.. 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_lines_bars_and_markers_masked_demo.py: =========== Masked Demo =========== Plot lines with points masked out. This would typically be used with gappy data, to break the line at the data gaps. .. image:: /gallery/lines_bars_and_markers/images/sphx_glr_masked_demo_001.png :class: sphx-glr-single-img .. code-block:: python import matplotlib.pyplot as plt import numpy as np x = np.arange(0, 2*np.pi, 0.02) y = np.sin(x) y1 = np.sin(2*x) y2 = np.sin(3*x) ym1 = np.ma.masked_where(y1 > 0.5, y1) ym2 = np.ma.masked_where(y2 < -0.5, y2) lines = plt.plot(x, y, x, ym1, x, ym2, 'o') plt.setp(lines[0], linewidth=4) plt.setp(lines[1], linewidth=2) plt.setp(lines[2], markersize=10) plt.legend(('No mask', 'Masked if > 0.5', 'Masked if < -0.5'), loc='upper right') plt.title('Masked line demo') plt.show() .. _sphx_glr_download_gallery_lines_bars_and_markers_masked_demo.py: .. only :: html .. container:: sphx-glr-footer :class: sphx-glr-footer-example .. container:: sphx-glr-download :download:`Download Python source code: masked_demo.py ` .. container:: sphx-glr-download :download:`Download Jupyter notebook: masked_demo.ipynb ` .. only:: html .. rst-class:: sphx-glr-signature Keywords: matplotlib code example, codex, python plot, pyplot `Gallery generated by Sphinx-Gallery `_