private void CreateWipeShields(SliceDataStorage storage, int totalLayers)
{
for (int layerNr = 0; layerNr < totalLayers; layerNr++)
{
Polygons wipeShield = new Polygons();
for (int volumeIdx = 0; volumeIdx < storage.volumes.Count; volumeIdx++)
{
for (int partNr = 0; partNr < storage.volumes[volumeIdx].layers[layerNr].parts.Count; partNr++)
{
wipeShield = wipeShield.CreateUnion(storage.volumes[volumeIdx].layers[layerNr].parts[partNr].TotalOutline.Offset(config.wipeShieldDistanceFromShapes_um));
}
}
storage.wipeShield.Add(wipeShield);
}
for (int layerIndex = 0; layerIndex < totalLayers; layerIndex++)
{
storage.wipeShield[layerIndex] = storage.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++)
{
storage.wipeShield[layerNr] = storage.wipeShield[layerNr].CreateUnion(storage.wipeShield[layerNr - 1].Offset(-offsetAngle));
}
for (int layerNr = totalLayers - 1; layerNr > 0; layerNr--)
{
storage.wipeShield[layerNr - 1] = storage.wipeShield[layerNr - 1].CreateUnion(storage.wipeShield[layerNr].Offset(-offsetAngle));
}
}
public static void GenerateRaftOutlines(SliceDataStorage storage, int extraDistanceAroundPart_um)
{
for (int volumeIdx = 0; volumeIdx < storage.volumes.Count; volumeIdx++)
{
if (storage.volumes[volumeIdx].layers.Count < 1)
{
continue;
}
SliceLayer layer = storage.volumes[volumeIdx].layers[0];
// let's find the first layer that has something in it for the raft rather than a zero layer
if (layer.parts.Count == 0 && storage.volumes[volumeIdx].layers.Count > 2)
{
layer = storage.volumes[volumeIdx].layers[1];
}
for (int i = 0; i < layer.parts.Count; i++)
{
storage.raftOutline = storage.raftOutline.CreateUnion(layer.parts[i].outline.Offset(extraDistanceAroundPart_um));
}
}
SupportPolyGenerator supportGenerator = new SupportPolyGenerator(storage.support, 0);
storage.raftOutline = storage.raftOutline.CreateUnion(storage.wipeTower.Offset(extraDistanceAroundPart_um));
storage.raftOutline = storage.raftOutline.CreateUnion(supportGenerator.supportPolygons.Offset(extraDistanceAroundPart_um));
}
public static void DumpLayerparts(SliceDataStorage storage, string filename)
{
StreamWriter streamToWriteTo = new StreamWriter(filename);
streamToWriteTo.Write("<!DOCTYPE html><html><body>");
Point3 modelSize = storage.modelSize;
Point3 modelMin = storage.modelMin;
for (int volumeIdx = 0; volumeIdx < storage.volumes.Count; volumeIdx++)
{
for (int layerNr = 0; layerNr < storage.volumes[volumeIdx].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.volumes[volumeIdx].layers[layerNr];
for (int i = 0; i < layer.parts.Count; i++)
{
SliceLayerPart part = layer.parts[i];
for (int j = 0; j < part.TotalOutline.Count; j++)
{
streamToWriteTo.Write("<polygon points=\"");
for (int k = 0; k < part.TotalOutline[j].Count; k++)
streamToWriteTo.Write("{0},{1} ".FormatWith((float)(part.TotalOutline[j][k].X - modelMin.x) / modelSize.x * 500, (float)(part.TotalOutline[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();
}
public static void generateSkirt(SliceDataStorage storage, int distance, int extrusionWidth_um, int numberOfLoops, int minLength, int initialLayerHeight)
{
bool externalOnly = (distance > 0);
for (int skirtLoop = 0; skirtLoop < numberOfLoops; skirtLoop++)
{
int offsetDistance = distance + extrusionWidth_um * skirtLoop + extrusionWidth_um / 2;
Polygons skirtPolygons = new Polygons(storage.wipeTower.Offset(offsetDistance));
for (int volumeIndex = 0; volumeIndex < storage.volumes.Count; volumeIndex++)
{
if (storage.volumes[volumeIndex].layers.Count < 1)
{
continue;
}
SliceLayer layer = storage.volumes[volumeIndex].layers[0];
for (int i = 0; i < layer.parts.Count; i++)
{
if (externalOnly)
{
Polygons p = new Polygons();
p.Add(layer.parts[i].outline[0]);
skirtPolygons = skirtPolygons.CreateUnion(p.Offset(offsetDistance));
}
else
{
skirtPolygons = skirtPolygons.CreateUnion(layer.parts[i].outline.Offset(offsetDistance));
}
}
}
SupportPolyGenerator supportGenerator = new SupportPolyGenerator(storage.support, initialLayerHeight);
skirtPolygons = skirtPolygons.CreateUnion(supportGenerator.supportPolygons.Offset(offsetDistance));
//Remove small inner skirt holes. Holes have a negative area, remove anything smaller then 100x extrusion "area"
for (int n = 0; n < skirtPolygons.Count; n++)
{
double area = skirtPolygons[n].Area();
if (area < 0 && area > -extrusionWidth_um * extrusionWidth_um * 100)
{
skirtPolygons.RemoveAt(n--);
}
}
storage.skirt.AddAll(skirtPolygons);
int lenght = (int)storage.skirt.polygonLength();
if (skirtLoop + 1 >= numberOfLoops && lenght > 0 && lenght < minLength)
{
// add more loops for as long as we have not extruded enough length
numberOfLoops++;
}
}
}
private void AddSupportToGCode(SliceDataStorage storage, GCodePlanner gcodeLayer, int layerIndex, ConfigSettings config)
{
if (!storage.support.generated)
{
return;
}
if (config.supportExtruder > -1)
{
int prevExtruder = gcodeLayer.getExtruder();
if (gcodeLayer.SetExtruder(config.supportExtruder))
{
addWipeTower(storage, gcodeLayer, layerIndex, prevExtruder, config.extrusionWidth_um);
}
if (storage.wipeShield.Count > 0 && storage.volumes.Count == 1)
{
gcodeLayer.SetAlwaysRetract(true);
gcodeLayer.WritePolygonsByOptimizer(storage.wipeShield[layerIndex], skirtConfig);
gcodeLayer.SetAlwaysRetract(config.avoidCrossingPerimeters);
}
}
int currentZHeight_um = config.firstLayerThickness_um;
if (layerIndex == 0)
{
currentZHeight_um /= 2;
}
else
{
if (layerIndex > 1)
{
currentZHeight_um += (layerIndex - 1) * config.layerThickness_um;
}
currentZHeight_um += config.layerThickness_um / 2;
}
SupportPolyGenerator supportGenerator = new SupportPolyGenerator(storage.support, currentZHeight_um);
WriteSupportPolygons(storage, gcodeLayer, layerIndex, config, supportGenerator.supportPolygons, SupportType.General);
if (config.supportInterfaceExtruder != -1 &&
config.supportInterfaceExtruder != config.supportExtruder)
{
gcodeLayer.SetExtruder(config.supportInterfaceExtruder);
}
WriteSupportPolygons(storage, gcodeLayer, layerIndex, config, supportGenerator.interfacePolygons, SupportType.Interface);
}
private void sliceModels(SliceDataStorage storage)
{
timeKeeper.Restart();
#if false
optomizedModel.saveDebugSTL("debug_output.stl");
#endif
LogOutput.Log("Slicing model...\n");
List<Slicer> slicerList = new List<Slicer>();
for (int volumeIndex = 0; volumeIndex < optomizedModel.volumes.Count; volumeIndex++)
{
Slicer slicer = new Slicer(optomizedModel.volumes[volumeIndex], 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.Seconds));
timeKeeper.Restart();
LogOutput.Log("Generating support map...\n");
storage.support.GenerateSupportGrid(optomizedModel, config);
storage.modelSize = optomizedModel.size_um;
storage.modelMin = optomizedModel.minXYZ_um;
storage.modelMax = optomizedModel.maxXYZ_um;
LogOutput.Log("Generating layer parts...\n");
for (int volumeIndex = 0; volumeIndex < slicerList.Count; volumeIndex++)
{
storage.volumes.Add(new SliceVolumeStorage());
LayerPart.CreateLayerParts(storage.volumes[volumeIndex], slicerList[volumeIndex], config.repairOverlaps);
if (config.enableRaft)
{
//Add the raft offset to each layer.
for (int layerNr = 0; layerNr < storage.volumes[volumeIndex].layers.Count; layerNr++)
{
storage.volumes[volumeIndex].layers[layerNr].printZ += config.raftBaseThickness_um + config.raftInterfaceThicknes_um;
}
}
}
LogOutput.Log("Generated layer parts in {0:0.0}s\n".FormatWith(timeKeeper.Elapsed.Seconds));
timeKeeper.Restart();
}
private void addWipeTower(SliceDataStorage storage, GCodePlanner gcodeLayer, int layerNr, int prevExtruder, int extrusionWidth_um)
{
if (config.wipeTowerSize_um < 1)
{
return;
}
//If we changed extruder, print the wipe/prime tower for this nozzle;
gcodeLayer.WritePolygonsByOptimizer(storage.wipeTower, supportInterfaceConfig);
Polygons fillPolygons = new Polygons();
Infill.GenerateLinePaths(storage.wipeTower, ref fillPolygons, extrusionWidth_um, config.infillExtendIntoPerimeter_um, 45 + 90 * (layerNr % 2));
gcodeLayer.WritePolygonsByOptimizer(fillPolygons, supportInterfaceConfig);
//Make sure we wipe the old extruder on the wipe tower.
