Hi,
  I am wondering what the stipulation is for a media photon to be deposited
within a media.  In particular if I have a light source and it illuminates
some media and then hits a surface, like a floor, why are no media photons
stored?  An example of this would be the "media1.pov" example file given in
the example scenes.  There are three spotlights illuminating a sphere with
media surrounding it.  But no media photons are actually stored.

Thanks for any insight!

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