POV-Ray : Newsgroups : povray.beta-test : Revisiting SSLT with 3.7.1 beta 9 : Re: Revisiting SSLT with 3.7.1 beta 9 Server Time
20 Apr 2024 09:30:37 EDT (-0400)
  Re: Revisiting SSLT with 3.7.1 beta 9  
From: FlyerX
Date: 7 Aug 2017 18:20:01
Message: <web.5988e6995151470fefa0f190@news.povray.org>
I forgot to mention that I used 24.5 mm per unit. The scene is scaled in inches.



"FlyerX" <fly### [at] yahoocom> wrote:
> Hello,
>
> I tested SSLT with the new 3.7.1 beta 9 and I still found that it is affected by
> the mesh density.
>
> I tested a scene with a mesh with SSLT on the skin+eyes, a single area light, an
> emissive background, radiosity, and anti-aliasing. The issue is most notable on
> the chin, neck, and whites of the eyes. The SSLT translucency was 2,1,1 for the
> skin and 0.2,0.2,0.2 for the eyes. See images below for more details.
>
> Render with the mesh at about 130000 triangles:
> https://drive.google.com/file/d/0B0WPQb1iNGaYS1NFVWJ4eWF4U2c/view?usp=sharing
>
>
> Render with the mesh subdivided to about 560000 triangles:
> https://drive.google.com/file/d/0B0WPQb1iNGaYUEItNGUwbFpGLVE/view?usp=sharing
>
>
> Here is a PoseRay capture of the mesh densities
> 130k:
> https://drive.google.com/file/d/0B0WPQb1iNGaYVnpaQzktMk1IQXc/view?usp=sharing
>
> 560k:
> https://drive.google.com/file/d/0B0WPQb1iNGaYdmRRV0xMTjZValk/view?usp=sharing
>
>
> I checked the release notes and I could not find any reference to changes in
> SSLT since 3.7. Is there any new setting that helps with the mesh density issue
> or should I just keep using subdivision to alleviate it?
>
> Thanks,
>
> FlyerX


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