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package org.reprap.geometry;
import javax.media.j3d.*;
import javax.vecmath.*;
import org.reprap.Preferences;
import org.reprap.Printer;
import org.reprap.geometry.polygons.*;
import org.reprap.gui.PreviewPanel;
import org.reprap.gui.RepRapBuild;
import org.reprap.machines.MachineFactory;
import org.reprap.machines.NullCartesianMachine;
public class Producer {
/**
*
*/
protected Printer reprap;
/**
*
*/
protected RrHalfPlane oddHatchDirection;
/**
*
*/
protected RrHalfPlane evenHatchDirection;
/**
*
*/
protected RepRapBuild bld;
/**
* @param preview
* @param builder
* @throws Exception
*/
public Producer(PreviewPanel preview, RepRapBuild builder) throws Exception {
reprap = MachineFactory.create();
reprap.setPreviewer(preview);
preview.setMachine(reprap);
bld = builder;
oddHatchDirection = new RrHalfPlane(new Rr2Point(0.0, 0.0), new Rr2Point(1.0, 1.0));
evenHatchDirection = new RrHalfPlane(new Rr2Point(0.0, 1.0), new Rr2Point(1.0, 0.0));
}
// /**
// * @return simple polygon object that represents a 2D square
// */
// public RrPolygon square()
// {
// RrPolygon a = new RrPolygon();
// Rr2Point p1 = new Rr2Point(10, 10);
// Rr2Point p2 = new Rr2Point(20, 10);
// Rr2Point p3 = new Rr2Point(20, 20);
// Rr2Point p4 = new Rr2Point(10, 20);
// a.add(p1, 1);
// a.add(p2, 1);
// a.add(p3, 1);
// a.add(p4, 1);
// return a;
// }
// /**
// * @return hexagonal object
// */
// public RrCSGPolygon hex()
// {
// double hexSize = 20;
// double hexX = 15, hexY = 15;
//
// RrCSG r = RrCSG.universe();
// Rr2Point pold = new Rr2Point(hexX + hexSize/2, hexY);
// Rr2Point p;
// double theta = 0;
// for(int i = 0; i < 6; i++)
// {
// theta += Math.PI * 60. / 180.0;
// p = new Rr2Point(hexX + Math.cos(theta)*hexSize/2, hexY + Math.sin(theta)*hexSize/2);
// r = RrCSG.intersection(r, new RrCSG(new RrHalfPlane(p, pold)));
// pold = p;
// }
//
// // Horrid hacks in multipliers next...
// return new RrCSGPolygon(r, new RrBox(new Rr2Point(hexX - hexSize*0.57, hexY - hexSize*0.61),
// new Rr2Point(hexX + hexSize*0.537, hexY + hexSize*0.623)));
// }
// /**
// * @return Adrian's testshape; a 3D object
// */
// public RrCSGPolygon adriansTestShape()
// {
// Rr2Point p = new Rr2Point(3, 5);
// Rr2Point q = new Rr2Point(7, 27);
// Rr2Point r = new Rr2Point(32, 30);
// Rr2Point s = new Rr2Point(31, 1);
//
// Rr2Point pp = new Rr2Point(12, 21);
// Rr2Point qq = new Rr2Point(18, 32);
// Rr2Point rr = new Rr2Point(15, 17);
//
// RrHalfPlane ph = new RrHalfPlane(p, q);
// RrHalfPlane qh = new RrHalfPlane(q, r);
// RrHalfPlane rh = new RrHalfPlane(r, s);
// RrHalfPlane sh = new RrHalfPlane(s, p);
//
// RrHalfPlane pph = new RrHalfPlane(pp, qq);
// RrHalfPlane qqh = new RrHalfPlane(qq, rr);
// RrHalfPlane rrh = new RrHalfPlane(rr, pp);
//
// RrCSG pc = new RrCSG(ph);
// RrCSG qc = new RrCSG(qh);
// RrCSG rc = new RrCSG(rh);
// RrCSG sc = new RrCSG(sh);
//
// pc = RrCSG.intersection(pc, qc);
// rc = RrCSG.intersection(sc, rc);
// pc = RrCSG.intersection(pc, rc);
//
// RrCSG ppc = new RrCSG(pph);
