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.

PP (input):

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

FQ (input):

This must be a float.  The default is 20.0.
This controls the frequency or density of the grain.
Larger numbers generate a finer grain.

OUT (output):

This function returns a granite pattern.