Tom Melly wrote:

> "Gilles Tran" <tra### [at] inapginrafr> wrote in message
> news:3A644E20.AE2D2EF6@inapg.inra.fr...
> >
> > In fact the simplest isosurface would be y (or x, or z) threshold 0...
> > The plane isosurface is one of the most useful too, since it's the basic
> > substrate for adding other functions (noise, ridge multifractals etc.).
> >
>
> Very true - I should have said "... simplest isosurface using 3
> dimensions" - and even that's a matter of opinion. After all (x,y,z) is even
> simpler, but a bit boring.

How about f(x,y,z) = n
But we should narrow that to "...having a defined surface" ;)

--
David Fontaine  <dav### [at] faricynet>  ICQ 55354965
My raytracing gallery:  http://davidf.faricy.net/

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