Daniel Nilsson wrote:
> I don't think so because I have "collect off" on the sphere so there should
> be no photons at all there. Photons are only collected on the checkered
> plane.

Actually, it looks like a reflection of an object which is collecting
the photons, or perhaps some caustic effect being reflected.

-- 
Tim Cook
http://home.bellsouth.net/p/PWP-empyrean

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