CREATE OR REPLACE FUNCTION highway_is_link(highway text) RETURNS boolean AS $$ SELECT highway LIKE '%_link'; $$ LANGUAGE SQL IMMUTABLE STRICT PARALLEL SAFE; -- etldoc: layer_transportation[shape=record fillcolor=lightpink, style="rounded,filled", -- etldoc: label=" layer_transportation | z4 | z5 | z6 | z7 | z8 | z9 | z10 | z11 | z12| z13| z14+" ] ; CREATE OR REPLACE FUNCTION layer_transportation(bbox geometry, zoom_level int) RETURNS TABLE ( osm_id bigint, geometry geometry, class text, subclass text, ramp int, oneway int, brunnel text, service text, layer int, level int, indoor int, bicycle text, foot text, horse text, mtb_scale text, surface text ) AS $$ SELECT osm_id, geometry, CASE WHEN NULLIF(highway, '') IS NOT NULL OR NULLIF(public_transport, '') IS NOT NULL THEN highway_class(highway, public_transport, construction) WHEN NULLIF(railway, '') IS NOT NULL THEN railway_class(railway) WHEN NULLIF(aerialway, '') IS NOT NULL THEN 'aerialway' WHEN NULLIF(shipway, '') IS NOT NULL THEN shipway WHEN NULLIF(man_made, '') IS NOT NULL THEN man_made END AS class, CASE WHEN railway IS NOT NULL THEN railway WHEN (highway IS NOT NULL OR public_transport IS NOT NULL) AND highway_class(highway, public_transport, construction) = 'path' THEN COALESCE(NULLIF(public_transport, ''), highway) WHEN aerialway IS NOT NULL THEN aerialway END AS subclass, -- All links are considered as ramps as well CASE WHEN highway_is_link(highway) OR highway = 'steps' THEN 1 ELSE is_ramp::int END AS ramp, is_oneway::int AS oneway, brunnel(is_bridge, is_tunnel, is_ford) AS brunnel, NULLIF(service, '') AS service, NULLIF(layer, 0) AS layer, "level", CASE WHEN indoor = TRUE THEN 1 END AS indoor, NULLIF(bicycle, '') AS bicycle, NULLIF(foot, '') AS foot, NULLIF(horse, '') AS horse, NULLIF(mtb_scale, '') AS mtb_scale, NULLIF(surface, '') AS surface FROM ( -- etldoc: osm_transportation_merge_linestring_gen_z4 -> layer_transportation:z4 SELECT osm_id, geometry, highway, construction, NULL AS railway, NULL AS aerialway, NULL AS shipway, NULL AS public_transport, NULL AS service, is_bridge, is_tunnel, is_ford, NULL::boolean AS is_ramp, NULL::int AS is_oneway, NULL AS man_made, NULL::int AS layer, NULL::int AS level, NULL::boolean AS indoor, NULL AS bicycle, NULL AS foot, NULL AS horse, NULL AS mtb_scale, NULL AS surface, z_order FROM osm_transportation_merge_linestring_gen_z4 WHERE zoom_level = 4 UNION ALL -- etldoc: osm_transportation_merge_linestring_gen_z5 -> layer_transportation:z5 SELECT osm_id, geometry, highway, construction, NULL AS railway, NULL AS aerialway, NULL AS shipway, NULL AS public_transport, NULL AS service, is_bridge, is_tunnel, is_ford, NULL::boolean AS is_ramp, NULL::int AS is_oneway, NULL AS man_made, NULL::int AS layer, NULL::int AS level, NULL::boolean AS indoor, NULL AS bicycle, NULL AS foot, NULL AS horse, NULL AS mtb_scale, NULL AS surface, z_order FROM osm_transportation_merge_linestring_gen_z5 WHERE zoom_level = 5 UNION ALL -- etldoc: osm_transportation_merge_linestring_gen_z6 -> layer_transportation:z6 SELECT osm_id, geometry, highway, construction, NULL AS railway, NULL AS aerialway, NULL AS shipway, NULL AS public_transport, NULL AS service, is_bridge, is_tunnel, is_ford, NULL::boolean AS is_ramp, NULL::int AS is_oneway, NULL AS man_made, NULL::int AS layer, NULL::int AS level, NULL::boolean AS indoor, NULL AS bicycle, NULL AS foot, NULL AS horse, NULL AS mtb_scale, NULL AS surface, z_order FROM osm_transportation_merge_linestring_gen_z6 WHERE zoom_level = 6 UNION ALL -- etldoc: osm_transportation_merge_linestring_gen_z7 -> layer_transportation:z7 SELECT osm_id, geometry, highway, construction, NULL AS railway, NULL AS aerialway, NULL AS shipway, NULL AS