/// to do:
/// 1. correct for gap between arrays

#define convert_cxx
#include "hitutils.h"
#include <string>
#include <stdio.h>
#include <iostream>
#include <vector>
#include <utility>
#include <TH2.h>
#include <TF1.h>
#include <TStyle.h>
#include <TCanvas.h>
#include <TFile.h>
#include <TTree.h>
#include <TSystemDirectory.h>
#include <gsl/gsl_statistics.h>
#include <math.h>
#include <gsl/gsl_errno.h>
#include <gsl/gsl_fft_complex.h>
#include <TF1.h>
#include <TGraphErrors.h>
#include <gsl/gsl_sort.h>
#include <TVector.h>
#include "TStopwatch.h"
#include "Math/MinimizerOptions.h"
#include "TVirtualFitter.h"
#include "TMatrixD.h"

//using namespace std;

bool smooth_on = true;
bool doFit = false;
bool doLinInt = true;
bool ethercat = true;

Double_t S[128], T[128], SumT, SumS, SumS2, SumST, SumT2, SumY, SumYS, SumYT, sigmaABC, muABC,p,c, b, b_den, b_num, SumYYP, SumYYM, MeanY;
TMatrixD M1(3,3);
TMatrixD M1inv(3,3);
TVectorD ABC(3);
TVectorD M2(3);
Double_t M1elements_b0[9] = {0.};
Double_t M1elements_b1[9] = {0.};
Double_t M1elements_b2[9] = {0.};
Double_t M1elements_b3[9] = {0.};

TMatrixD matrix(2,2);
TMatrixD *M1pointer = &M1;
TVectorD *M2pointer = &M2;
TVectorD *ABCpointer = &ABC;


int eventID = 0;
int framestart=0;
int frameend = 0;
double board_b0_ch[128];
double board_b1_ch[128];
double board_b2_ch[128];
double board_b3_ch[128];
double board_b0_ch_bkg[128];
double board_b1_ch_bkg[128];
double board_b2_ch_bkg[128];
double board_b3_ch_bkg[128];
double signal_b0 = 0.;
double signal_b1 = 0.;
double signal_b2 = 0.;
double signal_b3 = 0.;

double signal_cor_b0 = 0.;
double signal_cor_b1 = 0.;
double signal_cor_b2 = 0.;
double signal_cor_b3 = 0.;

double signal_b0_left = 0.;
double signal_b1_left = 0.;
double signal_b2_left = 0.;
double signal_b3_left = 0.;

double signal_b0_right = 0.;
double signal_b1_right = 0.;
double signal_b2_right = 0.;
double signal_b3_right = 0.;

double signal_gsl_b0[128];
double signal_gsl_b1[128];
double signal_gsl_b2[128];
double signal_gsl_b3[128];
double signal_reg[128];


double channellist_gsl_b0[128];
double channellist_gsl_b1[128];
double channellist_gsl_b2[128];
double channellist_gsl_b3[128];
double channellist[128];
double channellist_reg[128];


double pos[128];

double maxchannelamp_b0 =0.;
double maxchannelamp_b1 =0.;
double maxchannelamp_b2 =0.;
double maxchannelamp_b3 =0.;
int maxchannel_b0 =0;
int maxchannel_b1 =0;
int maxchannel_b2 =0;
int maxchannel_b3 =0;
int numtocalc_b0 =0;
int numtocalc_b1 =0;
int numtocalc_b2 =0;
int numtocalc_b3 =0;
int numtocalc_reg =0;

int nfwhm_b0 = 0;
int nfwhm_b1 = 0;
int nfwhm_b2 = 0;
int nfwhm_b3 = 0;

double	beamPosX_b0,beamPosX_b1,beamPosX_b2,beamPosX_b3;
double	beamFocusX_b0,beamFocusX_b1,beamFocusX_b2,beamFocusX_b3;
double	beamPosX_fit_b0,beamPosX_fit_b1,beamPosX_fit_b2,beamPosX_fit_b3;
double	beamFocusX_fit_b0,beamFocusX_fit_b1,beamFocusX_fit_b2,beamFocusX_fit_b3; 
double	beamSkewX_b0,beamSkewX_b1,beamSkewX_b2,beamSkewX_b3;
double	beamKurtX_b0,beamKurtX_b1,beamKurtX_b2,beamKurtX_b3; 
int	beamNumX_b0,beamNumX_b1,beamNumX_b2,beamNumX_b3;
double	beamRsqr_b0,beamRsqr_b1,beamRsqr_b2,beamRsqr_b3;
double	beamChi2_fit_b0,beamChi2_fit_b1,beamChi2_fit_b2,beamChi2_fit_b3;

double	beamPosX_reg_b0,beamPosX_reg_b1,beamPosX_reg_b2,beamPosX_reg_b3;
double	beamFocusX_reg_b0,beamFocusX_reg_b1,beamFocusX_reg_b2,beamFocusX_reg_b3; 
double	beamPeakX_reg_b0,beamPeakX_reg_b1,beamPeakX_reg_b2,beamPeakX_reg_b3;

double beamSidebandNoise_b0, beamSidebandNoise_b1, beamSidebandNoise_b2, beamSidebandNoise_b3 ;
int sidenumtocalc_b0,sidenumtocalc_b1,sidenumtocalc_b2,sidenumtocalc_b3;
size_t size = 5;

const int length = 100; //length of the rolling average
double array_b0[length] = {0.};
double array_b1[length] = {0.};
double array_b2[length] = {0.};
double array_b3[length] = {0.};

double arrayavg_b0 = 0.;
double arrayavg_b1 = 0.;
double arrayavg_b2 = 0.;
double arrayavg_b3 = 0.;


bool graphsaved_b0 = false;
bool graphsaved_b1 = false;
bool graphsaved_b2 = false;
bool graphsaved_b3 = false;

TVector beamontime(0,3,0.,0.,0.,0.,"END");
TVector * beamontime_ptr = &beamontime;

double calibration_b0[128] = {0.};
double calibration_b1[128] = {0.};
double calibration_b2[128] = {0.};
double calibration_b3[128] = {0.};

TF1 * gausfunc_b0 = new TF1("gausfunc_b0","gaus(0)+[3]");
TF1 * gausfunc_b1 = new TF1("gausfunc_b1","gaus(0)+[3]");



TGraphErrors * gausgraph_b0;
TGraphErrors * gausgraph_b1;
Int_t lastfit_b0 = 0;
Int_t lastfit_b1 = 0;
double errorx[128];
double errory[128];

bool samplenoise = false;
bool beam_off = true;
bool beam_wason = false;
int beamoffcounter = 0;
int beamoncounter = 0;

Double_t mybeta = 0.;
Double_t lorentz_gamma = 0.;
Double_t zsqr = 0.;
Double_t sp_air = 0.;
Double_t sp_ps = 0.;
Double_t sp2_air = 0.;
Double_t sp2_ps = 0.;
Double_t intcorr = 1.;

Double_t x, q, median;

TF1 * f_sp_air = new TF1("f_sp_air","[0]*pow(x,[1])+[2]", 50, 250); //stopping power of protons in Air [MeV cm2 /g]
TF1 * f_sp_ps = new TF1("f_sp_ps","[0]*pow(x,[1])+[2]", 50, 250); //stopping power of protons in polystyrene [MeV cm2 /g]
TF1 * f_h2sp_air = new TF1("f_h2sp_air","[0]*pow(x,[1])+[2]", 50, 250); //stopping power of helium in air [MeV cm2 /g]
TF1 * f_h2sp_ps = new TF1("f_h2sp_ps","[0]*pow(x,[1])+[2]", 50, 250); //stopping power of helium in polystyrene [MeV cm2 /g]
TF1 * f_c12sp_air = new TF1("f_c12sp_air","[0]*pow(x,[1])+[2]", 80, 480); //stopping power of carbon in air [MeV cm2 /g]
TF1 * f_c12sp_ps = new TF1("f_c12sp_ps","[0]*pow(x,[1])+[2]", 80, 480); //stopping power of carbon in polystyrene [MeV cm2 /g]
TF1 * f_o16sp_air = new TF1("f_o16sp_air","[0]*pow(x,[1])+[2]", 80, 480); //stopping power of oxygen in air [MeV cm2 /g]
TF1 * f_o16sp_ps = new TF1("f_o16sp_ps","[0]*pow(x,[1])+[2]", 80,480); //stopping power of oxygen in polystyrene [MeV cm2 /g]
/////       ic1/SP intensity correction factor = 19.8E6+/-0.1E6 particles/s per nA/(Mevcm2/g)


/// compile with:
//// $ make clean; make
/// run with:
//// $ ./convert <path to data> <run>
//// $ ./convert /work/leverington/beamprofilemonitor/hitdata/HIT_17_12_2017/ run2



int analyse(int argc, char **argv)
{
  f_sp_air->SetParameters(303.746, -0.873697,1.01335); //protons between 50 and 300 MeV
  f_sp_ps->SetParameters(361.936, -0.892255, 1.19133);  //protons between 50 and 220 MeV
  f_h2sp_air->SetParameters(1236.51, -0.880225, 4.17041);  //helium between 50 and 300 MeV
  f_h2sp_ps->SetParameters(1387.08, -0.882686,4.60833);  //heelium between 50 and 300 MeV
  f_c12sp_air->SetParameters(13291.2, -0.925464,45.3876);  //carbon between 80 and 480 MeV
  f_c12sp_ps->SetParameters(14538.9, -0.922423,49.2859);  //carbon between 80 and 480 MeV
  f_o16sp_air->SetParameters(24624.9, -0.925425,80.6828);  //oxygen between 80 and 480 MeV
  f_o16sp_ps->SetParameters(26465.6, -0.928309,88.6728);  //oxygen between 80 and 480 MeV
  
  //  TVirtualFitter::SetDefaultFitter("Minuit2");
  //  TVirtualFitter::SetPrecision(0.1);

  // std::cout << "Default Fitter:" << TVirtualFitter::GetDefaultFitter() << std::endl;

