Re: [Matplotlib-users] same plot on several backends?

[Norbert N. <Nor...@gm...>]

OK, now I understand: my problem was just the ordering of show() and savefig()

Doing savefig first and show lateron solved the problem with no further 
changes...

Thanks!

Am Donnerstag, 2. Dezember 2004 10:26 schrieb Darren Dale:
> On Thursday 02 December 2004 04:12 am, Norbert Nemec wrote:
> > Hi there,
> >
> > probably a trivial question, but somehow, I'm stuck anyway:
> >
> > I have the following script:
> >
> > ----------
> > #!/usr/bin/env python
> > import matplotlib.matlab
> > ... do some data preparation ...
> > plot(something)
> > show()
> > savefig("output.eps")
> > ----------
> >
> > If I call this script with the -dGtkAgg option, it displays the plot on
> > screen and saves an empty eps file. If I call it with -dPS, it displays
> > nothing and outputs the correct eps - so far everything as I would expect
> > it.
> >
> > Up to now, I just used the -dGtkAgg backend (as default) to get an
> > impression about the plots and then ran the script again to create the
> > .eps.
> >
> > Now, I would like the script to do both in one run: display the plot on
> > screen, and save it to disk at the same time.
> >
> > Somehow I have not achieved doing so. My first idea was to place
> >  matplotlib.use('PS')
> > right before the savefig, but that does not change anything and still
> > writes an empty .eps file.
> >
> > What should I do?
>
> Hi Norbert,
>
> Try running this:
>
> ----------
> #!/usr/bin/env python
> matplotlib.use('GTKAgg')
> import matplotlib.matlab
> ... do some data preparation ...
> plot(something)
> savefig("output.eps")
> show()
> ----------
>
> That should save the file as eps and show the plot using the GTK backend.
> matplotlib.use('PS') would have to be called before importing
> matplotlib.matlab, which is why it seemed unresponsive in your script. But
> you dont need to call it for what you want to accomplish.

-- 
_________________________________________Norbert Nemec
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