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

.. only:: html

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

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

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

.. _sphx_glr_gallery_graph_structure_plot_chord_diagram.py:


Chord diagram
=============

.. GENERATED FROM PYTHON SOURCE LINES 10-55



.. rst-class:: sphx-glr-horizontal


    *

      .. image-sg:: /gallery/graph_structure/images/sphx_glr_plot_chord_diagram_001.png
         :alt: plot chord diagram
         :srcset: /gallery/graph_structure/images/sphx_glr_plot_chord_diagram_001.png
         :class: sphx-glr-multi-img

    *

      .. image-sg:: /gallery/graph_structure/images/sphx_glr_plot_chord_diagram_002.png
         :alt: plot chord diagram
         :srcset: /gallery/graph_structure/images/sphx_glr_plot_chord_diagram_002.png
         :class: sphx-glr-multi-img





.. code-block:: Python


    import matplotlib.pyplot as plt

    import nngt

    plt.rcParams["figure.facecolor"] = (0, 0, 0, 0)

    nngt.seed(0)


    # create a structured graph

    room1 = nngt.Group(25)
    room2 = nngt.Group(50)
    room3 = nngt.Group(40)
    room4 = nngt.Group(35)

    names = ["R1", "R2", "R3", "R4"]

    struct = nngt.Structure.from_groups((room1, room2, room3, room4), names)

    g = nngt.Graph(structure=struct, directed=True)

    for room in struct:
        nngt.generation.connect_groups(g, room, room, "all_to_all")

    nngt.generation.connect_groups(g, (room1, room2), struct, "erdos_renyi",
                                   avg_deg=10, ignore_invalid=True)

    nngt.generation.connect_groups(g, room3, room1, "erdos_renyi", avg_deg=20)

    nngt.generation.connect_groups(g, room4, room3, "erdos_renyi", avg_deg=10)


    # get the structure graph and plot

    sg = g.get_structure_graph()

    # undirected version of the chord diagram
    nngt.plot.chord_diagram(sg, names="name", sort="distance", fontcolor="grey",
                            use_gradient=True, directed=False, show=False)

    # directed chord diagram
    nngt.plot.chord_diagram(sg, names="name", sort="distance", fontcolor="grey",
                            use_gradient=True, directed=True, show=True)


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

   **Total running time of the script:** (0 minutes 2.083 seconds)


.. _sphx_glr_download_gallery_graph_structure_plot_chord_diagram.py:

.. only:: html

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

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

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

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

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


.. only:: html

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

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