If you want to use media, try the following,

-use a container object for the media: this will allow you to control the
depth of the haze and I think it is faster than uncontained media.

- discard the sky_sphere: if the media is properly scaled it should not only
give a blueish cast to distant (dark) objects, but also provide the blue sky
color (against a black background). Here is where a container object can be
useful - a small media "depth" overhead and a greater "depth" at the horizon
can provide a nice color gradient.

- try using method 2 if you can get away with it, an set the sampling as low
as possible while still retaining image quality.

- also remember, lighter objects will generally tend towards red instead of
blue with distance. Absorption media would work here.

Abe




"Torsten Crass" <tor### [at] eBiologyde> wrote in message
news:3f01b1f7$1@news.povray.org...
> Hi there!
>
> Any idea how one can create a realistically looking blue-ish haze
> affecting far-away objects? I've been fiddling around for a while trying
> various kinds of scattering media - with the effect that the sky_sphere
> virtually always turned completely white.
>
> Thank you in advance -
>
> Torsten
>

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