In article <47e4419a@news.povray.org>,
 Charles C <"nospam a nospam.com"> wrote:

> This is a height_field (multiple actually, tiled, but not tile-able) 
> made from a nine* megapixel .png made of course from an orthogonal view 
> of crackle pattern pigment on a plane.  The pigment used for the 
> height_field is a *different* .png which is basically the original after 
> a few bucket-fills in GIMP with different colors to different 'stones.'

Looks great!

> I could keep-it-in-POV-Ray (no image based height_fields or image_maps) 
> if I knew how to give individual stones different colors using crackle. 
>   Unfortunately it looks like there's a choice between patterns that can 
> give borders to cells, or patterns which can give different colors to 
> different cells.
> 
> Any advice?

I may be misunderstanding what you are trying to do, but can you use the 
"solid" keyword with the crackle pattern? That sets each crackle to be a 
solid colour chosen from random from the colour map.

> Thanks!
> Charles

Cheers,
Edouard.

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