> solve the problem.
>
> best regards from Osna
>
> Stephan
>
> >
> > -Ursprüngliche Nachricht-
> > Von: Michael Michaud [mailto:[EMAIL PROTECTED]
> > Gesendet am: Freitag, 29. August 2008 08:24
> > An: PostGIS Users Discussion
&g
pen Source Modeling Tools:
http://sourceforge.net/projects/npsource/
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of
Stephan Holl
Sent: Friday, August 29, 2008 4:35 AM
To: PostGIS Users Discussion
Cc: [EMAIL PROTECTED]
Subject: Re: [postgis-users] ST_Unioni
ools:
http://sourceforge.net/projects/npsource/
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Stephan Holl
Sent: Friday, August 29, 2008 4:35 AM
To: PostGIS Users Discussion
Cc: [EMAIL PROTECTED]
Subject: Re: [postgis-users] ST_Unioning invalid multipolygons
H
. Maybe this is
> the result of rounding problems and you don't have any chance to
> solve the problem.
best regards from Osna
Stephan
>
> -Ursprüngliche Nachricht-
> Von: Michael Michaud [mailto:[EMAIL PROTECTED]
> Gesendet am: Freitag, 29. August 2008
08 08:24
An: PostGIS Users Discussion
Betreff: Re: [postgis-users] ST_Unioning invalid multipolygons
David Jantzen a écrit :
> Hi again,
>
> I'm trying to ST_Union multipolygons from the Zillow neighborhood
data.
> When I do this I occasionally see:
>
> NOTICE: TopologyExcep
David Jantzen a écrit :
Hi again,
I'm trying to ST_Union multipolygons from the Zillow neighborhood data.
When I do this I occasionally see:
NOTICE: TopologyException: found non-noded intersection between
-73.812
This appears to be due to invalid geometries, as the following query
returns
Hi again,
I'm trying to ST_Union multipolygons from the Zillow neighborhood data.
When I do this I occasionally see:
NOTICE: TopologyException: found non-noded intersection between
-73.812
This appears to be due to invalid geometries, as the following query
returns over a hundred rows:
sel
