Advanced Skin Shading

[linkydot]

Hi,

do you know any good tutorials on advanced realistic skin shading with the new VRaySkinMtl? How to prepare the maps for shallow, medium and deep scattering and how to set up the whole shader with reflections and stuff? I am searching the net for a while now but could not find anything besides very basic cartoon-skin setups. You probably know already that i am a very beginner and maybe this is all clear for you guys but i am having trouble learning it. Any help would be very appreciated!!!

Thank you very much for any tips/links/ressources

[joconnell]

I'd go back to using the fastsss2 and have a look at this tutorial - https://www.youtube.com/watch?v=AANYPdBZM5Y

[linkydot]

Ok, thank you very much! Is there a reason why nobody uses the new VRaySkinMtl? Why going back to fastsss2? I barely find any information about it and no tutorials at all.
I've also read about more advanced topics like wavelength dependent scattering and color bleeding.

I'm not searching for just free tutorials but anything that could help me setting up a photorealistic skin. I know there is no general rule on how to do it but anything at all?

Thank you very much!

[joconnell]

What happened was that the fastsss2 shader was very realistic but some people wanted to get the same fake but very controllable options that the mental ray skin shader had, hences the skinmtl based on similar ideas. There was a bug in the fastsss2 at one point which gave some odd tints and it turned out to be an error in the original sss equation published in the paper that fast sss2 was based on.

Why there aren't many tutorials on it is because it takes too long to get to the point of something being truly photorealistic, there's only quick but disappointing results. The best examples are from people who've set things up well and then tweaked tiny areas of something over a few months in minute detail and they don't make for very good tutorials - A great thread showing how much effort it takes is here - http://www.cgfeedback.com/cgfeedback...ead.php?t=3776 - also take a look at the 3d scanning users group on facebook, james busby from ten24 which is a digital double scanning company has posted some great results.

All just time and a very close attention to detail :/