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import matplotlib.pyplot as plt
from matplotlib.offsetbox import TextArea, DrawingArea, OffsetImage, \
AnnotationBbox
from matplotlib.cbook import get_sample_data
import numpy as np
if 1:
fig = plt.gcf()
fig.clf()
ax = plt.subplot(111)
offsetbox = TextArea("Test 1", minimumdescent=False)
xy = (0.5, 0.7)
ax.plot(xy[0], xy[1], ".r")
ab = AnnotationBbox(offsetbox, xy,
xybox=(-20, 40),
xycoords='data',
boxcoords="offset points",
arrowprops=dict(arrowstyle="->"))
ax.add_artist(ab)
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)
from matplotlib.patches import Circle
da = DrawingArea(20, 20, 0, 0)
p = Circle((10, 10), 10)
da.add_artist(p)
xy = [0.3, 0.55]
ab = AnnotationBbox(da, xy,
xybox=(1.02, xy[1]),
xycoords='data',
boxcoords=("axes fraction", "data"),
box_alignment=(0.,0.5),
arrowprops=dict(arrowstyle="->"))
#arrowprops=None)
ax.add_artist(ab)
arr = np.arange(100).reshape((10,10))
im = OffsetImage(arr, zoom=2)
ab = AnnotationBbox(im, xy,
xybox=(-50., 50.),
xycoords='data',
boxcoords="offset points",
pad=0.3,
arrowprops=dict(arrowstyle="->"))
#arrowprops=None)
ax.add_artist(ab)
# another image
from matplotlib._png import read_png
fn = get_sample_data("lena.png", asfileobj=False)
arr_lena = read_png(fn)
imagebox = OffsetImage(arr_lena, zoom=0.2)
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)
ax.set_xlim(0, 1)
ax.set_ylim(0, 1)
plt.draw()
plt.show()
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