SF.net SVN: matplotlib:[8044] trunk/matplotlib

[<as...@us...>]

Revision: 8044
          http://matplotlib.svn.sourceforge.net/matplotlib/?rev=8044&view=rev
Author:   astraw
Date:     2009-12-21 00:46:59 +0000 (Mon, 21 Dec 2009)

Log Message:
-----------
spines: default transform is in data units, add set_bounds() call

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

Modified: trunk/matplotlib/CHANGELOG
===================================================================
--- trunk/matplotlib/CHANGELOG	2009-12-21 00:46:30 UTC (rev 8043)
+++ trunk/matplotlib/CHANGELOG	2009-12-21 00:46:59 UTC (rev 8044)
@@ -1,3 +1,6 @@
+2009-12-20 spines: put spines in data coordinates, add set_bounds()
+           call. -ADS
+
 2009-12-18 Don't limit notch size in boxplot to q1-q3 range, as this
            is effectively making the data look better than it is. - ADS
 

Modified: trunk/matplotlib/lib/matplotlib/axes.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/axes.py	2009-12-21 00:46:30 UTC (rev 8043)
+++ trunk/matplotlib/lib/matplotlib/axes.py	2009-12-21 00:46:59 UTC (rev 8044)
@@ -2065,6 +2065,9 @@
                         other.figure.canvas is not None):
                         other.figure.canvas.draw_idle()
 
+        for loc in ('bottom','top'):
+            self.spines[loc].set_bounds(xmin,xmax)
+
         return xmin, xmax
 
     def get_xscale(self):
@@ -2238,6 +2241,10 @@
                     if (other.figure != self.figure and
                         other.figure.canvas is not None):
                         other.figure.canvas.draw_idle()
+
+        for loc in ('left','right'):
+            self.spines[loc].set_bounds(ymin,ymax)
+
         return ymin, ymax
 
     def get_yscale(self):

Modified: trunk/matplotlib/lib/matplotlib/spines.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/spines.py	2009-12-21 00:46:30 UTC (rev 8043)
+++ trunk/matplotlib/lib/matplotlib/spines.py	2009-12-21 00:46:59 UTC (rev 8044)
@@ -55,7 +55,7 @@
         self.axis = None
 
         self.set_zorder(2.5)
-        self.set_transform(self.axes.transAxes) # default transform
+        self.set_transform(self.axes.transData) # default transform
 
         # Defer initial position determination. (Not much support for
         # non-rectangular axes is currently implemented, and this lets
@@ -82,6 +82,7 @@
         self._width = radius*2
         self._height = radius*2
         self._angle = 0
+        self.set_transform(self.axes.transAxes) # circle drawn on axes transform
 
     def set_patch_line(self):
         """set the spine to be linear"""
@@ -229,9 +230,9 @@
         t = self.get_spine_transform()
         if self.spine_type in ['left','right']:
             t2 = mtransforms.blended_transform_factory(t,
-                                                       self.axes.transAxes)
+                                                       self.axes.transData)
         elif self.spine_type in ['bottom','top']:
-            t2 = mtransforms.blended_transform_factory(self.axes.transAxes,
+            t2 = mtransforms.blended_transform_factory(self.axes.transData,
                                                        t)
         self.set_transform(t2)
 
@@ -278,6 +279,19 @@
         else:
             raise ValueError("unknown spine_transform type: %s"%what)
 
+    def set_bounds( self, low, high ):
+        v1 = self._path.vertices[:] # copy
+        assert v1.shape == (2,2), 'unexpected vertices shape'
+        if self.spine_type in ['left','right']:
+            v1[0,1] = low
+            v1[1,1] = high
+        elif self.spine_type in ['bottom','top']:
+            v1[0,0] = low
+            v1[1,0] = high
+        else:
+            raise ValueError('unable to set bounds for spine "%s"'%spine_type)
+        self._path.vertices = v1 # replace
+
     @classmethod
     def linear_spine(cls, axes, spine_type, **kwargs):
         """


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