public void GenerateSkirt(int distance, int extrusionWidth_um, int numberOfLoops, int brimCount, int minLength, ConfigSettings config)
{
LayerDataStorage storage = this;
bool externalOnly = (distance > 0);
List <Polygons> skirtLoops = new List <Polygons>();
Polygons skirtPolygons = GetSkirtBounds(config, storage, externalOnly, distance, extrusionWidth_um, brimCount);
if (skirtPolygons.Count > 0)
{
// Find convex hull for the skirt outline
Polygons convexHull = new Polygons(new[] { skirtPolygons.CreateConvexHull() });
// Create skirt loops from the ConvexHull
for (int skirtLoop = 0; skirtLoop < numberOfLoops; skirtLoop++)
{
int offsetDistance = distance + extrusionWidth_um * skirtLoop + extrusionWidth_um / 2;
storage.skirt.AddAll(convexHull.Offset(offsetDistance));
int length = (int)storage.skirt.PolygonLength();
if (skirtLoop + 1 >= numberOfLoops && length > 0 && length < minLength)
{
// add more loops for as long as we have not extruded enough length
numberOfLoops++;
}
}
}
}
public void GenerateRaftOutlines(long extraDistanceAroundPart_um, ConfigSettings config)
{
LayerDataStorage storage = this;
for (int extruderIndex = 0; extruderIndex < storage.Extruders.Count; extruderIndex++)
{
if (config.ContinuousSpiralOuterPerimeter && extruderIndex > 0)
{
continue;
}
if (storage.Extruders[extruderIndex].Layers.Count < 1)
{
continue;
}
SliceLayer layer = storage.Extruders[extruderIndex].Layers[0];
// let's find the first layer that has something in it for the raft rather than a zero layer
if (layer.Islands.Count == 0 && storage.Extruders[extruderIndex].Layers.Count > 2)
{
layer = storage.Extruders[extruderIndex].Layers[1];
}
for (int partIndex = 0; partIndex < layer.Islands.Count; partIndex++)
{
if (config.ContinuousSpiralOuterPerimeter && partIndex > 0)
{
continue;
}
storage.raftOutline = storage.raftOutline.CreateUnion(layer.Islands[partIndex].IslandOutline.Offset(extraDistanceAroundPart_um));
}
}
storage.raftOutline = storage.raftOutline.CreateUnion(storage.WipeLayer(0).Offset(extraDistanceAroundPart_um));
if (storage.WipeShield.Count > 0 &&
storage.WipeShield[0].Count > 0)
{
storage.raftOutline = storage.raftOutline.CreateUnion(storage.WipeShield[0].Offset(extraDistanceAroundPart_um));
}
if (storage.Support != null)
{
storage.raftOutline = storage.raftOutline.CreateUnion(storage.Support.GetBedOutlines().Offset(extraDistanceAroundPart_um));
}
}
public void DumpLayerparts(string filename)
{
LayerDataStorage storage = this;
StreamWriter streamToWriteTo = new StreamWriter(filename);
streamToWriteTo.Write("<!DOCTYPE html><html><body>");
IntPoint modelSize = storage.modelSize;
IntPoint modelMin = storage.modelMin;
for (int extruderIndex = 0; extruderIndex < storage.Extruders.Count; extruderIndex++)
{
for (int layerNr = 0; layerNr < storage.Extruders[extruderIndex].Layers.Count; layerNr++)
{
streamToWriteTo.Write("<svg xmlns=\"http://www.w3.org/2000/svg\" version=\"1.1\" style=\"width: 500px; height:500px\">\n");
SliceLayer layer = storage.Extruders[extruderIndex].Layers[layerNr];
for (int i = 0; i < layer.Islands.Count; i++)
{
LayerIsland part = layer.Islands[i];
for (int j = 0; j < part.IslandOutline.Count; j++)
{
streamToWriteTo.Write("<polygon points=\"");
for (int k = 0; k < part.IslandOutline[j].Count; k++)
{
streamToWriteTo.Write("{0},{1} ".FormatWith((float)(part.IslandOutline[j][k].X - modelMin.X) / modelSize.X * 500, (float)(part.IslandOutline[j][k].Y - modelMin.Y) / modelSize.Y * 500));
}
if (j == 0)
{
streamToWriteTo.Write("\" style=\"fill:gray; stroke:black;stroke-width:1\" />\n");
}
else
{
