On 2019-09-15 09:50, David Ankin wrote:
Hello all,
I was hoping to hear what worked for other folks who were trying to get
a local nominatim instance installed for house number level geocoding in
the US (or, in my case, a particular state). I setup 3.3 nominatim by
checking out from the branch, and downloading PA excerpt from planet.osm
from geofabrik, and used import-full.style.
The end result for me was that i could look up streets, but not house
numbers. some house numbers were present, but most houses were missing.
I am trying to import TIGER data next, to see if that works. But it
really should be in the regular planet file, in theory, right? without
having to rely on an out-of-band data source.
TIGER roads and boundaries have been systematically imported into OSM,
but TIGER addresses (house numbers) have not. To the extent OSM contains
any addresses in Pennsylvania, they were either entered manually or
imported separately (possibly from TIGER but much more likely from
another government source).
Local mapping communities across the U.S. are working on imports that
will eventually improve address coverage. In the meantime, I've heard
that the main Nominatim instance does pull in address ranges from TIGER
as a fallback. You might also take a look at pulling in data from
OpenAddresses <https://openaddresses.io/>.
--
m...@nguyen.cincinnati.oh.us
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