vray skin study - Page 3

adamlewis · 09-05-2010, 02:59 PM

Hey guys just a little update here on my skin learning. Did a small face sculpt inspired by Sam Jinks and tried some different techniques and approaches. Let me know what you think!

PascalR · 09-05-2010, 09:14 PM

Looks great

It feels a bit waxy (but I love it) and the textures on the cheeks and forehead could have a bit more break up, like on the nose which looks nice
Great work!

MisterE · 09-05-2010, 09:14 PM

I think it's a great improvement! I like the addition of the specularity/reflection you have going (the lips especially!). You have some great form and modeling detail in there. Really love it!

As a small crit, the skin surface itself feels a tad bland. I think it would benefit if you increased the bump (or displacement) effect on the pores a tad.

Everyone constantly talks about skin shader techniques. To be honest, I'm more interested in your lighting and rendering setup. It's evident to me you have a very good understanding of how to light your models and how it brings out the best in your modeling skills. Any tips or settings you'd be willing to share?

jack_sparow · 09-05-2010, 09:20 PM

Nice work on this last, it still look a bit waxy to me. it looks like a newborn baby skin, this give a very soften skin, and real human skin is a bit harder.

A good skin is a compromse between Diffuse and SSS, knowing displacement map attenuate the softness of SSS. So it's pretty hard to find the good mix between these 3 component.

Be carefull with the specular component too, a Human face has different roughness and specular intensity over each part of the face. The nose is much intense in specular than cheek and things like that, so be sure to match this parameter to get the photorealistic look of the human skin.

hope that help. and keep it up.

Lapaev · 09-05-2010, 09:43 PM

Looks really good

Tomala · Yesterday, 06:27 PM

Now it looks great.
Do You use any maps for scatter color?
Waiting for more tests from You and of course it would be great if You can share Your settings

gjpetch · Today, 01:19 AM

Looking awesome.
One thing I'd suggest, you could try adding some blotchy variation to the colour of the face. Some subtle blotchy brown to represent melanin (I guess this is the main thing, I'm not really seeing any melanin, like freckles or age spots or whatever), overall red blotches to represent blood vessels, subtle blue blotches to represent un-oxygenated blood, and perhaps lighter grey/yellow/green blotches to represent areas with less blood-vessels.

If you need some more reference, I took some photos of some of his sculptures, not the greatest photography in the world, but still might be useful?
http://www.users.on.net/~gjpetch/ref...s/IMG_5689.JPG
http://www.users.on.net/~gjpetch/ref...s/IMG_5697.JPG

PascalR · Today, 04:07 AM

Great pics Greg

09-05-2010, 09:14 PM	#22
PascalR Administrator Join Date: Oct 2009 Location: Wellington, New Zealand Company: Weta Digital Posts: 1,396 Real Name: Pascal Raimbault	Looks great It feels a bit waxy (but I love it) and the textures on the cheeks and forehead could have a bit more break up, like on the nose which looks nice Great work! __________________ How to display full rez pictures within your post Please attach an image (could be small) to your first post, so it displays as a thread thumbnail. Make sure to post the references you've used if you're looking for hardcore feedback!

09-05-2010, 09:43 PM	#25
Lapaev Junior Member Join Date: Aug 2010 Location: San Francisco Posts: 12 Real Name: Roman Lapaev	Looks really good Last edited by Lapaev; Today at 02:33 AM.

Today, 04:07 AM	#28
PascalR Administrator Join Date: Oct 2009 Location: Wellington, New Zealand Company: Weta Digital Posts: 1,396 Real Name: Pascal Raimbault	Great pics Greg __________________ How to display full rez pictures within your post Please attach an image (could be small) to your first post, so it displays as a thread thumbnail. Make sure to post the references you've used if you're looking for hardcore feedback!

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09-05-2010, 02:59 PM	#21
adamlewis Junior Member Join Date: May 2010 Posts: 21 Real Name: Adam Lewis	Hey guys just a little update here on my skin learning. Did a small face sculpt inspired by Sam Jinks and tried some different techniques and approaches. Let me know what you think!

09-05-2010, 09:14 PM	#23
MisterE Junior Member Join Date: Apr 2010 Posts: 3 Real Name: Mr. E	I think it's a great improvement! I like the addition of the specularity/reflection you have going (the lips especially!). You have some great form and modeling detail in there. Really love it! As a small crit, the skin surface itself feels a tad bland. I think it would benefit if you increased the bump (or displacement) effect on the pores a tad. Everyone constantly talks about skin shader techniques. To be honest, I'm more interested in your lighting and rendering setup. It's evident to me you have a very good understanding of how to light your models and how it brings out the best in your modeling skills. Any tips or settings you'd be willing to share?

09-05-2010, 09:20 PM	#24
jack_sparow Junior Member Join Date: Dec 2009 Posts: 21 Real Name: julien duchesne	Nice work on this last, it still look a bit waxy to me. it looks like a newborn baby skin, this give a very soften skin, and real human skin is a bit harder. A good skin is a compromse between Diffuse and SSS, knowing displacement map attenuate the softness of SSS. So it's pretty hard to find the good mix between these 3 component. Be carefull with the specular component too, a Human face has different roughness and specular intensity over each part of the face. The nose is much intense in specular than cheek and things like that, so be sure to match this parameter to get the photorealistic look of the human skin. hope that help. and keep it up.

Yesterday, 06:27 PM	#26
Tomala Junior Member Join Date: May 2010 Posts: 10 Real Name: Tomek Stefanski	Now it looks great. Do You use any maps for scatter color? Waiting for more tests from You and of course it would be great if You can share Your settings

Today, 01:19 AM	#27
gjpetch Junior Member Join Date: Jan 2010 Posts: 23 Real Name: Greg Petchkovsky	Looking awesome. One thing I'd suggest, you could try adding some blotchy variation to the colour of the face. Some subtle blotchy brown to represent melanin (I guess this is the main thing, I'm not really seeing any melanin, like freckles or age spots or whatever), overall red blotches to represent blood vessels, subtle blue blotches to represent un-oxygenated blood, and perhaps lighter grey/yellow/green blotches to represent areas with less blood-vessels. If you need some more reference, I took some photos of some of his sculptures, not the greatest photography in the world, but still might be useful? http://www.users.on.net/~gjpetch/ref...s/IMG_5689.JPG http://www.users.on.net/~gjpetch/ref...s/IMG_5697.JPG

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