Why is skin so crazy
deleted user
Posts: 1,204
I just have to ask... Why is it that when you get skin, Their always way off color... I mean you buy it.. You load it. And their friken orange or blue or red or so dark you can hardly see them... I buy mostly white skins but the only way to get the skin to render realsticly is to use SSS. But SSS turns them off color looking like a pumkin or an apple or a blue berry. I'm exaggerating of course but why is skin so nutty? Why is it that I can buy 2 white skin and in the same scene, both figures loaded. One is blue and the other is orange, and you try to fix and and make the skin look white and you can NEVER get white skin to look white. they always look like they spent way too much time at the tanning salon with their fake looking orange/red tan. I have to desaturate my renders in post work to make a white girl look white, with SSS.
I mean we can make nearly photo real water. You would figure that would be the hard one. Bt skin... Skin is all over the dang place. I can practicly make a rainbow if I lined up all of my figures I own according to hue and rendered them But you know what skin color you wont see? White skin...
Also why is it that skin can look good. but it only looks good under one or two lighting set ups. Move it into another scene and all the sudden its like they just got paint dumped on them.
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Comments
Two words...linear workflow.
Proper SSS requires a linear workflow.
http://www.vfxwizard.com/tutorials/gamma-correction-for-linear-workflow.html
https://renderman.pixar.com/view/LinearWorkflow
http://www.daz3d.com/forums/discussion/54913/approaching-realism-in-daz-studio-and-gamma-correction-demystified/p1
You basically answered the question in your last sentence. This is why I question the people who spend ages tweaking their skin shaders, because once you put them in a different environment they look completely different. And this is why the promos give you no idea how the skins will actually look when you use them yourself.
because with a proper shader setup it should look good under any lighting condition (as long as all values are within pbr)
This is one reason I like certain tools that regularize SSS and other characteristics (like Iray Converter). Once you find a formula that works for you, you can usually adjust different skins to work.
@Angel - Wings "fake looking orange/red tan."
I don't get the tones issues you have. Is your monitor anywhere near calibrated?
Here are a few Iray renders. Do you see the same "fake looking orange/red tan." tones in these?
Is it possible you're using characters optimized for Daz Studio 4.9 and you're using an earlier version like 4.8? That will cause carrot people with the SSS Reflectance tint being a different colour in both.
No but your skin settings are not very advanced either. I mean no offence when I say that. But the skin settings you have look like they are made of stone and shiny plastic. Make the skin look softer using proper, real life skin values and you'll run smack dab into the same issue I face.
I am on 4.8 right now yeah.
No but your skin settings are not very advanced either. I mean no offence when I say that. But the skin settings you have look like they are made of stone and shiny plastic. Make the skin look softer using proper, real life skin values and you'll run smack dab into the same issue I face.
? But there's a substantial amount of SSS in those photos with nearly no gloss?
edit: I think the quote system is bugging out :/
No but your skin settings are not very advanced either. I mean no offence when I say that. But the skin settings you have look like they are made of stone and shiny plastic. Make the skin look softer using proper, real life skin values and you'll run smack dabt into the same issue I face.
Makes no sense to me... the renders just shown to you all look good to me. Showed them to other members of my household... everyone agrees. The skin in the third and fourth images looks great! Maybe you could post one of your own renders showing the issues you are concerned about... I'd really need to see the problem... if indeed there is one... before I can afford any time to the matter.
edit: yep... quotes done gone crazy...
What is important is NOT trying to duplicate skin settings but faking its look. While in theory is sounds good to set it up like real skin, what we forget is that the textures used to make each character skin is done with photographs of REAL human skin doing exactly what skin does under light. And there is NO way to edit that out. Another thing we forget is that real skin is made up of layers and goes over top of various layers of fat, muscle, bones and organs. All these play a part and how the skin looks in the end. But the 3d model of the human lacks all these things and is less then paper thin so giving it exact or near exact skin settings wont work. In the end the only thing we can really do is adjust the settings of the shader used to try and fake the look of real skin reacting with the light. And even if we accomplish that, there is no garuntee that the settings we use for one scene will work for another.
Your post reminded me of a Night Elf someone made for a Blizzard fan art contest six years ago. The artist even modeled the teeth separately to make the Elf look as realistically humanoid as possible. The result is a CGI character that still looks like a real woman doing cosplay.
http://www.cgsociety.org/CGSFeatures/CGSFeatureSpecial/custom_story/4006&page=1