POV-Ray : Newsgroups : povray.binaries.images : trying to combine SSS and radiosity (80kb jpeg) : Re: trying to combine SSS and radiosity (80kb jpeg) Server Time
31 Jul 2024 14:21:24 EDT (-0400)
  Re: trying to combine SSS and radiosity (80kb jpeg)  
From: stbenge
Date: 30 Aug 2009 19:08:10
Message: <4a9b065a$1@news.povray.org>
clipka wrote:
> stbenge schrieb:
>> Render that and you have no SSS effect, you only get backside 
>> illumination effects. You might as well have not even given that 
>> object media.
>>
>> An object's media (or interior fading) will not cast shadows onto the 
>> object itself.
> 
> That's not how it should be of course.

I thought so too, but figured there was a good reason why the developers 
left out support for it.

> Now that you mention it, I didn't add any code to explicitly inform 
> POV-Ray that during the backside shadow testing we're /inside/ the 
> object of course (if it is solid and not just a patch). Symptoms to be 
> expected: Failure of POV-Ray to compute media for the object...
> 
> Ouch.

Unless I'm mistaken, such a thing would have gone unnoticed for a long 
time...

BTW, thank you for all the effort you've been putting into POV lately :)


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