Fix #250 for zoom 9+ (#256)

openmaptiles · May 23, 2017 · a9b9c79 · a9b9c79
1 parent 4037256
commit a9b9c79
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Showing 2 changed files with 4 additions and 2 deletions.
diff --git a/layers/transportation/layer.sql b/layers/transportation/layer.sql
@@ -84,6 +84,7 @@ RETURNS TABLE(osm_id bigint, geometry geometry, class text, ramp int, oneway int
             z_order
         FROM osm_highway_linestring_gen2
         WHERE zoom_level BETWEEN 9 AND 10
+          AND st_length(geometry)>zres(10)
         UNION ALL
 
         -- etldoc: osm_highway_linestring_gen1  ->  layer_transportation:z11
@@ -95,6 +96,7 @@ RETURNS TABLE(osm_id bigint, geometry geometry, class text, ramp int, oneway int
             z_order
         FROM osm_highway_linestring_gen1
         WHERE zoom_level = 11
+          AND st_length(geometry)>zres(11)
         UNION ALL
 
         -- etldoc: osm_highway_linestring       ->  layer_transportation:z12

diff --git a/layers/transportation/mapping.yaml b/layers/transportation/mapping.yaml
@@ -13,13 +13,13 @@ generalized_tables:
 # etldoc: imposm3 -> osm_highway_linestring_gen2
   highway_linestring_gen2:
     source: highway_linestring_gen1
-    sql_filter: highway IN ('motorway','trunk', 'primary', 'secondary') AND NOT is_area
+    sql_filter: highway IN ('motorway', 'trunk', 'primary', 'secondary', 'motorway_link', 'trunk_link', 'primary_link', 'secondary_link') AND NOT is_area
     tolerance: ZRES10
 
 # etldoc: imposm3 -> osm_highway_linestring_gen1
   highway_linestring_gen1:
     source: highway_linestring
-    sql_filter: highway IN ('motorway','trunk', 'primary', 'secondary', 'tertiary') AND NOT is_area
+    sql_filter: highway IN ('motorway', 'trunk', 'primary', 'secondary', 'tertiary', 'motorway_link', 'trunk_link', 'primary_link', 'secondary_link', 'tertiary_link') AND NOT is_area
     tolerance: ZRES11
 
 name_field: &name