Splitted project.mml

project.mml.d/addresses

@@ -0,0 +1,33 @@
+  - id: addresses
+    geometry: point
+    <<: *extents
+    Datasource:
+      <<: *osm2pgsql
+      table: |-
+        (SELECT
+            ST_PointOnSurface(way) AS way,
+            "addr:housenumber" AS addr_housenumber,
+            "addr:housename" AS addr_housename,
+            tags->'addr:unit' AS addr_unit,
+            tags->'addr:flats' AS addr_flats,
+            way_area/NULLIF(POW(!scale_denominator!*0.001*0.28,2),0) AS way_pixels
+          FROM planet_osm_polygon
+          WHERE way && !bbox! -- Not ST_PointOnSurface(way) because name might be NULL
+            AND (("addr:housenumber" IS NOT NULL) OR ("addr:housename" IS NOT NULL) OR ((tags->'addr:unit') IS NOT NULL) OR ((tags->'addr:flats') IS NOT NULL))
+            AND building IS NOT NULL
+            AND way_area < 4000000*POW(!scale_denominator!*0.001*0.28,2)
+        UNION ALL
+        SELECT
+            way,
+            "addr:housenumber" AS addr_housenumber,
+            "addr:housename" AS addr_housename,
+            tags->'addr:unit' AS addr_unit,
+            tags->'addr:flats' AS addr_flats,
+            NULL AS way_pixels
+          FROM planet_osm_point
+          WHERE way && !bbox!
+            AND (("addr:housenumber" IS NOT NULL) OR ("addr:housename" IS NOT NULL) OR ((tags->'addr:unit') IS NOT NULL) OR ((tags->'addr:flats') IS NOT NULL))
+          ORDER BY way_pixels DESC NULLS LAST
+        ) AS addresses
+    properties:
+      minzoom: 17

project.mml.d/admin-high-zoom

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+  - id: admin-high-zoom
+    geometry: linestring
+    <<: *extents
+    Datasource:
+      <<: *osm2pgsql
+      table: |-
+        (SELECT
+            way,
+            admin_level
+          FROM planet_osm_roads
+          WHERE boundary = 'administrative'
+            AND admin_level IN ('0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '10')
+            AND osm_id < 0
+          ORDER BY admin_level::integer DESC -- With 10 as a valid value, we need to do a numeric ordering, not a text ordering
+        ) AS admin_high_zoom
+    properties:
+      minzoom: 13

project.mml.d/admin-low-zoom

@@ -0,0 +1,18 @@
+  - id: admin-low-zoom
+    geometry: linestring
+    <<: *extents
+    Datasource:
+      <<: *osm2pgsql
+      table: |-
+        (SELECT
+            way,
+            admin_level
+          FROM planet_osm_roads
+          WHERE boundary = 'administrative'
+            AND admin_level IN ('0', '1', '2', '3', '4')
+            AND osm_id < 0
+          ORDER BY admin_level DESC
+        ) AS admin_low_zoom
+    properties:
+      minzoom: 4
+      maxzoom: 7

project.mml.d/admin-mid-zoom

@@ -0,0 +1,18 @@
+  - id: admin-mid-zoom
+    geometry: linestring
+    <<: *extents
+    Datasource:
+      <<: *osm2pgsql
+      table: |-
+        (SELECT
+            way,
+            admin_level
+          FROM planet_osm_roads
+          WHERE boundary = 'administrative'
+            AND admin_level IN ('0', '1', '2', '3', '4', '5', '6', '7', '8')
+            AND osm_id < 0
+          ORDER BY admin_level DESC
+        ) AS admin_mid_zoom
+    properties:
+      minzoom: 8
+      maxzoom: 12

project.mml.d/admin-text

@@ -0,0 +1,21 @@
+  - id: admin-text
+    geometry: linestring
+    <<: *extents
+    Datasource:
+      <<: *osm2pgsql
+      table: |-
+        (SELECT
+            way,
+            name,
+            admin_level,
+            way_area/NULLIF(POW(!scale_denominator!*0.001*0.28,2),0) AS way_pixels
+          FROM planet_osm_polygon
+          WHERE boundary = 'administrative'
+            AND admin_level IN ('1', '2', '3', '4', '5', '6', '7', '8', '9', '10')
+            AND name IS NOT NULL
+            AND osm_id < 0
+            AND way_area > 196000*POW(!scale_denominator!*0.001*0.28,2)
+          ORDER BY admin_level::integer ASC, way_area DESC
+        ) AS admin_text
+    properties:
+      minzoom: 11

project.mml.d/aerialways

@@ -0,0 +1,29 @@
+  - id: aerialways
+    geometry: linestring
+    <<: *extents
+    Datasource:
+      <<: *osm2pgsql
+      table: |-
+        (SELECT
+            way,
+            aerialway,
+            man_made,
+            tags->'substance' AS substance
+          FROM planet_osm_line
+          WHERE aerialway IS NOT NULL
+            OR (man_made = 'pipeline'
+                AND tags-> 'location' IN ('overground', 'overhead', 'surface', 'outdoor')
+                OR bridge IN ('yes', 'aqueduct', 'cantilever', 'covered', 'trestle', 'viaduct'))
+            OR (man_made = 'goods_conveyor'
+                AND (tags->'location' NOT IN ('underground') OR (tags->'location') IS NULL)
+                AND (tunnel NOT IN ('yes') OR tunnel IS NULL))
+          ORDER BY
+            CASE
+              WHEN man_made IN ('goods_conveyor', 'pipeline') THEN 1
+              WHEN tags-> 'location' = 'overhead' THEN 2
+              WHEN bridge IS NOT NULL THEN 3
+              WHEN aerialway IS NOT NULL THEN 4
+            END
+        ) AS aerialways
+    properties:
+      minzoom: 12

