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Suppress service roads at certain zooms (#1192)

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Fixes #1191

This PR suppresses `highway=service` at zoom 12, where it is not a useful level of detail.  This makes OpenMapTiles consistent with openstreetmap-carto, which does not begin showing `highway=service` until raster zoom 14 / vector zoom 13.

Additionally, this PR suppresses `highway=service` + `service=parking_aisle` / `service=driveway` from zooms 12-13, as this detail is excessive below zoom 14.  As a point of comparison, openstreetmap-carto does not begin showing `service=parking_aisle` / `service=driveway` until raster zoom 16 (vector zoom 15).
This commit is contained in:
Brian Sperlongano
2021-09-01 03:18:45 -04:00
committed by GitHub
parent d427d58e36
commit 3818979143
4 changed files with 6 additions and 1 deletions
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3
layers/transportation/transportation.sql
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@@ -360,7 +360,7 @@ FROM (
WHERE NOT is_area
AND (
zoom_level = 12 AND (
highway_class(highway, public_transport, construction) NOT IN ('track', 'path', 'minor')
highway_class(highway, public_transport, construction) NOT IN ('track', 'path', 'minor', 'service')
OR highway IN ('unclassified', 'residential')
) AND man_made <> 'pier'
OR zoom_level = 13
@@ -370,6 +370,7 @@ FROM (
OR
man_made = 'pier' AND NOT ST_IsClosed(geometry)
)
AND service NOT IN ('driveway', 'parking_aisle')
OR zoom_level >= 14
AND (
man_made <> 'pier'