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BUG : errorbar does not respect lines.linestyle rcparam #2738

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BUG : errorbar does not respect lines.linestyle rcparam #2738

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3 changes: 3 additions & 0 deletions CHANGELOG
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Original file line number Diff line number Diff line change
@@ -1,3 +1,6 @@
2014-01-15 changed default value of `fmt` kwarg of `errorbar` from '-' -> '' so
that `errorbar` will respect `lines.linestyle` for drawing the line.

2013-05-18 Added support for arbitrary rasterization resolutions to the
SVG backend. Previously the resolution was hard coded to 72
dpi. Now the backend class takes a image_dpi argument for
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10 changes: 10 additions & 0 deletions doc/api/api_changes.rst
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Expand Up @@ -17,6 +17,16 @@ For new features that were added to matplotlib, please see
Changes in 1.3.x
================

* changed default value of `fmt` kwarg of `errorbar` from `'-'` to
`''` so that `errorbar` will respect `lines.linestyle` for drawing
the line. I think the only scenario where this will break reverse
compatibility is cases where users have set a non-default value for
`lines.linestyle`, but do not want the lines drawn by `errorbar` to
respect that. I think that this use case is broken because
`lines.linestyle` should be respected by plotting functions which
draw lines.


Changes in 1.3.1
----------------

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3 changes: 1 addition & 2 deletions lib/matplotlib/axes.py
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Expand Up @@ -5484,7 +5484,7 @@ def pie(self, x, explode=None, labels=None, colors=None,

@docstring.dedent_interpd
def errorbar(self, x, y, yerr=None, xerr=None,
fmt='-', ecolor=None, elinewidth=None, capsize=3,
fmt='', ecolor=None, elinewidth=None, capsize=3,
barsabove=False, lolims=False, uplims=False,
xlolims=False, xuplims=False, errorevery=1, capthick=None,
**kwargs):
Expand Down Expand Up @@ -5586,7 +5586,6 @@ def errorbar(self, x, y, yerr=None, xerr=None,
.. plot:: mpl_examples/statistics/errorbar_demo.py

"""

if errorevery < 1:
raise ValueError(
'errorevery has to be a strictly positive integer')
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2 changes: 1 addition & 1 deletion lib/matplotlib/pyplot.py
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Expand Up @@ -2679,7 +2679,7 @@ def csd(x, y, NFFT=256, Fs=2, Fc=0, detrend=mlab.detrend_none,
# This function was autogenerated by boilerplate.py. Do not edit as
# changes will be lost
@_autogen_docstring(Axes.errorbar)
def errorbar(x, y, yerr=None, xerr=None, fmt='-', ecolor=None, elinewidth=None,
def errorbar(x, y, yerr=None, xerr=None, fmt='', ecolor=None, elinewidth=None,
capsize=3, barsabove=False, lolims=False, uplims=False,
xlolims=False, xuplims=False, errorevery=1, capthick=None,
hold=None, **kwargs):
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