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HostAxesBase now adds appropriate _remove_method to its parasite axes.#4898

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7 changes: 7 additions & 0 deletionsdoc/users/whats_new.rst
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Expand Up@@ -742,6 +742,13 @@ way as setting `CC` or `CXX` before building. An example follows.

export PKG_CONFIG=x86_64-pc-linux-gnu-pkg-config

AxesGrid toolkit
----------------

Twins of host axes (see `~mpl_toolkits.axes_grid1.host_subplot()` and its
``twin*`` methods) now have ``remove()`` functionality. Some visibility changes
made by the ``twin*`` methods were modified to faciliate this feature.

.. _whats-new-1-4:

new in matplotlib-1.4
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72 changes: 24 additions & 48 deletionslib/mpl_toolkits/axes_grid1/parasite_axes.py
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Expand Up@@ -255,6 +255,7 @@ def get_aux_axes(self, tr, viewlim_mode="equal", axes_class=None):
# note that ax2.transData == tr + ax1.transData
# Anthing you draw in ax2 will match the ticks and grids of ax1.
self.parasites.append(ax2)
ax2._remove_method = lambda h: self.parasites.remove(h)
return ax2


Expand DownExpand Up@@ -326,17 +327,16 @@ def twinx(self, axes_class=None):
ax2 = parasite_axes_class(self, sharex=self, frameon=False)
self.parasites.append(ax2)

# for normal axes

self.axis["right"].toggle(all=False)
self.axis["right"].line.set_visible(True)
self.axis["right"].set_visible(False)

ax2.axis["right"].set_visible(True)
ax2.axis["left","top", "bottom"].toggle(all=False)
ax2.axis["left","top", "bottom"].line.set_visible(False)
ax2.axis["left", "top", "bottom"].set_visible(False)

ax2.axis["right"].toggle(all=True)
ax2.axis["right"].line.set_visible(False)
def _remove_method(h):
self.parasites.remove(h)
self.axis["right"].set_visible(True)
self.axis["right"].toggle(ticklabels=False, label=False)
ax2._remove_method = _remove_method

return ax2

Expand All@@ -360,15 +360,16 @@ def twiny(self, axes_class=None):
ax2 = parasite_axes_class(self, sharey=self, frameon=False)
self.parasites.append(ax2)

self.axis["top"].toggle(all=False)
self.axis["top"].line.set_visible(True)
self.axis["top"].set_visible(False)

ax2.axis["top"].set_visible(True)
ax2.axis["left","right", "bottom"].toggle(all=False)
ax2.axis["left","right", "bottom"].line.set_visible(False)
ax2.axis["left", "right", "bottom"].set_visible(False)

ax2.axis["top"].toggle(all=True)
ax2.axis["top"].line.set_visible(False)
def _remove_method(h):
self.parasites.remove(h)
self.axis["top"].set_visible(True)
self.axis["top"].toggle(ticklabels=False, label=False)
ax2._remove_method = _remove_method

return ax2

Expand DownExpand Up@@ -399,43 +400,18 @@ def twin(self, aux_trans=None, axes_class=None):
viewlim_mode="transform",
)
self.parasites.append(ax2)
ax2._remove_method = lambda h: self.parasites.remove(h)

self.axis["top", "right"].set_visible(False)

# for normal axes
#self.yaxis.tick_left()
#self.xaxis.tick_bottom()
#ax2.yaxis.tick_right()
#ax2.xaxis.set_visible(True)
#ax2.yaxis.set_visible(True)

#ax2.yaxis.set_label_position('right')
##ax2.xaxis.tick_top()
#ax2.xaxis.set_label_position('top')


self.axis["top","right"].toggle(all=False)
self.axis["top","right"].line.set_visible(False)
#self.axis["left","bottom"].toggle(label=True)

ax2.axis["top","right"].set_visible(True)

ax2.axis["bottom","left"].toggle(all=False)
ax2.axis["bottom","left"].line.set_visible(False)

ax2.axis["top","right"].toggle(all=True)
ax2.axis["top","right"].line.set_visible(True)


# # for axisline axes
# self._axislines["right"].set_visible(False)
# self._axislines["top"].set_visible(False)
# ax2._axislines["left"].set_visible(False)
# ax2._axislines["bottom"].set_visible(False)
ax2.axis["top", "right"].set_visible(True)
ax2.axis["left", "bottom"].set_visible(False)

# ax2._axislines["right"].set_visible(True)
# ax2._axislines["top"].set_visible(True)
# ax2._axislines["right"].major_ticklabels.set_visible(True)
# ax2._axislines["top"].major_ticklabels.set_visible(True)
def _remove_method(h):
self.parasites.remove(h)
self.axis["top", "right"].set_visible(True)
self.axis["top", "right"].toggle(ticklabels=False, label=False)
ax2._remove_method = _remove_method

return ax2

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34 changes: 33 additions & 1 deletionlib/mpl_toolkits/tests/test_axes_grid1.py
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Expand Up@@ -3,9 +3,11 @@

from matplotlib.externals import six

import matplotlib
import matplotlib.pyplot as plt
from matplotlib.testing.decorators import image_comparison
from mpl_toolkits.axes_grid1 import make_axes_locatable
from mpl_toolkits.axes_grid1 import make_axes_locatable, host_subplot
from itertools import product
import numpy as np


Expand DownExpand Up@@ -50,6 +52,36 @@ def test_divider_append_axes():
axHistleft.yaxis.set_ticklabels(())
axHistright.yaxis.set_ticklabels(())


@image_comparison(baseline_images=['twin_axes_empty_and_removed'],
extensions=["png"])
def test_twin_axes_empty_and_removed():
# Purely cosmetic font changes (avoid overlap)
matplotlib.rcParams.update({"font.size": 8})
matplotlib.rcParams.update({"xtick.labelsize": 8})
matplotlib.rcParams.update({"ytick.labelsize": 8})
generators = [ "twinx", "twiny", "twin" ]
modifiers = [ "", "host invisible", "twin removed", "twin invisible",
"twin removed\nhost invisible" ]
# Unmodified host subplot at the beginning for reference
h = host_subplot(len(modifiers)+1, len(generators), 2)
h.text(0.5, 0.5, "host_subplot", horizontalalignment="center",
verticalalignment="center")
# Host subplots with various modifications (twin*, visibility) applied
for i, (mod, gen) in enumerate(product(modifiers, generators),
len(generators)+1):
h = host_subplot(len(modifiers)+1, len(generators), i)
t = getattr(h, gen)()
if "twin invisible" in mod:
t.axis[:].set_visible(False)
if "twin removed" in mod:
t.remove()
if "host invisible" in mod:
h.axis[:].set_visible(False)
h.text(0.5, 0.5, gen + ("\n" + mod if mod else ""),
horizontalalignment="center", verticalalignment="center")
plt.subplots_adjust(wspace=0.5, hspace=1)

if __name__ == '__main__':
import nose
nose.runmodule(argv=['-s', '--with-doctest'], exit=False)
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