On Fri, May 25, 2012 at 08:38:44PM +1000, Luca Morandini wrote: > The issue has been solved by using ST_Union, but I still can't > fathom why entire polygons were dropped by ST_BuildArea when their > boundaries intersected..
ST_BuildArea expects input to be correctly noded. Failing that, the actual result is undefined. Passing the input trough ST_Union is a trick to obtain proper noding. --strk; ,------o-. | __/ | Delivering high quality PostGIS 2.0 ! | / 2.0 | http://strk.keybit.net - http://vizzuality.com `-o------' _______________________________________________ postgis-users mailing list postgis-users@postgis.refractions.net http://postgis.refractions.net/mailman/listinfo/postgis-users