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Fix imshow edges #8300

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Fix imshow edges #8300

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80909e5
MNT: simplify creation of output array
tacaswell Mar 14, 2017
68ad0c4
TST: minor tweaks to tests
tacaswell Mar 15, 2017
44b4097
API: tweak how masking from agg alpha channel is handeled
tacaswell Mar 15, 2017
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MNT: simplify creation of output array
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@tacaswell
tacaswell committed Mar 14, 2017
commit 80909e5b7e5ff37218e99169fffeb321395e11cf
6 changes: 2 additions & 4 deletions lib/matplotlib/image.py
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Original file line number Diff line number Diff line change
Expand Up @@ -390,8 +390,6 @@ def _make_image(self, A, in_bbox, out_bbox, clip_bbox, magnification=1.0,
mask = A.mask
# ~A.mask # masked data
A = rgba
output = np.zeros((out_height, out_width, 4),
dtype=A.dtype)
alpha = 1.0
created_rgba_mask = True
else:
Expand All @@ -414,12 +412,12 @@ def _make_image(self, A, in_bbox, out_bbox, clip_bbox, magnification=1.0,
elif A.shape[2] != 4:
raise ValueError("Invalid dimensions, got %s" % (A.shape,))

output = np.zeros((out_height, out_width, 4), dtype=A.dtype)

alpha = self.get_alpha()
if alpha is None:
alpha = 1.0

output = np.zeros((out_height, out_width, 4), dtype=A.dtype)

_image.resample(
A, output, t, _interpd_[self.get_interpolation()],
self.get_resample(), alpha,
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