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More intermediate zoom levels for residential

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This commit is contained in:
Lukas Martinelli 2016-11-29 14:00:32 +00:00
parent 09dddebac4
commit 6c4ac01dfb
2 changed files with 31 additions and 9 deletions
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32
layers/landuse/landuse.sql
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@ -4,7 +4,7 @@ CREATE OR REPLACE FUNCTION landuse_class(landuse TEXT, amenity TEXT, leisure TEX
WHEN amenity IN ('school', 'university', 'kindergarten', 'college', 'library') THEN 'school'
WHEN landuse IN('hospital', 'railway', 'cemetery', 'military', 'residential') THEN landuse
ELSE NULL
END;
END;
$$ LANGUAGE SQL IMMUTABLE;
-- etldoc: ne_50m_urban_areas -> landuse_z4
@ -26,15 +26,28 @@ CREATE OR REPLACE VIEW landuse_z6 AS (
FROM ne_10m_urban_areas
);
-- etldoc: osm_landuse_polygon_gen3 -> landuse_z10
CREATE OR REPLACE VIEW landuse_z10 AS (
SELECT osm_id, geometry, landuse, amenity, leisure, NULL::int as scalerank FROM osm_landuse_polygon_gen3
);
-- etldoc: osm_landuse_polygon_gen2 -> landuse_z11
CREATE OR REPLACE VIEW landuse_z11 AS (
SELECT osm_id, geometry, landuse, amenity, leisure, NULL::int as scalerank
FROM osm_landuse_polygon_gen2
);
-- etldoc: osm_landuse_polygon_gen1 -> landuse_z12
CREATE OR REPLACE VIEW landuse_z12 AS (
SELECT osm_id, geometry, landuse, amenity, leisure, NULL::int as scalerank FROM osm_landuse_polygon_gen1
SELECT osm_id, geometry, landuse, amenity, leisure, NULL::int as scalerank
FROM osm_landuse_polygon_gen1
);
-- etldoc: osm_landuse_polygon -> landuse_z13
CREATE OR REPLACE VIEW landuse_z13 AS (
SELECT osm_id, geometry, landuse, amenity, leisure, NULL::int as scalerank FROM osm_landuse_polygon
WHERE ST_Area(geometry) > 60000
SELECT osm_id, geometry, landuse, amenity, leisure, NULL::int as scalerank
FROM osm_landuse_polygon
WHERE ST_Area(geometry) > 20000
);
-- etldoc: osm_landuse_polygon -> landuse_z14
@ -43,7 +56,7 @@ CREATE OR REPLACE VIEW landuse_z14 AS (
);
-- etldoc: layer_landuse[shape=record fillcolor=lightpink, style="rounded,filled",
-- etldoc: label="layer_landuse |<z4> z4|<z5>z5|<z6>z6|<z7>z7| <z8> z8 |<z9> z9 |<z10> z10 |<z12> z12|<z13> z13|<z14_> z14_" ] ;
-- etldoc: label="layer_landuse |<z4> z4|<z5>z5|<z6>z6|<z7>z7| <z8> z8 |<z9> z9 |<z10> z10 |<z11> z11|<z12> z12|<z13> z13|<z14_> z14_" ] ;
CREATE OR REPLACE FUNCTION layer_landuse(bbox geometry, zoom_level int)
RETURNS TABLE(osm_id bigint, geometry geometry, class text, subclass text) AS $$
@ -63,9 +76,14 @@ RETURNS TABLE(osm_id bigint, geometry geometry, class text, subclass text) AS $$
-- etldoc: landuse_z6 -> layer_landuse:z7
-- etldoc: landuse_z6 -> layer_landuse:z8
-- etldoc: landuse_z6 -> layer_landuse:z9
-- etldoc: landuse_z6 -> layer_landuse:z10
SELECT * FROM landuse_z6
WHERE zoom_level BETWEEN 6 AND 10 AND scalerank-1 <= zoom_level
WHERE zoom_level BETWEEN 6 AND 9 AND scalerank-1 <= zoom_level
UNION ALL
-- etldoc: landuse_z10 -> layer_landuse:z10
SELECT * FROM landuse_z10 WHERE zoom_level = 10
UNION ALL
-- etldoc: landuse_z11 -> layer_landuse:z11
SELECT * FROM landuse_z11 WHERE zoom_level = 11
UNION ALL
-- etldoc: landuse_z12 -> layer_landuse:z12
SELECT * FROM landuse_z12 WHERE zoom_level = 12

8
layers/landuse/mapping.yaml
View File

@ -1,10 +1,14 @@
generalized_tables:
# etldoc: imposm3 -> osm_landuse_polygon_gen3
landuse_polygon_gen2:
source: landuse_polygon_gen2
sql_filter: area>960000
tolerance: 160.0
# etldoc: imposm3 -> osm_landuse_polygon_gen2
landuse_polygon_gen2:
source: landuse_polygon_gen1
sql_filter: area>240000
tolerance: 50.0
tolerance: 40.0
# etldoc: imposm3 -> osm_landuse_polygon_gen1
landuse_polygon_gen1:
source: landuse_polygon