{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://www.cityjson.org/schemas/2.0.2/cityjson.schema.json",
  "title": "CityJSON v2.0.2",
  "description": "CityJSON specifications v2.0.2",
  "type": "object",
  "properties": {
    "type": {
      "const": "CityJSON"
    },
    "version": {
      "const": "2.0"
    },
    "metadata": {
      "type": "object",
      "$ref": "metadata.schema.json#/metadata"
    },
    "extensions": {
      "type": "object",
      "additionalProperties": {
        "type": "object",
        "properties": {
          "url": {
            "type": "string",
            "format": "uri-reference"
          },
          "version": {
            "type": "string",
            "pattern": "^(0|[1-9]\\d*)\\.(0|[1-9]\\d*)(?:\\.(0|[1-9]\\d*))?$"
          }
        },
        "required": [
          "url",
          "version"
        ]
      }
    },
    "CityObjects": {
      "type": "object",
      "additionalProperties": {
        "oneOf": [
          {
            "$ref": "cityobjects.schema.json#/Bridge"
          },
          {
            "$ref": "cityobjects.schema.json#/BridgeConstructiveElement"
          },
          {
            "$ref": "cityobjects.schema.json#/BridgeFurniture"
          },
          {
            "$ref": "cityobjects.schema.json#/BridgeInstallation"
          },
          {
            "$ref": "cityobjects.schema.json#/BridgePart"
          },
          {
            "$ref": "cityobjects.schema.json#/BridgeRoom"
          },
          {
            "$ref": "cityobjects.schema.json#/Building"
          },
          {
            "$ref": "cityobjects.schema.json#/BuildingConstructiveElement"
          },
          {
            "$ref": "cityobjects.schema.json#/BuildingFurniture"
          },
          {
            "$ref": "cityobjects.schema.json#/BuildingInstallation"
          },
          {
            "$ref": "cityobjects.schema.json#/BuildingPart"
          },
          {
            "$ref": "cityobjects.schema.json#/BuildingRoom"
          },
          {
            "$ref": "cityobjects.schema.json#/BuildingStorey"
          },
          {
            "$ref": "cityobjects.schema.json#/BuildingUnit"
          },
          {
            "$ref": "cityobjects.schema.json#/CityFurniture"
          },
          {
            "$ref": "cityobjects.schema.json#/CityObjectGroup"
          },
          {
            "$ref": "cityobjects.schema.json#/ExtensionObject"
          },
          {
            "$ref": "cityobjects.schema.json#/GenericCityObject"
          },
          {
            "$ref": "cityobjects.schema.json#/LandUse"
          },
          {
            "$ref": "cityobjects.schema.json#/OtherConstruction"
          },
          {
            "$ref": "cityobjects.schema.json#/PlantCover"
          },
          {
            "$ref": "cityobjects.schema.json#/Railway"
          },
          {
            "$ref": "cityobjects.schema.json#/Road"
          },
          {
            "$ref": "cityobjects.schema.json#/SolitaryVegetationObject"
          },
          {
            "$ref": "cityobjects.schema.json#/TINRelief"
          },
          {
            "$ref": "cityobjects.schema.json#/TransportSquare"
          },
          {
            "$ref": "cityobjects.schema.json#/Tunnel"
          },
          {
            "$ref": "cityobjects.schema.json#/TunnelConstructiveElement"
          },
          {
            "$ref": "cityobjects.schema.json#/TunnelFurniture"
          },
          {
            "$ref": "cityobjects.schema.json#/TunnelHollowSpace"
          },
          {
            "$ref": "cityobjects.schema.json#/TunnelInstallation"
          },
          {
            "$ref": "cityobjects.schema.json#/TunnelPart"
          },
          {
            "$ref": "cityobjects.schema.json#/WaterBody"
          },
          {
            "$ref": "cityobjects.schema.json#/Waterway"
          }
        ]
      }
    },
    "vertices": {
      "type": "array",
      "items": {
        "type": "array",
        "items": {
          "type": "number"
        },
        "minItems": 3,
        "maxItems": 3
      }
    },
    "transform": {
      "type": "object",
      "properties": {
        "scale": {
          "type": "array",
          "items": {
            "type": "number"
          },
          "minItems": 3,
          "maxItems": 3
        },
        "translate": {
          "type": "array",
          "items": {
            "type": "number"
          },
          "minItems": 3,
          "maxItems": 3
        }
      },
      "required": [
        "scale",
        "translate"
      ],
      "additionalProperties": false
    },
    "appearance": {
      "type": "object",
      "properties": {
        "default-theme-texture": {
          "type": "string"
        },
        "default-theme-material": {
          "type": "string"
        },
        "materials": {
          "type": "array",
          "items": {
            "$ref": "appearance.schema.json#/Material"
          }
        },
        "textures": {
          "type": "array",
          "items": {
            "$ref": "appearance.schema.json#/Texture"
          }
        },
        "vertices-texture": {
          "type": "array",
          "items": {
            "type": "array",
            "items": {
              "type": "number"
            },
            "minItems": 2,
            "maxItems": 2
          }
        }
      },
      "additionalProperties": false
    },
    "geometry-templates": {
      "type": "object",
      "properties": {
        "templates": {
          "type": "array",
          "items": {
            "oneOf": [
              {
                "$ref": "geomprimitives.schema.json#/MultiPoint"
              },
              {
                "$ref": "geomprimitives.schema.json#/MultiLineString"
              },
              {
                "$ref": "geomprimitives.schema.json#/Solid"
              },
              {
                "$ref": "geomprimitives.schema.json#/MultiSolid"
              },
              {
                "$ref": "geomprimitives.schema.json#/CompositeSolid"
              },
              {
                "$ref": "geomprimitives.schema.json#/MultiSurface"
              },
              {
                "$ref": "geomprimitives.schema.json#/CompositeSurface"
              }
            ]
          }
        },
        "vertices-templates": {
          "type": "array",
          "items": {
            "type": "array",
            "items": {
              "type": "number"
            },
            "minItems": 3,
            "maxItems": 3
          }
        }
      },
      "required": [
        "templates",
        "vertices-templates"
      ],
      "additionalProperties": false
    }
  },
  "required": [
    "type",
    "transform",
    "version",
    "CityObjects",
    "vertices"
  ]
}