int main(int argc, char **argv)
{
#if defined(__linux__) || (defined(__APPLE__) && defined(__MACH__))
//Lower the process priority on linux and mac.
setpriority(PRIO_PROCESS, 0, 10);
#endif
signal(SIGFPE, signal_FPE);
GCodeExport gcode;
ConfigSettings config;
int fileNr = 0;
config.filamentDiameter = 2890;
config.filamentFlow = 100;
config.initialLayerThickness = 300;
config.layerThickness = 100;
config.extrusionWidth = 400;
config.insetCount = 2;
config.downSkinCount = 6;
config.upSkinCount = 6;
config.initialSpeedupLayers = 4;
config.initialLayerSpeed = 20;
config.printSpeed = 50;
config.infillSpeed = 50;
config.moveSpeed = 200;
config.fanFullOnLayerNr = 2;
config.skirtDistance = 6000;
config.skirtLineCount = 1;
config.skirtMinLength = 0;
config.sparseInfillLineDistance = 100 * config.extrusionWidth / 20;
config.infillOverlap = 15;
config.objectPosition.X = 102500;
config.objectPosition.Y = 102500;
config.objectSink = 0;
config.supportAngle = -1;
config.supportEverywhere = 0;
config.supportLineDistance = config.sparseInfillLineDistance;
config.supportExtruder = -1;
config.supportXYDistance = 700;
config.supportZDistance = 150;
config.retractionAmount = 4500;
config.retractionSpeed = 45;
config.retractionAmountExtruderSwitch = 14500;
config.retractionMinimalDistance = 1500;
config.minimalExtrusionBeforeRetraction = 100;
config.enableCombing = 1;
config.multiVolumeOverlap = 0;
config.minimalLayerTime = 5;
config.minimalFeedrate = 10;
config.coolHeadLift = 1;
config.fanSpeedMin = 100;
config.fanSpeedMax = 100;
config.raftMargin = 5000;
config.raftLineSpacing = 1000;
config.raftBaseThickness = 0;
config.raftBaseLinewidth = 0;
config.raftInterfaceThickness = 0;
config.raftInterfaceLinewidth = 0;
config.spiralizeMode = 0;
config.fixHorrible = 0;
config.gcodeFlavor = GCODE_FLAVOR_REPRAP;
config.startCode =
"M109 S210 ;Heatup to 210C\n"
"G21 ;metric values\n"
"G90 ;absolute positioning\n"
"G28 ;Home\n"
"G1 Z15.0 F300 ;move the platform down 15mm\n"
"G92 E0 ;zero the extruded length\n"
"G1 F200 E5 ;extrude 5mm of feed stock\n"
"G92 E0 ;zero the extruded length again\n";
config.endCode =
"M104 S0 ;extruder heater off\n"
"M140 S0 ;heated bed heater off (if you have it)\n"
"G91 ;relative positioning\n"
"G1 E-1 F300 ;retract the filament a bit before lifting the nozzle, to release some of the pressure\n"
"G1 Z+0.5 E-5 X-20 Y-20 F9000 ;move Z up a bit and retract filament even more\n"
"G28 X0 Y0 ;move X/Y to min endstops, so the head is out of the way\n"
"M84 ;steppers off\n"
"G90 ;absolute positioning\n";
fprintf(stderr,"Cura_SteamEngine version %s\n", VERSION);
for(int argn = 1; argn < argc; argn++)
{
char* str = argv[argn];
if (str[0] == '-')
{
for(str++; *str; str++)
{
switch(*str)
{
case 'h':
print_usage();
exit(1);
case 'v':
verbose_level++;
break;
case 'b':
argn++;
binaryMeshBlob = fopen(argv[argn], "rb");
break;
case 'o':
argn++;
gcode.setFilename(argv[argn]);
if (!gcode.isValid())
{
logError("Failed to open %s for output.\n", argv[argn]);
exit(1);
}
break;
case 's':
{
argn++;
char* valuePtr = strchr(argv[argn], '=');
