Re: [Matplotlib-users] Deleting lines from a plot

[Carl M. <car...@bi...>]

So obvious when someone tells you! Thanks for this, it is exactly what I was
looking for. 

Carl

----- Original Message ----- 
From: "John Hunter" <jdh...@ac...>
To: "Carl Mouser" <car...@bi...>
Cc: <mat...@li...>
Sent: Thursday, May 05, 2005 11:55 PM
Subject: Re: [Matplotlib-users] Deleting lines from a plot


> 
> If you know which line you want to delete, you can call
> ax.lines.remove(line) where line is a line instance.
> 
>     In [1]: line1, = plot(rand(10), 'ro')
>     In [2]: line2, = plot(rand(20), 'b--s')
>     In [3]: ax = gca()
>     In [4]: ax.lines.remove(line1)
>     In [5]: draw()
> 
> If you haven't saved the line instance, but can otherwise identify it
> (eg you know it was the first line you plotted), you can do something
> like
> 
>   ax.lines.remove(ax.lines[0])
> 
> or if you have labeled the line, you can identify and remove it with
> 
>   plot(x,y,label='my line')
>   line = [line for line in ax.lines if line.get_label()=='my line'][0]
>   ax.lines.remove(line)
> 
> JDH