scott <sco### [at] scottcom> wrote:
> In 
> practise every modeller and renderer will convert it to two triangles, so I 
> guess that can be thought of the "standard" way.

  It might be the "standard" way, but it produces an incorrect texturing
(with non-rectangular quads). The texture would require a non-linear
transformation to be rendered correctly on such a quad.

-- 
                                                          - Warp

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