interactive plots

Almar Klein almar.klein at gmail.com
Thu Jul 7 00:03:19 CEST 2011


On 7 July 2011 00:00, Almar Klein <almar.klein at gmail.com> wrote:

>
>
> On 6 July 2011 17:04, Mihai Badoiu <mbadoiu at gmail.com> wrote:
>
>> How do I do interactive plots in python?  Say I have to plot f(x) and g(x)
>> and I want in the plot to be able to click on f and make it disappear.  Any
>> python library that does this?
>
>
> Visvis is a plotting toolkit that has good support for interactive use and
> picking: http://code.google.com/p/visvis/
>
> I'll even give you an example:
>
> import visvis as vv
>
>
>  # Create to lines, increase line width (lw) for easier clicking
>
> f = vv.plot([1,2,3,2], lc='r', lw=3)
>
> g = vv.plot([2,1,4,3], lc='b', lw=3)
>
>
>  # Create callback function
>
> def deleteLine(event):
>
> event.owner.Destroy()
>
>  # Enable picking and set callback
>
> for fg in [f, g]:
>
> fg.hitTest = True
>
> fg.eventMouseDown.Bind(deleteLine)
>

Except that the indentation got mangled when I pasted the code in. Sorry
about that.
  Almar
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