POV-Ray: Newsgroups: povray.programming: Another question about radiosity: Re: Another question about radiosity

POV-Ray : Newsgroups : povray.programming : Another question about radiosity : Re: Another question about radiosity		Server Time 28 Jul 2024 08:35:46 EDT (-0400)

From: Christoph Hormann
Date: 4 Sep 2002 06:52:19
Message: <3D75E5E2.917955B9@gmx.de>

Nathan Kopp wrote:
> 
> Yes, that's old MegaPov code.  The feature that you are referring to
> (PHOTONS_DIRECT) was also called "global photons."  When enabled, global
> photons would be used to focus the radiosity rays towards brighter objects
> in the scene.  The purpose was to give better results with fewer samples.
> It wasn't completely successful, so it didn't get included in POV 3.5.

Ah, thanks for clearing this up.

I thought global photons were just desactivated by default but not removed
in POV-Ray 3.5, there is a lot of '#ifdef GLOBAL_PHOTONS' in the source at
various places.

Christoph

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