SF.net SVN: matplotlib:[6944] trunk/matplotlib

[<ef...@us...>]

Revision: 6944
          http://matplotlib.svn.sourceforge.net/matplotlib/?rev=6944&view=rev
Author:   efiring
Date:     2009-02-28 18:51:37 +0000 (Sat, 28 Feb 2009)

Log Message:
-----------
Prevent double-rendering of shared axis in twinx, twiny

Modified Paths:
--------------
    trunk/matplotlib/CHANGELOG
    trunk/matplotlib/lib/matplotlib/axes.py

Modified: trunk/matplotlib/CHANGELOG
===================================================================
--- trunk/matplotlib/CHANGELOG	2009-02-28 07:46:14 UTC (rev 6943)
+++ trunk/matplotlib/CHANGELOG	2009-02-28 18:51:37 UTC (rev 6944)
@@ -1,3 +1,5 @@
+2009-02-28 Prevent double-rendering of shared axis in twinx, twiny - EF
+
 2009-02-26 Add optional bbox_to_anchor argument for legend class - JJL
 
 2009-02-26 Support image clipping in pdf backend. - JKS

Modified: trunk/matplotlib/lib/matplotlib/axes.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/axes.py	2009-02-28 07:46:14 UTC (rev 6943)
+++ trunk/matplotlib/lib/matplotlib/axes.py	2009-02-28 18:51:37 UTC (rev 6944)
@@ -532,6 +532,11 @@
         self._frameon = frameon
         self._axisbelow = rcParams['axes.axisbelow']
 
+        # Attributes for controlling whether axis objects are drawn.
+        # They are helpers for twinx and twiny.
+        self._xaxison = True
+        self._yaxison = True
+
         self._hold = rcParams['axes.hold']
         self._connected = {} # a dict from events to (id, func)
         self.cla()
@@ -1647,7 +1652,10 @@
             else:
                 self.xaxis.set_zorder(2.5)
                 self.yaxis.set_zorder(2.5)
-            artists.extend([self.xaxis, self.yaxis])
+            if self._xaxison:
+                artists.append(self.xaxis)
+            if self._yaxison:
+                artists.append(self.yaxis)
         if not inframe: artists.append(self.title)
         artists.extend(self.tables)
         if self.legend_ is not None:
@@ -6602,6 +6610,7 @@
         ax2.yaxis.tick_right()
         ax2.yaxis.set_label_position('right')
         self.yaxis.tick_left()
+        ax2._xaxison = False
         return ax2
 
     def twiny(self):
@@ -6621,6 +6630,7 @@
         ax2.xaxis.tick_top()
         ax2.xaxis.set_label_position('top')
         self.xaxis.tick_bottom()
+        ax2._yaxison = False
         return ax2
 
     def get_shared_x_axes(self):


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