[GraphHopper] How to read (Names + Latitude/Longitude) from graph data?

Muhammad Babar rajababar.android at gmail.com
Mon Jan 5 08:35:55 UTC 2015


Hi Peter,

Happy 2015, i was looking for offline data that's why i thought may be the
graph data have that information of address and their coordinates.

Please do suggest more if you know anything better. After my research i
came to know i can download database of address and their coordinates from
osm or geonames. Then i can convert it to sqlite and use in my app.

Regards
Muhammad Babar

On Mon, Jan 5, 2015 at 1:20 AM, Peter <graphhopper at gmx.de> wrote:

>  On 03.01.2015 13:30, Emux wrote:
>
> AFAIK web and mobile maps use the Web Mercator (EPSG:3857)
> <http://en.wikipedia.org/wiki/Web_Mercator> projection for rendering
> their tiles.
>
> How you put information on top is something different and that is
> accomplished with the much easier to handle WGS84 (EPSG:4326)
> <http://en.wikipedia.org/wiki/World_Geodetic_System>.
> e.g. in Mapsforge (like in other map libs) you put overlays on the map
> using with lat, long coordinates.
>
> Also like Philip mentioned, for OSM geocoding you can use web services
> like Nominatim <http://wiki.openstreetmap.org/wiki/Nominatim> and/or
> Gisgraphy <http://www.gisgraphy.com/>.
>
>
> There is also photon from komoot (based on nominatim) and pelias from
> mapzen
>
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>
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