Preserving the highway network in Canada for z4. (#1652)

This PR reverts important Canada TransCanada road to zoom 4. At zoom 4, the network `gb-trunk` is too dense, so it is moved to zoom 5+.
2024-04-02 14:22:37 +02:00 · 2024-04-02 14:22:37 +02:00 · 59692656bd
commit 59692656bd
parent ee19519905
1 changed files with 2 additions and 0 deletions
--- a/layers/transportation/update_transportation_merge.sql
+++ b/layers/transportation/update_transportation_merge.sql
@ -825,6 +825,8 @@ BEGIN
                  transportation.changes_z4_z5_z6_z7.id = osm_transportation_merge_linestring_gen_z5.id
        )) AND
        (highway = 'motorway' OR construction = 'motorway'
+        ) OR 
+        (osm_national_network(network) AND network != 'gb-trunk'
        ) AND
        -- Current view: national-importance motorways and trunks
        ST_Length(geometry) > 1000