kopia lustrzana https://github.com/openmaptiles/openmaptiles
Limit service values
rodzic
0cbc3fa896
commit
d932fb96b3
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@ -32,3 +32,12 @@ CREATE OR REPLACE FUNCTION railway_class(railway TEXT) RETURNS TEXT AS $$
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ELSE NULL
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END;
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$$ LANGUAGE SQL IMMUTABLE STRICT;
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-- Limit service to only the most important values to ensure
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-- we always know the values of service
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CREATE OR REPLACE FUNCTION service_value(service TEXT) RETURNS TEXT AS $$
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SELECT CASE
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WHEN service IN ('spur', 'yard', 'siding', 'crossover', 'driveway', 'alley', 'parking_aisle') THEN service
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ELSE NULL
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END;
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$$ LANGUAGE SQL IMMUTABLE STRICT;
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@ -80,7 +80,8 @@ RETURNS TABLE(osm_id bigint, geometry geometry, class text, subclass text, ramp
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-- etldoc: osm_highway_linestring -> layer_transportation:z13
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-- etldoc: osm_highway_linestring -> layer_transportation:z14_
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SELECT
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osm_id, geometry, highway, NULL AS railway, service,
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osm_id, geometry, highway, NULL AS railway,
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service_value(service) AS service,
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is_bridge, is_tunnel, is_ford, is_ramp, is_oneway, z_order
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FROM osm_highway_linestring
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WHERE NOT is_area AND (
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@ -96,7 +97,8 @@ RETURNS TABLE(osm_id bigint, geometry geometry, class text, subclass text, ramp
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-- etldoc: osm_railway_linestring -> layer_transportation:z13
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-- etldoc: osm_railway_linestring -> layer_transportation:z14
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SELECT
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osm_id, geometry, NULL AS highway, railway, service,
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osm_id, geometry, NULL AS highway, railway,
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service_value(service) AS service,
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is_bridge, is_tunnel, is_ford, is_ramp, is_oneway, z_order
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FROM osm_railway_linestring
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WHERE zoom_level = 13 AND (railway='rail' AND service = '')
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