Just to clarify, do you actually want to be able to "pick" it, so by
selecting in interactively (and probably manually, i.e. with the mouse) or
are you only interested in displaying the "data underneath the line".
The second is straightforward: just plot in a new axes the relevant row of
your 2D data.
The former requires you to add events to your figure so that you can pick
values interactively. The matplotlib example [pick_event_demo][1] shows you
how it's done. I recomment studying it and then asking again if it doesn't
work.
1: http://matplotlib.org/examples/event_handling/pick_event_demo.html
2014-06-19 2:56 GMT+02:00 dydy2014 <dyahr...@gmail.com>:
> Thank you Paul for your comment, but what I need not just put a line in the
> contour.
> I want to pick value along the red line, so which the data that placed on
> the red line.
> Then I will plot it in the other type of plot.
>
>
>
>
>
>
>
> --
> View this message in context:
> http://matplotlib.1069221.n5.nabble.com/Pick-a-particular-data-from-array-tp43532p43545.html
> Sent from the matplotlib - users mailing list archive at Nabble.com.
>
>
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