Description

Various Python utilities that don't yet have a stable home.
See imports for dependencies.

quad_tree:  in-memory QuadTree class/functions for storing/finding points

cluster:  Classes for clustering of point sets (sped up via quad_tree)

rpy_cluster:  Sample that uses R clustering function from within Python

pg_import:  Classes to load csv file stream as points into PostGIS table
            (much faster than individually inserting rows)

tests:  Only partially complete.