[postgis-users] Address for a given lat/Lon

[Stefan Keller]

2017-04-03 0:23 GMT+02:00 Luiz Andrade <lcoandrade at gmail.com>:
> I would suggest use OSM’s Nominatim geocoding service…

Right but given 100 million+ records this free service is surely
overloaded. So I strongly recommend to install Nominatim locally (e.g.
docker).

Assuming your records are covering many countries and you don't want
to pay for an API (G*, Bing, Mapbox, OpenGeoCage), I can also propose
our OSMNames.org project (I'm one of the initiators, pull requests are
welcome). This free dataset requires an own geocoder SW, like Sphinx -
or even PostGIS. But it's only down to street name level. You have to
wait until 3Q for building address level.

:Stefan


2017-04-03 0:23 GMT+02:00 Luiz Andrade <lcoandrade at gmail.com>:
> I would suggest use OSM’s Nominatim geocoding service…
> Take a look here:
> http://wiki.openstreetmap.org/wiki/Nominatim#Reverse_Geocoding
>
> Regards,
> Luiz Claudio
>
>
>
>
> Em 2 de abr de 2017, à(s) 19:16, suraj birla <surajbirla at gmail.com>
> escreveu:
>
> Hi ,
> I've a requirement to get the address ( country, state/provinces, postal
> code) for a given lat/lon. I need to this for 100 million+ records.
>
> I'm planning to do this in 3 phases
> First find the country using world polygon
> Second find the state/provinces for the identified country
> Postal code ???
>
> Question.
> 1.Whether my approach is correct?
> 2. Where can I find the polygon for the world map by country.
> 3. How I can find postal code ?
>
> Thanks
> Suraj
>
>
>
>
>
>
>
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