[postgis-users] Data cleaning options
mike at telecommatters.net
Thu May 10 16:22:44 PDT 2007
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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