"LEO_BOLOGNA" <l_o### [at] yahooit> wrote:
> it seems that there isn't any support for nurbs in povray! is it possible?

Someone correct me if i'm wrong, but i believe bicubic patches are exactly
that.  They are one of povray primitives and they describe surfaces via
control points which are interpolated by a spline.  Isn't Non-Rational
Uniform B-Splines just that?...

Povray has a long history and many names do not correspond exactly to the
ones popular today.  For instance, people looking for a "Global
Illumination" feature will likely not link Radiosity to it...

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