  //initialise some values;
  for (int i = 0;i<128;i++){
    board_b0_ch_bkg[i] = 0.;
    board_b1_ch_bkg[i] = 0.;
    board_b2_ch_bkg[i] = 0.;
    board_b3_ch_bkg[i] = 0.;
    channellist_gsl_b0[i] = 0;
    channellist_gsl_b1[i] = 0;
    channellist_gsl_b2[i] = 0;
    channellist_gsl_b3[i] = 0;
 
    calibration_b0[i] = 1.0;
    calibration_b1[i] = 1.0;
    calibration_b2[i] = 1.0;
    calibration_b3[i] = 1.0;
    errorx[i]=17.;
    errory[i]=17.;

    if (i<64) {pos[i] = double(i);}
    else {pos[i] = double(i) + 0.2; }
  }
  if (argc > 1){
    //open the file names specified in the command line
    char * ethercatfile = argv[3];
    //  argv[1]= "/work/leverington/beamprofilemonitor/hitdata/HIT_17_12_2017/";
    //  argv[2]= "Run11"
    char * filename = Form("%s%s.dat",argv[1],argv[2]);
    char * timestampfilename =  Form("%s%s_timestamp.csv",argv[1],argv[2]); 
    char * rootfilename = Form("%s/root/%s.root",argv[1],argv[2]); 
    ifstream file(filename, ifstream::in | ifstream::binary);
    ifstream timestampfile(timestampfilename, ifstream::in);
    if (!file.is_open()){
      printf(".dat did not open.\n");
      return -1;	//file could not be opened
    }
    if (!timestampfile.is_open()){
      printf("timestamp.csv did not open.\n");
      ethercat = false;
      //return -1;	//file could not be opened
    }
    
    
   
    ///some variables to get the data
    // int number_of_records_to_read = 4*10;
    //   BufferData* buffer = new BufferData[number_of_records_to_read];
    //if(argc > 4)  {
    //  framestart = atoi(argv[3]);
    //  frameend = atoi(argv[4]);
    // }


    int board_b = -1;
    long int  fileframesize =   getFileSize(filename) / ( 4*sizeof(BufferData) );
    BufferData* dataptr = new BufferData(); 
    
    if (fileframesize>0){
      std::cout << "Number of frames:" << fileframesize << std::endl;
      //open ROOT file for saving histos and TTree.
      TFile *rootFile = new TFile(rootfilename,"RECREATE");
      if ( rootFile->IsOpen() ) printf("ROOT file opened successfully\n");
      TH2D * th2_signal_vs_channel_b0 = new TH2D("th2_signal_vs_channel_b0","th2_signal_vs_channel_b0",128,0,128,2200,-1000,10000);
      TH2D * th2_signal_vs_channel_b1 = new TH2D("th2_signal_vs_channel_b1","th2_signal_vs_channel_b1",128,0,128,2200,-1000,10000);
      TH2D * th2_signal_vs_channel_b2 = new TH2D("th2_signal_vs_channel_b2","th2_signal_vs_channel_b2",128,0,128,2200,-1000,10000);
      TH2D * th2_signal_vs_channel_b3 = new TH2D("th2_signal_vs_channel_b3","th2_signal_vs_channel_b3",128,0,128,2200,-1000,10000);
      TH2D * th2_signal_vs_channel_sub_b0 = new TH2D("th2_signal_vs_channel_sub_b0","th2_signal_vs_channel_sub_b0",128,0,128,2200,-1000,10000);
      TH2D * th2_signal_vs_channel_sub_b1 = new TH2D("th2_signal_vs_channel_sub_b1","th2_signal_vs_channel_sub_b1",128,0,128,2200,-1000,10000);
      TH2D * th2_signal_vs_channel_sub_b2 = new TH2D("th2_signal_vs_channel_sub_b2","th2_signal_vs_channel_sub_b2",128,0,128,2200,-1000,10000);
      TH2D * th2_signal_vs_channel_sub_b3 = new TH2D("th2_signal_vs_channel_sub_b3","th2_signal_vs_channel_sub_b3",128,0,128,2200,-1000,10000);
      TH1D * th1_signal_b0 = new TH1D("th1_signal_b0","th1_signal_b0",2200,-10000,50000);
      TH1D * th1_signal_b1 = new TH1D("th1_signal_b1","th1_signal_b1",2200,-10000,50000);
      TH1D * th1_signal_b2 = new TH1D("th1_signal_b2","th1_signal_b2",2200,-10000,50000);
      TH1D * th1_signal_b3 = new TH1D("th1_signal_b3","th1_signal_b3",2200,-10000,50000);
      TH1D * h_regresidual_b0 = new TH1D("h_regresidual_b0","h_regresidual_b0", 200,-.20,.20);
      TH1D * h_regresidual_b1 = new TH1D("h_regresidual_b1","h_regresidual_b1", 200,-.20,.20);
      TH1D * h_regresidual_b2 = new TH1D("h_regresidual_b2","h_regresidual_b2", 200,-.20,.20);
      TH1D * h_regresidual_b3 = new TH1D("h_regresidual_b3","h_regresidual_b3", 200,-.20,.20);

      
      TGraph * graph_bkg_b0 = new TGraph();
      TGraph * graph_bkg_b1 = new TGraph();
      TGraph * graph_bkg_b2 = new TGraph();
      TGraph * graph_bkg_b3 = new TGraph();
      TGraph * gr_b0;
      TGraph * gr_sm_b0;
      TGraph * gr_b1;
      TGraph * gr_sm_b1;
      TGraph * gr_b2;
      TGraph * gr_sm_b2;
      TGraph * gr_b3;
      TGraph * gr_sm_b3;

      TH2D * th2_signal_vs_channel_bkg_b0 = new TH2D("th2_signal_vs_channel_bkg_b0","th2_signal_vs_channel_bkg_b0",128,0,128,1000,-500,500);
      TH2D * th2_signal_vs_channel_bkg_b1 = new TH2D("th2_signal_vs_channel_bkg_b1","th2_signal_vs_channel_bkg_b1",128,0,128,1000,-500,500);
      TH2D * th2_signal_vs_channel_bkg_b2 = new TH2D("th2_signal_vs_channel_bkg_b2","th2_signal_vs_channel_bkg_b2",128,0,128,1000,-500,500);
      TH2D * th2_signal_vs_channel_bkg_b3 = new TH2D("th2_signal_vs_channel_bkg_b3","th2_signal_vs_channel_bkg_b3",128,0,128,1000,-500,500);
      TH2D * th2_resid_vs_channel_bkg_b0 = new TH2D("th2_resid_vs_channel_bkg_b0","th2_resid_vs_channel_bkg_b0",128,0,128,300,-.15,.15);
      TH2D * th2_resid_vs_channel_bkg_b1 = new TH2D("th2_resid_vs_channel_bkg_b1","th2_resid_vs_channel_bkg_b1",128,0,128,300,-.15,.15);
      TH2D * th2_resid_vs_channel_bkg_b2 = new TH2D("th2_resid_vs_channel_bkg_b2","th2_resid_vs_channel_bkg_b2",128,0,128,300,-.15,.15);
      TH2D * th2_resid_vs_channel_bkg_b3 = new TH2D("th2_resid_vs_channel_bkg_b3","th2_resid_vs_channel_bkg_b3",128,0,128,300,-.15,.15);


      TH1D* h_beamSignal_b0[30];
      TH1D* h_beamSignal_b1[30];
      TH1D* h_beamSignal_b2[30];
      TH1D* h_beamSignal_b3[30];
      int energy_indexbin = 0;
      char histname[30] = "";
      TH1D* h_beamSignal_ic1[30];
      

      TH1D* h_beamSignal_cor_b0[30];
      TH1D* h_beamSignal_cor_b1[30];
      TH1D* h_beamSignal_cor_b2[30];
      TH1D* h_beamSignal_cor_b3[30];
      Double_t beamSignal_cor_b0_mean[30];
      Double_t beamSignal_cor_b1_mean[30];
      Double_t beamSignal_cor_b2_mean[30];
      Double_t beamSignal_cor_b3_mean[30];
      Double_t mybeta_graph[30];


      
      for (int iii=0; iii<=29; iii++){
	sprintf(histname,"h_beamSignal_b0_%d",iii);
	h_beamSignal_b0[iii] = new TH1D(histname,histname,200,0,100000);
	sprintf(histname,"h_beamSignal_b1_%d",iii);
	h_beamSignal_b1[iii] = new TH1D(histname,histname,200,0,100000);
	sprintf(histname,"h_beamSignal_b2_%d",iii);
	h_beamSignal_b2[iii] = new TH1D(histname,histname,200,0,100000);
	sprintf(histname,"h_beamSignal_b3_%d",iii);
	h_beamSignal_b3[iii] = new TH1D(histname,histname,200,0,100000);
      }
      for (int iii=0; iii<=29; iii++){
	sprintf(histname,"h_beamSignal_cor_b0_%d",iii);
	h_beamSignal_cor_b0[iii] = new TH1D(histname,histname,200,0,10);
	sprintf(histname,"h_beamSignal_cor_b1_%d",iii);
	h_beamSignal_cor_b1[iii] = new TH1D(histname,histname,200,0,10.);
	sprintf(histname,"h_beamSignal_cor_b2_%d",iii);
	h_beamSignal_cor_b2[iii] = new TH1D(histname,histname,200,0,10.);
	sprintf(histname,"h_beamSignal_cor_b3_%d",iii);
	h_beamSignal_cor_b3[iii] = new TH1D(histname,histname,200,0,10.);
	sprintf(histname,"h_beamSignal_ic1_%d",iii);
	h_beamSignal_ic1[iii] = new TH1D(histname,histname,200,0,1000.);
	
