.. _axes_grid-simple_anchored_artists:

axes_grid example code: simple_anchored_artists.py
==================================================



.. plot:: /builddir/build/BUILD/matplotlib-1.2.0/doc/mpl_examples/axes_grid/simple_anchored_artists.py

::

    import matplotlib.pyplot as plt
    
    
    def draw_text(ax):
        from mpl_toolkits.axes_grid1.anchored_artists import AnchoredText
        at = AnchoredText("Figure 1a",
                          loc=2, 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=3, 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): # circle in the canvas coordinate
        from mpl_toolkits.axes_grid1.anchored_artists import AnchoredDrawingArea
        from matplotlib.patches import Circle
        ada = AnchoredDrawingArea(20, 20, 0, 0,
                                  loc=1, pad=0., frameon=False)
        p = Circle((10, 10), 10)
        ada.da.add_artist(p)
        ax.add_artist(ada)
    
    def draw_ellipse(ax):
        from mpl_toolkits.axes_grid1.anchored_artists import AnchoredEllipse
        # draw an ellipse of width=0.1, height=0.15 in the data coordinate
        ae = AnchoredEllipse(ax.transData, width=0.1, height=0.15, angle=0.,
                             loc=3, pad=0.5, borderpad=0.4, frameon=True)
    
        ax.add_artist(ae)
    
    def draw_sizebar(ax):
        from mpl_toolkits.axes_grid1.anchored_artists import AnchoredSizeBar
        # draw a horizontal bar with length of 0.1 in Data coordinate
        # (ax.transData) with a label underneath.
        asb =  AnchoredSizeBar(ax.transData,
                              0.1,
                              r"1$^{\prime}$",
                              loc=8,
                              pad=0.1, borderpad=0.5, sep=5,
                              frameon=False)
        ax.add_artist(asb)
    
    
    if 1:
        ax = plt.gca()
        ax.set_aspect(1.)
    
        draw_text(ax)
        draw_circle(ax)
        draw_ellipse(ax)
        draw_sizebar(ax)
    
        plt.show()
    
    
    

Keywords: python, matplotlib, pylab, example, codex (see :ref:`how-to-search-examples`)