POV-Ray : Newsgroups : povray.general : Optimizing lights in an old scene : Re: Optimizing lights in an old scene Server Time
7 Dec 2022 09:32:36 EST (-0500)
  Re: Optimizing lights in an old scene  
From: Thomas de Groot
Date: 4 Feb 2022 02:19:10
Message: <61fcd36e$1@news.povray.org>
Op 03/02/2022 om 21:05 schreef tutki:
> I have an old povray scene that I'm trying to tidy up, and one of the things is
> to optimize rendering times by reducing the number of light sources. Currently
> there are 44 point lights, which I think it probably excessive. Most of them are
> inside background objects (multistorey buildings in the background), and
> probably could be gotten rid of?
> 
> What are some general guidelines on optimizing light sources in a povray scene?
> Is there some trick I could use to retain approximately the same look but with
> less light sources (or with better rendering performance)?  Does povray optimize
> away faraway fading light? E.g., if a background building is far away then only
> objects close to it would involve that light source, but other objects in the
> scene would skip that light source?
> 
> 
Something you could try is to replace those point lights in the 
background buildings by tiny, white spheres with finish {emission 1}. 
You can increase the emission value up to your needs.

-- 
Thomas


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