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"Bill Pragnell" <bil### [at] hotmail com> schreef in bericht
news:web.43846a90996cb25c731f01d10@news.povray.org...
> Instead of using the normal sky_sphere, use a regular hollow sphere big
> enough to enclose your scene. Give it the required colour gradient and a
> partial transparency, ambient 1, diffuse 0. Put your moon outside the sky
> sphere, and the parts in shadow will then have the same colour as the
local
> sky. You might need to tweak the sky transparency and colour a bit - the
> colour gradient ends up being a little darker than on a regular
sky_sphere.
>
> This is exactly what I used in my ringworld scene to make the shadowed
arch
> areas sky-coloured. Sometimes I don't even bother using a colour gradient
> on the sky - a ground fog can usually produce the desired effect (this is
> of course similar to how sky gradients work in real life, too).
>
> Very easy once you've done it a couple of times!
>
Perfect!! Thanks a lot Bill!
Somehow, I never found the right moment to dig into this matter, there is
always something else to do :-)
This opens perspectives for all kind of scenes.
Thanks again!
Thomas
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