2021-10-12 22:25:13 +03:00
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# Installing TIGER housenumber data for the US
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Nominatim is able to use the official [TIGER](https://www.census.gov/geographies/mapping-files/time-series/geo/tiger-line-file.html)
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address set to complement the OSM house number data in the US. You can add
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TIGER data to your own Nominatim instance by following these steps. The
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entire US adds about 10GB to your database.
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2022-10-04 15:19:36 +03:00
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1. Get preprocessed TIGER data:
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cd $PROJECT_DIR
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wget https://nominatim.org/data/tiger-nominatim-preprocessed-latest.csv.tar.gz
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2. Import the data into your Nominatim database:
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2022-10-04 15:19:36 +03:00
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nominatim add-data --tiger-data tiger-nominatim-preprocessed-latest.csv.tar.gz
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2021-10-12 22:25:13 +03:00
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2022-11-08 16:40:43 +03:00
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3. Enable use of the Tiger data in your existing `.env` file by adding:
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2021-10-12 22:25:13 +03:00
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echo NOMINATIM_USE_US_TIGER_DATA=yes >> .env
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4. Apply the new settings:
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2022-11-08 16:40:43 +03:00
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nominatim refresh --functions --website
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2021-10-12 22:25:13 +03:00
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See the [TIGER-data project](https://github.com/osm-search/TIGER-data) for more
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information on how the data got preprocessed.
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