layer:
  id: "landuse"
  description: |
      Landuse is used to describe use of land by humans.At lower zoom levels this is
      from Natural Earth data for residential (urban) areas and at higher zoom levels mostly OSM `landuse` tags.
  buffer_size: 4
  fields:
    class:
      description: |
          Use the **class** to assign special colors to areas.
          Original value of either the
          [`amenity`](http://wiki.openstreetmap.org/wiki/Key:amenity),
          [`landuse`](http://wiki.openstreetmap.org/wiki/Key:landuse),
          or [`leisure`](http://wiki.openstreetmap.org/wiki/Key:leisure) tag.
      values:
      - school
      - university
      - kindergarten
      - college
      - library
      - hospital
      - railway
      - cemetery
      - military
      - residential
      - commercial
      - industrial
      - retail
      - stadium
  datasource:
    geometry_field: geometry
    query: (SELECT geometry, class FROM layer_landuse(!bbox!, z(!scale_denominator!))) AS t
schema:
  - ./landuse.sql
datasources:
  - type: imposm3
    mapping_file: ./mapping.yaml