Have a look at:

http://www.gate.net/~shipbrk/raytrace/bricks.html

Maybe this is of help.

Markus

"John M. Dlugosz" wrote:
> 
> I'm modeling a building made of stone.  A real building isn't one solid slab
> of stone, but is made of stones fit together.  In a new building the seams
> are perfectly flat with no visible lines, but the pattern in the rock has a
> discontinuity there.  So I modeled stones fit together where each has a
> translated texture, but the results are not convincing.
> 
> A related issue is that I'm not sure what scale to use, on the great Miller
> stone textures that come with POV, to look like real stone.
> 
> Any suggestions or specific textures?
> 
> --John

-- 

 Ich nicht eine Sekunde!!!" H. Heinol in Val Thorens

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