streamToWriteTo.Write("\" style=\"fill:red; stroke:black;stroke-width:1\" />\n");
}
}
}
streamToWriteTo.Write("</svg>\n");
}
}
streamToWriteTo.Write("</body></html>");
streamToWriteTo.Close();
}
private static Polygons GetSkirtBounds(ConfigSettings config, LayerDataStorage storage, bool externalOnly, int distance, int extrusionWidth_um, int brimCount)
{
bool hasWipeTower = storage.wipeTower.PolygonLength() > 0;
Polygons skirtPolygons = hasWipeTower ? new Polygons(storage.wipeTower) : new Polygons();
if (config.EnableRaft)
{
skirtPolygons = skirtPolygons.CreateUnion(storage.raftOutline);
}
else
{
Polygons allOutlines = new Polygons();
// Loop over every extruder
for (int extrudeIndex = 0; extrudeIndex < storage.Extruders.Count; extrudeIndex++)
{
// Only process the first extruder on spiral vase or
// skip extruders that have empty layers
if (config.ContinuousSpiralOuterPerimeter)
{
SliceLayer layer0 = storage.Extruders[extrudeIndex].Layers[0];
allOutlines.AddAll(layer0.Islands[0]?.IslandOutline);
break;
}
// Add the layers outline to allOutlines
SliceLayer layer = storage.Extruders[extrudeIndex].Layers[0];
allOutlines.AddAll(layer.AllOutlines);
}
if (brimCount > 0)
{
Polygons brimLoops = new Polygons();
// Loop over the requested brimCount creating and unioning a new perimeter for each island
for (int brimIndex = 0; brimIndex < brimCount; brimIndex++)
{
int offsetDistance = extrusionWidth_um * brimIndex + extrusionWidth_um / 2;
Polygons unionedIslandOutlines = new Polygons();
// Grow each island by the current brim distance
foreach (var island in allOutlines)
{
var polygons = new Polygons();
polygons.Add(island);
// Union the island brims
unionedIslandOutlines = unionedIslandOutlines.CreateUnion(polygons.Offset(offsetDistance));
}
// Extend the polygons to account for the brim (ensures convex hull takes this data into account)
brimLoops.AddAll(unionedIslandOutlines);
}
// TODO: This is a quick hack, reuse the skirt data to stuff in the brim. Good enough from proof of concept
storage.skirt.AddAll(brimLoops);
skirtPolygons = skirtPolygons.CreateUnion(brimLoops);
}
else
{
skirtPolygons = skirtPolygons.CreateUnion(allOutlines);
}
if (storage.support != null)
{
skirtPolygons = skirtPolygons.CreateUnion(storage.support.GetBedOutlines());
}
}
return skirtPolygons;
}
private void CalculateInfillData(LayerDataStorage slicingData, int extruderIndex, int layerIndex, LayerIsland part, ref Polygons bottomFillPolygons, ref Polygons fillPolygons, ref Polygons topFillPolygons, ref Polygons bridgePolygons)
{
// generate infill the bottom layer including bridging
foreach (Polygons outline in part.SolidBottomToolPaths.ProcessIntoSeparatIslands())
{
if (layerIndex > 0)
{
double bridgeAngle = 0;
SliceLayer previousLayer = slicingData.Extruders[extruderIndex].Layers[layerIndex - 1];
if (!config.generateSupport &&
previousLayer.BridgeAngle(outline, out bridgeAngle))
{
Infill.GenerateLinePaths(outline, ref bridgePolygons, config.extrusionWidth_um, config.infillExtendIntoPerimeter_um, bridgeAngle);
}
else
{
Infill.GenerateLinePaths(outline, ref bottomFillPolygons, config.extrusionWidth_um, config.infillExtendIntoPerimeter_um, config.infillStartingAngle);
}
}
else
{
Infill.GenerateLinePaths(outline, ref bottomFillPolygons, config.firstLayerExtrusionWidth_um, config.infillExtendIntoPerimeter_um, config.infillStartingAngle);
}
}
// generate infill for the top layer
foreach (Polygons outline in part.SolidTopToolPaths.ProcessIntoSeparatIslands())
{
Infill.GenerateLinePaths(outline, ref topFillPolygons, config.extrusionWidth_um, config.infillExtendIntoPerimeter_um, config.infillStartingAngle);
