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Administrative Divisions from Lat/Lng  XML
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FredZone



Joined: 25/05/2007 19:41:15
Messages: 4
Location: Boulder, CO USA
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Thanks for the great service. GeoNames is solving several problems for me, and I really like the fuzzy logic feature.

Question: What would be the recommended web service method for obtaining the hierarchy of administrative divisions that contain an arbitrary latitude and longitude?

The ws.geonames.org/hierarchy? service does exactly what I want, but it requires knowing a geonameId. I've tried getting one for something nearby using ws.geonames.org/findNearbyPlaceName? but my results are inconsistent. A "nearby place" might not be in the same jurisdiction, either. The same problem arises in trying to identify the appropriate postal code.
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marc



Joined: 08/12/2005 07:39:47
Messages: 3990
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For US addresses the finest granularity is with the find nearest address service :
http://www.geonames.org/maps/reverse-geocoder.html
It returns the hierarchy as attributes.

Global coverage (except for holes in GB) has the country subdivision dervice :
http://www.geonames.org/export/#countrysubdiv
though only for the first administrative division.

Marc

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