if (valuePtr)
{
*valuePtr++ = '\0';
if (!config.setSetting(argv[argn], valuePtr))
printf("Setting found: %s %s\n", argv[argn], valuePtr);
}
}
break;
case 'm':
argn++;
sscanf(argv[argn], "%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf",
&config.matrix.m[0][0], &config.matrix.m[0][1], &config.matrix.m[0][2],
&config.matrix.m[1][0], &config.matrix.m[1][1], &config.matrix.m[1][2],
&config.matrix.m[2][0], &config.matrix.m[2][1], &config.matrix.m[2][2]);
break;
default:
logError("Unknown option: %c\n", *str);
break;
}
}
} else {
if (!gcode.isValid())
{
logError("No output file specified\n");
return 1;
}
gcode.addComment("Generated with Cura_SteamEngine %s", VERSION);
processFile(argv[argn], config, gcode, fileNr == 0);
fileNr ++;
}
}
if (gcode.isValid())
{
gcode.addFanCommand(0);
gcode.setZ(maxObjectHeight + 5000);
gcode.addMove(gcode.getPositionXY(), config.moveSpeed, 0);
gcode.addCode(config.endCode);
log("Print time: %d\n", int(gcode.getTotalPrintTime()));
log("Filament: %d\n", int(gcode.getTotalFilamentUsed()));
if (gcode.getFlavor() == GCODE_FLAVOR_ULTIGCODE)
{
char numberString[16];
sprintf(numberString, "%d", int(gcode.getTotalPrintTime()));
gcode.replaceTagInStart("<__TIME__>", numberString);
sprintf(numberString, "%d", int(gcode.getTotalFilamentUsed()));
gcode.replaceTagInStart("<FILAMENT>", numberString);
}
}
}
void processFile(const char* input_filename, ConfigSettings& config, GCodeExport& gcode, bool firstFile)
{
for(unsigned int n=1; n<16; n++)
gcode.setExtruderOffset(n, config.extruderOffset[n].p());
gcode.setFlavor(config.gcodeFlavor);
double t = getTime();
log("Loading %s from disk...\n", input_filename);
SimpleModel* m = loadModel(input_filename, config.matrix);
if (!m)
{
log("Failed to load model: %s\n", input_filename);
return;
}
log("Loaded from disk in %5.3fs\n", timeElapsed(t));
log("Analyzing and optimizing model...\n");
OptimizedModel* om = new OptimizedModel(m, Point3(config.objectPosition.X, config.objectPosition.Y, -config.objectSink));
for(unsigned int v = 0; v < m->volumes.size(); v++)
{
log(" Face counts: %i -> %i %0.1f%%\n", (int)m->volumes[v].faces.size(), (int)om->volumes[v].faces.size(), float(om->volumes[v].faces.size()) / float(m->volumes[v].faces.size()) * 100);
log(" Vertex counts: %i -> %i %0.1f%%\n", (int)m->volumes[v].faces.size() * 3, (int)om->volumes[v].points.size(), float(om->volumes[v].points.size()) / float(m->volumes[v].faces.size() * 3) * 100);
}
delete m;
log("Optimize model %5.3fs \n", timeElapsed(t));
//om->saveDebugSTL("c:\\models\\output.stl");
log("Slicing model...\n");
vector<Slicer*> slicerList;
for(unsigned int volumeIdx=0; volumeIdx < om->volumes.size(); volumeIdx++)
{
slicerList.push_back(new Slicer(&om->volumes[volumeIdx], config.initialLayerThickness / 2, config.layerThickness, config.fixHorrible & FIX_HORRIBLE_KEEP_NONE_CLOSED, config.fixHorrible & FIX_HORRIBLE_EXTENSIVE_STITCHING));
//slicerList[volumeIdx]->dumpSegmentsToHTML("C:\\models\\output.html");
}
log("Sliced model in %5.3fs\n", timeElapsed(t));
SliceDataStorage storage;
