L-Lisp: Lindenmayer systems in Lisp

L-Lisp is a framework for generating and simulating plants and fractals in Common Lisp. The most recent version can be downloaded here.

Chapter 4 of my thesis L-systems, Twining Plants, Lisp describes L-Lisp.

Raytraced images

Berry Bush

Plant pruned to a cylindrical shape

Weeping willow

Plants climbing a wall

Twining plant simulation


L-Lisp running in Emacs w/OpenGL window.

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Knut Arild Erstad