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# Simple Annotate01

    import matplotlib.pyplot as plt
    import matplotlib.patches as mpatches

    x1, y1 = 0.3, 0.3
    x2, y2 = 0.7, 0.7

    fig = plt.figure(1)
    fig.clf()
    from mpl_toolkits.axes_grid1.axes_grid import Grid
    from matplotlib.offsetbox import AnchoredText

    from matplotlib.font_manager import FontProperties

    def add_at(ax, t, loc=2):
        fp = dict(size=10)
        _at = AnchoredText(t, loc=loc, prop=fp)
        ax.add_artist(_at)
        return _at

    grid = Grid(fig, 111, (4, 4), label_mode="1", share_all=True)

    grid[0].set_autoscale_on(False)

    ax = grid[0]
    ax.plot([x1, x2], [y1, y2], "o")
    ax.annotate("",
                xy=(x1, y1), xycoords='data',
                xytext=(x2, y2), textcoords='data',
                arrowprops=dict(arrowstyle="->"))

    add_at(ax, "A $->$ B", loc=2)

    ax = grid[1]
    ax.plot([x1, x2], [y1, y2], "o")
    ax.annotate("",
                xy=(x1, y1), xycoords='data',
                xytext=(x2, y2), textcoords='data',
                arrowprops=dict(arrowstyle="->", connectionstyle="arc3,rad=0.3"))

    add_at(ax, "connectionstyle=arc3", loc=2)

    ax = grid[2]
    ax.plot([x1, x2], [y1, y2], "o")
    ax.annotate("",
                xy=(x1, y1), xycoords='data',
                xytext=(x2, y2), textcoords='data',
                arrowprops=dict(arrowstyle="->", connectionstyle="arc3,rad=0.3",
                                shrinkB=5)
                )

    add_at(ax, "shrinkB=5", loc=2)

    ax = grid[3]
    ax.plot([x1, x2], [y1, y2], "o")
    el = mpatches.Ellipse((x1, y1), 0.3, 0.4, angle=30, alpha=0.5)
    ax.add_artist(el)
    ax.annotate("",
                xy=(x1, y1), xycoords='data',
                xytext=(x2, y2), textcoords='data',
                arrowprops=dict(arrowstyle="->", connectionstyle="arc3,rad=0.2")
                )

    ax = grid[4]
    ax.plot([x1, x2], [y1, y2], "o")
    el = mpatches.Ellipse((x1, y1), 0.3, 0.4, angle=30, alpha=0.5)
    ax.add_artist(el)
    ax.annotate("",
                xy=(x1, y1), xycoords='data',
                xytext=(x2, y2), textcoords='data',
                arrowprops=dict(arrowstyle="->", connectionstyle="arc3,rad=0.2",
                                patchB=el)
                )

    add_at(ax, "patchB", loc=2)

    ax = grid[5]
    ax.plot([x1], [y1], "o")
    ax.annotate("Test",
                xy=(x1, y1), xycoords='data',
                xytext=(x2, y2), textcoords='data',
                ha="center", va="center",
                bbox=dict(boxstyle="round", fc="w"),
                arrowprops=dict(arrowstyle="->")
                )

    add_at(ax, "annotate", loc=2)

    ax = grid[6]
    ax.plot([x1], [y1], "o")
    ax.annotate("Test",
                xy=(x1, y1), xycoords='data',
                xytext=(x2, y2), textcoords='data',
                ha="center", va="center",
                bbox=dict(boxstyle="round", fc="w", ),
                arrowprops=dict(arrowstyle="->", relpos=(0., 0.))
                )

    add_at(ax, "relpos=(0,0)", loc=2)

    plt.show()

Total running time of the script: ( 0 minutes 0.366 seconds)

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