L-System examples

Koch Curve

Production rule: a → a-a++a-a

Starting rule: a

Degrees: 80

Dragon Curve

Production rules:

• a → +a+b
• b → a-b-

Starting rule: a

Degrees: 90

Interpretation:

• -: turn left D degrees
• +: turn right D degrees
• a and b: draw a line 1 unit long

For more information: wikipedia article