SF.net SVN: matplotlib: [5656] trunk/matplotlib/lib/matplotlib/axes.py

[<jd...@us...>]

Revision: 5656
          http://matplotlib.svn.sourceforge.net/matplotlib/?rev=5656&view=rev
Author:   jdh2358
Date:     2008-06-24 07:37:41 -0700 (Tue, 24 Jun 2008)

Log Message:
-----------
fixed a date autolocator refresh bug

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

Modified: trunk/matplotlib/lib/matplotlib/axes.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/axes.py	2008-06-24 13:56:55 UTC (rev 5655)
+++ trunk/matplotlib/lib/matplotlib/axes.py	2008-06-24 14:37:41 UTC (rev 5656)
@@ -2058,7 +2058,8 @@
         *tz* is the time zone to use in labeling dates.  Defaults to rc value.
         """
 
-        if self.ignore_existing_data_limits:
+        xmin, xmax = self.dataLim.intervalx
+        if xmin==0.:
             # no data has been added - let's set the default datalim.
             # We should probably use a better proxy for the datalim
             # have been updated than the ignore setting
@@ -2074,6 +2075,12 @@
             locator = mdates.AutoDateLocator(tz)
             self.xaxis.set_major_locator(locator)
 
+        # the autolocator uses the viewlim to pick the right date
+        # locator, but it may not have correct viewlim before an
+        # autoscale.  If the viewlim is still zero..1, set it to the
+        # datalim and the autoscaler will update it on request
+        if self.viewLim.intervalx[0]==0.:
+            self.viewLim.intervalx = tuple(self.dataLim.intervalx)
         locator.refresh()
 
         formatter = self.xaxis.get_major_formatter()
@@ -2086,7 +2093,8 @@
 
         *tz* is the time zone to use in labeling dates.  Defaults to rc value.
         """
-        if self.ignore_existing_data_limits:
+        ymin, ymax = self.dataLim.intervaly
+        if ymin==0.:
             # no data has been added - let's set the default datalim.
             # We should probably use a better proxy for the datalim
             # have been updated than the ignore setting
@@ -2103,6 +2111,13 @@
         if not isinstance(locator, mdates.DateLocator):
             locator = mdates.AutoDateLocator(tz)
             self.yaxis.set_major_locator(locator)
+
+        # the autolocator uses the viewlim to pick the right date
+        # locator, but it may not have correct viewlim before an
+        # autoscale.  If the viewlim is still zero..1, set it to the
+        # datalim and the autoscaler will update it on request
+        if self.viewLim.intervaly[0]==0.:
+            self.viewLim.intervaly = tuple(self.dataLim.intervaly)
         locator.refresh()
 
         formatter = self.xaxis.get_major_formatter()


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