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sherban
04-20-2002, 10:25 PM
hi,

If anybody knows of a good tutorial/link/reference pertaining to human skin (or even theoretical papers on how to simulate SSS successfully and such) this is the place.

There was a similar thread over at Spiraloid but I can't seem to find it. Spiraloid seems to be down quite a lot.
So I thought I'd start one here. What with the texturing challenge going on I'd expect someone would have already started such a thread.
(Hell, maybe some one did and i missed it).

anyways, here goes:
I originally found this link at Spiraloid. It's got a lot of REALLY hi-res photos great as resources.
http://www.defenselink.mil/photos/People/Portraits/

cheers,

leigh
04-21-2002, 05:23 PM
Hey there Sherban, I'm going to be posting workshops/tutorials that I am busy writing, onto this forum. I'm going to be dealing with SSS and a lot of other important, yet often overlooked, aspects of texturing.
But thanks for posting that link, I'm sure it will useful to lots of us.
And that goes for everyone -
If you know of any really good tutorials out there, post the links!

merlin9876
04-22-2002, 02:30 AM
Leigh, will your tutorials be leaning towards Maya since it looks like your bag of beans? I'm on Max for now and maybe XSI in a little while so I was wondering what direction you'd take. Maybe also some more "general" tuts?

leigh
04-22-2002, 04:21 AM
Hey there merlin9876, actually I'm a Lightwave fiend :)

Hmmm, I'm actually writing the workshops in the most software-unspecific way that I can.
I do know Max very well, so where I can, I will mention the equivalents that I know of :)
Otherwise they are going to be generic as I can make them :D

merlin9876
04-22-2002, 07:05 AM
Suits me fine Leigh! :D I'll be able to learn with probably anything posted. I'm dreaming of the day (maybe not that far away) when I'll be able to help others. 'Til then, work, work, work... :shrug:

-wT-
04-25-2002, 11:45 PM
Here's some siggraph papers and general info about SSS, dunno how helpfull it will be to you... but you wanted theoretical papers :)
http://graphics.stanford.edu/~henrik/images/subsurf.html

AJ
04-26-2002, 02:59 AM
I started working on a "skin shader" for max, basically a procedural material of many nested layers and types. I never really got round to finishing it the way I wanted (the idea being that the user could drop B&W masks into the various slots for veins, blushing...etc and then dial those up and down at will).

I used Adam Grants translucency script (available here (http://members.optushome.com.au/ghra/scripts.htm) ) for the "sub surface" areas of the skin but ideally it works better with an inbuilt SSS material such as Final Render's or Vray's.

Here's a little test I did, poser model - both renders have the same lighting/model setup, just the material that has changed. (it's a bit too red though)

BEFORE:

AJ
04-26-2002, 03:00 AM
AFTER:

Chico
04-26-2002, 03:18 AM
http://216.239.37.120/translate_c?hl=en&u=http://mr2k.3dvf.com/tutorials/max/divers/skin_procedurale.htm&prev=/search%3Fq%3Dshag:hair%2Btutorial%26hl%3Den%26sa%25

Heres tut that was in my favs folder. I dont know what its like. Looks like crap but could give you some ideas.

http://3dstation.babozor.net/Tutoriaux/php/tut_face02.htm
This on here is pretty good though. except its in french. Go find bablefish or google or somthing to translate it. Again I havent followed it through but it looks good. And I have converted itonce and it was halerious to read through...translation was terrbile but funny.

AJ...could you show us a close up of the skin..?
Cheers

AJ
04-26-2002, 03:26 AM
I'll dig up the file with it in and render some close up stuff.

I have a shot of the (exceptionally poor) Ear model that comes with Final Render - but since I only got to toy with FR for a few hours it's not that special...

Adam Klein
04-30-2002, 11:14 AM
Thats pretty neat Aj_23
It could use a couple adjusment, it just looks a tinge too velvety,
but hell that's nice!

I would like to see you work on this some more because the more I look at it, I think you have something schweet here.

too bad its not LW

Adam:hmm:

muckywetnoodle
04-30-2002, 04:38 PM
http://www.neilblevins.com/cg_education/tut28/tut28.htm

hartcons
04-30-2002, 10:57 PM
The inaugural issue of the Renderosity magazine (http://www.renderosity.com/softgood.ez?ViewSoftgood=5948) has an excerpt from Bill Fleming's latest book (http://www.komodostudio.com/kp/index.html) and touches on skin texturing (as I recall he says he uses something like 8 different layers for skin).

Adam Klein
05-01-2002, 05:02 AM
how do ya'll surface teeth, this is something I haven't spent much time with, but how do you create that translucent look? OF course SSS isn't exactly what I'm talking about....

Adam:wavey:

AJ
05-01-2002, 05:17 AM
Thanks for the kind words Adam! I may dig it out again, but seeing Maya's Node Based shader tree setup (we have Maya at work) - I think this is something that would be much more suited for that structure (sadly, the machine it's on gets used by the guy that can actually use it! I'll have to pin him one day and get him to show me more of the ropes...)

As for teeth - it's something I've mulled over for a quite a while. In fact the best looking teeth I saw were on one of Stahlbergs models, hopefully he'll notice this thread and give us some tips!

:)

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