Antonio Ferrari napsal(a):
> 
>> I confess that I agree, but now is probably a good time to thank everyone
>> who has developed POV-Ray for their effort.  Assuming most of the
>> developers have a life outside of this, it's all the more impressive.  That
>> said, subsurface scattering sure would be a great addition.  I know media is
>> more robust, but I can never get that to work right.  Oh, and someone has
>> already implemented this in POV-Ray, but it's probably not for sharing
>> (look at the last line):
>>
>>
http://www-static.cc.gatech.edu/grads/t/Sarah.Tariq/a_practical_model_for_subsurface.html
> 
> 
> Yes. I also have a work and I'm out of my house from 7am to 20pm. I have
> also a little child of one year old. But in spite of this I'm trying to
> develop a patch that allows to use media ii such a way that can model sss.
> I'm trying to do this adding a new pattern that can be used in density
> contest. DF3 files could be used, but they need a double pass to render and
> an external program. If my idea will be OK, I hove to model a density
> pattern that grows exponentially with the (minimal) distance from a generic
> surface. It's just an aid to avoid df3 alternative. I've already talked of
> these topics in other posts. Obviously rendering time grows up a lot.
> 
> I'm already at a good point of developement and I've already obtained good
> results. Unfortunately not always I've found a sufficient support in this
> forum. So I had to study and debug by my own. Anyway thanks to everyone
> that have helped me.
> 
> Antonio
> 
> P.S. The source code of Sarah Tariq is not available. Can anyone try to
> contact her?
> 
> 
> 
I thought that the skin has a constant density that is quite high plus 
probably some rough surface (epidermis) over it and even inserting some 
bones.
You can use any function or pattern as the media density; working out 
the function itself is probably impossible if you are using meshes.

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