WIP: Indoor rendering

amenity-points.mss

@@ -2864,6 +2864,24 @@
     text-halo-fill: @standard-halo-fill;
     text-placement: interior;
   }
+
+  [feature = 'indoor_corridor'][zoom >= 18][way_area >= 150],
+  [feature = 'indoor_room'][zoom >= 18][way_area >= 150],
+  [feature = 'indoor_area'][zoom >= 18][way_area >= 150],
+  [feature = 'indoor_corridor'][zoom >= 19][way_area >= 50],
+  [feature = 'indoor_room'][zoom >= 19][way_area >= 50],
+  [feature = 'indoor_area'][zoom >= 19][way_area >= 50] {
+    text-name: "[name]";
+    text-size: 9;
+    text-wrap-width: @standard-wrap-width;
+    text-line-spacing: @standard-line-spacing-size;
+    text-fill: @indoor-text;
+    text-dy: 0;
+    text-face-name: @standard-font;
+    text-halo-radius: @standard-halo-radius;
+    text-halo-fill: @standard-halo-fill;
+    text-placement: interior;
+  }
 }
 
 #amenity-line {

buildings.mss

@@ -5,6 +5,8 @@
 @building-major-fill: darken(@building-fill, 20%);
 @building-major-line: darken(@building-major-fill, 25%);
 
+@indoor-text: darken(@building-fill, 40%);
+
 @entrance-permissive: darken(@building-line, 15%);
 @entrance-normal: @building-line;
 
@@ -39,6 +41,30 @@
   }
 }
 
+#indoor-areas {
+  [zoom >= 17] {
+    [indoor = 'room'] {
+      polygon-fill: lighten(@building-fill, 3%);
+      polygon-clip: false;
+      line-width: 0.5;
+      line-clip: false;
+      line-color: @building-line;
+    }
+    [indoor = 'corridor'] {
+      polygon-fill: lighten(@building-fill, 6%);
+      polygon-clip: false;
+      line-width: 0.5;
+      line-clip: false;
+      line-color: @building-line;
+    }
+    [indoor = 'area'] {
+      line-width: 0.5;
+      line-clip: false;
+      line-color: @building-line;
+    }
+  }
+}
+
 #bridge {
   [zoom >= 12] {
     polygon-fill: #B8B8B8;

openstreetmap-carto.lua

@@ -15,6 +15,7 @@ local polygon_keys = {
     'building:part',
     'harbour',
     'historic',
+    'indoor',
     'landuse',
     'leisure',
     'man_made',

project.mml

@@ -465,6 +465,25 @@ Layer:
         AS buildings_major
     properties:
       minzoom: 13
+  - id: indoor-areas
+    geometry: polygon
+    <<: *extents
+    Datasource:
+      <<: *osm2pgsql
+      table: |-
+        (SELECT
+            way,
+            way_area/NULLIF(!pixel_width!::real*!pixel_height!::real,0) AS way_pixels,
+            tags->'level' AS level,
+            tags->'indoor' AS indoor 
+          FROM planet_osm_polygon
+          WHERE tags->'indoor' IN ('corridor', 'room', 'area')
+            AND (tags->'level' IS NULL OR tags->'level' = '0')
+            AND way_area > 1*!pixel_width!::real*!pixel_height!::real
+          ORDER BY COALESCE(layer,0), way_area DESC)
+        AS indoor_areas
+    properties:
+      minzoom: 17
   - id: tunnels
     class: access
     geometry: linestring
@@ -1519,6 +1538,7 @@ Layer:
             tags->'tower:type' as "tower:type",
             tags->'castle_type' as castle_type,
             tags->'information' as information,
+
             CASE WHEN shop IN ('supermarket', 'bag', 'bakery', 'beauty', 'bed', 'books', 'butcher', 'clothes', 'computer',
                                'confectionery', 'fashion', 'convenience', 'department_store', 'doityourself', 'hardware', 'fishmonger', 'florist',
                                'garden_centre', 'hairdresser', 'hifi', 'ice_cream', 'car', 'car_repair', 'bicycle', 'mall', 'pet',
@@ -1961,6 +1981,7 @@ Layer:
             name
           FROM planet_osm_line
           WHERE highway IN ('bridleway', 'footway', 'cycleway', 'path', 'track', 'steps')
+            OR (highway IN ('corridor') AND (tags->'level' = '0' OR tags->'level' IS NULL))
             AND name IS NOT NULL
         ) AS paths_text_name
     properties:
@@ -2086,6 +2107,7 @@ Layer:
               'highway_' || CASE WHEN highway IN ('services', 'rest_area', 'bus_stop', 'elevator') THEN highway ELSE NULL END,
               'boundary_' || CASE WHEN boundary IN ('national_park') THEN boundary ELSE NULL END,
               'waterway_' || CASE WHEN waterway IN ('dam', 'dock') THEN waterway ELSE NULL END,
+              'indoor_' || CASE WHEN tags->'indoor' IN ('corridor', 'room', 'area') THEN tags->'indoor' ELSE NULL END,
               'tourism_' || CASE WHEN tourism IN ('viewpoint', 'attraction') THEN tourism ELSE NULL END
             ) AS feature,
             access,
@@ -2113,6 +2135,8 @@ Layer:
             tags->'recycling_type' as recycling_type,
             tags->'castle_type' as castle_type,
             tags->'information' as information,
+            tags->'indoor' as indoor,
+            tags->'level' as level,
             ref,
             way_area,
             CASE WHEN building = 'no' OR building IS NULL THEN 'no' ELSE 'yes' END AS is_building
@@ -2134,6 +2158,7 @@ Layer:
               OR military IN ('danger_area', 'bunker')
               OR historic IN ('memorial', 'monument', 'archaeological_site', 'fort', 'castle', 'manor', 'city_gate')
               OR tags->'memorial' IN ('plaque')
+              OR (tags->'indoor' IN ('corridor', 'room', 'area') AND (tags->'level' = '0' OR tags->'level' IS NULL))
               OR highway IN ('services', 'rest_area', 'bus_stop', 'elevator')
               OR power IN ('plant', 'station', 'generator', 'sub_station', 'substation')
               OR boundary IN ('national_park')

roads.mss

@@ -3060,6 +3060,20 @@ tertiary is rendered from z10 and is not included in osm_planet_roads. */
       text-dy: 9;
     }
   }
+
+  [highway = 'corridor'] {
+    [zoom >= 18] {
+      text-name: "[name]";
+      text-size: 9;
+      text-face-name: @book-fonts;
+      text-fill: @indoor-text;  
+      text-spacing: 300;
+      text-clip: false;
+      text-placement: line;
+      text-halo-radius: @standard-halo-radius;
+      text-halo-fill: @standard-halo-fill;
+    }
+  }
 }
 
 .directions::directions {