Note
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When decorating axes with text boxes, two useful tricks are to place
the text in axes coordinates (see Transformations Tutorial), so the
text doesn't move around with changes in x or y limits. You can also
use the bbox
property of text to surround the text with a
Patch
instance -- the bbox
keyword
argument takes a dictionary with keys that are Patch properties.
Traceback (most recent call last):
File "/build/matplotlib-xz4j8t/matplotlib-3.1.2/examples/recipes/placing_text_boxes.py", line 1
Placing text boxes
^
SyntaxError: invalid syntax
Placing text boxes
==================
When decorating axes with text boxes, two useful tricks are to place
the text in axes coordinates (see :doc:`/tutorials/advanced/transforms_tutorial`), so the
text doesn't move around with changes in x or y limits. You can also
use the ``bbox`` property of text to surround the text with a
:class:`~matplotlib.patches.Patch` instance -- the ``bbox`` keyword
argument takes a dictionary with keys that are Patch properties.
"""
import numpy as np
import matplotlib.pyplot as plt
np.random.seed(19680801)
fig, ax = plt.subplots()
x = 30*np.random.randn(10000)
mu = x.mean()
median = np.median(x)
sigma = x.std()
textstr = '\n'.join((
r'$\mu=%.2f$' % (mu, ),
r'$\mathrm{median}=%.2f$' % (median, ),
r'$\sigma=%.2f$' % (sigma, )))
ax.hist(x, 50)
# these are matplotlib.patch.Patch properties
props = dict(boxstyle='round', facecolor='wheat', alpha=0.5)
# place a text box in upper left in axes coords
ax.text(0.05, 0.95, textstr, transform=ax.transAxes, fontsize=14,
verticalalignment='top', bbox=props)
plt.show()
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