Margus Ramst wrote:
> 

> >
> > But whatever scattering mode I use, I never get the blue gradient
> > atmosphere seam along the horizon familiar from real images shot from
> > orbit...  can anyone here help me further?
> >
> 
> The correct scattering type for a (clear) atmosphere is probaby Raleigh
> (type 4). The atmosphere gets thinner at higher altitudes, so perhaps you should
> also simulate that (density with "onion" or "spherical" pattern). And for the
> amosphere to be blue, you obviously have to tweak the colour of emission,
> scattering, etc.

IRL, the blue comes from wavelength-dependent scattering. POV still
doesn't do this (although someone was working on a patch some months back).

Of course, you could try to fake it.

-Xplo

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