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On 2 Sep 1999 09:22:17 -0400, par### [at] fwi com (Ron Parker) wrote:
>On Wed, 01 Sep 1999 23:45:37 GMT, Cliff Bowman wrote:
>
>>Double faces I think I know the reason for. A lot of modellers seem to
>>get the normals *wrong* and so users sometimes make a copy of the
>>model, flip the normals, and combine the two sets of meshes.
>
>I've actually seen this approach RECOMMENDED in an otherwise good
>book. Might have had something to do with the book being written
>for an inferior modeller like MAX, though... <big grin for Lance>
????
Good grief.
And I'd just been working from conjecture... if such double faces WERE
imported into POV, how would it cope I wonder? I'll have to give it a
try. I can't help but think that with 2 triangles at the same point
POv would have difficulty deciding on which one to render at any given
X-Y co-ordinate - sometimes picking the one with the "correct" normal
and sometimes picking the other...
Cheers,
Cliff Bowman
Why not pay my 3D Dr Who site a visit at http://www.who3d.cwc.net/
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