Unity


Nice Image Unity type

(type=unity)

This Peterson variation began with curiosity about other "Newton-style" approximation processes. A simple one,

     One = (x * x) + (y * y); y = (2 - One) * x;   x = (2 - One) * y;

produces the fractal called Unity.

One of its interesting features is the "ghost lines." The iteration loop bails out when it reaches the number 1 to within the resolution of a screen pixel. When you zoom a section of the image, the bailout criterion is adjusted, causing some lines to become thinner and others thicker.

Only one line in Unity that forms a perfect circle: the one at a radius of 1 from the origin. This line is actually infinitely thin. Zooming on it reveals only a thinner line, up (down?) to the limit of accuracy for the algorithm. The same thing happens with other lines in the fractal, such as those around |x| = |y| = (1/2)^(1/2) = .7071

Try some other tortuous approximations using the TEST stub and let us know what you come up with!


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Noel Giffin,
noel@triumf.ca