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Sorry, here's another one without a simplified test case. I will try and get to that tomorrow. For this, you will need matplotlib 1.4.2 and the development version of ObsPy. Then run Test case is below.obspy3-runtests -d obspy.station.tests.test_station.StationTest.test_response_plot.
With mpl 1.3.1, the plot is as so:
With mpl 1.4.2 (and master), the plot is as so:
You can see that the arrows are thinner and shifted a bit.
I believe the relevant bit of code is the following, but I will try to simplify it later:
trans_above = blended_transform_factory(ax1.transData,
ax1.transAxes)
trans_right = blended_transform_factory(ax1.transAxes,
ax1.transData)
arrowprops = dict(
arrowstyle="wedge,tail_width=1.4,shrink_factor=0.8", fc=color)
bbox = dict(boxstyle="round", fc="w")
ax1.annotate("%.1g" % self.instrument_sensitivity.frequency,
(self.instrument_sensitivity.frequency, 1.0),
xytext=(self.instrument_sensitivity.frequency, 1.1),
xycoords=trans_above, textcoords=trans_above,
ha="center", va="bottom",
arrowprops=arrowprops, bbox=bbox)
ax1.annotate("%.1e" % self.instrument_sensitivity.value,
(1.0, self.instrument_sensitivity.value),
xytext=(1.05, self.instrument_sensitivity.value),
xycoords=trans_right, textcoords=trans_right,
ha="left", va="center",
arrowprops=arrowprops, bbox=bbox)
I did a bisect and the bad commit was:
3363b125715724ad89d4b33cbddb23e31e7277d5 is the first bad commit
commit 3363b125715724ad89d4b33cbddb23e31e7277d5
Author: Thomas A Caswell <tcaswell@gmail.com>
Date: Tue Aug 27 17:07:58 2013 -0500
re factored `_AnnoationBase` to push keeping track of there the
secondary object is to the sub-classes.
Added properties to maintain back-compatibility
added properties to replace xytext and textcoords (xyann, anncoords)
properly deprecated `textcoord` and `xytext` in favor of `anncoords`
and `xyann`.
:040000 040000 f17d8e1a70232471435f96b1faa8550bc697ec32 567d4a0a86bb3d1fb7ec55dc0fa98e86c1dec71a M doc
:040000 040000 34339e9d0d9f49477908fc3c3227b1b7b55735b4 4dc225e1358d422aa86f9361672c36e127955bee M lib