[vtkusers] How to judge that in which triangle facet a point falls?

[www www]

Hi every,

i have a problem: here is a stl file, measured from a surface, and another
point( not in stl file) of the surface. How can i judge that  in which
triangle facet this point will fall?

thanks in  advance.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://public.kitware.com/pipermail/vtkusers/attachments/20071220/f8210fcb/attachment.htm