.. only:: html .. note:: :class: sphx-glr-download-link-note Click :ref:`here ` to download the full example code .. rst-class:: sphx-glr-example-title .. _sphx_glr_gallery_text_labels_and_annotations_legend.py: =============================== Legend using pre-defined labels =============================== Defining legend labels with plots. .. code-block:: default import numpy as np import matplotlib.pyplot as plt # Make some fake data. a = b = np.arange(0, 3, .02) c = np.exp(a) d = c[::-1] # Create plots with pre-defined labels. fig, ax = plt.subplots() ax.plot(a, c, 'k--', label='Model length') ax.plot(a, d, 'k:', label='Data length') ax.plot(a, c + d, 'k', label='Total message length') legend = ax.legend(loc='upper center', shadow=True, fontsize='x-large') # Put a nicer background color on the legend. legend.get_frame().set_facecolor('C0') plt.show() .. image:: /gallery/text_labels_and_annotations/images/sphx_glr_legend_001.png :alt: legend :class: sphx-glr-single-img ------------ References """""""""" The use of the following functions, methods, classes and modules is shown in this example: .. code-block:: default import matplotlib matplotlib.axes.Axes.plot matplotlib.pyplot.plot matplotlib.axes.Axes.legend matplotlib.pyplot.legend .. rst-class:: sphx-glr-script-out Out: .. code-block:: none .. _sphx_glr_download_gallery_text_labels_and_annotations_legend.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: legend.py ` .. container:: sphx-glr-download sphx-glr-download-jupyter :download:`Download Jupyter notebook: legend.ipynb ` .. only:: html .. rst-class:: sphx-glr-signature Keywords: matplotlib code example, codex, python plot, pyplot `Gallery generated by Sphinx-Gallery `_