kopia lustrzana https://github.com/openmaptiles/openmaptiles
143 wiersze
5.0 KiB
PL/PgSQL
143 wiersze
5.0 KiB
PL/PgSQL
-- Recreate ocean layer by union regular squares into larger polygons
|
|
-- etldoc: osm_ocean_polygon -> osm_ocean_polygon_union
|
|
CREATE TABLE IF NOT EXISTS osm_ocean_polygon_union AS
|
|
(
|
|
SELECT (ST_Dump(ST_Union(ST_MakeValid(geometry)))).geom::geometry(Polygon, 3857) AS geometry
|
|
FROM osm_ocean_polygon
|
|
--for union select just full square (not big triangles)
|
|
WHERE ST_Area(geometry) > 100000000 AND
|
|
ST_NPoints(geometry) = 5
|
|
UNION ALL
|
|
SELECT geometry
|
|
FROM osm_ocean_polygon
|
|
-- as 321 records have less then 5 coordinates (triangle)
|
|
-- bigger then 5 coordinates have squares with holes from island and coastline
|
|
WHERE ST_NPoints(geometry) <> 5
|
|
);
|
|
|
|
CREATE INDEX IF NOT EXISTS osm_ocean_polygon_union_geom_idx
|
|
ON osm_ocean_polygon_union
|
|
USING GIST (geometry);
|
|
|
|
--Drop data from original table but keep table as `CREATE TABLE IF NOT EXISTS` still test if query is valid
|
|
TRUNCATE TABLE osm_ocean_polygon;
|
|
|
|
-- This statement can be deleted after the water importer image stops creating this object as a table
|
|
DO
|
|
$$
|
|
BEGIN
|
|
DROP TABLE IF EXISTS osm_ocean_polygon_gen_z11 CASCADE;
|
|
EXCEPTION
|
|
WHEN wrong_object_type THEN
|
|
END;
|
|
$$ LANGUAGE plpgsql;
|
|
|
|
-- etldoc: osm_ocean_polygon_union -> osm_ocean_polygon_gen_z11
|
|
DROP MATERIALIZED VIEW IF EXISTS osm_ocean_polygon_gen_z11 CASCADE;
|
|
CREATE MATERIALIZED VIEW osm_ocean_polygon_gen_z11 AS
|
|
(
|
|
SELECT ST_Simplify(geometry, ZRes(13)) AS geometry
|
|
FROM osm_ocean_polygon_union
|
|
) /* DELAY_MATERIALIZED_VIEW_CREATION */ ;
|
|
CREATE INDEX IF NOT EXISTS osm_ocean_polygon_gen_z11_idx ON osm_ocean_polygon_gen_z11 USING gist (geometry);
|
|
|
|
|
|
-- This statement can be deleted after the water importer image stops creating this object as a table
|
|
DO
|
|
$$
|
|
BEGIN
|
|
DROP TABLE IF EXISTS osm_ocean_polygon_gen_z10 CASCADE;
|
|
EXCEPTION
|
|
WHEN wrong_object_type THEN
|
|
END;
|
|
$$ LANGUAGE plpgsql;
|
|
|
|
-- etldoc: osm_ocean_polygon_gen_z11 -> osm_ocean_polygon_gen_z10
|
|
DROP MATERIALIZED VIEW IF EXISTS osm_ocean_polygon_gen_z10 CASCADE;
|
|
CREATE MATERIALIZED VIEW osm_ocean_polygon_gen_z10 AS
|
|
(
|
|
SELECT ST_Simplify(geometry, ZRes(12)) AS geometry
|
|
FROM osm_ocean_polygon_gen_z11
|
|
) /* DELAY_MATERIALIZED_VIEW_CREATION */ ;
|
|
CREATE INDEX IF NOT EXISTS osm_ocean_polygon_gen_z10_idx ON osm_ocean_polygon_gen_z10 USING gist (geometry);
|
|
|
|
|
|
-- This statement can be deleted after the water importer image stops creating this object as a table
|
|
DO
|
|
$$
|
|
BEGIN
|
|
DROP TABLE IF EXISTS osm_ocean_polygon_gen_z9 CASCADE;
