kopia lustrzana https://github.com/openmaptiles/openmaptiles
Refactor road into table function
rodzic
c3aa9ae0a8
commit
7cb3b4a43a
30
data.yml
30
data.yml
|
@ -68,34 +68,8 @@ Layer:
|
|||
max_size: 512
|
||||
password: osm
|
||||
port: 5432
|
||||
srid: ''
|
||||
table: |-
|
||||
( SELECT *
|
||||
FROM (
|
||||
SELECT * FROM road_z4 WHERE z(!scale_denominator!) BETWEEN 4 AND 5
|
||||
UNION ALL
|
||||
SELECT * FROM road_z5 WHERE z(!scale_denominator!) = 5
|
||||
UNION ALL
|
||||
SELECT * FROM road_z6 WHERE z(!scale_denominator!) = 6
|
||||
UNION ALL
|
||||
SELECT * FROM road_z7 WHERE z(!scale_denominator!) = 7
|
||||
UNION ALL
|
||||
SELECT * FROM road_z8 WHERE z(!scale_denominator!) = 8
|
||||
UNION ALL
|
||||
SELECT ST_Simplify(geom, 200), class FROM road_z9 WHERE z(!scale_denominator!) = 9
|
||||
UNION ALL
|
||||
SELECT ST_Simplify(geom, 120), class FROM road_z10 WHERE z(!scale_denominator!) = 10
|
||||
UNION ALL
|
||||
SELECT ST_Simplify(geom, 50), class FROM road_z11 WHERE z(!scale_denominator!) = 11
|
||||
UNION ALL
|
||||
SELECT ST_Simplify(geom, 20), class FROM road_z12 WHERE z(!scale_denominator!) = 12
|
||||
UNION ALL
|
||||
SELECT * FROM road_z13 WHERE z(!scale_denominator!) = 13
|
||||
UNION ALL
|
||||
SELECT * FROM road_z14 WHERE z(!scale_denominator!) >= 14
|
||||
) AS road
|
||||
WHERE geom && !bbox!
|
||||
) AS data
|
||||
srid: 900913
|
||||
table: (SELECT * FROM layer_road(!bbox!, z(!scale_denominator!))) AS t
|
||||
type: postgis
|
||||
user: osm
|
||||
description: Buildings
|
||||
|
|
|
@ -1,8 +1,8 @@
|
|||
CREATE OR REPLACE FUNCTION ne_road_class(type VARCHAR) RETURNS VARCHAR AS $$
|
||||
SELECT CASE type
|
||||
WHEN 'Major Highway' THEN 'motorway'
|
||||
WHEN 'Secondary Highway' THEN 'trunk'
|
||||
WHEN 'Road' THEN 'primary'
|
||||
WHEN 'Major Highway' THEN 'motorway'
|
||||
WHEN 'Secondary Highway' THEN 'trunk'
|
||||
WHEN 'Road' THEN 'primary'
|
||||
ELSE type
|
||||
END;
|
||||
$$ LANGUAGE SQL IMMUTABLE;
|
||||
|
@ -10,13 +10,13 @@ $$ LANGUAGE SQL IMMUTABLE;
|
|||
CREATE OR REPLACE VIEW ne_10m_global_roads AS (
|
||||
SELECT geom, scalerank, ne_road_class(type) AS class
|
||||
FROM ne_10m_roads
|
||||
WHERE continent <> 'North America'
|
||||
WHERE continent <> 'North America'
|
||||
AND featurecla = 'Road'
|
||||
AND type IN ('Major Highway', 'Secondary Highway', 'Road')
|
||||
UNION ALL
|
||||
SELECT geom, scalerank, ne_road_class(type) AS class
|
||||
FROM ne_10m_roads_north_america
|
||||
WHERE type IN ('Major Highway', 'Secondary Highway', 'Road')
|
||||
WHERE type IN ('Major Highway', 'Secondary Highway', 'Road')
|
||||
);
|
||||
|
||||
CREATE OR REPLACE VIEW road_z4 AS (
|
||||
|
@ -92,3 +92,32 @@ CREATE OR REPLACE VIEW road_z14 AS (
|
|||
SELECT way AS geom, class::text
|
||||
FROM road_areas
|
||||
);
|
||||
|
||||
CREATE OR REPLACE FUNCTION layer_road(bbox geometry, zoom_level int)
|
||||
RETURNS TABLE(geom geometry, class text) AS $$
|
||||
WITH zoom_levels AS (
|
||||
SELECT * FROM road_z4 WHERE zoom_level BETWEEN 4 AND 5
|
||||
UNION ALL
|
||||
SELECT * FROM road_z5 WHERE zoom_level = 5
|
||||
UNION ALL
|
||||
SELECT * FROM road_z6 WHERE zoom_level = 6
|
||||
UNION ALL
|
||||
SELECT * FROM road_z7 WHERE zoom_level = 7
|
||||
UNION ALL
|
||||
SELECT * FROM road_z8 WHERE zoom_level = 8
|
||||
UNION ALL
|
||||
SELECT ST_Simplify(geom, 200), class FROM road_z9 WHERE zoom_level = 9
|
||||
UNION ALL
|
||||
SELECT ST_Simplify(geom, 120), class FROM road_z10 WHERE zoom_level = 10
|
||||
UNION ALL
|
||||
SELECT ST_Simplify(geom, 50), class FROM road_z11 WHERE zoom_level = 11
|
||||
UNION ALL
|
||||
SELECT ST_Simplify(geom, 20), class FROM road_z12 WHERE zoom_level = 12
|
||||
UNION ALL
|
||||
SELECT * FROM road_z13 WHERE zoom_level = 13
|
||||
UNION ALL
|
||||
SELECT * FROM road_z14 WHERE zoom_level >= 14
|
||||
)
|
||||
SELECT geom, class::text FROM zoom_levels
|
||||
WHERE geom && bbox;
|
||||
$$ LANGUAGE SQL IMMUTABLE;
|
||||
|
|
Ładowanie…
Reference in New Issue