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MNT: Add test for aitoff-projection #15092

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Merged
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Aug 22, 2019
Merged

MNT: Add test for aitoff-projection #15092

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Binary file added lib/matplotlib/tests/baseline_images/test_axes/aitoff_proj.png
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17 changes: 17 additions & 0 deletions lib/matplotlib/tests/test_axes.py
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Original file line number Diff line number Diff line change
Expand Up @@ -797,6 +797,23 @@ def test_polar_rlim_zero():
assert ax.get_ylim()[0] == 0


@image_comparison(['aitoff_proj'], extensions=["png"],
remove_text=True, style='mpl20')
def test_aitoff_proj():
"""
Test aitoff projection ref.:
https://github.com/matplotlib/matplotlib/pull/14451
"""
x = np.linspace(-np.pi, np.pi, 20)
y = np.linspace(-np.pi / 2, np.pi / 2, 20)
X, Y = np.meshgrid(x, y)

fig, ax = plt.subplots(figsize=(8, 4.2),
subplot_kw=dict(projection="aitoff"))
ax.grid()
ax.plot(X.flat, Y.flat, 'o', markersize=4)


@image_comparison(['axvspan_epoch'])
def test_axvspan_epoch():
from datetime import datetime
Expand Down