//////////////////////////////////////////////////////////
// This class has been automatically generated on
// Tue Feb  7 06:26:06 2017 by ROOT version 6.06/08
// from TChain beam/
//////////////////////////////////////////////////////////

#ifndef hpolar_h
#define hpolar_h

#include <TROOT.h>
#include <TChain.h>
#include <TFile.h>
#include <TSelector.h>
#include <TTreeReader.h>
#include <TTreeReaderValue.h>
#include <TTreeReaderArray.h>
#include <TH2D.h>

#include <iostream>

// Headers needed by this particular selector


class hpolar : public TSelector {
public :
   TTreeReader     fReader;  //!the tree reader
   TTree          *fChain = 0;   //!pointer to the analyzed TTree or TChain

   // Readers to access the data (delete the ones you do not need).
   //TTreeReaderValue<Double_t> Ebeam = {fReader, "Ebeam"};
   //TTreeReaderValue<Double_t> qT = {fReader, "qT"};
   //TTreeReaderValue<Double_t> qTphi = {fReader, "qTphi"};
   //TTreeReaderValue<Double_t> qL = {fReader, "qL"};
   //TTreeReaderValue<Double_t> kstar = {fReader, "kstar"};
   //TTreeReaderValue<Double_t> M2 = {fReader, "M2"};
   //TTreeReaderValue<Double_t> phi = {fReader, "phi"};
   //TTreeReaderArray<Double_t> u = {fReader, "u"};
   TTreeReaderArray<Double_t> k = {fReader, "k"};
   //TTreeReaderArray<Double_t> pR = {fReader, "pR"};
   TTreeReaderValue<Double_t> polar_0_90 = {fReader, "polar_0_90"};
   TTreeReaderValue<Double_t> polar_45_135 = {fReader, "polar_45_135"};
   TTreeReaderValue<Double_t> diffXS = {fReader, "diffXS"};
   TTreeReaderValue<Double_t> weight = {fReader, "weight"};


   hpolar(TTree * /*tree*/ =0) { }
   virtual ~hpolar() { }
   virtual Int_t   Version() const { return 2; }
   virtual void    Begin(TTree *tree);
   virtual void    SlaveBegin(TTree *tree);
   virtual void    Init(TTree *tree);
   virtual Bool_t  Notify();
   virtual Bool_t  Process(Long64_t entry);
   virtual Int_t   GetEntry(Long64_t entry, Int_t getall = 0) { return fChain ? fChain->GetTree()->GetEntry(entry, getall) : 0; }
   virtual void    SetOption(const char *option) { fOption = option; }
   virtual void    SetObject(TObject *obj) { fObject = obj; }
   virtual void    SetInputList(TList *input) { fInput = input; }
   virtual TList  *GetOutputList() const { return fOutput; }
   virtual void    SlaveTerminate();
   virtual void    Terminate();

   ClassDef(hpolar,0);

 protected:
   TH2D *hintens[9];
   TH2D *hpolar0[9];
   TH2D *hpolar45[9];
   TH2D *h2polar0[9];
   TH2D *h2polar45[9];
   TH2D *h3polar0[9];
   TH2D *h3polar45[9];
   TH2D *h4polar0[9];
   TH2D *h4polar45[9];
};

#endif

#ifdef hpolar_cxx
void hpolar::Init(TTree *tree)
{
   // The Init() function is called when the selector needs to initialize
   // a new tree or chain. Typically here the reader is initialized.
   // It is normally not necessary to make changes to the generated
   // code, but the routine can be extended by the user if needed.
   // Init() will be called many times when running on PROOF
   // (once per file to be processed).

   fReader.SetTree(tree);
}

Bool_t hpolar::Notify()
{
   // The Notify() function is called when a new file is opened. This
   // can be either for a new TTree in a TChain or when when a new TTree
   // is started when using PROOF. It is normally not necessary to make changes
   // to the generated code, but the routine can be extended by the
   // user if needed. The return value is currently not used.

   return kTRUE;
}


#endif // #ifdef hpolar_cxx