Merge pull request #192 from klokantech/lincomatic-master

Add runways and taxiways as linestrings

layers/aeroway/README.md

@@ -7,5 +7,4 @@ Read the layer documentation at **http://openmaptiles.org/schema#aeroway**
 ![Mapping diagram for aeroway](http://openmaptiles.org/media/mapping_aeroway.png)
 
 ### ETL diagram
-![ETL diagram for aeroway](http://openmaptiles.org/media/etl_aeroway.png)
-
+![ETL diagram for aeroway](etl_diagram.png?raw=true)

layers/aeroway/layer.sql

@@ -1,9 +1,16 @@
 -- etldoc: layer_aeroway[shape=record fillcolor=lightpink, style="rounded,filled",
--- etldoc:     label="layer_aeroway |<z12> z12|<z13> z13|<z14_> z14+" ];
+-- etldoc:     label="layer_aeroway |<z11> z11|<z12> z12|<z13> z13|<z14_> z14+" ];
 
 CREATE OR REPLACE FUNCTION layer_aeroway(bbox geometry, zoom_level int)
 RETURNS TABLE(geometry geometry, class text) AS $$
     SELECT geometry, aeroway AS class FROM (
+        -- etldoc:  osm_aeroway_linestring -> layer_aeroway:z11
+        -- etldoc:  osm_aeroway_linestring -> layer_aeroway:z12
+        -- etldoc:  osm_aeroway_linestring -> layer_aeroway:z13
+        -- etldoc:  osm_aeroway_linestring -> layer_aeroway:z14_
+        SELECT geometry, aeroway
+        FROM osm_aeroway_linestring WHERE zoom_level >= 11
+        UNION ALL
         -- etldoc:  osm_aeroway_polygon_gen2 -> layer_aeroway:z12
         SELECT geometry, aeroway
         FROM osm_aeroway_polygon_gen2 WHERE zoom_level = 12

layers/aeroway/mapping.yaml

@@ -32,3 +32,19 @@ tables:
       - helipad
       - taxiway
       - apron
+
+  # etldoc: imposm3 -> osm_aeroway_linestring
+  aeroway_linestring:
+    type: linestring
+    fields:
+    - name: osm_id
+      type: id
+    - name: geometry
+      type: geometry
+    - name: aeroway
+      key: aeroway
+      type: string
+    mapping:
+      aeroway:
+      - runway
+      - taxiway