public GCodePlanner(GCodeExport gcode, int travelSpeed, int retractionMinimumDistance)
{
this.gcode = gcode;
travelConfig = new GCodePathConfig(travelSpeed, 0, "travel");
lastPosition = gcode.getPositionXY();
outerPerimetersToAvoidCrossing = null;
extrudeSpeedFactor = 100;
travelSpeedFactor = 100;
extraTime = 0.0;
totalPrintTime = 0.0;
forceRetraction = false;
alwaysRetract = false;
currentExtruderIndex = gcode.getExtruderIndex();
this.retractionMinimumDistance = retractionMinimumDistance;
}
public void forceMinimumLayerTime(double minTime, int minimumPrintingSpeed)
{
IntPoint lastPosition = gcode.getPositionXY();
double travelTime = 0.0;
double extrudeTime = 0.0;
for (int n = 0; n < paths.Count; n++)
{
GCodePath path = paths[n];
for (int pointIndex = 0; pointIndex < path.points.Count; pointIndex++)
{
IntPoint currentPosition = path.points[pointIndex];
double thisTime = (lastPosition - currentPosition).LengthMm() / (double)(path.config.speed);
if (path.config.lineWidth != 0)
{
extrudeTime += thisTime;
}
else
{
travelTime += thisTime;
}
lastPosition = currentPosition;
}
}
double totalTime = extrudeTime + travelTime;
if (totalTime < minTime && extrudeTime > 0.0)
{
double minExtrudeTime = minTime - travelTime;
if (minExtrudeTime < 1)
{
minExtrudeTime = 1;
}
double factor = extrudeTime / minExtrudeTime;
for (int n = 0; n < paths.Count; n++)
{
GCodePath path = paths[n];
if (path.config.lineWidth == 0)
{
continue;
}
int speed = (int)(path.config.speed * factor);
if (speed < minimumPrintingSpeed)
{
factor = (double)(minimumPrintingSpeed) / (double)(path.config.speed);
}
}
//Only slow down with the minimum time if that will be slower then a factor already set. First layer slowdown also sets the speed factor.
if (factor * 100 < getExtrudeSpeedFactor())
{
setExtrudeSpeedFactor((int)(factor * 100));
}
else
{
factor = getExtrudeSpeedFactor() / 100.0;
}
if (minTime - (extrudeTime / factor) - travelTime > 0.1)
{
//TODO: Use up this extra time (circle around the print?)
this.extraTime = minTime - (extrudeTime / factor) - travelTime;
}
this.totalPrintTime = (extrudeTime / factor) + travelTime;
}
else
{
this.totalPrintTime = totalTime;
}
}
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 (fileNr == 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);
}
fileNr++;
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.outline.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 volumeIdx = 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);
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)
{
volumeIdx = (volumeIdx + 1) % storage.volumes.Count;
}
AddVolumeLayerToGCode(storage, gcodeLayer, volumeIdx, 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);
}