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Rework the tunnel and bridge layers for better performance #66

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merged 1 commit into from
Feb 20, 2019
+238 −167
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Rework the tunnel and bridge layers for better performance #66

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16 changes: 4 additions & 12 deletions project.mml
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Original file line number Diff line number Diff line change
Expand Up @@ -242,7 +242,7 @@ Layer:
<<: *osm2pgsql
table: |-
(
SELECT way, COALESCE(highway, railway) AS type, 0 AS bridge, access, render, layer, 1 as tunnel,
SELECT way, COALESCE(highway, railway) AS type, 0 AS bridge, access, layer, 1 as tunnel,
CASE
WHEN highway IN ('motorway', 'trunk') THEN 'motorway'
WHEN highway IN ('primary', 'secondary') THEN 'mainroad'
Expand All @@ -257,17 +257,9 @@ Layer:
tags->'ramp:stroller' AS ramp_stroller,
tags->'ramp:bicycle' AS ramp_cycle,
tags->'ramp:wheelchair' AS ramp_wheelchair
FROM (
SELECT *, '1_outline' AS render FROM planet_osm_line
WHERE tunnel NOT IN ('', '0', 'no')
UNION ALL
SELECT *, '2_line' AS render FROM planet_osm_line
WHERE tunnel NOT IN ('', '0', 'no')
UNION ALL
SELECT *, '3_inline' AS render FROM planet_osm_line
WHERE tunnel NOT IN ('', '0', 'no')
) AS tunnels
ORDER BY layer ASC, render ASC
FROM planet_osm_line
WHERE tunnel NOT IN ('', '0', 'no')
ORDER BY layer ASC
) AS data
geometry: linestring
properties:
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