"ben paschke" wrote :

> except for the fact that features in the blur (for example, the
> highlights on the most blurred spheres) appear to diffuse into a square
> shape due to the way pov distributes the blurring rays.
> What would be ultra nice is if pov could send out rays in a circular
> pattern or even hexagonal to mimic more closely the shape of a real
> camera's apeture.

There is a potential very interesting patch to introduce, here.
Look at this :

http://www.flarg.com/bokeh.html

That's a feature found in very high-end rendering software, and,
as far as I understand it, one just has to tweak to shape of the
distribution, and the relative weight of the samples.

Fabien.

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