Hi,

look at
http://news.povray.org/povray.binaries.images/thread/%3C43236855@news.povray.org%3E/?ttop=218917&toff=50
..
In this thread you find a related topic to your problem.

Norbert Kern



"Troya" <nomail@nomail> wrote:
> Hi all,
>
> I have an object that takes a lot of time to parse, so I only want to load
> into the scene when the object shadow and the object itself is in the view
> of the camera.
> how I check if the object is going to be in the camera view?
> load the object when is needed and dropit when is not.
>
> Thanks
> Oscar

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