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Switch water layer to imposm3

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This commit is contained in:
lukasmartinelli
2016-10-10 19:39:47 +02:00
parent 908e6dc68c
commit c86f5b9a26
3 changed files with 115 additions and 50 deletions
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92
layers/water/water.sql
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@@ -1,121 +1,115 @@
CREATE OR REPLACE VIEW water_z0 AS (
SELECT geom FROM ne_110m_ocean
SELECT geom, 'ocean' AS class FROM ne_110m_ocean
UNION ALL
SELECT geom FROM ne_110m_lakes
SELECT geom, 'lake' AS class FROM ne_110m_lakes
);
CREATE OR REPLACE VIEW water_z1 AS (
SELECT geom FROM ne_110m_ocean
SELECT geom, 'ocean' AS class FROM ne_110m_ocean
UNION ALL
SELECT geom FROM ne_110m_lakes
SELECT geom, 'lake' AS class FROM ne_110m_lakes
);
CREATE OR REPLACE VIEW water_z2 AS (
SELECT geom FROM ne_50m_ocean
SELECT geom, 'ocean' AS class FROM ne_50m_ocean
UNION ALL
SELECT geom FROM ne_110m_lakes
SELECT geom, 'lake' AS class FROM ne_110m_lakes
);
CREATE OR REPLACE VIEW water_z3 AS (
SELECT geom FROM ne_50m_ocean
SELECT geom, 'ocean' AS class FROM ne_50m_ocean
UNION ALL
SELECT geom FROM ne_110m_lakes
SELECT geom, 'lake' AS class FROM ne_110m_lakes
UNION ALL
SELECT geom FROM ne_110m_rivers_lake_centerlines
SELECT geom, 'river' AS class FROM ne_110m_rivers_lake_centerlines
WHERE featurecla = 'River'
);
CREATE OR REPLACE VIEW water_z4 AS (
SELECT geom FROM ne_50m_ocean
SELECT geom, 'ocean' AS class FROM ne_50m_ocean
UNION ALL
SELECT geom FROM ne_50m_lakes
SELECT geom, 'lake' AS class FROM ne_50m_lakes
UNION ALL
SELECT geom FROM ne_50m_rivers_lake_centerlines
SELECT geom, 'river' AS class FROM ne_50m_rivers_lake_centerlines
WHERE featurecla = 'River'
);
CREATE OR REPLACE VIEW water_z5 AS (
SELECT geom FROM ne_10m_ocean
SELECT geom, 'ocean' AS class FROM ne_10m_ocean
UNION ALL
SELECT geom FROM ne_10m_lakes
SELECT geom, 'lake' AS class FROM ne_10m_lakes
UNION ALL
SELECT geom FROM ne_50m_rivers_lake_centerlines
SELECT geom, 'river' AS class FROM ne_50m_rivers_lake_centerlines
WHERE featurecla = 'River'
);
CREATE OR REPLACE VIEW water_z6 AS (
SELECT geom FROM ne_10m_ocean
SELECT geom, 'ocean' AS class FROM ne_10m_ocean
UNION ALL
SELECT geom FROM ne_10m_lakes
SELECT geom, 'lake' AS class FROM ne_10m_lakes
UNION ALL
SELECT geom FROM ne_10m_rivers_lake_centerlines
SELECT geom, 'river' AS class FROM ne_10m_rivers_lake_centerlines
WHERE featurecla = 'River'
);
CREATE TABLE IF NOT EXISTS water_z7 AS (
SELECT geom FROM ne_10m_ocean
SELECT geom, 'ocean' AS class FROM ne_10m_ocean
UNION ALL
SELECT ST_SimplifyPreserveTopology(way, 350) AS geom FROM water_areas
WHERE way_area > 9000000
SELECT geometry AS geom, 'lake' AS class FROM osm_water_polygon_gen3
UNION ALL
SELECT geom FROM ne_10m_rivers_lake_centerlines
SELECT geom, 'river' AS class FROM ne_10m_rivers_lake_centerlines
WHERE featurecla = 'River'
);
CREATE INDEX IF NOT EXISTS water_z7_geom_idx ON water_z7 USING gist(geom);
CREATE TABLE IF NOT EXISTS water_z8 AS (
SELECT geom FROM ne_10m_ocean
SELECT geom, 'ocean' AS class FROM ne_10m_ocean
UNION ALL
SELECT ST_SimplifyPreserveTopology(way, 200) AS geom FROM water_areas
