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# Demo Annotation Box

    import matplotlib.pyplot as plt
    import numpy as np

    from matplotlib.patches import Circle
    from matplotlib.offsetbox import (TextArea, DrawingArea, OffsetImage,
                                      AnnotationBbox)
    from matplotlib.cbook import get_sample_data

    if 1:
        fig, ax = plt.subplots()

        # Define a 1st position to annotate (display it with a marker)
        xy = (0.5, 0.7)
        ax.plot(xy[0], xy[1], ".r")

        # Annotate the 1st position with a text box ('Test 1')
        offsetbox = TextArea("Test 1", minimumdescent=False)

        ab = AnnotationBbox(offsetbox, xy,
                            xybox=(-20, 40),
                            xycoords='data',
                            boxcoords="offset points",
                            arrowprops=dict(arrowstyle="->"))
        ax.add_artist(ab)

        # Annotate the 1st position with another text box ('Test')
        offsetbox = TextArea("Test", minimumdescent=False)

        ab = AnnotationBbox(offsetbox, xy,
                            xybox=(1.02, xy[1]),
                            xycoords='data',
                            boxcoords=("axes fraction", "data"),
                            box_alignment=(0., 0.5),
                            arrowprops=dict(arrowstyle="->"))
        ax.add_artist(ab)

        # Define a 2nd position to annotate (don't display with a marker this time)
        xy = [0.3, 0.55]

        # Annotate the 2nd position with a circle patch
        da = DrawingArea(20, 20, 0, 0)
        p = Circle((10, 10), 10)
        da.add_artist(p)

        ab = AnnotationBbox(da, xy,
                            xybox=(1.02, xy[1]),
                            xycoords='data',
                            boxcoords=("axes fraction", "data"),
                            box_alignment=(0., 0.5),
                            arrowprops=dict(arrowstyle="->"))

        ax.add_artist(ab)

        # Annotate the 2nd position with an image (a generated array of pixels)
        arr = np.arange(100).reshape((10, 10))
        im = OffsetImage(arr, zoom=2)
        im.image.axes = ax

        ab = AnnotationBbox(im, xy,
                            xybox=(-50., 50.),
                            xycoords='data',
                            boxcoords="offset points",
                            pad=0.3,
                            arrowprops=dict(arrowstyle="->"))

        ax.add_artist(ab)

        # Annotate the 2nd position with another image (a Grace Hopper portrait)
        fn = get_sample_data("grace_hopper.png", asfileobj=False)
        arr_img = plt.imread(fn, format='png')

        imagebox = OffsetImage(arr_img, zoom=0.2)
        imagebox.image.axes = ax

        ab = AnnotationBbox(imagebox, xy,
                            xybox=(120., -80.),
                            xycoords='data',
                            boxcoords="offset points",
                            pad=0.5,
                            arrowprops=dict(
                                arrowstyle="->",
                                connectionstyle="angle,angleA=0,angleB=90,rad=3")
                            )

        ax.add_artist(ab)

        # Fix the display limits to see everything
        ax.set_xlim(0, 1)
        ax.set_ylim(0, 1)

        plt.show()

Total running time of the script: ( 0 minutes 0.172 seconds)

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