That would be a solution, indeed. However, is there really no way of coming back to a pre-plt.show() state once all windows are closed? What kind of irreversible things does plt.show() do? Thanks, Antony
2010/4/20 Ryan May <rma...@gmail.com> > On Tue, Apr 20, 2010 at 11:38 AM, Antony Lee <antony....@ensmp.fr> wrote: > > Hello, > > > > I'm currently writing a specialized image processing package using > > Matplotlib. The goal would be to let users use it interactively from an > > ipython console. > > So I have some functions for selecting points on plots (via > > "button_press_event"), and others for data plotting (and also for data > > processing, of course). When the user calls a plotting or a > > point-selecting function, I have to call plt.show() at the end of it... > but > > then this seems to do something irreversible which cannot be cancelled > > e.g. by plt.ioff(). But at the same time I can't stay in show() mode > > forever, because if I did so, the program would fail when the user calls > > another point-selecting function (as the call to the point-selecting > > function becomes non-blocking, Python raises an error when the yet > undefined > > coordinates are read in a following part of the enclosing function). (For > > the same reason, trying to use ipython -pylab leads to failure starting > > from the *first* call to a point-selecting function (instead of the > second > > when using ipython).) > > (And I can't use plt.ginput as I sometimes want to update the plot using > > some home-made functions while the user selects data on it). > > So I have to find a way of showing the plot(s) to the user, and still > come > > back to pre- plt.show() mode after (of course, if there was a way to show > > the plots without calling plt.show(), that would work too)... I believe > this > > is a "classic" question, but I haven't found an answer to it. So does > anyone > > have an idea about it? > > What you really need is to have ipython integrated into your GUI's > event loop (which is started with show). You might want to look at > http://code.google.com/p/spyderlib/ or Google around for some other > packages that integrate IPython into a GUI. > > Ryan > > -- > Ryan May > Graduate Research Assistant > School of Meteorology > University of Oklahoma > > > ------------------------------------------------------------------------------ > Download Intel® Parallel Studio Eval > Try the new software tools for yourself. Speed compiling, find bugs > proactively, and fine-tune applications for parallel performance. > See why Intel Parallel Studio got high marks during beta. > http://p.sf.net/sfu/intel-sw-dev > _______________________________________________ > Matplotlib-users mailing list > Matplotlib-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/matplotlib-users >
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