Alexander Enzmann wrote:
> 
> 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.

I recall the 3.0 docs as saying that it was six.  What's your source
for 18?

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