public_transport, NULL AS service, is_bridge, is_tunnel, is_ford, NULL::boolean AS is_ramp, NULL::int AS is_oneway, NULL AS man_made, NULL::int AS layer, NULL::int AS level, NULL::boolean AS indoor, NULL AS bicycle, NULL AS foot, NULL AS horse, NULL AS mtb_scale, NULL AS surface, z_order FROM osm_transportation_merge_linestring_gen_z7 WHERE zoom_level = 7 UNION ALL -- etldoc: osm_transportation_merge_linestring_gen_z8 -> layer_transportation:z8 SELECT osm_id, geometry, highway, construction, NULL AS railway, NULL AS aerialway, NULL AS shipway, NULL AS public_transport, NULL AS service, is_bridge, is_tunnel, is_ford, NULL::boolean AS is_ramp, NULL::int AS is_oneway, NULL AS man_made, NULL::int AS layer, NULL::int AS level, NULL::boolean AS indoor, NULL AS bicycle, NULL AS foot, NULL AS horse, NULL AS mtb_scale, NULL AS surface, z_order FROM osm_transportation_merge_linestring_gen_z8 WHERE zoom_level = 8 UNION ALL -- etldoc: osm_highway_linestring_gen_z9 -> layer_transportation:z9 SELECT osm_id, geometry, highway, construction, NULL AS railway, NULL AS aerialway, NULL AS shipway, NULL AS public_transport, NULL AS service, is_bridge, is_tunnel, is_ford, NULL::boolean AS is_ramp, NULL::int AS is_oneway, NULL AS man_made, layer, NULL::int AS level, NULL::boolean AS indoor, bicycle, foot, horse, mtb_scale, NULL AS surface, z_order FROM osm_highway_linestring_gen_z9 WHERE zoom_level = 9 AND ST_Length(geometry) > ZRes(11) UNION ALL -- etldoc: osm_highway_linestring_gen_z10 -> layer_transportation:z10 SELECT osm_id, geometry, highway, construction, NULL AS railway, NULL AS aerialway, NULL AS shipway, NULL AS public_transport, NULL AS service, is_bridge, is_tunnel, is_ford, NULL::boolean AS is_ramp, NULL::int AS is_oneway, NULL AS man_made, layer, NULL::int AS level, NULL::boolean AS indoor, bicycle, foot, horse, mtb_scale, NULL AS surface, z_order FROM osm_highway_linestring_gen_z10 WHERE zoom_level = 10 AND ST_Length(geometry) > ZRes(11) UNION ALL -- etldoc: osm_highway_linestring_gen_z11 -> layer_transportation:z11 SELECT osm_id, geometry, highway, construction, NULL AS railway, NULL AS aerialway, NULL AS shipway, NULL AS public_transport, NULL AS service, is_bridge, is_tunnel, is_ford, NULL::boolean AS is_ramp, NULL::int AS is_oneway, NULL AS man_made, layer, NULL::int AS level, NULL::boolean AS indoor, bicycle, foot, horse, mtb_scale, NULL AS surface, z_order FROM osm_highway_linestring_gen_z11 WHERE zoom_level = 11 AND ST_Length(geometry) > ZRes(12) UNION ALL -- etldoc: osm_highway_linestring -> layer_transportation:z12 -- etldoc: osm_highway_linestring -> layer_transportation:z13 -- etldoc: osm_highway_linestring -> layer_transportation:z14_ SELECT osm_id, geometry, highway, construction, NULL AS railway, NULL AS aerialway, NULL AS shipway, public_transport, service_value(service) AS service, is_bridge, is_tunnel, is_ford, is_ramp, is_oneway, man_made, layer, CASE WHEN highway IN ('footway', 'steps') THEN "level" END AS "level", CASE WHEN highway IN ('footway', 'steps') THEN indoor END AS indoor, bicycle, foot, horse, mtb_scale, surface_value(surface) AS "surface", z_order FROM osm_highway_linestring WHERE NOT is_area AND ( zoom_level = 12 AND ( highway_class(highway, public_transport, construction) NOT IN ('track', 'path', 'minor') OR highway IN ('unclassified', 'residential') ) AND man_made <> 'pier' OR zoom_level = 13 AND ( highway_class(highway, public_transport, construction) NOT IN ('track', 'path') AND man_made <> 'pier' OR man_made = 'pier' AND NOT ST_IsClosed(geometry) ) OR zoom_level >= 14 AND ( man_made <> 'pier' OR NOT ST_IsClosed(geometry) ) ) UNION ALL -- etldoc: osm_railway_linestring_gen_z8 -> layer_transportation:z8 SELECT