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Archimedean Spirals

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script-fu-archimedean-spirals.scm4.49 KB

Draws one of five types of predefined spirals, or lets the user modify the power parameter. The formula is:

r = a + b * theta ^ n

r - radius
a - growth factor
b - multiplication factor
theta - angle
n - power factor

The predefined types are: Archimedean (n = 1), Fermat (n = 1/2), Circle (n = 0), Lituus (n = -1/2), Hyperbolic (n = -1). If you choose a predefined type, the power factor you input on the form will be disregarded.

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