{
    "$schema": "http://json-schema.org/schema#",
    "$schemaVersion": "0.0.1",
    "$id": "https://smart-data-models.github.io/data-models/specs/UrbanMobility/GtfsShape/schema.json",
    "title": "Smart Data Models. GTFS Schema",
    "description": "GTFS Shape",
    "type": "object",
    "allOf": [
        {
            "$ref": "https://smart-data-models.github.io/data-models/common-schema.json#/definitions/GSMA-Commons"
        },
        {
            "properties": {
                "type": {
                    "type": "string",
                    "enum": [
                        "GtfsShape"
                    ],
                    "description": "Property. NGSI Entity type. It has to be GtfsShape"
                },
                "distanceTravelled": {
                    "type": "array",
                    "description": "Property. An array of the distance travelled when reaching each of the points that make the `LineString` or `MultiLineString` that represents this shape. It shall match the same number of elements as the corresponding `LineString` or `MultiLineString`.",
                    "items": {
                        "type": "number",
                        "minimum": 0
                    },
                    "minItems": 1
                },
                "location": {
                    "oneOf": [
                        {
                            "$ref": "http://geojson.org/schema/LineString.json"
                        },
                        {
                            "$ref": "http://geojson.org/schema/MultiLineString.json"
                        }
                    ],
                    "description": "Geoproperty. The geographical shape associated to this entity encoded as GeoJSON `LineString` or `MultiLineString`. The coordinates shall be obtained from the `shapes.txt` feed file as per the value of `shape_id`, `shape_pt_lat`, `shape_pt_lon`, `shape_pt_sequence`."
                }
            }
        }
    ],
    "required": [
        "id",
        "type",
        "location"
    ]
}