POV-Ray : Newsgroups : povray.binaries.animations : A sunrise with media and radiosity : Re: A sunrise with media and radiosity Server Time
15 Jun 2024 10:11:10 EDT (-0400)
  Re: A sunrise with media and radiosity  
From: ajtribick
Date: 19 Oct 2008 18:05:00
Message: <web.48fbae77657b8a95bc82ce420@news.povray.org>
"nemesis" <nam### [at] gmailcom> wrote:
> "ajtribick" <nomail@nomail> wrote:
> > Test animation of a sunrise using media and radiosity. The atmosphere is created
> > using Rayleigh scattering media which has a density that falls off exponentially
> > with height. The test is only partially successful: it seems that the media
> > atmosphere is not giving any contribution to the radiosity lighting. Still have
> > to figure out if there's any way to increase the contribution of the scattering
> > media to the radiosity while still allowing the colour of the sky to remain
> > visible.
>
> Did you forget hollow?
>
> Take a look at the (short) source code for "Dawn over the mountains":
> http://ozviz.wasp.uwa.edu.au/~pbourke/exhibition/scc4/final/

If I'd forgotten hollow, I wouldn't have got any sky effects at all - the sky
color is media. The issue is the radiosity, which isn't used in that "Dawn over
the mountains" image.


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