"Jim Holsenback" <jho### [at] hotmailcom> wrote in message 
news:487f99e7@news.povray.org

thanks everyone who has added to this thread! i've discoverd something that 
may lend to the discussion .....

my initial scene was correct but the problem that I was having had nothing 
to do with photon set up or geometry. after trial and error I think I solved 
a conflict with the emitter beam size (radius, falloff and tightness) and 
the global photon block parameter spacing. just as a reminder my inital 
problem was that light beam not appearing to be sent on to the target by the 
reflector object. I've hit on a compatable combination with those 
parameters, however the reflected beam still dosen't appear as sharp as the 
beam arriving at the mirror. I see where Alain has mentioned adding 
conserve_energy (multi beam cure) to the finish block on the reflector ..... 
I'm wondering if specular and roughness could help with the problem I'm 
seeing? I'll play around with that when I get a moment ..... in the mean 
time any additional input would be appreciated.

Cheers
Jim

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