fprintf(stdout,"Generating support map...\n");
generateSupportGrid(storage.support, om, config.supportAngle, config.supportEverywhere > 0, config.supportXYDistance, config.supportZDistance);
storage.modelSize = om->modelSize;
storage.modelMin = om->vMin;
storage.modelMax = om->vMax;
delete om;
log("Generating layer parts...\n");
for(unsigned int volumeIdx=0; volumeIdx < slicerList.size(); volumeIdx++)
{
storage.volumes.push_back(SliceVolumeStorage());
createLayerParts(storage.volumes[volumeIdx], slicerList[volumeIdx], config.fixHorrible & (FIX_HORRIBLE_UNION_ALL_TYPE_A | FIX_HORRIBLE_UNION_ALL_TYPE_B | FIX_HORRIBLE_UNION_ALL_TYPE_C));
delete slicerList[volumeIdx];
}
//carveMultipleVolumes(storage.volumes);
generateMultipleVolumesOverlap(storage.volumes, config.multiVolumeOverlap);
log("Generated layer parts in %5.3fs\n", timeElapsed(t));
//dumpLayerparts(storage, "c:/models/output.html");
const unsigned int totalLayers = storage.volumes[0].layers.size();
for(unsigned int layerNr=0; layerNr<totalLayers; layerNr++)
{
for(unsigned int volumeIdx=0; volumeIdx<storage.volumes.size(); volumeIdx++)
{
int insetCount = config.insetCount;
if (config.spiralizeMode && int(layerNr) < config.downSkinCount && layerNr % 2 == 1)//Add extra insets every 2 layers when spiralizing, this makes bottoms of cups watertight.
insetCount += 5;
generateInsets(&storage.volumes[volumeIdx].layers[layerNr], config.extrusionWidth, insetCount);
}
logProgress("inset",layerNr+1,totalLayers);
}
log("Generated inset in %5.3fs\n", timeElapsed(t));
for(unsigned int layerNr=0; layerNr<totalLayers; layerNr++)
{
if (!config.spiralizeMode || int(layerNr) < config.downSkinCount) //Only generate up/downskin and infill for the first X layers when spiralize is choosen.
{
for(unsigned int volumeIdx=0; volumeIdx<storage.volumes.size(); volumeIdx++)
{
generateSkins(layerNr, storage.volumes[volumeIdx], config.extrusionWidth, config.downSkinCount, config.upSkinCount, config.infillOverlap);
generateSparse(layerNr, storage.volumes[volumeIdx], config.extrusionWidth, config.downSkinCount, config.upSkinCount);
}
}
logProgress("skin",layerNr+1,totalLayers);
}
log("Generated up/down skin in %5.3fs\n", timeElapsed(t));
generateSkirt(storage, config.skirtDistance, config.extrusionWidth, config.skirtLineCount, config.skirtMinLength);
generateRaft(storage, config.raftMargin);
for(unsigned int volumeIdx=0; volumeIdx<storage.volumes.size(); volumeIdx++)
{
for(unsigned int layerNr=0; layerNr<totalLayers; layerNr++)
{
for(unsigned int partNr=0; partNr<storage.volumes[volumeIdx].layers[layerNr].parts.size(); partNr++)
{
if (layerNr > 0)
storage.volumes[volumeIdx].layers[layerNr].parts[partNr].bridgeAngle = bridgeAngle(&storage.volumes[volumeIdx].layers[layerNr].parts[partNr], &storage.volumes[volumeIdx].layers[layerNr-1]);
else
storage.volumes[volumeIdx].layers[layerNr].parts[partNr].bridgeAngle = -1;
}
}
}
gcode.setRetractionSettings(config.retractionAmount, config.retractionSpeed, config.retractionAmountExtruderSwitch, config.minimalExtrusionBeforeRetraction);
