dhis2-devs team mailing list archive

[Knut Staring <knutst@xxxxxxxxx>]

I should mention that this function is developed by Kappasys, which is
developing GIS infrastructure tools for the Solothurn Canton of
Switzerland. Just another testament to the power of PostGIS, which we
should integrate (in conjunction with Geoserver) in the future.

Knut

On Wed, Aug 25, 2010 at 9:36 AM, Knut Staring <knutst@xxxxxxxxx> wrote:
> Hello,
>
> For those working on GIS, I thought I'd share a very useful tool for
> repairing invalid topologies, such as self-intersecting polygons:
>
> For this, you can use the cleanGeometry function in PostGIS:
> http://www.sogis1.so.ch/sogis/dl/postgis/cleanGeometry.sql
>
> Example:
>
> update "UGA_adm1" set the_geom=cleanGeometry(the_geom)
>
> Knut
>



-- 
Cheers,
Knut Staring