"Xplo Eristotle" <xpl### [at] infomagicnet> wrote in news:3d861bc0@news.povray.org
> Thies Heidecke wrote:
>  >
> > What gives me headaches at the moment is the colouring-aspect.
> > In nature, the sky color depends on the position of the sun, because
> > the different wavelengths get scattered differently, but as povray
> > doesn't simulates this effect i have to fake it somehow...
> > Perhaps someone has a good idea to achieve this or how to improve
> > this scene in another way.
>
> I suppose you could use several atmospheric media, each one attuned to a
> different RGB value to simulate a frequency-dependent effect.. but the
> scenes would be horribly slow to render.
hmm, thanks for the idea, that would be a way to do it, but i don't know
if i can realize this in the near future. I'll try to get some research-
papers about the topic and then decide if it's feasible for me.

> ISTR that someone was working on frequency-dependent scattering a long
> while back, but I don't remember if the work was ever finished, and if
> so, it wasn't incorporated into the Megapatch or 3.5.
That would be interesting! Any links perhaps?

> -Xplo
Greetings,
Thies

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