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openmaptiles/layers/landcover/landcover.sql

373 wiersze
13 KiB
PL/PgSQL
Czysty Bezpośredni odnośnik Wina Historia

--TODO: Find a way to nicely generalize landcover
--CREATE TABLE IF NOT EXISTS landcover_grouped_gen2 AS (
-- SELECT osm_id, ST_Simplify((ST_Dump(geometry)).geom, 600) AS geometry, landuse, "natural", wetland
-- FROM (
-- SELECT max(osm_id) AS osm_id, ST_Union(ST_Buffer(geometry, 600)) AS geometry, landuse, "natural", wetland
-- FROM osm_landcover_polygon_gen1
-- GROUP BY LabelGrid(geometry, 15000000), landuse, "natural", wetland
-- ) AS grouped_measurements
--);
--CREATE INDEX IF NOT EXISTS landcover_grouped_gen2_geometry_idx ON landcover_grouped_gen2 USING gist(geometry);
CREATE OR REPLACE FUNCTION landcover_class(subclass varchar) RETURNS text AS
$$
SELECT CASE
%%FIELD_MAPPING: class %%
END;
$$ LANGUAGE SQL IMMUTABLE
-- STRICT
PARALLEL SAFE;
-- ne_50m_antarctic_ice_shelves_polys
-- etldoc: ne_50m_antarctic_ice_shelves_polys -> ne_50m_antarctic_ice_shelves_polys_gen_z4
DROP MATERIALIZED VIEW IF EXISTS ne_50m_antarctic_ice_shelves_polys_gen_z4 CASCADE;
CREATE MATERIALIZED VIEW ne_50m_antarctic_ice_shelves_polys_gen_z4 AS
(
SELECT
ST_Simplify(geometry, ZRes(6)) as geometry,
'ice_shelf'::text AS subclass
FROM ne_50m_antarctic_ice_shelves_polys
) /* DELAY_MATERIALIZED_VIEW_CREATION */ ;
CREATE INDEX IF NOT EXISTS ne_50m_antarctic_ice_shelves_polys_gen_z4_idx ON ne_50m_antarctic_ice_shelves_polys_gen_z4 USING gist (geometry);
-- ne_110m_glaciated_areas
-- etldoc: ne_110m_glaciated_areas -> ne_110m_glaciated_areas_gen_z1
DROP MATERIALIZED VIEW IF EXISTS ne_110m_glaciated_areas_gen_z1 CASCADE;
CREATE MATERIALIZED VIEW ne_110m_glaciated_areas_gen_z1 AS
(
SELECT
ST_Simplify(geometry, ZRes(3)) as geometry,
'glacier'::text AS subclass
FROM ne_110m_glaciated_areas
) /* DELAY_MATERIALIZED_VIEW_CREATION */ ;
CREATE INDEX IF NOT EXISTS ne_110m_glaciated_areas_gen_z1_idx ON ne_110m_glaciated_areas_gen_z1 USING gist (geometry);
-- etldoc: ne_110m_glaciated_areas_gen_z1 -> ne_110m_glaciated_areas_gen_z0
DROP MATERIALIZED VIEW IF EXISTS ne_110m_glaciated_areas_gen_z0 CASCADE;
CREATE MATERIALIZED VIEW ne_110m_glaciated_areas_gen_z0 AS
(
SELECT
ST_Simplify(geometry, ZRes(2)) as geometry,
subclass
FROM ne_110m_glaciated_areas_gen_z1
) /* DELAY_MATERIALIZED_VIEW_CREATION */ ;
CREATE INDEX IF NOT EXISTS ne_110m_glaciated_areas_gen_z0_idx ON ne_110m_glaciated_areas_gen_z0 USING gist (geometry);
-- etldoc: ne_50m_antarctic_ice_shelves_polys_gen_z4 -> ne_50m_antarctic_ice_shelves_polys_gen_z3
DROP MATERIALIZED VIEW IF EXISTS ne_50m_antarctic_ice_shelves_polys_gen_z3 CASCADE;
CREATE MATERIALIZED VIEW ne_50m_antarctic_ice_shelves_polys_gen_z3 AS
(
SELECT
ST_Simplify(geometry, ZRes(5)) as geometry,
subclass
FROM ne_50m_antarctic_ice_shelves_polys_gen_z4
) /* DELAY_MATERIALIZED_VIEW_CREATION */ ;
CREATE INDEX IF NOT EXISTS ne_50m_antarctic_ice_shelves_polys_gen_z3_idx ON ne_50m_antarctic_ice_shelves_polys_gen_z3 USING gist (geometry);
