{
  "id": "segment",
  "name": "零误差退化线段",
  "source": "synthetic",
  "target": [
    40,
    0
  ],
  "measurements": [
    {
      "x": 0,
      "y": 0,
      "bearing_deg": 0,
      "half_angle_deg": 0
    },
    {
      "x": 100,
      "y": 0,
      "bearing_deg": 180,
      "half_angle_deg": 0
    }
  ]
}