Hi!

> How would one go about building a BoundingPolytope for a non-convex shape? I'm
working with shapes that are almost (but not quite) convex, and I want to obtain
some tight bounds for them. Apparently, BoundingPolytope will not generate the
convex hull for you, neither through the constructor nor the combine method.
>
> If Java3D just isn't capable of this... does anyone know of some free (for
educational use) code that is?

Joseph O'Rourke is offering code from his book on Computational
Geometry in both C and Java. I can't remember whether 3D convex hulls
were included in the code distribution, but you might want to check
it out. See http://grendel.csc.smith.edu/~orourke/

Best regards,
Marc

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 Marc Alexa                             Darmstadt U. of Technology
 [EMAIL PROTECTED]  Dept. of CS, GRIS
 http://www.igd.fhg.de/~alexa           3D Graphics Computing
 Phone: ++49.6151.155.674               Rundeturmstr. 6
 Fax:   ++49.6151.155.669               D-64283 Darmstadt, Germany
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