Merge remote-tracking branch 'upstream/master' into lincomatic-master

layers/landcover/README.md

@@ -4,8 +4,7 @@
 Read the layer documentation at **http://openmaptiles.org/schema#landcover**
 
 ### Mapping Diagram
-![Mapping diagram for landcover](http://openmaptiles.org/media/mapping_landcover.png)
+![Mapping diagram for landcover](mapping_diagram.png?raw=true)
 
 ### ETL diagram
-![ETL diagram for landcover](http://openmaptiles.org/media/etl_landcover.png)
+![ETL diagram for landcover](etl_diagram.png?raw=true)
-

layers/mountain_peak/layer.sql

@@ -3,19 +3,21 @@
 -- etldoc:     style="rounded,filled", label="layer_mountain_peak | <z7_> z7+" ] ;
 
 CREATE OR REPLACE FUNCTION layer_mountain_peak(bbox geometry, zoom_level integer, pixel_width numeric)
-RETURNS TABLE(osm_id bigint, geometry geometry, name text, name_en text, ele int, ele_ft int, "rank" int) AS $$
+RETURNS TABLE(osm_id bigint, geometry geometry, name text, name_en text, name_de text, ele int, ele_ft int, "rank" int) AS $$
    -- etldoc: osm_peak_point -> layer_mountain_peak:z7_
-   SELECT osm_id, geometry, name, name_en, ele::int, ele_ft::int, rank::int
+   SELECT osm_id, geometry, name, name_en, name_de, ele::int, ele_ft::int, rank::int
    FROM (
-     SELECT osm_id, geometry, name, name_en,
+     SELECT osm_id, geometry, name,
+     COALESCE(NULLIF(name_en, ''), name) AS name_en,
+     COALESCE(NULLIF(name_de, ''), name, name_en) AS name_de,
      substring(ele from E'^(-?\\d+)(\\D|$)')::int AS ele,
      round(substring(ele from E'^(-?\\d+)(\\D|$)')::int*3.2808399)::int AS ele_ft,
        row_number() OVER (
            PARTITION BY LabelGrid(geometry, 100 * pixel_width)
            ORDER BY (
              substring(ele from E'^(-?\\d+)(\\D|$)')::int +
-             (CASE WHEN length(NULLIF(wikipedia, '')) > 0 THEN 10000 ELSE 0 END) +
+             (CASE WHEN NULLIF(wikipedia, '') is not null THEN 10000 ELSE 0 END) +
-             (CASE WHEN length(NULLIF(name, '')) > 0 THEN 10000 ELSE 0 END)
+             (CASE WHEN NULLIF(name, '') is not null THEN 10000 ELSE 0 END)
            ) DESC
        )::int AS "rank"
      FROM osm_peak_point

layers/mountain_peak/mapping.yaml

@@ -15,6 +15,9 @@ tables:
     - name: name_en
       key: name:en
       type: string
+    - name: name_de
+      key: name:de
+      type: string
     - name: ele
       key: ele
       type: string

layers/mountain_peak/mountain_peak.yaml

@@ -6,12 +6,13 @@ layer:
   srs: +proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs +over
   fields:
     name: The OSM [`name`](http://wiki.openstreetmap.org/wiki/Key:name) value of the peak.
-    name_en: The english `name:en` value if available.
+    name_en: English name `name:en` if available, otherwise `name`.
+    name_de: German name `name:de` if available, otherwise `name` or `name:en`.
     elev_m: Elevation (`ele`) in meters.
   datasource:
     geometry_field: geometry
     srid: 900913
-    query: (SELECT osm_id, geometry, name, name_en, ele, ele_ft, rank FROM layer_mountain_peak(!bbox!, z(!scale_denominator!), !pixel_width!)) AS t
+    query: (SELECT osm_id, geometry, name, name_en, name_de, ele, ele_ft, rank FROM layer_mountain_peak(!bbox!, z(!scale_denominator!), !pixel_width!)) AS t
 schema:
   - ./layer.sql
 datasources:

layers/place/city.sql

@@ -4,8 +4,11 @@
 
 -- etldoc: osm_city_point -> layer_city:z2_14
 CREATE OR REPLACE FUNCTION layer_city(bbox geometry, zoom_level int, pixel_width numeric)
-RETURNS TABLE(osm_id bigint, geometry geometry, name text, name_en text, place city_place, "rank" int, capital int) AS $$
+RETURNS TABLE(osm_id bigint, geometry geometry, name text, name_en text, name_de text, place city_place, "rank" int, capital int) AS $$
-    SELECT osm_id, geometry, name, COALESCE(NULLIF(name_en, ''), name) AS name_en, place, "rank", normalize_capital_level(capital) AS capital
+    SELECT osm_id, geometry, name,
+    COALESCE(NULLIF(name_en, ''), name) AS name_en,
+    COALESCE(NULLIF(name_de, ''), name, name_en) AS name_de,
+    place, "rank", normalize_capital_level(capital) AS capital
     FROM osm_city_point
     WHERE geometry && bbox
       AND ((zoom_level = 2 AND "rank" = 1)
@@ -14,11 +17,15 @@ RETURNS TABLE(osm_id bigint, geometry geometry, name text, name_en text, place c
     UNION ALL
     SELECT osm_id, geometry, name,
         COALESCE(NULLIF(name_en, ''), name) AS name_en,
+        COALESCE(NULLIF(name_de, ''), name, name_en) AS name_de,
         place,
         COALESCE("rank", gridrank + 10),
         normalize_capital_level(capital) AS capital
     FROM (
-      SELECT osm_id, geometry, name, name_en, place, "rank", capital,
+      SELECT osm_id, geometry, name,
+      COALESCE(NULLIF(name_en, ''), name) AS name_en,
+      COALESCE(NULLIF(name_de, ''), name, name_en) AS name_de,
+      place, "rank", capital,
       row_number() OVER (
         PARTITION BY LabelGrid(geometry, 128 * pixel_width)
         ORDER BY "rank" ASC NULLS LAST,

layers/place/layer.sql

@@ -3,11 +3,13 @@
 -- etldoc:     label="layer_place | <z0_3> z0-3|<z4_7> z4-7|<z8_11> z8-11| <z12_14> z12-z14+" ] ;
 
 CREATE OR REPLACE FUNCTION layer_place(bbox geometry, zoom_level int, pixel_width numeric)
-RETURNS TABLE(osm_id bigint, geometry geometry, name text, name_en text, class text, "rank" int, capital INT) AS $$
+RETURNS TABLE(osm_id bigint, geometry geometry, name text, name_en text, name_de text, class text, "rank" int, capital INT) AS $$
 
     -- etldoc: osm_continent_point -> layer_place:z0_3
     SELECT
-        osm_id, geometry, name, name_en,
+        osm_id, geometry, name,
+        COALESCE(NULLIF(name_en, ''), name) AS name_en,
+        COALESCE(NULLIF(name_de, ''), name, name_en) AS name_de,
         'continent' AS class, 1 AS "rank", NULL::int AS capital
     FROM osm_continent_point
     WHERE geometry && bbox AND zoom_level < 4
@@ -18,7 +20,9 @@ RETURNS TABLE(osm_id bigint, geometry geometry, name text, name_en text, class t
     -- etldoc: osm_country_point -> layer_place:z8_11
     -- etldoc: osm_country_point -> layer_place:z12_14
     SELECT
-        osm_id, geometry, name, COALESCE(NULLIF(name_en, ''), name) AS name_en,
+        osm_id, geometry, name,
+        COALESCE(NULLIF(name_en, ''), name) AS name_en,
+        COALESCE(NULLIF(name_de, ''), name, name_en) AS name_de,
         'country' AS class, "rank", NULL::int AS capital
     FROM osm_country_point
     WHERE geometry && bbox AND "rank" <= zoom_level + 1 AND name <> ''
@@ -29,7 +33,9 @@ RETURNS TABLE(osm_id bigint, geometry geometry, name text, name_en text, class t
     -- etldoc: osm_state_point  -> layer_place:z8_11
     -- etldoc: osm_state_point  -> layer_place:z12_14
     SELECT
-        osm_id, geometry, name, COALESCE(NULLIF(name_en, ''), name) AS name_en,
+        osm_id, geometry, name,
+        COALESCE(NULLIF(name_en, ''), name) AS name_en,
+        COALESCE(NULLIF(name_de, ''), name, name_en) AS name_de,
         'state' AS class, "rank", NULL::int AS capital
     FROM osm_state_point
     WHERE geometry && bbox AND
@@ -42,7 +48,9 @@ RETURNS TABLE(osm_id bigint, geometry geometry, name text, name_en text, class t
 
