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ENH: Add figure.titleloc rcParam for suptitle horizontal alignment #31099

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ENH: Add figure.titleloc rcParam for suptitle horizontal alignment #31099

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5 changes: 3 additions & 2 deletions lib/matplotlib/figure.py
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Original file line number Diff line number Diff line change
Expand Up @@ -387,13 +387,14 @@ def _remove_suplabel(self, label, name):
self.texts.remove(label)
setattr(self, name, None)

@_docstring.Substitution(x0=0.5, y0=0.98, name='super title', ha='center',
@_docstring.Substitution(x0=0.5, y0=0.98, name='super title',
ha='center (default) or rcParams["figure.titleloc"]',
va='top', rc='title')
@_docstring.copy(_suplabels)
def suptitle(self, t, **kwargs):
# docstring from _suplabels...
info = {'name': '_suptitle', 'x0': 0.5, 'y0': 0.98,
'ha': 'center', 'va': 'top', 'rotation': 0,
'ha': mpl.rcParams['figure.titleloc'], 'va': 'top', 'rotation': 0,
'size': 'figure.titlesize', 'weight': 'figure.titleweight'}
return self._suplabels(t, info, **kwargs)

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1 change: 1 addition & 0 deletions lib/matplotlib/mpl-data/matplotlibrc
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Expand Up @@ -589,6 +589,7 @@
## See https://matplotlib.org/stable/api/figure_api.html#matplotlib.figure.Figure
#figure.titlesize: large # size of the figure title (``Figure.suptitle()``)
#figure.titleweight: normal # weight of the figure title
#figure.titleloc: center # horizontal location of the figure title ('center', 'left', 'right')
#figure.labelsize: large # size of the figure label (``Figure.sup[x|y]label()``)
#figure.labelweight: normal # weight of the figure label
#figure.figsize: 6.4, 4.8 # figure size in inches
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1 change: 1 addition & 0 deletions lib/matplotlib/rcsetup.py
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Expand Up @@ -1306,6 +1306,7 @@ def _convert_validator_spec(key, conv):
# figure title
"figure.titlesize": validate_fontsize,
"figure.titleweight": validate_fontweight,
"figure.titleloc": ["center", "left", "right"],

# figure labels
"figure.labelsize": validate_fontsize,
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