gcodeLayer.WriteTravel(storage.wipePoint - config.extruderOffsets[prevExtruder] + config.extruderOffsets[gcodeLayer.getExtruder()]);
}
public static void GenerateRaftOutlines(SliceDataStorage storage, int extraDistanceAroundPart_um)
{
for (int volumeIdx = 0; volumeIdx < storage.volumes.Count; volumeIdx++)
{
if (storage.volumes[volumeIdx].layers.Count < 1)
{
continue;
}
SliceLayer layer = storage.volumes[volumeIdx].layers[0];
for (int i = 0; i < layer.parts.Count; i++)
{
storage.raftOutline = storage.raftOutline.CreateUnion(layer.parts[i].outline.Offset(extraDistanceAroundPart_um));
}
}
SupportPolyGenerator supportGenerator = new SupportPolyGenerator(storage.support, 0);
storage.raftOutline = storage.raftOutline.CreateUnion(storage.wipeTower.Offset(extraDistanceAroundPart_um));
storage.raftOutline = storage.raftOutline.CreateUnion(supportGenerator.supportPolygons.Offset(extraDistanceAroundPart_um));
}
public static void dumpLayerparts(SliceDataStorage storage, string filename)
{
StreamWriter streamToWriteTo = new StreamWriter(filename);
streamToWriteTo.Write("<!DOCTYPE html><html><body>");
Point3 modelSize = storage.modelSize;
Point3 modelMin = storage.modelMin;
for (int volumeIdx = 0; volumeIdx < storage.volumes.Count; volumeIdx++)
{
for (int layerNr = 0; layerNr < storage.volumes[volumeIdx].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.volumes[volumeIdx].layers[layerNr];
for (int i = 0; i < layer.parts.Count; i++)
{
SliceLayerPart part = layer.parts[i];
for (int j = 0; j < part.outline.Count; j++)
{
streamToWriteTo.Write("<polygon points=\"");
for (int k = 0; k < part.outline[j].Count; k++)
{
streamToWriteTo.Write("{0},{1} ".FormatWith((float)(part.outline[j][k].X - modelMin.x) / modelSize.x * 500, (float)(part.outline[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();
}
public static void GenerateRaftOutlines(SliceDataStorage storage, int extraDistanceAroundPart_um, ConfigSettings config)
{
for (int volumeIndex = 0; volumeIndex < storage.volumes.Count; volumeIndex++)
{
if (config.continuousSpiralOuterPerimeter && volumeIndex > 0)
{
continue;
}
if (storage.volumes[volumeIndex].layers.Count < 1)
{
continue;
}
SliceLayer layer = storage.volumes[volumeIndex].layers[0];
// let's find the first layer that has something in it for the raft rather than a zero layer
if (layer.parts.Count == 0 && storage.volumes[volumeIndex].layers.Count > 2)
{
layer = storage.volumes[volumeIndex].layers[1];
}
for (int partIndex = 0; partIndex < layer.parts.Count; partIndex++)
{
if (config.continuousSpiralOuterPerimeter && partIndex > 0)
{
continue;
}
storage.raftOutline = storage.raftOutline.CreateUnion(layer.parts[partIndex].TotalOutline.Offset(extraDistanceAroundPart_um));
}
}
SupportPolyGenerator supportGenerator = new SupportPolyGenerator(storage.support, 0);
storage.raftOutline = storage.raftOutline.CreateUnion(storage.wipeTower.Offset(extraDistanceAroundPart_um));
storage.raftOutline = storage.raftOutline.CreateUnion(supportGenerator.supportPolygons.Offset(extraDistanceAroundPart_um));
}
private void AddSkirtToGCode(SliceDataStorage storage, GCodePlanner gcodeLayer, int volumeIndex, int layerIndex)
{
if (storage.skirt.Count > 0
&& storage.skirt[0].Count > 0)
{
IntPoint lowestPoint = storage.skirt[0][0];
// lets make sure we start with the most outside loop
foreach (Polygon polygon in storage.skirt)
{
foreach (IntPoint position in polygon)
{
if (position.Y < lowestPoint.Y)
{
lowestPoint = polygon[0];
}
}
}
gcodeLayer.WriteTravel(lowestPoint);
}
gcodeLayer.WritePolygonsByOptimizer(storage.skirt, skirtConfig);
}
private void addWipeTower(SliceDataStorage storage, GCodePlanner gcodeLayer, int layerNr, int prevExtruder, int extrusionWidth_um)
{
if (config.wipeTowerSize_um < 1)
{
return;
}
//If we changed extruder, print the wipe/prime tower for this nozzle;
gcodeLayer.WritePolygonsByOptimizer(storage.wipeTower, supportInterfaceConfig);
Polygons fillPolygons = new Polygons();
Infill.GenerateLinePaths(storage.wipeTower, ref fillPolygons, extrusionWidth_um, config.infillExtendIntoPerimeter_um, 45 + 90 * (layerNr % 2));
gcodeLayer.WritePolygonsByOptimizer(fillPolygons, supportInterfaceConfig);
//Make sure we wipe the old extruder on the wipe tower.
gcodeLayer.WriteTravel(storage.wipePoint - config.extruderOffsets[prevExtruder] + config.extruderOffsets[gcodeLayer.getExtruder()]);
}
//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 AddSupportToGCode(SliceDataStorage storage, GCodePlanner gcodeLayer, int layerIndex, ConfigSettings config)
{
if (!storage.support.generated)
{
return;
}
if (config.supportExtruder > -1)
{
int prevExtruder = gcodeLayer.getExtruder();
if (gcodeLayer.SetExtruder(config.supportExtruder))
{
addWipeTower(storage, gcodeLayer, layerIndex, prevExtruder, config.extrusionWidth_um);
}
if (storage.wipeShield.Count > 0 && storage.volumes.Count == 1)
{
gcodeLayer.SetAlwaysRetract(true);
gcodeLayer.WritePolygonsByOptimizer(storage.wipeShield[layerIndex], skirtConfig);
gcodeLayer.SetAlwaysRetract(config.avoidCrossingPerimeters);
}
}
int currentZHeight_um = config.firstLayerThickness_um;
if (layerIndex == 0)
{
currentZHeight_um /= 2;
}
else
{
if (layerIndex > 1)
{
currentZHeight_um += (layerIndex - 1) * config.layerThickness_um;
}
currentZHeight_um += config.layerThickness_um / 2;
}
SupportPolyGenerator supportGenerator = new SupportPolyGenerator(storage.support, currentZHeight_um);
WriteSupportPolygons(storage, gcodeLayer, layerIndex, config, supportGenerator.supportPolygons, SupportType.General);
if (config.supportInterfaceExtruder != -1
&& config.supportInterfaceExtruder != config.supportExtruder)
{
gcodeLayer.SetExtruder(config.supportInterfaceExtruder);
}
WriteSupportPolygons(storage, gcodeLayer, layerIndex, config, supportGenerator.interfacePolygons, SupportType.Interface);
}
private void AddSkirtToGCode(SliceDataStorage storage, GCodePlanner gcodeLayer, int volumeIndex, int layerIndex)
{
if (storage.skirt.Count > 0
&& storage.skirt[0].Count > 0)
{
IntPoint lowestPoint = storage.skirt[0][0];
// lets make sure we start with the most outside loop
foreach (Polygon polygon in storage.skirt)
{
foreach (IntPoint position in polygon)
{
if (position.Y < lowestPoint.Y)
{
lowestPoint = polygon[0];
}
}
}
gcodeLayer.WriteTravel(lowestPoint);
}
gcodeLayer.WritePolygonsByOptimizer(storage.skirt, skirtConfig);
}
