> when you use photons, you don't use caustics. caustics is a fast
> simulation that don't take the distance into consideration AND don't show
> outside the shadowed area. Also, you don't need the empty photons{} block
> in your light_source. Maybe it's what's turning your photons OFF... It's
> all ON by default. You need it if you DON'T want that light_source to emit
> photons: photons{refraction off reflection off}
> 

Ok I'll give that a try. Thanks for the hint!

-- 
Stefan

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