project.mml.d/aeroways

@@ -0,0 +1,18 @@
+  - id: aeroways
+    geometry: linestring
+    <<: *extents
+    Datasource:
+      <<: *osm2pgsql
+      table: |-
+        (SELECT
+            way,
+            aeroway,
+            bridge IN ('yes', 'boardwalk', 'cantilever', 'covered', 'low_water_crossing', 'movable', 'trestle', 'viaduct') AS bridge
+          FROM planet_osm_line
+          WHERE aeroway IN ('runway', 'taxiway')
+          ORDER BY bridge NULLS FIRST,
+            CASE WHEN aeroway = 'runway' THEN 1 ELSE 0 END
+        ) AS aeroways
+    properties:
+      cache-features: true
+      minzoom: 11

project.mml.d/amenity-line

@@ -0,0 +1,22 @@
+  - id: amenity-line
+    geometry: linestring
+    <<: *extents
+    Datasource:
+      <<: *osm2pgsql
+      table: |-
+        (SELECT
+          way,
+          COALESCE(
+           'highway_' || CASE WHEN tags @> 'ford=>yes' OR tags @> 'ford=>stepping_stones' THEN 'ford' END,
+           'leisure_' || CASE WHEN leisure IN ('slipway', 'track') THEN leisure END,
+           'attraction_' || CASE WHEN tags @> 'attraction=>water_slide' THEN 'water_slide' END
+            ) AS feature
+          FROM planet_osm_line
+          -- The upcoming where clause is needed for performance only, as the CASE statements would end up doing the equivalent filtering
+          WHERE tags @> 'ford=>yes' OR tags @> 'ford=>stepping_stones'
+            OR leisure IN ('slipway', 'track')
+            OR tags @> 'attraction=>water_slide'
+          ORDER BY COALESCE(layer,0)
+        ) AS amenity_line
+    properties:
+      minzoom: 16

project.mml.d/amenity-low-priority

@@ -0,0 +1,68 @@
+  - id: amenity-low-priority
+    geometry: point
+    <<: *extents
+    Datasource:
+      <<: *osm2pgsql
+      table: &amenity_low_priority_sql |-
+        (SELECT
+            way,
+            name,
+            COALESCE(
+              'railway_' || CASE WHEN railway IN ('level_crossing', 'crossing') AND way_area IS NULL THEN railway END,
+              'amenity_' || CASE WHEN amenity IN ('bench', 'waste_basket', 'waste_disposal') AND way_area IS NULL THEN amenity END,
+              'historic_' || CASE WHEN historic IN ('wayside_cross', 'wayside_shrine') AND way_area IS NULL THEN historic END,
+              'man_made_' || CASE WHEN man_made IN ('cross') AND way_area IS NULL THEN man_made END,
+              'barrier_' || CASE WHEN barrier IN ('bollard', 'gate', 'lift_gate', 'swing_gate', 'block', 'log', 'cattle_grid', 'stile', 'motorcycle_barrier', 'cycle_barrier', 'full-height_turnstile', 'turnstile', 'kissing_gate') THEN barrier END
+            )  AS feature,
+            access,
+            way_area,
+            way_area/NULLIF(POW(!scale_denominator!*0.001*0.28,2),0) AS way_pixels
+            FROM
+              (SELECT
+                  ST_PointOnSurface(way) AS way,
+                  name,
+                  access,
+                  amenity,
+                  barrier,
+                  highway,
+                  historic,
+                  man_made,
+                  railway,
+                  tags,
+                  way_area
+                FROM planet_osm_polygon
+                WHERE way && !bbox! -- Not ST_PointOnSurface(way) because name might be NULL
+                  AND way_area < 768000*POW(!scale_denominator!*0.001*0.28,2)
+              UNION ALL
+              SELECT
+                  way,
+                  name,
+                  access,
+                  amenity,
+                  barrier,
+                  highway,
+                  historic,
+                  man_made,
+                  railway,
+                  tags,
+                  NULL AS way_area
+                FROM planet_osm_point
+                WHERE way && !bbox!
+              ) _
+            WHERE railway IN ('level_crossing', 'crossing')
+               OR amenity IN ('bench', 'waste_basket', 'waste_disposal')
+               OR historic IN ('wayside_cross', 'wayside_shrine')
+               OR man_made IN ('cross')
+               OR barrier IN ('bollard', 'gate', 'lift_gate', 'swing_gate', 'block', 'log', 'cattle_grid', 'stile', 'motorcycle_barrier', 'cycle_barrier', 'full-height_turnstile', 'turnstile', 'kissing_gate')
+            ORDER BY
+              CASE amenity
+                WHEN 'waste_basket' THEN 1
+                WHEN 'waste_disposal' THEN 1
+                WHEN 'bench' THEN 2
+                WHEN NULL THEN 3
+              END DESC,
+              way_pixels DESC NULLS LAST
+          ) AS amenity_low_priority
+    properties:
+      cache-features: true
+      minzoom: 14