POV-Ray : Newsgroups : povray.general : UV Mapping and Meshes : Re: UV Mapping and Meshes Server Time
9 Aug 2024 11:21:56 EDT (-0400)
  Re: UV Mapping and Meshes  
From: Gilles Tran
Date: 20 Jul 2000 16:48:42
Message: <397764D2.42187D2B@inapg.inra.fr>
Jason Miller wrote:

> Could someone please post a short POV file that demonstrates UV mapping on a
> mesh?  The MegaPOV Help file does not give a real good description of
> exactly how to work it.
>

There's one here :
http://www.mediaport.net/Artichaud/Tran/sources/tutuve.htm

> Do the UV coordinates range from <0,0> to <1,1> like they do in OpenGL?

AFAIK yes (but I could be wrong).

> Where <0,0> is the Upper left of image and <1,1> is the lower right?

It looks a little more complicated than that. Some images work like that and for
some others it's the opposite on the v axis. I'm quite ignorant about this
because whenever there's a problem I just scale <1,-1,1> the image.

G.


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