Something that I have noticed:
When using TkAgg (python 2.5, OSX/ppc, mpl 99.0), isinteractive() switches
from False to True after the first call to show() (see below). When I
switch back ends, e.g. to Qt4, this change does not happen until I do it
myself through ion(). This was reproduceable on my intel mac, but since
updating to 99.1.1 (from source rather than Fink), I've broken the Tk
backend. Hope this helps; it may be a naive observation.
In [2]: import matplotlib as mpl
In [3]: mpl.use('TkAgg')
In [4]: import pylab as plt
In [5]: plt.isinteractive()
Out[5]: False
In [6]: plt.plot([0,1])
Out[6]: [<matplotlib.lines.Line2D object at 0x1dee1f0>]
In [7]: plt.show()
In [8]: plt.isinteractive()
Out[8]: True
On Sun, Jun 13, 2010 at 9:36 AM, Michiel de Hoon <mjldeh...@yahoo.com>wrote:
> --- On Fri, 6/11/10, Eric Firing <efir...@hawaii.edu> wrote:
> > I agree that the difference in blocking behavior is still a
> > problem. I think that what we should do for now, *if* multiple
> > calls to show work on the Mac (which I can't easily test), is
> > change the documentation to correspond to the present situation,
> > highlighting the real problem of different blocking behavior.
>
> I now tried the remaining backends on Mac OS X. With the Qt4Agg and WxAgg
> backends, show() can be called repeatedly and blocks each time. The FltkAgg
> backend shows the same behavior as Tkagg. The implementation of show() in
> the FltkAgg backend uses the same _needmain as TkAgg. If I remove the
> _needmain stuff, then show() can be called multiple times with FltkAgg,
> blocking each time.
>
> --Michiel.
>
>
>
>
>
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