and union{light_group{} hollow}
or
#declare LGHT=light_group{};
#objectc{LGHT hollow}


have you try thoese ???





news:45360988$1@news.povray.org...
> I have a scene with several large spheres each of which is hollow and a
> camera inside the spheres. Ground fog works normally - no problem.
>
> As soon as I place two of the spheres into a light_group I get the camera
> inside non-hollow object warning and, of course, my ground fog disappears.
> Gah!!
>
> You can't use hollow as a modifier in a light_group so is there a
> work-around that might help me get my ground fog back?
>
> John
>
> -- 
> "Please refrain from fondling the nymphs and sprites
> - it makes them giggly and skittish.
> Thank you for your co-operation.
> The Management"
>
>

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