modification samj 20130319

Si vous avez des problmes avec le script-fu utilisant le greffon "Twist" effacer le fichier "pluginrc" et dmarrez Gimp.
If you have any problems with the script-fu using the plugin "Twist", delete the file "pluginrc" and start Gimp.

Twist 2.1 - A geometric image distortion plugin for 'GIMP'

Auteur : Peter Uray
Modifications : samj

http://registry.gimp.org/node/13221 (version 2.0)

Crer des dformations gomtriques sur une image RVB ou en niveaux de gris.
Ce greffon qui a de nombreux paramtres est complexe  utiliser. 
Une petite documentation, twist_doc.html, est dans le sous-rpertoire \doc.
Attention : Certaines valeurs peuvent donner des erreurs lors de l'excution du plug-in, il suffit de les modifier...

"[...] The twist maps the input image onto the output image by translating the original
pixels according to a 2d vector field which is determined by the selected distortion
function. In order to support the user's creativity some parameters (up to eight,
depending on the function type selected) can be adjusted, resulting in different
effects. The output of the twist plugin is a geometrically distorted image.
All this applies to layers as well as to images.
The effect of a selected parameter setting can be viewed interactively in the
preview image. [...]" 

Filtres > Distorsions > Twist

Filters > Distorts > Twist


Exemple utilisation :
http://www.gimpchat.com/viewtopic.php?f=10&t=2519#p32477

Divers :
http://www.graphics-muse.org/source/GFXMuse/GFXMuseTools/modified/twist/twist_doc.html
http://www.bbso.njit.edu/Documentations/gimpdoc-html/Plugin_dist.html