsToPrint);
}
}
}
else // This is so we can do overhangs better (the outside can stick a bit to the inside).
{
int insetCount = CountInsetsToPrint(insetsToPrint);
while (insetCount > 0)
{
bool limitDistance = false;
if (island.InsetToolPaths.Count > 0)
{
// Move to the closest inset 1 and print it
for (int insetIndex = island.InsetToolPaths.Count-1; insetIndex >= 0; insetIndex--)
{
limitDistance = QueueClosetsInset(
insetsToPrint[insetIndex],
limitDistance,
insetIndex == 0 ? inset0Config : insetXConfig,
layerIndex,
layerGcodePlanner);
}
}
insetCount = CountInsetsToPrint(insetsToPrint);
}
}
}
// 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);
}
}
// Find the thin lines for this layer and add them to the queue
if (false) // this code is just for test. LBB
{
Polygons fillPolygons = new Polygons();
foreach (var island in layer.Islands)
{
List<Point3> path = new List<Point3>();
List<PathAndWidth> thinLines;
foreach (var outline in island.IslandOutline.Offset(-extrusionWidth_um * 0))
{
foreach (var point in outline)
{
path.Add(new Point3(point, currentZ_um));
}
}
if (layerGcodePlanner.FindThinLines(path, extrusionWidth_um - 2, out thinLines))
{
foreach (var widthPath in thinLines)
{
Polygon thinPath = new Polygon();
foreach (var point in widthPath.Path)
{
thinPath.Add(new IntPoint(point.x, point.y));
}
fillPolygons.Add(thinPath);
}
}
}
layerGcodePlanner.QueuePolygonsByOptimizer(fillPolygons, fillConfig);
}
layerGcodePlanner.SetOuterPerimetersToAvoidCrossing(null);
}
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;
}
public void WriteRaftGCodeIfRequired(GCodeExport gcode, ConfigSettings config)
{
LayerDataStorage storage = this;
if (config.ShouldGenerateRaft())
{
GCodePathConfig raftBaseConfig = new GCodePathConfig("raftBaseConfig");
raftBaseConfig.SetData(config.FirstLayerSpeed, config.RaftBaseExtrusionWidth_um, "SUPPORT");
GCodePathConfig raftMiddleConfig = new GCodePathConfig("raftMiddleConfig");
raftMiddleConfig.SetData(config.RaftPrintSpeed, config.RaftInterfaceExtrusionWidth_um, "SUPPORT");
GCodePathConfig raftSurfaceConfig = new GCodePathConfig("raftMiddleConfig");
raftSurfaceConfig.SetData((config.RaftSurfacePrintSpeed > 0) ? config.RaftSurfacePrintSpeed : config.RaftPrintSpeed, config.RaftSurfaceExtrusionWidth_um, "SUPPORT");
// create the raft base
{
gcode.WriteComment("RAFT BASE");
GCodePlanner gcodeLayer = new GCodePlanner(gcode, config.TravelSpeed, config.MinimumTravelToCauseRetraction_um, config.PerimeterStartEndOverlapRatio);
if (config.RaftExtruder >= 0)
{
// if we have a specified raft extruder use it
gcodeLayer.SetExtruder(config.RaftExtruder);
}
else if (config.SupportExtruder >= 0)
{
// else preserve the old behavior of using the support extruder if set.
