25#include "TApplication.h"
31int main(
int argc,
char **argv)
33 TApplication theApp(
"Application",
nullptr,
nullptr);
47 TFile *f = TFile::Open(
"histograms.root");
48 if (!f)
return nullptr;
49 TH1D *histo =
nullptr;
50 f->GetObject(HistogramName, histo);
51 if (histo) histo->SetDirectory(
nullptr);
68 fitter.
AddGauss1(
"data1",
"Gauss1", 2553., 15.);
69 fitter.
AddGauss1(
"data1",
"Gauss2", 2672., 15.);
75 fitter.
Draw(
"#data1,Gauss1,Gauss2");
int main(int argc, char **argv)
TH1D * GetHistogram(const char *HistogramName)
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.
TGo4FitModelGauss1 * AddGauss1(const char *DataName, const char *ModelName, Double_t iPosition, Double_t iWidth, Double_t iAmpl=1., Int_t Axis=0)
Add 1-dim gaussian model to 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.