LaMaGa: Double double spiral

Subject: Classical geometry.

Explanation: Four spirals, two of them clockwise and the other two counterclockwise, from a circle and a triangle. A very simple program in the PATOO language.

Bibliography: The PATOO language, and this current example, are described in "J.Rodríguez-Laguna, A computational algebra for the generation of geometric patterns", freely available here or (in Spanish) at Suma 46 pg. 45-50 (2004)

Software: Program for the Application of Translations and Other Operators (PATOO), freely available at .

Printable copy: PostScript file available here.

All images are rendered using free software, and released under the GPL

Last Update: 21 May 2005
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