Merge pull request #996 from tilezen/993-remove-props-road-merge

Drop additional road props for z<=14

integration-test/993-remove-props-road-merge.py

@@ -0,0 +1,24 @@
+# Way: I 81 (302933871)
+# http://www.openstreetmap.org/way/302933871
+assert_has_feature(
+    14, 4496, 6381, 'roads',
+    { 'id': 302933871, 'kind': 'highway', 'oneway': type(None) })
+
+# http://www.openstreetmap.org/way/434308106
+assert_has_feature(
+    14, 4933, 6066, 'roads',
+    { 'id': 434308106, 'kind': 'path', 'crossing': type(None) })
+
+# Way: The Embarcadero (397140734)
+# http://www.openstreetmap.org/way/397140734
+assert_has_feature(
+    14, 2621, 6331, 'roads',
+    { 'name': 'The Embarcadero', 'kind': 'major_road',
+      'sidewalk': type(None) })
+
+# Way: Carrie Furnace Boulevard (438362919)
+# http://www.openstreetmap.org/way/438362919
+assert_has_feature(
+    14, 4556, 6178, 'roads',
+    { 'id': 438362919, 'kind': 'major_road',
+      'sidewalk_left': type(None), 'sidewalk_right': type(None) })

queries.yaml

@@ -568,13 +568,13 @@ post_process:
       where: >-
         (kind == 'path' and zoom < 15) or
         (kind in ['minor_road', 'major_road', 'highway', 'rail'] and zoom < 13)
-  # drop all oneway tags below zoom 14 (i.e: zoom >= 15) for all types.
+  # drop certain road properties at lower zooms
   - fn: vectordatasource.transform.drop_properties
     params:
       source_layer: roads
       start_zoom: 0
       end_zoom: 14
-      properties: [oneway]
+      properties: [oneway, crossing, sidewalk, sidewalk_left, sidewalk_right]
   - fn: vectordatasource.transform.drop_properties
     params:
       source_layer: roads