Re: [Matplotlib-users] Selectable vertical lines

[Fabrice S. <si...@lm...>]

Le mardi 07 janvier 2014 à 15:19 +0100, "V. Armando Solé" a écrit :
> Hello,
> 
> I am trying to add some vertical lines into a matplotlib figure axes.
> 
> The idea is to detect when the mouse passes over those lines in order to 
> displace them following the mouse if the left button is pressed.
> 
> I need some help to know the simplest way to proceed. Currently I am 
> looking into matplotlib.patches and considering to use a Polygon or a 
> Rectangle but perhaps that solution is overkill for a simple line. Is 
> there any example about how to do it? I am not using the pyplot 
> interface but instantiating myself the Figure,  the FigureCanvas and 
> adding the axes to the figure.

What about using axvline with the picker argument?
see http://matplotlib.org/users/event_handling.html