.. 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_eventcollection_demo.py: ==================== EventCollection Demo ==================== Plot two curves, then use EventCollections to mark the locations of the x and y data points on the respective axes for each curve .. image:: /gallery/lines_bars_and_markers/images/sphx_glr_eventcollection_demo_001.png :class: sphx-glr-single-img .. code-block:: default import matplotlib.pyplot as plt from matplotlib.collections import EventCollection import numpy as np # Fixing random state for reproducibility np.random.seed(19680801) # create random data xdata = np.random.random([2, 10]) # split the data into two parts xdata1 = xdata[0, :] xdata2 = xdata[1, :] # sort the data so it makes clean curves xdata1.sort() xdata2.sort() # create some y data points ydata1 = xdata1 ** 2 ydata2 = 1 - xdata2 ** 3 # plot the data fig = plt.figure() ax = fig.add_subplot(1, 1, 1) ax.plot(xdata1, ydata1, color='tab:blue') ax.plot(xdata2, ydata2, color='tab:orange') # create the events marking the x data points xevents1 = EventCollection(xdata1, color='tab:blue', linelength=0.05) xevents2 = EventCollection(xdata2, color='tab:orange', linelength=0.05) # create the events marking the y data points yevents1 = EventCollection(ydata1, color='tab:blue', linelength=0.05, orientation='vertical') yevents2 = EventCollection(ydata2, color='tab:orange', linelength=0.05, orientation='vertical') # add the events to the axis ax.add_collection(xevents1) ax.add_collection(xevents2) ax.add_collection(yevents1) ax.add_collection(yevents2) # set the limits ax.set_xlim([0, 1]) ax.set_ylim([0, 1]) ax.set_title('line plot with data points') # display the plot plt.show() .. _sphx_glr_download_gallery_lines_bars_and_markers_eventcollection_demo.py: .. only :: html .. container:: sphx-glr-footer :class: sphx-glr-footer-example .. container:: sphx-glr-download :download:`Download Python source code: eventcollection_demo.py ` .. container:: sphx-glr-download :download:`Download Jupyter notebook: eventcollection_demo.ipynb ` .. only:: html .. rst-class:: sphx-glr-signature Keywords: matplotlib code example, codex, python plot, pyplot `Gallery generated by Sphinx-Gallery `_