doc/master/fitpanel6_8cxx.html

/*************************************************************************

 * Copyright (C) 1995-2019, Rene Brun and Fons Rademakers.               *

 * All rights reserved.                                                  *

 *                                                                       *

 * For the licensing terms see $ROOTSYS/LICENSE.                         *

 * For the list of contributors see $ROOTSYS/README/CREDITS.             *

 *************************************************************************/


#include <ROOT/RFitPanel.hxx>

#include "TH1.h"

#include "TFile.h"


void fitpanel6()

{

   TFile::Open("hsimple.root");

   if (gFile) {

      gFile->Get("hpx");

      gFile->Get("hpxpy");

      gFile->Get("hprof");

   }


   // create panel

   auto panel = std::make_shared<ROOT::Experimental::RFitPanel>("FitPanel");


   TH1F *test = new TH1F("test","This is test histogram",100,-4,4);

   test->FillRandom("gaus", 10000);


   panel->AssignHistogram(test);


   panel->Show();


   panel->ClearOnClose(panel);

}


RFitPanel.hxx

TFile.h

gFile
#define gFile
Definition TFile.h:347

TH1.h

TFile::Open
static TFile * Open(const char *name, Option_t *option="", const char *ftitle="", Int_t compress=ROOT::RCompressionSetting::EDefaults::kUseCompiledDefault, Int_t netopt=0)
Create / open a file.
Definition TFile.cxx:4082

TH1F
1-D histogram with a float per channel (see TH1 documentation)
Definition TH1.h:621

TH1::FillRandom
virtual void FillRandom(const char *fname, Int_t ntimes=5000, TRandom *rng=nullptr)
Fill histogram following distribution in function fname.
Definition TH1.cxx:3519