     -- etldoc: osm_island_point    -> layer_place:z12_14
     SELECT
-        osm_id, geometry, name, COALESCE(NULLIF(name_en, ''), name) AS name_en,
+        osm_id, geometry, name,
+        COALESCE(NULLIF(name_en, ''), name) AS name_en,
+        COALESCE(NULLIF(name_de, ''), name, name_en) AS name_de,
         'island' AS class, 7 AS "rank", NULL::int AS capital
     FROM osm_island_point
     WHERE zoom_level >= 12
@@ -52,7 +60,9 @@ RETURNS TABLE(osm_id bigint, geometry geometry, name text, name_en text, class t
     -- etldoc: osm_island_polygon  -> layer_place:z8_11
     -- etldoc: osm_island_polygon  -> layer_place:z12_14
     SELECT
-        osm_id, geometry, name, COALESCE(NULLIF(name_en, ''), name) AS name_en,
+        osm_id, geometry, name,
+        COALESCE(NULLIF(name_en, ''), name) AS name_en,
+        COALESCE(NULLIF(name_de, ''), name, name_en) AS name_de,
         'island' AS class, island_rank(area) AS "rank", NULL::int AS capital
     FROM osm_island_polygon
     WHERE geometry && bbox AND
@@ -66,7 +76,7 @@ RETURNS TABLE(osm_id bigint, geometry geometry, name text, name_en text, class t
     -- etldoc: layer_city          -> layer_place:z8_11
     -- etldoc: layer_city          -> layer_place:z12_14
     SELECT
-        osm_id, geometry, name, name_en,
+        osm_id, geometry, name, name_en, name_de,
         place::text AS class, "rank", capital
     FROM layer_city(bbox, zoom_level, pixel_width)
     ORDER BY "rank" ASC

layers/place/mapping.yaml

@@ -55,6 +55,7 @@ tables:
       type: geometry
     - *name
     - *name_en
+    - *name_de
     filters:
       require:
         name: ["__any__"]

layers/place/place.yaml

@@ -7,7 +7,8 @@ layer:
       We suggest you use different font styles and sizes to create a text hierarchy.
   fields:
     name: The OSM [`name`](http://wiki.openstreetmap.org/wiki/Key:name) value of the POI.
-    name_en: The English `name:en` value or local `name` if not available.
+    name_en: English name `name:en` if available, otherwise `name`.
+    name_de: German name `name:de` if available, otherwise `name` or `name:en`.
     capital:
       description: |
           The **capital** field marks the
@@ -49,10 +50,10 @@ layer:
           and states and for cities consists out of a shifted
           Natural Earth `scalerank` combined with a local rank
           within a grid for cities that do not have a Natural Earth `scalerank`.
-  buffer_size: 128
+  buffer_size: 256
   datasource:
     geometry_field: geometry
-    query: (SELECT geometry, name, name_en, class, rank, capital FROM layer_place(!bbox!, z(!scale_denominator!), !pixel_width!)) AS t
+    query: (SELECT geometry, name, name_en, name_de, class, rank, capital FROM layer_place(!bbox!, z(!scale_denominator!), !pixel_width!)) AS t
 schema:
   - ./types.sql
   - ./capital.sql

layers/poi/layer.sql

@@ -3,8 +3,11 @@
 -- etldoc:     label="layer_poi | <z14_> z14+" ] ;
 
 CREATE OR REPLACE FUNCTION layer_poi(bbox geometry, zoom_level integer, pixel_width numeric)
-RETURNS TABLE(osm_id bigint, geometry geometry, name text, name_en text, class text, subclass text, "rank" int) AS $$
+RETURNS TABLE(osm_id bigint, geometry geometry, name text, name_en text, name_de text, class text, subclass text, "rank" int) AS $$
-    SELECT osm_id, geometry, NULLIF(name, '') AS name, NULLIF(name_en, '') AS name_en, poi_class(subclass) AS class, subclass,
+    SELECT osm_id, geometry, NULLIF(name, '') AS name,
+    COALESCE(NULLIF(name_en, ''), name) AS name_en,
+    COALESCE(NULLIF(name_de, ''), name, name_en) AS name_de,
+    poi_class(subclass) AS class, subclass,
         row_number() OVER (
             PARTITION BY LabelGrid(geometry, 100 * pixel_width)
             ORDER BY CASE WHEN name = '' THEN 2000 ELSE poi_class_rank(poi_class(subclass)) END ASC

layers/poi/mapping.yaml

@@ -1,6 +1,6 @@
 
-# imposm3 mapping file for https://github.com/osm2vectortiles/imposm3 
+# imposm3 mapping file for https://github.com/osm2vectortiles/imposm3
-# Warning: this is not the official imposm3  
+# Warning: this is not the official imposm3
 
 # aerialway values , see http://taginfo.openstreetmap.org/keys/aerialway#values
 def_poi_mapping_aerialway: &poi_mapping_aerialway
@@ -306,6 +306,9 @@ tables:
     - name: name_en
       key: name:en
       type: string
+    - name: name_de
+      key: name:de
+      type: string
     - name: subclass
       type: mapping_value
     mapping:
@@ -336,6 +339,9 @@ tables:
     - name: name_en
       key: name:en
       type: string
+    - name: name_de
+      key: name:de
+      type: string
     - name: subclass
       type: mapping_value
     mapping:
@@ -349,4 +355,4 @@ tables:
       shop: *poi_mapping_shop
       sport: *poi_mapping_sport
       tourism: *poi_mapping_tourism
-      waterway: *poi_mapping_waterway
+      waterway: *poi_mapping_waterway

layers/poi/poi.yaml

@@ -7,7 +7,8 @@ layer:
   srs: +proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs +over
   fields:
     name: The OSM [`name`](http://wiki.openstreetmap.org/wiki/Key:name) value of the POI.
-    name_en: The english `name:en` value if available.
+    name_en: English name `name:en` if available, otherwise `name`.
+    name_de: German name `name:de` if available, otherwise `name` or `name:en`.
     class: |
         More general classes of POIs. If there is no more general `class` for the `subclass`
         this field will contain the same value as `subclass`.
@@ -31,9 +32,9 @@ layer:
   datasource:
     geometry_field: geometry
     srid: 900913
-    query: (SELECT geometry, name, name_en, class, subclass, rank FROM layer_poi(!bbox!, z(!scale_denominator!), !pixel_width!)) AS t
+    query: (SELECT geometry, name, name_en, name_de, class, subclass, rank FROM layer_poi(!bbox!, z(!scale_denominator!), !pixel_width!)) AS t
 schema:
-  - ./poi_polygon_update.sql 
+  - ./poi_polygon_update.sql
   - ./class.sql
   - ./layer.sql
 datasources:

layers/transportation/README.md

@@ -4,8 +4,7 @@
 Read the layer documentation at **http://openmaptiles.org/schema#transportation**
 
 ### Mapping Diagram
-![Mapping diagram for transportation](http://openmaptiles.org/media/mapping_transportation.png)
+![Mapping diagram for transportation](mapping_diagram.png?raw=true)
 
 ### ETL diagram
-![ETL diagram for transportation](http://openmaptiles.org/media/etl_transportation.png)
+![ETL diagram for transportation](etl_diagram.png?raw=true)
-

layers/transportation/class.sql

@@ -42,13 +42,3 @@ CREATE OR REPLACE FUNCTION service_value(service TEXT) RETURNS TEXT AS $$
         ELSE NULL
     END;
 $$ LANGUAGE SQL IMMUTABLE STRICT;
-
--- Map Natural Earth types to OSM highway
-CREATE OR REPLACE FUNCTION ne_highway(type VARCHAR) RETURNS VARCHAR AS $$
-  SELECT CASE type
-    WHEN 'Major Highway' THEN 'motorway'
-    WHEN 'Secondary Highway' THEN 'trunk'
-    WHEN 'Road' THEN 'primary'
-    ELSE type
-  END;
-$$ LANGUAGE SQL IMMUTABLE;

layers/transportation/layer.sql

@@ -4,7 +4,7 @@ $$ LANGUAGE SQL IMMUTABLE STRICT;
 
