Land

Features in the land theme come from OpenStreetMap features with the natural tag.

Geometry Type	Point, LineString, Polygon, or MultiPolygon
Theme	base
Type	land

Schema

Browsable

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YAML

---
"$schema": https://json-schema.org/draft/2020-12/schema
title: Land Schema
description: Physical representations of land surfaces. Global land derived from the inverse of OSM Coastlines. Translates `natural` tags from OpenStreetMap.
type: object
properties:
  id:
    "$ref": ../defs.yaml#/$defs/propertyDefinitions/id
  geometry:
    unevaluatedProperties: false
    oneOf:
      - "$ref": https://geojson.org/schema/Point.json
      - "$ref": https://geojson.org/schema/LineString.json
      - "$ref": https://geojson.org/schema/Polygon.json
      - "$ref": https://geojson.org/schema/MultiPolygon.json
  properties:
    unevaluatedProperties: false
    allOf:
      - "$ref": ./defs.yaml#/$defs/propertyContainers/osmPropertiesContainer
      - "$ref": ../defs.yaml#/$defs/propertyContainers/overtureFeaturePropertiesContainer
      - "$ref": ../defs.yaml#/$defs/propertyContainers/levelContainer
    required:
      - subType
      - class
    properties:
      subType:
        description: Further description of the type of land cover, such as forest, glacier, grass, or a physical feature, such as a mountain peak.
        default: [land]
        type: string
        enum:
           - forest
           - glacier
           - grass
           - land
           - physical
           - reef
           - rock
           - sand
           - shrub
           - tree
           - wetland
      class:
        description: Further classification of type of landcover
        default: [land]
        type: string
        enum:
          - bareRock
          - beach
          - dune
          - fell
          - forest
          - glacier
          - grass
          - grassland
          - heath
          - hill
          - land
          - meadow
          - peak
          - reef
          - rock
          - sand
          - scree
          - scrub
          - shingle
          - shrub
          - shrubbery
          - tree
          - treeRow
          - tundra
          - valley
          - volcano
          - wetland
          - wood
      names: { "$ref": "../defs.yaml#/$defs/propertyDefinitions/names" }

Examples

Sand Dune (Polyon)

{
  "id": "overture:land:example:1",
  "type": "Feature",
  "geometry": {
    "type": "Polygon",
    "coordinates": [
      [
        [
          34.4379197,
          28.7592689
        ],
        [
          34.4380109,
          28.7595816
        ],
        [
          34.4380173,
          28.7601587
        ],
        [
          34.4380538,
          28.7606186
        ],
        [
          34.438154,
          28.7609863
        ],
        [
          34.4380735,
          28.7612459
        ],
        [
          34.4377346,
          28.7608396
        ],
        [
          34.4377158,
          28.7606139
        ],
        [
          34.4377105,
          28.7605527
        ],
        [
          34.43763,
          28.7604258
        ],
        [
          34.4376407,
          28.7603599
        ],
        [
          34.4376488,
          28.7602494
        ],
        [
          34.4376863,
          28.7599673
        ],
        [
          34.4376675,
          28.759798
        ],
        [
          34.437689,
          28.7596216
        ],
        [
          34.4379197,
          28.7592689
        ]
      ]
    ]
  },
  "properties": {
    "theme": "base",
    "type": "land",
    "subType": "sand",
    "class": "dune",
    "names": {
      "common": [
        {
          "value": "Hadeida",
          "language": "local"
        }
      ]
    },
    "sourceTags": {
      "natural": "dune",
      "surface": "sand"
    },
    "sources": [
      {
        "recordId": "w407753930@3",
        "property": "",
        "dataset": "OpenStreetMap"
      }
    ],
    "version": 0,
    "updateTime": "2023-09-27T00:00:00Z"
  }
}