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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.

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.
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 ...
13
votes
2answers
8k views

What is the best way to do reverse geocoding with PostGIS?

Is there a way to do reverse geocoding with PostGIS? There's a lot of information on the Web but I found it very confusing... I have imported osm data into my own Postgres with PostGIS database. Now ...
12
votes
4answers
21k 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?
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'...
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 "...
9
votes
4answers
17k 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 ...
9
votes
5answers
22k 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 ...
7
votes
1answer
2k views

SQL Query to Reverse Geocoding in PostGIS

I try to do Reverse Geocode from my shapefile on the database. I'd already try with Spatialite and PostGIS to put shapefile (.shp) into it. But I'm still can't delivered my objection about reverse ...
6
votes
1answer
2k views

How to get around the 10-character limit when converting from kml to shp with ogr2ogr

I'm trying to create custom .shp files by drawing polygons on a new layer in Google Maps Engine, exporting that .kml file, and then converting that file to a .shp file with ogr2ogr. If I run a ...
6
votes
2answers
701 views

Comparing TIGERLine 2006 (and prior) With New Shapefile Format

I have created a geo database using MySQL and the TIGERLine data files available from the US Census. This is actually an MSSQL database I created that I've transfered to MySQL. Everything works ...
6
votes
5answers
2k views

Is there software that will do reverse geocoding to convert photographs' GPS locations to addresses?

I am using a standalone GPS tracker that produces GPX files and then clock-sync photos with it using Microsoft Pro Photo Tools. This works pretty well. But I was also using a feature of Pro Photo ...
5
votes
1answer
6k 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 ...
5
votes
3answers
1k views

Self hosted, highly accurate, address geocoding?

I'm working on an app that requires Rooftop level accuracy coupled with very high volumes. The client would prefer to self-host the solution which might not be a bad idea considering our volume 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 ...
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 ...
4
votes
3answers
4k views

Techniques for offline reverse geocoding on a mobile device?

I am working on a mobile mapping application (currently iOS, eventually Android) - and I am struggling with how to best support reverse geocoding from lat/long to Country/State without using an online ...
4
votes
1answer
1k views

Address or reverse geocode a point shapefile

I have a shapefile that contains points. I want to do a reverse geocode and give these points an address. Can someone please help me?
4
votes
2answers
875 views

Reverse geocoding using OSM data imported into PostGIS

I'm trying to reverse geocode some points using an OSM import into PostGIS. I imported the OSM data (for Denmark so all addresses should be avaialable) into PostGIS using osm2pgsql enabling "addr:...
4
votes
2answers
1k views

Seeking geocoding with advanced language support?

I'm building an address disambiguation page and I'm interested in having geocoding results returned in the local language of the country the result's in. For example, if I make a reverse geocoding ...
4
votes
1answer
276 views

military grid refrence system geocode reverse

I have lat/long and I get geocode like 34TCK9320739642 from mgrs geocode reverse in arcmap how can convert that to address (country.city.state)
4
votes
1answer
317 views

Given a known batch of mobile-obtained gps data with timestamps, what algorithms can be used to clean it?

I'm working on the backend for an iOS/Android app that collects locations every hour and syncs with the server every three hours. The mobile apps themselves are not under my control and so I can't ...
3
votes
2answers
802 views

Find parent place using nominatim

I have a locally hosted Nominatim service. I'm trying to reverse geocode a lat, lon to a place hierarchy. E.g. https://nominatim.openstreetmap.org/search.php?q=30.284780%2C+-97.738831&viewbox=-...
3
votes
2answers
2k views

Find country from GPS coordinates, offline using python

I'm aware that there are several similar questions already but I have been searching for days and not been able to solve my problem: All solutions I've found require GDAL, which I have not been able ...
3
votes
2answers
46 views

Inside/Outside Local Jurisdictions

Does anyone know of a software or service that can define whether a location is inside or outside of city and county jurisdictions? Our company is getting hit with huge tax audits because we did not ...
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 ...
3
votes
2answers
2k views

Geopy Error with Reverse Geocoding

I am using Geopy. I get following error for the code. I have using the same code as on https://code.google.com/p/geopy/wiki/ReverseGeocoding from geopy import geocoders g = geocoders.GeoNames() (...
3
votes
2answers
6k views

Offline geocoding and reverse geocoding for android

I'm developing an android application that cannot use internet and need to deal with maps and positioning. Download OpenStreetMaps data seens to be a good solution to access map information offline. ...
3
votes
1answer
113 views

Geocoding building with different entrances?

