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

.. only:: html

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

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

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

.. _sphx_glr_gallery_network_science_plot_cliques.py:


Cliques
============

This example from `igraph` shows how to compute and visualize cliques and highlight them.

.. GENERATED FROM PYTHON SOURCE LINES 8-41

.. code-block:: Python


    import igraph as ig
    import matplotlib.pyplot as plt
    import iplotx as ipx

    g = ig.Graph.Famous("Zachary")
    layout = g.layout("auto")

    cliques = g.cliques(4, 4)

    fig, axs = plt.subplots(3, 4)
    axs = axs.ravel()
    for clique, ax in zip(cliques, axs):
        ipx.plot(
            network=g,
            grouping=ig.VertexCover(g, [clique]),
            layout=layout,
            ax=ax,
            style={
                "vertex": {
                    "size": 5,
                },
                "edge": {
                    "linewidth": 0.5,
                },
                "grouping": {
                    "facecolor": "yellow",
                },
            },
        )
    axs[-1].axis("off")  # Hide the last empty subplot





.. image-sg:: /gallery/network_science/images/sphx_glr_plot_cliques_001.png
   :alt: plot cliques
   :srcset: /gallery/network_science/images/sphx_glr_plot_cliques_001.png
   :class: sphx-glr-single-img


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

 .. code-block:: none


    (np.float64(0.0), np.float64(1.0), np.float64(0.0), np.float64(1.0))



.. GENERATED FROM PYTHON SOURCE LINES 42-46

Advanced: improving plotting style
----------------------------------
If you want a little more style, you can color the vertices/edges within each
clique to make them stand out:

.. GENERATED FROM PYTHON SOURCE LINES 46-84

.. code-block:: Python

    fig, axs = plt.subplots(3, 4)
    axs = axs.ravel()
    for clique, ax in zip(cliques, axs):
        # Color vertices yellow/red based on whether they are in this clique
        g.vs["color"] = "yellow"
        g.vs[clique]["color"] = "red"

        # Color edges black/red based on whether they are in this clique
        clique_edges = g.es.select(_within=clique)
        g.es["color"] = "black"
        clique_edges["color"] = "red"
        # also increase thickness of clique edges
        g.es["width"] = 0.3
        clique_edges["width"] = 1

        ipx.plot(
            network=g,
            grouping=ig.VertexCover(g, [clique]),
            layout=layout,
            ax=ax,
            style={
                "vertex": {
                    "size": 5,
                    "facecolor": g.vs["color"],
                    "edgecolor": "black",
                    "linewidth": 0.5,
                },
                "edge": {
                    "linewidth": g.es["width"],
                    "color": g.es["color"],
                },
                "grouping": {
                    "facecolor": "red",
                    "vertexpadding": 3,
                },
            },
        )
    axs[-1].axis("off")  # Hide the last empty subplot



.. image-sg:: /gallery/network_science/images/sphx_glr_plot_cliques_002.png
   :alt: plot cliques
   :srcset: /gallery/network_science/images/sphx_glr_plot_cliques_002.png
   :class: sphx-glr-single-img


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

 .. code-block:: none


    (np.float64(0.0), np.float64(1.0), np.float64(0.0), np.float64(1.0))




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

   **Total running time of the script:** (0 minutes 1.774 seconds)


.. _sphx_glr_download_gallery_network_science_plot_cliques.py:

.. only:: html

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

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

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

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

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

    .. container:: sphx-glr-download sphx-glr-download-zip

      :download:`Download zipped: plot_cliques.zip <plot_cliques.zip>`


.. only:: html

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

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