{
  "format": "Tracium",
  "version": 3,
  "view": {
    "xMin": -2.5,
    "xMax": 2.5,
    "yMin": -1.4062,
    "yMax": 1.4062
  },
  "curves": [
    {
      "type": "parametric",
      "f1": "-1",
      "f2": "t",
      "tMin": "-100",
      "tMax": "100",
      "steps": 10,
      "color": "#808080",
      "thickness": 1
    },
    {
      "type": "parametric",
      "f1": "(1 - t^2)/(1 + t^2)",
      "f2": "t*(1 - t^2)/(1 + t^2)",
      "tMin": "-20",
      "tMax": "20",
      "steps": 8000,
      "color": "#007A33",
      "thickness": 2
    }
  ]
}