Hi Mike,
CINT does not like calling a function with one or more arguments specified
as calls to another function. Proceed in two steps:
Int_t binmin = h1->GetMaximumBin() - 100;
Int_t binmax = h1->GetMaximumBin() - xxx (cannot be 400 !)
h1->GetXaxis->SetRange(binmin,binmax);
Rene Brun
Michael Kordosky wrote:
>
> Hi,
>
> I am trying to set the axis range on a histogram with the following lines:
>
> TFile* f = new TFile("mode-04-plots.root","READ");
>
> TH1F* h1 = (TH1F*)f->Get("channel_0");
>
> can->cd(4); //A divided TCanvas
>
> h1->GetXaxis->SetRange(((h1->GetMaximumBin())-100),
> ((h1->GetMaximumBin())-400));
> h1->DrawCopy();
>
> These lines produce the error message:
>
> Error: Can't call
> TH1F::GetXaxis->SetRange(((h1->GetMaximumBin())-100),
> ((h1->GetMaximumBin())-400))
> in current scope FILE:mode-04-plots.C LINE:54
> Possible candidates are...
> filename line:size busy function type and name (in TH1F)
> filename line:size busy function type and name (in TH1)
> filename line:size busy function type and name (in TNamed)
> filename line:size busy function type and name (in TObject)
> filename line:size busy function type and name (in TAttLine)
> filename line:size busy function type and name (in TAttFill)
> filename line:size busy function type and name (in TAttMarker)
> filename line:size busy function type and name (in TArrayF)
> filename line:size busy function type and name (in TArray)
> *** Interpreter error recovered ***
>
> Could someone point out what I am doing wrong?
>
> Mike Kordosky
>
> --
> Graduate Research Assistant // High Energy Physics Lab
> kordosky@hep.utexas.edu // University of Texas at Austin
> ph: (512) 471-8426 (RLM Lab, Office)
> (512) 475-8673 (ENS Lab)
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