[postgis-users] postgis-users Digest, Vol 104, Issue 18

[David Kaplan]

Hi,

Thanks a bunch to strk and Peter for their responses which explained a
bunch of things I never would have figured out on my own.  Paul Ramsey's
presentation was particularly useful.  ST_Buffer(0) seems to have fixed
the problem.

Cheers,
David

On Mon, 2010-12-20 at 12:00 -0800,
postgis-users-request at postgis.refractions.net wrote:
> Date: Mon, 20 Dec 2010 17:49:43 +0100 (CET)
> From: Peter Hopfgartner <peter.hopfgartner at r3-gis.com>
> Subject: Re: [postgis-users] what to do about TopologyExceptions
> To: David Kaplan <david.kaplan at ird.fr>
> Cc: postgis-users at postgis.refractions.net
> Message-ID: <20101220164943.807391678233 at mail.r3-gis.com>
> Content-Type: text/plain; charset="ISO-8859-1"
> 
> AFAIK there are slightly different definitions of valid polygon
> between shape files and PostGIS/Simple Features.
> Paul Ramsey had a talk on a number of tricks to correct those problems
> (and some more):
> http://2010.foss4g.org/presentations_show.php?id=3369.
> 
> Peter Hopfgartner
>  
> R3 GIS Srl - GmbH
> http://www.r3-gis.com
> 
> 
-- 
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David M. Kaplan
Charge de Recherche 1

Institut de Recherche pour le Developpement
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