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Merge scalerank into osm for high zoom levels

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This commit is contained in:
lukasmartinelli
2016-10-28 13:07:42 +02:00
parent 38dcc030b0
commit 0df15c613e
3 changed files with 13 additions and 7 deletions
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11
layers/place/important_place.sql
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@@ -1,4 +1,4 @@
CREATE TABLE IF NOT EXISTS osm_important_place_point AS (
WITH important_place_point AS (
SELECT osm.geometry, osm.osm_id, osm.name, osm.name_en, osm.place, ne.scalerank, COALESCE(osm.population, ne.pop_min) AS population
FROM ne_10m_populated_places AS ne, osm_place_point AS osm
WHERE
@@ -16,7 +16,10 @@ CREATE TABLE IF NOT EXISTS osm_important_place_point AS (
)
AND (osm.place = 'city' OR osm.place= 'town' OR osm.place = 'village')
AND ST_DWithin(ne.geom, osm.geometry, 50000)
);
)
UPDATE osm_place_point
SET scalerank = important_place_point.scalerank
FROM important_place_point
WHERE osm_place_point.osm_id = important_place_point.osm_id;
CREATE INDEX IF NOT EXISTS osm_important_place_point_geometry_idx ON osm_important_place_point USING gist(geometry);
CLUSTER osm_important_place_point USING osm_important_place_point_geometry_idx;
CREATE INDEX IF NOT EXISTS osm_place_point_scalerank_idx ON osm_place_point (scalerank);