119 lines
5.9 KiB
SQL
119 lines
5.9 KiB
SQL
---- Subdivide France and Norway into subregions ----
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--- Assumes fresh NaturalEarth admin0 dataset
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-- Split French Guiane from France
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INSERT INTO ne_admin0_v3 (the_geom, adm0_a3, name)
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WITH a AS (SELECT (ST_Dump(the_geom)).geom geom,adm0_a3 FROM ne_admin0_v3 WHERE ST_Intersects(the_geom, CDB_LatLNg(4, -53)))
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SELECT ST_Collect(geom), 'GUF', 'French Guiane' FROM a WHERE ST_Intersects(geom, ST_Buffer(CDB_LatLNg(4, -53), 8));
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-- Split Reunion from France
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INSERT INTO ne_admin0_v3 (the_geom, adm0_a3, name)
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WITH a AS (SELECT (ST_Dump(the_geom)).geom geom,adm0_a3 FROM ne_admin0_v3 WHERE ST_Intersects(the_geom, CDB_LatLNg(-21.12, 55.51)))
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SELECT ST_Collect(geom), 'REU', 'Reunion' FROM a WHERE ST_Intersects(geom, ST_Buffer(CDB_LatLNg(-21.12, 55.51),2));
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-- Remove the above three from the FRA polygon
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WITH a AS (SELECT (ST_Dump(the_geom)).geom geom FROM ne_admin0_v3 WHERE adm0_a3 = 'FRA')
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UPDATE ne_admin0_v3 SET the_geom = (SELECT ST_Union(geom) FROM a WHERE NOT ST_intersects(geom, (SELECT ST_Union(the_geom) FROM ne_admin0_v3 WHERE adm0_a3 IN ('GUF', 'REU')))) WHERE adm0_a3 = 'FRA';
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-- Split Martinique from France
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INSERT INTO ne_admin0_v3 (the_geom, adm0_a3, name)
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WITH a AS (SELECT (ST_Dump(the_geom)).geom geom,adm0_a3 FROM ne_admin0_v3 WHERE ST_Intersects(the_geom, CDB_LatLNg(14.60, -60.89)))
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SELECT ST_Collect(geom), 'MTQ', 'Martinique' FROM a WHERE ST_Intersects(geom, ST_Buffer(CDB_LatLNg(14.60, -60.89),0.5));
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-- Split Mayotte from France
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INSERT INTO ne_admin0_v3 (the_geom, adm0_a3, name)
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WITH a AS (SELECT (ST_Dump(the_geom)).geom geom,adm0_a3 FROM ne_admin0_v3 WHERE ST_Intersects(the_geom, CDB_LatLNg(-12.72, 45.18)))
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SELECT ST_Collect(geom), 'MYT', 'Mayotte' FROM a WHERE ST_Intersects(geom, ST_Buffer(CDB_LatLNg(-12.72, 45.18),0.5));
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-- Split Guadeloupe from France
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INSERT INTO ne_admin0_v3 (the_geom, adm0_a3, name)
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WITH a AS (SELECT (ST_Dump(the_geom)).geom geom,adm0_a3 FROM ne_admin0_v3 WHERE ST_Intersects(the_geom, CDB_LatLNg(15.95, -61.30)))
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SELECT ST_Collect(geom), 'GLP', 'Guadeloupe' FROM a WHERE ST_Intersects(geom, ST_Buffer(CDB_LatLNg(15.95, -61.30),0.5));
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-- Remove the Martinique and Mayotte from the FRA polygon
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WITH a AS (SELECT (ST_Dump(the_geom)).geom geom FROM ne_admin0_v3 WHERE adm0_a3 = 'FRA')
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UPDATE ne_admin0_v3 SET the_geom = (SELECT ST_Union(geom) FROM a WHERE NOT ST_intersects(geom, (SELECT ST_Union(the_geom) FROM ne_admin0_v3 WHERE adm0_a3 IN ('MTQ', 'MYT', 'GLP')))) WHERE adm0_a3 = 'FRA';
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---- Subdivide Norway into subregions ----
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-- Split Bouvet Island from Norway
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INSERT INTO ne_admin0_v3 (the_geom, adm0_a3, name)
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WITH a AS (SELECT (ST_Dump(the_geom)).geom geom,adm0_a3 FROM ne_admin0_v3 WHERE ST_Intersects(the_geom, CDB_LatLNg(-54.45, 3.37)))
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SELECT ST_Collect(geom), 'BVT', 'Bouvet Island' FROM a WHERE ST_Intersects(geom, ST_Buffer(CDB_LatLNg(-54.45, 3.37), 2));
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-- Remove the Bouvet Island from the NOR polygon
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WITH a AS (SELECT (ST_Dump(the_geom)).geom geom FROM ne_admin0_v3 WHERE adm0_a3 = 'NOR')
