"Chris B" <nom### [at] nomailcom> wrote:
> The other thing to note is that even when you fix this, your algorithm still
> gives a cluster at the centre of the circle, but the reason for this is
> categorically mathematical :o)

This document has a couple solutions, right around pages 12-13 (not to mention a
lot of other useful stuff!):

http://www.cs.kuleuven.be/~phil/GI/

In short, to get around the problem use a random angle and a random radius, but
take the square root of the radius before you use it, i.e.:

translate <50*sqrt(rand(rnd_tree)),0,0>

 - Ricky

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