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Fix rectangular patches to be properly transformed on polar axes #8539

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Merged
dstansby merged 9 commits into from Apr 28, 2017
Merged

Fix rectangular patches to be properly transformed on polar axes #8539

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2430cc4
fixed polar bug
Apr 26, 2017
4a8c60e
base line image and test case for polar projection
Apr 26, 2017
48afb3c
image for test case polar projection bug
Apr 26, 2017
fbe6bcf
putting polar projection test case into the right file
Apr 27, 2017
8469cf9
putting polar projection test cases into appropriate files and folders
Apr 27, 2017
9a3952e
fixed test case to meet pep8
Apr 27, 2017
0247871
Delete test_proj_on_rect_patch.py
Apr 27, 2017
feb5b87
Update test_patches.py
Apr 27, 2017
8dae4e1
Update test_patches.py
Apr 27, 2017
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2 changes: 2 additions & 0 deletions lib/matplotlib/axes/_base.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1856,6 +1856,8 @@ def add_patch(self, p):
if p.get_clip_path() is None:
p.set_clip_path(self.patch)
self._update_patch_limits(p)
if self.name != 'rectilinear':
p.get_path()._interpolation_steps = max(p.get_path()._interpolation_steps, 100)
self.patches.append(p)
p._remove_method = lambda h: self.patches.remove(h)
return p
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Binary file added lib/matplotlib/tests/baseline_images/test_patches/polar_proj.png
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14 changes: 14 additions & 0 deletions lib/matplotlib/tests/test_patches.py
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Expand Up @@ -337,3 +337,17 @@ def test_multi_color_hatch():
with mstyle.context({'hatch.color': 'C{}'.format(i)}):
r = Rectangle((i-.8/2, 5), .8, 1, hatch='//', fc='none')
ax.add_patch(r)


@image_comparison(baseline_images=['polar_proj'], extensions=['png'])
def test_adding_rectangle_patch_with_polar_projection():
fig = plt.figure()
ax = fig.add_subplot(111, projection='polar')

# add quadrant as example
ax.add_patch(
mpatches.Rectangle(
(0, 1), width=np.pi * 0.5, height=0.5
)
)
ax.set_rmax(2)
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