.. DO NOT EDIT.
.. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY.
.. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE:
.. "source/auto_examples/plot_zdr_check.py"
.. LINE NUMBERS ARE GIVEN BELOW.

.. only:: html

    .. note::
        :class: sphx-glr-download-link-note

        :ref:`Go to the end <sphx_glr_download_source_auto_examples_plot_zdr_check.py>`
        to download the full example code

.. rst-class:: sphx-glr-example-title

.. _sphx_glr_source_auto_examples_plot_zdr_check.py:


ZDR Bias Calculation
---------------------

This example shows how to calculate the zdr bias from VPT/Birdbath scans

.. GENERATED FROM PYTHON SOURCE LINES 8-35



.. image-sg:: /source/auto_examples/images/sphx_glr_plot_zdr_check_001.png
   :alt: plot zdr check
   :srcset: /source/auto_examples/images/sphx_glr_plot_zdr_check_001.png
   :class: sphx-glr-single-img


.. rst-class:: sphx-glr-script-out

 .. code-block:: none

    Zdr Bias: 2.69






|

.. code-block:: Python


    import matplotlib.pyplot as plt
    from act.io.arm import read_arm_netcdf
    from open_radar_data import DATASETS

    import radtraq

    # Read in example data
    filename = DATASETS.fetch('sgpxsaprcfrvptI4.a1.20200205.100827.nc')
    ds = read_arm_netcdf(filename)

    thresh = {'cross_correlation_ratio_hv': [0.995, 1], 'reflectivity': [10, 30], 'range': [1000, 3000]}

    # Call RadTraQ function
    results = radtraq.proc.calc_zdr_offset(ds, zdr_var='differential_reflectivity', thresh=thresh)

    print('Zdr Bias: ' + '%.2f' % results['bias'])

    fig, ax = plt.subplots(1, 3, figsize=(10, 8))
    ax[0].plot(results['profile_zdr'], results['range'])
    ax[0].set_ylabel('Range (m)')
    ax[0].set_xlabel('Zdr (dB)')
    ax[1].plot(results['profile_reflectivity'], results['range'])
    ax[1].set_xlabel('Zh (dBZ)')
    ax[2].plot(results['profile_cross_correlation_ratio_hv'], results['range'])
    ax[2].set_xlabel('RhoHV ()')
    plt.show()


.. rst-class:: sphx-glr-timing

   **Total running time of the script:** (0 minutes 0.365 seconds)


.. _sphx_glr_download_source_auto_examples_plot_zdr_check.py:

.. only:: html

  .. container:: sphx-glr-footer sphx-glr-footer-example

    .. container:: sphx-glr-download sphx-glr-download-jupyter

      :download:`Download Jupyter notebook: plot_zdr_check.ipynb <plot_zdr_check.ipynb>`

    .. container:: sphx-glr-download sphx-glr-download-python

      :download:`Download Python source code: plot_zdr_check.py <plot_zdr_check.py>`


.. only:: html

 .. rst-class:: sphx-glr-signature

    `Gallery generated by Sphinx-Gallery <https://sphinx-gallery.github.io>`_