In article <3aabe409$1@news.povray.org> , "John M. Dlugosz" 
<joh### [at] dlugoszcom> wrote:

> What are "global photons", as in "Light sources can also generate global
> photons. To enable this feature, put the keyword global in the light
> source's photon block." ?

Using "global_photons" is not recommended right now (because they don't
work perfectly, they are kind of experimental).  For now you should only
use photons for individual objects as explained in the MegaPOV
documentation and sample files.  Doing so will assume compatibility of
your scene with POV-Ray 3.5.


      Thorsten


____________________________________________________
Thorsten Froehlich, Duisburg, Germany
e-mail: tho### [at] trfde

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