Hi Jon,
This is the expected behaviour. When painting an histogram,
if there is no "stats" object in the pad at this point,
the Paint function draws one automatically, unless the SetOptStat
function has been called for this histogram.
Rene Brun
On Mon, 28 Aug 2000, Jon Levell wrote:
> Hi.
>
> I'm trying to overlay two histograms in the same pad. Before drawing the
> second histogram (using sames) I first want to rename and move the stats
> box for the first histogram. If I do this when the pad is updated I
> have the stats box drawn in both the old and new positions. If I don't
> rename it then when I move the stats box, the old version dissappears
> correctly:
>
> {
> TH1 *hist;
> TPaveStats *statsbox;
>
> TFile f1("1.root");
>
> hist = (TH1 *)f1.Get("h1001");
> hist->Draw();
> gPad->Update();
>
> statsbox=(TPaveStats *)(gPad->GetPrimitive("stats"));
> statsbox->SetX1NDC(0.78);
> statsbox->SetX2NDC(0.98);
> statsbox->SetY1NDC(0.5);
> statsbox->SetY2NDC(0.85);
> statsbox->SetName("h1001stats");
>
> gPad->Draw();
> }
>
> I'm using the normal version of ROOT installed here at CERN, what
> am I doing wrong?
>
> Thanks for pointing out my stupid mistake...
>
> Jon.
>
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