Re: [Matplotlib-users] event.ind in point picking gives wrong number

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

On Sun, Sep 15, 2013 at 11:59 PM, C M <cmp...@gm...> wrote:

> Just a follow-up on this problem...
>
> I've found now that the index is only off if the plot is zoomed, and in
> the following way.  When I zoom, the first point that is visible in the
> plot window will have index = 0, the next point will have index = 1, and so
> forth.  If I zoom another section of the points, the indices are "reset" in
> this same way.
>
> What's really bizarre is that this is only occurring on one plot.  When I
> try to reproduce the problem on other plots (so far at least), I can't.
>
> Any suggestions for how to chase this down would be very welcome.
>
> Thanks.
>
>
That is a very useful observation. I am not very familiar with the artist
picking code, but if I have to guess, I would wonder if indices are being
determined from a path created *after* clip_to_rect() is used internally.
Given that you are having difficulties in reproducing this issue in other
plots, I would suggest trying to pare down your badly behaving code as much
as you can and post it here.  Furthermore, it would also be useful to
determine if the issue still occurs in v1.3 or in the master branch.

Cheers!
Ben Root