Ivan,
I cannot reproduce this problem. Could you be more explicit?
I also suggest to use the PRO version 3.03/09
Rene Brun
On Wed, 23 Oct 2002, ivan brida wrote:
> hi Rene
>
> I corrected my program according to your suggestion and it works fine.
> but if I save the canvas c (created with corrected program) into e.g.
> c.c, this file contains similar lines as my original program and the
> same approach via TH1F. and if I call this macro via .x c.c, the
> original problem vith zooming y-axis arises. so the question is why does
> root save canvases in such a way?
>
> ivan
>
> Hi Ivan,
>
> Replace the following lines in your program:
> TH1F *hframe = new TH1F ("hframe","",10,1,10);
> hframe -> SetMinimum(0);
> hframe -> SetMaximum(10);
> hframe -> SetStats(0);
> g->SetHistogram(hframe);
> by
> g->SetMinimum(0);
> g->SetMaximum(10);
>
> Rene Brun
>
> On Wed, 23 Oct 2002, ivan brida wrote:
>
> > hi rooters
> >
> > I have problem with zooming the y-axis. I do this:
> >
> > { TGraph *g=new TGraph(10);
> > for (int i=0 ; i<10 ; i++) {g->SetPoint(i,i,i);}
> > g -> SetMarkerStyle(20);
> > TCanvas *c = new TCanvas("c","c");
> > TH1F *hframe = new TH1F ("hframe","",10,1,10);
> > hframe -> SetMinimum(0);
> > hframe -> SetMaximum(10);
> > hframe -> SetStats(0);
> > g->SetHistogram(hframe);
> > g -> Draw("ap");
> > c -> Modified();
> > }
> >
> > the y-maximum is 10. if I zoom the y-axis interactively (e.g. y=2..5)
> > and then unzoom, the hframe->GetMaximum() returns the value 1.
> > this problem doesn't occur for x-axis.
> >
> > I use root version 3.03/08 20.8.2002, win 2000.
> >
> > could anybody help me?
> >
> > thanks
> >
> > ivan
> >
>
>
This archive was generated by hypermail 2b29 : Sat Jan 04 2003 - 23:51:15 MET