}
// generate infill intermediate layers
foreach (Polygons outline in part.SolidInfillToolPaths.ProcessIntoSeparatIslands())
{
if (true) // use the old infill method
{
Infill.GenerateLinePaths(outline, ref fillPolygons, config.extrusionWidth_um, config.infillExtendIntoPerimeter_um, config.infillStartingAngle + 90 * (layerIndex % 2));
}
else // use the new concentric infill (not tested enough yet) have to handle some bad cases better
{
double oldInfillPercent = config.infillPercent;
config.infillPercent = 100;
Infill.GenerateConcentricInfill(config, outline, ref fillPolygons);
config.infillPercent = oldInfillPercent;
}
}
double fillAngle = config.infillStartingAngle;
// generate the sparse infill for this part on this layer
if (config.infillPercent > 0)
{
switch (config.infillType)
{
case ConfigConstants.INFILL_TYPE.LINES:
if ((layerIndex & 1) == 1)
{
fillAngle += 90;
}
Infill.GenerateLineInfill(config, part.InfillToolPaths, ref fillPolygons, fillAngle);
break;
case ConfigConstants.INFILL_TYPE.GRID:
Infill.GenerateGridInfill(config, part.InfillToolPaths, ref fillPolygons, fillAngle);
break;
case ConfigConstants.INFILL_TYPE.TRIANGLES:
Infill.GenerateTriangleInfill(config, part.InfillToolPaths, ref fillPolygons, fillAngle);
break;
case ConfigConstants.INFILL_TYPE.HEXAGON:
Infill.GenerateHexagonInfill(config, part.InfillToolPaths, ref fillPolygons, fillAngle, layerIndex);
break;
case ConfigConstants.INFILL_TYPE.CONCENTRIC:
Infill.GenerateConcentricInfill(config, part.InfillToolPaths, ref fillPolygons);
break;
default:
throw new NotImplementedException();
}
}
}
//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 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);
}
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");
LayerGCodePlanner layerPlanner = new LayerGCodePlanner(config, gcode, config.TravelSpeed, config.MinimumTravelToCauseRetraction_um, config.PerimeterStartEndOverlapRatio);
if (config.RaftExtruder >= 0)
{
// if we have a specified raft extruder use it
layerPlanner.SetExtruder(config.RaftExtruder);
}
else if (config.SupportExtruder >= 0)
{
// else preserve the old behavior of using the support extruder if set.
layerPlanner.SetExtruder(config.SupportExtruder);
}
gcode.CurrentZ = config.RaftBaseThickness_um;
gcode.LayerChanged(-3, config.RaftBaseThickness_um);
gcode.SetExtrusion(config.RaftBaseThickness_um, config.FilamentDiameter_um, config.ExtrusionMultiplier);
// write the skirt around the raft
layerPlanner.QueuePolygonsByOptimizer(storage.Skirt, null, raftBaseConfig, 0);
List <Polygons> raftIslands = storage.raftOutline.ProcessIntoSeparateIslands();
foreach (var raftIsland in raftIslands)
{
// write the outline of the raft
layerPlanner.QueuePolygonsByOptimizer(raftIsland, null, raftBaseConfig, 0);
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
layerPlanner.QueuePolygonsByOptimizer(raftLines, null, raftBaseConfig, 0);
if (config.RetractWhenChangingIslands)
{
layerPlanner.ForceRetract();
}
}
layerPlanner.WriteQueuedGCode(config.RaftBaseThickness_um);
}
// raft middle layers
{
gcode.WriteComment("RAFT MIDDLE");
LayerGCodePlanner layerPlanner = new LayerGCodePlanner(config, gcode, config.TravelSpeed, config.MinimumTravelToCauseRetraction_um, config.PerimeterStartEndOverlapRatio);
gcode.CurrentZ = config.RaftBaseThickness_um + config.RaftInterfaceThicknes_um;
gcode.LayerChanged(-2, config.RaftInterfaceThicknes_um);
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);
layerPlanner.QueuePolygonsByOptimizer(raftLines, null, raftMiddleConfig, 0);
layerPlanner.WriteQueuedGCode(config.RaftInterfaceThicknes_um);
