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: |
        Original value of either the `amenity`, `landuse`, `leisure`
        tag.  Use this to assign special colors to areas.
        Either `school`, `university`, `kindergarten`, `college`,
        `library`, `hospital` (from the
        [`amenity`](http://wiki.openstreetmap.org/wiki/Key:amenity) key)
        or `railway`, `cemetery`, `military`, `residential`,
        `commercial`, `industrial`, `retail` (from the
        [`landuse`](http://wiki.openstreetmap.org/wiki/Key:landuse) key)
        as well as `stadium` (from the
        [`leisure`](http://wiki.openstreetmap.org/wiki/Key:leisure) key).
  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