if (firstFile)
{
if (gcode.getFlavor() == GCODE_FLAVOR_ULTIGCODE)
{
gcode.addCode(";FLAVOR:UltiGCode");
gcode.addCode(";TIME:<__TIME__>");
gcode.addCode(";MATERIAL:<FILAMENT>");
}
gcode.addCode(config.startCode);
} else {
gcode.addFanCommand(0);
gcode.resetExtrusionValue();
gcode.addRetraction();
gcode.setZ(maxObjectHeight + 5000);
gcode.addMove(Point(storage.modelMin.x, storage.modelMin.y), config.moveSpeed, 0);
}
gcode.addComment("total_layers=%d",totalLayers);
GCodePathConfig skirtConfig(config.printSpeed, config.extrusionWidth, "SKIRT");
GCodePathConfig inset0Config(config.printSpeed, config.extrusionWidth, "WALL-OUTER");
GCodePathConfig inset1Config(config.printSpeed, config.extrusionWidth, "WALL-INNER");
GCodePathConfig fillConfig(config.infillSpeed, config.extrusionWidth, "FILL");
GCodePathConfig supportConfig(config.printSpeed, config.extrusionWidth, "SUPPORT");
if (config.raftBaseThickness > 0 && config.raftInterfaceThickness > 0)
{
GCodePathConfig raftBaseConfig(config.initialLayerSpeed, config.raftBaseLinewidth, "SUPPORT");
GCodePathConfig raftInterfaceConfig(config.initialLayerSpeed, config.raftInterfaceLinewidth, "SUPPORT");
{
gcode.addComment("LAYER:-2");
gcode.addComment("RAFT");
GCodePlanner gcodeLayer(gcode, config.moveSpeed, config.retractionMinimalDistance);
gcode.setZ(config.raftBaseThickness);
gcode.setExtrusion(config.raftBaseThickness, config.filamentDiameter, config.filamentFlow);
gcodeLayer.addPolygonsByOptimizer(storage.raftOutline, &raftBaseConfig);
Polygons raftLines;
generateLineInfill(storage.raftOutline, raftLines, config.raftBaseLinewidth, config.raftLineSpacing, config.infillOverlap, 0);
gcodeLayer.addPolygonsByOptimizer(raftLines, &raftBaseConfig);
gcodeLayer.writeGCode(false, config.raftBaseThickness);
}
{
gcode.addComment("LAYER:-1");
gcode.addComment("RAFT");
GCodePlanner gcodeLayer(gcode, config.moveSpeed, config.retractionMinimalDistance);
gcode.setZ(config.raftBaseThickness + config.raftInterfaceThickness);
gcode.setExtrusion(config.raftInterfaceThickness, config.filamentDiameter, config.filamentFlow);
Polygons raftLines;
generateLineInfill(storage.raftOutline, raftLines, config.raftInterfaceLinewidth, config.raftLineSpacing, config.infillOverlap, 90);
gcodeLayer.addPolygonsByOptimizer(raftLines, &raftInterfaceConfig);
gcodeLayer.writeGCode(false, config.raftInterfaceThickness);
}
}
int volumeIdx = 0;
for(unsigned int layerNr=0; layerNr<totalLayers; layerNr++)
{
logProgress("export", layerNr+1, totalLayers);
GCodePlanner gcodeLayer(gcode, config.moveSpeed, config.retractionMinimalDistance);
gcode.addComment("LAYER:%d", layerNr);
int32_t z = config.initialLayerThickness + layerNr * config.layerThickness;
z += config.raftBaseThickness + config.raftInterfaceThickness;
gcode.setZ(z);
if (layerNr == 0)
gcodeLayer.addPolygonsByOptimizer(storage.skirt, &skirtConfig);
for(unsigned int volumeCnt = 0; volumeCnt < storage.volumes.size(); volumeCnt++)
{
if (volumeCnt > 0)
volumeIdx = (volumeIdx + 1) % storage.volumes.size();
SliceLayer* layer = &storage.volumes[volumeIdx].layers[layerNr];
