[postgis-users] Merge rectangles

Paragon Corporation lr at pcorp.us
Thu Aug 16 12:03:16 PDT 2012

Correct it will dissolve overlapping regions, though you still may end up
with multipolygons if you have islands of polygons.


-----Original Message-----
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of DrYSG
Sent: Thursday, August 16, 2012 2:59 PM
To: postgis-users at postgis.refractions.net
Subject: Re: [postgis-users] Merge rectangles

Sorry, the LIMIT was for testing purposes (since there might be a few
hundred to thousand) polygons in the return set. 

What I am hoping is that the UNION will simplify the resulting polygon as
much as possible (just the ourside boundary). 

Is that correct? (given that there are no holes).

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