> I'm creating a walkthrough by animating my camera.

If the scene isn't changing at all, then saving and loading radiosity data
is exactly what you want. The parts of the scene which were visible in the
previous frame will already have their radiosity set up, and the parts which
are newly visible will have their radiosity calculated. This avoids a lot of
recalculation, and areas that were visible in the last frame should be left
mostly unchanged.

> I know how to save my radiosity solution with
> save_file "file_name"
> but then how is this reloaded for each subsequent image rendered?

#if (frame_number > 0)
load_file "filename"
#end
save_file "filename"

I guess I should say that I've never tried this method, but in theory it
should work.

 - Slime
 [ http://www.slimeland.com/ ]

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