Bill Pragnell wrote:

> I think you might be right. I advocated upping the resolution because you
> need a high level of detail in the pigment function to realistically
> represent the rough surface. A smoothed lower-res mesh would just look
> blobby. But we'll see!
>

I got the hint that unsmoothed might be not only faster but possibly 
better at showing detail when I did this entry, back in the day:
http://www.irtc.org/ftp/pub/stills/2001-02-28/chalice1.jpg
rendered on a laptop with a 650 athlon

>  Any chance of a peek at the code? :)
> 

Sure, just let me revisit it myself before I post it.  I need to 
remember what I was trying to do.  It is not such a big deal, just 
scaled bumps faded into a gradient y and a boxed pattern.  But I put it 
into macro(s) to try and adjust it to different block shapes/sizes, add 
other color, and perhaps sychronize some colors with the displacement 
function for the isosurface.

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