//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 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);
}
}
//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 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);
}
}
//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 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);
}
//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);
}
//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);
}