      }
  
      
      TTree *rootTree = new TTree("t","HIT Data Root Tree");
 
      rootTree->Branch("beamPosX_reg_b0",&beamPosX_reg_b0,"beamPosX_reg_b0/D");
      rootTree->Branch("beamPosX_reg_b1",&beamPosX_reg_b1,"beamPosX_reg_b1/D");
      rootTree->Branch("beamPosX_reg_b2",&beamPosX_reg_b2,"beamPosX_reg_b2/D");
      rootTree->Branch("beamPosX_reg_b3",&beamPosX_reg_b3,"beamPosX_reg_b3/D");
      
   
      rootTree->Branch("beamFocusX_reg_b0",&beamFocusX_reg_b0,"beamFocusX_reg_b0/D");
      rootTree->Branch("beamFocusX_reg_b1",&beamFocusX_reg_b1,"beamFocusX_reg_b1/D");
      rootTree->Branch("beamFocusX_reg_b2",&beamFocusX_reg_b2,"beamFocusX_reg_b2/D");
      rootTree->Branch("beamFocusX_reg_b3",&beamFocusX_reg_b3,"beamFocusX_reg_b3/D");

      rootTree->Branch("beamPeakX_reg_b0",&beamPeakX_reg_b0,"beamPeakX_reg_b0/D");
      rootTree->Branch("beamPeakX_reg_b1",&beamPeakX_reg_b1,"beamPeakX_reg_b1/D");
      rootTree->Branch("beamPeakX_reg_b2",&beamPeakX_reg_b2,"beamPeakX_reg_b2/D");
      rootTree->Branch("beamPeakX_reg_b3",&beamPeakX_reg_b3,"beamPeakX_reg_b3/D");
      
      
      rootTree->Branch("beamRsqr_b0",&beamRsqr_b0,"beamRsqr_b0/D");
      rootTree->Branch("beamRsqr_b1",&beamRsqr_b1,"beamRsqr_b1/D");
      rootTree->Branch("beamRsqr_b2",&beamRsqr_b2,"beamRsqr_b2/D");
      rootTree->Branch("beamRsqr_b3",&beamRsqr_b3,"beamRsqr_b3/D");
      rootTree->Branch("sp2_ps",&sp2_ps,"sp2_ps/D");
      rootTree->Branch("sp2_air",&sp2_air,"sp2_air/D");
      rootTree->Branch("mybeta",&mybeta,"mybeta/D");

            
      rootTree->Branch("beamSkewX_b0",&beamSkewX_b0,"beamSkewX_b0/D");
      rootTree->Branch("beamSkewX_b1",&beamSkewX_b1,"beamSkewX_b1/D");
      rootTree->Branch("beamSkewX_b2",&beamSkewX_b2,"beamSkewX_b2/D");
      rootTree->Branch("beamSkewX_b3",&beamSkewX_b3,"beamSkewX_b3/D");
      rootTree->Branch("beamKurtX_b0",&beamKurtX_b0,"beamKurtX_b0/D");
      rootTree->Branch("beamKurtX_b1",&beamKurtX_b1,"beamKurtX_b1/D");
      rootTree->Branch("beamKurtX_b2",&beamKurtX_b2,"beamKurtX_b2/D");
      rootTree->Branch("beamKurtX_b3",&beamKurtX_b3,"beamKurtX_b3/D");
      rootTree->Branch("beamNumX_b0",&numtocalc_b0,"beamNumX_b0/I");
      rootTree->Branch("beamNumX_b1",&numtocalc_b1,"beamNumX_b1/I");
      rootTree->Branch("beamNumX_b2",&numtocalc_b2,"beamNumX_b2/I");
      rootTree->Branch("beamNumX_b3",&numtocalc_b3,"beamNumX_b3/I");
      rootTree->Branch("beamSignal_b0",&signal_b0,"beamSignal_b0/D");
      rootTree->Branch("beamSignal_b1",&signal_b1,"beamSignal_b1/D");
      rootTree->Branch("beamSignal_b2",&signal_b2,"beamSignal_b2/D");
      rootTree->Branch("beamSignal_b3",&signal_b3,"beamSignal_b3/D");

      
      rootTree->Branch("beamSignal_cor_b0",&signal_cor_b0,"beamSignal_cor_b0/D");
      rootTree->Branch("beamSignal_cor_b1",&signal_cor_b1,"beamSignal_cor_b1/D");
      rootTree->Branch("beamSignal_cor_b2",&signal_cor_b2,"beamSignal_cor_b2/D");
      rootTree->Branch("beamSignal_cor_b3",&signal_cor_b3,"beamSignal_cor_b3/D");


      rootTree->Branch("eventID",&eventID,"eventID/I");
      //rootTree->Branch("board_b0_ch",&board_b0_ch,"board_b0_ch[128]/D");
      //rootTree->Branch("board_b1_ch",&board_b1_ch,"board_b1_ch[128]/D");
      //rootTree->Branch("board_b2_ch",&board_b2_ch,"board_b2_ch[128]/D");
      //rootTree->Branch("board_b3_ch",&board_b3_ch,"board_b3_ch[128]/D");

      rootTree->Branch("arrayavg_b0",&arrayavg_b0,"arrayavg_b0/D");
      rootTree->Branch("arrayavg_b1",&arrayavg_b1,"arrayavg_b1/D");
      rootTree->Branch("arrayavg_b2",&arrayavg_b2,"arrayavg_b2/D");
      rootTree->Branch("arrayavg_b3",&arrayavg_b3,"arrayavg_b3/D");
    
      rootTree->Branch("M1elements_b0",&M1elements_b0,"M1elements_b0[9]/D");
      rootTree->Branch("M1elements_b1",&M1elements_b1,"M1elements_b1[9]/D");
      rootTree->Branch("M1elements_b2",&M1elements_b2,"M1elements_b2[9]/D");
      rootTree->Branch("M1elements_b3",&M1elements_b3,"M1elements_b3[9]/D");


      
      double time;
      
      // import and align matching ethercat data
      TTree *tree2 = new TTree("t2", "t2");
      if(ethercat){
	std::cout << " Loading Ethercat data." << std::endl;
	tree2->ReadFile(ethercatfile, "RELTIME2/D:IC1/D:MW1_POSX/D:MW1_POSY/D:ANALOG_IN1/D:ENERGY_INDEX/D:INTENSITY_INDEX/D:ION-SORT/D:TIME2/D", '\t');
	std::cout << "Ethercat data loaded." << std::endl;
	tree2->Print();
      }
      int k = 0;
      // int count = 0;
      double ic1, ic2, mw1_focusx, mw1_focusy, mw2_focusx, mw2_focusy, mw1_posx, mw1_posy, mw2_posx, mw2_posy;
      double ic1_avg, ic2_avg, mw1_focusx_avg, mw1_focusy_avg, mw2_focusx_avg, mw2_focusy_avg, mw1_posx_avg, mw1_posy_avg, mw2_posx_avg, mw2_posy_avg;
      
      double analog_in1;
      double energy_index;
      double energy;
      double energy_list_p[27] = {48.12, 59.82, 70.03, 79.17, 87.53, 95.3, 102.61, 109.56, 116.2, 122.57, 128.72, 134.65, 140.41, 146.01, 151.5, 156.89, 162.21, 167.46, 172.62, 177.7, 184.81, 191.87, 198.76, 205.48, 212.06, 218.51, 0.};
      double energy_list_he[27] = {50.57, 61.86, 71.73, 80.64, 88.85, 96.52, 103.76, 110.64, 117.23, 123.55, 129.64, 135.55, 141.27, 146.84, 152.26, 157.56, 162.73, 167.8, 172.77, 177.64, 184.56, 191.54, 198.36, 205.03, 211.57, 217.98, 0.};
      double energy_list_c[27] = {88.83,110.58,129.79,147.13,163.09,178.01,192.13,205.6,218.52,230.98,243.03,254.71,266.08,277.19,288.1,298.87,309.52,320.07,330.48,340.77,355.22,369.64,383.78,397.66,411.32,424.77,0.};
      double energy_list_o[27] = {103.77, 129.65, 152.42, 172.98, 191.96, 209.63, 226.53, 242.58, 258.11, 273.04, 287.5, 301.55, 315.32, 328.61, 341.84, 354.88, 367.94, 380.48, 393.09, 405.65, 423.23, 440.82, 458.11, 475.28, 491.93, 508.38, 0.};
      double intensity_index;
      double intensity;
      double intensity_list_p[16] = {0., 8.00E+07, 1.20E+08, 2.00E+08, 3.20E+08,4.00E+08, 6.00E+08, 8.00E+08, 1.20E+09, 2.00E+09, 3.20E+09, 4.00E+09, 6.00E+09, 8.00E+09, 1.20E+10, 2.00E+10};
      double intensity_list_he[16] = { 0.,  2.00E+07, 3.00E+07, 5.00E+07, 8.00E+07, 1.00E+08, 1.50E+08, 2.00E+08, 3.00E+08, 5.00E+08, 8.00E+08, 1.00E+09, 1.50E+09, 2.00E+09, 3.00E+09, 5.00E+09};

      double intensity_list_c[16] = {0.,2.00E+06, 3.00E+06, 5.00E+06, 8.00E+06, 1.00E+07, 1.50E+07, 2.00E+07, 3.00E+07, 5.00E+07, 8.00E+07, 1.00E+08, 1.50E+08, 2.00E+08, 3.00E+08, 5.00E+08};
      double intensity_list_o[16] = {0., 1.00E+06, 1.50E+06, 2.50E+06, 4.00E+06, 5.00E+06, 8.00E+06, 1.00E+07, 1.50E+07, 2.50E+07, 4.00E+07, 5.00E+07, 8.00E+07, 1.00E+08, 1.50E+08, 2.50E+08 };
      double ionsort;

      double rel_time2,time2;

      double timeoffset;
      int mwoffset;
      double timewindow;
      double timeoffset2;
      double timewindow2;

      if(ethercat){
	rootTree->Branch("ic1_avg", &ic1_avg, "ic1_avg/D");
	rootTree->Branch("mw1_posx", &mw1_posx_avg, "mw1_posx/D");
	rootTree->Branch("mw1_posy", &mw1_posy_avg, "mw1_posy/D");
	rootTree->Branch("energy_index", &energy_index, "energy_index/D");
	rootTree->Branch("intensity_index", &intensity_index, "intensity_index/D");
	rootTree->Branch("ionsort", &ionsort, "ionsort/D");


