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I am building a Nominatim server which will serve as reverse geocoding api server. Only city/state(province)/country information are required in the api result. The street/road level information are not required.

For example, the server will give result: http://localhost/nominatim/reverse?lat=43.815031&lon=-79.716834

{ city:Brampton; state:Ontario; country:Canada }

I would like to use osmosis to filter the data before I import the whole planet data. What command line should I use for this purpose? How about the one below? Thank you.

filter relations by administrative

osmosis --read-pbf planet-latest.osm.pbf --tf accept-relations boundary=administrative --used-way --used-node --lp --write-pbf import1.osm.pbf

filter ways by administrative

osmosis --read-pbf planet-latest.osm.pbf --tf accept-ways boundary=administrative --used-node --tf reject-relations --lp --write-pbf import2.osm.pbf

merge all files together

osmosis --read-pbf import1.osm.pbf --read-pbf import2.osm.pbf --merge --write-pbf import.osm.pbf

This question is marked "community wiki".

asked 23 Nov '16, 18:48

CQG's gravatar image

accept rate: 0%

edited 23 Nov '16, 19:43

You should also include all nodes/relations with the place tag because in countries with less coverage cities are often just nodes without boundaries. Not all values are interesting, try 'state','county','district','city','territorial','town','island'

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answered 24 Nov '16, 11:08

mtmail's gravatar image

accept rate: 27%

Good point. Thank you so much.

(24 Nov '16, 15:54) CQG

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question asked: 23 Nov '16, 18:48

question was seen: 3,197 times

last updated: 24 Nov '16, 15:54

NOTICE: is no longer in use from 1st March 2024. Please use the OpenStreetMap Community Forum