On Thu, 18 Mar 1999 12:21:22 +0100, Markus Becker 
	<bec### [at] zessuni-siegende> wrote:
>Hi,
>
>am I to understand that photons are only shot by light_sources?
>Or does anyone have a tip to extend the photons to radiosity?

When you say radiosity, are you talking about the "box with no 
lights" thread from a while ago?  

Terminology nitpick: radiosity is a term for a specific global
illumination system.  Photon mapping is a term for a different
global illumination system.  If you're using a photon map, you 
probably shouldn't be using POV-Ray's "radiosity" features.

Perhaps you could get by with an area light.  That assumes that
the photon mapping patch works (correctly) with area lights, of
course.

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