	timeoffset = -0.050; //offset between ic and bpm readouts
	mwoffset = 2; // offset for timestamped event. MW chamber position correlation seems to be better in other windows
	timewindow = -0.0999; //should be a negative number. window size in time to average over.
	timeoffset2 = -0.00; //offset between ic and bpm readouts
	timewindow2 = -0.0999; //should be a negative number. window size in time to average over.
	//////////////////////////////////////////////////////////////////
	///// ETHERCAT DATA
	//////////////////////////////////////////////////////////////////
	//		tree->SetBranchAddress("time", &time);
      
	tree2->SetBranchAddress("RELTIME2", &rel_time2);
	tree2->SetBranchAddress("TIME2", &time2);
	tree2->SetBranchAddress("IC1", &ic1);
	//    tree2->SetBranchAddress("IC2", &ic2);
	//tree2->SetBranchAddress("MW1_FOCUSX", &mw1_focusx);
	//tree2->SetBranchAddress("MW1_FOCUSY", &mw1_focusy);
	///tree2->SetBranchAddress("MW2_FOCUSX", &mw2_focusx);
	///tree2->SetBranchAddress("MW2_FOCUSY", &mw2_focusy);
	tree2->SetBranchAddress("MW1_POSX", &mw1_posx);
	tree2->SetBranchAddress("MW1_POSY", &mw1_posy);
	//tree2->SetBranchAddress("MW2_POSX", &mw2_posx);
	//tree2->SetBranchAddress("MW2_POSY", &mw2_posy);
	tree2->SetBranchAddress("ENERGY_INDEX", &energy_index);
	tree2->SetBranchAddress("INTENSITY_INDEX", &intensity_index);
	tree2->SetBranchAddress("ION-SORT", &ionsort);
	tree2->SetBranchAddress("ANALOG_IN1", &analog_in1);
      }




      int currentEntryTree2 = 1;

      //	int nevents = tree->GetEntries();
      int nevents2 = tree2->GetEntries();

      int icCounter = 0;
      
      int count = 0;
      int count2 = 0;
      
      //loop through recorded data frames
      for (int frame = 0; frame<fileframesize; frame++){
	//	if (icCounter>10000) break;
	//	if(frame>2000&&frame<120000) continue;
	eventID = frame;
	if (ethercat){
	  if (timestampfile) timestampfile >> time ;  
	  //printf("%i %f\n", eventID, time); 
	
	  count= 0;
	  count2 = 0;
	  ic1_avg = 0.;
	  mw1_posx_avg = 0.;
	  mw1_posy_avg = 0.; 
	  tree2->GetEntry(currentEntryTree2);
	
        
	  /*  if (frame % 100 == 0)
	      {

	      printf("merging event %d ,", frame);
	      printf("Time %f \n", time);
	      printf("Entry hit %d ,", currentEntryTree2);
	      printf("Time hit %f \n", time2);
	      }
	  */
	
	  while (time2 <  time + timeoffset && currentEntryTree2 < nevents2 )
	    {
	      if (time2 - time - timeoffset >  timewindow)
		{
		  tree2->GetEntry(currentEntryTree2);
			    
		  if (ic1>0.0) ic1_avg += ic1;
			    
		  if (ic1>0.0) count++;
		  //	        if (frame % 200 == 0) printf("%i %2.3f %2.3f  %2.3f  %2.3f %2.3f %i \n", count, ic1, time2, time, timeoffset, time2 - time - timeoffset, mwoffset);
		}
	  	
	      tree2->GetEntry(currentEntryTree2);
			
	      if ( time2 - time - timeoffset2 > timewindow2)
		{
		  tree2->GetEntry(currentEntryTree2 + mwoffset); //why currentEtryTree2-4?
		  mw1_posx_avg += mw1_posx;
		  mw1_posy_avg += mw1_posy;
		  count2++;
		  //  if (i % 2000 == 0) printf("%i  %2.3f  %2.3f  %2.3f  %2.3f\n", count2, time, time2, ic1, mw1_posx);
		  //if (i % 2001 == 0) printf("%i  %2.3f  %2.3f  %2.3f  %2.3f\n", count2, time, time2, ic1, mw1_posx);
		  // if (i % 2002 == 0) printf("%i  %2.3f  %2.3f  %2.3f  %2.3f\n", count2, time, time2, ic1, mw1_posx);
		  // printf("%i  %2.3f  %2.3f  %2.3f  %2.3f\n", count2, time, time2, ic1, mw1_posx);
		}
	      // currentEntryTree2++;
	      tree2->GetEntry(currentEntryTree2);
	      currentEntryTree2++;
			
	  
		
		
	      if (count2>0){
		mw1_posx_avg /= double(count2); //the positions are weighted by the charge
		mw1_posy_avg /= double(count2);
	      }
	      if(count>0){
		ic1_avg /= double(count);
		if (ic1_avg>1.) icCounter++;
		//   if (frame % 2000 == 0) printf("%i %f.2 %i \n", count, ic1_avg, icCounter);  
	      }
	      //	    std::cout << ic1_avg << " " << icCounter << std::endl;
	   

	    }
	  /////////end of ethercat matching

	  if (floor(energy_index/10.)>=0&&floor(energy_index/10)<=26){energy_indexbin = floor(energy_index/10.);}
	  else {energy_indexbin=27;}


	  if (ionsort==3){
	    //protons
	    energy = energy_list_p[ energy_indexbin];
	    intensity = intensity_list_p[ int(intensity_index) ]; 
	    sp_air = f_sp_air->Eval(energy)*(intensity/1.0E6);
	    sp_ps = f_sp_ps->Eval(energy)*(intensity/1.0E6);
	    sp2_air = f_sp_air->Eval(energy);
	    sp2_ps = f_sp_ps->Eval(energy);
	    lorentz_gamma = energy/938.272 +1.; // lorentz_gamma = E_u/M_u +1
	    mybeta = sqrt(1. - 1./(lorentz_gamma*lorentz_gamma));
	    zsqr = 1.;
	  }
	  else if (ionsort==1){
	    //helium
	    energy = energy_list_he[ energy_indexbin ];
	    intensity = intensity_list_he[ int(intensity_index) ]; 
	    sp_air = f_h2sp_air->Eval(energy)*(intensity/1.0E6);
	    sp_ps = f_h2sp_ps->Eval(energy)*(intensity/1.0E6);
	    sp2_air = f_h2sp_air->Eval(energy);
	    sp2_ps = f_h2sp_ps->Eval(energy);
	    lorentz_gamma = energy/932.1055 +1.;// lorentz_gamma = E_u/M_u +1
	    mybeta = sqrt(1. - 1./(lorentz_gamma*lorentz_gamma));
	    zsqr = 4.;

	  }
	  else if (ionsort==4){
	    //carbon
	    energy = energy_list_c[ energy_indexbin];
	    intensity = intensity_list_c[ int(intensity_index) ]; 

	    sp_air = f_c12sp_air->Eval(energy)*(intensity/1.0E6);
	    sp_ps = f_c12sp_ps->Eval(energy)*(intensity/1.0E6);
	    sp2_air = f_c12sp_air->Eval(energy);
	    sp2_ps = f_c12sp_ps->Eval(energy);
	    lorentz_gamma = energy/932.3539 +1.;// lorentz_gamma = E_u/M_u +1
	    mybeta = sqrt(1. - 1./(lorentz_gamma*lorentz_gamma));
	    zsqr = 36.;

	  }
	  else if (ionsort==2){
	    //oxygen
	    energy = energy_list_o[ energy_indexbin];
	    intensity = intensity_list_o[ int(intensity_index) ]; 
	    sp_air = f_o16sp_air->Eval(energy)*(intensity/1.0E6);
	    sp_ps = f_o16sp_ps->Eval(energy)*(intensity/1.0E6);
	    sp2_air = f_o16sp_air->Eval(energy);
	    sp2_ps = f_o16sp_ps->Eval(energy);
	    lorentz_gamma = energy/931.4418 +1.;// lorentz_gamma = E_u/M_u +1 
	    mybeta = sqrt(1. - 1./(lorentz_gamma*lorentz_gamma));
	    zsqr = 64.;
       
	  }
	  else {
	    sp_air = -1.;
	    sp_ps = -1.;
	    sp2_air = -1.;
	    sp2_ps = -1.; 
	    lorentz_gamma = 0.;
	    mybeta = 0.;
	    zsqr = -1.;
       
	  }
	  //  intcorr = (Intensity /19.8E6) / (totalcurrent/sp2_air/totaltime);
	  intcorr = (intensity / 19.8E6) / (ic1_avg/sp2_air)/ 3.11;


	  //  if (frame>2000&&ic1_avg<0.5) continue;
	}

	///////////////////////////////////
	//// HIT DATA
	///////////////////////////////////
	if (frame>2000 && beam_wason == true && beam_off == true) { beamoffcounter++;
	  //  cout << beamoffcounter<< endl;
	}
	if (samplenoise==false && frame> 2000 && beam_wason == true && beam_off == true && beamoffcounter==5000) {
	  samplenoise = true; 
	}

	//board_b 0
	board_b=0;
	signal_b0 = 0.;
	maxchannelamp_b0 = 0.;

	file.seekg(framestart*sizeof(BufferData)+board_b*sizeof(BufferData)+4*frame*sizeof(BufferData));
	file.read ((char*)dataptr ,sizeof(BufferData));
	if (dataptr->sync_frame.device_nr==board_b){
	  //	  std::cout << frame << " " << dataptr->sync_frame.device_nr <<  " " << dataptr->sync_frame.local_ctr << " " << dataptr->sync_frame.global_ctr << " " << dataptr->sync_frame.sma_state << std::endl;
	  if (frame%10000==0) std::cout << "Frame: " <<  frame << " (" <<double(frame)/double(fileframesize)*100.0 << "%)" << std::endl;

	  arrayavg_b0 = 0;
	  //shift the events of the rolling average of the signal one left
	  for (int j = 1; j<length;j++){
	    array_b0[j-1] = array_b0[j];
	    arrayavg_b0 += array_b0[j-1];
	    //    cout << array_b0[j-1] << " ";
	  }
	  array_b0[length-1] = 0.;
	  //	  cout << endl;
	  
