{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "id": "geometry.json#",
  "title": "geometry",
  "description": "One geometry as defined by GeoJSON",
  "type": "object",
  "required": ["type", "coordinates"],
  "oneOf": [
    {
      "title": "Point",
      "properties": {
        "type": {
          "enum": ["Point"]
        },
        "coordinates": {
          "$ref": "#/definitions/position"
        }
      }
    }, {
      "title": "MultiPoint",
      "properties": {
        "type": {
          "enum": ["MultiPoint"]
        },
        "coordinates": {
          "$ref": "#/definitions/positionArray"
        }
      }
    }, {
      "title": "LineString",
      "properties": {
        "type": {
          "enum": ["LineString"]
        },
        "coordinates": {
          "$ref": "#/definitions/lineString"
        }
      }
    }, {
      "title": "MultiLineString",
      "properties": {
        "type": {
          "enum": ["MultiLineString"]
        },
        "coordinates": {
          "type": "array",
          "items": {
            "$ref": "#/definitions/lineString"
          }
        }
      }
    }, {
      "title": "Polygon",
      "properties": {
        "type": {
          "enum": ["Polygon"]
        },
        "coordinates": {
          "$ref": "#/definitions/polygon"
        }
      }
    }, {
      "title": "MultiPolygon",
      "properties": {
        "type": {
          "enum": ["MultiPolygon"]
        },
        "coordinates": {
          "type": "array",
          "items": {
            "$ref": "#/definitions/polygon"
          }
        }
      }
    }
  ],
  "definitions": {
    "position": {
      "title": "position",
      "description": "A single position",
      "type": "array",
      "minItems": 2,
      "items": {
        "type": "number"
      }
      ,
      "additionalItems": false
    },
    "positionArray": {
      "title": "positionArray",
      "description": "An array of positions",
      "type": "array",
      "items": {
        "$ref": "#/definitions/position"
      }
    },
    "lineString": {
      "title": "lineString",
      "description": "An array of two or more positions",
      "allOf": [
        {
          "$ref": "#/definitions/positionArray"
        }, {
          "title": "minimum 2",
          "minItems": 2
        }
      ]
    },
    "linearRing": {
      "description": "An array of four positions where the first equals the last",
      "allOf": [
        {
          "$ref": "#/definitions/positionArray"
        }, {
          "title": "minimum 4",
          "minItems": 4
        }
      ]
    },
    "polygon": {
      "description": "An array of linear rings",
      "type": "array",
      "items": {
        "$ref": "#/definitions/linearRing"
      }
    }
  }
}