3.0.3 is the latest stable -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Mark Mitchell Sent: Thursday, January 15, 2009 2:38 PM To: [email protected] Subject: [postgis-users] Re: st_union exception
It is an older version of PostGIS/GEOS (1.3.3 and 2.2.3) -- which version of GEOS are you using? -Mark > Is this an older version of PostGIS/GEOS? I believe that most of these > kinds of problems were addressed in a release of GEOS last year. > > Mark Mitchell wrote: > > Anyone get an error similar to this when unioning a bunch of polygons > > with st_union? > > > > NOTICE: TopologyException: no outgoing dirEdge found (-149.073,61.6101,61.6101) > > ERROR: GEOS union() threw an error! > > > > I must say before I get into the details only a few of you will read > > that portion that I've used postgis for a while now (since 1.1.5) and > > it is *PHENOMENAL*. I don't want my only posts to this list in that > > time frame to be negative -- can't tell you how much > > faster/better/intuitive I've found postgis over very expensive > > commercial alternatives :-). > > > > > > My query is similar to the following: > > > > SELECT st_multi(st_union(poly)) from (select ... (a bunch of polys) ... ) a; > > > > The subselect is operating on a fairly dynamic table, and I've gone > > months without any problems (with many different sets of polygons too) > > > > I tried st_isvalid() on all polygons returned from the subselect, and > > all are valid, and are all non-null... > > If I have duplicate (or close to duplicate) polygons returned, is that > > going to potentially screw up st_union()? > > > > > > I'm running Ubuntu server (x64) 8.04 LTS, and am using the packages > > for GEOS and postgis from their universe repo: > > > > postgis 1.3.3 > > libgeos 2.2.3 > > > > (postgresql 8.3) > > > > > > Thanks for the help! > > > > -Mark > > _______________________________________________ > > postgis-users mailing list > > [email protected] > > http://postgis.refractions.net/mailman/listinfo/postgis-users > > > > > > -- > Martin Davis > Senior Technical Architect > Refractions Research, Inc. > (250) 383-3022 _______________________________________________ postgis-users mailing list [email protected] http://postgis.refractions.net/mailman/listinfo/postgis-users ----------------------------------------- The substance of this message, including any attachments, may be confidential, legally privileged and/or exempt from disclosure pursuant to Massachusetts law. It is intended solely for the addressee. If you received this in error, please contact the sender and delete the material from any computer. _______________________________________________ postgis-users mailing list [email protected] http://postgis.refractions.net/mailman/listinfo/postgis-users
