Mike Williams wrote:
...
> I've no idea what any of your terminology means.
> 
> What is a degree?
> Why do your control points have four dimensions rather than three?
> What is a knot partition?

Mike,
I think his questions may be related to his two recent threads about 
NURBS in POV-Ray:

From: LEO BOLOGNA
Subject: mesh&nurbs question...
Date: 4 May 2006 14:00:01
http://news.povray.org/povray.advanced-users/thread/%3Cweb.445a0800e57eb53272071f7b0%40news.povray.org%3E/

From: LEO BOLOGNA
Subject: how to use nurbs on povray?!
Date: 3 May 2006 16:15:00
http://news.povray.org/povray.advanced-users/thread/%3Cweb.4458d6962d01a59e72071f7b0%40news.povray.org%3E/

-- 
Tor Olav
http://subcube.com

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