cerxes/openmaptiles
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Filter places by grid rank

Browse Source
This commit is contained in:
lukasmartinelli
2016-10-08 15:23:19 +02:00
parent 201defe496
commit 7a8e16ec8e
2 changed files with 56 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
schema/layers/place.sql
View File

@@ -1,32 +1,47 @@
CREATE OR REPLACE VIEW place_z3 AS (
SELECT geom, name, 'settlement' AS class, 'city' AS rank, scalerank
SELECT geom, name, 'settlement' AS class, 'city'::place AS rank, scalerank, pop_min AS population
FROM ne_10m_populated_places
WHERE scalerank <= 2
);
CREATE OR REPLACE VIEW place_z4 AS (
SELECT geom, name, 'settlement' AS class, 'city' AS rank, scalerank
SELECT geom, name, 'settlement' AS class, 'city'::place AS rank, scalerank, pop_min AS population
FROM ne_10m_populated_places
WHERE scalerank <= 5
);
CREATE OR REPLACE VIEW place_z5 AS (
SELECT geom, name, 'settlement' AS class, 'city' AS rank, scalerank
SELECT geom, name, 'settlement' AS class, 'city'::place AS rank, scalerank, pop_min AS population
FROM ne_10m_populated_places
WHERE scalerank <= 6
);
CREATE OR REPLACE VIEW place_z6 AS (
SELECT geom, name, 'settlement' AS class, 'city' AS rank, scalerank
SELECT geom, name, 'settlement' AS class, 'city'::place AS rank, scalerank, pop_min AS population
FROM ne_10m_populated_places
WHERE scalerank <= 7
);
CREATE OR REPLACE VIEW place_z7 AS (
SELECT geom, name, 'settlement' AS class, 'city' AS rank, scalerank FROM ne_10m_populated_places
SELECT geom, name, 'settlement' AS class, 'city'::place AS rank, scalerank, pop_min AS population
FROM ne_10m_populated_places
);
CREATE OR REPLACE VIEW place_z8 AS (
SELECT way AS geom, name, class::text, rank::text, NULL::integer AS scalerank FROM place_point
SELECT way AS geom, name, class::text, rank, NULL::integer AS scalerank, population FROM place_point
WHERE rank IN ('city', 'town')
);
CREATE OR REPLACE VIEW place_z10 AS (
SELECT way AS geom, name, class::text, rank, NULL::integer AS scalerank, population FROM place_point
WHERE rank IN ('city', 'town', 'village') OR class='subregion'
);
CREATE OR REPLACE VIEW place_z11 AS (
SELECT way AS geom, name, class::text, rank, NULL::integer AS scalerank, population FROM place_point
WHERE class IN ('subregion', 'settlement')
);
CREATE OR REPLACE VIEW place_z13 AS (
SELECT way AS geom, name, class::text, rank, NULL::integer AS scalerank, population FROM place_point
);