osm_id, geometry, NULL AS highway, NULL AS construction, railway, NULL AS aerialway, NULL AS shipway, NULL AS public_transport, service_value(service) AS service, NULL::boolean AS is_bridge, NULL::boolean AS is_tunnel, NULL::boolean AS is_ford, NULL::boolean AS is_ramp, NULL::int AS is_oneway, NULL AS man_made, NULL::int AS layer, NULL::int AS level, NULL::boolean AS indoor, NULL AS bicycle, NULL AS foot, NULL AS horse, NULL AS mtb_scale, NULL AS surface, z_order FROM osm_railway_linestring_gen_z8 WHERE zoom_level = 8 AND railway = 'rail' AND service = '' AND usage = 'main' UNION ALL -- etldoc: osm_railway_linestring_gen_z9 -> layer_transportation:z9 SELECT osm_id, geometry, NULL AS highway, NULL AS construction, railway, NULL AS aerialway, NULL AS shipway, NULL AS public_transport, service_value(service) AS service, NULL::boolean AS is_bridge, NULL::boolean AS is_tunnel, NULL::boolean AS is_ford, NULL::boolean AS is_ramp, NULL::int AS is_oneway, NULL AS man_made, layer, NULL::int AS level, NULL::boolean AS indoor, NULL AS bicycle, NULL AS foot, NULL AS horse, NULL AS mtb_scale, NULL AS surface, z_order FROM osm_railway_linestring_gen_z9 WHERE zoom_level = 9 AND railway = 'rail' AND service = '' AND usage = 'main' UNION ALL -- etldoc: osm_railway_linestring_gen_z10 -> layer_transportation:z10 SELECT osm_id, geometry, NULL AS highway, NULL AS construction, railway, NULL AS aerialway, NULL AS shipway, NULL AS public_transport, service_value(service) AS service, is_bridge, is_tunnel, is_ford, is_ramp, is_oneway, NULL AS man_made, layer, NULL::int AS level, NULL::boolean AS indoor, NULL AS bicycle, NULL AS foot, NULL AS horse, NULL AS mtb_scale, NULL AS surface, z_order FROM osm_railway_linestring_gen_z10 WHERE zoom_level = 10 AND railway IN ('rail', 'narrow_gauge') AND service = '' UNION ALL -- etldoc: osm_railway_linestring_gen_z11 -> layer_transportation:z11 SELECT osm_id, geometry, NULL AS highway, NULL AS construction, railway, NULL AS aerialway, NULL AS shipway, NULL AS public_transport, service_value(service) AS service, is_bridge, is_tunnel, is_ford, is_ramp, is_oneway, NULL AS man_made, layer, NULL::int AS level, NULL::boolean AS indoor, NULL AS bicycle, NULL AS foot, NULL AS horse, NULL AS mtb_scale, NULL AS surface, z_order FROM osm_railway_linestring_gen_z11 WHERE zoom_level = 11 AND railway IN ('rail', 'narrow_gauge', 'light_rail') AND service = '' UNION ALL -- etldoc: osm_railway_linestring_gen_z12 -> layer_transportation:z12 SELECT osm_id, geometry, NULL AS highway, NULL AS construction, railway, NULL AS aerialway, NULL AS shipway, NULL AS public_transport, service_value(service) AS service, is_bridge, is_tunnel, is_ford, is_ramp, is_oneway, NULL AS man_made, layer, NULL::int AS level, NULL::boolean AS indoor, NULL AS bicycle, NULL AS foot, NULL AS horse, NULL AS mtb_scale, NULL AS surface, z_order FROM osm_railway_linestring_gen_z12 WHERE zoom_level = 12 AND railway IN ('rail', 'narrow_gauge', 'light_rail') AND service = '' UNION ALL -- etldoc: osm_railway_linestring -> layer_transportation:z13 -- etldoc: osm_railway_linestring -> layer_transportation:z14_ SELECT osm_id, geometry, NULL AS highway, NULL AS construction, railway, NULL AS aerialway, NULL AS shipway, NULL AS public_transport, service_value(service) AS service, is_bridge, is_tunnel, is_ford, is_ramp, is_oneway, NULL AS man_made, layer, NULL::int AS level, NULL::boolean AS indoor, NULL AS bicycle, NULL AS foot, NULL AS horse, NULL AS mtb_scale, NULL AS surface, z_order FROM osm_railway_linestring WHERE zoom_level = 13 AND railway IN ('rail', 'narrow_gauge', 'light_rail') AND service = '' OR zoom_level >= 14 UNION ALL -- etldoc: osm_aerialway_linestring_gen_z12 -> layer_transportation:z12 