WHERE way_area > 1000000
SELECT geometry AS geom, 'lake' AS class FROM osm_water_polygon_gen2
UNION ALL
SELECT ST_Simplify(way, 200) AS geom FROM waterways
WHERE waterway IN ('river') AND ST_Length(way) > 10000
SELECT ST_Simplify(geometry, 200) AS geom, waterway AS class FROM osm_water_linestring
WHERE waterway IN ('river') AND ST_Length(geometry) > 10000
);
CREATE INDEX IF NOT EXISTS water_z8_geom_idx ON water_z8 USING gist(geom);
CREATE TABLE IF NOT EXISTS water_z9 AS (
SELECT ST_SimplifyPreserveTopology(way, 100) AS geom FROM water_areas
WHERE way_area > 500000
SELECT geometry AS geom, 'lake' AS class FROM osm_water_polygon_gen1
UNION ALL
SELECT ST_Simplify(way,100) AS geom FROM waterways
WHERE waterway IN ('river') AND ST_Length(way) > 5000
SELECT ST_Simplify(geometry, 100) AS geom, waterway AS class FROM osm_water_linestring
WHERE waterway IN ('river') AND ST_Length(geometry) > 5000
);
CREATE INDEX IF NOT EXISTS water_z9_geom_idx ON water_z9 USING gist(geom);
CREATE OR REPLACE VIEW water_z11 AS (
SELECT way AS geom FROM water_areas
WHERE way_area > 50000
SELECT geometry AS geom, 'lake' AS class FROM osm_water_polygon WHERE area > 40000
UNION ALL
SELECT way AS geom FROM waterways
WHERE waterway IN ('river')
SELECT geometry AS geom, waterway AS class FROM osm_water_linestring
WHERE waterway IN ('river') AND ST_Length(geometry) > 5000
);
CREATE OR REPLACE VIEW water_z12 AS (
SELECT way AS geom FROM water_areas
WHERE way_area > 40000
SELECT geometry AS geom, 'lake' AS class FROM osm_water_polygon WHERE area > 10000
UNION ALL
SELECT way AS geom FROM waterways
WHERE waterway IN ('river', 'canal', 'stream')
SELECT geometry AS geom, waterway AS class FROM osm_water_linestring
WHERE waterway IN ('river', 'canal') OR (waterway = 'stream' AND ST_Length(geometry) > 1000)
);
CREATE OR REPLACE VIEW water_z13 AS (
SELECT way AS geom FROM water_areas
WHERE way_area > 2000
SELECT geometry AS geom, 'lake' AS class FROM osm_water_polygon WHERE area > 5000
UNION ALL
SELECT way AS geom FROM waterways
WHERE waterway IN ('river', 'canal', 'stream', 'drain', 'ditch')
SELECT geometry AS geom, waterway AS class FROM osm_water_linestring
WHERE waterway IN ('river', 'canal', 'stream', 'drain', 'ditch') AND ST_Length(geometry) > 300
);
CREATE OR REPLACE VIEW water_z14 AS (
SELECT way AS geom FROM water_areas
SELECT geometry AS geom, 'lake' AS class FROM osm_water_polygon
UNION ALL
SELECT way AS geom FROM waterways
SELECT geometry AS geom, waterway AS class FROM osm_water_linestring
);
CREATE OR REPLACE FUNCTION layer_water (bbox geometry, zoom_level int)
RETURNS TABLE(geom geometry) AS $$
SELECT geom FROM (
RETURNS TABLE(geom geometry, class text) AS $$
SELECT geom, class FROM (
SELECT * FROM water_z0 WHERE zoom_level = 0
UNION ALL
SELECT * FROM water_z1 WHERE zoom_level = 1
@@ -132,9 +126,9 @@ RETURNS TABLE(geom geometry) AS $$
UNION ALL
SELECT * FROM water_z7 WHERE zoom_level = 7
UNION ALL
SELECT geom FROM water_z8 WHERE zoom_level = 8
SELECT * FROM water_z8 WHERE zoom_level = 8
UNION ALL
SELECT geom FROM water_z9 WHERE zoom_level BETWEEN 9 AND 10
SELECT * FROM water_z9 WHERE zoom_level BETWEEN 9 AND 10
UNION ALL
SELECT * FROM water_z11 WHERE zoom_level = 11
UNION ALL