MARBLED

THE BOX'S MAIN HELP:
This function returned a marbled pattern.
PP  is the seed for the turbulence function.
FQ  controls the frequency of the marbling.
SHF shifts the contrast in the turbulence function.
OCT is the number of interations through the turbulence function.

PP (input):
This must be a varying point. The default is the surface point, P.
This is the seed for the turbulence function.

FQ (input):
This must be a scalar.  Default is 4.0.
This controls the frequency of the marbling.

SHF (input):
This must be a scalar.  Default is 4.0.
This shifts the contrast in the turbulence function.

OCT (input):
This must be an integer.  Default is 3.
This is the number of interations through the turbulence function.

OUT (output):
This function returns an marbled pattern.

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