
Système de fonctions itérées

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***     Iterated Function System (IFS)     ***
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***          Version Gimp 64 bits          ***
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Auteur :

	François Gingras


Site : 

	http://registry.gimp.org/node/24563


Sources : 

	http://registry.gimp.org/files/IFS.c


Installation :

	Placer IFS.exe dans le répertoire des greffons d'une version Gimp 64 bits.






Accès sur l'image à 2 calques par :

	Filtres > Misc > IFS
	
	






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This IFS plugin does exactly what it says - applies an iterated function system over an image, finitely, making it fractal-like. 

Increasing the number of iterations, while taking more processing time, does make images pretty close to real fractals, and we still see small Wilber's when zooming in:


Features:

Choose from many IFS's, including Sierpinsky Triangle, Pythagoras Tree, Hex Flake, Cantor Dust, and more.
Option to enable or disable supersampling (makes resized images nicer).
Modifiable number of iterations (and of course, you can re-apply the filter for some more iterations);
Combinable fractals: run the plugin with a IFS for a few iterations, and then again with another IFS;
Choose target image size so that if you want a big image, calculations will be made to optimize the image quality.
I had originally planned many more features for the plug-in (such as a preview and more IFS's to choose from), but honestly I grew bored of programming it, so there it is. 
There are probably a few bugs (notably, the target size is always an estimation and is sometimes plainly incorrect, for example when used with the Pythagoras Tree IFS), and there are a few console warnings I couldn't get rid of. 
However, it is still very much usable.





