Nominatim uses OpenStreetMap data to find locations on Earth by name and address (geocoding). It can also do the reverse, find an address for any location on the planet.

This talk dives into the details of Nominatim, looking into both the general architecture of the software and the design decisions behind it, as well as the specific challenges of searching through a huge geographical database.

Oct 21, 2020 · The download server for Photon now offers ready-to-use database dumps for over 200 countries. Setting up your own geocoding server was never easier. Photon is a geocoding server software based on Nominatim. Photon takes the data from a Nominatim database and loads it into an ElasticSearch database.

The structured form of the search query allows to lookup up an address that is already split into its components. Each parameter represents a field of the address. All parameters are optional. You should only use the ones that are relevant for the address you want to geocode.

Reverse geocoding generates an address from a coordinate given as latitude and longitude. How it works 🔗 The reverse geocoding API does not exactly compute the address for the coordinate it receives.

Oct 25, 2023 · The SpatiaLite extension adds the spatial capabilities a geocoding database needs. SQLite can be quite efficient when used read-only, so this is what we target here: converting an existing Nominatim database into SQLite to …

Tuning the PostgreSQL database🔗 You might want to tune your PostgreSQL installation so that the later steps make best use of your hardware. You should tune the following parameters in your postgresql.conf file.

Nominatim provides geocoding based on OpenStreetMap data. It uses a PostgreSQL database as a backend for storing the data. There are three basic parts to Nominatim's architecture: the data import, the address computation and the search frontend.

Open source geocoding with OpenStreetMap data. Download Nominatim. You can download the latest development version from github. The latest release is 5.1.0.. For ...

Overview. This section describes the API V1 of the Nominatim web service. The service offers the following endpoints: /search - search OSM objects by name or type /reverse - search OSM object by their location /lookup - look up address details for OSM objects by their ID /status - query the status of the server /deletable - list objects that have been deleted in OSM but are held back in ...