Re: [ROOT] Getting access to axis with the mouse after fit on several graphs

From: Rene Brun (Rene.Brun@cern.ch)
Date: Fri Aug 20 2004 - 10:14:48 MEST


Hi Eric,

Thanks for reporting this problem.
Now fixed in the CVS version.

Rene Brun

eric.anciant@noos.fr wrote:
> 
> Hello rooters
> 
> After executing the little macro below, I don't have access to the axis
> (X and Y) using the mouse, When I click right on the axis the
> "TF1::pol1" object is grabbed ... Is this the expected behaviour ?
> I haven't figured out a simple workarround so far (for example drawing a
> TH2C histogram before the graphs ends up with the same problem... )
> 
> The problem does not appear if I uncoment the first
> "//    gr->Fit("pol1");"
> And comment the second one.
> 
> I am using ROOT 4.00/08 with GDK on WIN2000
> 
>   *   Version   4.00/08       9 July 2004   *
> Compiled for win32.
> CINT/ROOT C/C++ Interpreter version 5.15.138, May 23 2004
> 
> I also reproduce this behaviour on home Drake Linux-Box
> 
>    *   Version   4.00/08       9 July 2004   *
> FreeType Engine v2.1.3 used to render TrueType fonts.
> Compiled for linux with thread support.
> 
> CINT/ROOT C/C++ Interpreter version 5.15.138, May 23 2004
> 
> ******** MACRO :
> 
> {
>      double x[5] = { -10 , -5 , -2, 3, 5 };
>      double y[5] = { -8 , -3 , 0, 2, 6 };
>      TGraph* gr = new TGraph(5,x,y);
>      gr->Draw("LAP");
> //    gr->Fit("pol1");
> 
>      x[0] = -8; x[4] = 4;
>      y[2] = 1;
>      gr = new TGraph(5,x,y);
>      gr->Draw();
>      gr->Fit("pol1");
> 
> }



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