 
 -- etldoc: layer_transportation[shape=record fillcolor=lightpink, style="rounded,filled",
--- etldoc:     label="<sql> layer_transportation |<z4z6> z4-z6 |<z7z8> z7-z8 |<z9> z9 |<z10> z10 |<z11> z11 |<z12> z12|<z13> z13|<z14_> z14+" ] ;
+-- etldoc:     label="<sql> layer_transportation |<z4> z4 |<z5z6> z5-z6 |<z7> z7 |<z8> z8 |<z9z10> z9-z10 |<z11> z11 |<z12> z12|<z13> z13|<z14_> z14+" ] ;
 CREATE OR REPLACE FUNCTION layer_transportation(bbox geometry, zoom_level int)
 RETURNS TABLE(osm_id bigint, geometry geometry, class text, ramp int, oneway int, brunnel TEXT, service TEXT) AS $$
     SELECT
@@ -20,21 +20,29 @@ RETURNS TABLE(osm_id bigint, geometry geometry, class text, ramp int, oneway int
         brunnel(is_bridge, is_tunnel, is_ford) AS brunnel,
         NULLIF(service, '') AS service
     FROM (
-        -- etldoc: ne_10m_roads -> layer_transportation:z4z6
+        -- etldoc: osm_highway_linestring_gen6 -> layer_transportation:z4
         SELECT
-            NULL::bigint AS osm_id, geometry,
+            osm_id, geometry, highway, NULL AS railway, NULL AS service,
-            ne_highway(type) AS highway, NULL AS railway, NULL AS service,
             NULL::boolean AS is_bridge, NULL::boolean AS is_tunnel,
             NULL::boolean AS is_ford,
             NULL::boolean AS is_ramp, NULL::boolean AS is_oneway,
-            0 AS z_order
+            z_order
-        FROM ne_10m_roads
+        FROM osm_highway_linestring_gen6
-        WHERE featurecla = 'Road'
+        WHERE zoom_level = 4
-            AND type IN ('Major Highway', 'Secondary Highway', 'Road')
-            AND zoom_level BETWEEN 4 AND 6 AND scalerank <= 1 + zoom_level
         UNION ALL
 
-        -- etldoc: osm_highway_linestring_gen4  ->  layer_transportation:z7z8
+        -- etldoc: osm_highway_linestring_gen5 -> layer_transportation:z5z6
+        SELECT
+            osm_id, geometry, highway, NULL AS railway, NULL AS service,
+            NULL::boolean AS is_bridge, NULL::boolean AS is_tunnel,
+            NULL::boolean AS is_ford,
+            NULL::boolean AS is_ramp, NULL::boolean AS is_oneway,
+            z_order
+        FROM osm_highway_linestring_gen5
+        WHERE zoom_level BETWEEN 5 AND 6
+        UNION ALL
+
+        -- etldoc: osm_highway_linestring_gen4  ->  layer_transportation:z7
         SELECT
             osm_id, geometry, highway, NULL AS railway, NULL AS service,
             NULL::boolean AS is_bridge, NULL::boolean AS is_tunnel,
@@ -42,10 +50,10 @@ RETURNS TABLE(osm_id bigint, geometry geometry, class text, ramp int, oneway int
             NULL::boolean AS is_ramp, NULL::boolean AS is_oneway,
             z_order
         FROM osm_highway_linestring_gen4
-        WHERE zoom_level BETWEEN 7 AND 8
+        WHERE zoom_level = 7
         UNION ALL
 
-        -- etldoc: osm_highway_linestring_gen3  ->  layer_transportation:z9
+        -- etldoc: osm_highway_linestring_gen3  ->  layer_transportation:z8
         SELECT
             osm_id, geometry, highway, NULL AS railway, NULL AS service,
             NULL::boolean AS is_bridge, NULL::boolean AS is_tunnel,
@@ -53,10 +61,10 @@ RETURNS TABLE(osm_id bigint, geometry geometry, class text, ramp int, oneway int
             NULL::boolean AS is_ramp, NULL::boolean AS is_oneway,
             z_order
         FROM osm_highway_linestring_gen3
-        WHERE zoom_level = 9
+        WHERE zoom_level = 8
         UNION ALL
 
-        -- etldoc: osm_highway_linestring_gen2  ->  layer_transportation:z10
+        -- etldoc: osm_highway_linestring_gen2  ->  layer_transportation:z9z10
         SELECT
             osm_id, geometry, highway, NULL AS railway, NULL AS service,
             NULL::boolean AS is_bridge, NULL::boolean AS is_tunnel,
@@ -64,7 +72,7 @@ RETURNS TABLE(osm_id bigint, geometry geometry, class text, ramp int, oneway int
             NULL::boolean AS is_ramp, NULL::boolean AS is_oneway,
             z_order
         FROM osm_highway_linestring_gen2
-        WHERE zoom_level = 10
+        WHERE zoom_level BETWEEN 9 AND 10
         UNION ALL
 
         -- etldoc: osm_highway_linestring_gen1  ->  layer_transportation:z11
@@ -96,7 +104,7 @@ RETURNS TABLE(osm_id bigint, geometry geometry, class text, ramp int, oneway int
         )
         UNION ALL
 
-        -- etldoc: osm_railway_linestring_gen2  ->  layer_transportation:z11"
+        -- etldoc: osm_railway_linestring_gen2  ->  layer_transportation:z11
         SELECT
             osm_id, geometry, NULL AS highway, railway,
             service_value(service) AS service,
@@ -105,7 +113,7 @@ RETURNS TABLE(osm_id bigint, geometry geometry, class text, ramp int, oneway int
         WHERE zoom_level = 11 AND (railway='rail' AND service = '')
         UNION ALL
 
-        -- etldoc: osm_railway_linestring_gen1  ->  layer_transportation:z12"
+        -- etldoc: osm_railway_linestring_gen1  ->  layer_transportation:z12
         SELECT
             osm_id, geometry, NULL AS highway, railway,
             service_value(service) AS service,

layers/transportation/mapping.yaml

@@ -11,6 +11,18 @@ generalized_tables:
     sql_filter: railway='rail' AND service=''
     tolerance: 20.0
 
+# etldoc: imposm3 -> osm_highway_linestring_gen6
+  highway_linestring_gen6:
+    source: highway_linestring_gen5
+    sql_filter: highway IN ('motorway') AND NOT is_area
+    tolerance: 2000.0
+
+# etldoc: imposm3 -> osm_highway_linestring_gen5
+  highway_linestring_gen5:
+    source: highway_linestring_gen4
+    sql_filter: highway IN ('motorway','trunk') AND NOT is_area
+    tolerance: 500.0
+
 # etldoc: imposm3 -> osm_highway_linestring_gen4
   highway_linestring_gen4:
     source: highway_linestring_gen3
@@ -43,6 +55,10 @@ name_en_field: &name_en
   name: name_en
   key: name:en
   type: string
+name_de_field: &name_de
+  name: name_de
+  key: name:de
+  type: string
 short_name_field: &short_name
   key: short_name
   name: short_name
@@ -113,6 +129,7 @@ tables:
     - *layer
     - *name
     - *name_en
+    - *name_de
     - *short_name
     - *tunnel
     - *bridge
@@ -166,6 +183,7 @@ tables:
     - *layer
     - *name
     - *name_en
+    - *name_de
     - *short_name
     - *tunnel
     - *bridge
@@ -210,7 +228,7 @@ tables:
       - pedestrian
 
 # TODO: Future table for joining networks
-# etldoc: imposm3 -> osm_route_member -> "!!!todo:Networks!!!"
+# etldoc: imposm3 -> osm_route_member
   route_member:
     type: relation_member
     columns:
@@ -224,6 +242,7 @@ tables:
       type: member_type
     - *ref
     - *network
+    - *name
     mapping:
       route:
       - road

layers/transportation_name/README.md

@@ -4,8 +4,7 @@
 Read the layer documentation at **http://openmaptiles.org/schema#transportation_name**
 
 ### Mapping Diagram
-![Mapping diagram for transportation_name](http://openmaptiles.org/media/mapping_transportation_name.png)
+![Mapping diagram for transportation_name](mapping_diagram.png?raw=true)
 
 ### ETL diagram
-![ETL diagram for transportation_name](http://openmaptiles.org/media/etl_transportation_name.png)
+![ETL diagram for transportation_name](etl_diagram.png?raw=true)
-

layers/transportation_name/layer.sql

@@ -1,32 +1,44 @@
 
 -- etldoc: layer_transportation_name[shape=record fillcolor=lightpink, style="rounded,filled",
--- etldoc:     label="layer_transportation_name | <z8> z8 |<z9> z9 |<z10> z10 |<z11> z11 |<z12> z12|<z13> z13|<z14_> z14+" ] ;
+-- etldoc:     label="layer_transportation_name | <z6> z6 | <z7> z7 | <z8> z8 |<z9> z9 |<z10> z10 |<z11> z11 |<z12> z12|<z13> z13|<z14_> z14+" ] ;
 