gcodeLayer.setExtruder(volumeIdx);
PathOrderOptimizer partOrderOptimizer(gcode.getPositionXY());
for(unsigned int partNr=0; partNr<layer->parts.size(); partNr++)
{
partOrderOptimizer.addPolygon(layer->parts[partNr].insets[0][0]);
}
partOrderOptimizer.optimize();
for(unsigned int partCounter=0; partCounter<partOrderOptimizer.polyOrder.size(); partCounter++)
{
SliceLayerPart* part = &layer->parts[partOrderOptimizer.polyOrder[partCounter]];
if (config.enableCombing)
gcodeLayer.setCombBoundary(&part->combBoundery);
else
gcodeLayer.setAlwaysRetract(true);
gcodeLayer.forceRetract();
if (config.insetCount > 0)
{
if (config.spiralizeMode)
{
if (int(layerNr) >= config.downSkinCount)
inset0Config.spiralize = true;
if (int(layerNr) == config.downSkinCount && part->insets.size() > 0)
gcodeLayer.addPolygonsByOptimizer(part->insets[0], &inset1Config);
}
for(int insetNr=part->insets.size()-1; insetNr>-1; insetNr--)
{
if (insetNr == 0)
gcodeLayer.addPolygonsByOptimizer(part->insets[insetNr], &inset0Config);
else
gcodeLayer.addPolygonsByOptimizer(part->insets[insetNr], &inset1Config);
}
}
Polygons fillPolygons;
int fillAngle = 45;
if (layerNr & 1) fillAngle += 90;
//int sparseSteps[1] = {config.extrusionWidth};
//generateConcentricInfill(part->skinOutline, fillPolygons, sparseSteps, 1);
generateLineInfill(part->skinOutline, fillPolygons, config.extrusionWidth, config.extrusionWidth, config.infillOverlap, (part->bridgeAngle > -1) ? part->bridgeAngle : fillAngle);
//int sparseSteps[2] = {config.extrusionWidth*5, config.extrusionWidth * 0.8};
//generateConcentricInfill(part->sparseOutline, fillPolygons, sparseSteps, 2);
if (config.sparseInfillLineDistance > 0)
{
if (config.sparseInfillLineDistance > config.extrusionWidth * 4)
{
generateLineInfill(part->sparseOutline, fillPolygons, config.extrusionWidth, config.sparseInfillLineDistance * 2, config.infillOverlap, 45);
generateLineInfill(part->sparseOutline, fillPolygons, config.extrusionWidth, config.sparseInfillLineDistance * 2, config.infillOverlap, 45 + 90);
}
else
{
generateLineInfill(part->sparseOutline, fillPolygons, config.extrusionWidth, config.sparseInfillLineDistance, config.infillOverlap, fillAngle);
}
}
gcodeLayer.addPolygonsByOptimizer(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.spiralizeMode || int(layerNr) < config.downSkinCount)
gcodeLayer.moveInsideCombBoundary(config.extrusionWidth * 2);
}
gcodeLayer.setCombBoundary(NULL);
}
if (storage.support.generated)
{
if (config.supportExtruder > -1)
gcodeLayer.setExtruder(config.supportExtruder);
SupportPolyGenerator supportGenerator(storage.support, z);
for(unsigned int volumeCnt = 0; volumeCnt < storage.volumes.size(); volumeCnt++)
{
SliceLayer* layer = &storage.volumes[volumeIdx].layers[layerNr];
Polygons polys;
for(unsigned int n=0; n<layer->parts.size(); n++)
supportGenerator.polygons = supportGenerator.polygons.difference(layer->parts[n].outline.offset(config.supportXYDistance));
}
//Contract and expand the suppory polygons so small sections are removed and the final polygon is smoothed a bit.
