GRANITE

THE BOX'S MAIN HELP:

This function returns a granite pattern.
PP is the seed for the turbulence function.
FQ controls the frequency or density of the grain.
OCT controls the amount of the turbulence.

PP (input):

This must be a vector. The default is the surface vector, P.
This is the seed for the turbulence function.

FQ (input):

This must be a scalar.  The default is 5.0.
This controls the frequency or density of the grain.
Larger numbers generate a finer grain.

OCT (input):

This must be an integer.  The default is 4.
This controls the frequency or density of the grain.
Larger numbers generate a finer grain.

OUT (output):

This function returns a granite pattern.

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