Chris B wrote:
> OTOH The bit of the question about new "cells" not being created implies 
> you might wish to avoid chopping through discrete splodges of texture in 
> the granite pattern. For example, cutting around the bright areas and 
> avoiding cutting through any dark patches. I can't think of an easy way 
> of doing that using only POV-Ray, although it's conceivable you could 
> use the eval_pigment function to chart a route through the bright bits 
> without venturing into the dark bits. You could then build a prism 
> object to follow that route and use it as an object pigment to create a 
> top layer with a transparent hole of the required shape. Lots of work 
> though!
> 
> Regards,
> Chris B.

I was thinking of maybe applying black hole warps and turbulence to a 
more simple and plain pattern. I know I can control the placement of the 
black holes, and the turbulence should help it look more grainy.

-Mike

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