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Fix slider widget polygon by cgohlke · Pull Request #576 · matplotlib/matplotlib · GitHub

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Fix slider widget polygon #576

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Merged
mdboom merged 3 commits into from
Dec 14, 2011
Conversation 1 Commits 3 Checks 0 Files changed
Merged

Fix slider widget polygon #576

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115275a
Fix Slider.set_val to work with closed polygon
cgohlke Nov 10, 2011
9fc21ef
Fix: close polygon if requested, even if input array is already closed
cgohlke Nov 10, 2011
7abaeb4
Fix: repeated calls to Polygon.set_closed() might extend/truncate Pol…
cgohlke Nov 11, 2011
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7 changes: 6 additions & 1 deletion lib/matplotlib/patches.py
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Original file line number Diff line number Diff line change
Expand Up @@ -768,7 +768,10 @@ def __init__(self, xy, closed=True, **kwargs):
Patch.__init__(self, **kwargs)
xy = np.asarray(xy, np.float_)
self._path = Path(xy)
self.set_closed(closed)
self._closed = closed
if closed and len(xy):
xy = np.concatenate([xy, [xy[0]]])
self._set_xy(xy)

def get_path(self):
return self._path
Expand All @@ -777,6 +780,8 @@ def get_closed(self):
return self._closed

def set_closed(self, closed):
if self._closed == bool(closed):
return
self._closed = closed
xy = self._get_xy()
if closed:
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4 changes: 2 additions & 2 deletions lib/matplotlib/widgets.py
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Original file line number Diff line number Diff line change
Expand Up @@ -317,8 +317,8 @@ def _update(self, event):

def set_val(self, val):
xy = self.poly.xy
xy[-1] = val, 0
xy[-2] = val, 1
xy[2] = val, 1
xy[3] = val, 0
self.poly.xy = xy
self.valtext.set_text(self.valfmt%val)
if self.drawon: self.ax.figure.canvas.draw()
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