In article <3A692D00.35295741@hotmail.com>, Ben Chambers 
<bdc### [at] hotmailcom> wrote:

> NURBS = Non Uniform Rational B-Splines, aka Bezier Patches, Bicubic 
> Patches, etc.  It's all the same stuff.

Depends on what you mean by "same stuff"...they are *not* identical as 
far as I know, but they are all spline based objects. "Bezier patch" and 
"bicubic patch" seem to be used interchangeably, though. And MegaPOV 
supports a "rational bezier patch" object.

-- 
Christopher James Huff
Personal: chr### [at] maccom, http://homepage.mac.com/chrishuff/
TAG: chr### [at] tagpovrayorg, http://tag.povray.org/

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