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      "source": [
        "%matplotlib inline"
      ]
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      "source": [
        "\n# Interpolation and symmetry\n\nExample of extrapolation of values\n"
      ]
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      "cell_type": "code",
      "execution_count": null,
      "metadata": {
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      "source": [
        "try:\n\n    from mafredo import *\n    import xarray as xr\n    import numpy as np\n    import matplotlib.pyplot as plt\n\n    # get a RAO\n    hyd = Hyddb1.create_from_capytaine(r\"capytaine.nc\")\n    rao = hyd.force_rao(0)\n\n    plt.figure()\n    rao['amplitude'].plot()\n    plt.title('input')\n\n    # add resolution in omega direction\n\n    omegas = np.linspace(0,4,100)\n    for omega in omegas:\n        rao.add_frequency(omega)\n\n    # add symmetry\n    plt.figure()\n    rao['amplitude'].plot()\n    plt.title('Re-grid frequencies')\n\n    rao.expand_symmetry_xz()\n\n    plt.figure()\n    rao['amplitude'].plot()\n    plt.title('Added symmetry')\n\n    # regrid directions\n    plt.figure()\n    rao.regrid_direction(np.linspace(0,360,80))\n    rao['amplitude'].plot()\n    plt.title('Regridded directions')\n\n    import matplotlib.pyplot as plt\n    # plt.show()\nexcept:\n    pass # read-the-docs"
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