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Backport PR #29621 on branch v3.10.0-doc (DOC: Cleanup text rotation in data coordinates example) #29624

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Merged
merged 1 commit into from
Feb 14, 2025
Merged

Backport PR #29621 on branch v3.10.0-doc (DOC: Cleanup text rotation in data coordinates example) #29624

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26 changes: 8 additions & 18 deletions galleries/examples/text_labels_and_annotations/text_rotation_relative_to_line.py
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Original file line number Diff line number Diff line change
Expand Up @@ -15,28 +15,18 @@
"""

import matplotlib.pyplot as plt
import numpy as np

fig, ax = plt.subplots()

# Plot diagonal line (45 degrees)
h = ax.plot(range(0, 10), range(0, 10))

# set limits so that it no longer looks on screen to be 45 degrees
ax.set_xlim([-10, 20])

# Locations to plot text
l1 = np.array((1, 1))
l2 = np.array((5, 5))

# Rotate angle
angle = 45
# Plot diagonal line (45 degrees in data coordinates)
ax.plot(range(0, 8), range(0, 8))
ax.set_xlim([-10, 10])

# Plot text
th1 = ax.text(*l1, 'text not rotated correctly', fontsize=16,
rotation=angle, rotation_mode='anchor')
th2 = ax.text(*l2, 'text rotated correctly', fontsize=16,
rotation=angle, rotation_mode='anchor',
transform_rotates_text=True)
ax.text(-8, 0, 'text 45° in screen coordinates', fontsize=18,
rotation=45, rotation_mode='anchor')
ax.text(0, 0, 'text 45° in data coordinates', fontsize=18,
rotation=45, rotation_mode='anchor',
transform_rotates_text=True)

plt.show()
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