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UPDATE ne_admin0_v3 SET the_geom = (SELECT ST_Union(geom) FROM a WHERE NOT ST_intersects(geom, (SELECT ST_Union(the_geom) FROM ne_admin0_v3 WHERE adm0_a3 = 'BVT'))) WHERE adm0_a3 = 'NOR';
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-- Split Svalbard and Jan Mayen from Norway
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INSERT INTO ne_admin0_v3 (the_geom, adm0_a3, name)
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WITH a AS (SELECT (ST_Dump(the_geom)).geom geom,adm0_a3 FROM ne_admin0_v3)
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SELECT ST_Collect(geom), 'SJM', 'Svalbard and Jan Mayen' FROM a WHERE ST_Intersects(geom, ST_MakeEnvelope(-10, 70, 2, 75, 4326)) OR ST_Intersects(geom, ST_MakeEnvelope(8, 90, 40, 74, 4326));
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-- Split Svalbard from region NOR
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WITH a AS (SELECT (ST_Dump(the_geom)).geom geom FROM ne_admin0_v3 WHERE adm0_a3 = 'NOR')
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UPDATE ne_admin0_v3 SET the_geom = (SELECT ST_Union(geom) FROM a WHERE NOT ST_intersects(geom, (SELECT ST_Union(the_geom) FROM ne_admin0_v3 WHERE adm0_a3 = 'SJM'))) WHERE adm0_a3 = 'NOR';
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---- Subdivide IOA NE iso3 code into subregions ----
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-- Split Cocos (Keeling) Islands from region IOA
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INSERT INTO ne_admin0_v3 (the_geom, adm0_a3, name)
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WITH a AS (SELECT (ST_Dump(the_geom)).geom geom,adm0_a3 FROM ne_admin0_v3 WHERE ST_Intersects(the_geom, CDB_LatLNg(-12.18, 96.914)))
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SELECT ST_union(geom), 'CCK', 'Cocos (Keeling) Islands' FROM a WHERE ST_Intersects(geom, ST_Buffer(CDB_LatLNg(-12.18, 96.914), 1));
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-- Split Christmas Island from region IOA
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INSERT INTO ne_admin0_v3 (the_geom, adm0_a3, name)
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WITH a AS (SELECT (ST_Dump(the_geom)).geom geom,adm0_a3 FROM ne_admin0_v3 WHERE ST_Intersects(the_geom, CDB_LatLNg(-10.50, 105.60)))
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SELECT ST_Collect(geom), 'CXR', 'Christmas Island' FROM a WHERE ST_Intersects(geom, ST_Buffer(CDB_LatLNg(-10.50, 105.60), 1));
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---- Subdivide Netherlands into subregions ----
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-- Split Bonaire (Sint Eustatius and Saba) from Norway
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INSERT INTO ne_admin0_v3 (the_geom, adm0_a3, name)
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WITH a AS (SELECT (ST_Dump(the_geom)).geom geom,adm0_a3 FROM ne_admin0_v3 WHERE ST_Intersects(the_geom, CDB_LatLNg(12.1991, -68.2649)))
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SELECT ST_Collect(geom), 'BES', 'Bonaire (Sint Eustatius and Saba)' FROM a WHERE ST_Intersects(geom, ST_Buffer(CDB_LatLNg(12.1991, -68.2649),0.3));
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WITH a AS (SELECT (ST_Dump(the_geom)).geom geom FROM ne_admin0_v3 WHERE adm0_a3 = 'NLD')
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UPDATE ne_admin0_v3 SET the_geom = (SELECT ST_Union(geom) FROM a WHERE NOT ST_intersects(geom, (SELECT ST_Union(the_geom) FROM ne_admin0_v3 WHERE adm0_a3 = 'BES'))) WHERE adm0_a3 = 'NLD';
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---- Subdivide Tokelau polygon from American Samoa (independent since 2006) ----
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INSERT INTO ne_admin0_v3 (the_geom, adm0_a3, name)
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WITH a AS (SELECT (ST_Dump(the_geom)).geom geom,adm0_a3 FROM ne_admin0_v3 WHERE ST_Intersects(the_geom, CDB_LatLNg(-11.06, -171.08)))
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SELECT ST_Collect(geom), 'TKL', 'Tokelau' FROM a WHERE ST_Intersects(geom, ST_Buffer(CDB_LatLNg(-11.06, -171.08),0.2));
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-- Remove Tokelau from the ASM polygon
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WITH a AS (SELECT (ST_Dump(the_geom)).geom geom FROM ne_admin0_v3 WHERE adm0_a3 = 'ASM')
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UPDATE ne_admin0_v3 SET the_geom = (SELECT ST_Union(geom) FROM a WHERE NOT ST_intersects(geom, (SELECT ST_Union(the_geom) FROM ne_admin0_v3 WHERE adm0_a3 = 'TKL'))) WHERE adm0_a3 = 'ASM';
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