POV-Ray : Newsgroups : povray.pov4.discussion.general : NURBS-Surface code in PovRay already exist : NURBS-Surface code in PovRay already exist Server Time
2 Dec 2023 12:46:45 EST (-0500)
  NURBS-Surface code in PovRay already exist  
From: H  Karsten
Date: 4 Jan 2010 14:25:00
Message: <web.4b423f647f257aeada6353d60@news.povray.org>
Hi people,

in this post: web.4afb068fe011e9f5da6353d60@news.povray.org I'd suggest to
support NURBS-surfaces is PovRay.

Now I figured out that in MegaPov 0.6 support of NURBS already exist, including

Is it possible to use this code from MegaPov 0.6?

You cam find it in the documentary under point 5.5.1. (Rational Bezier), type 2.

This patch extends the current bicubic_patch with two new types - one
non-rational (type 2) and one rational (type 3).

It also adds a new object type called bezier_patch with arbitrary u,v order and
trimmed_by option

Thanx, Holger

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