POV-Ray : Newsgroups : povray.unofficial.patches : Direct Ray Tracing of Displacement Mapped Triangles : Re: Direct Ray Tracing of Displacement Mapped Triangles Server Time
3 Jul 2024 02:35:43 EDT (-0400)
  Re: Direct Ray Tracing of Displacement Mapped Triangles  
From: Christoph Hormann
Date: 30 Apr 2003 05:44:58
Message: <3EAF9B1A.A6D05BB3@gmx.de>
Christopher James Huff wrote:
> 
> > Now you missed my point :-) I was not talking about meshes at all -
> > isosurfaces have the strong advantage of much lower memory use (only 16
> > bit per data point - this is quite unbeatable in comparison to a mesh) and
> > really renders quite fast in this case.
> 
> How? You can't base an isosurface on a mesh (right now, at least), and
> what do you mean by "data point"? Are you talking about isosurface
> height fields? [...]

Take a look at the cited posting in p.b.i.  Image map based isosurfaces
are much more powerful than heightfields.

Christoph

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