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Super short lines with arrows do not act well #4911

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Merged
merged 1 commit into from
Aug 14, 2015
Merged

Super short lines with arrows do not act well #4911

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12 changes: 8 additions & 4 deletions lib/matplotlib/patches.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3308,7 +3308,9 @@ def transmute(self, path, mutation_size, linewidth):
x0, y0 = path.vertices[0]
x1, y1 = path.vertices[1]

if self.beginarrow:
# If there is no room for an arrow and a line, then skip the arrow
hasBeginArrow = self.beginArrow and not ((x0==x1) and (y0==y1))
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spelling error, should be lower case beginarrow

Can you use has_begin_arrow for the local variable instead of camel case please?

Probably the same thing with endarrow

if hasBeginArrow:
verticesA, codesA, ddxA, ddyA = \
self._get_arrow_wedge(x1, y1, x0, y0,
head_dist, cos_t, sin_t,
Expand All @@ -3321,7 +3323,9 @@ def transmute(self, path, mutation_size, linewidth):
x2, y2 = path.vertices[-2]
x3, y3 = path.vertices[-1]

if self.endarrow:
# If there is no room for an arrow and a line, then skip the arrow
hasEndArrow = self.endArrow and not ((x2==x3) and (y2==y3))
if hasEndArrow:
verticesB, codesB, ddxB, ddyB = \
self._get_arrow_wedge(x2, y2, x3, y3,
head_dist, cos_t, sin_t,
Expand All @@ -3338,7 +3342,7 @@ def transmute(self, path, mutation_size, linewidth):
path.codes)]
_fillable = [False]

if self.beginarrow:
if hasBeginArrow:
if self.fillbegin:
p = np.concatenate([verticesA, [verticesA[0],
verticesA[0]], ])
Expand All @@ -3349,7 +3353,7 @@ def transmute(self, path, mutation_size, linewidth):
_path.append(Path(verticesA, codesA))
_fillable.append(False)

if self.endarrow:
if hasEndArrow:
if self.fillend:
_fillable.append(True)
p = np.concatenate([verticesB, [verticesB[0],
Expand Down