 CREATE OR REPLACE FUNCTION layer_transportation_name(bbox geometry, zoom_level integer)
-RETURNS TABLE(osm_id bigint, geometry geometry, name text, name_en text, ref text, ref_length int, network text, class text) AS $$
+RETURNS TABLE(osm_id bigint, geometry geometry, name text, name_en text, name_de text, ref text, ref_length int, network text, class text) AS $$
     SELECT osm_id, geometry,
       NULLIF(name, '') AS name,
-      COALESCE(NULLIF(name_en, ''), NULLIF(name, '')) AS name_en,
+      COALESCE(NULLIF(name_en, ''), name) AS name_en,
+      COALESCE(NULLIF(name_de, ''), name, name_en) AS name_de,
       NULLIF(ref, ''), NULLIF(LENGTH(ref), 0) AS ref_length,
       --TODO: The road network of the road is not yet implemented
-      NULL::text AS network,
+      case
+        when network is not null
+          then network::text
+        when length(coalesce(ref, ''))>0
+          then 'road'
+      end as network,
       highway_class(highway) AS class
     FROM (
 
-        -- etldoc: osm_transportation_name_linestring_gen3 ->  layer_transportation_name:z8
+        -- etldoc: osm_transportation_name_linestring_gen4 ->  layer_transportation_name:z6
+        SELECT * FROM osm_transportation_name_linestring_gen4
+        WHERE zoom_level = 6
+        UNION ALL
+
+        -- etldoc: osm_transportation_name_linestring_gen3 ->  layer_transportation_name:z7
         SELECT * FROM osm_transportation_name_linestring_gen3
+        WHERE zoom_level = 7
+        UNION ALL
+
+        -- etldoc: osm_transportation_name_linestring_gen2 ->  layer_transportation_name:z8
+        SELECT * FROM osm_transportation_name_linestring_gen2
         WHERE zoom_level = 8
         UNION ALL
 
-        -- etldoc: osm_transportation_name_linestring_gen2 ->  layer_transportation_name:z9
+        -- etldoc: osm_transportation_name_linestring_gen1 ->  layer_transportation_name:z9
-        SELECT * FROM osm_transportation_name_linestring_gen2
-        WHERE zoom_level = 9
-        UNION ALL
-
         -- etldoc: osm_transportation_name_linestring_gen1 ->  layer_transportation_name:z10
         -- etldoc: osm_transportation_name_linestring_gen1 ->  layer_transportation_name:z11
         SELECT * FROM osm_transportation_name_linestring_gen1
-        WHERE zoom_level BETWEEN 10 AND 11
+        WHERE zoom_level BETWEEN 9 AND 11
         UNION ALL
 
         -- etldoc: osm_transportation_name_linestring ->  layer_transportation_name:z12

layers/transportation_name/merge_highways.sql

@@ -6,44 +6,70 @@ DROP TRIGGER IF EXISTS trigger_refresh ON transportation_name.updates;
 -- to allow for nice label rendering
 -- Because this works well for roads that do not have relations as well
 
-DROP MATERIALIZED VIEW IF EXISTS osm_transportation_name_linestring CASCADE;
-DROP MATERIALIZED VIEW IF EXISTS osm_transportation_name_linestring_gen1 CASCADE;
-DROP MATERIALIZED VIEW IF EXISTS osm_transportation_name_linestring_gen2 CASCADE;
-DROP MATERIALIZED VIEW IF EXISTS osm_transportation_name_linestring_gen3 CASCADE;
 
--- etldoc: osm_highway_linestring ->  osm_transportation_name_linestring
+-- etldoc: osm_highway_linestring ->  osm_transportation_name_network
+-- etldoc: osm_route_member ->  osm_transportation_name_network
+CREATE MATERIALIZED VIEW osm_transportation_name_network AS (
+  SELECT
+      hl.geometry,
+      hl.osm_id,
+      hl.name,
+      hl.name_en,
+      hl.name_de,
+      rm.network_type,
+      CASE
+        WHEN (rm.network_type is not null AND nullif(rm.ref::text, '') is not null)
+          then rm.ref::text
+        else hl.ref
+      end as ref,
+      hl.highway,
+      ROW_NUMBER() OVER(PARTITION BY hl.osm_id
+                                   ORDER BY rm.network_type) AS "rank",
+      hl.z_order
+  FROM osm_highway_linestring hl
+  left join osm_route_member rm on (rm.member = hl.osm_id)
+);
+CREATE INDEX IF NOT EXISTS osm_transportation_name_network_geometry_idx ON osm_transportation_name_network USING gist(geometry);
+
+
+-- etldoc: osm_transportation_name_network ->  osm_transportation_name_linestring
 CREATE MATERIALIZED VIEW osm_transportation_name_linestring AS (
     SELECT
         (ST_Dump(geometry)).geom AS geometry,
         -- NOTE: The osm_id is no longer the original one which can make it difficult
         -- to lookup road names by OSM ID
-        member_osm_ids[0] AS osm_id,
+        member_osm_ids[1] AS osm_id,
         member_osm_ids,
         name,
         name_en,
+        name_de,
         ref,
         highway,
+        network_type AS network,
         z_order
     FROM (
-        SELECT
+      SELECT
-            ST_LineMerge(ST_Collect(geometry)) AS geometry,
+          ST_LineMerge(ST_Collect(geometry)) AS geometry,
-            name,
+          name,
-            COALESCE(NULLIF(name_en, ''), name) AS name_en,
+          name_en,
-            ref,
+          name_de,
-            highway,
+          ref,
-            min(z_order) AS z_order,
+          highway,
-            array_agg(DISTINCT osm_id) AS member_osm_ids
+          network_type,
-        FROM osm_highway_linestring
+          min(z_order) AS z_order,
-        -- We only care about highways (not railways) for labeling
+          array_agg(DISTINCT osm_id) AS member_osm_ids
-        WHERE (name <> '' OR ref <> '') AND NULLIF(highway, '') IS NOT NULL
+      FROM osm_transportation_name_network
-        GROUP BY name, name_en, highway, ref
+      WHERE ("rank"=1 OR "rank" is null)
+        AND (name <> '' OR ref <> '')
+        AND NULLIF(highway, '') IS NOT NULL
+      group by name, name_en, name_de, ref, highway, network_type
     ) AS highway_union
 );
 CREATE INDEX IF NOT EXISTS osm_transportation_name_linestring_geometry_idx ON osm_transportation_name_linestring USING gist(geometry);
 
 -- etldoc: osm_transportation_name_linestring -> osm_transportation_name_linestring_gen1
 CREATE MATERIALIZED VIEW osm_transportation_name_linestring_gen1 AS (
-    SELECT ST_Simplify(geometry, 50) AS geometry, osm_id, member_osm_ids, name, name_en, ref, highway, z_order
+    SELECT ST_Simplify(geometry, 50) AS geometry, osm_id, member_osm_ids, name, name_en, name_de, ref, highway, network, z_order
     FROM osm_transportation_name_linestring
     WHERE highway IN ('motorway','trunk')  AND ST_Length(geometry) > 8000
 );
@@ -51,7 +77,7 @@ CREATE INDEX IF NOT EXISTS osm_transportation_name_linestring_gen1_geometry_idx
 
 -- etldoc: osm_transportation_name_linestring_gen1 -> osm_transportation_name_linestring_gen2
 CREATE MATERIALIZED VIEW osm_transportation_name_linestring_gen2 AS (
-    SELECT ST_Simplify(geometry, 120) AS geometry, osm_id, member_osm_ids, name, name_en, ref, highway, z_order
+    SELECT ST_Simplify(geometry, 120) AS geometry, osm_id, member_osm_ids, name, name_en, name_de, ref, highway, network, z_order
     FROM osm_transportation_name_linestring_gen1
     WHERE highway IN ('motorway','trunk')  AND ST_Length(geometry) > 14000
 );
@@ -59,12 +85,20 @@ CREATE INDEX IF NOT EXISTS osm_transportation_name_linestring_gen2_geometry_idx
 
 -- etldoc: osm_transportation_name_linestring_gen2 -> osm_transportation_name_linestring_gen3
 CREATE MATERIALIZED VIEW osm_transportation_name_linestring_gen3 AS (
-    SELECT ST_Simplify(geometry, 120) AS geometry, osm_id, member_osm_ids, name, name_en, ref, highway, z_order
+    SELECT ST_Simplify(geometry, 200) AS geometry, osm_id, member_osm_ids, name, name_en, name_de, ref, highway, network, z_order
     FROM osm_transportation_name_linestring_gen2
     WHERE highway = 'motorway' AND ST_Length(geometry) > 20000
 );
 CREATE INDEX IF NOT EXISTS osm_transportation_name_linestring_gen3_geometry_idx ON osm_transportation_name_linestring_gen3 USING gist(geometry);
 
