Re: [Matplotlib-users] Removing picked line

[John H. <jd...@gm...>]

On Wed, Jun 10, 2009 at 9:04 AM, Ole Streicher<ole...@gm...> wrote:
> Hi John,
>
> John Hunter <jd...@gm...> writes:
>> If for some reason the built in pick_event is unsuitable, you can
>> create your own matplotlib.backend_bases.MouseEvent and call
>> line.contains(event) for each line you want to hit test.
>
> Thank you, that works for me. But for some reason, the "y" coordinate is
> inversed in Qt and matplotlib? I have to specify

Yes, for mpl 0,0 is bottom, left whereas many GUI canvases call 0,0 top, left

> The other question that now remains is: how can I remove a line from an
> axes?

  ax.lines.remove(someline)
  fig.canvas.draw()

JDH