.. DO NOT EDIT.
.. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY.
.. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE:
.. "gallery/network_science/plot_shortest_path.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_shortest_path.py>`
        to download the full example code.

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

.. _sphx_glr_gallery_network_science_plot_shortest_path.py:


Shortest path
=============

This example from networkx shows how to use edge labels and their rotation.

.. GENERATED FROM PYTHON SOURCE LINES 7-56



.. image-sg:: /gallery/network_science/images/sphx_glr_plot_shortest_path_001.png
   :alt: plot shortest path
   :srcset: /gallery/network_science/images/sphx_glr_plot_shortest_path_001.png
   :class: sphx-glr-single-img


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

 .. code-block:: none


    [<iplotx.network.NetworkArtist object at 0x7dd1a5107b10>]





|

.. code-block:: Python


    import networkx as nx
    import matplotlib.pyplot as plt
    import iplotx as ipx

    G = nx.Graph()
    G.add_nodes_from(["A", "B", "C", "D", "E", "F", "G", "H"])
    G.add_edge("A", "B", weight=4)
    G.add_edge("A", "H", weight=8)
    G.add_edge("B", "C", weight=8)
    G.add_edge("B", "H", weight=11)
    G.add_edge("C", "D", weight=7)
    G.add_edge("C", "F", weight=4)
    G.add_edge("C", "I", weight=2)
    G.add_edge("D", "E", weight=9)
    G.add_edge("D", "F", weight=14)
    G.add_edge("E", "F", weight=10)
    G.add_edge("F", "G", weight=2)
    G.add_edge("G", "H", weight=1)
    G.add_edge("G", "I", weight=6)
    G.add_edge("H", "I", weight=7)

    # Find the shortest path from node A to node E
    path = nx.shortest_path(G, "A", "E", weight="weight")

    # Create a list of edges in the shortest path
    path_edges = list(zip(path, path[1:]))
    nx.set_node_attributes(G, nx.spring_layout(G, seed=37), "pos")
    nx.set_edge_attributes(
        G,
        {
            (u, v): {
                "color": (
                    "red" if (u, v) in path_edges or tuple(reversed((u, v))) in path_edges else "black"
                ),
                "label": d["weight"],
            }
            for u, v, d in G.edges(data=True)
        },
    )

    fig, ax = plt.subplots()
    ipx.plot(
        G,
        ax=ax,
        layout="pos",
        vertex_labels=True,
        edge_labels=True,
    )


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

   **Total running time of the script:** (0 minutes 0.066 seconds)


.. _sphx_glr_download_gallery_network_science_plot_shortest_path.py:

.. only:: html

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

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

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

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

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

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

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


.. only:: html

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

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