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[u/mrichter/AliRoot.git] / HLT / global / physics / AliHLTMultiplicityCorrelations.h

//-*- Mode: C++ -*-

// $Id: AliHLTMultiplicityCorrelations.h  $
#ifndef ALIHLTMULTIPLICITYCORRELATIONS_H
#define ALIHLTMULTIPLICITYCORRELATIONS_H

/* This file is property of and copyright by the ALICE HLT Project        * 
 * ALICE Experiment at CERN, All rights reserved.                         *
 * See cxx source for full Copyright notice                               */

/** @file   AliHLTMultiplicityCorrelations.h
    @author Jochen Thaeder
    @date   
    @brief  Correlation plots for multiplicity studies
*/

// see below for class documentation
// or
// refer to README to build package
// or
// visit http://web.ift.uib.no/~kjeks/doc/alice-hlt

#include "AliHLTLogging.h"

#include "AliESDtrackCuts.h"
#include "AliESDEvent.h"
#include "AliESDVZERO.h"
#include "AliESDZDC.h"

#include "TList.h"

class TH1;


/**
 * @class AliHLTMultiplicityCorrelations
 *
 * @ingroup alihlt_physics
 */

class AliHLTMultiplicityCorrelations : public TObject, public AliHLTLogging {
public:
  
  /*
   * ---------------------------------------------------------------------------------
   *                            Constructor / Destructor
   * ---------------------------------------------------------------------------------
   */

  /** Constructor */
  AliHLTMultiplicityCorrelations();
  
  /** Destructor */
  ~AliHLTMultiplicityCorrelations();

  /*
   * ---------------------------------------------------------------------------------
   *                         Initialize / Setup / Reset - public
   * ---------------------------------------------------------------------------------
   */

  /** Initialize class and members */
  Int_t Initialize();

  /*
   * ---------------------------------------------------------------------------------
   *                                Setter - public
   * ---------------------------------------------------------------------------------
   */

  /** Set ESD track cuts */
  void SetESDTrackCuts(AliESDtrackCuts *cuts) { fESDTrackCuts = cuts; }

  /** Set Binning of VZERO */
  void SetBinningVzero(Int_t i=1, Float_t f1=0., Float_t f2=1.) {
    fVzeroBinning = i; fVzeroBinningMin = f1; fVzeroBinningMax = f2;
  }

  /** Set Binning of TPC */
  void SetBinningTpc(Int_t i=1, Float_t f1=0., Float_t f2=1.) {
    fTpcBinning = i; fTpcBinningMin = f1; fTpcBinningMax = f2;
  }

  /** Set Binning of ZDC */
  void SetBinningZdc(Int_t i=1, Float_t f1=0., Float_t f2=1.) {
    fZdcBinning = i; fZdcBinningMin = f1; fZdcBinningMax = f2;
  }

  /** Set Binning of ZEM */
  void SetBinningZem(Int_t i=1, Float_t f1=0., Float_t f2=1.) {
    fZemBinning = i; fZemBinningMin = f1; fZemBinningMax = f2;
  }

  /** Set Binning of ZNP */
  void SetBinningZnp(Int_t i=1, Float_t f1=0., Float_t f2=1.) {
    fZnpBinning = i; fZnpBinningMin = f1; fZnpBinningMax = f2;
  }

  /** Set Binning of CALO */
  void SetBinningCalo(Int_t i=1, Float_t f1=0., Float_t f2=1.) {
    fCaloBinning = i; fCaloBinningMin = f1; fCaloBinningMax = f2;
  }

  /** Set process PHOS */
  void SetProcessPhos(Bool_t v = true) {
    fProcessPhos = v;
  }
  /** Set process EMCAL */
  void SetProcessEmcal(Bool_t v = true) {
    fProcessEmcal = v;
  }

  /*
   * ---------------------------------------------------------------------------------
   *                                 Getter - public
   * ---------------------------------------------------------------------------------
   */

  /** Get List of histograms */
  TList* GetHistList() const { return fHistList; }

  /*
   * ---------------------------------------------------------------------------------
   *                             Process - public
   * ---------------------------------------------------------------------------------
   */
  
  /** Process current event */
  Int_t ProcessEvent( AliESDEvent *esd );

  ///////////////////////////////////////////////////////////////////////////////////
  
 private:
 
  /** copy constructor prohibited */
  AliHLTMultiplicityCorrelations(const AliHLTMultiplicityCorrelations&);
  
  /** assignment operator prohibited */
  AliHLTMultiplicityCorrelations& operator=(const AliHLTMultiplicityCorrelations&);

  /*
   * ---------------------------------------------------------------------------------
   *                         Initialize / Setup / Reset - private
   * ---------------------------------------------------------------------------------
   */

  /** Add esd object
   * param esd Ptr to AliESDEvent
   * return kTRUE if AliESDEvent and Vertex present
   */
  Bool_t AddESDEvent( AliESDEvent* esd );

  /** Setup histograms */
  Int_t SetupHistograms();

  /** Setup VZERO histograms */
  Int_t SetupVZERO();

  /** Setup ZDC histograms */
  Int_t SetupZDC();

  /** Setup TPC histograms */
  Int_t SetupTPC();

  /** Setup correlation histograms */
  Int_t SetupCorrelations();
  
  /** Setup CALO histograms */
  Int_t SetupCALO();

  /*
   * ---------------------------------------------------------------------------------
   *                             Process - private
   * ---------------------------------------------------------------------------------
   */

  /** Process current event - TPC */
  Int_t ProcessTPC();
  
  /** Process current event - VZERO */
  Int_t ProcessVZERO();

  /** Process current event - ZDC and correlations */
  Int_t ProcessZDC();
  
  /** Process current event - CALO */
  Int_t ProcessCALO();
  
  

  /*
   * ---------------------------------------------------------------------------------
   *                             Members - private
   * ---------------------------------------------------------------------------------
   */

  /** List of histograms */ 
  TList           *fHistList;             // see above

  /** Ptr to AliESDEvent */
  AliESDEvent     *fESDEvent;             //! transient

  /** Ptr to ZDC object in AliESDEvent*/ 
  AliESDZDC       *fESDZDC;               //! transient

  /** Ptr to VZERO object in AliESDEvent*/ 
  AliESDVZERO     *fESDVZERO;             //! transient

  /** Ptr to AliESD track cuts */
  AliESDtrackCuts *fESDTrackCuts;         //! transient

  // -- -- -- -- -- -- -- -- -- -- -- -- -- -- 

  /** N ESD tracks */
  Int_t fEsdTracks;

  /** N ESD tracks accepted */
  Int_t fEsdTracksA;

  /** N TPC tracks */
  Int_t fTpcTracks;

  /** N TPC tracks accepted */
  Int_t fTpcTracksA;

  /** VZERO mult */
  Float_t fVzeroMult;

  /** VZERO mult A */
  Float_t fVzeroMultA;

  /** VZERO mult C */
  Float_t fVzeroMultC;

  /** VZERO flagged mult */
  Float_t fVzeroMultFlagged;

  /** VZERO flagged mult A */
  Float_t fVzeroMultFlaggedA;

  /** VZERO flagged mult C */
  Float_t fVzeroMultFlaggedC;

  // -- -- -- 

  /** Binnning VZERO */
  Int_t   fVzeroBinning;
  Float_t fVzeroBinningMin;
  Float_t fVzeroBinningMax;

  /** Binnning TPC */
  Int_t   fTpcBinning;
  Float_t fTpcBinningMin;
  Float_t fTpcBinningMax;

  /** Binnning ZDC */
  Int_t   fZdcBinning;
  Float_t fZdcBinningMin;
  Float_t fZdcBinningMax;

  /** Binnning ZEM */
  Int_t   fZemBinning;
  Float_t fZemBinningMin;
  Float_t fZemBinningMax;

  /** Binnning ZNP */
  Int_t   fZnpBinning;
  Float_t fZnpBinningMin;
  Float_t fZnpBinningMax;
  
  /** CALO flags */
  Bool_t fProcessPhos; 
  Bool_t fProcessEmcal;
  
  /** CALO variables */
  Float_t fPhosTotalEt;
  Float_t fEmcalTotalEt;
  
  /** Binnning CALO */
  Int_t   fCaloBinning;
  Float_t fCaloBinningMin;
  Float_t fCaloBinningMax;
  
  ClassDef(AliHLTMultiplicityCorrelations, 1);
};
#endif