link jolygs
May 2, 2001; Ralph E. Griswold
This file is in the public domain.
This procedure produces traces of jolygons. See
Geometric and Artistic Graphics; Design Generation with
Microcomputers, Jean-Paul Delahaye, Macmillan, 1987, pp. 20-24.
The arguments specify the starting positions, the extent of the
drawing, the number of segments, the angle between consecutive
segments, the ratio of the lengths of consecutive segments,
a length factor, and a y scaling factor.