18 Jul
2011
18 Jul
'11
10:04 p.m.
Geoffrey,
depending on the specifics of your dataset, you may be best off making a covering grid for both datasets. If the covering grid is small enough to fit into memory, then you can do the rest by hand, as Britton suggests.
--
Stephen Skory
s@skory.us
http://stephenskory.com/
510.621.3687 (google voice)