POV-Ray : Newsgroups : povray.beta-test : SSLT RC3 and RC4 : Re: SSLT RC3 and RC4 Server Time
21 May 2024 05:25:54 EDT (-0400)
  Re: SSLT RC3 and RC4  
From: Alain
Date: 5 Mar 2012 14:12:44
Message: <4f55102c@news.povray.org>

> I have been experimenting with the SSLT in RC4 using scenes I built in RC3.
> The image linked below is the Lucy mesh without using SSLT.
> http://i.imgur.com/8Nnor.jpg
>
> This one is using the same material but with RC4 SLT.
> http://i.imgur.com/GAfXm.jpg
>
> And this is using the same material and settings with RC3 SLT.
> http://i.imgur.com/GF05j.jpg
>
> I actually prefer the RC3 image.
> When experimenting with the translucency and sampling I reached a point
> where I was using very high sampling 2048, 100. The image below was
> stopped after almost 8 hours. It is a different material it uses a
> texture map instead of a colour map.
> http://i.imgur.com/WcRME.jpg
> The detail is very hard to make out so that is why I upped the samples.
>

> for comparison. I made this about a year ago.
> http://i.imgur.com/elaf0.jpg
>
> Comments welcome.
>
> Maybe the Lucy mesh is not suitable for using translucency, it is very
> big and I had to reduce the size to work with it and I have no idea what
> it is like inside. I will experiment some more with another mesh,
> probably this one.
> http://i.imgur.com/48p9m.jpg
>

The SSLT in RC4 let the actual pigment show, while, with the RC3 
version, it was totaly ignored. The appareant colour was totaly 
determined by the SSLT parameters.
This explain the huge difference between the RC3 and RC4 results.


Alain


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