Try this one:

http://graphics.cs.uiuc.edu/~garland/software/qslim.html

I've used his method.  It is quite fast and works quite well.

Jim


"Warp" <war### [at] tagpovrayorg> wrote in message
news:3a3a034c@news.povray.org...
> Jim Kress <kre### [at] kressworkscom> wrote:
> : What tessellation method did you use?
>
>   I'm sampling tetrahedrons thorough the entire bounding box volume.
>
>   Perhaps I'll look at the marching triangles algorithm (if it's different
> from that, I don't know) to see if it may give a better result.
>   Any URLs?
>
> --
> main(i,_){for(_?--i,main(i+2,"FhhQHFIJD|FQTITFN]zRFHhhTBFHhhTBFysdB"[i]
> ):_;i&&_>1;printf("%s",_-70?_&1?"[]":" ":(_=0,"\n")),_/=2);} /*- Warp -*/

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