}
for (int raftSurfaceIndex = 1; raftSurfaceIndex <= config.RaftSurfaceLayers; raftSurfaceIndex++)
{
gcode.WriteComment("RAFT SURFACE");
LayerGCodePlanner layerPlanner = new LayerGCodePlanner(config, gcode, config.TravelSpeed, config.MinimumTravelToCauseRetraction_um, config.PerimeterStartEndOverlapRatio);
gcode.CurrentZ = config.RaftBaseThickness_um + config.RaftInterfaceThicknes_um + config.RaftSurfaceThickness_um * raftSurfaceIndex;
gcode.LayerChanged(-1, config.RaftSurfaceThickness_um);
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);
}
layerPlanner.QueuePolygonsByOptimizer(raftLines, null, raftSurfaceConfig, 0);
layerPlanner.WriteQueuedGCode(config.RaftInterfaceThicknes_um);
}
}
}
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);
}
private void CreateWipeShields(LayerDataStorage slicingData, int totalLayers)
{
for (int layerNr = 0; layerNr < totalLayers; layerNr++)
{
Polygons wipeShield = new Polygons();
for (int extruderIndex = 0; extruderIndex < slicingData.Extruders.Count; extruderIndex++)
{
for (int partNr = 0; partNr < slicingData.Extruders[extruderIndex].Layers[layerNr].Islands.Count; partNr++)
{
wipeShield = wipeShield.CreateUnion(slicingData.Extruders[extruderIndex].Layers[layerNr].Islands[partNr].IslandOutline.Offset(config.wipeShieldDistanceFromShapes_um));
}
}
slicingData.wipeShield.Add(wipeShield);
}
for (int layerIndex = 0; layerIndex < totalLayers; layerIndex++)
{
slicingData.wipeShield[layerIndex] = slicingData.wipeShield[layerIndex].Offset(-1000).Offset(1000);
}
int offsetAngle = (int)Math.Tan(60.0 * Math.PI / 180) * config.layerThickness_um;//Allow for a 60deg angle in the wipeShield.
for (int layerNr = 1; layerNr < totalLayers; layerNr++)
{
slicingData.wipeShield[layerNr] = slicingData.wipeShield[layerNr].CreateUnion(slicingData.wipeShield[layerNr - 1].Offset(-offsetAngle));
}
for (int layerNr = totalLayers - 1; layerNr > 0; layerNr--)
{
slicingData.wipeShield[layerNr - 1] = slicingData.wipeShield[layerNr - 1].CreateUnion(slicingData.wipeShield[layerNr].Offset(-offsetAngle));
}
}
private void ProcessSliceData(LayerDataStorage slicingData)
{
if (config.continuousSpiralOuterPerimeter)
{
config.numberOfTopLayers = 0;
config.infillPercent = 0;
}
MultiExtruders.ProcessBooleans(slicingData.Extruders, config.BooleanOpperations);
MultiExtruders.RemoveExtruderIntersections(slicingData.Extruders);
MultiExtruders.OverlapMultipleExtrudersSlightly(slicingData.Extruders, config.multiExtruderOverlapPercent);
#if False
LayerPart.dumpLayerparts(slicingData, "output.html");
#endif
LogOutput.Log("Generating support map...\n");
if (config.generateSupport && !config.continuousSpiralOuterPerimeter)
{
slicingData.support = new NewSupport(config, slicingData.Extruders, 1);
}
slicingData.CreateIslandData();
int totalLayers = slicingData.Extruders[0].Layers.Count;
#if DEBUG
for (int extruderIndex = 1; extruderIndex < slicingData.Extruders.Count; extruderIndex++)
{
if (totalLayers != slicingData.Extruders[extruderIndex].Layers.Count)
{
throw new Exception("All the extruders must have the same number of layers (they just can have empty layers).");
}
}
#endif
for (int layerIndex = 0; layerIndex < totalLayers; layerIndex++)
{
for (int extruderIndex = 0; extruderIndex < slicingData.Extruders.Count; extruderIndex++)
{
if (MatterSlice.Canceled)
{
return;
}
int insetCount = config.numberOfPerimeters;
if (config.continuousSpiralOuterPerimeter && (int)(layerIndex) < config.numberOfBottomLayers && layerIndex % 2 == 1)
{
//Add extra insets every 2 layers when spiralizing, this makes bottoms of cups watertight.
