Re: [Matplotlib-users] line segments in a scatter plot

[Benjamin R. <ben...@ou...>]

Nils,

Perhaps the rectangle selector might be of use? It defaults to a draw mode
of 'box', but you can set it to line so that it looks like a ruler widget.
http://matplotlib.org/api/widgets_api.html#matplotlib.widgets.RectangleSelector

I can imagine that you could set up a selector callback that could then
query the data on the graph to "snap" the final line to the nearest points
on the graph, creating a Line2D object on the fly. Is that what you are
looking for?

Cheers!
Ben Root



On Thu, Dec 11, 2014 at 8:47 AM, Nils Wagner <ni...@go...> wrote:
>
> Hi all,
>
> how can I create line segments between consecutive selected points of a
> scatter plot in an interactive manner ? It should be possible to create
> several unclosed polygonal lines. Each polygonal line might have
> a different color.
>
> A small example is appreciated.
>
> Thanks in advance.
>
>
>
>
>
> --
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