	  ///loop over the channels
	  for (int i = 0;i<128;i++){
	    board_b0_ch[i] = dataptr->sensor_data[i];
	    if (frame<1000 || samplenoise==true){
	      if (samplenoise==true&& beamoffcounter==5000) {
		board_b0_ch_bkg[i]=0.;
		if(i==0) cout << frame << "  Resampling noise  " << beamoffcounter << endl;
	      }
	      board_b0_ch_bkg[i] +=  board_b0_ch[i]/1000.; //find baseline from the average of first 1000 events
	      if (samplenoise==true && beamoffcounter==6000) {
		beam_wason = false;
		samplenoise =false;
	       	cout << frame <<  "  End sampling." << endl;	      
	      }
	    }
	    else if (frame>=1000&& frame<2000){ 
	      board_b0_ch[i] -=  board_b0_ch_bkg[i]; //histogram the subtracted  baseline in the next 1000 events
	      th2_signal_vs_channel_bkg_b0->Fill(i,board_b0_ch[i]);
	      if (i==1) graph_bkg_b0->SetPoint(graph_bkg_b0->GetN(), frame, board_b0_ch[i]);
	    }
	    else if (frame>=2000 && samplenoise==false) {
	      board_b0_ch[i]-=board_b0_ch_bkg[i]; // the rest background subtracted
	      // board_b0_ch[i]*=calibration_b0[i]; //calibration factor
	      th2_signal_vs_channel_b0->Fill(i,board_b0_ch[i]);

	      //find the peak channel
	      if (board_b0_ch[i]> maxchannelamp_b0) {
		maxchannel_b0 = i;
		maxchannelamp_b0 = board_b0_ch[i];
		//	cout << maxchannel_b0 << " " <<maxchannelamp_b0 << endl;
	      }

	      ///add new event to the rolling average. 
	      if( board_b0_ch[i]>50.0){ 
		array_b0[length-1] +=  board_b0_ch[i];
	      }
	      ////////////////////////////////////////////
	    }
	    
	      
	  }//end of 128
	  //	th1_signal_b0->Fill(signal_b0);
	  if (frame>2000) {
	    arrayavg_b0 +=  array_b0[length-1]/length;
	    if (arrayavg_b0>= 20000) {
	      beamoncounter++;
	    }
	    if (beamoncounter>1000 && beam_wason == false && arrayavg_b0>= 20000) {
	      beam_off = false;
	      beam_wason = true;
	      cout << frame << "  Beam on " << arrayavg_b0 << endl;
	    }
	    if (arrayavg_b0< 10000) {
	      if(beam_wason== true && beam_off==false ) {
		cout << frame << "Beam went OFF!" << arrayavg_b0 << endl;
		beamoffcounter = 0;
	      }
	      beam_off = true;
	     
	    }
	  }

	  //	  cout << frame << "  Rolling average: " << arrayavg_b0 << endl;// "   ic: " << ic1_avg << endl;
		
	}
	else {
	  std::cout << "Error." << std::endl;
	}

	//board_b 1
	board_b=1; 
	signal_b1 = 0.;
	maxchannelamp_b1 = 0.;

	file.seekg(framestart*sizeof(BufferData)+board_b*sizeof(BufferData)+4*frame*sizeof(BufferData));
	file.read ((char*)dataptr ,sizeof(BufferData));
	if (dataptr->sync_frame.device_nr==board_b){
	  //	  std::cout << frame << " " << dataptr->sync_frame.device_nr <<  " " << dataptr->sync_frame.local_ctr << " " << dataptr->sync_frame.global_ctr << " " << dataptr->sync_frame.sma_state << std::endl;
	 

	  arrayavg_b1 = 0;
	  //shift the events of the rolling average of the signal one left
	  for (int j = 1; j<length;j++){
	    array_b1[j-1] = array_b1[j];
	    arrayavg_b1 += array_b1[j-1];
	    //    cout << array_b1[j-1] << " ";
	  }
	  array_b1[length-1] = 0.;
	  //	  cout << endl;
	  
	  ///loop over the channels
	  for (int i = 0;i<128;i++){
	    board_b1_ch[i] = dataptr->sensor_data[i];
	    if (frame<1000){ 
	      board_b1_ch_bkg[i] +=  board_b1_ch[i]/1000.; //find baseline from the average of first 1000 events
	    
	    }
	    else if (frame>=1000&& frame<2000){ 
	      board_b1_ch[i] -=  board_b1_ch_bkg[i]; //histogram the subtracted  baseline in the next 1000 events
	      th2_signal_vs_channel_bkg_b1->Fill(i,board_b1_ch[i]);
	      if (i==1) graph_bkg_b1->SetPoint(graph_bkg_b1->GetN(), frame, board_b1_ch[i]);
	    }
	    else if (frame>=2000) {
	      board_b1_ch[i]-=board_b1_ch_bkg[i]; // the rest background subtracted
	      // board_b1_ch[i]*=calibration_b1[i]; //calibration factor
	      th2_signal_vs_channel_b1->Fill(i,board_b1_ch[i]);

	      //find the peak channel
	      if (board_b1_ch[i]> maxchannelamp_b1) {
		maxchannel_b1 = i;
		maxchannelamp_b1 = board_b1_ch[i];
		//	cout << maxchannel_b1 << " " <<maxchannelamp_b1 << endl;
	      }

	      ///add new event to the rolling average. 
	      if( board_b1_ch[i]>50.0){ 
		array_b1[length-1] +=  board_b1_ch[i];
	      }
	      ////////////////////////////////////////////
	    }
	    
	      
	  }//end of 128
	  //	th1_signal_b1->Fill(signal_b1);
	  arrayavg_b1 +=  array_b1[length-1]/length;

	  //	  cout << frame << "  Rolling average: " << arrayavg_b1 << endl;// "   ic: " << ic1_avg << endl;
		
	}
	else {
	  std::cout << "Error." << std::endl;
	}


	//board_b 2
	board_b=2;
	signal_b2 = 0.;
	maxchannelamp_b2 = 0.;

	file.seekg(framestart*sizeof(BufferData)+board_b*sizeof(BufferData)+4*frame*sizeof(BufferData));
	file.read ((char*)dataptr ,sizeof(BufferData));
	if (dataptr->sync_frame.device_nr==board_b){
	  //	  std::cout << frame << " " << dataptr->sync_frame.device_nr <<  " " << dataptr->sync_frame.local_ctr << " " << dataptr->sync_frame.global_ctr << " " << dataptr->sync_frame.sma_state << std::endl;
 	 

	  arrayavg_b2 = 0;
	  //shift the events of the rolling average of the signal one left
	  for (int j = 1; j<length;j++){
	    array_b2[j-1] = array_b2[j];
	    arrayavg_b2 += array_b2[j-1];
	    //    cout << array_b2[j-1] << " ";
	  }
	  array_b2[length-1] = 0.;
	  //	  cout << endl;
	  
	  ///loop over the channels
	  for (int i = 0;i<128;i++){
	    board_b2_ch[i] = dataptr->sensor_data[i];
	    if (frame<1000){ 
	      board_b2_ch_bkg[i] +=  board_b2_ch[i]/1000.; //find baseline from the average of first 1000 events
	    
	    }
	    else if (frame>=1000&& frame<2000){ 
	      board_b2_ch[i] -=  board_b2_ch_bkg[i]; //histogram the subtracted  baseline in the next 1000 events
	      th2_signal_vs_channel_bkg_b2->Fill(i,board_b2_ch[i]);
	      if (i==1) graph_bkg_b2->SetPoint(graph_bkg_b2->GetN(), frame, board_b2_ch[i]);
	    }
	    else if (frame>=2000) {
	      board_b2_ch[i]-=board_b2_ch_bkg[i]; // the rest background subtracted
	      // board_b2_ch[i]*=calibration_b2[i]; //calibration factor
	      th2_signal_vs_channel_b2->Fill(i,board_b2_ch[i]);

	      //find the peak channel
	      if (board_b2_ch[i]> maxchannelamp_b2) {
		maxchannel_b2 = i;
		maxchannelamp_b2 = board_b2_ch[i];
		//	cout << maxchannel_b2 << " " <<maxchannelamp_b2 << endl;
	      }

	      ///add new event to the rolling average. 
	      if( board_b2_ch[i]>50.0){ 
		array_b2[length-1] +=  board_b2_ch[i];
	      }
	      ////////////////////////////////////////////
	    }
	    
	      
	  }//end of 128
	  //	th1_signal_b2->Fill(signal_b2);
	  arrayavg_b2 +=  array_b2[length-1]/length;

	  //	  cout << frame << "  Rolling average: " << arrayavg_b2 << endl;// "   ic: " << ic1_avg << endl;
		
	}
	else {
	  std::cout << "Error." << std::endl;
	}
	

	//board_b 3
	board_b=3;
	signal_b3 = 0.;
	maxchannelamp_b3 = 0.;

	file.seekg(framestart*sizeof(BufferData)+board_b*sizeof(BufferData)+4*frame*sizeof(BufferData));
	file.read ((char*)dataptr ,sizeof(BufferData));
	if (dataptr->sync_frame.device_nr==board_b){
	  //	  std::cout << frame << " " << dataptr->sync_frame.device_nr <<  " " << dataptr->sync_frame.local_ctr << " " << dataptr->sync_frame.global_ctr << " " << dataptr->sync_frame.sma_state << std::endl;
	 
	  arrayavg_b3 = 0;
	  //shift the events of the rolling average of the signal one left
	  for (int j = 1; j<length;j++){
	    array_b3[j-1] = array_b3[j];
	    arrayavg_b3 += array_b3[j-1];
	    //    cout << array_b3[j-1] << " ";
	  }
	  array_b3[length-1] = 0.;
	  //	  cout << endl;
	  
