Re: [Matplotlib-users] RuntimeError: could not open display

[Darren D. <dd...@co...>]

Hi Rich,

What happens if you run the script on a windows machine, no ssh?

Darren


On Wednesday 27 April 2005 9:28 pm, Rich Drewes wrote:
> I should add that we were both ssh'd into a Linux machine, he from Windows
> and I from Linux.  So his DISPLAY was not set and mine was.  When he ran
> the script it failed for him, but worked for me, even though the script
> only did a savefig and never tried to actually show() anything to a
> screen.  Is that expected behavior?
>
> Rich
>
> On Wed, 27 Apr 2005, Rich Drewes wrote:
> > Hello,
> >
> > I gave a colleague a matplotlib script that generated a .ps output with
> > savefig, and was surprised when it didn't work for him.  I eventually
> > figured out that since he was a Windows user and didn't have DISPLAY set,
> > the import of the matplotlib libraries was failing with the error in this
> > message's subject.  I eventually solved the problem by doing
> > "matplotlib.use('PS')" before the pylab import.
> >
> > However, the script never tried to actually display anything, it only
> > created the plot and did a savefig at the end.  So my question is:  is
> > this "could not open display"  behavior at import the way things are
> > supposed to work, or is this a bug?  It seems like it would be better to
> > hold off on the "could not open display" error until someone actually
> > tried to display something, and if all they did was savefigs, everything
> > would work fine.
> >
> > This is on matplotlib .80.
> >
> > Thanks,
> > Rich
> >
> >
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-- 
Darren S. Dale

Bard Hall
Department of Materials Science and Engineering
Cornell University
Ithaca, NY. 14850

dd...@co...