[postgis-users] Get more polygon's exterior boundary

Obe, Regina robe.dnd at cityofboston.gov
Fri Mar 28 06:13:16 PDT 2008

Probably because its been more or less deprecated.  

For newer versions of PostGIS use ST_Union instead of geomunion. 

Hope that helps,

-----Original Message-----
From: postgis-users-bounces at postgis.refractions.net [mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of Kis János Tamás
Sent: Friday, March 28, 2008 4:51 AM
To: PostGIS Users Discussion
Subject: Re: [postgis-users] Get more polygon's exterior boundary

csütörtök 27 március 2008 14.51 dátummal "Nicolas Ribot" 
<nicky666 at gmail.com> ezt írta:
> ...
> (yours is not a valid polygon because of the (10,20) last
> coordinates pair in the first ring, if you wanted to express the
> union of all polygons).
> ...
It was a keyboard misstake... ;)

> ...
> select st_astext(geomunion(the_geom)) from try;
> ...
...and why I didn't see the "geomunion" function in the documentation?


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