gcodeLayer.SetExtruder(config.SupportExtruder);
}
gcode.SetZ(config.RaftBaseThickness_um);
gcode.LayerChanged(-3);
gcode.SetExtrusion(config.RaftBaseThickness_um, config.FilamentDiameter_um, config.ExtrusionMultiplier);
// write the skirt around the raft
gcodeLayer.QueuePolygonsByOptimizer(storage.skirt, raftBaseConfig);
List <Polygons> raftIslands = storage.raftOutline.ProcessIntoSeparatIslands();
foreach (var raftIsland in raftIslands)
{
// write the outline of the raft
gcodeLayer.QueuePolygonsByOptimizer(raftIsland, raftBaseConfig);
Polygons raftLines = new Polygons();
Infill.GenerateLinePaths(raftIsland.Offset(-config.RaftBaseExtrusionWidth_um), raftLines, config.RaftBaseLineSpacing_um, config.InfillExtendIntoPerimeter_um, 0);
// write the inside of the raft base
gcodeLayer.QueuePolygonsByOptimizer(raftLines, raftBaseConfig);
if (config.RetractWhenChangingIslands)
{
gcodeLayer.ForceRetract();
}
}
gcodeLayer.WriteQueuedGCode(config.RaftBaseThickness_um);
}
if (config.RaftFanSpeedPercent > 0)
{
gcode.WriteFanCommand(config.RaftFanSpeedPercent);
}
// raft middle layers
{
gcode.WriteComment("RAFT MIDDLE");
GCodePlanner gcodeLayer = new GCodePlanner(gcode, config.TravelSpeed, config.MinimumTravelToCauseRetraction_um, config.PerimeterStartEndOverlapRatio);
gcode.SetZ(config.RaftBaseThickness_um + config.RaftInterfaceThicknes_um);
gcode.LayerChanged(-2);
gcode.SetExtrusion(config.RaftInterfaceThicknes_um, config.FilamentDiameter_um, config.ExtrusionMultiplier);
Polygons raftLines = new Polygons();
Infill.GenerateLinePaths(storage.raftOutline, raftLines, config.RaftInterfaceLineSpacing_um, config.InfillExtendIntoPerimeter_um, 45);
gcodeLayer.QueuePolygonsByOptimizer(raftLines, raftMiddleConfig);
gcodeLayer.WriteQueuedGCode(config.RaftInterfaceThicknes_um);
}
for (int raftSurfaceIndex = 1; raftSurfaceIndex <= config.RaftSurfaceLayers; raftSurfaceIndex++)
{
gcode.WriteComment("RAFT SURFACE");
GCodePlanner gcodeLayer = new GCodePlanner(gcode, config.TravelSpeed, config.MinimumTravelToCauseRetraction_um, config.PerimeterStartEndOverlapRatio);
gcode.SetZ(config.RaftBaseThickness_um + config.RaftInterfaceThicknes_um + config.RaftSurfaceThickness_um * raftSurfaceIndex);
gcode.LayerChanged(-1);
gcode.SetExtrusion(config.RaftSurfaceThickness_um, config.FilamentDiameter_um, config.ExtrusionMultiplier);
Polygons raftLines = new Polygons();
if (raftSurfaceIndex == config.RaftSurfaceLayers)
{
// make sure the top layer of the raft is 90 degrees offset to the first layer of the part so that it has minimum contact points.
Infill.GenerateLinePaths(storage.raftOutline, raftLines, config.RaftSurfaceLineSpacing_um, config.InfillExtendIntoPerimeter_um, config.InfillStartingAngle + 90);
}
else
{
Infill.GenerateLinePaths(storage.raftOutline, raftLines, config.RaftSurfaceLineSpacing_um, config.InfillExtendIntoPerimeter_um, 90 * raftSurfaceIndex);
}
gcodeLayer.QueuePolygonsByOptimizer(raftLines, raftSurfaceConfig);
gcodeLayer.WriteQueuedGCode(config.RaftInterfaceThicknes_um);
}
}
}
private void WriteSupportPolygons(SliceDataStorage storage, GCodePlanner gcodeLayer, int layerIndex, ConfigSettings config, Polygons supportPolygons, SupportType interfaceLayer)
{
for (int volumeIndex = 0; volumeIndex < storage.volumes.Count; volumeIndex++)
{
SliceLayer layer = storage.volumes[volumeIndex].layers[layerIndex];
for (int partIndex = 0; partIndex < layer.parts.Count; partIndex++)
{
supportPolygons = supportPolygons.CreateDifference(layer.parts[partIndex].TotalOutline.Offset(config.supportXYDistance_um));
}
}
//Contract and expand the support polygons so small sections are removed and the final polygon is smoothed a bit.
