.. DO NOT EDIT.
.. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY.
.. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE:
.. "sphinx_gallery_output/plot_04_weighted.py"
.. LINE NUMBERS ARE GIVEN BELOW.

.. only:: html

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

        Click :ref:`here <sphx_glr_download_sphinx_gallery_output_plot_04_weighted.py>`
        to download the full example code

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

.. _sphx_glr_sphinx_gallery_output_plot_04_weighted.py:


Weighted Graphs (2)
===================

Alternative visualisation for a weighted graph using edge widths to represent the absolute edge weight,
and colour to represent the sign of the weight.

.. GENERATED FROM PYTHON SOURCE LINES 9-38



.. image-sg:: /sphinx_gallery_output/images/sphx_glr_plot_04_weighted_001.png
   :alt: plot 04 weighted
   :srcset: /sphinx_gallery_output/images/sphx_glr_plot_04_weighted_001.png
   :class: sphx-glr-single-img


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

 Out:

 .. code-block:: none

    /home/paul/src/netgraph/netgraph/_utils.py:394: RuntimeWarning: invalid value encountered in true_divide
      unit_vector = vector / np.linalg.norm(vector)






|

.. code-block:: default


    import numpy as np
    import matplotlib.pyplot as plt

    from netgraph import Graph

    weighted_cube = [
        (0, 1, -0.1),
        (1, 2, -0.2),
        (2, 3, -0.4),
        (3, 2,  0.0),
        (3, 0, -0.2),
        (4, 5,  0.7),
        (5, 6,  0.9),
        (6, 5, -0.2),
        (6, 7,  0.5),
        (7, 4,  0.1),
        (0, 4,  0.5),
        (1, 5, -0.3),
        (5, 1, -0.4),
        (2, 6,  0.8),
        (3, 7,  0.4)
    ]

    edge_width = {(u, v) : 3 * np.abs(w) for (u, v, w) in weighted_cube}
    edge_color = {(u, v) : 'blue' if w <=0 else 'red' for (u, v, w) in weighted_cube}
    Graph(weighted_cube, edge_width=edge_width, edge_color=edge_color, arrows=True)

    plt.show()


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

   **Total running time of the script:** ( 0 minutes  0.136 seconds)


.. _sphx_glr_download_sphinx_gallery_output_plot_04_weighted.py:


.. only :: html

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



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

     :download:`Download Python source code: plot_04_weighted.py <plot_04_weighted.py>`



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

     :download:`Download Jupyter notebook: plot_04_weighted.ipynb <plot_04_weighted.ipynb>`


.. only:: html

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

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