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Testing for overlapping TopoDS_Face

dave bramall's picture

I have two TopoDS_Faces and need to check if they overlap.

I have tried performing a 'common' operation and checking the mass (SurfaceProperties) of the resulting shape, but this always returns zero. (I'm not sure if there would be a precsion issue here?)

Does anyone know another way of finding out if two faces overlap?


David Bramall

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