Ari-Matti Leppanen wrote:

> The documentations says: 6.11.11.1 "..provides a way to replace the last
> term - the constant ambient light value - with a light level which is based
> on what surfaces are nearby..".


Which is the basic principle of any radiance engine.


> By that I would say that reflections don't affect the result so it's *not
> really* equivalent.


It does.  POV-Ray takes reflection of surfaces into account when taking
radiance samples.  I've done a test scene to check that.  IMO, we 
should, at least, have an option to disable it.

Fabien.

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