Re: [Matplotlib-users] Matplotlib navigation toolbar, save image & image text

[Benjamin R. <ben...@ou...>]

On Thu, Sep 6, 2012 at 5:29 AM, Jon Roadley-Battin <
jon...@gm...> wrote:

> Good morning,
>
> I have an odd problem with saving plot images via the navigation bar
> (unsure if it is unique to the navigation bar) if I have added custom
> text.
>
> BACKGROUND.
> I have a python gui which is used to connect to some hardware as a
> diagnosis tool. Its a pyGTK program and on one ui tab there is an
> embeded matplotlib plot.
> Now some of the signals I plot rather than being a waveform is more of
> a collection of flags (16bit but thats a by and by)
> eg:
>
>
>
>
> fault
> 0  = fault1
> 0 = fault2
> 1 = fault3
> 0 = fault4
>
>
>
> so for this  I can plot this and it will show 2 (possibly changing w.r.t.
> time).
> I then hook in via a onpick event such that if I click on a plot I
> essentially do this:
>
>                     self.figtxt =
> self.fig.text(0.79,0.92,'\n'.join(txt),va='top',
> bbox=dict(boxstyle='round', facecolor='white',alpha=0.7))
>                     self.plot_marker =
> self.plot_area.plot(xdata,ydata,'x',color=event.artist.get_color(),ms=7)
>
> ie I put a cross where someone clicked (for indication) and I also
> create a texxbox which lists human readable version of what bits are
> set.
> Great, really helpful in debugging.
>
> The issue is if you click on the save image icon on the navigation
> toolbar it saves the waveform and legend BUT not the additional
> content (the cross and the textbox).
>
>
> any idea as to how todo this?
>
>
What you are describing should work as expected.  Is it possible that you
could make a simple, self-contained version (hopefully it doesn't need to
be embedded to reproduce the problem)?  Maybe a modification of one of the
existing examples in the online docs might be able to reproduce your issue?

Ben Root