Jeremy M. Praay wrote:
> "Jim Charter" <jrc### [at] msncom> wrote in message 
> news:4204f2e5@news.povray.org...
> 
>>Blobs and procedurals
>>
>>Bamana people, Boli altar figure, organic materials
> 
> 
> 
> Very nice, Jim!

Thankyou.

> 
> The cracks are just pigments and normals?  No isosurfaces?  If so, they are 
> incredibly realistic normals.
> 
> I tried something similar with iso-surfaces awhile ago, to produce a desert 
> scene.  This effect is much more realistic than what I used. I should see 
> what I can do with that.
> 
The ultimate intention is to do it with isoblobs and real displacement 
based on the texture.  In fact I first modeled the figure in isoblobs 
using iso_csg,  and I do have an early render with a displacement using 
a granite texture (attached),  but I switched to regular blobs and 
normals for development purposes.  I tried one overnight render with 
this complex texture but I was very slow.  I was using the adaptive max 
gradient like a good little doobie which is probably why.  I expect I 
can get good results cheating on the max gradient but it will still be a 
long render so I am trying to put together a little nicer setting to go 
along with it.

Here is some picture of Boli
http://www.hamillgallery.com/BAMANA/BamanaBoli/BamanaBoli04.html

Here the fissures have more of a crevice quality which should be a 
relatively easy effect.  The one I was studying in the Metropolitan 
Museum, however, shows more of a flaking effect with the edges at the 
cracks scalloped outward more.

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