.. 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_axes_grid1_simple_anchored_artists.py: ======================= Simple Anchored Artists ======================= This example illustrates the use of the anchored helper classes found in :mod:`matplotlib.offsetbox` and in :mod:`mpl_toolkits.axes_grid1`. An implementation of a similar figure, but without use of the toolkit, can be found in :doc:`/gallery/misc/anchored_artists`. .. image:: /gallery/axes_grid1/images/sphx_glr_simple_anchored_artists_001.png :alt: simple anchored artists :class: sphx-glr-single-img .. code-block:: default import matplotlib.pyplot as plt def draw_text(ax): """ Draw two text-boxes, anchored by different corners to the upper-left corner of the figure. """ from matplotlib.offsetbox import AnchoredText at = AnchoredText("Figure 1a", loc='upper left', prop=dict(size=8), frameon=True, ) at.patch.set_boxstyle("round,pad=0.,rounding_size=0.2") ax.add_artist(at) at2 = AnchoredText("Figure 1(b)", loc='lower left', prop=dict(size=8), frameon=True, bbox_to_anchor=(0., 1.), bbox_transform=ax.transAxes ) at2.patch.set_boxstyle("round,pad=0.,rounding_size=0.2") ax.add_artist(at2) def draw_circle(ax): """ Draw a circle in axis coordinates """ from mpl_toolkits.axes_grid1.anchored_artists import AnchoredDrawingArea from matplotlib.patches import Circle ada = AnchoredDrawingArea(20, 20, 0, 0, loc='upper right', pad=0., frameon=False) p = Circle((10, 10), 10) ada.da.add_artist(p) ax.add_artist(ada) def draw_ellipse(ax): """ Draw an ellipse of width=0.1, height=0.15 in data coordinates """ from mpl_toolkits.axes_grid1.anchored_artists import AnchoredEllipse ae = AnchoredEllipse(ax.transData, width=0.1, height=0.15, angle=0., loc='lower left', pad=0.5, borderpad=0.4, frameon=True) ax.add_artist(ae) def draw_sizebar(ax): """ Draw a horizontal bar with length of 0.1 in data coordinates, with a fixed label underneath. """ from mpl_toolkits.axes_grid1.anchored_artists import AnchoredSizeBar asb = AnchoredSizeBar(ax.transData, 0.1, r"1$^{\prime}$", loc='lower center', pad=0.1, borderpad=0.5, sep=5, frameon=False) ax.add_artist(asb) ax = plt.gca() ax.set_aspect(1.) draw_text(ax) draw_circle(ax) draw_ellipse(ax) draw_sizebar(ax) plt.show() .. _sphx_glr_download_gallery_axes_grid1_simple_anchored_artists.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: simple_anchored_artists.py ` .. container:: sphx-glr-download sphx-glr-download-jupyter :download:`Download Jupyter notebook: simple_anchored_artists.ipynb ` .. only:: html .. rst-class:: sphx-glr-signature Keywords: matplotlib code example, codex, python plot, pyplot `Gallery generated by Sphinx-Gallery `_