+-- etldoc: osm_transportation_name_linestring_gen3 -> osm_transportation_name_linestring_gen4
+CREATE MATERIALIZED VIEW osm_transportation_name_linestring_gen4 AS (
+    SELECT ST_Simplify(geometry, 500) AS geometry, osm_id, member_osm_ids, name, name_en, name_de, ref, highway, network, z_order
+    FROM osm_transportation_name_linestring_gen3
+    WHERE highway = 'motorway' AND ST_Length(geometry) > 20000
+);
+CREATE INDEX IF NOT EXISTS osm_transportation_name_linestring_gen4_geometry_idx ON osm_transportation_name_linestring_gen4 USING gist(geometry);
+
 -- Handle updates
 
 CREATE SCHEMA IF NOT EXISTS transportation_name;
@@ -85,6 +119,7 @@ CREATE OR REPLACE FUNCTION transportation_name.refresh() RETURNS trigger AS
     REFRESH MATERIALIZED VIEW osm_transportation_name_linestring_gen1;
     REFRESH MATERIALIZED VIEW osm_transportation_name_linestring_gen2;
     REFRESH MATERIALIZED VIEW osm_transportation_name_linestring_gen3;
+    REFRESH MATERIALIZED VIEW osm_transportation_name_linestring_gen4;
     DELETE FROM transportation_name.updates;
     RETURN null;
   END;

layers/transportation_name/network_type.sql

@@ -0,0 +1,84 @@
+DROP MATERIALIZED VIEW IF EXISTS osm_transportation_name_network CASCADE;
+DROP MATERIALIZED VIEW IF EXISTS osm_transportation_name_linestring CASCADE;
+DROP MATERIALIZED VIEW IF EXISTS osm_transportation_name_linestring_gen1 CASCADE;
+DROP MATERIALIZED VIEW IF EXISTS osm_transportation_name_linestring_gen2 CASCADE;
+DROP MATERIALIZED VIEW IF EXISTS osm_transportation_name_linestring_gen3 CASCADE;
+DROP MATERIALIZED VIEW IF EXISTS osm_transportation_name_linestring_gen4 CASCADE;
+
+DO $$
+BEGIN
+    IF NOT EXISTS (SELECT 1 FROM pg_type WHERE typname = 'route_network_type') THEN
+        CREATE TYPE route_network_type AS ENUM (
+          'us-interstate', 'us-highway', 'us-state',
+          'ca-transcanada',
+          'gb-motorway', 'gb-trunk'
+        );
+    END IF;
+END
+$$
+;
+
+DO $$
+    BEGIN
+        BEGIN
+            ALTER TABLE osm_route_member ADD COLUMN network_type route_network_type;
+        EXCEPTION
+            WHEN duplicate_column THEN RAISE NOTICE 'column network_type already exists in network_type.';
+        END;
+    END;
+$$
+;
+
+-- create GBR relations (so we can use it in the same way as other relations)
+DO $$
+DECLARE gbr_geom geometry;
+BEGIN
+  select st_buffer(geometry, 10000) into gbr_geom from ne_10m_admin_0_countries where iso_a2 = 'GB';
+  delete from osm_route_member where network IN('omt-gb-motorway', 'omt-gb-trunk');
+
+  insert into osm_route_member (member, ref, network)
+    (
+      SELECT hw.osm_id, substring(hw.ref from E'^[AM][0-9AM()]+'), 'omt-gb-motorway'
+      from osm_highway_linestring hw
+      where length(hw.ref)>0 and ST_Intersects(hw.geometry, gbr_geom)
+        and hw.highway IN ('motorway')
+    ) UNION (
+      SELECT hw.osm_id, substring(hw.ref from E'^[AM][0-9AM()]+'), 'omt-gb-trunk'
+      from osm_highway_linestring hw
+      where length(hw.ref)>0 and ST_Intersects(hw.geometry, gbr_geom)
+        and hw.highway IN ('trunk')
+    )
+  ;
+END $$;
+
+
+
+-- see http://wiki.openstreetmap.org/wiki/Relation:route#Road_routes
+UPDATE osm_route_member
+SET network_type =
+    CASE
+      WHEN network = 'US:I' THEN 'us-interstate'::route_network_type
+      WHEN network = 'US:US' THEN 'us-highway'::route_network_type
+      WHEN network LIKE 'US:__' THEN 'us-state'::route_network_type
+      -- https://en.wikipedia.org/wiki/Trans-Canada_Highway
+      -- TODO: improve hierarchical queries using
+      --    http://www.openstreetmap.org/relation/1307243
+      --    however the relation does not cover the whole Trans-Canada_Highway
+      WHEN
+          (network = 'CA:transcanada') OR
+          (network = 'CA:BC:primary' AND ref IN ('16')) OR
+          (name = 'Yellowhead Highway (AB)' AND ref IN ('16')) OR
+          (network = 'CA:SK' AND ref IN ('16')) OR
+          (network = 'CA:ON:primary' AND ref IN ('17', '417')) OR
+          (name = 'Route Transcanadienne (QC)') OR
+          (network = 'CA:NB' AND ref IN ('2', '16')) OR
+          (network = 'CA:PEI' AND ref IN ('1')) OR
+          (network = 'CA:NS' AND ref IN ('104', '105')) OR
+          (network = 'CA:NL:R' AND ref IN ('1')) OR
+          (name = '	Trans-Canada Highway (Super)')
+        THEN 'ca-transcanada'::route_network_type
+      WHEN network = 'omt-gb-motorway' THEN 'gb-motorway'::route_network_type
+      WHEN network = 'omt-gb-trunk' THEN 'gb-trunk'::route_network_type
+      ELSE NULL
+    END
+;

layers/transportation_name/transportation_name.yaml

@@ -9,10 +9,24 @@ layer:
   srs: +proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs +over
   fields:
     name: The OSM [`name`](http://wiki.openstreetmap.org/wiki/Highways#Names_and_references) value of the highway.
-    name_en: The english `name:en` value if available.
+    name_en: English name `name:en` if available, otherwise `name`.
-    ref: The OSM [`ref`](http://wiki.openstreetmap.org/wiki/Key:ref) tag of the motorway or road.
+    name_de: German name `name:de` if available, otherwise `name` or `name:en`.
+    ref: The OSM [`ref`](http://wiki.openstreetmap.org/wiki/Key:ref) tag of the motorway or its network.
     ref_length: Length of the `ref` field. Useful for having a shield icon as background for labeling motorways.
-    network: The OSM [`network`](http://wiki.openstreetmap.org/wiki/Key:network) tag of the road.
+    network:
+      description: |
+          The network type derived mainly from [`network`](http://wiki.openstreetmap.org/wiki/Key:network) tag of the road.
+          See more info about [`us-*`](http://wiki.openstreetmap.org/wiki/Road_signs_in_the_United_States),
+          [`ca-transcanada`](https://en.wikipedia.org/wiki/Trans-Canada_Highway),
+          or [`gb-*`](http://wiki.openstreetmap.org/wiki/United_Kingdom_Tagging_Guidelines#UK_roads).
+      values:
+      - us-interstate
+      - us-highway
+      - us-state
+      - ca-transcanada
+      - gb-motorway
+      - gb-trunk
+      - road (default)
     class:
       description: |
           Distinguish between more and less important roads.
@@ -32,8 +46,9 @@ layer:
   datasource:
     geometry_field: geometry
     srid: 900913
-    query: (SELECT geometry, name, name_en, ref, ref_length, class::text FROM layer_transportation_name(!bbox!, z(!scale_denominator!))) AS t
+    query: (SELECT geometry, name, name_en, name_de, ref, ref_length, network::text, class::text FROM layer_transportation_name(!bbox!, z(!scale_denominator!))) AS t
 schema:
+  - ./network_type.sql
   - ./merge_highways.sql
   - ./layer.sql
 datasources:

layers/water/README.md

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

layers/water/mapping.yaml

@@ -1,5 +1,11 @@
 generalized_tables:
 
+  # etldoc: imposm3 -> osm_water_polygon_gen6
+  water_polygon_gen6:
+    source: water_polygon_gen5
+    sql_filter: area>20000000.0
+    tolerance: 640.0
+
   # etldoc: imposm3 -> osm_water_polygon_gen5
   water_polygon_gen5:
     source: water_polygon_gen4
@@ -47,6 +53,9 @@ tables:
     - name: name_en
       key: name:en
       type: string
+    - name: name_de
+      key: name:de
+      type: string
     - name: natural
       key: natural
       type: string

layers/water/water.sql

@@ -5,66 +5,66 @@ $$ LANGUAGE SQL IMMUTABLE;
 
