Hexagonal kolam

For an explanation see L-systems.

var level = 4; var axiom = 'X'; var rules = { 'F' : 'F', 'X' : '[-F+F[Y]+F][+F-F[X]-F]', 'Y' : '[-F+F[Y]+F][+F-F-F]', '[' : '[', ']' : ']', '+' : '+', '-' : '-' }; var symbols = { 'F':'F', 'X':' ', 'Y':' ', '+':'+', '-':'-', '[':'[', ']':']' } ; var angle = 60; var len = 300/(level); t.setPos(0,-250);

• Przemyslaw Prusinkiewicz, James Hanan: Lindenmayer Systems, Fractals, and Plants (Lecture Notes in Biomathematics). Springer-Verlag 1989, ISBN 0-387-97092-4
• http://en.wikipedia.org/wiki/L-system
• http://en.wikipedia.org/wiki/Kolam