On 9 Aug 2002 16:39:31 -0400, Warp <war### [at] tagpovrayorg> wrote:

>  Of course this poses a problem: How do you texture an UV-mapped
>quadrilateral in patological cases (eg. when it's concave)?

I can tell you how to do the forward operation (i.e. from uv to xyz),
but I gave up trying to reverse it, although I am dead sure it has a
unique solution.


Peter Popov ICQ : 15002700
Personal e-mail : pet### [at] vipbg
TAG      e-mail : pet### [at] tagpovrayorg

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