/**
* Plot a polygon
*
* @throws IOException
* @throws ReprapException
* @return
*/
private void plot(RrPolygon p, boolean firstOneInLayer) throws ReprapException, IOException {
Attributes att = p.getAttributes();
Printer printer = layerConditions.getPrinter();
double outlineFeedrate = att.getExtruder().getOutlineFeedrate();
double infillFeedrate = att.getExtruder().getInfillFeedrate();
boolean acc =
att.getExtruder().getMaxAcceleration() > 0; // Preferences.loadGlobalBool("Accelerating");
// int leng = p.size();
if (p.size() <= 1) {
startNearHere = null;
return;
}
// If the length of the plot is <0.05mm, don't bother with it.
// This will not spot an attempt to plot 10,000 points in 1mm.
double plotDist = 0;
Rr2Point lastPoint = p.point(0);
for (int i = 1; i < p.size(); i++) {
Rr2Point n = p.point(i);
plotDist += Rr2Point.d(lastPoint, n);
lastPoint = n;
}
if (plotDist < Preferences.machineResolution() * 0.5) {
Debug.d("Rejected line with " + p.size() + " points, length: " + plotDist);
startNearHere = null;
return;
}
printer.selectExtruder(att);
// Don't do these with mid-point starting
// if(p.isClosed() && att.getExtruder().incrementedStart())
// p = p.incrementedStart(layerConditions);
// else if(p.isClosed() && att.getExtruder().randomStart())
// p = p.randomStart();
int stopExtruding = p.size() + 10;
int stopValve = stopExtruding;
double extrudeBackLength = att.getExtruder().getExtrusionOverRun();
double valveBackLength = att.getExtruder().getValveOverRun();
if (extrudeBackLength >= valveBackLength) {
if (extrudeBackLength > 0) stopExtruding = p.backStep(extrudeBackLength);
if (valveBackLength > 0) stopValve = p.backStep(valveBackLength);
} else {
if (valveBackLength > 0) stopValve = p.backStep(valveBackLength);
if (extrudeBackLength > 0) stopExtruding = p.backStep(extrudeBackLength);
}
if (printer.isCancelled()) return;
// If getMinLiftedZ() is negative, never lift the head
Boolean lift = att.getExtruder().getMinLiftedZ() >= 0;
if (acc)
p.setSpeeds(
att.getExtruder().getSlowXYFeedrate(),
p.isClosed() ? outlineFeedrate : infillFeedrate,
att.getExtruder().getMaxAcceleration());
if (extrudeBackLength <= 0) stopExtruding = Integer.MAX_VALUE;
else if (acc) stopExtruding = p.findBackPoint(extrudeBackLength);
if (valveBackLength <= 0) stopValve = Integer.MAX_VALUE;
else if (acc) stopValve = p.findBackPoint(valveBackLength);
currentFeedrate = att.getExtruder().getFastXYFeedrate();
singleMove(p.point(0));
if (acc) currentFeedrate = p.speed(0);
else {
if (p.isClosed()) {
currentFeedrate = outlineFeedrate;
} else {
currentFeedrate = infillFeedrate;
}
}
plot(p.point(0), p.point(1), false, false);
// Print any lead-in.
printer.printStartDelay(firstOneInLayer);
boolean extrudeOff = false;
boolean valveOff = false;
boolean oldexoff;
// if(p.isClosed())
// {
// for(int j = 1; j <= p.size(); j++)
// {
// int i = j%p.size();
// Rr2Point next = p.point((j+1)%p.size());
//
// if (printer.isCancelled())
// {
// printer.stopMotor();
// singleMove(posNow());
// move(posNow(), posNow(), lift, true, true);
// return;
// }
// if(acc)
// currentFeedrate = p.speed(i);
//
// oldexoff = extrudeOff;
// extrudeOff = j > stopExtruding || j == p.size();
// valveOff = j > stopValve || j == p.size();
//
// plot(p.point(i), next, extrudeOff, valveOff);
// if(oldexoff ^ extrudeOff)
// printer.printEndReverse();
// }
// } else
// {
for (int i = 1; i < p.size(); i++) {
Rr2Point next = p.point((i + 1) % p.size());
if (printer.isCancelled()) {
printer.stopMotor();
singleMove(posNow());
move(posNow(), posNow(), lift, lift, true);
return;
}
if (acc) currentFeedrate = p.speed(i);
oldexoff = extrudeOff;
extrudeOff = i > stopExtruding || i == p.size() - 1;
valveOff = i > stopValve || i == p.size() - 1;
// if(oldexoff ^ extrudeOff)
// printer.printEndReverse();
plot(p.point(i), next, extrudeOff, valveOff);
if (oldexoff ^ extrudeOff) printer.printEndReverse();
}
// }
if (p.isClosed()) move(p.point(0), p.point(0), false, false, true);
move(posNow(), posNow(), lift, lift, true);
// The last point is near where we want to start next
if (p.isClosed()) startNearHere = p.point(0);
else startNearHere = p.point(p.size() - 1);
if (simulationPlot != null) {
RrPolygonList pgl = new RrPolygonList();
pgl.add(p);
simulationPlot.add(pgl);
}
}