private void CalculateInfillData(SliceDataStorage storage, int volumeIndex, int layerIndex, int extrusionWidth_um, SliceLayerPart part, ref Polygons fillPolygons, ref Polygons bridgePolygons)
{
// generate infill for outline including bridging
foreach (Polygons outline in part.skinOutline.SplitIntoParts())
{
double partFillAngle = config.infillStartingAngle;
if ((layerIndex & 1) == 1)
{
partFillAngle += 90;
}
if (layerIndex > 0)
{
double bridgeAngle;
if (Bridge.BridgeAngle(outline, storage.volumes[volumeIndex].layers[layerIndex - 1], out bridgeAngle))
{
Infill.GenerateLinePaths(outline, ref bridgePolygons, extrusionWidth_um, config.infillExtendIntoPerimeter_um, bridgeAngle);
}
else
{
Infill.GenerateLinePaths(outline, ref fillPolygons, extrusionWidth_um, config.infillExtendIntoPerimeter_um, partFillAngle);
}
}
else
{
Infill.GenerateLinePaths(outline, ref fillPolygons, extrusionWidth_um, config.infillExtendIntoPerimeter_um, partFillAngle);
}
}
double fillAngle = config.infillStartingAngle;
// generate the 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.sparseOutline, ref fillPolygons, extrusionWidth_um, fillAngle);
break;
case ConfigConstants.INFILL_TYPE.GRID:
Infill.GenerateGridInfill(config, part.sparseOutline, ref fillPolygons, extrusionWidth_um, fillAngle);
break;
case ConfigConstants.INFILL_TYPE.TRIANGLES:
Infill.GenerateTriangleInfill(config, part.sparseOutline, ref fillPolygons, extrusionWidth_um, fillAngle);
break;
case ConfigConstants.INFILL_TYPE.HEXAGON:
Infill.GenerateHexagonInfill(config, part.sparseOutline, ref fillPolygons, extrusionWidth_um, fillAngle, layerIndex);
break;
case ConfigConstants.INFILL_TYPE.CONCENTRIC:
Infill.generateConcentricInfill(config, part.sparseOutline, ref fillPolygons, extrusionWidth_um, fillAngle);
break;
default:
throw new NotImplementedException();
}
}
}
public static void GenerateRaftGCodeIfRequired(SliceDataStorage storage, ConfigSettings config, GCodeExport gcode)
{
if (ShouldGenerateRaft(config))
{
GCodePathConfig raftBaseConfig = new GCodePathConfig(config.firstLayerSpeed, config.extrusionWidth_um * 3, "SUPPORT");
GCodePathConfig raftMiddleConfig = new GCodePathConfig(config.raftPrintSpeed, config.raftInterfaceLinewidth_um, "SUPPORT");
GCodePathConfig raftSurfaceConfig = new GCodePathConfig((config.raftSurfacePrintSpeed > 0) ? config.raftSurfacePrintSpeed : config.raftPrintSpeed, config.raftSurfaceLinewidth_um, "SUPPORT");
// create the raft base
{
gcode.writeComment("LAYER:-3");
gcode.writeComment("RAFT BASE");
GCodePlanner gcodeLayer = new GCodePlanner(gcode, config.travelSpeed, config.minimumTravelToCauseRetraction_um);
if (config.supportExtruder > 0)
{
gcodeLayer.setExtruder(config.supportExtruder);
}
gcode.setZ(config.raftBaseThickness_um);
gcode.setExtrusion(config.raftBaseThickness_um, config.filamentDiameter_um, config.extrusionMultiplier);
gcodeLayer.writePolygonsByOptimizer(storage.raftOutline, raftBaseConfig);
Polygons raftLines = new Polygons();
Infill.GenerateLinePaths(storage.raftOutline, ref raftLines, config.raftBaseThickness_um, config.raftLineSpacing_um, config.infillExtendIntoPerimeter_um, 0);
gcodeLayer.writePolygonsByOptimizer(storage.skirt, raftBaseConfig);
gcodeLayer.writePolygonsByOptimizer(raftLines, raftBaseConfig);
gcodeLayer.writeGCode(false, config.raftBaseThickness_um);
}
if (config.raftFanSpeedPercent > 0)
{
gcode.writeFanCommand(config.raftFanSpeedPercent);
}
// raft middle layers
{
gcode.writeComment("LAYER:-2");
gcode.writeComment("RAFT MIDDLE");
GCodePlanner gcodeLayer = new GCodePlanner(gcode, config.travelSpeed, config.minimumTravelToCauseRetraction_um);
gcode.setZ(config.raftBaseThickness_um + config.raftInterfaceThicknes_um);
gcode.setExtrusion(config.raftInterfaceThicknes_um, config.filamentDiameter_um, config.extrusionMultiplier);
Polygons raftLines = new Polygons();
Infill.GenerateLinePaths(storage.raftOutline, ref raftLines, config.raftInterfaceLinewidth_um, config.raftInterfaceLineSpacing_um, config.infillExtendIntoPerimeter_um, 45);
gcodeLayer.writePolygonsByOptimizer(raftLines, raftMiddleConfig);
gcodeLayer.writeGCode(false, config.raftInterfaceThicknes_um);
}
for (int raftSurfaceLayer = 1; raftSurfaceLayer <= config.raftSurfaceLayers; raftSurfaceLayer++)
{
gcode.writeComment("LAYER:-1");
gcode.writeComment("RAFT SURFACE");
GCodePlanner gcodeLayer = new GCodePlanner(gcode, config.travelSpeed, config.minimumTravelToCauseRetraction_um);
gcode.setZ(config.raftBaseThickness_um + config.raftInterfaceThicknes_um + config.raftSurfaceThickness_um * raftSurfaceLayer);
gcode.setExtrusion(config.raftSurfaceThickness_um, config.filamentDiameter_um, config.extrusionMultiplier);
Polygons raftLines = new Polygons();
Infill.GenerateLinePaths(storage.raftOutline, ref raftLines, config.raftSurfaceLinewidth_um, config.raftSurfaceLineSpacing_um, config.infillExtendIntoPerimeter_um, 90 * raftSurfaceLayer);
gcodeLayer.writePolygonsByOptimizer(raftLines, raftSurfaceConfig);
gcodeLayer.writeGCode(false, config.raftInterfaceThicknes_um);
}
}
}
private void processSliceData(SliceDataStorage storage)
{
if (config.continuousSpiralOuterPerimeter)
{
config.numberOfTopLayers = 0;
config.infillPercent = 0;
}
MultiVolumes.RemoveVolumesIntersections(storage.volumes);
MultiVolumes.OverlapMultipleVolumesSlightly(storage.volumes, config.multiVolumeOverlapPercent);
#if False
LayerPart.dumpLayerparts(storage, "output.html");
#endif
int totalLayers = storage.volumes[0].layers.Count;
#if DEBUG
for (int volumeIndex = 1; volumeIndex < storage.volumes.Count; volumeIndex++)
{
if (totalLayers != storage.volumes[volumeIndex].layers.Count)
{
throw new Exception("All the valumes must have the same number of layers (they just can have empty layers).");
}
}
#endif
for (int layerIndex = 0; layerIndex < totalLayers; layerIndex++)
{
for (int volumeIndex = 0; volumeIndex < storage.volumes.Count; volumeIndex++)
{
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 += 5;
}
SliceLayer layer = storage.volumes[volumeIndex].layers[layerIndex];
int extrusionWidth = config.extrusionWidth_um;
if (layerIndex == 0)
{
extrusionWidth = config.firstLayerExtrusionWidth_um;
}
Inset.generateInsets(layer, extrusionWidth, insetCount);
}
LogOutput.Log("Creating Insets {0}/{1}\n".FormatWith(layerIndex + 1, totalLayers));
}
if (config.wipeShieldDistanceFromShapes_um > 0)
{
CreateWipeShields(storage, totalLayers);
}
LogOutput.Log("Generated inset in {0:0.0}s\n".FormatWith(timeKeeper.Elapsed.Seconds));
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 choosen.
