Revision: 5285
http://matplotlib.svn.sourceforge.net/matplotlib/?rev=5285&view=rev
Author: jdh2358
Date: 2008-05-28 07:39:23 -0700 (Wed, 28 May 2008)
Log Message:
-----------
zero area rects no longer influence auto-scaling
Modified Paths:
--------------
trunk/matplotlib/API_CHANGES
trunk/matplotlib/CHANGELOG
trunk/matplotlib/lib/matplotlib/axes.py
Modified: trunk/matplotlib/API_CHANGES
===================================================================
--- trunk/matplotlib/API_CHANGES 2008-05-28 13:36:50 UTC (rev 5284)
+++ trunk/matplotlib/API_CHANGES 2008-05-28 14:39:23 UTC (rev 5285)
@@ -1,3 +1,4 @@
+
Rewrote the cm.ScalarMappable callback infrastructure to use
cbook.CallbackRegistry rather than custom callback handling. Amy
users of add_observer/notify of the cm.ScalarMappable should uae
Modified: trunk/matplotlib/CHANGELOG
===================================================================
--- trunk/matplotlib/CHANGELOG 2008-05-28 13:36:50 UTC (rev 5284)
+++ trunk/matplotlib/CHANGELOG 2008-05-28 14:39:23 UTC (rev 5285)
@@ -1,3 +1,7 @@
+2008-05-28 zero width/height Rectangles no longer influence the
+ autoscaler. Useful for log histograms with empty bins -
+ JDH
+
2008-05-28 Fix rendering of composite glyphs in Type 3 conversion
(particularly as evidenced in the Eunjin.ttf Korean font)
Thanks Jae-Joon Lee for finding this!
Modified: trunk/matplotlib/lib/matplotlib/axes.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/axes.py 2008-05-28 13:36:50 UTC (rev
5284)
+++ trunk/matplotlib/lib/matplotlib/axes.py 2008-05-28 14:39:23 UTC (rev
5285)
@@ -1230,10 +1230,18 @@
def _update_patch_limits(self, p):
'update the datalimits for patch p'
+ # hist can add zero height Rectangles, which is useful to keep
+ # the bins, counts and patches lined up, but it throws off log
+ # scaling. We'll ignore rects with zero height or width in
+ # the auto-scaling
+ if isinstance(p, mpatches.Rectangle) and p.get_width()==0. or
p.get_height()==0.:
+ return
+
vertices = p.get_patch_transform().transform(p.get_path().vertices)
if p.get_data_transform() != self.transData:
transform = p.get_data_transform() + self.transData.inverted()
xys = transform.transform(vertices)
+
self.update_datalim(vertices)
def add_table(self, tab):
@@ -3509,14 +3517,15 @@
if adjust_xlim:
xmin, xmax = self.dataLim.intervalx
- xmin = np.amin(width)
+ xmin = np.amin(width[width!=0]) # filter out the 0 width rects
if xerr is not None:
xmin = xmin - np.amax(xerr)
xmin = max(xmin*0.9, 1e-100)
self.dataLim.intervalx = (xmin, xmax)
+
if adjust_ylim:
ymin, ymax = self.dataLim.intervaly
- ymin = np.amin(height)
+ ymin = np.amin(height[height!=0]) # filter out the 0 height rects
if yerr is not None:
ymin = ymin - np.amax(yerr)
ymin = max(ymin*0.9, 1e-100)
@@ -5501,7 +5510,10 @@
width. If None, automatically compute the width. Ignored
for 'step' histtype.
- log: if True, the histogram axis will be set to a log scale
+ log: if True, the histogram axis will be set to a log scale.
+ If log is true and x is a 1D array, empty bins will be
+ filtered out and only the non-empty n, bins, patches will be
+ returned.
kwargs are used to update the properties of the
hist Rectangles:
@@ -5587,6 +5599,7 @@
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,
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