Circle


Nice Image Circle type

(type=circle)
This fractal types is from A. K. Dewdney's "Computer Recreations" column in "Scientific American". It is attributed to John Connett of the University of Minnesota.

(Don't tell anyone, but this fractal type is not really a fractal!)

Fascinating Moire patterns can be formed by calculating x^2 + y^2 for each pixel in a piece of the complex plane. After multiplication by a magnification factor (the parameter), the number is truncated to an integer and mapped to a color via color = value modulo (number of colors). That is, the integer is divided by the number of colors, and the remainder is the color index value used. The resulting image is not a fractal because all detail is lost after zooming in too far. Try it with different resolution video modes - the results may surprise you!


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This page maintained by

Noel Giffin,
noel@triumf.ca