Re: How to get coordinate information of a histogram

Pasha Murat (murat@cdfsga.fnal.gov)
Mon, 3 Aug 1998 17:17:10 -0500 (CDT)


Hi Xie,

take a look at the source of TPad::ExecuteEvent or at the implementation of any
other T*::ExecuteEvent method. - regards, pasha.
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Wei Xie writes:
> Dear Rooters
>
> In TCanvas "option" menu, if "Event Status" is selected, coordinate
> information can be shown at the bottom of the Canvas. It's something like
> the following exmple:
>
> Pad example TFrame 122,333, x=1.97,y=3.06
>
> In above example, "x" and "y" give the position of your mouse in
> a TFrame that contains the histogram. Could you tell me how to
> get the value of "x" and "y" in my code.
>
> I did not manage to find answer in the source code of TCanvas.
>
> Sincerely yours
>
> Xie
>
>
>
>
>