	  ///loop over the channels
	  for (int i = 0;i<128;i++){
	    board_b3_ch[i] = dataptr->sensor_data[i];
	    if (frame<1000){ 
	      board_b3_ch_bkg[i] +=  board_b3_ch[i]/1000.; //find baseline from the average of first 1000 events
	    
	    }
	    else if (frame>=1000&& frame<2000){ 
	      board_b3_ch[i] -=  board_b3_ch_bkg[i]; //histogram the subtracted  baseline in the next 1000 events
	      th2_signal_vs_channel_bkg_b3->Fill(i,board_b3_ch[i]);
	      if (i==1) graph_bkg_b3->SetPoint(graph_bkg_b3->GetN(), frame, board_b3_ch[i]);
	    }
	    else if (frame>=2000) {
	      board_b3_ch[i]-=board_b3_ch_bkg[i]; // the rest background subtracted
	      // board_b3_ch[i]*=calibration_b3[i]; //calibration factor
	      th2_signal_vs_channel_b3->Fill(i,board_b3_ch[i]);

	      //find the peak channel
	      if (board_b3_ch[i]> maxchannelamp_b3) {
		maxchannel_b3 = i;
		maxchannelamp_b3 = board_b3_ch[i];
		//	cout << maxchannel_b3 << " " <<maxchannelamp_b3 << endl;
	      }

	      ///add new event to the rolling average. 
	      if( board_b3_ch[i]>50.0){ 
		array_b3[length-1] +=  board_b3_ch[i];
	      }
	      ////////////////////////////////////////////
	    }
	    
	      
	  }//end of 128
	  //	th1_signal_b3->Fill(signal_b3);
	  arrayavg_b3 +=  array_b3[length-1]/length;

	  //	  cout << frame << "  Rolling average: " << arrayavg_b3 << endl;// "   ic: " << ic1_avg << endl;
		
	}
	else {
	  std::cout << "Error." << std::endl;
	}
	

	////////////////////////////////////////////////////////////
	////////////////////////////////////////////////////////////
	//start the signal analysis
	////////////////////////////////////////////////////////////
	////////////////////////////////////////////////////////////
	
	if (frame>=2000&&beam_off == false&&beam_wason == true){






	  ////////////////////////////////////////////////////////////
	  //find the approx FWHM
	  ////////////////////////////////////////////////////////////
	
	  nfwhm_b0 =0;
	  nfwhm_b1 =0;
	  nfwhm_b2 =0;
	  nfwhm_b3 =0;

	  for (int i = 0;i<128;i++){
	    if (board_b0_ch[i] > maxchannelamp_b0/3.) nfwhm_b0++; //switched to a lower threshold 1/3 instead of 1/2
	    if (board_b1_ch[i] > maxchannelamp_b1/3.) nfwhm_b1++;
	    if (board_b2_ch[i] > maxchannelamp_b2/3.) nfwhm_b2++;
	    if (board_b3_ch[i] > maxchannelamp_b3/3.) nfwhm_b3++;
	    signal_gsl_b0[i] = 0.;
	    signal_gsl_b1[i] = 0.;
	    signal_gsl_b2[i] = 0.;
	    signal_gsl_b3[i] = 0.;

	  }
	  
	  

	  


	  ////////////////////////////////////////////////////////////
	  //integrate under the approximate peak
	  //build the channel list for statistical analysis
	  ////////////////////////////////////////////////////////////

	  numtocalc_b0 = 0;
	  numtocalc_b1 = 0;
	  numtocalc_b2 = 0;
	  numtocalc_b3 = 0;
	  signal_b0 = 0.;

	  
	  // cout << energy_indexbin << endl;
	  for (int i = maxchannel_b0-nfwhm_b0 ; i <= maxchannel_b0 + nfwhm_b0; i++){
	    if (i>=0 && i<=127 && board_b0_ch[i]>0){
	      signal_b0 +=board_b0_ch[i];
	      signal_gsl_b0[numtocalc_b0]=board_b0_ch[i];
	      // channellist_gsl_b0[numtocalc_b0] = i;
	      channellist_gsl_b0[numtocalc_b0] = pos[i];
	      numtocalc_b0++;
	    }
	  }
	  th1_signal_b0->Fill(signal_b0); //cout << signal_b0 << endl;
	  if (ic1_avg>0.1) h_beamSignal_b0[energy_indexbin]->Fill(signal_b0);
	
	  
	  signal_b1 = 0.;
	  for (int i = maxchannel_b1-nfwhm_b1 ; i <= maxchannel_b1 + nfwhm_b1; i++){
	    if (i>=0 && i<=127&&board_b1_ch[i]>0){
	      signal_b1 +=board_b1_ch[i] ;
	      signal_gsl_b1[numtocalc_b1]=board_b1_ch[i];
	      // channellist_gsl_b1[numtocalc_b1] = i;
	      channellist_gsl_b1[numtocalc_b1] = pos[i];
	      numtocalc_b1++;
	    }
	  }
	  th1_signal_b0->Fill(signal_b1);
	  if (ic1_avg>0.1) h_beamSignal_b1[energy_indexbin]->Fill(signal_b1);

	  
	  signal_b2 = 0.;
	  for (int i = maxchannel_b2-nfwhm_b2 ; i <= maxchannel_b2 + nfwhm_b2; i++){
	    if (i>=0 && i<=127&&board_b2_ch[i]>0){
	      signal_b2 +=board_b2_ch[i];
	      signal_gsl_b2[numtocalc_b2]=board_b2_ch[i];
	      // channellist_gsl_b2[numtocalc_b2] = i;
	      channellist_gsl_b2[numtocalc_b2] = pos[i];
	      numtocalc_b2++;
	    }
	  }

	  th1_signal_b0->Fill(signal_b2);
	  if (ic1_avg>0.1) h_beamSignal_b2[energy_indexbin]->Fill(signal_b2);

	  signal_b3 = 0.;
	  for (int i = maxchannel_b3-nfwhm_b3 ; i <= maxchannel_b3 + nfwhm_b3; i++){
	    if (i>=0 && i<=127&&board_b3_ch[i]>0){
	      signal_b3 +=board_b3_ch[i];
	      signal_gsl_b3[numtocalc_b3]=board_b3_ch[i];
	      //channellist_gsl_b3[numtocalc_b3] = i;
	      channellist_gsl_b3[numtocalc_b3] = pos[i];
	      numtocalc_b3++;
	    }
	  }
	  th1_signal_b0->Fill(signal_b3);
	  if (ic1_avg>0.1) {h_beamSignal_b3[energy_indexbin]->Fill(signal_b3);
	    h_beamSignal_ic1[energy_indexbin]->Fill(ic1_avg);
	  }

	  
	  signal_cor_b0 = signal_b0*intcorr/(intensity/1.E6)/sp2_ps;
	  signal_cor_b1 = signal_b1*intcorr/(intensity/1.E6)/sp2_ps;
	  signal_cor_b2 = signal_b2*intcorr/(intensity/1.E6)/sp2_ps;
	  signal_cor_b3 = signal_b3*intcorr/(intensity/1.E6)/sp2_ps;
	  if (signal_cor_b0 >0.05 && signal_cor_b0 < 10.) {h_beamSignal_cor_b0[energy_indexbin]->Fill(signal_cor_b0);}
	  if (signal_cor_b1 >0.05 && signal_cor_b1 < 10.) {h_beamSignal_cor_b1[energy_indexbin]->Fill(signal_cor_b1);}
	  if (signal_cor_b2 >0.05 && signal_cor_b2 < 10.) {h_beamSignal_cor_b2[energy_indexbin]->Fill(signal_cor_b2);}
	  if (signal_cor_b3 >0.05 && signal_cor_b3 < 10.) {h_beamSignal_cor_b3[energy_indexbin]->Fill(signal_cor_b3);}

	  ///////////////// linear regression using Integration by parts of gaussian function.
	  
	  if (doLinInt&&numtocalc_b0>=3&&numtocalc_b1>=3&&numtocalc_b2>=3&&numtocalc_b3>=3){
	    for (int j = 0; j<=4; j++){
	      if (j== 0) {
		copy(signal_gsl_b0,signal_gsl_b0+128, signal_reg);
		copy(channellist_gsl_b0,channellist_gsl_b0+128, channellist_reg);
		numtocalc_reg = numtocalc_b0;		
	      }
	      else if (j== 1) {
		copy(signal_gsl_b1,signal_gsl_b1+128, signal_reg);
		copy(channellist_gsl_b1,channellist_gsl_b1+128, channellist_reg);
		numtocalc_reg = numtocalc_b1;
	      }
	      else if (j== 2) {
		copy(signal_gsl_b2,signal_gsl_b2+128, signal_reg);
		copy(channellist_gsl_b2,channellist_gsl_b2+128, channellist_reg);
		numtocalc_reg = numtocalc_b2;
	      }
	      else if (j== 3) {
		copy(signal_gsl_b3,signal_gsl_b3+128, signal_reg);
		copy(channellist_gsl_b3,channellist_gsl_b3+128, channellist_reg);
		numtocalc_reg = numtocalc_b3;
	      }
	      SumY = 0.;
	      SumS = 0.;
	      SumT = 0.;
	      SumS2 = 0.;
	      SumST = 0.;
	      SumT2 = 0.;
	      SumYS = 0.;
	      SumYT = 0.;
	      b_den = 0.;
	      b_num = 0.;
	      b = 0.;
	      SumYYM = 0.;
	      SumYYP = 0.;
	      MeanY = 0.;
		
	    
	      for(int k=0; k<numtocalc_b0;k++){
		if (k==0){
		  S[k]=0.;		T[k]=0.;
		}
		else{
		  S[k] = S[k-1]+0.5*( signal_reg[k] + signal_reg[k-1] ) *  ( channellist_reg[k] - channellist_reg[k-1] );
		  T[k] = T[k-1]+0.5*( channellist_reg[k] * signal_reg[k] + channellist_reg[k-1] * signal_reg[k-1] ) * ( channellist_reg[k] - channellist_reg[k-1] );
		}
		//  cout << S[k] << " " << T[k] << endl;
		SumS += S[k];	      SumT += T[k];
		SumY += signal_reg[k];
		SumS2 += S[k]*S[k]; 	      SumST += S[k]*T[k];	      SumT2 += T[k]*T[k];
		SumYS += signal_reg[k]*S[k];
		SumYT += signal_reg[k]*T[k];
		MeanY+=signal_reg[k];
	      }
	      MeanY/=numtocalc_reg;