insetCount += 1;
}
SliceLayer layer = slicingData.Extruders[extruderIndex].Layers[layerIndex];
if (layerIndex == 0)
{
layer.GenerateInsets(config.firstLayerExtrusionWidth_um, config.firstLayerExtrusionWidth_um, insetCount);
}
else
{
layer.GenerateInsets(config.extrusionWidth_um, config.outsideExtrusionWidth_um, insetCount);
}
}
LogOutput.Log("Creating Insets {0}/{1}\n".FormatWith(layerIndex + 1, totalLayers));
}
if (config.wipeShieldDistanceFromShapes_um > 0)
{
CreateWipeShields(slicingData, totalLayers);
}
LogOutput.Log("Generated inset in {0:0.0}s\n".FormatWith(timeKeeper.Elapsed.TotalSeconds));
timeKeeper.Restart();
for (int layerIndex = 0; layerIndex < totalLayers; layerIndex++)
{
if (MatterSlice.Canceled)
{
return;
}
//Only generate bottom and top layers and infill for the first X layers when spiralize is chosen.
if (!config.continuousSpiralOuterPerimeter || (int)(layerIndex) < config.numberOfBottomLayers)
{
for (int extruderIndex = 0; extruderIndex < slicingData.Extruders.Count; extruderIndex++)
{
if (layerIndex == 0)
{
slicingData.Extruders[extruderIndex].GenerateTopAndBottoms(layerIndex, config.firstLayerExtrusionWidth_um, config.firstLayerExtrusionWidth_um, config.numberOfBottomLayers, config.numberOfTopLayers);
}
else
{
slicingData.Extruders[extruderIndex].GenerateTopAndBottoms(layerIndex, config.extrusionWidth_um, config.outsideExtrusionWidth_um, config.numberOfBottomLayers, config.numberOfTopLayers);
}
}
}
LogOutput.Log("Creating Top & Bottom Layers {0}/{1}\n".FormatWith(layerIndex + 1, totalLayers));
}
LogOutput.Log("Generated top bottom layers in {0:0.0}s\n".FormatWith(timeKeeper.Elapsed.TotalSeconds));
timeKeeper.Restart();
if (config.wipeTowerSize_um > 0)
{
Polygon p = new Polygon();
slicingData.wipeTower.Add(p);
p.Add(new IntPoint(slicingData.modelMin.x - 3000, slicingData.modelMax.y + 3000));
p.Add(new IntPoint(slicingData.modelMin.x - 3000, slicingData.modelMax.y + 3000 + config.wipeTowerSize_um));
p.Add(new IntPoint(slicingData.modelMin.x - 3000 - config.wipeTowerSize_um, slicingData.modelMax.y + 3000 + config.wipeTowerSize_um));
p.Add(new IntPoint(slicingData.modelMin.x - 3000 - config.wipeTowerSize_um, slicingData.modelMax.y + 3000));
slicingData.wipePoint = new IntPoint(slicingData.modelMin.x - 3000 - config.wipeTowerSize_um / 2, slicingData.modelMax.y + 3000 + config.wipeTowerSize_um / 2);
}
if (config.enableRaft)
{
slicingData.GenerateRaftOutlines(config.raftExtraDistanceAroundPart_um, config);
slicingData.GenerateSkirt(
config.skirtDistance_um + config.raftBaseLineSpacing_um,
config.raftBaseLineSpacing_um,
config.numberOfSkirtLoops,
config.skirtMinLength_um,
config.raftBaseThickness_um, config);
}
else
{
slicingData.GenerateSkirt(
config.skirtDistance_um,
config.firstLayerExtrusionWidth_um,
config.numberOfSkirtLoops,
config.skirtMinLength_um,
config.firstLayerThickness_um, config);
}
}
private void SliceModels(LayerDataStorage slicingData)
{
timeKeeper.Restart();
#if false
optomizedModel.saveDebugSTL("debug_output.stl");
#endif
LogOutput.Log("Slicing model...\n");
List<Slicer> slicerList = new List<Slicer>();
for (int optimizedMeshIndex = 0; optimizedMeshIndex < optomizedMeshCollection.OptimizedMeshes.Count; optimizedMeshIndex++)
{
Slicer slicer = new Slicer(optomizedMeshCollection.OptimizedMeshes[optimizedMeshIndex], config);
slicerList.Add(slicer);
}
#if false
slicerList[0].DumpSegmentsToGcode("Volume 0 Segments.gcode");
slicerList[0].DumpPolygonsToGcode("Volume 0 Polygons.gcode");
