def testOffsetReferences():
#f = TestObjects.makeHeartFace();
#f must be a face with one outer and one inner wire
f = TestObjects.makeSquareWithRoundHole();
wires = OCCUtil.wireListFromFace(f);
outer = wires[0];
inner = wires[1];
display.DisplayColoredShape(outer,'GREEN');
display.DisplayColoredShape(inner,'WHITE');
#add wires to offset.
bo = BRepOffsetAPI.BRepOffsetAPI_MakeOffset();
bo.AddWire(outer);
bo.AddWire(inner);
bo.Perform(-0.2,0.0); #do an offset
shape = bo.Shape();
for w in Topo(shape).wires():
display.DisplayColoredShape(OCCUtil.cast(shape),'YELLOW');
for e in Topo(outer).edges():
print "Outer Edge %d has %d generated shapes" % ( e.__hash__(), len(OCCUtil.listFromTopToolsListOfShape(bo.Generated(e) )) );
for e in Topo(inner).edges():
print "Inner Edge %d has %d generated shapes" % ( e.__hash__(), len(OCCUtil.listFromTopToolsListOfShape(bo.Generated(e) )) );
display.FitAll();
def testOffsetReferences():
#f = TestObjects.makeHeartFace();
#f must be a face with one outer and one inner wire
f = TestObjects.makeSquareWithRoundHole()
wires = OCCUtil.wireListFromFace(f)
outer = wires[0]
inner = wires[1]
display.DisplayColoredShape(outer, 'GREEN')
display.DisplayColoredShape(inner, 'WHITE')
#add wires to offset.
bo = BRepOffsetAPI.BRepOffsetAPI_MakeOffset()
bo.AddWire(outer)
bo.AddWire(inner)
bo.Perform(-0.2, 0.0)
#do an offset
shape = bo.Shape()
for w in Topo(shape).wires():
display.DisplayColoredShape(OCCUtil.cast(shape), 'YELLOW')
for e in Topo(outer).edges():
print "Outer Edge %d has %d generated shapes" % (
e.__hash__(),
len(OCCUtil.listFromTopToolsListOfShape(bo.Generated(e))))
for e in Topo(inner).edges():
print "Inner Edge %d has %d generated shapes" % (
e.__hash__(),
len(OCCUtil.listFromTopToolsListOfShape(bo.Generated(e))))
display.FitAll()
def __init__(self, face):
self.face = face
self.originalWires = OCCUtil.wireListFromFace(face)
self.edgeMap = {}
self.otherWires = []
self.lastWires = self.originalWires
self.display = None
self.outputWires = []
def __init__(self,face):
self.face= face;
self.originalWires = OCCUtil.wireListFromFace(face);
self.edgeMap = {};
self.otherWires = [];
self.lastWires = self.originalWires;
self.display = None;
self.outputWires = [];
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)
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)
