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HeadacheDoilyRuined Palace
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Description: Mandelbrot in Seahorse Valley with distance estimator coloring. Points less than a pixel from the boundary of the set have a grey applied that depends logarithmically on the distance, effectively (and cheaply!) faking a much higher degree of antialias than was actually used.
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Views: 321
Filesize: 445.87kB
Height: 900 Width: 1200
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Keywords: Mandelbrot  Seahorse Valley 
Posted by: Pauldelbrot August 22, 2011, 07:45:12 PM

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Doily II


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Views: 162
Date: August 31, 2011, 04:19:56 PM
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By: Pauldelbrot
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Pauldelbrot
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August 29, 2011, 03:30:58 PM
Sure.

-0.7465505357484414301991138 + 0.1072028801930425731434617i.
panzerboy
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August 29, 2011, 03:13:35 PM
Most interesting. I'm stuck with simple iteration count colouring  in Ultrafractal so I don't think I could ever get such evenness of detail from the central 'brot outwards. Care to share the co-ordinates?
Pauldelbrot
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August 25, 2011, 02:42:18 AM
Thanks!

Note how even the little lightning bolts of the minibrot are visible, instead of washed out by the surrounding stuff.
Ross Hilbert
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August 24, 2011, 06:58:16 PM
Great render.
Pauldelbrot
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August 23, 2011, 10:43:55 PM
Thanks ... it's Seahorse Valley, zoomed into an arm of a seahorse and then into a spiral close to a minibrot along that arm, then down to this microbrot.

The precision is right near the limit of x87 80-bit hardware fp -- a little more zooming (before the minibrot expands to the screen edges) is enough to need software-emulated fp (and distance estimator slows down badly at that point).
LMarkoya
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August 23, 2011, 02:16:03 PM
Best Doily I have ever seen...great job...is this UF?

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