[postgis-users] Overlapping of polygons with SimplifyPreserveTopology

[Paolo Corti]

On Tue, Dec 10, 2013 at 7:00 AM, Paolo Cavallini <cavallini at faunalia.it> wrote:
>
> Hi Luca,
> you really need to use full topology for this.
> ST_SimplifyPreserveTopology simply prevents topological errors, it
> does not guarantee sharing of nodes etc.
> Good luck.
>

Exactly.

So, two ways to go with this, so far:

* use the PostGIS topology model
* use GRASS, if your workflow let you move data in and out to the GRASS db

cheers
p

-- 
Paolo Corti
Geospatial software developer
web: http://www.paolocorti.net
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