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Show large parks on z7

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This commit is contained in:
Lukas Martinelli 2016-11-30 14:15:59 +00:00
parent 1ef69a9fd8
commit 0c3b3b8b63
2 changed files with 10 additions and 0 deletions
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5
layers/park/layer.sql
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@ -6,6 +6,11 @@ RETURNS TABLE(osm_id bigint, geometry geometry, class text) AS $$
SELECT osm_id, geometry, SELECT osm_id, geometry,
COALESCE(NULLIF(leisure, ''), NULLIF(boundary, '')) AS class COALESCE(NULLIF(leisure, ''), NULLIF(boundary, '')) AS class
FROM ( FROM (
-- etldoc: osm_park_polygon_gen7 -> layer_park:z7
SELECT osm_id, geometry, leisure, boundary, NULL::int as scalerank
FROM osm_park_polygon_gen7
WHERE zoom_level = 7
UNION ALL
-- etldoc: osm_park_polygon_gen6 -> layer_park:z8 -- etldoc: osm_park_polygon_gen6 -> layer_park:z8
SELECT osm_id, geometry, leisure, boundary, NULL::int as scalerank SELECT osm_id, geometry, leisure, boundary, NULL::int as scalerank
FROM osm_park_polygon_gen6 FROM osm_park_polygon_gen6

5
layers/park/mapping.yaml
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@ -1,4 +1,9 @@
generalized_tables: generalized_tables:
# etldoc: imposm3 -> osm_park_polygon_gen6
park_polygon_gen7:
source: park_polygon_gen6
sql_filter: area>60000000
tolerance: 400.0
# etldoc: imposm3 -> osm_park_polygon_gen6 # etldoc: imposm3 -> osm_park_polygon_gen6
park_polygon_gen6: park_polygon_gen6: