{
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      "source": [
        "\n# Correcting Lens Distortion\n\nThis example demonstrates how to use `UndistortedCamera` to correct for the\nbarrel or pincushion distortion often present in wide-angle camera lenses.\n"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": null,
      "metadata": {
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      },
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      "source": [
        "import datetime\nfrom arguslib.camera.camera import Camera\nfrom arguslib.camera.undistorted_camera import UndistortedCamera\n\ndt = datetime.datetime(2025, 3, 25, 9, 0, 0)"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {},
      "source": [
        "## Standard Camera with Lens Distortion\n\nWhen we plot an image from a standard `Camera` object, especially one with a\nwide-angle lens, we can often see the effects of lens distortion. Notice how\nstraight lines appear to curve near the edges of the image.\n\n"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": null,
      "metadata": {
        "collapsed": false
      },
      "outputs": [],
      "source": [
        "cam = Camera.from_config(\"COBALT\", \"3-7\")\nax = cam.show(dt)"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {},
      "source": [
        "## Correcting Distortion with `UndistortedCamera`\n\nThe `UndistortedCamera` class applies a correction based on the camera's\ncalibration parameters, effectively \"unwarping\" the image. The resulting\nplot shows a much more natural, rectilinear view, as if seen through a\ndistortion-free lens.\n\n"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": null,
      "metadata": {
        "collapsed": false
      },
      "outputs": [],
      "source": [
        "undistorted_cam = UndistortedCamera.from_config(\"COBALT\", \"3-7\")\nax = undistorted_cam.show(dt)"
      ]
    }
  ],
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