After reading all the comments and posts I realized I need to brush up on my
math, (I've always had the sneaking suspicion that everyone on this
newsgroup is smarter than I am) and I should have looked more closely at
isosurfaces when I got MegaPov. I origonally got it just for the photon
mapping.
I have been hunting for tutorials on isosurfaces since and have found a good
one by Samuel T. Benge at
http://www.hamiltonite.pwp.blueyonder.co.uk/raytracing/STBenge/stbenge.html

Thanks all

NoOne

P.S. my first isosurface.

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