POV-Ray : Newsgroups : povray.general : radiosity vs. double_illuminate : Re: radiosity vs. double_illuminate Server Time
31 Jul 2024 04:15:11 EDT (-0400)
  Re: radiosity vs. double_illuminate  
From: Alain
Date: 11 Nov 2007 13:38:10
Message: <47374c12@news.povray.org>
nemesis nous apporta ses lumieres en ce 2007/11/11 12:28:
> Jan Dvorak <jan### [at] centrumcz> wrote:
>> Hello,
>>   When I use double_illuminate in a radiosity scene it does nothing (it
>> does get double_illuminated by light_sources).
>> Here's a scene to illustrate:
>>
>> Is it a bug or it is intentional?
> 
> it's not a bug!  There are no light sources in pure radiosity, so you shouldn't
> expect an object to get "doubly illuminated".  Use at least one light_source
> together with radiosity.
> 
> It's the same for reflection:  no light_sources, no reflection.
> 
> 
> 
You can always see an object with a high ambient value in a reflection without 
any light.
Not the case with photons. No light_source = no photons.

-- 
Alain
-------------------------------------------------
Real Time, adj.:
     Here and now, as opposed to fake time, which only occurs there
and then.


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