// RrCSG qqc = new RrCSG(qqh);
// RrCSG rrc = new RrCSG(rrh);
//
// ppc = RrCSG.intersection(ppc, qqc);
// ppc = RrCSG.intersection(ppc, rrc);
// ppc = RrCSG.difference(pc, ppc);
//
// pc = ppc.offset(-5);
// ppc = RrCSG.difference(ppc, pc);
//
// RrCSGPolygon result = new RrCSGPolygon(ppc, new
// RrBox(new Rr2Point(0,0), new Rr2Point(110,110)));
//// result.divide(1.0e-6, 1);
//// new RrGraphics(result, true);
// return result;
// }
/**
* @throws Exception
*/
// public void produce(boolean testPiece) throws Exception {
public void produce() throws Exception {
// Fallback defaults
//int extrusionSpeed = 200;
//int extrusionTemp = 40;
//int movementSpeedXY = 230;
//int fastSpeedXY = 230;
//int movementSpeedZ = 230;
//int coolingPeriod = Preferences.loadGlobalInt("CoolingPeriod");
boolean subtractive = Preferences.loadGlobalBool("Subtractive");
// try {
// extrusionSpeed = Preferences.loadGlobalInt("ExtrusionSpeed");
// extrusionTemp = Preferences.loadGlobalInt("ExtrusionTemp");
// movementSpeedXY = Preferences.loadGlobalInt("MovementSpeed");
// fastSpeedXY = Preferences.loadGlobalInt("FastSpeed");
// movementSpeedZ = Preferences.loadGlobalInt("MovementSpeedZ");
// } catch (Exception ex) {
// System.out.println("Warning: could not load ExtrusionSpeed/MovementSpeed, using defaults");
// }
// reprap.setSpeed(movementSpeedXY);
// reprap.setFastSpeed(fastSpeedXY);
// reprap.setSpeedZ(movementSpeedZ);
System.out.println("Intialising reprap");
reprap.initialise();
System.out.println("Selecting material 0");
reprap.selectMaterial(0);
//reprap.setExtruderSpeed(extrusionSpeed);
System.out.println("Setting temperature");
reprap.getExtruder().heatOn();
// A "warmup" segment to get things in working order
if (!subtractive) {
System.out.println("Printing warmup segments, moving to (0,5)");
reprap.setSpeed(reprap.getFastSpeed());
reprap.moveTo(0, 5, reprap.getExtruder().getExtrusionHeight(), true, false);
reprap.setSpeed(reprap.getExtruder().getXYSpeed());
System.out.println("Printing warmup segments, printing to (0,20)");
reprap.printTo(0, 20, reprap.getExtruder().getExtrusionHeight(), false);
System.out.println("Printing warmup segments, printing to (2,20)");
reprap.printTo(2, 20, reprap.getExtruder().getExtrusionHeight(), false);
System.out.println("Printing warmup segments, printing to (2,5)");
reprap.printTo(2, 5, reprap.getExtruder().getExtrusionHeight(), true);
reprap.setSpeed(reprap.getFastSpeed());
}
// This should now split off layers one at a time
// and pass them to the LayerProducer.
boolean isEvenLayer = true;
STLSlice stlc;
double zMax;
// if(testPiece)
// {
// stlc = null;
// zMax = 5;
// } else
// {
bld.mouseToWorld();
stlc = new STLSlice(bld.getSTLs());
zMax = stlc.maxZ();
// zMax = 1.6; // For testing.
// }
double startZ;
double endZ;
double stepZ;
if (subtractive) {
// Subtractive construction works from the top, downwards
startZ = zMax;
endZ = 0;
stepZ = -reprap.getExtruder().getExtrusionHeight();
reprap.setZManual(startZ);
} else {
// Normal constructive fabrication, start at the bottom and work up.
