I'd suggest you use the cross product of the vectors.  Recently there was a
good posting that should explain how to do this.  Search on cross product.

--
Jim

Check out my web site http://www.kressworks.com/
It'll blow your mind (politically), stimulate your senses (artistically)
and provide scientific insights beyond compare!

Be sure to read the Warp maintained POV VFAQ:
http://iki.fi/warp/povVFAQ.html




gemelli david wrote in message <36EE4DA3.FA7B78F7@imerir.asso.fr>...
>I posted an image in povray.binaries.images of an height-field I did
>with a POV file. I use
>a mesh of triangles and I would like to change them to smooth-triangles.
>How can I find normal
>vectors from the corners of the triangles ?
>Thanks !
>
>                    David GEMELLI
>

Post a reply to this message