supportGenerator.polygons = supportGenerator.polygons.offset(-1000);
supportGenerator.polygons = supportGenerator.polygons.offset(1000);
Polygons supportLines;
if (config.supportLineDistance > 0)
{
if (config.supportLineDistance > config.extrusionWidth * 4)
{
generateLineInfill(supportGenerator.polygons, supportLines, config.extrusionWidth, config.supportLineDistance*2, config.infillOverlap, 0);
generateLineInfill(supportGenerator.polygons, supportLines, config.extrusionWidth, config.supportLineDistance*2, config.infillOverlap, 90);
} else {
generateLineInfill(supportGenerator.polygons, supportLines, config.extrusionWidth, config.supportLineDistance, config.infillOverlap, (layerNr & 1) ? 0 : 90);
}
}
gcodeLayer.addPolygonsByOptimizer(supportGenerator.polygons, &supportConfig);
gcodeLayer.addPolygonsByOptimizer(supportLines, &supportConfig);
}
//Finish the layer by applying speed corrections for minimal layer times and slowdown for the initial layer.
if (int(layerNr) < config.initialSpeedupLayers)
{
int n = config.initialSpeedupLayers;
int layer0Factor = config.initialLayerSpeed * 100 / config.printSpeed;
gcodeLayer.setExtrudeSpeedFactor((layer0Factor * (n - layerNr) + 100 * (layerNr)) / n);
if (layerNr == 0)//On the first layer, also slow down the travel
gcodeLayer.setTravelSpeedFactor(layer0Factor);
}
gcodeLayer.forceMinimalLayerTime(config.minimalLayerTime, config.minimalFeedrate);
if (layerNr == 0)
gcode.setExtrusion(config.initialLayerThickness, config.filamentDiameter, config.filamentFlow);
else
gcode.setExtrusion(config.layerThickness, config.filamentDiameter, config.filamentFlow);
int fanSpeed = config.fanSpeedMin;
if (gcodeLayer.getExtrudeSpeedFactor() <= 50)
{
fanSpeed = config.fanSpeedMax;
} else {
int n = gcodeLayer.getExtrudeSpeedFactor() - 50;
fanSpeed = config.fanSpeedMin * n / 50 + config.fanSpeedMax * (50 - n) / 50;
}
if (int(layerNr) < config.fanFullOnLayerNr)
{
//Slow down the fan on the layers below the [fanFullOnLayerNr], where layer 0 is speed 0.
fanSpeed = fanSpeed * layerNr / config.fanFullOnLayerNr;
}
gcode.addFanCommand(fanSpeed);
gcodeLayer.writeGCode(config.coolHeadLift > 0, int(layerNr) > 0 ? config.layerThickness : config.initialLayerThickness);
}
/* support debug
for(int32_t y=0; y<storage.support.gridHeight; y++)
{
for(int32_t x=0; x<storage.support.gridWidth; x++)
{
unsigned int n = x+y*storage.support.gridWidth;
if (storage.support.grid[n].size() < 1) continue;
int32_t z = storage.support.grid[n][0].z;
gcode.addMove(Point3(x * storage.support.gridScale + storage.support.gridOffset.X, y * storage.support.gridScale + storage.support.gridOffset.Y, 0), 0);
gcode.addMove(Point3(x * storage.support.gridScale + storage.support.gridOffset.X, y * storage.support.gridScale + storage.support.gridOffset.Y, z), z);
gcode.addMove(Point3(x * storage.support.gridScale + storage.support.gridOffset.X, y * storage.support.gridScale + storage.support.gridOffset.Y, 0), 0);
}
}
//*/
log("Wrote layers in %5.2fs.\n", timeElapsed(t));
gcode.tellFileSize();
gcode.addFanCommand(0);
logProgress("process", 1, 1);
log("Total time elapsed %5.2fs.\n", timeElapsed(t,true));
//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 = std::max(maxObjectHeight, storage.modelSize.z);
}