Colorization of Cellular Automata  Snapshot 1: After the first few generations, the "zero" digit of this rule appears only as a single, red pattern. Snapshot 3: The "two" digit settles into a handful of structures; the most obvious: the small blue triangles. Snapshot 5: It is a well-known phenomenon in color theory that colors surrounded by black will appear rich and saturated, while colors surrounded by white will appear washed out. Compare the subjective color intensity of this snapshot, which has no white, with the next snapshot, which has the same underlying CA. Snapshot 6: Here the "3" digit—the darkest of the grayscale digits for a  4 rule—is colorized, so not only have the black cells been eliminated that would intensify the feeling of color saturation, but now all the white cells are still present; they wash out the color intensity. The same phenomenon can be observed by comparing Snapshots 1 and 2.  "Colorization of Cellular Automata" from The Wolfram Demonstrations Project http://demonstrations.wolfram.com/ColorizationOfCellularAutomata/ Contributed by: John Kiehl Based on a program by: Stephen Wolfram |
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