kopia lustrzana https://github.com/openmaptiles/openmaptiles
102 wiersze
5.5 KiB
PL/PgSQL
102 wiersze
5.5 KiB
PL/PgSQL
-- etldoc: layer_building[shape=record fillcolor=lightpink, style="rounded,filled",
|
|
-- etldoc: label="layer_building | <z13> z13 | <z14_> z14+ " ] ;
|
|
|
|
CREATE OR REPLACE FUNCTION as_numeric(text) RETURNS NUMERIC AS $$
|
|
-- Inspired by http://stackoverflow.com/questions/16195986/isnumeric-with-postgresql/16206123#16206123
|
|
DECLARE test NUMERIC;
|
|
BEGIN
|
|
test = $1::NUMERIC;
|
|
RETURN test;
|
|
EXCEPTION WHEN others THEN
|
|
RETURN -1;
|
|
END;
|
|
$$ STRICT
|
|
LANGUAGE plpgsql IMMUTABLE;
|
|
|
|
CREATE INDEX IF NOT EXISTS osm_building_relation_building_idx ON osm_building_relation(building);
|
|
--CREATE INDEX IF NOT EXISTS osm_building_associatedstreet_role_idx ON osm_building_associatedstreet(role);
|
|
--CREATE INDEX IF NOT EXISTS osm_building_street_role_idx ON osm_building_street(role);
|
|
|
|
CREATE OR REPLACE VIEW osm_all_buildings AS (
|
|
-- etldoc: osm_building_relation -> layer_building:z14_
|
|
-- Buildings built from relations
|
|
SELECT member AS osm_id,geometry,
|
|
COALESCE(nullif(as_numeric(height),-1),nullif(as_numeric(buildingheight),-1)) as height,
|
|
COALESCE(nullif(as_numeric(min_height),-1),nullif(as_numeric(buildingmin_height),-1)) as min_height,
|
|
COALESCE(nullif(as_numeric(levels),-1),nullif(as_numeric(buildinglevels),-1)) as levels,
|
|
COALESCE(nullif(as_numeric(min_level),-1),nullif(as_numeric(buildingmin_level),-1)) as min_level
|
|
FROM
|
|
osm_building_relation WHERE building = ''
|
|
UNION ALL
|
|
|
|
-- etldoc: osm_building_associatedstreet -> layer_building:z14_
|
|
-- Buildings in associatedstreet relations
|
|
SELECT member AS osm_id,geometry,
|
|
COALESCE(nullif(as_numeric(height),-1),nullif(as_numeric(buildingheight),-1)) as height,
|
|
COALESCE(nullif(as_numeric(min_height),-1),nullif(as_numeric(buildingmin_height),-1)) as min_height,
|
|
COALESCE(nullif(as_numeric(levels),-1),nullif(as_numeric(buildinglevels),-1)) as levels,
|
|
COALESCE(nullif(as_numeric(min_level),-1),nullif(as_numeric(buildingmin_level),-1)) as min_level
|
|
FROM
|
|
osm_building_associatedstreet WHERE role = 'house'
|
|
UNION ALL
|
|
-- etldoc: osm_building_street -> layer_building:z14_
|
|
-- Buildings in street relations
|
|
SELECT member AS osm_id,geometry,
|
|
COALESCE(nullif(as_numeric(height),-1),nullif(as_numeric(buildingheight),-1)) as height,
|
|
COALESCE(nullif(as_numeric(min_height),-1),nullif(as_numeric(buildingmin_height),-1)) as min_height,
|
|
COALESCE(nullif(as_numeric(levels),-1),nullif(as_numeric(buildinglevels),-1)) as levels,
|
|
COALESCE(nullif(as_numeric(min_level),-1),nullif(as_numeric(buildingmin_level),-1)) as min_level
|
|
FROM
|
|
osm_building_street WHERE role = 'house'
|
|
UNION ALL
|
|
|
|
-- etldoc: osm_building_multipolygon -> layer_building:z14_
|
|
-- Buildings that are inner/outer
|
|
SELECT osm_id,geometry,
|
|
COALESCE(nullif(as_numeric(height),-1),nullif(as_numeric(buildingheight),-1)) as height,
|
|
COALESCE(nullif(as_numeric(min_height),-1),nullif(as_numeric(buildingmin_height),-1)) as min_height,
|
|
COALESCE(nullif(as_numeric(levels),-1),nullif(as_numeric(buildinglevels),-1)) as levels,
|
|
COALESCE(nullif(as_numeric(min_level),-1),nullif(as_numeric(buildingmin_level),-1)) as min_level
|
|
FROM
|
|
osm_building_polygon obp WHERE EXISTS (SELECT 1 FROM osm_building_multipolygon obm WHERE obp.osm_id = obm.osm_id)
|
|
UNION ALL
|
|
-- etldoc: osm_building_polygon -> layer_building:z14_
|
|
-- Standalone buildings
|
|
SELECT osm_id,geometry,
|
|
COALESCE(nullif(as_numeric(height),-1),nullif(as_numeric(buildingheight),-1)) as height,
|
|
COALESCE(nullif(as_numeric(min_height),-1),nullif(as_numeric(buildingmin_height),-1)) as min_height,
|
|
COALESCE(nullif(as_numeric(levels),-1),nullif(as_numeric(buildinglevels),-1)) as levels,
|
|
COALESCE(nullif(as_numeric(min_level),-1),nullif(as_numeric(buildingmin_level),-1)) as min_level
|
|
FROM
|
|
osm_building_polygon WHERE osm_id >= 0
|
|
);
|
|
|
|
CREATE OR REPLACE FUNCTION layer_building(bbox geometry, zoom_level int)
|
|
RETURNS TABLE(geometry geometry, osm_id bigint, render_height int, render_min_height int) AS $$
|
|
SELECT geometry, osm_id, render_height, render_min_height
|
|
FROM (
|
|
-- etldoc: osm_building_polygon_gen1 -> layer_building:z13
|
|
SELECT
|
|
osm_id, geometry,
|
|
NULL::int AS render_height, NULL::int AS render_min_height
|
|
FROM osm_building_polygon_gen1
|
|
WHERE zoom_level = 13 AND geometry && bbox
|
|
UNION ALL
|
|
-- etldoc: osm_building_polygon -> layer_building:z14_
|
|
SELECT DISTINCT ON (osm_id)
|
|
osm_id, geometry,
|
|
ceil( COALESCE(height, levels*3.66,5))::int AS render_height,
|
|
floor(COALESCE(min_height, min_level*3.66,0))::int AS render_min_height FROM
|
|
osm_all_buildings
|
|
WHERE
|
|
(levels IS NULL OR levels < 1000) AND
|
|
(min_level IS NULL OR min_level < 1000) AND
|
|
(height IS NULL OR height < 3000) AND
|
|
(min_height IS NULL OR min_height < 3000) AND
|
|
zoom_level >= 14 AND geometry && bbox
|
|
) AS zoom_levels
|
|
ORDER BY render_height ASC, ST_YMin(geometry) DESC;
|
|
$$ LANGUAGE SQL IMMUTABLE;
|
|
|
|
-- not handled: where a building outline covers building parts
|