.. 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_userdemo_connect_simple01.py: ================ Connect Simple01 ================ A `ConnectionPatch` can be used to draw a line (possibly with arrow head) between points defined in different coordinate systems and/or axes. .. image:: /gallery/userdemo/images/sphx_glr_connect_simple01_001.png :class: sphx-glr-single-img .. code-block:: default from matplotlib.patches import ConnectionPatch import matplotlib.pyplot as plt fig, (ax1, ax2) = plt.subplots(1, 2, figsize=(6, 3)) # Draw a simple arrow between two points in axes coordinates # within a single axes. xyA = (0.2, 0.2) xyB = (0.8, 0.8) coordsA = "data" coordsB = "data" con = ConnectionPatch(xyA, xyB, coordsA, coordsB, arrowstyle="-|>", shrinkA=5, shrinkB=5, mutation_scale=20, fc="w") ax1.plot([xyA[0], xyB[0]], [xyA[1], xyB[1]], "o") ax1.add_artist(con) # Draw an arrow between the same point in data coordinates, # but in different axes. xy = (0.3, 0.2) coordsA = "data" coordsB = "data" con = ConnectionPatch(xyA=xy, xyB=xy, coordsA=coordsA, coordsB=coordsB, axesA=ax2, axesB=ax1, arrowstyle="->", shrinkB=5) ax2.add_artist(con) # Draw a line between the different points, defined in different coordinate # systems. xyA = (0.6, 1.0) # in axes coordinates xyB = (0.0, 0.2) # x in axes coordinates, y in data coordinates coordsA = "axes fraction" coordsB = ax2.get_yaxis_transform() con = ConnectionPatch(xyA=xyA, xyB=xyB, coordsA=coordsA, coordsB=coordsB, arrowstyle="-") ax2.add_artist(con) ax1.set_xlim(0, 1) ax1.set_ylim(0, 1) ax2.set_xlim(0, .5) ax2.set_ylim(0, .5) plt.show() .. _sphx_glr_download_gallery_userdemo_connect_simple01.py: .. only :: html .. container:: sphx-glr-footer :class: sphx-glr-footer-example .. container:: sphx-glr-download :download:`Download Python source code: connect_simple01.py ` .. container:: sphx-glr-download :download:`Download Jupyter notebook: connect_simple01.ipynb ` .. only:: html .. rst-class:: sphx-glr-signature Keywords: matplotlib code example, codex, python plot, pyplot `Gallery generated by Sphinx-Gallery `_