Yes, Povray is a much better rendering system, OpenGL is good for 'quick and
dirty' rendering. The problem described below originates (I think) from the
quadratic equation used by OpenGL to describe the shape not being able to
deal with zero and /or infinite values. Good to see that your problem is
solved, I thought I'd just add my two pennies worth for info anyway.....

Jean Montambeault wrote:

>         Well Marc,
>             looks like it wasn't that tough after all.
>
>          Thank you.
>
>             Jean M.
> >>     Can anyone explain to me, in plain language, why the use of Bezier
> >> patches via SPatch often causes the texture to crease
> >>     This may not be an easy question.
> >>
> >>     Thanks in advance.
> >>
> >>      Jean.
> >>
> >
> > Due to the fact that
> >sPatch uses OpenGL for internal texturing this can happen, However it
> >does *not* effect the povray output when textured properly.
>
> >Marc Schimmler

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