RADIALPATTERN

THE BOX'S MAIN HELP:
This function returns a radial gradient.
S controls the "around".
SS  scales the rate of the gradient around.
SOF offsets the gradient around.
T controls "across" the gradient.
TS  scales the rate of the gradient across.
TOF offsets the gradient across.

S (input):
This must be a varying float. The default is s.
This controls "around" the gradient.

SS (input):
This must be a float.  The default is 1.
This scales the rate of the gradient around.

SOF (input):
This must be a float.  The default is -0.5.
This offsets the gradient around.

T (input):
This must be a varying float. The default is t.
This controls "across" the gradient.

TS (input):
This must be a float.  The default is 1.
This scales the rate of the gradient across.

TOF (input):
This must be a float.  The default is -0.5.
This offsets the gradient across.

OUT (output):
This function generates a radial gradient.

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