// Note that we start extruding one layer off the baseboard...
startZ = reprap.getExtruder().getExtrusionHeight();
endZ = zMax;
stepZ = reprap.getExtruder().getExtrusionHeight();
}
for(double z = startZ; subtractive ? z > endZ : z < endZ; z += stepZ) {
if (reprap.isCancelled())
break;
System.out.println("Commencing layer at " + z);
// Change Z height
reprap.moveTo(reprap.getX(), reprap.getY(), z, false, false);
// Layer cooling phase - after we've just raised the head.
//Only if we're not a null device.
if ((z != startZ && reprap.getExtruder().getCoolingPeriod() > 0)&&!(reprap instanceof NullCartesianMachine)) {
System.out.println("Starting a cooling period");
// Save where we are. We'll come back after we've cooled off.
double storedX=reprap.getX();
double storedY=reprap.getY();
reprap.getExtruder().setCooler(true); // On with the fan.
//reprap.homeToZeroX(); // Seek (0,0)
//reprap.homeToZeroY();
reprap.setSpeed(reprap.getFastSpeed());
reprap.moveTo(0, 0, z, true, true);
Thread.sleep(1000 * reprap.getExtruder().getCoolingPeriod());
reprap.getExtruder().setCooler(false);
System.out.println("Brief delay for head to warm up.");
Thread.sleep(200 * reprap.getExtruder().getCoolingPeriod());
System.out.println("End of cooling period");
// TODO: BUG! Strangely, this only restores Y axis!
//System.out.println("stored X and Y: " + storedX + " " + storedY);
// The next layer will go where it wants to.
//reprap.moveTo(storedX, storedY, z, true, true);
//reprap.setSpeed(reprap.getExtruder().getXYSpeed());
//reprap.moveTo(storedX, reprap.getY(), z, true, true);
}
if (reprap.isCancelled())
break;
LayerProducer layer;
// if(testPiece)
// {
// layer = new LayerProducer(reprap, z, hex(), null,
// isEvenLayer?evenHatchDirection:oddHatchDirection);
// } else
// {
RrCSGPolygon slice = stlc.slice(z+reprap.getExtruder().getExtrusionHeight()*0.5,
LayerProducer.solidMaterial(), LayerProducer.gapMaterial(), bld.getObjectColour());
Shape3D lowerShell = stlc.getShape3D();
if(slice != null)
layer = new LayerProducer(reprap, z, slice, lowerShell,
isEvenLayer?evenHatchDirection:oddHatchDirection);
else
layer = null;
// }
if(layer != null)
layer.plot();
isEvenLayer = !isEvenLayer;
}
if (subtractive)
reprap.moveTo(0, 0, startZ, true, true);
else
reprap.moveTo(0, 0, reprap.getZ(), true, true);
reprap.terminate();
}
/**
* The total distance moved is the total distance extruded plus
* plus additional movements of the extruder when no materials
* was deposited
*
* @return total distance the extruder has moved
*/
public double getTotalDistanceMoved() {
return reprap.getTotalDistanceMoved();
}
/**
* @return total distance that has been extruded in millimeters
*/
public double getTotalDistanceExtruded() {
return reprap.getTotalDistanceExtruded();
}
/**
* TODO: This figure needs to get added up as we go along to allow for different extruders
* @return total volume that has been extruded
*/
public double getTotalVolumeExtruded() {
return reprap.getTotalDistanceExtruded() * reprap.getExtruder().getExtrusionHeight() *
reprap.getExtruder().getExtrusionSize();
}
/**
*
*/
public void dispose() {
reprap.dispose();
}
/**
* @return total elapsed time in seconds between start and end of building the 3D object
*/
public double getTotalElapsedTime() {
return reprap.getTotalElapsedTime();
}
}
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