I am working on a routing map for a university campus. the routes are modeled and network analyst works fine. The problem: Many of these buildings have several entrances. Is there a way to geocode ...
3
votes
2answers
1k views

Table structure for a reverse geocoding database

I should start by saying that I do not have much experience with GIS so this question may be foolish. What I do have is a database for performing a lookup from a set of coordinates to find the ...
3
votes
0answers
724 views

Postgres OSM planet reverse geocoding

i'm building function for reverse geocoding in Postgres using PostGIS function's. For now i was able to clean up all the data that was useless to me(rivers, buildings,etc.). I got 3 tables(...
3
votes
1answer
216 views

How to extract zip code from reverse geocoding in PostGIS

I have a bunch of lat/lng coordinates that I can reverse geocode, after having installed PostGIS and the relevant Tiger files. I throw in a query like this: select reverse_geocode(ST_Point(lng, lat))...
2
votes
2answers
44 views

What is Mapzen QPS on reverse Geocoding

Doing some reverse geocoding for an application I am developping, but my qps seems capped at 1 qps. Is this a hard limit, or is there a way to circumvent that? I can't find any information on ...
2
votes
3answers
10k views

Local geolocation to FIPS county using Latitude and Longitude

I millions of lat,long pairs and I want to convert to FIPS county codes that match with the US census data. In the past I used the census block api but that is too slow for the amount of numbers that ...
2
votes
3answers
437 views

Given (lon,lat), how can I quickly retrieve the containing administrative region?

Given a coordinate (lon,lat), I'd like to retrieve the containing administrative region (state/province level) for an offline mobile application. The method employed needs to be fast/efficient. ...
2
votes
1answer
1k views

Reverse Geocoding - calculate every time, or store result in database?

Several questions, such as this one, discuss whether to store only lat/long in the database & calculate the street address every time it is needed, but they seem to miss a few points & seem to ...
2
votes
1answer
283 views

Finding closest street name from point using MMQGIS?

I got a list of points spread over a city and their coordinates. I'd like to find out the name of the closest address (or at least street) from each point. I downloaded the plugin MMQGIS which allow ...
2
votes
1answer
2k views

How to find nearest city using Geonames features codes

I've got about 300,000 lat/lng coordinates of events that I'm combining into a large map. The coordinates come from all over the world. For each point, I want to find the nearest city of at least XYZ ...
2
votes
1answer
6k views

Reverse geocoding to get city, state, country data separately?

I have longitude and latitude data. I need to reverse geocode to get city, state, country data separately. I have checked google service. Google provides complete address to a micro level. ...
2
votes
1answer
845 views

Openstreetmap Nominatim web service API - Result language

I notices something strange: When I execute simple request: https://nominatim.openstreetmap.org/reverse?format=xml&lat=45&lon=10&zoom=18&addressdetails=0 From the PC web browser for ...
2
votes
3answers
4k views

Get road type by coordinates

I need to do the following task: to retrieve the road type (highway, bridge, track, pedestrian and others) by coordinates, query a remote service (via HTTP). I'm looking at the different major ...
2
votes
2answers
1k views

Seeking Reverse Geocoding API?

I am working in a company where our team requirement is to do reverse geocoding lookups. Below is our requirement. To give you more background, the 3 geolocation-related needs I have are as follows: ...
2
votes
1answer
206 views

Getting ArcGIS geocoding service?

I want to doing geocoding with ArcGis geocoding service but I receive this error: How can I solve this problem ?
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 ...
2
votes
1answer
84 views

Addressing based on centrelines, or assigned at parcel creation?

I'm still pretty green when it comes to GIS and using ArcGIS products, so hopefully this question doesn't sound too dumb. I am just wondering what the best way to go about assigning addresses to ...
2
votes
1answer
301 views

I would like to reverse Geocode from the infowindow

I am just learning the ropes with CartoDB and am curious to know if this is possible. I have a CartoDB map with points and I am entering data into this map through the CartoDB editor. I would like ...
2
votes
2answers
567 views

How is Mapquest Nominatim Service's “routeWidth” search param implemented?

I was looking at MapQuest's Nominatim service, and it seems like they have a non-standard search parameter (doesn't seem to exist in standard Nominatim's list of params) that is the routeWidth. Any ...
2
votes
0answers
61 views

Reverse geocoding geographic features

I have a growing database of routes. Each route is represented by a polyline with say 200 points on average. What I'm trying to achieve is automatic tagging of these routes with names of places and ...
2
votes
0answers
1k views

Get list of cities within a bounding box

I need to find a web service that allows me to reverse-geocode but with a bounding box. In other words, I want to give the coordinates for a bounding box of latitude and longitude, and be provided ...
1
vote
2answers
9k 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?