Re: [Matplotlib-users] Fwd: pylab.close() gtk error. Could be a bug (?)

[Emmanuel P. <pec...@ob...>]

Hi David,

I was in non interactive mode. But I finally solved the problem by replacin=
g=20
the GTKAgg backend by the TkAgg one. I don't understand why the GTKAgg does=
=20
not work, but well... if the TkAgg does...

Emmanuel

Le Vendredi 24 F=C3=A9vrier 2006 16:47, David TREMOUILLES a =C3=A9crit=C2=
=A0:
>    >>2006/2/24, David Huard <dav...@gm... >:
>    >>What if I want it to be non-interactive ? I want to save graphics
>    >>directly to a file from a script, without them being displayed. It's
>    >>weird that in this case close() crashes the whole thing.
>
> Yes your wright the script have to work in non interactive mode. (I was
> just trying to give an explanation to Emmanuel problem).
> The following script should work (but it crashes like Emmanuel reported):
>
> #!/usr/bin/python
> import matplotlib
> import pylab
> #Turn off interactive mode
> matplotlib.interactive(False)
> #plot figure 1
> pylab.figure()
> pylab.plot([1,2,3],[1,2,3])
> pylab.savefig("test_pylab1.png")
> pylab.close()
> #plot figure 2
> pylab.figure()
> pylab.plot([1,2,3],[1,2,3])
> pylab.savefig("test_pylab2.png")
> pylab.close()
>
> Second figure cannot be created due to the crash.
>
> We need the help of matplotlib Gurus !
>
> Regards,
>
> David
>
> 2006/2/24, David Huard <dav...@gm...>:
> > What if I want it to be non-interactive ? I want to save graphics
> > directly to a file from a script, without them being displayed. It's
> > weird that in this case close() crashes the whole thing.
> >
> > David
> >
> > 2006/2/23, David TREMOUILLES < dav...@gm...>:
> > > Could that be because interactive mode was set in your previous insta=
ll
> >
> > ?
> >
> > >  (in .matplotlibrc file)
> > >  if I try:
> > >
> > > #!/usr/bin/python
> > >  import matplotlib
> > >  import pylab
> > >  matplotlib.interactive(True)
> > >  pylab.figure()
> > >  pylab.close()
> > >
> > >  Then it works...
> > >  Hope this  could help you...
> > >
> > >  David
> > >
> > > 2006/2/23, Emmanuel Pecontal <pec...@ob...>:
> > > > Hello,
> > > >
> > > > If I run the following script on my system (SuSE 10.0,
> > > > matplotlib-0.87but same behaviour with 0.86):
> > > >
> > > > #!/usr/bin/python
> > > >
> > > > import matplotlib
> > > > import pylab
> > > >
> > > > pylab.figure()
> > > > pylab.close ()
> > > >
> > > > It crashes with the following error message:
> > > >
> > > > Traceback (most recent call last):
> > > >   File "./tmp.py", line 8, in ?
> > > >     pylab.close()
> > > >   File
> > >
> > > "/usr/lib/python2.4/site-packages/matplotlib/pylab.py",
> > > line 768, in
> > >
> > > > close
> > > >     else: _pylab_helpers.Gcf.destroy(figManager.num)
> > > >   File
> > >
> > > "/usr/lib/python2.4/site-packages/matplotlib/_pylab_helpers.py",
> > > line
> > >
> > > > 28, in destroy
> > > >     figManager.destroy()
> > > >   File
> > >
> > > "/usr/lib/python2.4/site-packages/matplotlib/backends/backend_gtk.py",
> > >
> > > > line 456, in destroy
> > > >     gtk.main_quit()
> > > > RuntimeError: called outside of a mainloop
> > > >
> > > > Does someone has an idea of the problem?
> > > > I didn't have this kind of problem with my SuSE 9.3 and
> >
> > matplotlib-0.85
> >
> > > > --
> > > > Emmanuel P=C3=A9contal
> > > >
> > > > CRAL - Observatoire de Lyon
> > > > 9, Av. Charles Andre
> > > > F-69561 Saint Genis Laval Cedex
> > > >
> > > > tel (33) (0)4.78.86.83.76 - fax (33) (0)4.78.86.83.86
> > > >
> > > > email : pec...@ob...

=2D-=20
Emmanuel P=C3=A9contal

CRAL - Observatoire de Lyon
9, Av. Charles Andre
=46-69561 Saint Genis Laval Cedex

tel (33) (0)4.78.86.83.76 - fax (33) (0)4.78.86.83.86

email : pec...@ob...
~