From 687a6ef72ffbf2f89fecf26368541f7fa4b7b3a2 Mon Sep 17 00:00:00 2001
From: Jae-Joon Lee <lee.j.joon@gmail.com>
Date: Wed, 29 Aug 2012 21:50:44 +0900
Subject: [PATCH 1/2] Subplot.twin[xy] returns a Subplot instance
---
lib/matplotlib/axes.py | 21 +++++++++++++++++----
1 file changed, 17 insertions(+), 4 deletions(-)
diff --git a/lib/matplotlib/axes.py b/lib/matplotlib/axes.py
index 71bf4ca86a11..d28027c8c676 100644
--- a/lib/matplotlib/axes.py
+++ b/lib/matplotlib/axes.py
@@ -7660,6 +7660,14 @@ def table(self, **kwargs):
"""
return mtable.table(self, **kwargs)
+ def _make_twin_axes(self, *kl, **kwargs):
+ """
+ make a twinx axes of self. This is used for twinx and twiny.
+ """
+ ax2 = self.figure.add_axes(self.get_position(True), *kl, **kwargs)
+ return ax2
+
+
def twinx(self):
"""
Call signature::
@@ -7676,8 +7684,7 @@ def twinx(self):
events are only called for the artists in the top-most axes.
"""
- ax2 = self.figure.add_axes(self.get_position(True), sharex=self,
- frameon=False)
+ ax2 = self._make_twin_axes(sharex=self, frameon=False)
ax2.yaxis.tick_right()
ax2.yaxis.set_label_position('right')
ax2.yaxis.set_offset_position('right')
@@ -7701,8 +7708,7 @@ def twiny(self):
events are only called for the artists in the top-most axes.
"""
- ax2 = self.figure.add_axes(self.get_position(True), sharey=self,
- frameon=False)
+ ax2 = self._make_twin_axes(sharey=self, frameon=False)
ax2.xaxis.tick_top()
ax2.xaxis.set_label_position('top')
self.xaxis.tick_bottom()
@@ -8874,6 +8880,13 @@ def label_outer(self):
label.set_visible(firstcol)
+ def _make_twin_axes(self, *kl, **kwargs):
+ """
+ make a twinx axes of self. This is used for twinx and twiny.
+ """
+ ax2 = self.figure.add_subplot(self.get_subplotspec(), *kl, **kwargs)
+ return ax2
+
_subplot_classes = {}
def subplot_class_factory(axes_class=None):
From 14e34cca43005de494bf7cb93a06ab0b5997d99e Mon Sep 17 00:00:00 2001
From: Jae-Joon Lee <lee.j.joon@gmail.com>
Date: Wed, 29 Aug 2012 23:06:49 +0900
Subject: [PATCH 2/2] updated api_changes.rst to reflect the return value
change of twinx and twiny
---
doc/api/api_changes.rst | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/doc/api/api_changes.rst b/doc/api/api_changes.rst
index 3f3cd30f240a..64e86d03ab21 100644
--- a/doc/api/api_changes.rst
+++ b/doc/api/api_changes.rst
@@ -120,6 +120,10 @@ Changes in 1.2.x
``ax.transData + ax.transAxes.inverted()`` (depth is a new concept, but had it existed
it would return 4 for this example).
+* ``twinx`` and ``twiny`` now returns an instance of SubplotBase if
+ parent axes is an instance of SubplotBase.
+
+
Changes in 1.1.x
================