if (!config.continuousSpiralOuterPerimeter || (int)(layerIndex) < config.numberOfBottomLayers)
{
for (int volumeIndex = 0; volumeIndex < storage.volumes.Count; volumeIndex++)
{
int extrusionWidth = config.extrusionWidth_um;
if (layerIndex == 0)
{
extrusionWidth = config.firstLayerExtrusionWidth_um;
}
TopsAndBottoms.GenerateTopAndBottom(layerIndex, storage.volumes[volumeIndex], extrusionWidth, 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.Seconds));
timeKeeper.Restart();
if (config.wipeTowerSize_um > 0)
{
Polygon p = new Polygon();
storage.wipeTower.Add(p);
p.Add(new IntPoint(storage.modelMin.x - 3000, storage.modelMax.y + 3000));
p.Add(new IntPoint(storage.modelMin.x - 3000, storage.modelMax.y + 3000 + config.wipeTowerSize_um));
p.Add(new IntPoint(storage.modelMin.x - 3000 - config.wipeTowerSize_um, storage.modelMax.y + 3000 + config.wipeTowerSize_um));
p.Add(new IntPoint(storage.modelMin.x - 3000 - config.wipeTowerSize_um, storage.modelMax.y + 3000));
storage.wipePoint = new IntPoint(storage.modelMin.x - 3000 - config.wipeTowerSize_um / 2, storage.modelMax.y + 3000 + config.wipeTowerSize_um / 2);
}
if (config.enableRaft)
{
Raft.GenerateRaftOutlines(storage, config.raftExtraDistanceAroundPart_um, config);
Skirt.generateSkirt(storage,
config.skirtDistance_um + config.raftBaseLineSpacing_um,
config.raftBaseLineSpacing_um,
config.numberOfSkirtLoops,
config.skirtMinLength_um,
config.raftBaseThickness_um, config);
}
else
{
Skirt.generateSkirt(storage,
config.skirtDistance_um,
config.firstLayerExtrusionWidth_um,
config.numberOfSkirtLoops,
config.skirtMinLength_um,
config.firstLayerThickness_um, config);
}
}
//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 writeGCode(SliceDataStorage storage)
{
gcode.WriteComment("filamentDiameter = {0}".FormatWith(config.filamentDiameter));
gcode.WriteComment("extrusionWidth = {0}".FormatWith(config.extrusionWidth));
gcode.WriteComment("firstLayerExtrusionWidth = {0}".FormatWith(config.firstLayerExtrusionWidth));
gcode.WriteComment("layerThickness = {0}".FormatWith(config.layerThickness));
gcode.WriteComment("firstLayerThickness = {0}".FormatWith(config.firstLayerThickness));
if (fileNumber == 1)
{
if (gcode.GetOutputType() == ConfigConstants.OUTPUT_TYPE.ULTIGCODE)
{
gcode.WriteComment("TYPE:UltiGCode");
gcode.WriteComment("TIME:<__TIME__>");
gcode.WriteComment("MATERIAL:<FILAMENT>");
gcode.WriteComment("MATERIAL2:<FILAMEN2>");
}
gcode.WriteCode(config.startCode);
if (gcode.GetOutputType() == ConfigConstants.OUTPUT_TYPE.BFB)
{
gcode.WriteComment("enable auto-retraction");
gcode.WriteLine("M227 S{0} P{1}".FormatWith(config.retractionOnTravel * 2560, config.retractionOnTravel * 2560));
}
}
else
{
gcode.WriteFanCommand(0);
gcode.ResetExtrusionValue();
gcode.WriteRetraction();
gcode.setZ(maxObjectHeight + 5000);
gcode.WriteMove(gcode.GetPositionXY(), config.travelSpeed, 0);
gcode.WriteMove(new IntPoint(storage.modelMin.x, storage.modelMin.y), config.travelSpeed, 0);
}
fileNumber++;
int totalLayers = storage.volumes[0].layers.Count;
// let's remove any of the layers on top that are empty
{
for (int layerIndex = totalLayers - 1; layerIndex >= 0; layerIndex--)
{
bool layerHasData = false;
foreach (SliceVolumeStorage currentVolume in storage.volumes)
{
SliceLayer currentLayer = currentVolume.layers[layerIndex];
for (int partIndex = 0; partIndex < currentVolume.layers[layerIndex].parts.Count; partIndex++)
{
SliceLayerPart currentPart = currentLayer.parts[partIndex];
if (currentPart.TotalOutline.Count > 0)
{
layerHasData = true;
break;
}
}
}
if (layerHasData)
{
break;
}
totalLayers--;
}
}
gcode.WriteComment("Layer count: {0}".FormatWith(totalLayers));
// keep the raft generation code inside of raft
Raft.GenerateRaftGCodeIfRequired(storage, config, gcode);
int volumeIndex = 0;
for (int layerIndex = 0; layerIndex < totalLayers; layerIndex++)
{
if (MatterSlice.Canceled)
{
return;
}
LogOutput.Log("Writing Layers {0}/{1}\n".FormatWith(layerIndex + 1, totalLayers));
LogOutput.logProgress("export", layerIndex + 1, totalLayers);
int extrusionWidth_um = config.extrusionWidth_um;
if (layerIndex == 0)
{
extrusionWidth_um = config.firstLayerExtrusionWidth_um;
}
if (layerIndex == 0)
{
skirtConfig.setData(config.firstLayerSpeed, extrusionWidth_um, "SKIRT");
inset0Config.setData(config.firstLayerSpeed, extrusionWidth_um, "WALL-OUTER");
insetXConfig.setData(config.firstLayerSpeed, extrusionWidth_um, "WALL-INNER");
fillConfig.setData(config.firstLayerSpeed, extrusionWidth_um, "FILL", false);
bridgConfig.setData(config.firstLayerSpeed, extrusionWidth_um, "BRIDGE");
supportNormalConfig.setData(config.firstLayerSpeed, config.supportExtrusionWidth_um, "SUPPORT");
supportInterfaceConfig.setData(config.firstLayerSpeed, config.extrusionWidth_um, "SUPPORT-INTERFACE");
}
else
{
skirtConfig.setData(config.insidePerimetersSpeed, extrusionWidth_um, "SKIRT");
inset0Config.setData(config.outsidePerimeterSpeed, extrusionWidth_um, "WALL-OUTER");
insetXConfig.setData(config.insidePerimetersSpeed, extrusionWidth_um, "WALL-INNER");
fillConfig.setData(config.infillSpeed, extrusionWidth_um, "FILL", false);
bridgConfig.setData(config.bridgeSpeed, extrusionWidth_um, "BRIDGE");
supportNormalConfig.setData(config.supportMaterialSpeed, config.supportExtrusionWidth_um, "SUPPORT");
supportInterfaceConfig.setData(config.supportMaterialSpeed, config.extrusionWidth_um, "SUPPORT-INTERFACE");
}
gcode.WriteComment("LAYER:{0}".FormatWith(layerIndex));
if (layerIndex == 0)
{
gcode.SetExtrusion(config.firstLayerThickness_um, config.filamentDiameter_um, config.extrusionMultiplier);
}
else
{
gcode.SetExtrusion(config.layerThickness_um, config.filamentDiameter_um, config.extrusionMultiplier);
}
GCodePlanner gcodeLayer = new GCodePlanner(gcode, config.travelSpeed, config.minimumTravelToCauseRetraction_um);
// get the correct height for this layer
int z = config.firstLayerThickness_um + layerIndex * config.layerThickness_um;
if (config.enableRaft)
{
z += config.raftBaseThickness_um + config.raftInterfaceThicknes_um + config.raftSurfaceLayers * config.raftSurfaceThickness_um;
if (layerIndex == 0)
{
// We only raise the first layer of the print up by the air gap.
// To give it:
// Less press into the raft
// More time to cool
// more surface area to air while extruding
z += config.raftAirGap_um;
}
}
gcode.setZ(z);
// We only create the skirt if we are on layer 0 and the first volume and there is no raft.
if (layerIndex == 0 && volumeIndex == 0 && !Raft.ShouldGenerateRaft(config))
{
AddSkirtToGCode(storage, gcodeLayer, volumeIndex, layerIndex);
}
bool printSupportFirst = (storage.support.generated && config.supportExtruder >= 0 && config.supportExtruder == gcodeLayer.getExtruder());
if (printSupportFirst)
{
AddSupportToGCode(storage, gcodeLayer, layerIndex, config);
}
int fanSpeedPercent = GetFanSpeed(layerIndex, gcodeLayer);
for (int volumeCnt = 0; volumeCnt < storage.volumes.Count; volumeCnt++)
{
if (volumeCnt > 0)
{
volumeIndex = (volumeIndex + 1) % storage.volumes.Count;
}
AddVolumeLayerToGCode(storage, gcodeLayer, volumeIndex, layerIndex, extrusionWidth_um, fanSpeedPercent);
}
if (!printSupportFirst)
{
AddSupportToGCode(storage, gcodeLayer, layerIndex, config);
}
//Finish the layer by applying speed corrections for minimum layer times.
gcodeLayer.ForceMinimumLayerTime(config.minimumLayerTimeSeconds, config.minimumPrintingSpeed);
gcode.WriteFanCommand(fanSpeedPercent);
int currentLayerThickness_um = config.layerThickness_um;
if (layerIndex <= 0)
{
currentLayerThickness_um = config.firstLayerThickness_um;
}
gcodeLayer.WriteGCode(config.doCoolHeadLift, currentLayerThickness_um);
}
LogOutput.Log("Wrote layers in {0:0.00}s.\n".FormatWith(timeKeeper.Elapsed.Seconds));
timeKeeper.Restart();
gcode.TellFileSize();
gcode.WriteFanCommand(0);
//Store the object height for when we are printing multiple objects, as we need to clear every one of them when moving to the next position.
maxObjectHeight = Math.Max(maxObjectHeight, storage.modelSize.z);
}
public static void generateSkirt(SliceDataStorage storage, int distance, int extrusionWidth_um, int numberOfLoops, int minLength, int initialLayerHeight, ConfigSettings config)
{
bool externalOnly = (distance > 0);
for (int skirtLoop = 0; skirtLoop < numberOfLoops; skirtLoop++)
{
int offsetDistance = distance + extrusionWidth_um * skirtLoop + extrusionWidth_um / 2;
Polygons skirtPolygons = new Polygons(storage.wipeTower.Offset(offsetDistance));
for (int volumeIndex = 0; volumeIndex < storage.volumes.Count; volumeIndex++)
{
if (config.continuousSpiralOuterPerimeter && volumeIndex > 0)
{
continue;
}
if (storage.volumes[volumeIndex].layers.Count < 1)
{
continue;
}
SliceLayer layer = storage.volumes[volumeIndex].layers[0];
for (int partIndex = 0; partIndex < layer.parts.Count; partIndex++)
{
if (config.continuousSpiralOuterPerimeter && partIndex > 0)
{
continue;
}
if (externalOnly)
{
Polygons p = new Polygons();
p.Add(layer.parts[partIndex].TotalOutline[0]);
//p.Add(IntPointHelper.CreateConvexHull(layer.parts[partIndex].outline[0]));
skirtPolygons = skirtPolygons.CreateUnion(p.Offset(offsetDistance));
}
else
{
skirtPolygons = skirtPolygons.CreateUnion(layer.parts[partIndex].TotalOutline.Offset(offsetDistance));
}
}
}
SupportPolyGenerator supportGenerator = new SupportPolyGenerator(storage.support, initialLayerHeight);
skirtPolygons = skirtPolygons.CreateUnion(supportGenerator.supportPolygons.Offset(offsetDistance));
//Remove small inner skirt holes. Holes have a negative area, remove anything smaller then 100x extrusion "area"
for (int n = 0; n < skirtPolygons.Count; n++)
{
double area = skirtPolygons[n].Area();
if (area < 0 && area > -extrusionWidth_um * extrusionWidth_um * 100)
{
skirtPolygons.RemoveAt(n--);
}
}
storage.skirt.AddAll(skirtPolygons);
int lenght = (int)storage.skirt.PolygonLength();
if (skirtLoop + 1 >= numberOfLoops && lenght > 0 && lenght < minLength)
{
// add more loops for as long as we have not extruded enough length
numberOfLoops++;
}
}
}
private void processSliceData(SliceDataStorage storage)
{
if (config.continuousSpiralOuterPerimeter)
{
config.numberOfTopLayers = 0;
config.infillPercent = 0;
}
MultiVolumes.RemoveVolumesIntersections(storage.volumes);
MultiVolumes.OverlapMultipleVolumesSlightly(storage.volumes, config.multiVolumeOverlapPercent);
#if False
LayerPart.dumpLayerparts(storage, "output.html");
#endif
int totalLayers = storage.volumes[0].layers.Count;
#if DEBUG
for (int volumeIndex = 1; volumeIndex < storage.volumes.Count; volumeIndex++)
{
if (totalLayers != storage.volumes[volumeIndex].layers.Count)
{
throw new Exception("All the valumes must have the same number of layers (they just can have empty layers).");
}
}
#endif
for (int layerIndex = 0; layerIndex < totalLayers; layerIndex++)
{
for (int volumeIndex = 0; volumeIndex < storage.volumes.Count; volumeIndex++)
{
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 += 5;
}
SliceLayer layer = storage.volumes[volumeIndex].layers[layerIndex];
int extrusionWidth = config.extrusionWidth_um;
if (layerIndex == 0)
{
extrusionWidth = config.firstLayerExtrusionWidth_um;
}
Inset.generateInsets(layer, extrusionWidth, insetCount);
}
LogOutput.Log("Creating Insets {0}/{1}\n".FormatWith(layerIndex + 1, totalLayers));
}
if (config.wipeShieldDistanceFromShapes_um > 0)
{
CreateWipeShields(storage, totalLayers);
}
LogOutput.Log("Generated inset in {0:0.0}s\n".FormatWith(timeKeeper.Elapsed.Seconds));
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 choosen.