-- etldoc: ne_50m_antarctic_ice_shelves_polys_gen_z3 -> ne_50m_antarctic_ice_shelves_polys_gen_z2
DROP MATERIALIZED VIEW IF EXISTS ne_50m_antarctic_ice_shelves_polys_gen_z2 CASCADE;
CREATE MATERIALIZED VIEW ne_50m_antarctic_ice_shelves_polys_gen_z2 AS
(
SELECT
ST_Simplify(geometry, ZRes(4)) as geometry,
subclass
FROM ne_50m_antarctic_ice_shelves_polys_gen_z3
) /* DELAY_MATERIALIZED_VIEW_CREATION */ ;
CREATE INDEX IF NOT EXISTS ne_50m_antarctic_ice_shelves_polys_gen_z2_idx ON ne_50m_antarctic_ice_shelves_polys_gen_z2 USING gist (geometry);
-- ne_50m_glaciated_areas
-- etldoc: ne_50m_glaciated_areas -> ne_50m_glaciated_areas_gen_z4
DROP MATERIALIZED VIEW IF EXISTS ne_50m_glaciated_areas_gen_z4 CASCADE;
CREATE MATERIALIZED VIEW ne_50m_glaciated_areas_gen_z4 AS
(
SELECT
ST_Simplify(geometry, ZRes(6)) as geometry,
'glacier'::text AS subclass
FROM ne_50m_glaciated_areas
) /* DELAY_MATERIALIZED_VIEW_CREATION */ ;
CREATE INDEX IF NOT EXISTS ne_50m_glaciated_areas_gen_z4_idx ON ne_50m_glaciated_areas_gen_z4 USING gist (geometry);
-- etldoc: ne_50m_glaciated_areas_gen_z4 -> ne_50m_glaciated_areas_gen_z3
DROP MATERIALIZED VIEW IF EXISTS ne_50m_glaciated_areas_gen_z3 CASCADE;
CREATE MATERIALIZED VIEW ne_50m_glaciated_areas_gen_z3 AS
(
SELECT
ST_Simplify(geometry, ZRes(5)) as geometry,
subclass
FROM ne_50m_glaciated_areas_gen_z4
) /* DELAY_MATERIALIZED_VIEW_CREATION */ ;
CREATE INDEX IF NOT EXISTS ne_50m_glaciated_areas_gen_z3_idx ON ne_50m_glaciated_areas_gen_z3 USING gist (geometry);
-- etldoc: ne_50m_glaciated_areas_gen_z3 -> ne_50m_glaciated_areas_gen_z2
DROP MATERIALIZED VIEW IF EXISTS ne_50m_glaciated_areas_gen_z2 CASCADE;
CREATE MATERIALIZED VIEW ne_50m_glaciated_areas_gen_z2 AS
(
SELECT
ST_Simplify(geometry, ZRes(4)) as geometry,
subclass
FROM ne_50m_glaciated_areas_gen_z3
) /* DELAY_MATERIALIZED_VIEW_CREATION */ ;
CREATE INDEX IF NOT EXISTS ne_50m_glaciated_areas_gen_z2_idx ON ne_50m_glaciated_areas_gen_z2 USING gist (geometry);
-- ne_10m_glaciated_areas
-- etldoc: ne_10m_glaciated_areas -> ne_10m_glaciated_areas_gen_z6
DROP MATERIALIZED VIEW IF EXISTS ne_10m_glaciated_areas_gen_z6 CASCADE;
CREATE MATERIALIZED VIEW ne_10m_glaciated_areas_gen_z6 AS
(
SELECT
ST_Simplify(geometry, ZRes(8)) as geometry,
'glacier'::text AS subclass
FROM ne_10m_glaciated_areas
) /* DELAY_MATERIALIZED_VIEW_CREATION */ ;
CREATE INDEX IF NOT EXISTS ne_10m_glaciated_areas_gen_z6_idx ON ne_10m_glaciated_areas_gen_z6 USING gist (geometry);
-- etldoc: ne_10m_glaciated_areas_gen_z6 -> ne_10m_glaciated_areas_gen_z5
DROP MATERIALIZED VIEW IF EXISTS ne_10m_glaciated_areas_gen_z5 CASCADE;
CREATE MATERIALIZED VIEW ne_10m_glaciated_areas_gen_z5 AS
(
SELECT
ST_Simplify(geometry, ZRes(7)) as geometry,
subclass
FROM ne_10m_glaciated_areas_gen_z6
) /* DELAY_MATERIALIZED_VIEW_CREATION */ ;
CREATE INDEX IF NOT EXISTS ne_10m_glaciated_areas_gen_z5_idx ON ne_10m_glaciated_areas_gen_z5 USING gist (geometry);
