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Merge pull request #47 from bernhard-42/face_center

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re-created the center function for the three different ccenter types
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gumyr 2022-11-04 10:38:21 -04:00 • committed by GitHub
commit 16db9e6375
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1 changed files with 24 additions and 0 deletions
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src/build123d/direct_api.py
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@ -4640,6 +4640,30 @@ class Face(Shape):
BRepGProp_Face(self.wrapped).Normal(u, v, p, vn)
return Vector(p)
def get_center(self, center_of=CenterOf.GEOMETRY):
if center_of == CenterOf.MASS:
properties = GProp_GProps()
BRepGProp.SurfaceProperties_s(self.wrapped, properties)
p = properties.CentreOfMass()
elif center_of == CenterOf.BOUNDING_BOX:
p = self.bounding_box().center
elif center_of == CenterOf.GEOMETRY:
u0, u1, v0, v1 = self._uv_bounds()
u = 0.5 * (u0 + u1)
v = 0.5 * (v0 + v1)
p = gp_Pnt()
vn = gp_Vec()
BRepGProp_Face(self.wrapped).Normal(u, v, p, vn)
else:
raise ValueError(f"Unknown CenterOf value {center_of}")
return Vector(p)
def outer_wire(self) -> Wire:
"""Extract the perimeter wire from this Face"""
return Wire(BRepTools.OuterWire_s(self.wrapped))