def brepfeat_prism(event=None):
box = BRepPrimAPI_MakeBox(400, 250, 300).Shape()
faces = Topo(box).faces()
for i in range(3):
face = next(faces)
srf = BRep_Tool_Surface(face)
c = gp_Circ2d(gp_Ax2d(gp_Pnt2d(200, 130), gp_Dir2d(1, 0)), 75)
circle = Geom2d_Circle(c).GetHandle()
wire = BRepBuilderAPI_MakeWire()
wire.Add(BRepBuilderAPI_MakeEdge(circle, srf, 0., pi).Edge())
wire.Add(BRepBuilderAPI_MakeEdge(circle, srf, pi, 2. * pi).Edge())
wire.Build()
display.DisplayShape(wire.Wire())
mkf = BRepBuilderAPI_MakeFace()
mkf.Init(srf, False, 1e-6)
mkf.Add(wire.Wire())
mkf.Build()
new_face = mkf.Face()
breplib_BuildCurves3d(new_face)
display.DisplayColoredShape(box, 'GREEN')
display.DisplayShape(new_face)
"""
prism = BRepFeat_MakeDPrism(box, mkf.Face(), face, 100, True, True)
prism.Perform(400)
assert prism.IsDone()
display.EraseAll()
display.DisplayShape(prism.Shape())
"""
#display.DisplayColoredShape(wire.Wire(), 'RED')
display.FitAll()
def points_from_curve():
radius = 5.
abscissa = 3.
circle = Geom2d_Circle(gp_OX2d(), radius, True)
gac = Geom2dAdaptor_Curve(circle.GetHandle())
ua = GCPnts_UniformAbscissa(gac, abscissa)
a_sequence = []
if ua.IsDone():
n = ua.NbPoints()
for count in range(1, n + 1):
p = gp_Pnt2d()
circle.D0(ua.Parameter(count), p)
a_sequence.append(p)
# convert analytic to bspline
display.DisplayShape(circle, update=True)
i = 0
for p in a_sequence:
i += 1
pstring = 'P%i : parameter %f' % (i, ua.Parameter(i))
pnt = gp_Pnt(p.X(), p.Y(), 0)
# display points
display.DisplayShape(pnt, update=True)
display.DisplayMessage(pnt, pstring)