Le 18-03-31 à 06:49, Sven Littkowski a écrit :
> Hi, please have a look to the attached photo. It shows, here from orbit,
> the distant haze at the horizon that makes the horizon line less visible.
> 
> I am working on my 1850s Mississippi Paddle-Wheel Steamboat, and need
> such a horizon-affecting distant haze, too. But i tried ground fog and
> regular fog already, and did not achieve the desired effect.
> 
> Does anyone of us POV-Ray community citizens have some tricks that can
> do that? Maybe a huge torus with some sort of media in it? That would be
> my guess (I however have almost no clue how to create media). Doing it
> at the moment with Photoshop only...
> 
> 
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Using fog, you probably need to increase the distance parameter.

Otherwise, I'd use some atmospheric scattering media using the mie_haze 
or mie_murky model. You need to use a low density. A sample count of 3 
to 5 should be enough.

Don't forget to provide some actual back plane behind that fog or media. 
It can be a simple plane with pigment{rgbt 1}.

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