-- ne_10m_antarctic_ice_shelves_polys
-- etldoc: ne_10m_antarctic_ice_shelves_polys -> ne_10m_antarctic_ice_shelves_polys_gen_z6
DROP MATERIALIZED VIEW IF EXISTS ne_10m_antarctic_ice_shelves_polys_gen_z6 CASCADE;
CREATE MATERIALIZED VIEW ne_10m_antarctic_ice_shelves_polys_gen_z6 AS
(
SELECT
ST_Simplify(geometry, ZRes(8)) as geometry,
'ice_shelf'::text AS subclass
FROM ne_10m_antarctic_ice_shelves_polys
) /* DELAY_MATERIALIZED_VIEW_CREATION */ ;
CREATE INDEX IF NOT EXISTS ne_10m_antarctic_ice_shelves_polys_gen_z6_idx ON ne_10m_antarctic_ice_shelves_polys_gen_z6 USING gist (geometry);
-- etldoc: ne_10m_antarctic_ice_shelves_polys_gen_z6 -> ne_10m_antarctic_ice_shelves_polys_gen_z5
DROP MATERIALIZED VIEW IF EXISTS ne_10m_antarctic_ice_shelves_polys_gen_z5 CASCADE;
CREATE MATERIALIZED VIEW ne_10m_antarctic_ice_shelves_polys_gen_z5 AS
(
SELECT
ST_Simplify(geometry, ZRes(7)) as geometry,
subclass
FROM ne_10m_antarctic_ice_shelves_polys_gen_z6
) /* DELAY_MATERIALIZED_VIEW_CREATION */ ;
CREATE INDEX IF NOT EXISTS ne_10m_antarctic_ice_shelves_polys_gen_z5_idx ON ne_10m_antarctic_ice_shelves_polys_gen_z5 USING gist (geometry);
-- etldoc: ne_110m_glaciated_areas_gen_z0 -> landcover_z0
CREATE OR REPLACE VIEW landcover_z0 AS
(
SELECT
geometry,
subclass
FROM ne_110m_glaciated_areas_gen_z0
);
-- etldoc: ne_110m_glaciated_areas_gen_z1 -> landcover_z1
CREATE OR REPLACE VIEW landcover_z1 AS
(
SELECT
geometry,
subclass
FROM ne_110m_glaciated_areas_gen_z1
);
CREATE OR REPLACE VIEW landcover_z2 AS
(
-- etldoc: ne_50m_glaciated_areas_gen_z2 -> landcover_z2
SELECT
geometry,
subclass
FROM ne_50m_glaciated_areas_gen_z2
UNION ALL
-- etldoc: ne_50m_antarctic_ice_shelves_polys_gen_z2 -> landcover_z2
SELECT
geometry,
subclass
FROM ne_50m_antarctic_ice_shelves_polys_gen_z2
);
CREATE OR REPLACE VIEW landcover_z3 AS
(
-- etldoc: ne_50m_glaciated_areas_gen_z3 -> landcover_z3
SELECT
geometry,
subclass
FROM ne_50m_glaciated_areas_gen_z3
UNION ALL
-- etldoc: ne_50m_antarctic_ice_shelves_polys_gen_z3 -> landcover_z3
SELECT
geometry,
subclass
FROM ne_50m_antarctic_ice_shelves_polys_gen_z3
);
CREATE OR REPLACE VIEW landcover_z4 AS
(
-- etldoc: ne_50m_glaciated_areas_gen_z4 -> landcover_z4
SELECT
geometry,
subclass
FROM ne_50m_glaciated_areas_gen_z4
UNION ALL
-- etldoc: ne_50m_antarctic_ice_shelves_polys_gen_z4 -> landcover_z4
SELECT
geometry,
subclass
FROM ne_50m_antarctic_ice_shelves_polys_gen_z4
);
CREATE OR REPLACE VIEW landcover_z5 AS
(
-- etldoc: ne_10m_glaciated_areas_gen_z5 -> landcover_z5
SELECT
geometry,
subclass
FROM ne_10m_glaciated_areas_gen_z5
UNION ALL
-- etldoc: ne_10m_antarctic_ice_shelves_polys_gen_z5 -> landcover_z5
SELECT
geometry,
subclass
FROM ne_10m_antarctic_ice_shelves_polys_gen_z5
);
CREATE OR REPLACE VIEW landcover_z6 AS
(
-- etldoc: ne_10m_glaciated_areas_gen_z6 -> landcover_z6
SELECT
geometry,
subclass
FROM ne_10m_glaciated_areas_gen_z6
UNION ALL
-- etldoc: ne_10m_antarctic_ice_shelves_polys_gen_z6 -> landcover_z6