if (!config.continuousSpiralOuterPerimeter || (int)(layerIndex) < config.numberOfBottomLayers)
{
for (int volumeIndex = 0; volumeIndex < storage.volumes.Count; volumeIndex++)
{
int extrusionWidth = config.extrusionWidth_um;
if (layerIndex == 0)
{
extrusionWidth = config.firstLayerExtrusionWidth_um;
}
TopsAndBottoms.GenerateTopAndBottom(layerIndex, storage.volumes[volumeIndex], extrusionWidth, 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.Seconds));
timeKeeper.Restart();
if (config.wipeTowerSize_um > 0)
{
Polygon p = new Polygon();
storage.wipeTower.Add(p);
p.Add(new IntPoint(storage.modelMin.x - 3000, storage.modelMax.y + 3000));
p.Add(new IntPoint(storage.modelMin.x - 3000, storage.modelMax.y + 3000 + config.wipeTowerSize_um));
p.Add(new IntPoint(storage.modelMin.x - 3000 - config.wipeTowerSize_um, storage.modelMax.y + 3000 + config.wipeTowerSize_um));
p.Add(new IntPoint(storage.modelMin.x - 3000 - config.wipeTowerSize_um, storage.modelMax.y + 3000));
storage.wipePoint = new IntPoint(storage.modelMin.x - 3000 - config.wipeTowerSize_um / 2, storage.modelMax.y + 3000 + config.wipeTowerSize_um / 2);
}
if (config.enableRaft)
{
Raft.GenerateRaftOutlines(storage, config.raftExtraDistanceAroundPart_um, config);
Skirt.generateSkirt(storage,
config.skirtDistance_um + config.raftBaseLineSpacing_um,
config.raftBaseLineSpacing_um,
config.numberOfSkirtLoops,
config.skirtMinLength_um,
config.raftBaseThickness_um, config);
}
else
{
Skirt.generateSkirt(storage,
config.skirtDistance_um,
config.firstLayerExtrusionWidth_um,
config.numberOfSkirtLoops,
config.skirtMinLength_um,
config.firstLayerThickness_um, config);
}
}
public static void GenerateRaftOutlines(SliceDataStorage storage, int extraDistanceAroundPart_um, ConfigSettings config)
{
for (int volumeIndex = 0; volumeIndex < storage.volumes.Count; volumeIndex++)
{
if (config.continuousSpiralOuterPerimeter && volumeIndex > 0)
{
continue;
}
if (storage.volumes[volumeIndex].layers.Count < 1)
{
continue;
}
SliceLayer layer = storage.volumes[volumeIndex].layers[0];
// let's find the first layer that has something in it for the raft rather than a zero layer
if (layer.parts.Count == 0 && storage.volumes[volumeIndex].layers.Count > 2) layer = storage.volumes[volumeIndex].layers[1];
for (int partIndex = 0; partIndex < layer.parts.Count; partIndex++)
{
if (config.continuousSpiralOuterPerimeter && partIndex > 0)
{
continue;
}
storage.raftOutline = storage.raftOutline.CreateUnion(layer.parts[partIndex].TotalOutline.Offset(extraDistanceAroundPart_um));
}
}
SupportPolyGenerator supportGenerator = new SupportPolyGenerator(storage.support, 0);
storage.raftOutline = storage.raftOutline.CreateUnion(storage.wipeTower.Offset(extraDistanceAroundPart_um));
storage.raftOutline = storage.raftOutline.CreateUnion(supportGenerator.supportPolygons.Offset(extraDistanceAroundPart_um));
}
public static void GenerateRaftGCodeIfRequired(SliceDataStorage storage, ConfigSettings config, GCodeExport gcode)
{
if (ShouldGenerateRaft(config))
{
GCodePathConfig raftBaseConfig = new GCodePathConfig(config.firstLayerSpeed, config.raftBaseExtrusionWidth_um, "SUPPORT");
GCodePathConfig raftMiddleConfig = new GCodePathConfig(config.raftPrintSpeed, config.raftInterfaceExtrusionWidth_um, "SUPPORT");
GCodePathConfig raftSurfaceConfig = new GCodePathConfig((config.raftSurfacePrintSpeed > 0) ? config.raftSurfacePrintSpeed : config.raftPrintSpeed, config.raftSurfaceExtrusionWidth_um, "SUPPORT");
// create the raft base
{
gcode.WriteComment("LAYER:-3");
gcode.WriteComment("RAFT BASE");
GCodePlanner gcodeLayer = new GCodePlanner(gcode, config.travelSpeed, config.minimumTravelToCauseRetraction_um);
if (config.raftExtruder >= 0)
{
// if we have a specified raft extruder use it
gcodeLayer.SetExtruder(config.raftExtruder);
}
else if (config.supportExtruder >= 0)
{
// else preserve the old behavior of using the support extruder if set.
gcodeLayer.SetExtruder(config.supportExtruder);
}
gcode.setZ(config.raftBaseThickness_um);
gcode.SetExtrusion(config.raftBaseThickness_um, config.filamentDiameter_um, config.extrusionMultiplier);
Polygons raftLines = new Polygons();
Infill.GenerateLinePaths(storage.raftOutline, ref raftLines, config.raftBaseLineSpacing_um, config.infillExtendIntoPerimeter_um, 0);
// write the skirt around the raft
gcodeLayer.WritePolygonsByOptimizer(storage.skirt, raftBaseConfig);
// write the outline of the raft
gcodeLayer.WritePolygonsByOptimizer(storage.raftOutline, raftBaseConfig);
// write the inside of the raft base
gcodeLayer.WritePolygonsByOptimizer(raftLines, raftBaseConfig);
gcodeLayer.WriteGCode(false, config.raftBaseThickness_um);
}
if (config.raftFanSpeedPercent > 0)
{
gcode.WriteFanCommand(config.raftFanSpeedPercent);
}
// raft middle layers
{
gcode.WriteComment("LAYER:-2");
gcode.WriteComment("RAFT MIDDLE");
GCodePlanner gcodeLayer = new GCodePlanner(gcode, config.travelSpeed, config.minimumTravelToCauseRetraction_um);
gcode.setZ(config.raftBaseThickness_um + config.raftInterfaceThicknes_um);
gcode.SetExtrusion(config.raftInterfaceThicknes_um, config.filamentDiameter_um, config.extrusionMultiplier);
Polygons raftLines = new Polygons();
Infill.GenerateLinePaths(storage.raftOutline, ref raftLines, config.raftInterfaceLineSpacing_um, config.infillExtendIntoPerimeter_um, 45);
gcodeLayer.WritePolygonsByOptimizer(raftLines, raftMiddleConfig);
gcodeLayer.WriteGCode(false, config.raftInterfaceThicknes_um);
}
for (int raftSurfaceIndex = 1; raftSurfaceIndex <= config.raftSurfaceLayers; raftSurfaceIndex++)
{
gcode.WriteComment("LAYER:-1");
gcode.WriteComment("RAFT SURFACE");
GCodePlanner gcodeLayer = new GCodePlanner(gcode, config.travelSpeed, config.minimumTravelToCauseRetraction_um);
gcode.setZ(config.raftBaseThickness_um + config.raftInterfaceThicknes_um + config.raftSurfaceThickness_um * raftSurfaceIndex);
gcode.SetExtrusion(config.raftSurfaceThickness_um, config.filamentDiameter_um, config.extrusionMultiplier);
Polygons raftLines = new Polygons();
if (raftSurfaceIndex == config.raftSurfaceLayers)
{
// make sure the top layer of the raft is 90 degrees offset to the first layer of the part so that it has minimum contact points.