 
 CREATE OR REPLACE VIEW water_z0 AS (
-    -- etldoc:  ne_110m_ocean ->  water_z0 
+    -- etldoc:  ne_110m_ocean ->  water_z0
     SELECT geometry, 'ocean'::text AS class FROM ne_110m_ocean
     UNION ALL
-    -- etldoc:  ne_110m_lakes ->  water_z0     
+    -- etldoc:  ne_110m_lakes ->  water_z0
     SELECT geometry, 'lake'::text AS class FROM ne_110m_lakes
 );
 
 CREATE OR REPLACE VIEW water_z1 AS (
-    -- etldoc:  ne_110m_ocean ->  water_z1    
+    -- etldoc:  ne_110m_ocean ->  water_z1
     SELECT geometry, 'ocean'::text AS class FROM ne_110m_ocean
     UNION ALL
-    -- etldoc:  ne_110m_lakes ->  water_z1    
+    -- etldoc:  ne_110m_lakes ->  water_z1
     SELECT geometry, 'lake'::text AS class FROM ne_110m_lakes
 );
 
 CREATE OR REPLACE VIEW water_z2 AS (
-    -- etldoc:  ne_50m_ocean ->  water_z2    
+    -- etldoc:  ne_50m_ocean ->  water_z2
     SELECT geometry, 'ocean'::text AS class FROM ne_50m_ocean
     UNION ALL
-    -- etldoc:  ne_50m_lakes ->  water_z2     
+    -- etldoc:  ne_50m_lakes ->  water_z2
     SELECT geometry, 'lake'::text AS class FROM ne_50m_lakes
 );
 
 CREATE OR REPLACE VIEW water_z4 AS (
-    -- etldoc:  ne_50m_ocean ->  water_z4       
+    -- etldoc:  ne_50m_ocean ->  water_z4
     SELECT geometry, 'ocean'::text AS class FROM ne_50m_ocean
     UNION ALL
-    -- etldoc:  ne_50m_lakes ->  water_z4     
+    -- etldoc:  ne_50m_lakes ->  water_z4
     SELECT geometry, 'lake'::text AS class FROM ne_50m_lakes
 );
 
 CREATE OR REPLACE VIEW water_z5 AS (
-    -- etldoc:  ne_10m_ocean ->  water_z5    
+    -- etldoc:  ne_10m_ocean ->  water_z5
     SELECT geometry, 'ocean'::text AS class FROM ne_10m_ocean
     UNION ALL
-    -- etldoc:  ne_10m_lakes ->  water_z5    
+    -- etldoc:  ne_10m_lakes ->  water_z5
     SELECT geometry, 'lake'::text AS class FROM ne_10m_lakes
 );
 
 CREATE OR REPLACE VIEW water_z6 AS (
-    -- etldoc:  ne_10m_ocean ->  water_z6     
+    -- etldoc:  ne_10m_ocean ->  water_z6
     SELECT geometry, 'ocean'::text AS class FROM ne_10m_ocean
     UNION ALL
-   -- etldoc:  ne_10m_lakes ->  water_z6    
+   -- etldoc:  osm_water_polygon_gen6 ->  water_z6
-    SELECT geometry, 'lake'::text AS class FROM ne_10m_lakes
+    SELECT geometry, 'lake' AS class FROM osm_water_polygon_gen6
 );
 
 CREATE OR REPLACE VIEW water_z7 AS (
-    -- etldoc:  ne_10m_ocean ->  water_z7     
+    -- etldoc:  ne_10m_ocean ->  water_z7
     SELECT geometry, 'ocean'::text AS class FROM ne_10m_ocean
     UNION ALL
-    -- etldoc:  osm_water_polygon_gen3 ->  water_z7
+    -- etldoc:  osm_water_polygon_gen5 ->  water_z7
     SELECT geometry, 'lake' AS class FROM osm_water_polygon_gen5
 );
 
 CREATE OR REPLACE VIEW water_z8 AS (
-    -- etldoc:  ne_10m_ocean ->  water_z8     
+    -- etldoc:  ne_10m_ocean ->  water_z8
     SELECT geometry, 'ocean'::text AS class FROM ne_10m_ocean
     UNION ALL
-    -- etldoc:  osm_water_polygon_gen2 ->  water_z8         
+    -- etldoc:  osm_water_polygon_gen4 ->  water_z8
     SELECT geometry, 'lake' AS class FROM osm_water_polygon_gen4
 );
 
@@ -72,7 +72,7 @@ CREATE OR REPLACE VIEW water_z9 AS (
     -- etldoc:  osm_ocean_polygon_gen3 ->  water_z9
     SELECT geometry, 'ocean'::text AS class FROM osm_ocean_polygon_gen3
     UNION ALL
-    -- etldoc:  osm_water_polygon_gen1 ->  water_z9    
+    -- etldoc:  osm_water_polygon_gen3 ->  water_z9
     SELECT geometry, 'lake'::text AS class FROM osm_water_polygon_gen3
 );
 
@@ -88,7 +88,7 @@ CREATE OR REPLACE VIEW water_z11 AS (
     -- etldoc:  osm_ocean_polygon_gen1 ->  water_z11
     SELECT geometry, 'ocean'::text AS class FROM osm_ocean_polygon_gen1
     UNION ALL
-    -- etldoc:  osm_water_polygon ->  water_z11
+    -- etldoc:  osm_water_polygon_gen1 ->  water_z11
     SELECT geometry, water_class(waterway) AS class FROM osm_water_polygon_gen1 WHERE area > 40000
 );
 
@@ -96,7 +96,7 @@ CREATE OR REPLACE VIEW water_z12 AS (
     -- etldoc:  osm_ocean_polygon_gen1 ->  water_z12
     SELECT geometry, 'ocean'::text AS class FROM osm_ocean_polygon
     UNION ALL
-    -- etldoc:  osm_water_polygon ->  water_z12     
+    -- etldoc:  osm_water_polygon ->  water_z12
     SELECT geometry, water_class(waterway) AS class FROM osm_water_polygon WHERE area > 10000
 );
 
@@ -104,7 +104,7 @@ CREATE OR REPLACE VIEW water_z13 AS (
     -- etldoc:  osm_ocean_polygon ->  water_z13
     SELECT geometry, 'ocean'::text AS class FROM osm_ocean_polygon
     UNION ALL
-    -- etldoc:  osm_water_polygon ->  water_z13    
+    -- etldoc:  osm_water_polygon ->  water_z13
     SELECT geometry, water_class(waterway) AS class FROM osm_water_polygon WHERE area > 5000
 );
 
@@ -112,11 +112,11 @@ CREATE OR REPLACE VIEW water_z14 AS (
     -- etldoc:  osm_ocean_polygon ->  water_z14
     SELECT geometry, 'ocean'::text AS class FROM osm_ocean_polygon
     UNION ALL
-    -- etldoc:  osm_water_polygon ->  water_z14    
+    -- etldoc:  osm_water_polygon ->  water_z14
     SELECT geometry, water_class(waterway) AS class FROM osm_water_polygon
 );
 
--- etldoc: layer_water [shape=record fillcolor=lightpink, style="rounded,filled",  
+-- etldoc: layer_water [shape=record fillcolor=lightpink, style="rounded,filled",
 -- etldoc:     label="layer_water |<z0> z0|<z1>z1|<z2>z2|<z3>z3 |<z4> z4|<z5>z5|<z6>z6|<z7>z7| <z8> z8 |<z9> z9 |<z10> z10 |<z11> z11 |<z12> z12|<z13> z13|<z14_> z14+" ] ;
 
