Thanks for the comments

Yep - it's an average of 90% turbulated crackle, lower lambda, and 10% small
bumps.  No texture, except smoothing, is applied to the heightfield object

It's actually a hf - not a texture

I'll post The source in povray.text.scene-files

mortar colour wouldn't be too hard - a gradient texture oughta do it

Marc Schimmler wrote:
> 
> Hi!
> 
> Looks like a crackle pattern to me but I won't bet on it. There is also
> something like bumps to it.
> 
> Any chance to to give the mortar cracks a different colour easily?
> 
> BTW, this is a really fine texture!
> 
> Please show us the code!
> 
> Marc
> --
> Marc Schimmler

-- 
Sam
    mailto:smi### [at] paradisenetnz
    http://www.geocities.com/SiliconValley/Horizon/4152/

"Someday we'll look back on this moment and plow into a parked car." 
  -- Evan Davis

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