> I am not sure what you measure in that graph but when i talk about 'cosine
> theta distribution' i mean the density of the samples (i.e. the inverse of
> the mean distance between samples).  Of course there are very few samples
> at small theta because the region of the hemisphere with small theta is
> small - none the less the density is high.

ok, i understand, if I divide by the area for a theta, I will get the
cos(theta) distribution
this is more clear now :)

M

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