 CREATE OR REPLACE FUNCTION layer_water (bbox geometry, zoom_level int)
@@ -125,44 +125,44 @@ RETURNS TABLE(geometry geometry, class text) AS $$
         -- etldoc: water_z0 ->  layer_water:z0
         SELECT * FROM water_z0 WHERE zoom_level = 0
         UNION ALL
-        -- etldoc: water_z1 ->  layer_water:z1        
+        -- etldoc: water_z1 ->  layer_water:z1
         SELECT * FROM water_z1 WHERE zoom_level = 1
         UNION ALL
         -- etldoc: water_z2 ->  layer_water:z2
-        -- etldoc: water_z2 ->  layer_water:z3          
+        -- etldoc: water_z2 ->  layer_water:z3
         SELECT * FROM water_z2 WHERE zoom_level BETWEEN 2 AND 3
         UNION ALL
-        -- etldoc: water_z4 ->  layer_water:z4        
+        -- etldoc: water_z4 ->  layer_water:z4
         SELECT * FROM water_z4 WHERE zoom_level = 4
         UNION ALL
-        -- etldoc: water_z5 ->  layer_water:z5        
+        -- etldoc: water_z5 ->  layer_water:z5
         SELECT * FROM water_z5 WHERE zoom_level = 5
         UNION ALL
-        -- etldoc: water_z6 ->  layer_water:z6       
+        -- etldoc: water_z6 ->  layer_water:z6
         SELECT * FROM water_z6 WHERE zoom_level = 6
         UNION ALL
-        -- etldoc: water_z7 ->  layer_water:z7        
+        -- etldoc: water_z7 ->  layer_water:z7
         SELECT * FROM water_z7 WHERE zoom_level = 7
         UNION ALL
-        -- etldoc: water_z8 ->  layer_water:z8        
+        -- etldoc: water_z8 ->  layer_water:z8
         SELECT * FROM water_z8 WHERE zoom_level = 8
         UNION ALL
         -- etldoc: water_z9 ->  layer_water:z9
         SELECT * FROM water_z9 WHERE zoom_level = 9
         UNION ALL
-        -- etldoc: water_z10 ->  layer_water:z10                   
+        -- etldoc: water_z10 ->  layer_water:z10
         SELECT * FROM water_z10 WHERE zoom_level = 10
         UNION ALL
-        -- etldoc: water_z11 ->  layer_water:z11        
+        -- etldoc: water_z11 ->  layer_water:z11
         SELECT * FROM water_z11 WHERE zoom_level = 11
         UNION ALL
-        -- etldoc: water_z12 ->  layer_water:z2        
+        -- etldoc: water_z12 ->  layer_water:z12
         SELECT * FROM water_z12 WHERE zoom_level = 12
         UNION ALL
-        -- etldoc: water_z13 ->  layer_water:z13        
+        -- etldoc: water_z13 ->  layer_water:z13
         SELECT * FROM water_z13 WHERE zoom_level = 13
         UNION ALL
-        -- etldoc: water_z14 ->  layer_water:z14_        
+        -- etldoc: water_z14 ->  layer_water:z14_
         SELECT * FROM water_z14 WHERE zoom_level >= 14
     ) AS zoom_levels
     WHERE geometry && bbox;

layers/water_name/layer.sql

@@ -3,10 +3,13 @@
 -- etldoc:     label="layer_water_name | <z9_13> z9_13 | <z14_> z14+" ] ;
 
 CREATE OR REPLACE FUNCTION layer_water_name(bbox geometry, zoom_level integer)
-RETURNS TABLE(osm_id bigint, geometry geometry, name text, name_en text, class text) AS $$
+RETURNS TABLE(osm_id bigint, geometry geometry, name text, name_en text, name_de text, class text) AS $$
     -- etldoc: osm_water_lakeline ->  layer_water_name:z9_13
     -- etldoc: osm_water_lakeline ->  layer_water_name:z14_
-    SELECT osm_id, geometry, name, name_en, 'lake'::text AS class
+    SELECT osm_id, geometry, name,
+    COALESCE(NULLIF(name_en, ''), name) AS name_en,
+    COALESCE(NULLIF(name_de, ''), name, name_en) AS name_de,
+    'lake'::text AS class
     FROM osm_water_lakeline
     WHERE geometry && bbox
       AND ((zoom_level BETWEEN 9 AND 13 AND LineLabel(zoom_level, NULLIF(name, ''), geometry))
@@ -14,7 +17,10 @@ RETURNS TABLE(osm_id bigint, geometry geometry, name text, name_en text, class t
     -- etldoc: osm_water_point ->  layer_water_name:z9_13
     -- etldoc: osm_water_point ->  layer_water_name:z14_
     UNION ALL
-    SELECT osm_id, geometry, name, name_en, 'lake'::text AS class
+    SELECT osm_id, geometry, name,
+    COALESCE(NULLIF(name_en, ''), name) AS name_en,
+    COALESCE(NULLIF(name_de, ''), name, name_en) AS name_de,
+    'lake'::text AS class
     FROM osm_water_point
     WHERE geometry && bbox AND (
         (zoom_level BETWEEN 9 AND 13 AND area > 70000*2^(20-zoom_level))
@@ -22,7 +28,10 @@ RETURNS TABLE(osm_id bigint, geometry geometry, name text, name_en text, class t
     )
     -- etldoc: osm_marine_point ->  layer_water_name:z0_14_
     UNION ALL
-    SELECT osm_id, geometry, name, name_en, place::text AS class
+    SELECT osm_id, geometry, name,
+    COALESCE(NULLIF(name_en, ''), name) AS name_en,
+    COALESCE(NULLIF(name_de, ''), name, name_en) AS name_de,
+    place::text AS class
     FROM osm_marine_point
     WHERE geometry && bbox AND (
         place = 'ocean'

layers/water_name/mapping.yaml

@@ -13,6 +13,9 @@ tables:
     - name: name_en
       key: name:en
       type: string
+    - name: name_de
+      key: name:de
+      type: string
     - name: place
       key: place
       type: string

layers/water_name/water_lakeline.sql

@@ -8,7 +8,7 @@ DROP MATERIALIZED VIEW IF EXISTS osm_water_lakeline CASCADE;
 CREATE MATERIALIZED VIEW osm_water_lakeline AS (
 	SELECT wp.osm_id,
 		ll.wkb_geometry AS geometry,
-		name, name_en, ST_Area(wp.geometry) AS area
+		name, name_en, name_de, ST_Area(wp.geometry) AS area
     FROM osm_water_polygon AS wp
     INNER JOIN lake_centerline ll ON wp.osm_id = ll.osm_id
     WHERE wp.name <> ''
@@ -24,7 +24,7 @@ CREATE OR REPLACE FUNCTION water_lakeline.flag() RETURNS trigger AS $$
 BEGIN
     INSERT INTO water_lakeline.updates(t) VALUES ('y')  ON CONFLICT(t) DO NOTHING;
     RETURN null;
-END;    
+END;
 $$ language plpgsql;
 
 CREATE OR REPLACE FUNCTION water_lakeline.refresh() RETURNS trigger AS

layers/water_name/water_name.yaml

@@ -6,18 +6,19 @@ layer:
       which derives nice centerlines from OSM water bodies. Only the most important lakes contain labels.
   fields:
     name: The OSM [`name`](http://wiki.openstreetmap.org/wiki/Key:name) value of the water body.
-    name_en: The english `name:en` value if available.
+    name_en: English name `name:en` if available, otherwise `name`.
+    name_de: German name `name:de` if available, otherwise `name` or `name:en`.
     class:
       description: |
           At the moment only `lake` since no ocean parts are labelled. *Reserved for future use*.
       values:
       - lake
-  buffer_size: 64
+  buffer_size: 256
   srs: +proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs +over
   datasource:
     geometry_field: geometry
     srid: 900913
-    query: (SELECT geometry, name, name_en, class FROM layer_water_name(!bbox!, z(!scale_denominator!))) AS t
+    query: (SELECT geometry, name, name_en, name_de, class FROM layer_water_name(!bbox!, z(!scale_denominator!))) AS t
 schema:
   - ./merge_marine_rank.sql
   - ./water_lakeline.sql

layers/water_name/water_point.sql

@@ -8,13 +8,13 @@ DROP MATERIALIZED VIEW IF EXISTS  osm_water_point CASCADE;
 CREATE MATERIALIZED VIEW osm_water_point AS (
     SELECT
         wp.osm_id, ST_PointOnSurface(wp.geometry) AS geometry,
-        wp.name, wp.name_en, ST_Area(wp.geometry) AS area
+        wp.name, wp.name_en, wp.name_de, ST_Area(wp.geometry) AS area
     FROM osm_water_polygon AS wp
     LEFT JOIN lake_centerline ll ON wp.osm_id = ll.osm_id
     WHERE ll.osm_id IS NULL AND wp.name <> ''
 );
 CREATE INDEX IF NOT EXISTS osm_water_point_geometry_idx ON osm_water_point USING gist (geometry);
- 
+
 -- Handle updates
 
 CREATE SCHEMA IF NOT EXISTS water_point;
@@ -24,7 +24,7 @@ CREATE OR REPLACE FUNCTION water_point.flag() RETURNS trigger AS $$
 BEGIN
     INSERT INTO water_point.updates(t) VALUES ('y')  ON CONFLICT(t) DO NOTHING;
     RETURN null;
-END;    
+END;
 $$ language plpgsql;
 
