POV-Ray : Newsgroups : povray.advanced-users : Polygon planarity tolerance : Re: Polygon planarity tolerance Server Time
29 Jul 2024 04:18:29 EDT (-0400)
  Re: Polygon planarity tolerance  
From: Johannes Dahlstrom
Date: 27 Dec 2002 16:29:24
Message: <3e0cc634@news.povray.org>
Warp wrote:

> It's true that OpenGL tesselates to triangles any polygon given to it.
> This avoids degeneration problems, but is actually a bad problem with
> respect to texturing. I don't know if there's *any* way around this
> problem in OpenGL or other (simple) scanline rendering methods.
>   The problem is illustrated eg. here:
> http://www.cs.tut.fi/~warp/images/uvproblem.gif
> 

But isn't that a problem only if no perspective correction takes place?
Or did I interpret the image wrong?


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