Hi,
Thank's a lot for your informative answer. I've solved the issue now using
WXAgg as backend. WX was way too slow (plotting two graphs with 8000
datapoints each)
regards,
Sture
>> I've been trying to use matplotlib from boa constructor (on windows,
>> running enthon-python2.4-1.0.0 and boa-constructor 0.4.4). For test
>> purpose I have a single button-event call this function:
>>
>> def testPlot():
>> plot([1,2,3])
>> show()
>>
>> Everything is fine for the first event - button fires the function and
>> a plot-window is showing. Killing this window and have a second go at
>> the plot at first seems to work but the window can not be closed and
>> when I try to move said window the whole application crash.
>
> There is a conflict between the GUI library used by boa constructor
> (wxWidgets/wxPython) and the one used by default by matplotlib when
> you run the show() command (Tk).
>
> Each of these two libraries run an event loop, handling all your
> keyboard and mouse inputs. When you start your application, wxWidgets
> has control. When you run show(), Tk takes control and displays your
> matplotlib chart. But when you close the chart window, Tk keeps
> control, so your application freezes.
>
> The solution is to use another backend, compatible with wxpython. Try
> backend WX or WXAgg.
>
> At the top of your script (before import pylab), add this:
> import matplotlib
> matplotlib.use('WX')
>
> or:
> import matplotlib
> matplotlib.use('WXAgg')
>
> More explanations here: http://matplotlib.sourceforge.net/backends.html
>
> For reference, here is information provided on matplotlib's web site:
> http://matplotlib.sourceforge.net/installing.html
> There are known conflicts with some of the backends with some python
> IDEs such as pycrust, idle. If you want to use matplotlib from an IDE,
> please consult backends for compatibility information. You will have
> the greatest likelihood of success if you run the examples from the
> command shell or by double clicking on them, rather than from an IDE.
> If you are interactively generating plots, your best bet is TkAgg from
> the standard python shell or ipython.
>
> Good luck!
>
> -- Nicolas Grilly
>
>
--
Sture Lygren
Computer Systems Administrator
Andoya Rocket Range
Work: +4776144451 / Fax: +4776144401
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