Server application for reverse geocoding (address -> coordinates) on OpenStreetMap data.
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Nominatim (from the Latin, 'by name') is a tool to search OpenStreetMap data by name and address (geocoding) and to generate synthetic addresses of OSM points (reverse geocoding). An instance with up-to-date data can be found at https://nominatim.openstreetmap.org. Nominatim is also used as one of the sources for the Search box on the OpenStreetMap home page.
The documentation of the latest development version is in the
docs/
subdirectory. A HTML version can be found at
https://nominatim.org/release-docs/develop/ .
The latest stable release can be downloaded from https://nominatim.org. There you can also find installation instructions for the release, as well as an extensive Troubleshooting/FAQ section.
Detailed installation instructions for current master can be found at nominatim.org as well.
A quick summary of the necessary steps:
Compile Nominatim:
mkdir build
cd build
cmake ..
make
sudo make install
Create a project directory, get OSM data and import:
mkdir nominatim-project
cd nominatim-project
nominatim import --osm-file <your planet file>
Point your webserver to the nominatim-project/website directory.
The source code is available under a GPLv2 license.
Contributions, bugreport and pull requests are welcome. For details see contribution guide.
For questions, community help and discussions you can use the Github discussions forum or join the geocoding mailing list.
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