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Fix #315: Prevent OSM valndalism on buildings

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jirik 2017-08-07 13:33:08 +02:00 committed by Jiri Kozel
parent 183f730814
commit 1195126c90
1 changed files with 4 additions and 3 deletions
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7
layers/building/building.sql
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@ -83,15 +83,16 @@ RETURNS TABLE(geometry geometry, osm_id bigint, render_height int, render_min_he
WHERE zoom_level = 13 AND geometry && bbox WHERE zoom_level = 13 AND geometry && bbox
UNION ALL UNION ALL
-- etldoc: osm_building_polygon -> layer_building:z14_ -- etldoc: osm_building_polygon -> layer_building:z14_
SELECT DISTINCT ON (osm_id) SELECT DISTINCT ON (osm_id)
osm_id, geometry, osm_id, geometry,
ceil( COALESCE(height, levels*3.66,5))::int AS render_height, ceil( COALESCE(height, levels*3.66,5))::int AS render_height,
floor(COALESCE(min_height, min_level*3.66,0))::int AS render_min_height FROM floor(COALESCE(min_height, min_level*3.66,0))::int AS render_min_height FROM
osm_all_buildings osm_all_buildings
WHERE zoom_level >= 14 AND geometry && bbox WHERE
levels < 1000 AND
zoom_level >= 14 AND geometry && bbox
) AS zoom_levels ) AS zoom_levels
ORDER BY render_height ASC, ST_YMin(geometry) DESC; ORDER BY render_height ASC, ST_YMin(geometry) DESC;
$$ LANGUAGE SQL IMMUTABLE; $$ LANGUAGE SQL IMMUTABLE;
-- not handled: where a building outline covers building parts -- not handled: where a building outline covers building parts