POV-Ray : Newsgroups : povray.pov4.discussion.general : Support of NURBS-Surfaces : Re: Support of NURBS-Surfaces Server Time
15 Oct 2024 14:48:13 EDT (-0400)
  Re: Support of NURBS-Surfaces  
From: Fredrik Eriksson
Date: 17 Nov 2009 10:12:01
Message: <op.u3joiay27bxctx@e6600>
On Tue, 17 Nov 2009 15:57:30 +0100, scott <sco### [at] scottcom> wrote:
>
> Being able to render the patches directly without triangulating would be  
> cool!  I guess you "just" need a ray-patch intersection formula - does  
> such a thing exist?

Yes, such a thing exists, but the math is a bit complicated, and  
performance is likely to be underwhelming.

http://www.google.com/search?q=nurbs+ray+intersection



-- 
FE


Post a reply to this message

Copyright 2003-2023 Persistence of Vision Raytracer Pty. Ltd.