Re: [Matplotlib-users] Hiding data via legend

[Ryan M. <rm...@gm...>]

On Tue, Aug 4, 2009 at 11:50 AM, John Hunter <jd...@gm...> wrote:

> On Mon, Aug 3, 2009 at 11:38 PM, Gökhan Sever<gok...@gm...>
> wrote:
> > Hello,
> >
> > I was wondering if it is possible to hide some data on figures using a
> say
> > right click option to any of the legend entry and make it temporarily
> > hidden/visible to better analyse the rest of the data?
> >
> > Check this screenshot for example:
> >
> > http://img25.imageshack.us/img25/9427/datahiding.png
> >
> > The red data clutters the rest of the figure, and I would like to be able
> to
> > hide it temporarily so that I can investigate the other two relations
> more
> > easily.
> >
> > Any ideas? or alternative solutions?
>
> It's a nice idea, and should be doable with the pick interface we have
> for all mpl artists.  Unfortunately, there were a few problems in the
> legend implementation which blocked the pick events from hitting the
> proxy lines they contained.  I just made a few changes to mpl svn HEAD
> to support this, and added a new example.
>
>  examples/event_handling/legend_picking.py


Awesome example.  I tweaked it to change the alpha of the lines in the
legend so that you know when you've turned off a line (making it more
chaco-like).

Ryan

-- 
Ryan May
Graduate Research Assistant
School of Meteorology
University of Oklahoma