Revision: 5051
http://matplotlib.svn.sourceforge.net/matplotlib/?rev=5051&view=rev
Author: efiring
Date: 2008-04-19 17:57:40 -0700 (Sat, 19 Apr 2008)
Log Message:
-----------
Make alpha work for contour and contourf (thanks to Stephane Raynaud)
Modified Paths:
--------------
trunk/matplotlib/lib/matplotlib/contour.py
Modified: trunk/matplotlib/lib/matplotlib/contour.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/contour.py 2008-04-19 14:22:11 UTC (rev
5050)
+++ trunk/matplotlib/lib/matplotlib/contour.py 2008-04-20 00:57:40 UTC (rev
5051)
@@ -325,7 +325,8 @@
levels = self.label_levels
fslist = self.fslist
trans = self.ax.transData
- _colors = self.label_mappable.to_rgba(self.label_cvalues)
+ _colors = self.label_mappable.to_rgba(self.label_cvalues,
+ alpha=self.alpha)
fmt = self.fmt
for icon, lev, color, cvalue, fsize in zip(self.label_indices,
self.label_levels,
@@ -456,7 +457,8 @@
nchunk = self.nchunk)
col = collections.PolyCollection(nlist,
antialiaseds = (self.antialiased,),
- edgecolors= 'None')
+ edgecolors= 'none',
+ alpha=self.alpha)
self.ax.add_collection(col)
self.collections.append(col)
@@ -469,7 +471,8 @@
nlist = C.trace(level, points = 0)
col = collections.LineCollection(nlist,
linewidths = width,
- linestyle = lstyle)
+ linestyle = lstyle,
+ alpha=self.alpha)
if level < 0.0 and self.monochrome:
ls = mpl.rcParams['contour.negative_linestyle']
@@ -491,8 +494,10 @@
self.to_rgba(self.cvalues, alpha=self.alpha)]
self.tcolors = tcolors
for color, collection in zip(tcolors, self.collections):
+ collection.set_alpha(self.alpha)
collection.set_color(color)
for label, cv in zip(self.cl, self.cl_cvalues):
+ label.set_alpha(self.alpha)
label.set_color(self.label_mappable.to_rgba(cv))
# add label colors
cm.ScalarMappable.changed(self)
@@ -718,11 +723,11 @@
return tlinestyles
def get_alpha(self):
- '''For compatibility with artists, return self.alpha'''
+ '''returns alpha to be applied to all ContourSet artists'''
return self.alpha
def set_alpha(self, alpha):
- '''For compatibility with artists, set self.alpha'''
+ '''sets alpha for all ContourSet artists'''
self.alpha = alpha
self.changed()
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