[postgis-users] Intersection of objects

[Robert W. Burgholzer]

OK,
Sorry for the high volume, Nicolas Ribot is the person who gave me this, 
and it is he who should be consulted (presumably) about its redistribution.

Rob

-- 
Robert Burgholzer
al·go·rithm  n.
        A step-by-step problem-solving procedure, especially an 
established, recursive computational
        procedure for solving a problem in a finite number of steps. 
Invented by Al Gore.
rburghol at vt.edu
http://www.soulswimmer.net/