I raised the issue of Canadian post code support some time ago and some changes appear to have been made to Nominatim to use a North American site for Canadian post code and I think for the full US postal services Zip code.
Try a long US zip code and see what happens. Cheerio John On 30 December 2010 15:33, Richard Welty <[email protected]> wrote: > [this got no response on talk-us, so i'm trying talk] > > i'm trying to understand some of what's going on with Nominatim and > US places. > > specifically, in trying to look up a local road name here in NY, i'm > curious > about why Nominatim does what it does, and whether there are changes > that need to be made in the map data, or changes perhaps in how Nominatim > interprets the map data. > > the specific example i'm using here is Biittig Road in the Town of Sand > Lake, > NY: > > http://www.openstreetmap.org/?lat=42.61507&lon=-73.59512&zoom=15&layers=M > > postal addresses on Biittig will be in Averill Park, NY. this is how a > normal > user would probably try to look it up. it fails. > > what works are either of these two strings: "Biittig Road, NY" and > "Biittig Road, Sliters, NY" > > Sliters is a tiny unincorporated hamlet a mile or so south of Biittig Road, > and it > is probably the nearest such from the gnis import. it's not really correct > for any > postal addressed based lookups, and i think very few would ever try to look > it up > that way. they'll try "Biittig Road, Averill Park, NY" get nothing and > decide the > whole thing sucks. we should probably attempt to provide a slightly better > user experience. > > the displayed results from Nominatim are curious as well: > > Unclassified Road Biittig Road, Sliters, Saratoga, 12018, ニューヨーク州, United > States of > America<http://www.openstreetmap.org/?minlon=-73.6051635742188&minlat=42.612548828125&maxlon=-73.5850830078125&maxlat=42.6175994873047> > > I'm not at all clear on why Saratoga is showing up at all. Saratoga County > is a bit > north and west of here; Biittig Road is in Rensselaer County (note that i > did just > fix some county border issues with Rensselaer County, it was mislabled > Franklin County when it was imported, and the admin_level was missing > from one segment. i need to go look at the eastern border with > Massachusetts, > i think that's wrong for Rensselaer County as well. i did these lookups > before i > made the corrections, and i don't know how rapidly changes like this impact > Nominatim.) > > can someone involved in the Nominatim comment on this, and what needs to be > done either on the map data side or the Nominatim side to get results that > are more consistent with what an ordinary user-off-the-street might be > expecting? > > richard > > > _______________________________________________ > talk mailing list > [email protected] > http://lists.openstreetmap.org/listinfo/talk > >
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