supportPolygons = supportPolygons.Offset(-config.extrusionWidth_um * 1);
supportPolygons = supportPolygons.Offset(config.extrusionWidth_um * 1);
List<Polygons> supportIslands = supportPolygons.CreateLayerOutlines(PolygonsHelper.LayerOpperation.EvenOdd);
PathOrderOptimizer islandOrderOptimizer = new PathOrderOptimizer(gcode.GetPositionXY());
for (int islandIndex = 0; islandIndex < supportIslands.Count; islandIndex++)
{
islandOrderOptimizer.AddPolygon(supportIslands[islandIndex][0]);
}
islandOrderOptimizer.Optimize();
for (int islandIndex = 0; islandIndex < supportIslands.Count; islandIndex++)
{
Polygons island = supportIslands[islandOrderOptimizer.bestPolygonOrderIndex[islandIndex]];
Polygons supportLines = new Polygons();
if (config.supportLineSpacing_um > 0)
{
switch (interfaceLayer)
{
case SupportType.Interface:
Infill.GenerateLineInfill(config, island, ref supportLines, config.supportInfillStartingAngle + 90, config.extrusionWidth_um);
break;
case SupportType.General:
switch (config.supportType)
{
case ConfigConstants.SUPPORT_TYPE.GRID:
Infill.GenerateGridInfill(config, island, ref supportLines, config.supportInfillStartingAngle, config.supportLineSpacing_um);
break;
case ConfigConstants.SUPPORT_TYPE.LINES:
Infill.GenerateLineInfill(config, island, ref supportLines, config.supportInfillStartingAngle, config.supportLineSpacing_um);
break;
}
break;
default:
throw new NotImplementedException();
}
}
if (config.avoidCrossingPerimeters)
{
gcodeLayer.SetOuterPerimetersToAvoidCrossing(island);
}
switch (interfaceLayer)
{
case SupportType.Interface:
gcodeLayer.WritePolygonsByOptimizer(supportLines, supportInterfaceConfig);
break;
case SupportType.General:
if (config.supportType == ConfigConstants.SUPPORT_TYPE.GRID)
{
gcodeLayer.WritePolygonsByOptimizer(island, supportNormalConfig);
}
gcodeLayer.WritePolygonsByOptimizer(supportLines, supportNormalConfig);
break;
default:
throw new NotImplementedException();
}
gcodeLayer.SetOuterPerimetersToAvoidCrossing(null);
}
}
public void WriteRaftGCodeIfRequired(ConfigSettings config, GCodeExport gcode)
{
LayerDataStorage storage = this;
if (config.ShouldGenerateRaft())
{
GCodePathConfig raftBaseConfig = new GCodePathConfig(config.firstLayerSpeed, config.raftBaseExtrusionWidth_um, "SUPPORT");
GCodePathConfig raftMiddleConfig = new GCodePathConfig(config.raftPrintSpeed, config.raftInterfaceExtrusionWidth_um, "SUPPORT");
GCodePathConfig raftSurfaceConfig = new GCodePathConfig((config.raftSurfacePrintSpeed > 0) ? config.raftSurfacePrintSpeed : config.raftPrintSpeed, config.raftSurfaceExtrusionWidth_um, "SUPPORT");
// create the raft base
{
gcode.WriteComment("LAYER:-3");
gcode.WriteComment("RAFT BASE");
GCodePlanner gcodeLayer = new GCodePlanner(gcode, config.travelSpeed, config.minimumTravelToCauseRetraction_um);
if (config.raftExtruder >= 0)
{
// if we have a specified raft extruder use it
gcodeLayer.SetExtruder(config.raftExtruder);
}
else if (config.supportExtruder >= 0)
{
// else preserve the old behavior of using the support extruder if set.
gcodeLayer.SetExtruder(config.supportExtruder);
}
gcode.setZ(config.raftBaseThickness_um);
gcode.SetExtrusion(config.raftBaseThickness_um, config.filamentDiameter_um, config.extrusionMultiplier);
Polygons raftLines = new Polygons();
Infill.GenerateLinePaths(storage.raftOutline, ref raftLines, config.raftBaseLineSpacing_um, config.infillExtendIntoPerimeter_um, 0);
// write the skirt around the raft
gcodeLayer.QueuePolygonsByOptimizer(storage.skirt, raftBaseConfig);
// write the outline of the raft
gcodeLayer.QueuePolygonsByOptimizer(storage.raftOutline, raftBaseConfig);
// write the inside of the raft base
gcodeLayer.QueuePolygonsByOptimizer(raftLines, raftBaseConfig);
gcodeLayer.WriteQueuedGCode(config.raftBaseThickness_um);
}
if (config.raftFanSpeedPercent > 0)
{
gcode.WriteFanCommand(config.raftFanSpeedPercent);
}