Infill.GenerateLinePaths(storage.raftOutline, ref raftLines, config.raftSurfaceLineSpacing_um, config.infillExtendIntoPerimeter_um, config.infillStartingAngle + 90);
}
else
{
Infill.GenerateLinePaths(storage.raftOutline, ref raftLines, config.raftSurfaceLineSpacing_um, config.infillExtendIntoPerimeter_um, 90 * raftSurfaceIndex);
}
gcodeLayer.WritePolygonsByOptimizer(raftLines, raftSurfaceConfig);
gcodeLayer.WriteGCode(false, config.raftInterfaceThicknes_um);
}
}
}
private void CalculateInfillData(SliceDataStorage storage, int volumeIndex, int layerIndex, SliceLayerPart part, ref Polygons fillPolygons, ref Polygons bridgePolygons)
{
// generate infill the bottom layers including bridging
foreach (Polygons outline in part.SolidBottomOutlines.CreateLayerOutlines(PolygonsHelper.LayerOpperation.EvenOdd))
{
if (layerIndex > 0)
{
double bridgeAngle;
if (Bridge.BridgeAngle(outline, storage.volumes[volumeIndex].layers[layerIndex - 1], out bridgeAngle))
{
Infill.GenerateLinePaths(outline, ref bridgePolygons, config.extrusionWidth_um, config.infillExtendIntoPerimeter_um, bridgeAngle);
}
else
{
Infill.GenerateLinePaths(outline, ref fillPolygons, config.extrusionWidth_um, config.infillExtendIntoPerimeter_um, config.infillStartingAngle);
}
}
else
{
Infill.GenerateLinePaths(outline, ref fillPolygons, config.firstLayerExtrusionWidth_um, config.infillExtendIntoPerimeter_um, config.infillStartingAngle);
}
}
// generate infill for the top layers
foreach (Polygons outline in part.SolidTopOutlines.CreateLayerOutlines(PolygonsHelper.LayerOpperation.EvenOdd))
{
Infill.GenerateLinePaths(outline, ref fillPolygons, config.extrusionWidth_um, config.infillExtendIntoPerimeter_um, config.infillStartingAngle);
}
// generate infill intermediate layers
foreach (Polygons outline in part.SolidInfillOutlines.CreateLayerOutlines(PolygonsHelper.LayerOpperation.EvenOdd))
{
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 casses better
{
double oldInfillPercent = config.infillPercent;
config.infillPercent = 100;
Infill.GenerateConcentricInfill(config, outline, ref fillPolygons);
config.infillPercent = oldInfillPercent;
}
}
double fillAngle = config.infillStartingAngle;
// generate the 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.InfillOutlines, ref fillPolygons, fillAngle);
break;
case ConfigConstants.INFILL_TYPE.GRID:
Infill.GenerateGridInfill(config, part.InfillOutlines, ref fillPolygons, fillAngle);
break;
case ConfigConstants.INFILL_TYPE.TRIANGLES:
Infill.GenerateTriangleInfill(config, part.InfillOutlines, ref fillPolygons, fillAngle);
break;
case ConfigConstants.INFILL_TYPE.HEXAGON:
Infill.GenerateHexagonInfill(config, part.InfillOutlines, ref fillPolygons, fillAngle, layerIndex);
break;
case ConfigConstants.INFILL_TYPE.CONCENTRIC:
Infill.GenerateConcentricInfill(config, part.InfillOutlines, ref fillPolygons);
break;
default:
throw new NotImplementedException();
}
}
}
private void CalculateInfillData(SliceDataStorage storage, int volumeIndex, int layerIndex, SliceLayerPart part, ref Polygons fillPolygons, ref Polygons bridgePolygons)
{
// generate infill the bottom layers including bridging
foreach (Polygons outline in part.SolidBottomOutlines.CreateLayerOutlines(PolygonsHelper.LayerOpperation.EvenOdd))
{
if (layerIndex > 0)
{
double bridgeAngle;
if (Bridge.BridgeAngle(outline, storage.volumes[volumeIndex].layers[layerIndex - 1], out bridgeAngle))
{
Infill.GenerateLinePaths(outline, ref bridgePolygons, config.extrusionWidth_um, config.infillExtendIntoPerimeter_um, bridgeAngle);
}
else
{
Infill.GenerateLinePaths(outline, ref fillPolygons, config.extrusionWidth_um, config.infillExtendIntoPerimeter_um, config.infillStartingAngle);
}
}
else
{
Infill.GenerateLinePaths(outline, ref fillPolygons, config.firstLayerExtrusionWidth_um, config.infillExtendIntoPerimeter_um, config.infillStartingAngle);
}
}
// generate infill for the top layers
foreach (Polygons outline in part.SolidTopOutlines.CreateLayerOutlines(PolygonsHelper.LayerOpperation.EvenOdd))
{
Infill.GenerateLinePaths(outline, ref fillPolygons, config.extrusionWidth_um, config.infillExtendIntoPerimeter_um, config.infillStartingAngle);
}
// generate infill intermediate layers
foreach (Polygons outline in part.SolidInfillOutlines.CreateLayerOutlines(PolygonsHelper.LayerOpperation.EvenOdd))
{
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 casses better
{
double oldInfillPercent = config.infillPercent;
config.infillPercent = 100;
Infill.GenerateConcentricInfill(config, outline, ref fillPolygons);
config.infillPercent = oldInfillPercent;
}
}
double fillAngle = config.infillStartingAngle;
// generate the 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.InfillOutlines, ref fillPolygons, fillAngle);
break;
case ConfigConstants.INFILL_TYPE.GRID:
Infill.GenerateGridInfill(config, part.InfillOutlines, ref fillPolygons, fillAngle);
break;
case ConfigConstants.INFILL_TYPE.TRIANGLES:
Infill.GenerateTriangleInfill(config, part.InfillOutlines, ref fillPolygons, fillAngle);
break;
case ConfigConstants.INFILL_TYPE.HEXAGON:
Infill.GenerateHexagonInfill(config, part.InfillOutlines, ref fillPolygons, fillAngle, layerIndex);
break;
case ConfigConstants.INFILL_TYPE.CONCENTRIC:
Infill.GenerateConcentricInfill(config, part.InfillOutlines, ref fillPolygons);
break;
default:
throw new NotImplementedException();
}
}
}
private void CreateWipeShields(SliceDataStorage storage, int totalLayers)
{
for (int layerNr = 0; layerNr < totalLayers; layerNr++)
{
Polygons wipeShield = new Polygons();
for (int volumeIdx = 0; volumeIdx < storage.volumes.Count; volumeIdx++)
{
for (int partNr = 0; partNr < storage.volumes[volumeIdx].layers[layerNr].parts.Count; partNr++)
{
wipeShield = wipeShield.CreateUnion(storage.volumes[volumeIdx].layers[layerNr].parts[partNr].TotalOutline.Offset(config.wipeShieldDistanceFromShapes_um));
}
}
storage.wipeShield.Add(wipeShield);
}
for (int layerIndex = 0; layerIndex < totalLayers; layerIndex++)
{
storage.wipeShield[layerIndex] = storage.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++)
{
storage.wipeShield[layerNr] = storage.wipeShield[layerNr].CreateUnion(storage.wipeShield[layerNr - 1].Offset(-offsetAngle));
}
for (int layerNr = totalLayers - 1; layerNr > 0; layerNr--)
{
storage.wipeShield[layerNr - 1] = storage.wipeShield[layerNr - 1].CreateUnion(storage.wipeShield[layerNr].Offset(-offsetAngle));
}
}
private void WriteSupportPolygons(SliceDataStorage storage, GCodePlanner gcodeLayer, int layerIndex, ConfigSettings config, Polygons supportPolygons, SupportType interfaceLayer)
{
for (int volumeIndex = 0; volumeIndex < storage.volumes.Count; volumeIndex++)
{
SliceLayer layer = storage.volumes[volumeIndex].layers[layerIndex];
for (int partIndex = 0; partIndex < layer.parts.Count; partIndex++)
{
supportPolygons = supportPolygons.CreateDifference(layer.parts[partIndex].TotalOutline.Offset(config.supportXYDistance_um));
}
}
//Contract and expand the support polygons so small sections are removed and the final polygon is smoothed a bit.
