item.json

{
  "stac_version": "1.0.0",
  "stac_extensions": [
    "https://stac-extensions.github.io/template/v1.0.0/schema.json"
  ],
  "type": "Feature",
  "id": "item",
  "bbox": [
    172.9,
    1.3,
    173,
    1.4
  ],
  "geometry": {
    "type": "Polygon",
    "coordinates": [
      [
        [
          172.9,
          1.3
        ],
        [
          173,
          1.3
        ],
        [
          173,
          1.4
        ],
        [
          172.9,
          1.4
        ],
        [
          172.9,
          1.3
        ]
      ]
    ]
  },
  "properties": {
    "datetime": "2020-12-11T22:38:32Z",
    "coco:license": [
      {
        "id": 1,
        "name": "MIT License",
        "url": "https://link/to/license/text"
      }
    ],
    "coco:categories": [
      {
        "id": 1,
        "name": "locomotive",
        "supercategory": "train cars"
      }
    ],
    "coco:annotations": [
      {
        "id": 1,
        "image_id": 1,
        "category_id": 1,
        "bbox": [
          260,
          177,
          231,
          199
        ],
        "segmentation": [
          [
            260,
            177
          ],
          [
            261,
            178
          ],
          [
            262,
            179
          ]
        ],
        "area": 45969,
        "iscrowd": 0,
        "score": 0.75
      }
    ]
  },
  "links": [
    {
      "href": "https://example.com/examples/item.json",
      "rel": "self"
    }
  ],
  "assets": {
    "data": {
      "href": "https://example.com/examples/file.xyz",
      "template:new_field": "test"
    }
  }
}