|
|
EXCEPTION
|
|
WHEN wrong_object_type THEN
|
|
END;
|
|
$$ LANGUAGE plpgsql;
|
|
|
|
-- etldoc: osm_ocean_polygon_gen_z10 -> osm_ocean_polygon_gen_z9
|
|
DROP MATERIALIZED VIEW IF EXISTS osm_ocean_polygon_gen_z9 CASCADE;
|
|
CREATE MATERIALIZED VIEW osm_ocean_polygon_gen_z9 AS
|
|
(
|
|
SELECT ST_Simplify(geometry, ZRes(11)) AS geometry
|
|
FROM osm_ocean_polygon_gen_z10
|
|
) /* DELAY_MATERIALIZED_VIEW_CREATION */ ;
|
|
CREATE INDEX IF NOT EXISTS osm_ocean_polygon_gen_z9_idx ON osm_ocean_polygon_gen_z9 USING gist (geometry);
|
|
|
|
|
|
-- This statement can be deleted after the water importer image stops creating this object as a table
|
|
DO
|
|
$$
|
|
BEGIN
|
|
DROP TABLE IF EXISTS osm_ocean_polygon_gen_z8 CASCADE;
|
|
EXCEPTION
|
|
WHEN wrong_object_type THEN
|
|
END;
|
|
$$ LANGUAGE plpgsql;
|
|
|
|
-- etldoc: osm_ocean_polygon_gen_z9 -> osm_ocean_polygon_gen_z8
|
|
DROP MATERIALIZED VIEW IF EXISTS osm_ocean_polygon_gen_z8 CASCADE;
|
|
CREATE MATERIALIZED VIEW osm_ocean_polygon_gen_z8 AS
|
|
(
|
|
SELECT ST_Simplify(geometry, ZRes(10)) AS geometry
|
|
FROM osm_ocean_polygon_gen_z9
|
|
) /* DELAY_MATERIALIZED_VIEW_CREATION */ ;
|
|
CREATE INDEX IF NOT EXISTS osm_ocean_polygon_gen_z8_idx ON osm_ocean_polygon_gen_z8 USING gist (geometry);
|
|
|
|
|
|
-- This statement can be deleted after the water importer image stops creating this object as a table
|
|
DO
|
|
$$
|
|
BEGIN
|
|
DROP TABLE IF EXISTS osm_ocean_polygon_gen_z7 CASCADE;
|
|
EXCEPTION
|
|
WHEN wrong_object_type THEN
|
|
END;
|
|
$$ LANGUAGE plpgsql;
|
|
|
|
-- etldoc: osm_ocean_polygon_gen_z8 -> osm_ocean_polygon_gen_z7
|
|
DROP MATERIALIZED VIEW IF EXISTS osm_ocean_polygon_gen_z7 CASCADE;
|
|
CREATE MATERIALIZED VIEW osm_ocean_polygon_gen_z7 AS
|
|
(
|
|
SELECT ST_Simplify(geometry, ZRes(9)) AS geometry
|
|
FROM osm_ocean_polygon_gen_z8
|
|
) /* DELAY_MATERIALIZED_VIEW_CREATION */ ;
|
|
CREATE INDEX IF NOT EXISTS osm_ocean_polygon_gen_z7_idx ON osm_ocean_polygon_gen_z7 USING gist (geometry);
|
|
|
|
|
|
-- This statement can be deleted after the water importer image stops creating this object as a table
|
|
DO
|
|
$$
|
|
BEGIN
|
|
DROP TABLE IF EXISTS osm_ocean_polygon_gen_z6 CASCADE;
|
|
EXCEPTION
|
|
WHEN wrong_object_type THEN
|
|
END;
|
|
$$ LANGUAGE plpgsql;
|
|
|
|
-- etldoc: osm_ocean_polygon_gen_z7 -> osm_ocean_polygon_gen_z6
|
|
DROP MATERIALIZED VIEW IF EXISTS osm_ocean_polygon_gen_z6 CASCADE;
|
|
CREATE MATERIALIZED VIEW osm_ocean_polygon_gen_z6 AS
|
|
(
|
|
SELECT ST_Simplify(geometry, ZRes(8)) AS geometry
|
|
FROM osm_ocean_polygon_gen_z7
|
|
) /* DELAY_MATERIALIZED_VIEW_CREATION */ ;
|
|
CREATE INDEX IF NOT EXISTS osm_ocean_polygon_gen_z6_idx ON osm_ocean_polygon_gen_z6 USING gist (geometry);
|