d0ff8be5f4
`nullif(as_numeric(height),-1)` is doing a double conversion -- null into -1 followed by -1 back into null. Remove that, and delete unused `as_numeric`
96 lines
4.6 KiB
PL/PgSQL
96 lines
4.6 KiB
PL/PgSQL
-- etldoc: layer_building[shape=record fillcolor=lightpink, style="rounded,filled",
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-- etldoc: label="layer_building | <z13> z13 | <z14_> z14+ " ] ;
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CREATE INDEX IF NOT EXISTS osm_building_relation_building_idx ON osm_building_relation(building) WHERE building = '' AND ST_GeometryType(geometry) = 'ST_Polygon';
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CREATE INDEX IF NOT EXISTS osm_building_relation_member_idx ON osm_building_relation(member) WHERE role = 'outline';
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CREATE OR REPLACE VIEW osm_all_buildings AS (
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-- etldoc: osm_building_relation -> layer_building:z14_
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-- Buildings built from relations
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SELECT member AS osm_id, geometry,
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COALESCE(CleanNumeric(height), CleanNumeric(buildingheight)) as height,
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COALESCE(CleanNumeric(min_height), CleanNumeric(buildingmin_height)) as min_height,
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COALESCE(CleanNumeric(levels), CleanNumeric(buildinglevels)) as levels,
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COALESCE(CleanNumeric(min_level), CleanNumeric(buildingmin_level)) as min_level,
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nullif(material, '') AS material,
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nullif(colour, '') AS colour,
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FALSE as hide_3d
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FROM
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osm_building_relation WHERE building = '' AND ST_GeometryType(geometry) = 'ST_Polygon'
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UNION ALL
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-- etldoc: osm_building_polygon -> layer_building:z14_
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-- Standalone buildings
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SELECT obp.osm_id, obp.geometry,
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COALESCE(CleanNumeric(obp.height), CleanNumeric(obp.buildingheight)) as height,
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COALESCE(CleanNumeric(obp.min_height), CleanNumeric(obp.buildingmin_height)) as min_height,
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COALESCE(CleanNumeric(obp.levels), CleanNumeric(obp.buildinglevels)) as levels,
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COALESCE(CleanNumeric(obp.min_level), CleanNumeric(obp.buildingmin_level)) as min_level,
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nullif(obp.material, '') AS material,
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nullif(obp.colour, '') AS colour,
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obr.role IS NOT NULL AS hide_3d
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FROM
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osm_building_polygon obp
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LEFT JOIN osm_building_relation obr ON
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obp.osm_id >= 0 AND
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obr.member = obp.osm_id AND
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obr.role = 'outline'
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WHERE ST_GeometryType(obp.geometry) IN ('ST_Polygon', 'ST_MultiPolygon')
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);
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CREATE OR REPLACE FUNCTION layer_building(bbox geometry, zoom_level int)
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RETURNS TABLE(geometry geometry, osm_id bigint, render_height int, render_min_height int, colour text, hide_3d boolean) AS $$
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SELECT geometry, osm_id, render_height, render_min_height,
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COALESCE(colour, CASE material
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-- Ordered by count from taginfo
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WHEN 'cement_block' THEN '#6a7880'
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WHEN 'brick' THEN '#bd8161'
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WHEN 'plaster' THEN '#dadbdb'
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WHEN 'wood' THEN '#d48741'
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WHEN 'concrete' THEN '#d3c2b0'
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WHEN 'metal' THEN '#b7b1a6'
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WHEN 'stone' THEN '#b4a995'
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WHEN 'mud' THEN '#9d8b75'
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WHEN 'steel' THEN '#b7b1a6' -- same as metal
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WHEN 'glass' THEN '#5a81a0'
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WHEN 'traditional' THEN '#bd8161' -- same as brick
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WHEN 'masonry' THEN '#bd8161' -- same as brick
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WHEN 'Brick' THEN '#bd8161' -- same as brick
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WHEN 'tin' THEN '#b7b1a6' -- same as metal
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WHEN 'timber_framing' THEN '#b3b0a9'
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WHEN 'sandstone' THEN '#b4a995' -- same as stone
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WHEN 'clay' THEN '#9d8b75' -- same as mud
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END) AS colour,
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CASE WHEN hide_3d THEN TRUE END AS hide_3d
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FROM (
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-- etldoc: osm_building_polygon_gen1 -> layer_building:z13
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SELECT
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osm_id, geometry,
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NULL::int AS render_height, NULL::int AS render_min_height,
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NULL::text AS material, NULL::text AS colour,
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FALSE AS hide_3d
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FROM osm_building_polygon_gen1
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WHERE zoom_level = 13 AND geometry && bbox
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UNION ALL
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-- etldoc: osm_building_polygon -> layer_building:z14_
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SELECT DISTINCT ON (osm_id)
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osm_id, geometry,
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ceil(COALESCE(height, levels*3.66, 5))::int AS render_height,
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floor(COALESCE(min_height, min_level*3.66, 0))::int AS render_min_height,
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material,
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colour,
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hide_3d
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FROM osm_all_buildings
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WHERE
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(levels IS NULL OR levels < 1000) AND
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(min_level IS NULL OR min_level < 1000) AND
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(height IS NULL OR height < 3000) AND
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(min_height IS NULL OR min_height < 3000) AND
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zoom_level >= 14 AND geometry && bbox
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) AS zoom_levels
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ORDER BY render_height ASC, ST_YMin(geometry) DESC;
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$$
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LANGUAGE SQL IMMUTABLE;
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-- not handled: where a building outline covers building parts
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