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Thorsen, Marc,
Thank you both for the helpful suggestions. That particular problem is
solved.
Now to tackle "ridges". ;~^}>
Steve
Marc Jacquier <jac### [at] wanadoo fr> wrote in message
news:3e1cb7f1@news.povray.org...
> As you use the evaluation of a pigment as a function, you should tell to
pov
> which color component you want to use:
> (x*x+y*y+z*z-1) + Cracks( x, y, z ).gray*5
> That's the "." meaning
> see the link given by Thorsen (bottom of the page)
> Marc
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