SF.net SVN: matplotlib: [5352] trunk/matplotlib

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

Revision: 5352
          http://matplotlib.svn.sourceforge.net/matplotlib/?rev=5352&view=rev
Author:   mmetz_bn
Date:     2008-06-02 03:10:40 -0700 (Mon, 02 Jun 2008)

Log Message:
-----------
Added support for log to hist with histtype='step'

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

Modified: trunk/matplotlib/CHANGELOG
===================================================================
--- trunk/matplotlib/CHANGELOG	2008-06-01 21:36:50 UTC (rev 5351)
+++ trunk/matplotlib/CHANGELOG	2008-06-02 10:10:40 UTC (rev 5352)
@@ -1,3 +1,5 @@
+2008-06-02 Added support for log to hist with histtype='step' - MM
+
 ===============================================================
 2008-05-29 Released 0.98.0 at revision 5314
 

Modified: trunk/matplotlib/lib/matplotlib/axes.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/axes.py	2008-06-01 21:36:50 UTC (rev 5351)
+++ trunk/matplotlib/lib/matplotlib/axes.py	2008-06-02 10:10:40 UTC (rev 5352)
@@ -5739,7 +5739,6 @@
                     ccount += 1
             elif orientation == 'vertical':
                 for m in n:
-
                     color = colors[ccount % len(colors)]
                     patch = self.bar(bins[:-1]+boffset, m, width=width,
                                      bottom=bottom, align='center', log=log,
@@ -5762,6 +5761,13 @@
             elif align != 'edge':
                 raise ValueError, 'invalid align: %s' % align
 
+            if log:
+                y[0],y[-1] = 1e-100, 1e-100
+                if orientation == 'horizontal':
+                    self.set_xscale('log')
+                elif orientation == 'vertical':
+                    self.set_yscale('log')
+
             for m in n:
                 y[1:-1:2], y[2::2] = m, m
                 if orientation == 'horizontal':
@@ -5769,6 +5775,22 @@
                 elif orientation != 'vertical':
                     raise ValueError, 'invalid orientation: %s' % orientation
                 patches.append( self.fill(x,y) )
+
+            # adopted from adjust_x/ylim part of the bar method
+            if orientation == 'horizontal':
+                xmin, xmax = 0, self.dataLim.intervalx[1]
+                for m in n:
+                    xmin = np.amin(m[m!=0]) # filter out the 0 height bins
+                xmin = max(xmin*0.9, 1e-100)
+                self.dataLim.intervalx = (xmin, xmax)
+            elif orientation == 'vertical':
+                ymin, ymax = 0, self.dataLim.intervaly[1]
+                for m in n:
+                    ymin = np.amin(m[m!=0]) # filter out the 0 height bins
+                ymin = max(ymin*0.9, 1e-100)
+                self.dataLim.intervaly = (ymin, ymax)
+            self.autoscale_view()
+
         else:
             raise ValueError, 'invalid histtype: %s' % histtype
 


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