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Return railways in transportation

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This commit is contained in:
Lukas Martinelli
2016-11-26 21:08:30 +00:00
parent 24b1e763fa
commit e9f4c31e0a
4 changed files with 33 additions and 32 deletions
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30
layers/transportation/layer.sql
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@@ -6,10 +6,14 @@ $$ LANGUAGE SQL IMMUTABLE STRICT;
-- etldoc: layer_transportation[shape=record fillcolor=lightpink, style="rounded,filled",
-- etldoc: label="<sql> layer_transportation |<z4z7> z4-z7 |<z8> z8 |<z9> z9 |<z10> z10 |<z11> z11 |<z12> z12|<z13> z13|<z14_> z14_" ] ;
CREATE OR REPLACE FUNCTION layer_transportation(bbox geometry, zoom_level int)
RETURNS TABLE(osm_id bigint, geometry geometry, class highway_class, subclass text, ramp int, oneway int, brunnel TEXT) AS $$
RETURNS TABLE(osm_id bigint, geometry geometry, class text, subclass text, ramp int, oneway int, brunnel TEXT) AS $$
SELECT
osm_id, geometry,
to_highway_class(highway) AS class, highway AS subclass,
CASE
WHEN highway <> '' THEN to_highway_class(highway)
WHEN railway <> '' THEN railway_class(railway, service)
END AS class,
COALESCE(NULLIF(highway,''), NULLIF(railway, '')) AS subclass,
CASE WHEN highway_is_link(highway) THEN 1 ELSE is_ramp::int END AS ramp,
is_oneway::int AS oneway,
to_brunnel(is_bridge, is_tunnel, is_ford) AS brunnel
@@ -17,7 +21,7 @@ RETURNS TABLE(osm_id bigint, geometry geometry, class highway_class, subclass te
-- etldoc: ne_10m_global_roads -> layer_transportation:z4z6
SELECT
NULL::bigint AS osm_id, geometry, highway,
NULL::bigint AS osm_id, geometry, highway, NULL AS railway, NULL AS service,
FALSE AS is_bridge, FALSE AS is_tunnel, FALSE AS is_ford, FALSE AS is_ramp, FALSE AS is_oneway,
0 AS z_order
FROM ne_10m_global_roads
@@ -25,48 +29,48 @@ RETURNS TABLE(osm_id bigint, geometry geometry, class highway_class, subclass te
UNION ALL
-- etldoc: osm_transportation_linestring_gen4 -> layer_transportation:z7z8
SELECT osm_id, geometry, highway, is_bridge, is_tunnel, is_ford, is_ramp, is_oneway, z_order
SELECT osm_id, geometry, highway, railway, NULL AS service, is_bridge, is_tunnel, is_ford, is_ramp, is_oneway, z_order
FROM osm_transportation_linestring_gen4
WHERE zoom_level BETWEEN 7 AND 8
UNION ALL
-- etldoc: osm_transportation_linestring_gen3 -> layer_transportation:z9
SELECT osm_id, geometry, highway, is_bridge, is_tunnel, is_ford, is_ramp, is_oneway, z_order
SELECT osm_id, geometry, highway, railway, NULL AS service, is_bridge, is_tunnel, is_ford, is_ramp, is_oneway, z_order
FROM osm_transportation_linestring_gen3
WHERE zoom_level = 9
UNION ALL
-- etldoc: osm_transportation_linestring_gen2 -> layer_transportation:z10
SELECT osm_id, geometry, highway, is_bridge, is_tunnel, is_ford, is_ramp, is_oneway, z_order
SELECT osm_id, geometry, highway, railway, NULL AS service, is_bridge, is_tunnel, is_ford, is_ramp, is_oneway, z_order
FROM osm_transportation_linestring_gen2
WHERE zoom_level = 10
UNION ALL
-- etldoc: osm_transportation_linestring_gen1 -> layer_transportation:z11
SELECT osm_id, geometry, highway, is_bridge, is_tunnel, is_ford, is_ramp, is_oneway, z_order
SELECT osm_id, geometry, highway, railway, NULL AS service, is_bridge, is_tunnel, is_ford, is_ramp, is_oneway, z_order
FROM osm_transportation_linestring_gen1
WHERE zoom_level = 11
UNION ALL
-- etldoc: osm_transportation_linestring -> layer_transportation:z12
SELECT osm_id, geometry, highway, is_bridge, is_tunnel, is_ford, is_ramp, is_oneway, z_order
SELECT osm_id, geometry, highway, railway, NULL AS service, is_bridge, is_tunnel, is_ford, is_ramp, is_oneway, z_order
FROM osm_transportation_linestring
WHERE zoom_level = 12
AND (to_highway_class(highway) < 'minor_road'::highway_class OR highway IN ('unclassified', 'residential'))
AND (to_highway_class(highway) NOT IN ('minor_road', 'path') OR highway IN ('unclassified', 'residential'))
AND NOT highway_is_link(highway)
AND NOT is_area
UNION ALL
-- etldoc: osm_transportation_linestring -> layer_transportation:z13
SELECT osm_id, geometry, highway, is_bridge, is_tunnel, is_ford, is_ramp, is_oneway, z_order
SELECT osm_id, geometry, highway, railway, NULL AS service, is_bridge, is_tunnel, is_ford, is_ramp, is_oneway, z_order
FROM osm_transportation_linestring
WHERE zoom_level = 13
AND to_highway_class(highway) < 'path'::highway_class
AND to_highway_class(highway) <> 'path'
AND NOT is_area
UNION ALL
-- etldoc: osm_transportation_linestring -> layer_transportation:z14_
SELECT osm_id, geometry, highway, is_bridge, is_tunnel, is_ford, is_ramp, is_oneway, z_order
SELECT osm_id, geometry, highway, railway, NULL AS service, is_bridge, is_tunnel, is_ford, is_ramp, is_oneway, z_order
FROM osm_transportation_linestring
WHERE zoom_level >= 14 AND NOT is_area
UNION ALL
@@ -75,7 +79,7 @@ RETURNS TABLE(osm_id bigint, geometry geometry, class highway_class, subclass te
-- it is possible that closed linestrings appear both as highway linestrings and as polygon
-- etldoc: osm_transportation__polygon -> layer_transportation:z13
-- etldoc: osm_transportation__polygon -> layer_transportation:z14_
SELECT osm_id, geometry, highway, FALSE AS is_bridge, FALSE AS is_tunnel, FALSE AS is_ford, FALSE AS is_ramp, FALSE AS is_oneway, z_order
SELECT osm_id, geometry, highway, NULL AS railway, NULL AS service, FALSE AS is_bridge, FALSE AS is_tunnel, FALSE AS is_ford, FALSE AS is_ramp, FALSE AS is_oneway, z_order
FROM osm_transportation_polygon
-- We do not want underground pedestrian areas for now
WHERE zoom_level >= 13 AND is_area AND COALESCE(layer, 0) >= 0