27#include "TApplication.h"
34int main(
int argc,
char **argv)
36 TApplication theApp(
"Application",
nullptr,
nullptr);
50 TFile *f = TFile::Open(
"histograms.root");
51 if (!f)
return nullptr;
52 TH1D *histo =
nullptr;
53 f->GetObject(HistogramName, histo);
54 if (histo) histo->SetDirectory(
nullptr);
84 fitter.
Draw (
"#data1,Gauss1,Gauss2");
int main(int argc, char **argv)
TH1D * GetHistogram(const char *HistogramName)
Bool_t SetParValue(const char *ParName, Double_t iValue)
Set value of parameter with given name.
void DoActions(Bool_t AllowFitterChange=kFALSE, TObjArray *Actions=nullptr)
Executes actions list.
Central class of Go4Fit package.
TGo4FitDataHistogram * AddH1(const char *DataName, TH1 *histo, Bool_t Owned=kFALSE, Double_t lrange=0., Double_t rrange=0.)
Create TGo4FitDataHistogram object and adds its to fitter.
void Print(Option_t *option="") const override
Print containment of fitter.
void AddPolynomX(const char *DataName, const char *NamePrefix, Int_t MaxOrder=1, Int_t GroupIndex=0, Double_t lrange=0., Double_t rrange=0.)
Construct 1-dim polynom for specified data object for x scale.
void Draw(Option_t *option) override
Draw fitter on current canvas.
TGo4FitModel * AddModel(TGo4FitModel *m)
Add model component to fitter.