That is indeed a bug. This has now been fixed in SVN r8288. You can
apply this patch to your local copy if you aren't running from SVN:
http://matplotlib.svn.sourceforge.net/viewvc/matplotlib?view=rev&revision=8288
Mike
On 04/28/2010 09:29 PM, Shrividya Ravi wrote:
Hi all,
I am having a problem having both a vspan and a legend in a figure
plotted on a semilog axis. A simple code that gives the following
error is shown in red:
ERROR
return self.frozen().__array__()
File "/usr/lib/pymodules/python2.6/matplotlib/transforms.py", line
1051, in __array__
return self.frozen().__array__()
File "/usr/lib/pymodules/python2.6/matplotlib/transforms.py", line
1706, in frozen
return blended_transform_factory(self._x.frozen(), self._y.frozen())
File "/usr/lib/pymodules/python2.6/matplotlib/transforms.py", line
1875, in frozen
frozen = composite_transform_factory(self._a.frozen(),
self._b.frozen())
File "/usr/lib/pymodules/python2.6/matplotlib/transforms.py", line
1367, in frozen
return Affine2D(self.get_matrix().copy())
File "/usr/lib/pymodules/python2.6/matplotlib/transforms.py", line
1451, in __init__
Affine2DBase.__init__(self)
File "/usr/lib/pymodules/python2.6/matplotlib/transforms.py", line
1304, in __init__
Transform.__init__(self)
File "/usr/lib/pymodules/python2.6/matplotlib/transforms.py", line
87, in __init__
self._parents = WeakKeyDictionary()
File "/usr/lib/python2.6/weakref.py", line 232, in __init__
def remove(k, selfref=ref(self)):
RuntimeError: maximum recursion depth exceeded while calling a Python
object
CODE
x = numpy.arange(10,1e8,1000)
y = numpy.arange(0,100,0.001)
pylab.semilogx(x,y,'bo', label="Plot 1")
pylab.legend(loc='best')
pylab.axvspan(20,2e3,facecolor='k',alpha0.2)
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