SF.net SVN: matplotlib: [5354] trunk/matplotlib

[<mme...@us...>]

Revision: 5354
          http://matplotlib.svn.sourceforge.net/matplotlib/?rev=5354&view=rev
Author:   mmetz_bn
Date:     2008-06-02 05:55:57 -0700 (Mon, 02 Jun 2008)

Log Message:
-----------
fixed a bug for log-scale stacked histograms

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

Modified: trunk/matplotlib/CHANGELOG
===================================================================
--- trunk/matplotlib/CHANGELOG	2008-06-02 11:48:42 UTC (rev 5353)
+++ trunk/matplotlib/CHANGELOG	2008-06-02 12:55:57 UTC (rev 5354)
@@ -1,4 +1,5 @@
-2008-06-02 Added support for log to hist with histtype='step' - MM
+2008-06-02 Added support for log to hist with histtype='step' and fixed
+           a bug for log-scale stacked histograms - MM
 
 ===============================================================
 2008-05-29 Released 0.98.0 at revision 5314

Modified: trunk/matplotlib/lib/matplotlib/axes.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/axes.py	2008-06-02 11:48:42 UTC (rev 5353)
+++ trunk/matplotlib/lib/matplotlib/axes.py	2008-06-02 12:55:57 UTC (rev 5354)
@@ -5637,7 +5637,7 @@
 
           align:
             ['edge' | 'center' ] Controles how the histogram is plotted.
-            If 'edge, bars are centered between the bin edges.
+            If 'edge', bars are centered between the bin edges.
             If 'center', bars are centered on the left bin edges
 
           orientation:
@@ -5718,7 +5718,6 @@
                 boffset, dw = 0.0, 0.0
 
                 stacked = True
-                if bottom is None: bottom = 0.0
             else:
                 raise ValueError, 'invalid histtype: %s' % histtype
 
@@ -5734,7 +5733,9 @@
                                       left=bottom, align='center', log=log,
                                       color=color)
                     patches.append(patch)
-                    if stacked: bottom += m
+                    if stacked:
+                        if bottom is None: bottom = 0.0
+                        bottom += m
                     boffset += dw
                     ccount += 1
             elif orientation == 'vertical':
@@ -5744,7 +5745,9 @@
                                      bottom=bottom, align='center', log=log,
                                      color=color)
                     patches.append(patch)
-                    if stacked: bottom += m
+                    if stacked:
+                        if bottom is None: bottom = 0.0
+                        bottom += m
                     boffset += dw
                     ccount += 1
             else:


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