supportPolygons = supportPolygons.Offset(-config.extrusionWidth_um * 1);
supportPolygons = supportPolygons.Offset(config.extrusionWidth_um * 1);
List<Polygons> supportIslands = supportPolygons.CreateLayerOutlines(PolygonsHelper.LayerOpperation.EvenOdd);
PathOrderOptimizer islandOrderOptimizer = new PathOrderOptimizer(gcode.GetPositionXY());
for (int islandIndex = 0; islandIndex < supportIslands.Count; islandIndex++)
{
islandOrderOptimizer.AddPolygon(supportIslands[islandIndex][0]);
}
islandOrderOptimizer.Optimize();
for (int islandIndex = 0; islandIndex < supportIslands.Count; islandIndex++)
{
Polygons island = supportIslands[islandOrderOptimizer.bestPolygonOrderIndex[islandIndex]];
Polygons supportLines = new Polygons();
if (config.supportLineSpacing_um > 0)
{
switch (interfaceLayer)
{
case SupportType.Interface:
Infill.GenerateLineInfill(config, island, ref supportLines, config.supportInfillStartingAngle + 90, config.extrusionWidth_um);
break;
case SupportType.General:
switch (config.supportType)
{
case ConfigConstants.SUPPORT_TYPE.GRID:
Infill.GenerateGridInfill(config, island, ref supportLines, config.supportInfillStartingAngle, config.supportLineSpacing_um);
break;
case ConfigConstants.SUPPORT_TYPE.LINES:
Infill.GenerateLineInfill(config, island, ref supportLines, config.supportInfillStartingAngle, config.supportLineSpacing_um);
break;
}
break;
default:
throw new NotImplementedException();
}
}
if (config.avoidCrossingPerimeters)
{
gcodeLayer.SetOuterPerimetersToAvoidCrossing(island);
}
switch (interfaceLayer)
{
case SupportType.Interface:
gcodeLayer.WritePolygonsByOptimizer(supportLines, supportInterfaceConfig);
break;
case SupportType.General:
if (config.supportType == ConfigConstants.SUPPORT_TYPE.GRID)
{
gcodeLayer.WritePolygonsByOptimizer(island, supportNormalConfig);
}
gcodeLayer.WritePolygonsByOptimizer(supportLines, supportNormalConfig);
break;
default:
throw new NotImplementedException();
}
gcodeLayer.SetOuterPerimetersToAvoidCrossing(null);
}
}
private void sliceModels(SliceDataStorage storage)
{
timeKeeper.Restart();
#if false
optomizedModel.saveDebugSTL("debug_output.stl");
#endif
LogOutput.Log("Slicing model...\n");
List<Slicer> slicerList = new List<Slicer>();
for (int volumeIndex = 0; volumeIndex < optomizedModel.volumes.Count; volumeIndex++)
{
Slicer slicer = new Slicer(optomizedModel.volumes[volumeIndex], 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.Seconds));
timeKeeper.Restart();
LogOutput.Log("Generating support map...\n");
storage.support.GenerateSupportGrid(optomizedModel, config);
storage.modelSize = optomizedModel.size_um;
storage.modelMin = optomizedModel.minXYZ_um;
storage.modelMax = optomizedModel.maxXYZ_um;
LogOutput.Log("Generating layer parts...\n");
for (int volumeIndex = 0; volumeIndex < slicerList.Count; volumeIndex++)
{
storage.volumes.Add(new SliceVolumeStorage());
LayerPart.CreateLayerParts(storage.volumes[volumeIndex], slicerList[volumeIndex], config.repairOverlaps);
if (config.enableRaft)
{
//Add the raft offset to each layer.
for (int layerNr = 0; layerNr < storage.volumes[volumeIndex].layers.Count; layerNr++)
{
storage.volumes[volumeIndex].layers[layerNr].printZ += config.raftBaseThickness_um + config.raftInterfaceThicknes_um;
}
}
}
LogOutput.Log("Generated layer parts in {0:0.0}s\n".FormatWith(timeKeeper.Elapsed.Seconds));
timeKeeper.Restart();
}
public static void GenerateRaftGCodeIfRequired(SliceDataStorage storage, ConfigSettings config, GCodeExport gcode)
{
if (ShouldGenerateRaft(config))
{
GCodePathConfig raftBaseConfig = new GCodePathConfig(config.firstLayerSpeed, config.raftBaseExtrusionWidth_um, "SUPPORT");
GCodePathConfig raftMiddleConfig = new GCodePathConfig(config.raftPrintSpeed, config.raftInterfaceExtrusionWidth_um, "SUPPORT");
GCodePathConfig raftSurfaceConfig = new GCodePathConfig((config.raftSurfacePrintSpeed > 0) ? config.raftSurfacePrintSpeed : config.raftPrintSpeed, config.raftSurfaceExtrusionWidth_um, "SUPPORT");
// create the raft base
{
gcode.writeComment("LAYER:-3");
gcode.writeComment("RAFT BASE");
GCodePlanner gcodeLayer = new GCodePlanner(gcode, config.travelSpeed, config.minimumTravelToCauseRetraction_um);
if (config.raftExtruder > 0)
{
// if we have a specified raft extruder use it
gcodeLayer.setExtruder(config.raftExtruder);
}
else if (config.supportExtruder > 0)
{
// else preserve the old behavior of using the support extruder if set.
gcodeLayer.setExtruder(config.supportExtruder);
}
gcode.setZ(config.raftBaseThickness_um);
gcode.setExtrusion(config.raftBaseThickness_um, config.filamentDiameter_um, config.extrusionMultiplier);
gcodeLayer.writePolygonsByOptimizer(storage.raftOutline, raftBaseConfig);
Polygons raftLines = new Polygons();
Infill.GenerateLinePaths(storage.raftOutline, ref raftLines, config.raftBaseLineSpacing_um, config.infillExtendIntoPerimeter_um, 0);
gcodeLayer.writePolygonsByOptimizer(storage.skirt, raftBaseConfig);
gcodeLayer.writePolygonsByOptimizer(raftLines, raftBaseConfig);
gcodeLayer.writeGCode(false, config.raftBaseThickness_um);
}
if (config.raftFanSpeedPercent > 0)
{
gcode.writeFanCommand(config.raftFanSpeedPercent);
}
// raft middle layers
{
gcode.writeComment("LAYER:-2");
gcode.writeComment("RAFT MIDDLE");
GCodePlanner gcodeLayer = new GCodePlanner(gcode, config.travelSpeed, config.minimumTravelToCauseRetraction_um);
gcode.setZ(config.raftBaseThickness_um + config.raftInterfaceThicknes_um);
gcode.setExtrusion(config.raftInterfaceThicknes_um, config.filamentDiameter_um, config.extrusionMultiplier);
Polygons raftLines = new Polygons();
Infill.GenerateLinePaths(storage.raftOutline, ref raftLines, config.raftInterfaceLineSpacing_um, config.infillExtendIntoPerimeter_um, 45);
gcodeLayer.writePolygonsByOptimizer(raftLines, raftMiddleConfig);
gcodeLayer.writeGCode(false, config.raftInterfaceThicknes_um);
}
for (int raftSurfaceIndex = 1; raftSurfaceIndex <= config.raftSurfaceLayers; raftSurfaceIndex++)
{
gcode.writeComment("LAYER:-1");
gcode.writeComment("RAFT SURFACE");
GCodePlanner gcodeLayer = new GCodePlanner(gcode, config.travelSpeed, config.minimumTravelToCauseRetraction_um);
gcode.setZ(config.raftBaseThickness_um + config.raftInterfaceThicknes_um + config.raftSurfaceThickness_um * raftSurfaceIndex);
gcode.setExtrusion(config.raftSurfaceThickness_um, config.filamentDiameter_um, config.extrusionMultiplier);
Polygons raftLines = new Polygons();
if (raftSurfaceIndex == config.raftSurfaceLayers)
{
// make sure the top layer of the raft is 90 degrees offset to the first layer of the part so that it has minimum contact points.
Infill.GenerateLinePaths(storage.raftOutline, ref raftLines, config.raftSurfaceLineSpacing_um, config.infillExtendIntoPerimeter_um, config.infillStartingAngle + 90);
}
else
{
Infill.GenerateLinePaths(storage.raftOutline, ref raftLines, config.raftSurfaceLineSpacing_um, config.infillExtendIntoPerimeter_um, 90 * raftSurfaceIndex);
}
gcodeLayer.writePolygonsByOptimizer(raftLines, raftSurfaceConfig);
gcodeLayer.writeGCode(false, config.raftInterfaceThicknes_um);
}
}
}
private void WriteSupportPolygons(SliceDataStorage storage, GCodePlanner gcodeLayer, int layerIndex, ConfigSettings config, Polygons supportPolygons, SupportType interfaceLayer)
{
for (int volumeIndex = 0; volumeIndex < storage.volumes.Count; volumeIndex++)
{
SliceLayer layer = storage.volumes[volumeIndex].layers[layerIndex];
for (int partIndex = 0; partIndex < layer.parts.Count; partIndex++)
{
supportPolygons = supportPolygons.CreateDifference(layer.parts[partIndex].TotalOutline.Offset(config.supportXYDistance_um));
}
}
//Contract and expand the support polygons so small sections are removed and the final polygon is smoothed a bit.