// raft middle layers
{
gcode.WriteComment("LAYER:-2");
gcode.WriteComment("RAFT MIDDLE");
GCodePlanner gcodeLayer = new GCodePlanner(gcode, config.travelSpeed, config.minimumTravelToCauseRetraction_um);
gcode.setZ(config.raftBaseThickness_um + config.raftInterfaceThicknes_um);
gcode.SetExtrusion(config.raftInterfaceThicknes_um, config.filamentDiameter_um, config.extrusionMultiplier);
Polygons raftLines = new Polygons();
Infill.GenerateLinePaths(storage.raftOutline, ref raftLines, config.raftInterfaceLineSpacing_um, config.infillExtendIntoPerimeter_um, 45);
gcodeLayer.QueuePolygonsByOptimizer(raftLines, raftMiddleConfig);
gcodeLayer.WriteQueuedGCode(config.raftInterfaceThicknes_um);
}
for (int raftSurfaceIndex = 1; raftSurfaceIndex <= config.raftSurfaceLayers; raftSurfaceIndex++)
{
gcode.WriteComment("LAYER:-1");
gcode.WriteComment("RAFT SURFACE");
GCodePlanner gcodeLayer = new GCodePlanner(gcode, config.travelSpeed, config.minimumTravelToCauseRetraction_um);
gcode.setZ(config.raftBaseThickness_um + config.raftInterfaceThicknes_um + config.raftSurfaceThickness_um * raftSurfaceIndex);
gcode.SetExtrusion(config.raftSurfaceThickness_um, config.filamentDiameter_um, config.extrusionMultiplier);
Polygons raftLines = new Polygons();
if (raftSurfaceIndex == config.raftSurfaceLayers)
{
// make sure the top layer of the raft is 90 degrees offset to the first layer of the part so that it has minimum contact points.
Infill.GenerateLinePaths(storage.raftOutline, ref raftLines, config.raftSurfaceLineSpacing_um, config.infillExtendIntoPerimeter_um, config.infillStartingAngle + 90);
}
else
{
Infill.GenerateLinePaths(storage.raftOutline, ref raftLines, config.raftSurfaceLineSpacing_um, config.infillExtendIntoPerimeter_um, 90 * raftSurfaceIndex);
}
gcodeLayer.QueuePolygonsByOptimizer(raftLines, raftSurfaceConfig);
gcodeLayer.WriteQueuedGCode(config.raftInterfaceThicknes_um);
}
}
}
public void QueueInterfaceSupportLayer(ConfigSettings config, GCodePlanner gcodeLayer, int layerIndex, GCodePathConfig supportInterfaceConfig)
{
// interface
Polygons currentInterfaceOutlines2 = interfaceLayers[layerIndex].Offset(-config.ExtrusionWidth_um / 2);
if (currentInterfaceOutlines2.Count > 0)
{
List<Polygons> interfaceIslands = currentInterfaceOutlines2.ProcessIntoSeparatIslands();
foreach (Polygons interfaceOutline in interfaceIslands)
{
// force a retract if changing islands
if (config.RetractWhenChangingIslands)
{
gcodeLayer.ForceRetract();
}
Polygons supportLines = new Polygons();
Infill.GenerateLineInfill(config, interfaceOutline, supportLines, config.InfillStartingAngle + 90, config.ExtrusionWidth_um);
gcodeLayer.QueuePolygonsByOptimizer(supportLines, supportInterfaceConfig);
}
}
}
public void QueueAirGappedBottomLayer(ConfigSettings config, GCodePlanner gcodeLayer, int layerIndex, GCodePathConfig supportNormalConfig)
{
// normal support
Polygons currentAirGappedBottoms = airGappedBottomOutlines[layerIndex];
currentAirGappedBottoms = currentAirGappedBottoms.Offset(-config.extrusionWidth_um / 2);
List<Polygons> supportIslands = currentAirGappedBottoms.ProcessIntoSeparatIslands();
foreach (Polygons islandOutline in supportIslands)
{
Polygons islandInfillLines = new Polygons();
// render a grid of support
gcodeLayer.QueuePolygonsByOptimizer(islandOutline, supportNormalConfig);
Polygons infillOutline = islandOutline.Offset(-config.extrusionWidth_um / 2);
switch (config.supportType)
{
case ConfigConstants.SUPPORT_TYPE.GRID:
Infill.GenerateGridInfill(config, infillOutline, ref islandInfillLines, config.supportInfillStartingAngle, config.supportLineSpacing_um);
break;
case ConfigConstants.SUPPORT_TYPE.LINES:
Infill.GenerateLineInfill(config, infillOutline, ref islandInfillLines, config.supportInfillStartingAngle, config.supportLineSpacing_um);
break;
}
gcodeLayer.QueuePolygonsByOptimizer(islandInfillLines, supportNormalConfig);
}
}