Le 21/01/2015 23:34, z.ss.ulr a écrit :
> Dear friends , Please visit link below :
> http://upload.wikimedia.org/wikipedia/commons/c/cd/CrystalGrain.jpg
> 
> I am a beginner with Pov-Ray , Yet I wonder is there anyone who could help me to
> create a code which generates a photo similar to the one above ?
> 
> any help is greatly appreciated
> 
> 
> 
> 
If you want absolute control and voronoi-cell like (which grains might
be like), have a look at

http://wiki.povray.org/content/User:Le_Forgeron#masonry

(It's not part of the official pov-ray, it's on a parallel branch), for
grain, the texture map is probably far simpler and less colorful than in
the illustration.

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