	      
	      M1(0,0) = SumT2;	      M1(0,1) = SumST;	      M1(0,2) = SumT;	      M1(1,0) = SumST;	      M1(1,1) = SumS2;
	      M1(1,2) = SumS;	      M1(2,0) = SumT;	      M1(2,1) = SumS;
	      M1(2,2) = numtocalc_reg;
  
	      M2(0) = SumYT;	      M2(1) = SumYS;	      M2(2) = SumY;
    	      M1inv = M1.Invert();	      ABC = M1inv * M2;

	     

	      
	      //calculate b,p,c ---> y = b*exp(-p*(x-c)*(x-c))
	      p = -ABC(0)/2.;	     c = -ABC(1)/ABC(0);

	      for(int k=0; k<numtocalc_reg;k++){
		b_num += exp(-p*(channellist_reg[k]-c)*(channellist_reg[k]-c)) * signal_reg[k];
		b_den +=  exp(-2*p*(channellist_reg[k]-c)*(channellist_reg[k]-c));
		
	      }
	      b = b_num/b_den;


	      //calculate R-squared
	      ///residual plots (should be normally distributed). They are normalised to the standard error of the baseline (17 ADC units)

	      for(int k=0; k<numtocalc_reg;k++){
		SumYYM+= (signal_reg[k]-MeanY)*(signal_reg[k]-MeanY);
		SumYYP+= (b*exp(-p*(channellist_reg[k]-c)*(channellist_reg[k]-c)) - MeanY )*(b*exp(-p*(channellist_reg[k]-c)*(channellist_reg[k]-c)) - MeanY );
		
		if (j == 0) {
		  h_regresidual_b0->Fill((b*exp(-p*(channellist_reg[k]-c)*(channellist_reg[k]-c)) - signal_reg[k])/signal_reg[k]);
		  th2_resid_vs_channel_bkg_b0->Fill(channellist_reg[k],(b*exp(-p*(channellist_reg[k]-c)*(channellist_reg[k]-c)) - signal_reg[k])/signal_reg[k]);
		}
		if (j == 1) {
		  h_regresidual_b1->Fill((b*exp(-p*(channellist_reg[k]-c)*(channellist_reg[k]-c)) - signal_reg[k])/signal_reg[k]);
		  th2_resid_vs_channel_bkg_b1->Fill(channellist_reg[k],(b*exp(-p*(channellist_reg[k]-c)*(channellist_reg[k]-c)) - signal_reg[k])/signal_reg[k]);
		}		
		if (j == 2) {
		  h_regresidual_b2->Fill((b*exp(-p*(channellist_reg[k]-c)*(channellist_reg[k]-c)) - signal_reg[k])/signal_reg[k]);
		  th2_resid_vs_channel_bkg_b2->Fill(channellist_reg[k],(b*exp(-p*(channellist_reg[k]-c)*(channellist_reg[k]-c)) - signal_reg[k])/signal_reg[k]);
		}
		if (j == 3) {
		  h_regresidual_b3->Fill((b*exp(-p*(channellist_reg[k]-c)*(channellist_reg[k]-c)) - signal_reg[k])/signal_reg[k]);
		  th2_resid_vs_channel_bkg_b3->Fill(channellist_reg[k],(b*exp(-p*(channellist_reg[k]-c)*(channellist_reg[k]-c)) - signal_reg[k])/signal_reg[k]);
		}
		
	      }
	      //   cout << "R-squared = " << SumYYP/SumYYM << endl;


	      //final results

	      if (j == 0) {
		beamFocusX_reg_b0 = 2.3548/sqrt(2*p);
		beamPosX_reg_b0 = -ABC(1)/ ABC(0);
		beamPeakX_reg_b0 = b;
		beamRsqr_b0 = SumYYP/SumYYM;
		beamSkewX_b0 = gsl_stats_wskew_m_sd(signal_reg,1,channellist_reg,1,numtocalc_reg,beamPosX_reg_b0,beamFocusX_reg_b0/2.3548); //skewness (symmetry)
		beamKurtX_b0 = gsl_stats_wkurtosis_m_sd(signal_reg,1,channellist_reg,1,numtocalc_reg,beamPosX_reg_b0,beamFocusX_reg_b0/2.3548); //excess kurtosis (well behaved tails)
		
		M1elements_b0[0] = SumT2;
		M1elements_b0[1] = SumST;
		M1elements_b0[2] = SumT;
		M1elements_b0[3] = SumST;
		M1elements_b0[4] = SumS2;
		M1elements_b0[5] = SumS;
		M1elements_b0[6] = SumT;
		M1elements_b0[7] = SumS;
		M1elements_b0[8] = numtocalc_reg;
	      }
	      else if (j == 1) {
		beamFocusX_reg_b1 = 2.3548/sqrt(2*p);
		beamPosX_reg_b1 = -ABC(1)/ ABC(0);
		beamPeakX_reg_b1 = b;
		
		beamRsqr_b1 = SumYYP/SumYYM;
		beamSkewX_b1 = gsl_stats_wskew_m_sd(signal_reg,1,channellist_reg,1,numtocalc_reg,beamPosX_reg_b1,beamFocusX_reg_b1/2.3548); //skewness (symmetry)
		beamKurtX_b1 = gsl_stats_wkurtosis_m_sd(signal_reg,1,channellist_reg,1,numtocalc_reg,beamPosX_reg_b1,beamFocusX_reg_b1/2.3548); //excess kurtosis (well behaved tails)
		
		M1elements_b0[0] = SumT2;
		M1elements_b1[1] = SumST;
		M1elements_b1[2] = SumT;
		M1elements_b1[3] = SumST;
		M1elements_b1[4] = SumS2;
		M1elements_b1[5] = SumS;
		M1elements_b1[6] = SumT;
		M1elements_b1[7] = SumS;
		M1elements_b1[8] = numtocalc_reg;

	      }
	      else if (j == 2) {
		beamFocusX_reg_b2 = 2.3548/sqrt(2*p);
		beamPosX_reg_b2 = -ABC(1)/ ABC(0);
		beamPeakX_reg_b2 = b;

		beamRsqr_b2 = SumYYP/SumYYM;
		beamSkewX_b2 = gsl_stats_wskew_m_sd(signal_reg,1,channellist_reg,1,numtocalc_reg,beamPosX_reg_b2,beamFocusX_reg_b2/2.3548); //skewness (symmetry)
		beamKurtX_b2 = gsl_stats_wkurtosis_m_sd(signal_reg,1,channellist_reg,1,numtocalc_reg,beamPosX_reg_b2,beamFocusX_reg_b2/2.3548); //excess kurtosis (well behaved tails)
		
		M1elements_b2[0] = SumT2;
		M1elements_b2[1] = SumST;
		M1elements_b2[2] = SumT;
		M1elements_b2[3] = SumST;
		M1elements_b2[4] = SumS2;
		M1elements_b2[5] = SumS;
		M1elements_b2[6] = SumT;
		M1elements_b2[7] = SumS;
		M1elements_b2[8] = numtocalc_reg;
	      }
	      else if (j == 3) {
		beamFocusX_reg_b3 = 2.3548/sqrt(2*p);
		beamPosX_reg_b3 = -ABC(1)/ ABC(0);
		beamPeakX_reg_b3 = b;
		beamRsqr_b3 = SumYYP/SumYYM;
		beamSkewX_b3 = gsl_stats_wskew_m_sd(signal_reg,1,channellist_reg,1,numtocalc_reg,beamPosX_reg_b3,beamFocusX_reg_b3/2.3548); //skewness (symmetry)
		beamKurtX_b3 = gsl_stats_wkurtosis_m_sd(signal_reg,1,channellist_reg,1,numtocalc_reg,beamPosX_reg_b3,beamFocusX_reg_b3/2.3548); //excess kurtosis (well behaved tails)

		M1elements_b0[0] = SumT2;
		M1elements_b3[1] = SumST;
		M1elements_b3[2] = SumT;
		M1elements_b3[3] = SumST;
		M1elements_b3[4] = SumS2;
		M1elements_b3[5] = SumS;
		M1elements_b3[6] = SumT;
		M1elements_b3[7] = SumS;
		M1elements_b3[8] = numtocalc_reg;			
	      }

	      
	      
	      

	    }
	  }
	  else if (numtocalc_b0>0&&numtocalc_b1>0) {


	    beamPosX_reg_b0 = gsl_stats_wmean(signal_gsl_b0,1,channellist_gsl_b0,1,numtocalc_b0); //calculate the weighted mean
	    beamFocusX_reg_b0 = gsl_stats_wsd_with_fixed_mean(signal_gsl_b0,1,channellist_gsl_b0,1,numtocalc_b0,beamPosX_reg_b0); //Standard Deviation
	    beamFocusX_reg_b0 *=2.3548;//SD-->FWHM

	    beamPosX_reg_b1 = gsl_stats_wmean(signal_gsl_b1,1,channellist_gsl_b1,1,numtocalc_b1); //calculate the weighted mean
	    beamFocusX_reg_b1 = gsl_stats_wsd_with_fixed_mean(signal_gsl_b1,1,channellist_gsl_b1,1,numtocalc_b1,beamPosX_reg_b1); //Standard Deviation
	    beamNumX_b1 = numtocalc_b1;
	    beamFocusX_reg_b1 *=2.3548;//SD-->FWHM

	    beamPosX_reg_b2 = gsl_stats_wmean(signal_gsl_b2,1,channellist_gsl_b2,1,numtocalc_b2); //calculate the weighted mean
	    beamFocusX_reg_b2 = gsl_stats_wsd_with_fixed_mean(signal_gsl_b2,1,channellist_gsl_b2,1,numtocalc_b2,beamPosX_reg_b2); //Standard Deviation
	    beamNumX_b2 = numtocalc_b2;
	    beamFocusX_reg_b2 *=2.3548;//SD-->FWHM

	    beamPosX_reg_b3 = gsl_stats_wmean(signal_gsl_b3,1,channellist_gsl_b3,1,numtocalc_b3); //calculate the weighted mean
	    beamFocusX_reg_b3 = gsl_stats_wsd_with_fixed_mean(signal_gsl_b3,1,channellist_gsl_b3,1,numtocalc_b3,beamPosX_reg_b3); //Standard Deviation
	    beamNumX_b3 = numtocalc_b3;
	    beamFocusX_reg_b3 *=2.3548;//SD-->FWHM

	    beamRsqr_b0 = .0;
	    beamRsqr_b1 = .0;
	    beamRsqr_b2 = .0;
	    beamRsqr_b3 = .0;

