Add urban areas

schema/create_schema.sh

@@ -21,6 +21,7 @@ function main() {
     exec_psql_file "layers/boundary.sql"
     exec_psql_file "layers/road.sql"
     exec_psql_file "layers/ice.sql"
+    exec_psql_file "layers/urban.sql"
 }
 
 main

schema/layers/urban.sql

@@ -0,0 +1,9 @@
+CREATE OR REPLACE VIEW urban_z4 AS (
+    SELECT geom, scalerank
+    FROM ne_50m_urban_areas
+);
+
+CREATE OR REPLACE VIEW urban_z6 AS (
+    SELECT geom, scalerank
+    FROM ne_10m_urban_areas
+);