kopia lustrzana https://github.com/openmaptiles/openmaptiles
Filter out large rivers
rodzic
5c58cb70e0
commit
ea2530788f
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@ -1,15 +1,15 @@
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generalized_tables:
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water_polygon_gen3:
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source: water_polygon
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sql_filter: area>15000000.0
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sql_filter: area>15000000.0 AND waterway = ''
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tolerance: 350.0
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water_polygon_gen2:
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source: water_polygon
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sql_filter: area>2000000
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sql_filter: area>2000000 AND waterway = ''
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tolerance: 200.0
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water_polygon_gen1:
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source: water_polygon
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sql_filter: area>500000
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sql_filter: area>500000 AND waterway = ''
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tolerance: 100.0
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tables:
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water_polygon:
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@ -26,6 +26,15 @@ tables:
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- name: name_en
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key: name:en
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type: string
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- name: natural
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key: natural
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type: string
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- name: landuse
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key: landuse
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type: string
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- name: waterway
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key: waterway
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type: string
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filters:
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exclude_tags:
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- [ "covered", "yes" ]
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@ -1,3 +1,8 @@
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CREATE OR REPLACE FUNCTION water_class(waterway TEXT) RETURNS TEXT AS $$
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SELECT CASE WHEN waterway='' THEN 'lake' ELSE 'river' END;
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$$ LANGUAGE SQL IMMUTABLE;
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CREATE OR REPLACE VIEW water_z0 AS (
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SELECT geom, 'ocean' AS class FROM ne_110m_ocean
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UNION ALL
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@ -51,19 +56,19 @@ CREATE OR REPLACE VIEW water_z9 AS (
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);
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CREATE OR REPLACE VIEW water_z11 AS (
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SELECT geometry AS geom, 'lake' AS class FROM osm_water_polygon WHERE area > 40000
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SELECT geometry AS geom, water_class(waterway) AS class FROM osm_water_polygon WHERE area > 40000
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);
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CREATE OR REPLACE VIEW water_z12 AS (
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SELECT geometry AS geom, 'lake' AS class FROM osm_water_polygon WHERE area > 10000
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SELECT geometry AS geom, water_class(waterway) AS class FROM osm_water_polygon WHERE area > 10000
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);
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CREATE OR REPLACE VIEW water_z13 AS (
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SELECT geometry AS geom, 'lake' AS class FROM osm_water_polygon WHERE area > 5000
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SELECT geometry AS geom, water_class(waterway) AS class FROM osm_water_polygon WHERE area > 5000
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);
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CREATE OR REPLACE VIEW water_z14 AS (
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SELECT geometry AS geom, 'lake' AS class FROM osm_water_polygon
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SELECT geometry AS geom, water_class(waterway) AS class FROM osm_water_polygon
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);
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CREATE OR REPLACE FUNCTION layer_water (bbox geometry, zoom_level int)
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@ -1,7 +1,7 @@
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layer:
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id: "water"
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description: |
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Water polygons and linestrings representing oceans, lakes and waterways.
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Water polygons and linestrings representing oceans, lakes.
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buffer_size: 4
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datasource:
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query: (SELECT geom, class FROM layer_water(!bbox!, z(!scale_denominator!))) AS t
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