> 
> > http://www.cs.queensu.ca/home/jstewart/papers/cga01.html
> 
> From Page 2:
> The algorithm requires an evaluator for the implicit function defined at all points
in space,
> an evaluator for the function gradient defined at points near the surface,
> and a bounding box around the surface.
> 
> [...]

I mainly cited this paper since it also mentions some other tesselation
methods producing curvature dependant resolution meshes.

An algorithm only suited for isosurfaces might be useful though since a
lot of basic shapes can be represented as isosurfaces without problems.  

Christoph

-- 
POV-Ray tutorials, IsoWood include,                 
TransSkin and more: http://www.tu-bs.de/~y0013390/  
Last updated 06 Feb. 2002 _____./\/^>_*_<^\/\.______

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