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Added legend.framealpha to rcParams, as mentioned in axes.legend docstring #3369

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Merged
merged 3 commits into from
Sep 18, 2014
Merged

Added legend.framealpha to rcParams, as mentioned in axes.legend docstring #3369

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853c26a
Added legend.framealpha to rcParams, as alluded to by axes.legend doc…
e-q Aug 14, 2014
0b4b6fa
Added legend.framealpha line to template rcparam file
e-q Aug 15, 2014
b148a18
whats_new statement added
e-q Aug 15, 2014
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6 changes: 6 additions & 0 deletions doc/users/whats_new/rcparams.rst
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@@ -0,0 +1,6 @@
Added "legend.framealpha" key to rcParams
```````````````````````````

Added a key and the corresponding logic to control the default transparency of
legend frames. This feature was written into the docstring of axes.legend(),
but not yet implemented.
4 changes: 3 additions & 1 deletion lib/matplotlib/legend.py
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Expand Up @@ -367,7 +367,9 @@ def __init__(self, parent, handles, labels,
# init with null renderer
self._init_legend_box(handles, labels)

if framealpha is not None:
if framealpha is None:
self.get_frame().set_alpha(rcParams["legend.framealpha"])
else:
self.get_frame().set_alpha(framealpha)

self._loc = loc
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3 changes: 2 additions & 1 deletion lib/matplotlib/rcsetup.py
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Expand Up @@ -632,7 +632,8 @@ def __call__(self, s):
'legend.shadow': [False, validate_bool],
# whether or not to draw a frame around legend
'legend.frameon': [True, validate_bool],

# alpha value of the legend frame
'legend.framealpha': [1.0, validate_float],

## the following dimensions are in fraction of the font size
'legend.borderpad': [0.4, validate_float], # units are fontsize
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1 change: 1 addition & 0 deletions matplotlibrc.template
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Expand Up @@ -316,6 +316,7 @@ backend : %(backend)s
#legend.columnspacing : 2. # the border between the axes and legend edge in fraction of fontsize
#legend.shadow : False
#legend.frameon : True # whether or not to draw a frame around legend
#legend.framealpha : 1.0 # opacity of of legend frame
#legend.scatterpoints : 3 # number of scatter points

### FIGURE
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