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Split the shape to the subshape

Ear MongHeng's picture

Hi Friends,

I am a newer open cascade and have a big problem with my study. I want to ask you something about how to split the shape to the subshape like picture in the attachment file. I try to use TopExp::MapShapesAndAncestors(...), but it does not work. What should i do? Can anyone help or give me any suggestion?

I am looking forward hearing from you soon.