Paul, No, I haven't tried PostGIS but I am looking into it. On that note, PostgreSQL itself has geometric types, operators and functions - are these separate from the PostGIS extensions? Keith Paul Ramsey wrote: > Keith Campbell wrote: > >> Does Mapserver provide support for the MySQL Spatial Extensions (R4.1)? > > > Not at the moment. Tried PostGIS (postgis.refractions.net)? > P >