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19 lines
813 B
19 lines
813 B
import sqlite3
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conn = sqlite3.connect('eu-londoners.db')
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# Lead the spatialite extension:
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conn.enable_load_extension(True)
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conn.load_extension('/usr/local/lib/mod_spatialite.dylib')
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# Initialize spatial metadata for this database:
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conn.execute('select InitSpatialMetadata(1)')
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# Add a geometry column called point_geom to our table:
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conn.execute("SELECT AddGeometryColumn('eu-londoners', 'point_geom', 4326, 'POINT', 2);")
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# Now update that geometry column with the lat/lon points
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conn.execute('''
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UPDATE [eu-londoners] SET
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point_geom = GeomFromText('POINT('||"longitude"||' '||"latitude"||')',4326);
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''')
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# Now add a spatial index to that column
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conn.execute('select CreateSpatialIndex("eu-londoners", "point_geom");')
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# If you don't commit your changes will not be persisted:
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conn.commit()
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conn.close()
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