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Backport PR #13469 on branch v3.0.2-doc (Add explanatory comments for text rotation example) #13472

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merged 1 commit into from
Feb 20, 2019
Merged

Backport PR #13469 on branch v3.0.2-doc (Add explanatory comments for text rotation example) #13472

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1 change: 1 addition & 0 deletions .flake8
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Original file line number Diff line number Diff line change
Expand Up @@ -253,6 +253,7 @@ per-file-ignores =
examples/subplots_axes_and_figures/zoom_inset_axes.py: E402
examples/tests/backend_driver_sgskip.py: E402, E501
examples/text_labels_and_annotations/annotation_demo.py: E501
examples/text_labels_and_annotations/demo_text_rotation_mode.py: E402
examples/text_labels_and_annotations/custom_legends.py: E402
examples/text_labels_and_annotations/font_family_rc_sgskip.py: E402
examples/text_labels_and_annotations/font_file.py: E402
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28 changes: 26 additions & 2 deletions examples/text_labels_and_annotations/demo_text_rotation_mode.py
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@@ -1,8 +1,14 @@
"""
=======================
"""=======================
Demo Text Rotation Mode
=======================

The axes' method `~.axes.Axes.text` takes an argument ``rotation_mode`` that
controls the alignment and rotation of the text. If ``rotation_mode`` is
``None`` or ``default`` the text will first be rotated and then aligned
according to the horizontal and vertical alignments (``ha`` and ``va`` in the
example). If ``rotation_mode`` is ``anchor`` the text is aligned before
rotation.

"""
from mpl_toolkits.axes_grid1.axes_grid import ImageGrid

Expand All @@ -19,18 +25,23 @@ def test_rotation_mode(fig, mode, subplot_location):
for ha, ax in zip(ha_list, grid.axes_row[-1]):
ax.axis["bottom"].label.set_text(ha)

# create a grid of axes to display text on.
grid.axes_row[0][1].set_title(mode, size="large")

for va, ax in zip(va_list, grid.axes_column[0]):
ax.axis["left"].label.set_text(va)

# use a different horizontal and vertical alignment for the text in each
# axes.
i = 0
for va in va_list:
for ha in ha_list:
ax = grid[i]
for axis in ax.axis.values():
axis.toggle(ticks=False, ticklabels=False)

# add text to the axes. Set the rotation_mode, horizontal
# alignment (ha) and vertical alignment (va).
ax.text(0.5, 0.5, "Tpg",
size="large", rotation=40,
bbox=dict(boxstyle="square,pad=0.",
Expand All @@ -50,3 +61,16 @@ def test_rotation_mode(fig, mode, subplot_location):
test_rotation_mode(fig, "default", 121)
test_rotation_mode(fig, "anchor", 122)
plt.show()


#############################################################################
#
# ------------
#
# References
# """"""""""
#
# The use of the following method is shown in this example:

import matplotlib
matplotlib.axes.Axes.text