On Fri, Jul 1, 2011 at 10:02 PM, JonBL <jc.bl...@bigpond.net.au> wrote:
>
> 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
>
Jon,
The examples on the website are for version 1.0.1, which is a couple of
years older than version 0.98. Many examples utilizes new features that
have since been added to matplotlib.
Also, as a side note, Fedora 10 has stopped receiving updates of any kind
about 2 years ago. This also means security updates.
Ben Root
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