kopia lustrzana https://github.com/openmaptiles/openmaptiles
41 wiersze
1.8 KiB
PL/PgSQL
41 wiersze
1.8 KiB
PL/PgSQL
|
|
-- etldoc: layer_place[shape=record fillcolor=lightpink, style="rounded,filled",
|
|
-- etldoc: label="layer_place | <zall> z0-z14_ " ] ;
|
|
|
|
-- etldoc: osm_continent_point -> layer_place
|
|
-- etldoc: osm_country_point -> layer_place
|
|
-- etldoc: osm_state_point -> layer_place
|
|
-- etldoc: layer_city -> layer_place
|
|
|
|
CREATE OR REPLACE FUNCTION layer_place(bbox geometry, zoom_level int, pixel_width numeric)
|
|
RETURNS TABLE(osm_id bigint, geometry geometry, name text, name_en text, class text, subclass text, "rank" int, capital INT) AS $$
|
|
SELECT
|
|
osm_id, geometry, name, name_en,
|
|
'continent' AS class, 'continent' AS subclass, 1 AS "rank", NULL::int AS capital
|
|
FROM osm_continent_point
|
|
WHERE geometry && bbox AND zoom_level < 4
|
|
UNION ALL
|
|
SELECT
|
|
osm_id, geometry, name, COALESCE(NULLIF(name_en, ''), name) AS name_en,
|
|
'country' AS class, 'country' AS subclass,"rank", NULL::int AS capital
|
|
FROM osm_country_point
|
|
WHERE geometry && bbox AND "rank" <= zoom_level AND name <> ''
|
|
UNION ALL
|
|
SELECT
|
|
osm_id, geometry, name, COALESCE(NULLIF(name_en, ''), name) AS name_en,
|
|
'state' AS class, 'state' AS subclass, "rank", NULL::int AS capital
|
|
FROM osm_state_point
|
|
WHERE geometry && bbox AND
|
|
name <> '' AND
|
|
("rank" + 2 <= zoom_level) AND (
|
|
zoom_level >= 5 OR
|
|
is_in_country IN ('United Kingdom', 'USA', 'Россия', 'Brasil', 'China', 'India') OR
|
|
is_in_country_code IN ('AU', 'CN', 'IN', 'BR', 'US'))
|
|
UNION ALL
|
|
SELECT
|
|
osm_id, geometry, name, name_en,
|
|
place_class(place::text) AS class, place::text AS subclass, "rank", capital
|
|
FROM layer_city(bbox, zoom_level, pixel_width)
|
|
ORDER BY "rank" ASC
|
|
$$ LANGUAGE SQL IMMUTABLE;
|