Almost-Circular Cellular Automaton

steps

400

height of seed

5

width of seed

1

Even though it operates on a square lattice, this 2D cellular automaton ends up often producing a pattern whose boundary closely approximates a circle.

Details

The rule used is outer-totalistic 9-neighbor rule 746.

External Links

The Phenomenon of Continuity (NKS|Online)

Permanent Citation

Stephen Wolfram

"Almost-Circular Cellular Automaton"
http://demonstrations.wolfram.com/AlmostCircularCellularAutomaton/
Wolfram Demonstrations Project
Published: September 28, 2007