"Alain" <ele### [at] netscapenet> schreef in bericht
news:43e62e16$1@news.povray.org...
> >
> Fog can't be contained in a container, it fill the entire scene. Some
solutions:
> - Use a large distance value, something like 1000 or more. That way, the
fog's effect can be
> minimised to a negligeable level close by.
> - Use a ground fog, but have the up vector been horizontal. Use a large
negative value for the
> altitude. You may need to use several fogs to surround the scene.
> - Use a hollow torus with a very large main radius, say 10000 or more, and
fill it with media.
>
....or use a vertical, transparant plane with normal pointing away from
camera. Do *not* make it hollow. The fog will only be present on the
normal-side of the plane.

... You may be able to contain a fog in a container by using inverse.

Thomas

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