Mike Williams <nos### [at] econymdemoncouk> wrote:
> Wasn't it Charles C who wrote:
> >Warp <war### [at] tagpovrayorg> wrote:
> >> Ansgar <Tem### [at] gmxde> wrote:
> >> > I'd like to define a background colour that just paints the background in
> >> > the given colour but does *not* affect the scene, like being reflected in
> >> > mirror materials. Can it be done?
> >>
> >>   Well, you could put a large inverted sphere of the specified color and
> >> assign 'no_reflection' to it.
> >>
> >> --
> >>                                                           - Warp
> >
> >
> >You might also want ambient 1 on that large sphere to get the exact color.
> >You aren't using radiosity are you?  I'm not sure what Warp meant by
> >inverted.
>
> Use the inverse (or hollow) keyword, otherwise it affects things like
> media and fog.
>
> --
> Mike Williams
> Gentleman of Leisure



Ahh, got it.  I was distracted by thinking of a different kind of sphere
inversion - some interesting pictures somebody posted a couple months ago.
Charles

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