#ifndef detector_offset_h
#define detector_offset_h


#include <fstream>
#include <vector>

#include <stdio.h>

#include "TROOT.h"
#include "TNtuple.h"
#include "TString.h"

#include "TFile.h"
#include "TCanvas.h"
#include "TH1F.h"
#include "TGraph.h"
#include "TGraphErrors.h"

#include "TChain.h"
#include "TLine.h"

#include "TH2F.h"
#include "TCut.h"
#include "TStyle.h"

#include "TF1.h"


/*--------------------------------------------------*/
/// List of functions


class Offset {

	public:

		void Init();
		void Coin_time_loop(std::vector<int> grp);
		void Run_by_Run(Int_t run_num, Float_t x_bin_min, Float_t x_bin_max, Int_t x_bin_num); 
		void Cleanup();
		
	
	private:	
		TChain* globchain1; 		
		TChain* globchain2;		
		TChain* globchain3;	
		TChain* globchain4;	
		TChain* globchain_total; 	
		
		TFile* file_out;
		
		TDirectory* offset_out_dir;              

		
		TH2F* Q2_2p4_EB_4p2_combine; 
		TH2F* Q2_6p5_EB_5p2_combine;
		TH2F* Q2_4p4_EB_3p7_combine;
		TH2F* Q2_5p4_EB_4p7_combine;
		TH2F* total_hbeta_cointime;

		TF1* fit_fun;
		TF1* fit_fun_improve;
		
		float beta_cut;             
		float global_centered_hsbeta_cut;
		float gradi;                 

		FILE* offset_file;

};

#endif