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ThomasG77/processing-townhalls-ign.sh

Created July 21, 2022 12:59
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Generation GeoJSON des mairies avec code INSEE
Raw
processing-townhalls-ign.sh
wget -N -P data/ http://files.opendatarchives.fr/professionnels.ign.fr/adminexpress/ADMIN-EXPRESS-COG_3-1__SHP__FRA_WM_2022-04-15.7z
cd data
7z e ADMIN-EXPRESS-COG_3-1__SHP__FRA_WM_2022-04-15.7z CHFLIEU_COMMUNE.* COMMUNE.* -r
ogr2ogr -overwrite \
-f GeoJSON \
-dialect SQLite \
-sql "SELECT \"INSEE_COM\", CASE WHEN chf.geometry IS NULL THEN 'c' ELSE 'm' END AS t, CASE WHEN chf.geometry IS NULL THEN PointOnSurface(\"COMMUNE\".geometry) ELSE chf.geometry END AS geometry FROM \"COMMUNE\" LEFT JOIN 'CHFLIEU_COMMUNE.shp'.\"CHFLIEU_COMMUNE\" chf ON chf.\"ID_COM\" = \"COMMUNE\".\"ID\"" \
chflieu_commune.geojson \
COMMUNE.shp \
-lco RFC7946=YES \
-lco WRITE_NAME=NO
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