[OSM-talk] Generate polygons out of administrative Relations
Nic
osm at geoworld.de
Thu Dec 28 09:37:17 UTC 2017
Hello list,
I want to generate a polygon out of the different members/ways of an
administrative relation (e.g. Bundesland).
For that purpose I have loaded a pbf file via osmosis into a
postgresql/postgis database.
However it seem that the random order of relation members causes
trouble generating a "simplified" (st_linemerge) linestring suitable to
apply the st_makepolygon funktion to it.
Any recommendation how to properly generated a polygon from the
relation members?
Thanks
Nic
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