collection.json

{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "collection.json#",
  "title": "STAC Collection Specification",
  "description": "This object represents Collections in a SpatioTemporal Asset Catalog.",
  "allOf": [
    {
      "$ref": "../../catalog-spec/json-schema/catalog.json"
    },
    {
      "$ref": "#/definitions/collection"
    }
  ],
  "definitions": {
    "collection": {
      "title": "STAC Collection",
      "description": "These are the fields specific to a STAC Collection. All other fields are inherited from STAC Catalog.",
      "type": "object",
      "required": [
        "license",
        "extent"
      ],
      "properties": {
        "stac_extensions": {
          "title": "STAC extensions",
          "type": "array",
          "uniqueItems": true,
          "items": {
            "anyOf": [
              {
                "title": "Reference to a JSON Schema",
                "type": "string",
                "format": "uri"
              },
              {
                "title": "Reference to a core extension",
                "type": "string",
                "enum": [
                  "asset",
                  "checksum",
                  "scientific"
                ]
              }
            ]
          }
        },
        "keywords": {
          "title": "Keywords",
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "version": {
          "title": "Collection Version",
          "type": "string"
        },
        "license": {
          "title": "Collection License Name",
          "type": "string"
        },
        "providers": {
          "type": "array",
          "items": {
            "properties": {
              "name": {
                "title": "Organization name",
                "type": "string"
              },
              "description": {
                "title": "Provider description",
                "type": "string"
              },
              "roles": {
                "title": "Organization roles",
                "type": "array",
                "items": {
                  "type": "string",
                  "enum": [
                    "producer",
                    "licensor",
                    "processor",
                    "host"
                  ]
                }
              },
              "url": {
                "title": "Homepage",
                "type": "string",
                "format": "url"
              }
            }
          }
        },
        "extent": {
          "title": "Extents",
          "type": "object",
          "required": [
            "spatial",
            "temporal"
          ],
          "properties": {
            "spatial": {
              "title": "Spatial extent object",
              "type": "object",
              "required": [
                "bbox"
              ],
              "properties": {
                "bbox": {
                  "title": "Spatial extents",
                  "type": "array",
                  "minItems": 1,
                  "items": {
                    "title": "Spatial extent",
                    "type": "array",
                    "minItems": 4,
                    "maxItems": 6,
                    "items": {
                      "type": "number"
                    }
                  }
                }
              }
            },
            "temporal": {
              "title": "Temporal extent object",
              "type": "object",
              "required": [
                "interval"
              ],
              "properties": {
                "interval": {
                  "title": "Temporal extents",
                  "type": "array",
                  "minItems": 1,
                  "items": {
                    "title": "Temporal extent",
                    "type": "array",
                    "minItems": 2,
                    "maxItems": 2,
                    "items": {
                      "type": [
                        "string",
                        "null"
                      ],
                      "format": "date-time"
                    }
                  }
                }
              }
            }
          }
        },
        "properties": {
          "title": "Common properties",
          "type": "object"
        }
      }
    }
  }
}