Carlo C. wrote:
> A 2d experiment, granite, granite, granite... rotten granite.
> Personally I find this granite obscene.
> POV-Ray, obviously, no-antialias, with minor postprocessing: contrast and
> saturation.

My first thought is that the large-scale staining occurs too frequently. 
Then I see that you might be using the "granite" pattern for the grains. 
I find that "crackle solid" gives a more realistic appearance as it 
simulates the crystalline nature of real granite. Real granite is 
usually composed of quartz, feldspar and mica. The mica and feldspar 
occur as crystal grains, the quartz occurs as amorphous, blob-like 
grains. The quartz is a bluish white, the feldspar an off-white, 
possibly pink color (I can't see pink too well), and the mica in granite 
is most often a greenish or reddish copper color, but very, very dark of 
course.

You might already be using crackle solid for the grains, but I can't 
tell by your picture. If not, then consider finding a chunk of real 
granite and studying it from a crackle solid perspective.

I hope some of this helps.

Sam

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