SSS faceting issue

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SSS faceting issue

Postby rohandalvi » Fri May 08, 2020 8:12 am

rohandalvi Fri May 08, 2020 8:12 am
Hi,

This is an issue I've faced before. If the density of the SSS is high enough you start to see the polygons. My solution is to usually keep the polygon count high enough till the faceting is not noticeable. But can this issue be solved.

sss.jpg


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Re: SSS faceting issue

Postby itsallgoode9 » Fri May 08, 2020 5:34 pm

itsallgoode9 Fri May 08, 2020 5:34 pm
yeah i've noticed this for a long time as well. would be great to get fixed so that we don't have to subdivide into oblivion
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Re: SSS faceting issue

Postby Despot » Thu May 14, 2020 8:46 pm

Despot Thu May 14, 2020 8:46 pm
Yep, this happens, but honestly, I use SSS (both Specular and Random Walk) every day almost and have never encountered it.

Is it only if you have a ridiculously high 'density' value ?
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Re: SSS faceting issue

Postby rohandalvi » Fri May 15, 2020 3:19 am

rohandalvi Fri May 15, 2020 3:19 am
I would prefer it not happen at all. At any values. Which is why I am hoping the developers will take notice.

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Re: SSS faceting issue

Postby Banti » Mon Dec 07, 2020 6:23 pm

Banti Mon Dec 07, 2020 6:23 pm
Is there any update/news on this issue? It makes scattering based skin shaders practically unusable when you dont up the geometry count really high (or subdivisions in DAZ Studio, which slows down the viewport immensely).
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Re: SSS faceting issue

Postby itsallgoode9 » Tue Dec 08, 2020 12:52 am

itsallgoode9 Tue Dec 08, 2020 12:52 am
Despot wrote:Yep, this happens, but honestly, I use SSS (both Specular and Random Walk) every day almost and have never encountered it.

Is it only if you have a ridiculously high 'density' value ?


I haven't tested it but on my projects, I recall only seeing it on high density values.
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Re: SSS faceting issue

Postby Banti » Tue Dec 08, 2020 11:46 am

Banti Tue Dec 08, 2020 11:46 am
itsallgoode9 wrote:
Despot wrote:Yep, this happens, but honestly, I use SSS (both Specular and Random Walk) every day almost and have never encountered it.

Is it only if you have a ridiculously high 'density' value ?


I haven't tested it but on my projects, I recall only seeing it on high density values.



I can only speak about the DAZ plugin, but even if use density values that are just high enough to give realistic skin results, the faceting is clearly visible. I can somewhat counter this by upping the subdivision levels to a very high amount but it makes the viewport extremely laggy when i have more than 1 or 2 characters in the scene.

Here are 2 examples of a Random Walk material and a Scattering one:
facetting1.png

facetting2.png
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