Xplo -

I think Andrew's observations are intriguing.  Would there be some way
to modify ra_gather to change error_bound depending on the intensity of
the "radiant diffuse" contribution at that point?


If that could be done instead of increasing nearest_count or (worse)
casting more rays per interaction by increasing count.


One other note.  There are three different switches you can use to
compile the radiosity code :

	SAW_METHOD, and SIGMOID_METHOD.

SAW_METHOD is normally used, but SIGMOID_METHOD is the smoothest and
more computationally expensive of the two.  I wonder if you could do
away with some of the blotchy-ness if the code was modified to use
SIGMOID_METHOD???

- Ben

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