mntorrent nous apporta ses lumieres ainsi en ce 2004-09-24 18:42... :

> How does one specify the no_reflection option to a fog?
> I have a white, reflective plane with an object above it.
> In the background is a blue "wall" of fog (ground fog that is rotated).
> The shadow of the object on the white plane appears blue because the 
> plane is reflecting the blue fog "wall".
> I want the shadow to be gray as opposed to blue.
> I was advised in the irc.freenode.net #povray channel to use 
> no_reflection, but povray 3.6.1 complains when trying to use this in 
> the fog.
> In addition, object { fog { ... no_reflection } } causes an error 
> because fog is not an object, I guess... which is probably why it 
> doesn't accept the no_reflection option either.
>
> I was thinking of having a second, transparent plane slightly above
> the white, reflective plane that did not transmit blue light... but
> this would have the unintended consequence of filtering the
> blue light from the reflection of the object hoving above the plane too.
>
> Any suggestions?

You can replace your fog by a media filled box, the box been given the 
no_reflection. The render time may be longer.

Alain

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