SELECT
geometry,
subclass
FROM ne_10m_antarctic_ice_shelves_polys_gen_z6
);
-- etldoc: layer_landcover[shape=record fillcolor=lightpink, style="rounded, filled", label="layer_landcover | <z0> z0 | <z1> z1 | <z2> z2 | <z3> z3 | <z4> z4 | <z5> z5 | <z6> z6 |<z7> z7 |<z8> z8 |<z9> z9 |<z10> z10 |<z11> z11 |<z12> z12|<z13> z13|<z14_> z14+" ] ;
CREATE OR REPLACE FUNCTION layer_landcover(bbox geometry, zoom_level int)
RETURNS TABLE
(
geometry geometry,
class text,
subclass text
)
AS
$$
SELECT geometry,
landcover_class(subclass) AS class,
subclass
FROM (
-- etldoc: landcover_z0 -> layer_landcover:z0
SELECT geometry,
subclass
FROM landcover_z0
WHERE zoom_level = 0
AND geometry && bbox
UNION ALL
-- etldoc: landcover_z1 -> layer_landcover:z1
SELECT geometry,
subclass
FROM landcover_z1
WHERE zoom_level = 1
AND geometry && bbox
UNION ALL
-- etldoc: landcover_z2 -> layer_landcover:z2
SELECT geometry,
subclass
FROM landcover_z2
WHERE zoom_level = 2
AND geometry && bbox
UNION ALL
-- etldoc: landcover_z3 -> layer_landcover:z3
SELECT geometry,
subclass
FROM landcover_z3
WHERE zoom_level = 3
AND geometry && bbox
UNION ALL
-- etldoc: landcover_z4 -> layer_landcover:z4
SELECT geometry,
subclass
FROM landcover_z4
WHERE zoom_level = 4
AND geometry && bbox
UNION ALL
-- etldoc: landcover_z5 -> layer_landcover:z5
SELECT geometry,
subclass
FROM landcover_z5
WHERE zoom_level = 5
AND geometry && bbox
UNION ALL
-- etldoc: landcover_z6 -> layer_landcover:z6
SELECT geometry,
subclass
FROM landcover_z6
WHERE zoom_level = 6
AND geometry && bbox
UNION ALL
-- etldoc: osm_landcover_gen_z7 -> layer_landcover:z7
SELECT geometry,
subclass
FROM osm_landcover_gen_z7
WHERE zoom_level = 7
AND geometry && bbox
UNION ALL
-- etldoc: osm_landcover_gen_z8 -> layer_landcover:z8
SELECT geometry,
subclass
FROM osm_landcover_gen_z8
WHERE zoom_level = 8
AND geometry && bbox
UNION ALL
-- etldoc: osm_landcover_gen_z9 -> layer_landcover:z9
SELECT geometry,
subclass
FROM osm_landcover_gen_z9
WHERE zoom_level = 9
AND geometry && bbox
UNION ALL
-- etldoc: osm_landcover_gen_z10 -> layer_landcover:z10
SELECT geometry,
subclass
FROM osm_landcover_gen_z10
WHERE zoom_level = 10
AND geometry && bbox
UNION ALL
-- etldoc: osm_landcover_gen_z11 -> layer_landcover:z11
SELECT geometry,
subclass
FROM osm_landcover_gen_z11
WHERE zoom_level = 11
AND geometry && bbox
UNION ALL
-- etldoc: osm_landcover_gen_z12 -> layer_landcover:z12
SELECT geometry,
subclass
FROM osm_landcover_gen_z12
WHERE zoom_level = 12
AND geometry && bbox
UNION ALL
-- etldoc: osm_landcover_gen_z13 -> layer_landcover:z13
SELECT geometry,
subclass
FROM osm_landcover_gen_z13
WHERE zoom_level = 13
AND geometry && bbox
UNION ALL
-- etldoc: osm_landcover_polygon -> layer_landcover:z14_
SELECT geometry,
subclass
FROM osm_landcover_polygon
WHERE zoom_level >= 14
AND geometry && bbox
) AS zoom_levels;
$$ LANGUAGE SQL STABLE
-- STRICT
PARALLEL SAFE;
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