Thanks for the details, Brian. Maybe I'll make this a summer project for myself.
eric On Fri, May 6, 2011 at 11:04 AM, Brian Quinion < [email protected]> wrote: > Hi Eric, > > Yes, nominatim uses house numbers from tiger as a fallback if the house > number is not found in the OSM data. > > The best way to improve the house number coverage is simply to add the > house number to openstreetmap itself, either as number ranges, or as nodes > or even as building polygons with numbers. Anything you add will be merged > into the data set. > > The same goes for fixing places where the tiger data is wrong - add the > correct location to OSM and it will be used in preference. > > -- > Brian > > On 6 May 2011 14:35, Eric Brelsford <[email protected]> wrote: > >> Hi, >> >> I recently experimented using Nominatim in Brooklyn, NY to geocode around >> 400 addresses with house numbers. For the most part, the results are very >> usable. However, some streets don't seem to have any house numbers >> associated with them. For example, where >> >> 212 5th Ave, Brooklyn, NY >> >> returns a useful lat/lon near that house number, >> >> 602 Livonia Ave, Brooklyn, NY >> >> does not--it returns a lat/lon near the center of Livonia Ave. >> >> >> I don't see any house numbers on either of these streets in OSM, so I'm >> wondering where they are coming from. Do they come from TIGER data? Either >> way, how can I help add house numbers for the streets that seem to be >> missing? >> >> thanks, >> >> eric >> >> _______________________________________________ >> Geocoding mailing list >> [email protected] >> http://lists.openstreetmap.org/listinfo/geocoding >> >> >
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