PndMixBackgroundEvents.h

Go to the documentation of this file.

#ifndef PNDMIXBACKGROUNDEVENTS_H
#define PNDMIXBACKGROUNDEVENTS_H 1


#include "PndMCTrack.h"
#include "PndSttTrack.h"
#include "FairTask.h"
#include "FairRootManager.h"
#include "FairRunAna.h"
#include "FairRuntimeDb.h"
#include "FairTrackParP.h"
#include "PndGeoSttPar.h"

#include "TFile.h"
#include "TVector3.h"
#include "TH1F.h"
#include "TH2F.h"
#include "TRandom3.h"

class TClonesArray;
class TObjectArray;

class PndMixBackgroundEvents : public FairTask
{

 public:


  PndMixBackgroundEvents();

  PndMixBackgroundEvents(Int_t verbose);


  ~PndMixBackgroundEvents();

 Double_t fInteractionRate; //  in MHz, average interaction rate in PANDA.

  virtual InitStatus Init();


  virtual void Exec(Option_t* opt);

  void WriteHistograms();

  void SetPersistence(Bool_t persistence) { fPersistence = persistence; }
 

  void SetParContainers();


  void SetInputBkgFilesName(    char* string1 )
  {
        sprintf(fSttBkgFilename,"%s", string1);
        return;
  };



  void SetInteractionRate(Double_t rate )
  {
        fInteractionRate=rate;
        return;
  };


 private:

//  Int_t IVOLTE,
//        istampa;


  char  fSttBkgFilename[1000],
        fMvdBkgFilename[1000];


  static const UShort_t   NMAXBCKGRND = 1000;
//  static const UShort_t   NMAXBCKGRND ;

  static const Double_t MVDTYPICALTIME, // in nsec; time after which the Mvd hit disappears.
                        RATE, //  in MHz, average interaction rate in PANDA.
                        STRAWRADIUS , // in cm.
                        STTdriftVEL ,   //   in cm/nsec
                        MAXSTTdriftTIME ;       //   in nsec


  Int_t nTotalBkgEvents;

  TFile *filedigirun;

  TFile *filerecorun;

  TTree *treedigibkg ;  // pointer to root Tree of digi background file.

  TTree *treerecobkg ;  // pointer to root Tree of reco background file, only for Mvd hits.

  TRandom3 rannn,
           rran;


  TClonesArray* fMCTrackArray;
  TClonesArray* fSttTubeArray;


  TClonesArray* fSttHitArray;


  TClonesArray* fMvdPixelHitArray;

  TClonesArray* fMvdStripHitArray;



//---------------------  input Arrays for the Background hits  -------------

  TClonesArray* fSttHitBkgArray;

  TClonesArray* fMvdPixelHitBkgArray;

  TClonesArray* fMvdStripHitBkgArray;

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



  TClonesArray* fSttHitandBckgrndArray;

  TClonesArray* fMvdPixelHitandBckgrndArray;

  TClonesArray* fMvdStripHitandBckgrndArray;


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


  Bool_t  fPersistence; 

  PndGeoSttPar *fSttParameters;  //  CHECK added
 

  void Initialization_ClassVariables();



  void BackgroundNandT(
                        UShort_t *nBkgEventsToAdd,
                        Double_t *times
                        );

  bool ModifyIsochrone(
                        Double_t isochrone,
                        Double_t time,  // nanosec
                        Double_t *modified
                        );


  ClassDef(PndMixBackgroundEvents,1);

};

#endif