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Author Topic: Parabolic Julia set  (Read 1500 times)
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Adam Majewski
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« on: October 15, 2012, 09:28:14 PM »

Parabolic Julia set



http://www.fractalforums.com/index.php?action=gallery;sa=view;id=12563

Parabolic Julia set
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Adam Majewski
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« Reply #1 on: January 05, 2013, 12:36:10 PM »

Here is a theory :
http://en.wikibooks.org/wiki/Fractals/Iterations_in_the_complex_plane/parabolic

and more images with src code :
http://commons.wikimedia.org/wiki/Category:Parabolic_Julia_sets

Comments wellcome
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Adam Majewski
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« Reply #2 on: August 03, 2014, 06:03:06 PM »


better quality


* a.png (193.57 KB, 1500x1500 - viewed 379 times.)
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alij
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« Reply #3 on: August 15, 2014, 03:37:34 PM »

Wow lovely shapes! thanks for sharing the c code.
I am experimenting with using fiji to create .obj files from the output .pgm images.

Do you have any suggestions on how to output the black pixel coordinates as numerical x y locations to a text file rather than an image?
I would like to use the coordinates for import into a renderer.


* juliapar.jpg (89.27 KB, 400x400 - viewed 457 times.)
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Adam Majewski
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« Reply #4 on: September 27, 2014, 03:08:21 PM »

Quote
Do you have any suggestions on how to output the black pixel coordinates as numerical x y locations to a text file rather than an image?

Do you need pixel coordinate ( integer x and y ) or float numbers ( double zx , double zy ) ?
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alij
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« Reply #5 on: December 12, 2014, 01:25:09 AM »

oops missed your reply - by a few months  smiley

Thanks I think float numbers would be good -  would that produce a huge amount of coordinates?
I think the renderer will handle several hundred thousand points though.
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