def _fillSlice(self, slice):
#how many shells do we need?
#attempt to create the number of shells requested by the user, plus one additional for infill
for f in slice.faces:
numShells = (int)(self.options.fillingWallThickness /
self.extruder.trackWidth()) + 1
numShells = max(2, numShells)
faceWires = OCCUtil.wireListFromFace(f.face)
#regardless, the last successfully created offset is used for hatch infill
shells = []
for i in range(1, numShells):
#compute offset inwards by one track width
offset = (-1) * i * self.extruder.trackWidth()
innerEdge = OCCUtil.offsetWireList(faceWires, offset)
if len(innerEdge) == 0:
#performance: dont offset if there were already no wires
continue
pathCenter = OCCUtil.offsetWireList(
innerEdge,
self.extruder.trackWidth() / 2)
if len(pathCenter) > 0:
shells.append(pathCenter)
if len(shells) > 1:
#use last one for filling.
print "%d shells were available for Hatching" % len(shells)
lastShell = shells.pop()
s = self.solid
h = hatchlib.Hatcher(lastShell, zLevel,
(s.xMin, s.yMin, s.xMax, s.yMax),
self.extruder.trackWidth(),
cSlice.fillAngle)
h.hatch()
ww = h.getWires()
print "Hatching complete: %d fillWires created" % len(ww)
f.fillWires = ww
else:
print "WARNING: not filling this layer, too few shells were computable"
#add shells
for s in shells:
for ss in s:
f.shellWires.append(ss)
def testBasicFaceOffset():
f = TestObjects.makeHeartFaceNoHole()
startWires = OCCUtil.wireListFromFace(f)
display.DisplayColoredShape(startWires, 'GREEN')
cw = startWires
for i in range(3):
w = OCCUtil.offsetWireList(cw, -0.2)
display.DisplayColoredShape(w, 'RED')
cw = w
def testBasicFaceOffset():
f = TestObjects.makeHeartFaceNoHole();
startWires = OCCUtil.wireListFromFace(f);
display.DisplayColoredShape(startWires,'GREEN');
cw = startWires;
for i in range(3):
w = OCCUtil.offsetWireList(cw,-0.2);
display.DisplayColoredShape(w,'RED');
cw = w;
def _fillSlice(self, slice):
# how many shells do we need?
# attempt to create the number of shells requested by the user, plus one additional for infill
for f in slice.faces:
numShells = (int)(self.options.fillingWallThickness / self.extruder.trackWidth()) + 1
numShells = max(2, numShells)
faceWires = OCCUtil.wireListFromFace(f.face)
# regardless, the last successfully created offset is used for hatch infill
shells = []
for i in range(1, numShells):
# compute offset inwards by one track width
offset = (-1) * i * self.extruder.trackWidth()
innerEdge = OCCUtil.offsetWireList(faceWires, offset)
if len(innerEdge) == 0:
# performance: dont offset if there were already no wires
continue
pathCenter = OCCUtil.offsetWireList(innerEdge, self.extruder.trackWidth() / 2)
if len(pathCenter) > 0:
shells.append(pathCenter)
if len(shells) > 1:
# use last one for filling.
print "%d shells were available for Hatching" % len(shells)
lastShell = shells.pop()
s = self.solid
h = hatchlib.Hatcher(
lastShell, zLevel, (s.xMin, s.yMin, s.xMax, s.yMax), self.extruder.trackWidth(), cSlice.fillAngle
)
h.hatch()
ww = h.getWires()
print "Hatching complete: %d fillWires created" % len(ww)
f.fillWires = ww
else:
print "WARNING: not filling this layer, too few shells were computable"
# add shells
for s in shells:
for ss in s:
f.shellWires.append(ss)
