Questions tagged [reverse-geocoding]

The process of converting coordinates (latitude, longitude) into human readable names of locations, such as an address (perhaps partial) or other brief descriptive text.

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22
votes
7answers
11k views

Choosing GeoCoding service?

I'm looking for a web service providing a full address based on coordinates (and reverse). I'm ready to pay for that service. I don't want to use Google's API.
10
votes
4answers
18k views

API to reverse geocode latitude, longitude to census tract?

I have a bunch of latitude,longitude coordinates (mostly city/town centroids) in the United States for which I'd like to find the containing census tract. For instance, input => nn.nnn, -nn.nnn ...
11
votes
1answer
3k views

Reverse Geocoding Libraries

I'm new to GIS and mapping services. Can anyone tell me what my options are for reverse-geocoding libraries, other than nominatim? I'm most likely going to be working with OpenStreetMap data. So I'...
2
votes
3answers
11k views

Complete list of UK postcodes plus their city, county, uk country

Is there a free data set of all current UK postcodes (about 1.7 million-ish) plus their city name, county and UK country (e.g. Liverpool, Merseyside, England) and ideally lat, long, east, northings?
22
votes
1answer
5k views

Comparison of geocoding solutions (such as Gisgraphy & PostGIS 2.0) [closed]

As I am sure many of you are aware, PostGIS has finally released Version 2.0 and included within this version they have also built a geocoder (see: http://postgis.net/docs/Extras.html). Although I ...
12
votes
4answers
22k views

Looking for ZIP+4 boundaries

I know where to find 5-digit ZIP code boundaries. Do 9-digit ZIP code boundaries exist? If so, where might I find them?
9
votes
5answers
23k views

Getting polygons of all countries and ISO-3166-2 subdivisons

In order to do reverse geocoding lookups to find a country (as ISO-3166-1) and the subdivision (as ISO-3166-2) for given coordinates I am looking for a way to get all polygons of all countries and ...
5
votes
1answer
8k views

Finding out if coordinate is within shapefile (.shp) using pyshp?

I'm trying to map coordinate data to a municipality. Reverse geocoders aren't as accurate as I need them to be (I was using geocoder pkg before), so I found a .shp that maps and names all the ...
4
votes
3answers
8k views

Free application or web service for reverse geocoding

I'm looking for a fast and free web service or local application (this it would be better, a local service with database of street, numbers, city, etc.) for reverse geocoding. I could use google but ...
10
votes
2answers
7k views

How to reverse geocode with ArcMap?

What steps to I have to take in ArcMap (ArcEditor) to input a lat / long and return nearest address? I found the Reverse Geocode tool but I can't figure out what to put in the "Input Features" and "...
4
votes
2answers
1k views

What is reverse geocoding?

I am the developper of gisgraphy. I plan to update my reverse geocoding service to house numbers (it was only for streets). Understanding what reverse geocoding is seems very simple and wikipedia ...
1
vote
1answer
537 views

Is it possible to create a geocoding and reverse geocoding service based on the shapefiles data

We have some shapefile data and we have export to them to a MySQL table. The table have these columns: id name description fulladdress code lng lat ... Now I wonder if it is possible to create a ...
3
votes
1answer
1k views

Reverse geocoding Nominatim results?

I need to obtain street intersections from reverse geocoded lat/long, where there is no house number information. I have a tile server and Nominatim running in Ubuntu 12.04 virtualbox. I followed ...
2
votes
1answer
1k views

Reverse Geocode latitude longitude with Geotools using Natural Earth Shapefiles in Java

I am trying to perform reverse geocoding in Java using GeoTools and Natural Earth Shapefiles. I just want to pass latitude longitude and get the corresponding country name + state name. I have ...
1
vote
1answer
983 views

Reverse Geocode for Android

I am new to arcgis for android. I practice using Geocode and reverse geocode. I use sample Place Search from Esri, but i also want to add Reverse Geocode in it so that after a user put in the address ...
1
vote
1answer
319 views

How to uniquely define a shortened address? (geocoding) [closed]

I've searched for existing concepts to define shortened addresses, but didn't find anything yet that fits my needs. For an example, I have to define object locations for say desks, where desks are ...