	  }
	  else
	    {
	      beamFocusX_reg_b0 = 0.;
	      beamFocusX_reg_b1 = 0.;
	      beamFocusX_reg_b1 = 0.;
	      beamFocusX_reg_b1 = 0.;
	      beamPosX_reg_b0 = 0.;
	      beamPosX_reg_b1 = 0.;
	      beamPosX_reg_b2 = 0.;
	      beamPosX_reg_b3 = 0.;
	      beamRsqr_b0 = .0;
	      beamRsqr_b1 = .0;
	      beamRsqr_b2 = .0;
	      beamRsqr_b3 = .0;

	    }
	   



	
      

	  
	  rootTree->Fill();

	 
	 
	}
	if (frameend>0 && frame+framestart>=frameend) break;
      }//end of loop over frames


      
      graph_bkg_b0->SetName("graph_bkg_b0"); // graph_bkg_b0->Write();
      graph_bkg_b1->SetName("graph_bkg_b1"); // graph_bkg_b1->Write();
      graph_bkg_b2->SetName("graph_bkg_b2"); // graph_bkg_b2->Write();
      graph_bkg_b3->SetName("graph_bkg_b3"); // graph_bkg_b3->Write();

      // bic1->Fill();
      // bmw1_posx->Fill();
      //bmw1_posy->Fill();

      ///make reduced signal graph.

      for (int jjj = 0; jjj<23;jjj++) {
	//	 beamSignal_cor_b0_mean[jjj] = h_beamSignal_cor_b0[jjj]->GetMean();
	//	 beamSignal_cor_b1_mean[jjj] = h_beamSignal_cor_b1[jjj]->GetMean();
	//	 beamSignal_cor_b2_mean[jjj] = h_beamSignal_cor_b2[jjj]->GetMean();
	//	 beamSignal_cor_b3_mean[jjj] = h_beamSignal_cor_b3[jjj]->GetMean();
	 
	//// get the median (0.5 quantile)
	q = 0.5; // 0.5 for "median"



	 
	if (ionsort==3){
	  //protons
	  energy = energy_list_p[ jjj];
	  intensity = intensity_list_p[ int(intensity_index) ]; 
	  sp_air = f_sp_air->Eval(energy)*(intensity/1.0E6);
	  sp_ps = f_sp_ps->Eval(energy)*(intensity/1.0E6);
	  sp2_air = f_sp_air->Eval(energy);
	  sp2_ps = f_sp_ps->Eval(energy);
	  lorentz_gamma = energy/938.272 +1.; // lorentz_gamma = E_u/M_u +1
	  mybeta = sqrt(1. - 1./(lorentz_gamma*lorentz_gamma));
	  zsqr = 1.;
	}
	else if (ionsort==1){
	  //helium
	  energy = energy_list_he[ jjj ];
	  intensity = intensity_list_he[ int(intensity_index) ]; 
	  sp_air = f_h2sp_air->Eval(energy)*(intensity/1.0E6);
	  sp_ps = f_h2sp_ps->Eval(energy)*(intensity/1.0E6);
	  sp2_air = f_h2sp_air->Eval(energy);
	  sp2_ps = f_h2sp_ps->Eval(energy);
	  lorentz_gamma = energy/932.1055 +1.;// lorentz_gamma = E_u/M_u +1
	  mybeta = sqrt(1. - 1./(lorentz_gamma*lorentz_gamma));
	  zsqr = 4.;

	}
	else if (ionsort==4){
	  //carbon
	  energy = energy_list_c[ jjj];
	  intensity = intensity_list_c[ int(intensity_index) ]; 

	  sp_air = f_c12sp_air->Eval(energy)*(intensity/1.0E6);
	  sp_ps = f_c12sp_ps->Eval(energy)*(intensity/1.0E6);
	  sp2_air = f_c12sp_air->Eval(energy);
	  sp2_ps = f_c12sp_ps->Eval(energy);
	  lorentz_gamma = energy/932.3539 +1.;// lorentz_gamma = E_u/M_u +1
	  mybeta = sqrt(1. - 1./(lorentz_gamma*lorentz_gamma));
	  zsqr = 36.;

	}
	else if (ionsort==2){
	  //oxygen
	  energy = energy_list_o[ jjj];
	  intensity = intensity_list_o[ int(intensity_index) ]; 
	  sp_air = f_o16sp_air->Eval(energy)*(intensity/1.0E6);
	  sp_ps = f_o16sp_ps->Eval(energy)*(intensity/1.0E6);
	  sp2_air = f_o16sp_air->Eval(energy);
	  sp2_ps = f_o16sp_ps->Eval(energy);
	  lorentz_gamma = energy/931.4418 +1.;// lorentz_gamma = E_u/M_u +1
	  mybeta = sqrt(1. - 1./(lorentz_gamma*lorentz_gamma));
	  zsqr = 64.;
       
	}
	else {
	  sp_air = -1.;
	  sp_ps = -1.;
	  sp2_air = -1.;
	  sp2_ps = -1.; 
	  lorentz_gamma = 0.;
	  mybeta = 0.;
	  zsqr = -1.;
       
	}
      
	h_beamSignal_ic1[jjj]->ComputeIntegral(); //just a precaution
	h_beamSignal_ic1[jjj]->GetQuantiles(1,&median, &q);
	//median = h_beamSignal_ic1[jjj]->GetMean();
	//  intcorr = (Intensity /19.8E6) / (totalcurrent/sp2_air/totaltime);
	if (median>0&&energy>0) {intcorr = (intensity / 19.8E6) / (median/sp2_air)/ 3.11;}
	
	//	else if (median>0&&energy>0) {intcorr = 0.; median = 0.;}
	else {intcorr = 0.; median = 0.;}
	
	cout << "energy: " << energy << endl;
	cout << "intensity: " << intensity << endl;
	cout << "sp2_air: " << sp2_air << endl;
	cout << "median: " << median << endl;
	cout << "intcorr: " << intcorr << endl;

	mybeta_graph[jjj] = sqrt(1. - 1./(lorentz_gamma*lorentz_gamma));

	  
	h_beamSignal_b0[jjj]->ComputeIntegral(); //just a precaution
	h_beamSignal_b0[jjj]->GetQuantiles(1,&median, &q);
	beamSignal_cor_b0_mean[jjj] = median*intcorr /(intensity/1.E6)/sp2_ps;
	//beamSignal_cor_b0_mean[jjj] = 	h_beamSignal_b0[jjj]->GetMean()*intcorr /(intensity/1.E6)/sp2_ps;
	cout << beamSignal_cor_b0_mean[jjj] << endl;
	
	h_beamSignal_b1[jjj]->ComputeIntegral(); //just a precaution
	h_beamSignal_b1[jjj]->GetQuantiles(1,&median, &q);
	beamSignal_cor_b1_mean[jjj] = median*intcorr /(intensity/1.E6)/sp2_ps;
	//beamSignal_cor_b1_mean[jjj] = 	h_beamSignal_b1[jjj]->GetMean()*intcorr /(intensity/1.E6)/sp2_ps;

	h_beamSignal_b2[jjj]->ComputeIntegral(); //just a precaution
	h_beamSignal_b2[jjj]->GetQuantiles(1,&median, &q);
       	beamSignal_cor_b2_mean[jjj] = median*intcorr /(intensity/1.E6)/sp2_ps;
	//	beamSignal_cor_b2_mean[jjj] = 	h_beamSignal_b2[jjj]->GetMean()*intcorr /(intensity/1.E6)/sp2_ps;

	h_beamSignal_b3[jjj]->ComputeIntegral(); //just a precaution
	h_beamSignal_b3[jjj]->GetQuantiles(1,&median, &q);
	beamSignal_cor_b3_mean[jjj] = median*intcorr /(intensity/1.E6)/sp2_ps;
	//beamSignal_cor_b3_mean[jjj] = 	h_beamSignal_b3[jjj]->GetMean()*intcorr /(intensity/1.E6)/sp2_ps;

      }
       
      TGraph * graph_b0 = new TGraph(23,mybeta_graph, beamSignal_cor_b0_mean);
      TGraph * graph_b1 = new TGraph(23,mybeta_graph, beamSignal_cor_b1_mean);
      TGraph * graph_b2 = new TGraph(23,mybeta_graph, beamSignal_cor_b2_mean);
      TGraph * graph_b3 = new TGraph(23,mybeta_graph, beamSignal_cor_b3_mean);
       
      graph_b0->SetName("graph_b0");graph_b0->Write();
      graph_b1->SetName("graph_b1");graph_b1->Write();
      graph_b2->SetName("graph_b2");graph_b2->Write();
      graph_b3->SetName("graph_b3");graph_b3->Write();

       
      rootFile->Write();
      rootFile->Close();
    }
    std::cout << eventID << " frames analysed." << std::endl;
    return 0;
  }
  else {
    std::cerr << "Error 1" << std::endl;
    return 1;
  }
  
}

int main(int argc, char **argv){

  analyse(argc, argv);
  
}