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P-18, "random walk", computer generated algorithmic plotter drawing, ink on paper, 50cm x 50cm, 1969

© 1969 by Manfred Mohr
Examples of program P-18 drawn with a high-resolution microfilm light beam plotter 1969

About the algorithm:
The elements are horizontal, vertical, 45 degree lines, square waves, zig-zags, and have probabilities for line widths and lengths. Within a defined area, the algorithm chooses from the alphabet to create a random walk. Drawings using this algorithm are numbered P-16, P-17, as well as P-18.

First published:
Catalog Manfred Mohr, "Computer Graphics, Une esthétique programée", ARC - Musée d'Art Moderne, Paris, 1971 (catalog and show)
In the catalog, this program is called a study for program P-21 (band-structure).

A 1969 drawing from this algorithm is included in the article Herbert W. Franke, Computers and Visual Art, Leonardo Vol 4, Paris 1971

About the work:
Two drawings from this program are in the collection of the Victoria and Albert Museum, London
- These drawings were shown in the exhibition "Computer Graphics '70", Uxbridge in April 1970 and the subsequent traveling exhibitions (in the UK) organized by the Computer Art Society, London