news: 3d6fb27b@news.povray.org...
> The test I was talking about has not been posted anywhere, it was just a
> test I did for myself while developing my macro. It involved an 11mb mesh
> with variable reflection, and a large red sphere, also with variable
> reflection.

While the combination of reflection and radiosity explains much of the
render time, a scene containing 2 of the simplest, fastest-rendering objects
(*) in POV-Ray hardly qualifies as a good scene to test lighting issues,
particularly with regard to the speed issue, which is a fundamental factor
here.
I suggest that you test your solution (if you haven't done so yet - I may
not have read all the posts in this thread) on the benchmark scene, which
uses area_lights, and report the results here.

G.

 (*) unless your mesh textures involves transparency and superposed layers
of polys, like some Poser hair

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