This gist reads VertiX radar spectra and plots

gcpex-spectra.ipynb

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      "Populating the interactive namespace from numpy and matplotlib\n"
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      "/Users/snesbitt/anaconda/lib/python3.6/site-packages/IPython/core/magics/pylab.py:160: UserWarning: pylab import has clobbered these variables: ['interactive']\n",
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   "source": [
    "%pylab inline\n",
    "import xarray as xr\n",
    "from ipywidgets import interactive\n",
    "from mpl_toolkits.axes_grid1 import make_axes_locatable"
   ]
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   "source": [
    "data = xr.open_dataset('/Users/snesbitt/data/GCPEX_DATA/18Feb12_0900-1400.ncdf')\n",
    "def plot_spectra(time):\n",
    "    data_sub=data.sel(time_spec=time,method='nearest')\n",
    "    data_sub2=data.sel(time=time,method='nearest')\n",
    "    plt.figure(figsize=(11,8.5))\n",
    "    ax1 = plt.subplot2grid((3, 3), (0, 0), colspan=3)\n",
    "    cax1=ax1.contourf(data['time'].values,data['range'].values,data['reflectivity'],levels=np.arange(-10,45,5),cmap='jet')\n",
    "    ax1.set_ylim([0,6000])\n",
    "    ax1.set_title('Reflectivity factor')\n",
    "    plt.axvline(x=time)\n",
    "    divider = make_axes_locatable(ax1)\n",
    "    cax = divider.append_axes(\"right\", size=\"5%\", pad=0.05)\n",
    "    plt.colorbar(cax1, cax=cax)\n",
    "    ax2 = plt.subplot2grid((3, 3), (1, 0), colspan=3)\n",
    "    cax2=ax2.contourf(data['time'].values,data['range'].values,data['doppler_velocity'],levels=np.arange(-5,5,.5),cmap='jet')\n",
    "    ax2.set_ylim([0,6000])\n",
    "    ax2.set_title('Mean Doppler velocity')\n",
    "    plt.axvline(x=time)\n",
    "    divider = make_axes_locatable(ax2)\n",
    "    cax = divider.append_axes(\"right\", size=\"5%\", pad=0.05)\n",
    "    plt.colorbar(cax2, cax=cax)\n",
    "    ax3 = plt.subplot2grid((3, 3), (2, 0))\n",
    "    ax3.contourf(data_sub['velocity_spec'].values,data_sub['range_spec'].values,data_sub['spectra'].values)\n",
    "    ax3.set_ylim([0,6000])\n",
    "    ax3.set_xlim([-5,5])\n",
    "    ax3.set_title('Doppler spectra')\n",
    "    ax4 = plt.subplot2grid((3, 3), (2, 1))\n",
    "    ax4.plot(data_sub2['reflectivity'].values,data_sub2['range'].values)\n",
    "    ax4.set_xlim([-20,50])\n",
    "    ax4.set_ylim([0,6000])\n",
    "    ax4.set_title('Reflectivity factor')\n",
    "    ax5 = plt.subplot2grid((3, 3), (2, 2))\n",
    "    ax5.plot(data_sub2['doppler_velocity'].values,data_sub2['range'].values)\n",
    "    ax5.set_xlim([-5,5])\n",
    "    ax5.set_ylim([0,6000])\n",
    "    ax5.set_title('Mean Doppler velocity')\n",
    "    plt.tight_layout()\n",
    "    plt.show()\n",
    "\n",
    "    \n",
    "interactive_plot = interactive(plot_spectra, time=data['time'].values)\n",
    "output = interactive_plot.children[-1]\n",
    "output.layout.height = '625px'\n",
    "interactive_plot\n"
   ]
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   "execution_count": 22,
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       "array([-10.        ,  -9.61538462,  -9.23076923,  -8.84615385,\n",
       "        -8.46153846,  -8.07692308,  -7.69230769,  -7.30769231,\n",
       "        -6.92307692,  -6.53846154,  -6.15384615,  -5.76923077,\n",
       "        -5.38461538,  -5.        ,  -4.61538462,  -4.23076923,\n",
       "        -3.84615385,  -3.46153846,  -3.07692308,  -2.69230769,\n",
       "        -2.30769231,  -1.92307692,  -1.53846154,  -1.15384615,\n",
       "        -0.76923077,  -0.38461538,   0.        ,   0.38461538,\n",
       "         0.76923077,   1.15384615,   1.53846154,   1.92307692,\n",
       "         2.30769231,   2.69230769,   3.07692308,   3.46153846,\n",
       "         3.84615385,   4.23076923,   4.61538462,   5.        ])"
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     "execution_count": 22,
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   "source": [
    "np.linspace(-10,5,40)"
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   "execution_count": null,
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