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        "\n# floating_axis demo\n\nAxis within rectangular frame.\n\nThe following code demonstrates how to put a floating polar curve within a\nrectangular box. In order to get a better sense of polar curves, please look at\n:doc:`/gallery/axisartist/demo_curvelinear_grid`.\n"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": null,
      "metadata": {
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      "source": [
        "import matplotlib.pyplot as plt\nimport numpy as np\n\nfrom matplotlib.projections import PolarAxes\nfrom matplotlib.transforms import Affine2D\nfrom mpl_toolkits.axisartist import GridHelperCurveLinear, HostAxes\nimport mpl_toolkits.axisartist.angle_helper as angle_helper\n\n\ndef curvelinear_test2(fig):\n    \"\"\"Polar projection, but in a rectangular box.\"\"\"\n    # see demo_curvelinear_grid.py for details\n    tr = Affine2D().scale(np.pi / 180., 1.) + PolarAxes.PolarTransform(\n        apply_theta_transforms=False)\n\n    extreme_finder = angle_helper.ExtremeFinderCycle(20,\n                                                     20,\n                                                     lon_cycle=360,\n                                                     lat_cycle=None,\n                                                     lon_minmax=None,\n                                                     lat_minmax=(0, np.inf),\n                                                     )\n\n    grid_locator1 = angle_helper.LocatorDMS(12)\n\n    tick_formatter1 = angle_helper.FormatterDMS()\n\n    grid_helper = GridHelperCurveLinear(tr,\n                                        extreme_finder=extreme_finder,\n                                        grid_locator1=grid_locator1,\n                                        tick_formatter1=tick_formatter1\n                                        )\n\n    ax1 = fig.add_subplot(axes_class=HostAxes, grid_helper=grid_helper)\n\n    # Now creates floating axis\n\n    # floating axis whose first coordinate (theta) is fixed at 60\n    ax1.axis[\"lat\"] = axis = ax1.new_floating_axis(0, 60)\n    axis.label.set_text(r\"$\\theta = 60^{\\circ}$\")\n    axis.label.set_visible(True)\n\n    # floating axis whose second coordinate (r) is fixed at 6\n    ax1.axis[\"lon\"] = axis = ax1.new_floating_axis(1, 6)\n    axis.label.set_text(r\"$r = 6$\")\n\n    ax1.set_aspect(1.)\n    ax1.set_xlim(-5, 12)\n    ax1.set_ylim(-5, 10)\n\n    ax1.grid(True)\n\n\nfig = plt.figure(figsize=(5, 5))\ncurvelinear_test2(fig)\nplt.show()"
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