mf-json/MF-JSON_Trajectory.schema.json at master · TaehoonK/mf-json · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "http://www.opengis.net/spec/movingfeatures/json/1.0/trajectory/MF-JSON_Trajectory.schema.json",
  "type": "object",
  "title": "OGC Moving Feature JSON Trajecotry schema",
  "required": [ "type" ],
  "oneOf":[
    {"$ref": "#/definitions/feature"},
    {"$ref": "#/definitions/featureCollection"}
  ],
  "definitions": {
    "feature": {
      "title": "Feature",
      "description": "A MF-JSON trajectory feature",
      "$id": "#/definitions/feature",
      "type": "object",
      "required": ["geometry", "properties"],
      "properties": {
        "type": {"type": "string", "enum": ["Feature"]},
        "id": {"type": ["string", "number"]},
        "geometry": {"$ref": "#/definitions/trajectory"}
        },
        "properties": {
          "type": "object",
          "required": ["datetimes"],
          "properties": {
            "datetimes": {
              "type": "array",
              "uniqueItems": true,
              "minItems": 2,
              "items": {"type": "string", "format": "date-time"}
            }
          }
        }
      }
    },
    "featureCollection": {
      "title": "FeatureCollection",
      "description": "A MF-JSON trajectory feature collection",
      "$id": "#/definitions/featureCollection",
      "type": "object",
      "required": ["features"],
      "properties": {
        "type": {"type": "string", "enum": ["FeatureCollection"]},
        "features": {
          "type": "array",
          "items": {"$ref": "#/definitions/feature"}
        }
      }
    },
    "trajectory": {
      "title": "Geometry of trajectory (LineString)",
      "$id": "#/definitions/trajectory",
      "type": "object",
      "required": ["type", "coordinates"],
      "properties": {
        "type": {"type": "string", "enum": ["LineString"]},
        "coordinates": {
          "type": "array",
          "minItems": 2,
          "items": {
            "type": "array",
            "minItems": 2,
            "items": {"type": "number"}
          }
        }
    }
  }
}