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Disable steps in highways

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This commit is contained in:
lukasmartinelli
2016-10-25 18:45:36 +02:00
parent eecb853a60
commit b6430eace2
2 changed files with 43 additions and 8 deletions
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18
layers/highway/highway.sql
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@@ -34,15 +34,27 @@ RETURNS TABLE(osm_id bigint, geometry geometry, class highway_class, subclass te
UNION ALL
SELECT osm_id, geometry, highway, is_bridge, is_tunnel, is_ford, is_ramp, is_oneway, z_order
FROM osm_highway_linestring
WHERE zoom_level = 12 AND to_highway_class(highway) < 'minor_road'::highway_class AND NOT highway_is_link(highway)
WHERE zoom_level = 12
AND to_highway_class(highway) < 'minor_road'::highway_class
AND NOT highway_is_link(highway)
AND NOT is_area
UNION ALL
SELECT osm_id, geometry, highway, is_bridge, is_tunnel, is_ford, is_ramp, is_oneway, z_order
FROM osm_highway_linestring
WHERE zoom_level = 13 AND to_highway_class(highway) < 'path'::highway_class
WHERE zoom_level = 13
AND to_highway_class(highway) < 'path'::highway_class
AND NOT is_area
UNION ALL
SELECT osm_id, geometry, highway, is_bridge, is_tunnel, is_ford, is_ramp, is_oneway, z_order
FROM osm_highway_linestring
WHERE zoom_level >= 14
WHERE zoom_level >= 14 AND NOT is_area
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
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
FROM osm_highway_polygon
-- We do not want underground pedestrian areas for now
WHERE zoom_level BETWEEN 13 AND 14 AND is_area AND COALESCE(layer, 0) >= 0
) AS zoom_levels
WHERE geometry && bbox
ORDER BY z_order ASC;