Tek wrote:

> Looks good to me! I think the wrinkle looks just right, nice and subtle. I 
> think the edges look a bit odd, I'd expect them to be more vertical in 
> places (obviously awkward in a height_field).

 From the work I've seen of yours, that's something.  :)  Yeah, the 
insides of the cracks seem a bit 'round' to me.  I can narrow the cracks 
and I noticed that the amount of turbulence seems to have a pretty big 
affect on the size of the rubbley areas.  But I kinda like having 
rubbley areas...   I'll try your code to see what it looks like 
(Thanks!), although I do generally like to write my own.  I've been 
playing with 'form' some today which seems to be a quicker way of 
shaping the stones than what I'd been doing before with more pigment_map 
entries.

Charles

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