Filter Nominatim results

Question

I want to implement an auto-complete search feature in my website, but it should only return municipalities (admin_level="8"). Is there a way to filter for this using the Nominatim API? Or should I use osmosis and cross-check the results?

E.g, 'Utrecht' returns the province, the city, etc, but I only want the municipality. http://nominatim.openstreetmap.org/search?q=utrecht&format=json&countrycodes=nl

If I have to use osmosis, how would I go about it?

Answer 1

I downloaded my country extract from Geofabrik. Then I ran the following osmosis command on the downloaded osm.pbf file:

$ osmosis --read-pbf file=netherlands.osm.pbf --bounding-box left=4 right=5 top=54 bottom=50 --way-key-value value keyValueList=admin_level.8 --tag-filter reject-nodes --tag-filter reject-relations --write-xml municipalities_nl.osm

Which generates an OSM XML file with all the municipality ways. Although I'd like the related polygons as well.

Filter Nominatim results

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