SELECT osm_id, geometry, NULL AS highway, NULL AS construction, NULL AS railway, aerialway, NULL AS shipway, NULL AS public_transport, service_value(service) AS service, is_bridge, is_tunnel, is_ford, is_ramp, is_oneway, NULL AS man_made, layer, NULL::int AS level, NULL::boolean AS indoor, NULL AS bicycle, NULL AS foot, NULL AS horse, NULL AS mtb_scale, NULL AS surface, z_order FROM osm_aerialway_linestring_gen_z12 WHERE zoom_level = 12 UNION ALL -- etldoc: osm_aerialway_linestring -> layer_transportation:z13 -- etldoc: osm_aerialway_linestring -> layer_transportation:z14_ SELECT osm_id, geometry, NULL AS highway, NULL AS construction, NULL AS railway, aerialway, NULL AS shipway, NULL AS public_transport, service_value(service) AS service, is_bridge, is_tunnel, is_ford, is_ramp, is_oneway, NULL AS man_made, layer, NULL::int AS level, NULL::boolean AS indoor, NULL AS bicycle, NULL AS foot, NULL AS horse, NULL AS mtb_scale, NULL AS surface, z_order FROM osm_aerialway_linestring WHERE zoom_level >= 13 UNION ALL -- etldoc: osm_shipway_linestring_gen_z11 -> layer_transportation:z11 SELECT osm_id, geometry, NULL AS highway, NULL AS construction, NULL AS railway, NULL AS aerialway, shipway, NULL AS public_transport, service_value(service) AS service, is_bridge, is_tunnel, is_ford, is_ramp, is_oneway, NULL AS man_made, layer, NULL::int AS level, NULL::boolean AS indoor, NULL AS bicycle, NULL AS foot, NULL AS horse, NULL AS mtb_scale, NULL AS surface, z_order FROM osm_shipway_linestring_gen_z11 WHERE zoom_level = 11 UNION ALL -- etldoc: osm_shipway_linestring_gen_z12 -> layer_transportation:z12 SELECT osm_id, geometry, NULL AS highway, NULL AS construction, NULL AS railway, NULL AS aerialway, shipway, NULL AS public_transport, service_value(service) AS service, is_bridge, is_tunnel, is_ford, is_ramp, is_oneway, NULL AS man_made, layer, NULL::int AS level, NULL::boolean AS indoor, NULL AS bicycle, NULL AS foot, NULL AS horse, NULL AS mtb_scale, NULL AS surface, z_order FROM osm_shipway_linestring_gen_z12 WHERE zoom_level = 12 UNION ALL -- etldoc: osm_shipway_linestring -> layer_transportation:z13 -- etldoc: osm_shipway_linestring -> layer_transportation:z14_ SELECT osm_id, geometry, NULL AS highway, NULL AS construction, NULL AS railway, NULL AS aerialway, shipway, NULL AS public_transport, service_value(service) AS service, is_bridge, is_tunnel, is_ford, is_ramp, is_oneway, NULL AS man_made, layer, NULL::int AS level, NULL::boolean AS indoor, NULL AS bicycle, NULL AS foot, NULL AS horse, NULL AS mtb_scale, NULL AS surface, z_order FROM osm_shipway_linestring WHERE zoom_level >= 13 UNION ALL -- NOTE: We limit the selection of polys because we need to be -- careful to net get false positives here because -- it is possible that closed linestrings appear both as -- highway linestrings and as polygon -- etldoc: osm_highway_polygon -> layer_transportation:z13 -- etldoc: osm_highway_polygon -> layer_transportation:z14_ SELECT osm_id, geometry, highway, NULL AS construction, NULL AS railway, NULL AS aerialway, NULL AS shipway, public_transport, NULL AS service, CASE WHEN man_made IN ('bridge') THEN TRUE ELSE FALSE END AS is_bridge, FALSE AS is_tunnel, FALSE AS is_ford, FALSE AS is_ramp, FALSE::int AS is_oneway, man_made, layer, NULL::int AS level, NULL::boolean AS indoor, NULL AS bicycle, NULL AS foot, NULL AS horse, NULL AS mtb_scale, NULL AS surface, z_order FROM osm_highway_polygon -- We do not want underground pedestrian areas for now WHERE zoom_level >= 13 AND ( man_made IN ('bridge', 'pier') OR (is_area AND COALESCE(layer, 0) >= 0) ) ) AS zoom_levels WHERE geometry && bbox ORDER BY z_order ASC; $$ LANGUAGE SQL STABLE -- STRICT PARALLEL SAFE;