{
  "all_pass": true,
  "kind": "ideal_ray_geometry_not_measurement",
  "inputs": {
    "stick_height_m": 1,
    "altitudes_deg": [
      20,
      40,
      60
    ],
    "units_per_m": 110,
    "horizontal_ground": true,
    "vertical_stick": true
  },
  "checks": [
    {
      "altitude_deg": 20,
      "stick_m": 1,
      "shadow_m": 2.7474774194546225,
      "independent_ray_intersection_m": 2.7474774194546225,
      "angle_recovered_deg": 20.0
    },
    {
      "altitude_deg": 40,
      "stick_m": 1,
      "shadow_m": 1.19175359259421,
      "independent_ray_intersection_m": 1.1917535925942102,
      "angle_recovered_deg": 40.0
    },
    {
      "altitude_deg": 60,
      "stick_m": 1,
      "shadow_m": 0.577350269189626,
      "independent_ray_intersection_m": 0.577350269189626,
      "angle_recovered_deg": 59.99999999999999
    }
  ],
  "limits": [
    "No city/date ephemeris",
    "Point-direction sunlight",
    "Finite Sun/penumbra/terrain omitted",
    "Only0<altitude<90degrees used"
  ]
}