Thanks a lot for your tips :)

Marc


web.3e8c22222831a9513f8e7b2e0@news.povray.org...
> Marc Jacquier wrote:
> >Very nice
> >You are using different scattering types for each media aren't you?
> >
>
> The media types are as follows:
>
> atmospheric scattering - scattering media (type 4)and no extinction.
> Although this is usually quite strongly blue, it needed to be tempered for
> sunset colors.
>
> atmospheric absorption - absorption media. The absorption color is
> predominantly blue (or conversely very low in the orange). This
complements
> the blue scattering, but is not locked to it like extinction.
>
> haze - a media fog formula comprised of absorption and scattering (type 1)
> media.
> Better to explain it by example.
>
> #declare haze_thickness=.03;
> #declare haze_lightness=.7;
> media{
>    scattering {1 rgb haze_thickness*haze_lightness/10 extinction 0}
>    absorption rgb haze_thickness/10
>    method 2 intervals 2 samples 6,6
> }
>
> Briefly, haze_thickness controls the overall intensity of the effect and
> haze_lightness controls how light or dark the haze is. I call it haze, but
> it makes a decent fog which responds well to light beams.
>
> Thats about it.
>
> Abe
>
>
>
>
>

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