 CREATE OR REPLACE FUNCTION water_point.refresh() RETURNS trigger AS

layers/waterway/mapping.yaml

@@ -32,6 +32,9 @@ tables:
     - name: name_en
       key: name:en
       type: string
+    - name: name_de
+      key: name:de
+      type: string
     mapping:
       waterway:
       - stream

layers/waterway/merge_waterway.sql

@@ -14,21 +14,21 @@ DROP MATERIALIZED VIEW IF EXISTS osm_important_waterway_linestring_gen3 CASCADE;
 CREATE MATERIALIZED VIEW osm_important_waterway_linestring AS (
     SELECT
         (ST_Dump(geometry)).geom AS geometry,
-        name, name_en
+        name, name_en, name_de
     FROM (
         SELECT
             ST_LineMerge(ST_Union(geometry)) AS geometry,
-            name, COALESCE(NULLIF(name_en, ''), name) AS name_en
+            name, name_en, name_de
         FROM osm_waterway_linestring
         WHERE name <> '' AND waterway = 'river'
-        GROUP BY name, name_en
+        GROUP BY name, name_en, name_de
     ) AS waterway_union
 );
 CREATE INDEX IF NOT EXISTS osm_important_waterway_linestring_geometry_idx ON osm_important_waterway_linestring USING gist(geometry);
 
 -- etldoc: osm_important_waterway_linestring -> osm_important_waterway_linestring_gen1
 CREATE MATERIALIZED VIEW osm_important_waterway_linestring_gen1 AS (
-    SELECT ST_Simplify(geometry, 60) AS geometry, name, name_en
+    SELECT ST_Simplify(geometry, 60) AS geometry, name, name_en, name_de
     FROM osm_important_waterway_linestring
     WHERE ST_Length(geometry) > 1000
 );
@@ -36,7 +36,7 @@ CREATE INDEX IF NOT EXISTS osm_important_waterway_linestring_gen1_geometry_idx O
 
 -- etldoc: osm_important_waterway_linestring_gen1 -> osm_important_waterway_linestring_gen2
 CREATE MATERIALIZED VIEW osm_important_waterway_linestring_gen2 AS (
-    SELECT ST_Simplify(geometry, 100) AS geometry, name, name_en
+    SELECT ST_Simplify(geometry, 100) AS geometry, name, name_en, name_de
     FROM osm_important_waterway_linestring_gen1
     WHERE ST_Length(geometry) > 4000
 );
@@ -44,7 +44,7 @@ CREATE INDEX IF NOT EXISTS osm_important_waterway_linestring_gen2_geometry_idx O
 
 -- etldoc: osm_important_waterway_linestring_gen2 -> osm_important_waterway_linestring_gen3
 CREATE MATERIALIZED VIEW osm_important_waterway_linestring_gen3 AS (
-    SELECT ST_Simplify(geometry, 200) AS geometry, name, name_en
+    SELECT ST_Simplify(geometry, 200) AS geometry, name, name_en, name_de
     FROM osm_important_waterway_linestring_gen2
     WHERE ST_Length(geometry) > 8000
 );
@@ -86,6 +86,3 @@ CREATE CONSTRAINT TRIGGER trigger_refresh
     INITIALLY DEFERRED
     FOR EACH ROW
     EXECUTE PROCEDURE waterway.refresh();
-
-
-

layers/waterway/waterway.sql

@@ -1,65 +1,66 @@
 
 -- etldoc: ne_110m_rivers_lake_centerlines ->  waterway_z3
 CREATE OR REPLACE VIEW waterway_z3 AS (
-    SELECT geometry, 'river'::text AS class, NULL::text AS name, NULL::text AS name_en
+    SELECT geometry, 'river'::text AS class, NULL::text AS name, NULL::text AS name_en, NULL::text AS name_de
     FROM ne_110m_rivers_lake_centerlines
     WHERE featurecla = 'River'
 );
 
 -- etldoc: ne_50m_rivers_lake_centerlines ->  waterway_z4
 CREATE OR REPLACE VIEW waterway_z4 AS (
-    SELECT geometry, 'river'::text AS class, NULL::text AS name, NULL::text AS name_en
+    SELECT geometry, 'river'::text AS class, NULL::text AS name, NULL::text AS name_en, NULL::text AS name_de
     FROM ne_50m_rivers_lake_centerlines
     WHERE featurecla = 'River'
 );
 
 -- etldoc: ne_10m_rivers_lake_centerlines ->  waterway_z6
 CREATE OR REPLACE VIEW waterway_z6 AS (
-    SELECT geometry, 'river'::text AS class, NULL::text AS name, NULL::text AS name_en
+    SELECT geometry, 'river'::text AS class, NULL::text AS name, NULL::text AS name_en, NULL::text AS name_de
     FROM ne_10m_rivers_lake_centerlines
     WHERE featurecla = 'River'
 );
 
 -- etldoc: osm_important_waterway_linestring_gen3 ->  waterway_z9
 CREATE OR REPLACE VIEW waterway_z9 AS (
-    SELECT geometry, 'river'::text AS class, name, name_en FROM osm_important_waterway_linestring_gen3
+    SELECT geometry, 'river'::text AS class, name, name_en, name_de FROM osm_important_waterway_linestring_gen3
 );
 
 -- etldoc: osm_important_waterway_linestring_gen2 ->  waterway_z10
 CREATE OR REPLACE VIEW waterway_z10 AS (
-    SELECT geometry, 'river'::text AS class, name, name_en FROM osm_important_waterway_linestring_gen2
+    SELECT geometry, 'river'::text AS class, name, name_en, name_de FROM osm_important_waterway_linestring_gen2
 );
 
 -- etldoc:osm_important_waterway_linestring_gen1 ->  waterway_z11
 CREATE OR REPLACE VIEW waterway_z11 AS (
-    SELECT geometry, 'river'::text AS class, name, name_en FROM osm_important_waterway_linestring_gen1
+    SELECT geometry, 'river'::text AS class, name, name_en, name_de FROM osm_important_waterway_linestring_gen1
 );
 
 -- etldoc: osm_waterway_linestring ->  waterway_z12
 CREATE OR REPLACE VIEW waterway_z12 AS (
-    SELECT geometry, waterway AS class, name, name_en FROM osm_waterway_linestring
+    SELECT geometry, waterway AS class, name, name_en, name_de FROM osm_waterway_linestring
     WHERE waterway IN ('river', 'canal')
 );
 
 -- etldoc: osm_waterway_linestring ->  waterway_z13
 CREATE OR REPLACE VIEW waterway_z13 AS (
-    SELECT geometry, waterway::text AS class, name, name_en FROM osm_waterway_linestring
+    SELECT geometry, waterway::text AS class, name, name_en, name_de FROM osm_waterway_linestring
     WHERE waterway IN ('river', 'canal', 'stream', 'drain', 'ditch')
 );
 
 -- etldoc: osm_waterway_linestring ->  waterway_z14
 CREATE OR REPLACE VIEW waterway_z14 AS (
-    SELECT geometry, waterway::text AS class, name, name_en FROM osm_waterway_linestring
+    SELECT geometry, waterway::text AS class, name, name_en, name_de FROM osm_waterway_linestring
 );
 
 -- etldoc: layer_waterway[shape=record fillcolor=lightpink, style="rounded,filled",
 -- etldoc:     label="layer_waterway | <z3> z3 |<z4_5> z4-z5 |<z6_8> z6-8 | <z9> z9 |<z10> z10 |<z11> z11 |<z12> z12|<z13> z13|<z14> z14+" ];
 
 CREATE OR REPLACE FUNCTION layer_waterway(bbox geometry, zoom_level int)
-RETURNS TABLE(geometry geometry, class text, name text, name_en text) AS $$
+RETURNS TABLE(geometry geometry, class text, name text, name_en text, name_de text) AS $$
     SELECT geometry, class,
         NULLIF(name, '') AS name,
-        COALESCE(NULLIF(name_en, ''), name) AS name_en
+        COALESCE(NULLIF(name_en, ''), name) AS name_en,
+        COALESCE(NULLIF(name_de, ''), name, name_en) AS name_de
     FROM (
         -- etldoc: waterway_z3 ->  layer_waterway:z3
         SELECT * FROM waterway_z3 WHERE zoom_level = 3

layers/waterway/waterway.yaml

@@ -10,7 +10,8 @@ layer:
     name: |
         The OSM [`name`](http://wiki.openstreetmap.org/wiki/Key:name) value of the waterway.
         The `name` field may be empty for NaturalEarth data or at lower zoom levels.
-    name_en: The english `name:en` value if available.
+    name_en: English name `name:en` if available, otherwise `name`.
+    name_de: German name `name:de` if available, otherwise `name` or `name:en`.
     class:
       description: |
         The original value of the [`waterway`](http://wiki.openstreetmap.org/wiki/Key:waterway) tag.
@@ -22,7 +23,7 @@ layer:
       - ditch
   datasource:
     geometry_field: geometry
-    query: (SELECT geometry, name, name_en, class FROM layer_waterway(!bbox!, z(!scale_denominator!))) AS t
+    query: (SELECT geometry, name, name_en, name_de, class FROM layer_waterway(!bbox!, z(!scale_denominator!))) AS t
 schema:
   - ./merge_waterway.sql
   - ./waterway.sql