I got a similar situation and would like your advice:  I have an image_map
applied to a plane, of which I'd like to be able to view from either side.
Now even if I use the inverse, one of the sides will be the "inside" giving
the error message.  I tried adding: bounded_by { box { <0,0,0> <1,1,0> } },
but PovRAY gives the message this is unnecessary and removes it.  Ok, I
agree it should be unnecessary, but I was hoping it'd kill off the "inside"
aspect of the plane.

--Eric

Ken <tyl### [at] pacbellnet> wrote:
> "DaveS
> >
> > ...fog & participating media may not work as expected.
> >
> > Does anyone know why I get this error message? The camera is not inside
> > anything and I can't figure out whats wrong.
>
> If you are not using fog or media ignore the warning. You probably have
> a "plane" object in your scene and your camera is inside the normal of
> the plane. It could also be that you are using a sphere to mimic the sky
> which would also lead to that warning. In either case you can add the
> "inverse" keyword to the plane or sphere and that will get rid of that
> warning.
>
> --
> Ken Tyler

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