An example: given the coordinates of say 1000 cities in the USA, are there a few parameters which describe how they scatter / cluster,
C = clusterparams( cities )
which can then drive a random point generator
randomcities = randomgen( C )
clusterparams( randomcities ) ~ C
i.e. the random cities scatter/cluster "like" the real cities ?
In general, I have N points in (typically) R2 or R3, and want to generate synthetic data for kd* trees.