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Check if a point is inside a polygon mesh [message #45246]

Thu, 18 August 2005 03:53

photosalex
Messages: 6
Registered: April 2005

Junior Member

Hello, All!

Does anybody know a way to figure out if a 3D point lies inside a
closed 3D triangular polygon mesh. The mesh is a tricky engineering
construction of thousands of vertices with holes, stems, supports etc.,
rather than a rectangular slab.

The question arose basically from the task to find the coordinates of
the intersection(s) of a ray with an arbitrary volumetric IDL model.
I've searched the newsgroups but couldn't find a ready answer.

If anyone provides me with information on either problems, I'd be very
grateful.

Cheers!

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