{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://www.cityjson.org/schemas/2.0.1/appearance.schema.json",
  "title": "CityJSON appearance schema v2.0.1",
  "Material": {
    "type": "object",
    "properties": {
      "name": {
        "type": "string"
      },
      "ambientIntensity": {
        "type": "number"
      },
      "diffuseColor": {
        "type": "array",
        "items": {
          "type": "number"
        },
        "minItems": 3,
        "maxItems": 3
      },
      "emissiveColor": {
        "type": "array",
        "items": {
          "type": "number"
        },
        "minItems": 3,
        "maxItems": 3
      },
      "specularColor": {
        "type": "array",
        "items": {
          "type": "number"
        },
        "minItems": 3,
        "maxItems": 3
      },
      "shininess": {
        "type": "number"
      },
      "transparency": {
        "type": "number"
      },
      "isSmooth": {
        "type": "boolean"
      }
    },
    "required": [
      "name"
    ],
    "additionalProperties": false
  },
  "Texture": {
    "type": "object",
    "properties": {
      "type": {
        "enum": [
          "PNG",
          "JPG"
        ]
      },
      "image": {
        "type": "string"
      },
      "wrapMode": {
        "enum": [
          "none",
          "wrap",
          "mirror",
          "clamp",
          "border"
        ]
      },
      "textureType": {
        "enum": [
          "unknown",
          "specific",
          "typical"
        ]
      },
      "borderColor": {
        "type": "array",
        "items": {
          "type": "number"
        },
        "minItems": 3,
        "maxItems": 4
      }
    },
    "additionalProperties": false
  }
}