supportPolygons = supportPolygons.Offset(-config.extrusionWidth_um * 1);
supportPolygons = supportPolygons.Offset(config.extrusionWidth_um * 1);
List<Polygons> supportIslands = supportPolygons.CreateLayerOutlines(PolygonsHelper.LayerOpperation.EvenOdd);
PathOrderOptimizer islandOrderOptimizer = new PathOrderOptimizer(gcode.GetPositionXY());
for (int islandIndex = 0; islandIndex < supportIslands.Count; islandIndex++)
{
islandOrderOptimizer.AddPolygon(supportIslands[islandIndex][0]);
}
islandOrderOptimizer.Optimize();
for (int islandIndex = 0; islandIndex < supportIslands.Count; islandIndex++)
{
Polygons island = supportIslands[islandOrderOptimizer.bestPolygonOrderIndex[islandIndex]];
Polygons supportLines = new Polygons();
if (config.supportLineSpacing_um > 0)
{
switch (interfaceLayer)
{
case SupportType.Interface:
Infill.GenerateLineInfill(config, island, ref supportLines, config.supportInfillStartingAngle + 90, config.extrusionWidth_um);
break;
case SupportType.General:
switch (config.supportType)
{
case ConfigConstants.SUPPORT_TYPE.GRID:
Infill.GenerateGridInfill(config, island, ref supportLines, config.supportInfillStartingAngle, config.supportLineSpacing_um);
break;
case ConfigConstants.SUPPORT_TYPE.LINES:
Infill.GenerateLineInfill(config, island, ref supportLines, config.supportInfillStartingAngle, config.supportLineSpacing_um);
break;
}
break;
default:
throw new NotImplementedException();
}
}
if (config.avoidCrossingPerimeters)
{
gcodeLayer.SetOuterPerimetersToAvoidCrossing(island);
}
switch (interfaceLayer)
{
case SupportType.Interface:
gcodeLayer.WritePolygonsByOptimizer(supportLines, supportInterfaceConfig);
break;
case SupportType.General:
if (config.supportType == ConfigConstants.SUPPORT_TYPE.GRID)
{
gcodeLayer.WritePolygonsByOptimizer(island, supportNormalConfig);
}
gcodeLayer.WritePolygonsByOptimizer(supportLines, supportNormalConfig);
break;
default:
throw new NotImplementedException();
}
gcodeLayer.SetOuterPerimetersToAvoidCrossing(null);
}
}
private void writeGCode(SliceDataStorage storage)
{
gcode.WriteComment("filamentDiameter = {0}".FormatWith(config.filamentDiameter));
gcode.WriteComment("extrusionWidth = {0}".FormatWith(config.extrusionWidth));
gcode.WriteComment("firstLayerExtrusionWidth = {0}".FormatWith(config.firstLayerExtrusionWidth));
gcode.WriteComment("layerThickness = {0}".FormatWith(config.layerThickness));
gcode.WriteComment("firstLayerThickness = {0}".FormatWith(config.firstLayerThickness));
if (fileNumber == 1)
{
if (gcode.GetOutputType() == ConfigConstants.OUTPUT_TYPE.ULTIGCODE)
{
gcode.WriteComment("TYPE:UltiGCode");
gcode.WriteComment("TIME:<__TIME__>");
gcode.WriteComment("MATERIAL:<FILAMENT>");
gcode.WriteComment("MATERIAL2:<FILAMEN2>");
}
gcode.WriteCode(config.startCode);
if (gcode.GetOutputType() == ConfigConstants.OUTPUT_TYPE.BFB)
{
gcode.WriteComment("enable auto-retraction");
gcode.WriteLine("M227 S{0} P{1}".FormatWith(config.retractionOnTravel * 2560, config.retractionOnTravel * 2560));
}
}
else
{
gcode.WriteFanCommand(0);
gcode.ResetExtrusionValue();
gcode.WriteRetraction();
gcode.setZ(maxObjectHeight + 5000);
gcode.WriteMove(gcode.GetPositionXY(), config.travelSpeed, 0);
gcode.WriteMove(new IntPoint(storage.modelMin.x, storage.modelMin.y), config.travelSpeed, 0);
}
fileNumber++;
int totalLayers = storage.volumes[0].layers.Count;
// let's remove any of the layers on top that are empty
{
for (int layerIndex = totalLayers - 1; layerIndex >= 0; layerIndex--)
{
bool layerHasData = false;
foreach (SliceVolumeStorage currentVolume in storage.volumes)
{
SliceLayer currentLayer = currentVolume.layers[layerIndex];
for (int partIndex = 0; partIndex < currentVolume.layers[layerIndex].parts.Count; partIndex++)
{
SliceLayerPart currentPart = currentLayer.parts[partIndex];
if (currentPart.TotalOutline.Count > 0)
{
layerHasData = true;
break;
}
}
}
if (layerHasData)
{
break;
}
totalLayers--;
}
}
gcode.WriteComment("Layer count: {0}".FormatWith(totalLayers));
// keep the raft generation code inside of raft
Raft.GenerateRaftGCodeIfRequired(storage, config, gcode);
int volumeIndex = 0;
for (int layerIndex = 0; layerIndex < totalLayers; layerIndex++)
{
if (MatterSlice.Canceled)
{
return;
}
LogOutput.Log("Writing Layers {0}/{1}\n".FormatWith(layerIndex + 1, totalLayers));
LogOutput.logProgress("export", layerIndex + 1, totalLayers);
int extrusionWidth_um = config.extrusionWidth_um;
if (layerIndex == 0)
{
extrusionWidth_um = config.firstLayerExtrusionWidth_um;
}
if (layerIndex == 0)
{
skirtConfig.setData(config.firstLayerSpeed, extrusionWidth_um, "SKIRT");
inset0Config.setData(config.firstLayerSpeed, extrusionWidth_um, "WALL-OUTER");
insetXConfig.setData(config.firstLayerSpeed, extrusionWidth_um, "WALL-INNER");
fillConfig.setData(config.firstLayerSpeed, extrusionWidth_um, "FILL", false);
bridgConfig.setData(config.firstLayerSpeed, extrusionWidth_um, "BRIDGE");
supportNormalConfig.setData(config.firstLayerSpeed, config.supportExtrusionWidth_um, "SUPPORT");
supportInterfaceConfig.setData(config.firstLayerSpeed, config.extrusionWidth_um, "SUPPORT-INTERFACE");
}
else
{
skirtConfig.setData(config.insidePerimetersSpeed, extrusionWidth_um, "SKIRT");
inset0Config.setData(config.outsidePerimeterSpeed, extrusionWidth_um, "WALL-OUTER");
insetXConfig.setData(config.insidePerimetersSpeed, extrusionWidth_um, "WALL-INNER");
fillConfig.setData(config.infillSpeed, extrusionWidth_um, "FILL", false);
bridgConfig.setData(config.bridgeSpeed, extrusionWidth_um, "BRIDGE");
supportNormalConfig.setData(config.supportMaterialSpeed, config.supportExtrusionWidth_um, "SUPPORT");
supportInterfaceConfig.setData(config.supportMaterialSpeed, config.extrusionWidth_um, "SUPPORT-INTERFACE");
}
gcode.WriteComment("LAYER:{0}".FormatWith(layerIndex));
if (layerIndex == 0)
{
gcode.SetExtrusion(config.firstLayerThickness_um, config.filamentDiameter_um, config.extrusionMultiplier);
}
else
{
gcode.SetExtrusion(config.layerThickness_um, config.filamentDiameter_um, config.extrusionMultiplier);
}
GCodePlanner gcodeLayer = new GCodePlanner(gcode, config.travelSpeed, config.minimumTravelToCauseRetraction_um);
// get the correct height for this layer
int z = config.firstLayerThickness_um + layerIndex * config.layerThickness_um;
if (config.enableRaft)
{
z += config.raftBaseThickness_um + config.raftInterfaceThicknes_um + config.raftSurfaceLayers * config.raftSurfaceThickness_um;
if (layerIndex == 0)
{
// We only raise the first layer of the print up by the air gap.
// To give it:
// Less press into the raft
// More time to cool
// more surface area to air while extruding
z += config.raftAirGap_um;
}
}
gcode.setZ(z);
// We only create the skirt if we are on layer 0 and the first volume and there is no raft.
if (layerIndex == 0 && volumeIndex == 0 && !Raft.ShouldGenerateRaft(config))
{
AddSkirtToGCode(storage, gcodeLayer, volumeIndex, layerIndex);
}
bool printSupportFirst = (storage.support.generated && config.supportExtruder >= 0 && config.supportExtruder == gcodeLayer.getExtruder());
if (printSupportFirst)
{
AddSupportToGCode(storage, gcodeLayer, layerIndex, config);
}
int fanSpeedPercent = GetFanSpeed(layerIndex, gcodeLayer);
for (int volumeCnt = 0; volumeCnt < storage.volumes.Count; volumeCnt++)
{
if (volumeCnt > 0)
{
volumeIndex = (volumeIndex + 1) % storage.volumes.Count;
}
AddVolumeLayerToGCode(storage, gcodeLayer, volumeIndex, layerIndex, extrusionWidth_um, fanSpeedPercent);
}
if (!printSupportFirst)
{
AddSupportToGCode(storage, gcodeLayer, layerIndex, config);
}
//Finish the layer by applying speed corrections for minimum layer times.
gcodeLayer.ForceMinimumLayerTime(config.minimumLayerTimeSeconds, config.minimumPrintingSpeed);
gcode.WriteFanCommand(fanSpeedPercent);
int currentLayerThickness_um = config.layerThickness_um;
if (layerIndex <= 0)
{
currentLayerThickness_um = config.firstLayerThickness_um;
}
gcodeLayer.WriteGCode(config.doCoolHeadLift, currentLayerThickness_um);
}
LogOutput.Log("Wrote layers in {0:0.00}s.\n".FormatWith(timeKeeper.Elapsed.Seconds));
timeKeeper.Restart();
gcode.TellFileSize();
gcode.WriteFanCommand(0);
//Store the object height for when we are printing multiple objects, as we need to clear every one of them when moving to the next position.
maxObjectHeight = Math.Max(maxObjectHeight, storage.modelSize.z);
}