GrimDude wrote:
> I'm lost, don't know what SSS is, but I do know these images are very good.
> 
> - Grim 
> 
> 
Sub-surface Scattering.  The idea is that for many materials ( well all 
materials really ) light penetrates the surface somewhat before being 
refracted back.  With some materials, like marble or human skin this 
produces noticable effects. There are renderman shaders for instance 
that attempt to reproduce these effects. Some time ago Mael and others 
began experimenting with using dense media within objects, and leaving 
the surface transparent, as a POV-Ray solution to this issue.  The 
results are a dramatic success when simulating homogenous materials such 
as jade or wax.  But as a way of treating skin, good results remain 
elusive.  This seems to be mostly because of the need for a 
semitransparent rather than totally transparent surface plane to achieve 
much of the information that skin offers the eye.  Hence the subtle 
milky effect of the dense media is lost.  That's my take on it anyway.

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