John VanSickle wrote:
> 
> David Curtis wrote:
> >
> > Questions, questions, questions, ...
> >
> > I've just read from the docs that POV converts the bicubic patch into
> > triangles. My question is why? It seems obvious that it must have something
> > to do with computation time, and the fact that there is no great advantage
> > to spending the time calculating a intersection point for every ray. Does
> > that sound right?
> 
> Yes.
> 
> A bicubic patch would have to be represented by a sixth-degree polynomial.

18th degree polynomial.

Xander

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