Thanks, 

I just compiled it with Cygwin, you can get it at:

http://www.schunter.etc.tu-bs.de/~chris/raytracing.html

I found it quite difficult to use, maybe you could think about changing
the way it is used to something similar to Warp's tesselation patch.  Some
functions could probably even be identical in both patches.  

Christoph

-- 
Christoph Hormann <chr### [at] gmxde>
IsoWood include, radiosity tutorial, TransSkin and other 
things on: http://www.schunter.etc.tu-bs.de/~chris/

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