Difference between BRepClass_FaceClassifier and IntTools_Context for 3D point

zshao's picture

Hello,

I have a TopoDS_Face and a gp_Pnt and I want to know the location of this point with respect to the face, and for a point which is sure to be in the face, the class BRepClass_FaceClassifier can give TopAbs_OUT while the fonction IntTools_Context::IsPointInFace can give true, is it possible and why? And what function should be right for me?

I am usung Opencascade 7.2.0.

Wainting for your responce.

Best regards
Zilong SHAO

www.opencascade.com

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