def helicalextrusion(wire, height, angle, double_helix = False):
direction = bool(angle < 0)
if double_helix:
first_spine = makeHelix(height * 2. * np.pi / abs(angle), 0.5 * height, 10., 0, direction)
first_solid = first_spine.makePipeShell([wire], True, True)
second_solid = first_solid.mirror(fcvec([0.,0.,0.]), fcvec([0,0,1]))
faces = first_solid.Faces + second_solid.Faces
faces = [f for f in faces if not on_mirror_plane(f, 0., fcvec([0., 0., 1.]))]
solid = makeSolid(makeShell(faces))
mat = App.Matrix()
mat.move(fcvec([0, 0, 0.5 * height]))
return solid.transformGeometry(mat)
else:
first_spine = makeHelix(height * 2 * np.pi / abs(angle), height, 10., 0, direction)
first_solid = first_spine.makePipeShell([wire], True, True)
return first_solid
def helicalextrusion(wire, height, angle, double_helix=False):
direction = bool(angle < 0)
if double_helix:
first_spine = makeHelix(height * 2. * np.pi /
abs(angle), 0.5 * height, 10., 0, direction)
first_solid = first_spine.makePipeShell([wire], True, True)
second_solid = first_solid.mirror(
fcvec([0., 0., 0.]), fcvec([0, 0, 1]))
faces = first_solid.Faces + second_solid.Faces
faces = [f for f in faces if not on_mirror_plane(
f, 0., fcvec([0., 0., 1.]))]
solid = makeSolid(makeShell(faces))
mat = App.Matrix()
mat.move(fcvec([0, 0, 0.5 * height]))
return solid.transformGeometry(mat)
else:
first_spine = makeHelix(height * 2 * np.pi /
abs(angle), height, 10., 0, direction)
first_solid = first_spine.makePipeShell([wire], True, True)
return first_solid