qt-x11-4.8.0-7.fc16.x86_64
PyQt4-4.8.6-1.fc16.x86_64
But interestingly, I'm not actually using the display in this script. I'm
using
pdfpages.
The basic outline is:
At the start:
from matplotlib.backends.backend_pdf import PdfPages
self.pdf = PdfPages(file_name)
Then at the start of each page I do:
self.prop = mpl.font_manager.FontProperties(size='xx-small')
self.fig = fig = plt.figure()
self.ax = fig.add_subplot(111)
fig.subplots_adjust(bottom=0.2)
self.colors = itertools.cycle(['r','g','b','c','y','m','k'])
self.markers = itertools.cycle(['o','s','v'])
Then at the start of each plot on a page I do:
self.ax.semilogy (esno, [e for e in per], c=self.colors.next(),
marker=self.markers.next(), label='iter=%s'%n_iter)
Finally, to finish each page:
plt.title (...)
plt.grid(which='major', linestyle='solid')
plt.grid(which='minor', linestyle='dashed')
plt.legend(prop=self.prop, loc='best')
self.ax.set_xlabel ('${E_s}/N_0$')
self.ax.set_ylabel ('per')
plt.figtext (0, 0, res['carriers'].values, horizontalalignment='left',
verticalalignment='bottom', size=5)
self.pdf.savefig (self.fig)
plt.close()
Then when all pages are done:
self.pdf.close()
It looks like I'm getting one of these error messages for each page.
Michael Droettboom wrote:
> Can you provide more detail about how to reproduce this?
>
> I can deduce you're using the Qt4Agg backend -- but running
> simple_plot.py, zooming around, and then closing the window does not
> seem to reproduce the error here.
>
> What version of Qt/PyQt/PySide are you running. What platform?
>
> Mike
>
> On 03/28/2012 08:34 AM, Neal Becker wrote:
>> I'm getting these messages, which did not occur with 1.1:
>>
>> Traceback (most recent call last):
>> File "/home/nbecker/.local/lib/python2.7/site-
>> packages/matplotlib/backends/backend_qt4.py", line 151, in<lambda>
>> lambda: self.close_event())
>> File "/home/nbecker/.local/lib/python2.7/site-
>> packages/matplotlib/backend_bases.py", line 1564, in close_event
>> self.callbacks.process(s, event)
>> RuntimeError: underlying C/C++ object has been deleted
>>
>>
>>
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