[postgis-users] Data cleaning options
davidtecher at yahoo.fr
Thu May 10 19:16:32 PDT 2007
Michael Welter a écrit :
For "Ring Self-Intersection" have a look at
In order to clean up your data as well, you could try QGIS, jump ou
openjump (I don't remember :( ) to clean up your data.
> I get a few "Self-intersection" and "Ring Self-intersection" on my
> polygons as well. What does this mean?
> Tim Keitt wrote:
>> Hi All,
>> I have a large collection of rather malformed polygons in postgis and
>> need to clean them somehow. Running isvalid() on the geometry column
>> gives many "Ring self-intersection" errors, some "Interior is
>> disconnected" errors and the always enjoyable "Too few points in
>> geometry component" error. What options are there for
>> cleaning/correcting polygons?
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