Dave Matthews wrote:
> I'm not sure that this discovery adds much to the stockpile of useful POVRay
> techniques, but I thought I'd share it anyway.
> 

One of the fun things I do is to warp the isosurfaces
by d multiplying (adding etc)
the co-ordinates by another function. e.g.

f_wrinkles(x * f_wrinkles(x,y,z),
            y * f_wrinkles(x,y,z),
            z * f_wrinkles(x,y,z))

Its more flexible than plain warping, but slow
at least until someone patches warping to take functions :-)

Dave

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