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Trying to determine placement for SSLT entry in docs.
Ref->Textures->Finish is obvious but since SSLT is just another type of
diffuse (correct?) should it be:
Ref->Textures->Finish->Diffuse Reflection Items->SSLT
or
Ref->Textures->Finish->Diffuse Reflection Items->Diffuse->SSLT
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Am 27.05.2010 12:55, schrieb Jim Holsenback:
> Trying to determine placement for SSLT entry in docs.
>
> Ref->Textures->Finish is obvious but since SSLT is just another type of
> diffuse (correct?) should it be:
>
> Ref->Textures->Finish->Diffuse Reflection Items->SSLT
>
> or
>
> Ref->Textures->Finish->Diffuse Reflection Items->Diffuse->SSLT
I suggest to not put it in the official documentation yet. There /will/
be changes to the syntax - it may even end up in the interior.
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> Am 27.05.2010 12:55, schrieb Jim Holsenback:
>> Trying to determine placement for SSLT entry in docs.
>>
>> Ref->Textures->Finish is obvious but since SSLT is just another type of
>> diffuse (correct?) should it be:
>>
>> Ref->Textures->Finish->Diffuse Reflection Items->SSLT
>>
>> or
>>
>> Ref->Textures->Finish->Diffuse Reflection Items->Diffuse->SSLT
>
> I suggest to not put it in the official documentation yet. There /will/
> be changes to the syntax - it may even end up in the interior.
At least, label it as a beta, still in devlopment, feature. Also,
inforce the idea that the syntax and location are subject to future changes.
Alain
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On 05/27/2010 01:14 PM, Alain wrote:
> At least, label it as a beta, still in devlopment, feature. Also,
> inforce the idea that the syntax and location are subject to future
> changes.
That's what I did:
http://wiki.povray.org/content/Documentation:Reference_Section_5.1#Subsurface_Light_Transport
Jim
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On 05/27/2010 02:56 PM, Jim Holsenback wrote:
> On 05/27/2010 01:14 PM, Alain wrote:
>> At least, label it as a beta, still in devlopment, feature. Also,
>> inforce the idea that the syntax and location are subject to future
>> changes.
>
> That's what I did:
>
http://wiki.povray.org/content/Documentation:Reference_Section_5.1#Subsurface_Light_Transport
oh yeah ... found this while I was working on sslt entry, and thought
some of you might find it useful:
http://graphics.stanford.edu/papers/bssrdf/
a tough read (pdf link at bottom of page) but I slogged through it ;-)
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Am 27.05.2010 20:18, schrieb Jim Holsenback:
> oh yeah ... found this while I was working on sslt entry, and thought
> some of you might find it useful:
> http://graphics.stanford.edu/papers/bssrdf/
>
> a tough read (pdf link at bottom of page) but I slogged through it ;-)
... which, by the way, is exactly the paper the implementation in
POV-Ray is primarily based upon :-) (Well, that, and some earlier
POV-Ray 3.6 patch - by Sarah Tariq and Lawrence (Lorenzo) Ibarria -
which appeared to be based on that very same paper as well, but was
found wanting in various respects.)
There is also some follow-up paper by the same Henrik Wann Jensen (and
some Juan Buhler) called "A Rapid Hierarchical Rendering Technique for
Translucent Materials" (don't know a link, but it's out there as a PDF
somewhere), which provided some inspiration for planned improvements.
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On 05/27/2010 05:31 PM, clipka wrote:
> "A Rapid Hierarchical Rendering Technique for
> Translucent Materials" (don't know a link, but it's out there as a PDF
> somewhere), which provided some inspiration for planned improvements.
http://graphics.ucsd.edu/~henrik/papers/fast_bssrdf/
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