temiz a écrit :
I was wondering if anyone told me what the difference between envolope and extent was ?these give same results on polygons
Extent() is an aggregate function while Envelope() is not. You can use Extent() to get the bounding box of a query result for instance. Regards -- Arnaud _______________________________________________ postgis-users mailing list [email protected] http://postgis.refractions.net/mailman/listinfo/postgis-users