//slicerList[0].DumpPolygonsToHTML("Volume 0 Polygons.html");
#endif
LogOutput.Log("Sliced model in {0:0.0}s\n".FormatWith(timeKeeper.Elapsed.TotalSeconds));
timeKeeper.Restart();
slicingData.modelSize = optomizedMeshCollection.size_um;
slicingData.modelMin = optomizedMeshCollection.minXYZ_um;
slicingData.modelMax = optomizedMeshCollection.maxXYZ_um;
LogOutput.Log("Generating layer parts...\n");
for (int extruderIndex = 0; extruderIndex < slicerList.Count; extruderIndex++)
{
slicingData.Extruders.Add(new ExtruderLayers());
slicingData.Extruders[extruderIndex].InitializeLayerData(slicerList[extruderIndex]);
if (config.enableRaft)
{
//Add the raft offset to each layer.
for (int layerIndex = 0; layerIndex < slicingData.Extruders[extruderIndex].Layers.Count; layerIndex++)
{
slicingData.Extruders[extruderIndex].Layers[layerIndex].LayerZ += config.raftBaseThickness_um + config.raftInterfaceThicknes_um;
}
}
}
LogOutput.Log("Generated layer parts in {0:0.0}s\n".FormatWith(timeKeeper.Elapsed.TotalSeconds));
timeKeeper.Restart();
}
private void addWipeTower(LayerDataStorage slicingData, 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.QueuePolygonsByOptimizer(slicingData.wipeTower, supportInterfaceConfig);
Polygons fillPolygons = new Polygons();
Infill.GenerateLinePaths(slicingData.wipeTower, ref fillPolygons, extrusionWidth_um, config.infillExtendIntoPerimeter_um, 45 + 90 * (layerNr % 2));
gcodeLayer.QueuePolygonsByOptimizer(fillPolygons, supportInterfaceConfig);
//Make sure we wipe the old extruder on the wipe tower.
gcodeLayer.QueueTravel(slicingData.wipePoint - config.extruderOffsets[prevExtruder] + config.extruderOffsets[gcodeLayer.getExtruder()]);
}
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, 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, 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, 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 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 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 static Polygons GetSkirtBounds(ConfigSettings config, LayerDataStorage storage, bool externalOnly, int distance, int extrusionWidth_um, int brimCount)
{
bool hasWipeTower = storage.wipeTower.PolygonLength() > 0;
Polygons skirtPolygons = new Polygons();
if (config.EnableRaft)
{
skirtPolygons = skirtPolygons.CreateUnion(storage.raftOutline);
}
else
{
Polygons allOutlines = hasWipeTower ? new Polygons(storage.wipeTower) : new Polygons();
// Loop over every extruder
for (int extrudeIndex = 0; extrudeIndex < storage.Extruders.Count; extrudeIndex++)
{
// Only process the first extruder on spiral vase or
// skip extruders that have empty layers
if (config.ContinuousSpiralOuterPerimeter)
{
SliceLayer layer0 = storage.Extruders[extrudeIndex].Layers[0];
allOutlines.AddAll(layer0.Islands[0]?.IslandOutline);
}
else
{
// Add the layers outline to allOutlines
SliceLayer layer = storage.Extruders[extrudeIndex].Layers[0];
foreach (var island in layer.Islands)
{
if (island.IslandOutline?.Count > 0)
{
allOutlines.Add(island.IslandOutline[0]);
}
}
}
}
if (brimCount > 0)
{
Polygons unionedIslandOutlines = new Polygons();
// Grow each island by the current brim distance
// Union the island brims
unionedIslandOutlines = unionedIslandOutlines.CreateUnion(allOutlines);
if (storage.support != null)
{
unionedIslandOutlines = unionedIslandOutlines.CreateUnion(storage.support.GetBedOutlines());
}
Polygons brimLoops = new Polygons();
