$schema: https://json-schema.org/draft/2020-12/schema
title: Base layer properties
description: Common schema definitions the base theme (primarily from OSM)
$defs:
  propertyDefinitions:
    elevation:
      description: Elevation above sea level (in meters) of the feature.
      type: integer
      maximum: 9000
    depth:
      description: Depth below surface level (in meters) of the feature.
      type: integer
      minimum: 0
    height:
      description: Height of the feature in meters.
      type: number
      exclusiveMinimum: 0
    sourceTags:
      description: Any attributes/tags from the original source data that should be
        passed through.
      type: object
    surface:
      description: Surface material, mostly from the OSM tag, with some normalization.
      type: string
      enum:
      - asphalt
      - cobblestone
      - compacted
      - concrete
      - concrete_plates
      - dirt
      - earth
      - fine_gravel
      - grass
      - gravel
      - ground
      - paved
      - paving_stones
      - pebblestone
      - recreation_grass
      - recreation_paved
      - recreation_sand
      - rubber
      - sand
      - sett
      - tartan
      - unpaved
      - wood
      - woodchips
  propertyContainers:
    osmPropertiesContainer:
      title: OSM Properties
      description: OSM Properties
      type: object
      properties:
        source_tags:
          $ref: '#/$defs/propertyDefinitions/sourceTags'
        wikidata:
          $ref: https://ogcincubator.github.io/bblocks-overturemaps/build/annotated/overturemaps/schemas/definitions/schema.yaml#/$defs/propertyDefinitions/wikidata