On Fri, Apr 27, 2012 at 5:02 PM, Ramiro Cosentino <ramaug...@gmail.com> wrote: > > > 2012/4/27 Serge Wroclawski <emac...@gmail.com> >> >> On Fri, Apr 27, 2012 at 9:00 AM, Ramiro Cosentino <ramaug...@gmail.com> >> wrote: >> > Hello list, >> > >> > I'm new to OSM and I love it! Not sure if this is the right list to post >> > about this >> > but here it goes: >> >> You'd probably be better off asking on the dev list. > > > Ok! Thanks for the tip, Serge! > >> >> > I'm doing is a mobile app with offline maps feature. >> > >> > There are a set of locations with their respective lon/lat already >> > stored on >> > the phone's DB >> > and I'd like to show the locations the user has near by. >> >> You say "locations the user has nearby" but I'm not sure what you mean >> by location. Do you mean a point of interest? A city? Something else? >> >> Can you explain what a "location" is in this context? > > > Yes, sure. What I mean is I have different pre-loaded locations > (restaurants, hotels, etc. ) already stored with their lon/lat > on the phone's database, and I'd like to show all of them which are in the > range of, let's say, 20 blocks > near the user's current location. > > I hope I was clearer this time.
Two things come to mind for me. First, the distance calculation does not require OSM. If you generalize 20 blocks or whatever as n-meters you can calculate crow-flies distance with only the lat-lons. Of course, if your want to route over roads (pedestrian paths) and calculate that distance, having the OSM data is really helpful. Second, if the phone has a list of POIs, I wonder if some of them should also be in the OpenStreetMap data base? Are these generally-interesting POIs or POIs that should not be included in OSM? _______________________________________________ talk mailing list talk@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk
