schema.json

{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "schema.json#",
  "title": "View Geometry Extension",
  "description": "STAC View Geometry Extension to a STAC Item.",
  "allOf": [
    {
      "$ref": "../../../item-spec/json-schema/item.json"
    },
    {
      "$ref": "#/definitions/view"
    }
  ],
  "definitions": {
    "view": {
      "type": "object",
      "required": [
        "properties"
      ],
      "properties": {
        "properties": {
          "type": "object",
          "required": [],
          "properties": {
            "view:off_nadir": {
              "title": "Off Nadir",
              "type": "number",
              "minimum": 0,
              "maximum": 90
            },
            "view:incidence_angle": {
              "title": "Center incidence angle",
              "type": "number",
              "minimum": 0,
              "maximum": 90
            },
            "view:azimuth": {
              "title": "Azimuth angle",
              "type": "number",
              "minimum": 0,
              "maximum": 360
            },
            "view:sun_azimuth": {
              "title": "Sun Azimuth",
              "type": "number",
              "minimum": 0,
              "maximum": 360
            },
            "view:sun_elevation": {
              "title": "Sun Elevation",
              "type": "number",
              "minimum": 0,
              "maximum": 90
            }
          }
        }
      }
    }
  }
}