Sand particles are dropped onto the canvas, with each subsequent position governed by this fascinating and elegant strange attractor: x Coefficients a1 - a12 are chosen from a dozen sets known to produce stable patterns*. Even a small change in just one of the coefficients can profoundly influence the results. Colour palettes are created by sampling one of several photographs taken by the programmer**. Colours are chosen from the palette according to the distance the particle has had to jump to reach its current position from its last. At each refresh, the coefficients are adjusted slightly and a new palette chosen, leading to slightly different results*** on every new iteration. |

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