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MAINT Backporting of #7995. #8130

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Merged
QuLogic merged 1 commit into from
Feb 22, 2017
Merged

MAINT Backporting of #7995. #8130

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7 changes: 7 additions & 0 deletions doc/api/api_changes/2017-01-30-AL_negative_bar_height_width.rst
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Original file line number Diff line number Diff line change
@@ -0,0 +1,7 @@
`bar` now returns rectangles of negative height or width if the corresponding input is negative
```````````````````````````````````````````````````````````````````````````````````````````````

`plt.bar` used to normalize the coordinates of the rectangles that it created,
to keep their height and width positives, even if the corresponding input was
negative. This normalization has been removed to permit a simpler computation
of the correct `sticky_edges` to use.
6 changes: 0 additions & 6 deletions lib/matplotlib/axes/_axes.py
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Expand Up @@ -2112,12 +2112,6 @@ def make_iterable(x):

args = zip(left, bottom, width, height, color, edgecolor, linewidth)
for l, b, w, h, c, e, lw in args:
if h < 0:
b += h
h = abs(h)
if w < 0:
l += w
w = abs(w)
r = mpatches.Rectangle(
xy=(l, b), width=w, height=h,
facecolor=c,
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12 changes: 0 additions & 12 deletions lib/matplotlib/tests/test_axes.py
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Expand Up @@ -4358,18 +4358,6 @@ def test_rc_major_minor_tick():
assert yax._minor_tick_kw['tick2On'] == True


@cleanup
def test_bar_negative_width():
fig, ax = plt.subplots()
res = ax.bar(range(1, 5), range(1, 5), width=-1)
assert_equal(len(res), 4)
for indx, b in enumerate(res):
assert_equal(b._x, indx)
assert_equal(b._width, 1)
assert_equal(b._height, indx + 1)


@cleanup
def test_square_plot():
x = np.arange(4)
y = np.array([1., 3., 5., 7.])
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8 changes: 8 additions & 0 deletions lib/matplotlib/tests/test_patches.py
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Expand Up @@ -81,6 +81,14 @@ def test_rotate_rect():
assert_almost_equal(rect1.get_verts(), new_verts)


def test_negative_rect():
# These two rectangles have the same vertices, but starting from a
# different point. (We also drop the last vertex, which is a duplicate.)
pos_vertices = Rectangle((-3, -2), 3, 2).get_verts()[:-1]
neg_vertices = Rectangle((0, 0), -3, -2).get_verts()[:-1]
assert_array_equal(np.roll(neg_vertices, 2, 0), pos_vertices)


@image_comparison(baseline_images=['clip_to_bbox'])
def test_clip_to_bbox():
fig = plt.figure()
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