I've used Add/Remove Software to install
python-matplotlib-0.98.5.2-2.fc10(i386) and
python-matplotlib-tk-0.98.5.2-2.fc10(i386) on my fedora 10 box, plus 11
dependencies, including Tkinter. Some matplotlib examples, eg pylab_examples
Examples/arctest.py works nicely, but many do not as presented.
Example api Examples/barchart_demo raises the following traceback when
executed as-is:
[jon@einstein matplotlib-examples]$ ./barchart.py
Traceback (most recent call last):
File "./barchart.py", line 18, in <module>
error_kw=dict(elinewidth=6, ecolor='pink'))
File "/usr/lib/python2.5/site-packages/matplotlib/pyplot.py", line 1656,
in bar
ret = gca().bar(*args, **kwargs)
File "/usr/lib/python2.5/site-packages/matplotlib/axes.py", line 4075, in
bar
r.update(kwargs)
File "/usr/lib/python2.5/site-packages/matplotlib/artist.py", line 548, in
update
raise AttributeError('Unknown property %s'%k)
AttributeError: Unknown property error_kw
(I've copied the example code into script barchart.py, and run it from
there.)
The problem line is:
rects1 = plt.bar(ind, menMeans, width,
color='r',
yerr=menStd,
error_kw=dict(elinewidth=6, ecolor='pink'))
If I replace this with:
rects1 = plt.bar(ind, menMeans, width,
color='r',
yerr=menStd)
and do the same thing for the rects2 statement, the demonstration then
presents the bar chart.
The problem seems to lie somewhere with the error_kw arg being passed to
method plt.bar. Is there something else I need to do to get the provided
examples to work as coded?
TIA,
Jon
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