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File:Mandelbrot zoom 1.gif

Mandelbrot_zoom_1.gif ‎(640 × 480 pixels, file size: 82.83 MB, MIME type: image/gif, looped, 475 frames)

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Summary

Description
English: Used Zom-B's library with my own code and a golden gradient (similar to the default gradient used in Ultra Fractal). Each scene is 3x supersampled to remove sharp edges. Took... a while to render

Zom-B version

Mandelbrot zoom with center at (-0.743643887037158704752191506114774, 0.131825904205311970493132056385139) and magnification 1 .. 3.18 × 1031 created using my own Java program, using:

  • Double-double precision (self-written library),
  • Adaptive maxiter depending on the inverse square root of the magnification
  • Adaptive per-pixel antialiasing strength depending on the maximum iteration of nearby pixels (15x AA max), (during antialiasing phase, maxiter is quadrupled),
  • Iteration smoothing,
  • New warm gradient which also gives clearer details, applied to the base-2 log of the smoothed iteration number,
  • Modified periodicity checking algorithm from Fractint, for significant speedup,
  • Main cardioid and period-2 bulb checking for another speedup,
  • Multi-threaded calculation
  • 136 hours calculation time on two PC's (6 cores combined)
Date
Source Own work, Java source
Author SimsContPics
Other versions
  • 320×280 pixel resolution, 6× supersampled, 23.64 MB
    320×280 pixel resolution, 6× supersampled, 23.64 MB

Licensing

Public domain I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
In some countries this may not be legally possible; if so:
I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

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inception

27 January 2010

File history

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Date/TimeThumbnailDimensionsUserComment
current02:46, 2 February 2010Thumbnail for version as of 02:46, 2 February 2010640 × 480 (82.83 MB)SimsContPics{{Information |Description={{en|1=Mandelbrot zoom in.}} |Source={{own}} |Author=SimsContPics |Date=27 Jan 2010 |Permission= |other_versions= }}
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