Fix bug(#2749174) that some properties of minor ticks are not conserved.

svn path=/branches/v0_98_5_maint/; revision=7115

Author: leejjoon

CHANGELOG

@@ -1,3 +1,6 @@
+2009-05-17 Fix bug(#2749174) that some properties of minor ticks are
+           not conserved -JJL
+
 ======================================================================
 2008-05-17 Release 0.98.5.3 at r7107
 

lib/matplotlib/axis.py

@@ -1273,8 +1273,12 @@ def set_ticks_position(self, position):
         assert position in ('top', 'bottom', 'both', 'default', 'none')
 
 
-        ticks = list( self.get_major_ticks() )  # a copy
-        ticks.extend( self.get_minor_ticks() )
+        # The first ticks of major & minor ticks should always be
+        # included, otherwise, the information can be lost. Thus, use
+        # majorTicks instead of get_major_ticks() which may return
+        # empty list.
+        ticks = list( self.majorTicks ) # a copy
+        ticks.extend( self.minorTicks )
 
         if position == 'top':
             for t in ticks:
@@ -1514,8 +1518,12 @@ def set_ticks_position(self, position):
         """
         assert position in ('left', 'right', 'both', 'default', 'none')
 
-        ticks = list( self.get_major_ticks() ) # a copy
-        ticks.extend( self.get_minor_ticks() )
+        # The first ticks of major & minor ticks should always be
+        # included, otherwise, the information can be lost. Thus, use
+        # majorTicks instead of get_major_ticks() which may return
+        # empty list.
+        ticks = list( self.majorTicks ) # a copy
+        ticks.extend( self.minorTicks )
 
         if position == 'right':
             self.set_offset_position('right')