Re: [Matplotlib-users] Annotate not Drawing Properly in a Gridspec - Version 1.4.3

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

I think this is a feature/bug that got reverted in the master branch.
Perhaps you could try building matplotlib from source and seeing if the
problem goes away?

Cheers!
Ben Root

On Tue, May 26, 2015 at 3:00 PM, Sean Lake <ody...@gm...> wrote:

> Sterling,
>
> Thanks for the pointer. I've already used a workaround where I used "data"
> coordinates and put it at:
> 0.9 * (xmax - xmin) + xmin, and similar for y.
>
> I'm really only reporting this so that it can be fixed if there is someone
> who does need to annotate something in a grid.
>
> Sean
>
> > On May 26, 2015, at 11:54, Sterling Smith <sm...@fu...>
> wrote:
> >
> > Sean,
> >
> > Do you need an `annotate`, or just a `text`?  `text` has the `transform`
> keyword, to which you can pass `ax.transAxes`.
> >
> > ax.text(.9,.9, r"$\mathbf{" + lab +
> ")}$”,transform=ax.transAxes,ha=‘right’,va=‘center’)
> >
> > -Sterling
> >
> > On May 26, 2015, at 10:06AM, Sean Lake <ody...@gm...> wrote:
> >
> >> Hello all,
> >>
> >> I'm using matplotlib 1.4.3 installed using fink with python 2.7.
> >>
> >> I'm trying to produce a grid of plots using gridspec that has
> annotations to label each plot.
> >>
> >> Here is the call to annotate the current axes:
> >> ax.annotate( r"$\mathbf{" + lab + ")}$",
> >>                xy=(0.5*(xmin+xmax), 0.5*(ymin+ymax)),
> >>                xytext=(0.9, 0.9),
> >>                textcoords="axes fraction", fontsize=14 )
> >>
> >> Where ax is initialized by:
> >> ax = plt.subplot(gs[ coords[0], coords[1] ])
> >>
> >> and gs by:
> >> gs = mpgs.GridSpec( 3, 2, wspace=0.0, hspace=0.0 )
> >>
> >> The trouble comes in when abs(ymax) < abs(ymin). When that is true, the
> labels are offset upward by one row, for some reason.
> >>
> >> I've attached a script that demonstrates the problem, and an example of
> the output. I can work around this problem by using "data" coordinates, but
> even so this reveals a bug somewhere.
> >>
> >> Thanks,
> >> Sean Lake
> >>
> >>
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