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    {
      "cell_type": "code",
      "execution_count": null,
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      "source": [
        "%matplotlib inline"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {},
      "source": [
        "# Polar axis\n\nDemo of a line plot on a polar axis.\n"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": null,
      "metadata": {
        "collapsed": false
      },
      "outputs": [],
      "source": [
        "import numpy as np\nimport matplotlib.pyplot as plt\n\n\nr = np.arange(0, 2, 0.01)\ntheta = 2 * np.pi * r\n\nplt.figure()\nax = plt.subplot(111, projection=\"polar\")\nax.plot(theta, r)\nax.set_rmax(2)\nax.set_rticks([0.5, 1, 1.5, 2])  # less radial ticks\nax.set_rlabel_position(-22.5)  # get radial labels away from plotted line\nax.grid(True)\n\nax.set_title(\"A line plot on a polar axis\", va=\"bottom\")\nplt.show()"
      ]
    }
  ],
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