[vtkusers] How to find the point on the mesh closest to a specified point

[Green Hedgehog]

Hi all,
There's a point outside or inside a closed surface, and I want to find a
point on the surface which is closest to the specified point. The solution
may not be a vertex, but just a point lying on the triangle. Currently I
have no idea. Has anyone got any suggestions? Thanks in advance.

Regards,
Yue



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