// Loop over the requested brimCount creating and unioning a new perimeter for each island
for (int brimIndex = 0; brimIndex < brimCount; brimIndex++)
{
int offsetDistance = extrusionWidth_um * brimIndex + extrusionWidth_um / 2;
// Extend the polygons to account for the brim (ensures convex hull takes this data into account)
brimLoops.AddAll(unionedIslandOutlines.Offset(offsetDistance));
}
// TODO: This is a quick hack, reuse the skirt data to stuff in the brim. Good enough from proof of concept
storage.skirt.AddAll(brimLoops);
skirtPolygons = skirtPolygons.CreateUnion(brimLoops);
}
else
{
skirtPolygons = skirtPolygons.CreateUnion(allOutlines);
}
if (storage.support != null)
{
skirtPolygons = skirtPolygons.CreateUnion(storage.support.GetBedOutlines());
}
}
return(skirtPolygons);
}
//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 static Polygons GetSkirtBounds(ConfigSettings config, LayerDataStorage storage, bool externalOnly, int distance, int extrusionWidth_um, int brimCount)
{
bool hasWipeTower = storage.wipeTower.PolygonLength() > 0;
Polygons skirtPolygons = new Polygons();
if (config.EnableRaft)
{
skirtPolygons = skirtPolygons.CreateUnion(storage.raftOutline);
}
else
{
Polygons allOutlines = hasWipeTower ? new Polygons(storage.wipeTower.Offset(-extrusionWidth_um / 2)) : new Polygons();
if (storage.wipeShield.Count > 0 &&
storage.wipeShield[0].Count > 0)
{
allOutlines = allOutlines.CreateUnion(storage.wipeShield[0].Offset(-extrusionWidth_um / 2));
}
// Loop over every extruder
for (int extrudeIndex = 0; extrudeIndex < storage.Extruders.Count; extrudeIndex++)
{
// Only process the first extruder on spiral vase or
// skip extruders that have empty layers
if (config.ContinuousSpiralOuterPerimeter)
{
SliceLayer layer0 = storage.Extruders[extrudeIndex].Layers[0];
allOutlines.AddAll(layer0.Islands[0]?.IslandOutline);
}
else
{
// Add the layers outline to allOutlines
SliceLayer layer = storage.Extruders[extrudeIndex].Layers[0];
foreach (var island in layer.Islands)
{
if (island.IslandOutline?.Count > 0)
{
allOutlines.Add(island.IslandOutline[0]);
}
}
}
}
if (brimCount > 0)
{
Polygons brimIslandOutlines = new Polygons();
// Grow each island by the current brim distance
// Union the island brims
brimIslandOutlines = brimIslandOutlines.CreateUnion(allOutlines);
if (storage.support != null)
{
brimIslandOutlines = brimIslandOutlines.CreateUnion(storage.support.GetBedOutlines());
}
brimIslandOutlines = brimIslandOutlines.Offset(extrusionWidth_um * (brimCount - 1));
// Loop over the requested brimCount creating and unioning a new perimeter for each island
List <Polygons> brimIslands = brimIslandOutlines.ProcessIntoSeparateIslands();
foreach (var brimIsland in brimIslands)
{
Polygons brimLoops = new Polygons();
for (int brimIndex = brimCount - 1; brimIndex >= 0; brimIndex--)
{
int offsetDistance = extrusionWidth_um * brimIndex;
// Extend the polygons to account for the brim (ensures convex hull takes this data into account)
brimLoops.AddAll(brimIsland.Offset(-offsetDistance + extrusionWidth_um / 2));
}
storage.Brims.Add(brimLoops);
}
// and extend the bonuds of the skirt polygons
skirtPolygons = skirtPolygons.CreateUnion(brimIslandOutlines);
}
skirtPolygons = skirtPolygons.CreateUnion(allOutlines);
if (storage.support != null)
{
skirtPolygons = skirtPolygons.CreateUnion(storage.support.GetBedOutlines());
}
}
return(skirtPolygons);
}
//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);
}