MpdPHSDGenerator.h

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/**
 *@class MpdPHSDGenerator
 *@author V.Voronyuk <vadimv@jinr.ru>
 * MpdPHSDGenerator reads newer (instead of default) output (phsd.dat/phsd.dat.gz)
 * of HSD/PHSD transport model.
 **/
 
#ifndef Mpd_PHSDGENERATOR_H
#define Mpd_PHSDGENERATOR_H
 
#ifndef __CLING__
#include <zlib.h>
#endif
 
#include "FairGenerator.h"
#include "FairPrimaryGenerator.h"
 
#include <TRandom2.h>
 
class MpdPHSDGenerator : public FairGenerator
{
  public:
    MpdPHSDGenerator();
    /** Default constructor **/
    MpdPHSDGenerator(const char* filename);
    /** Destructor **/
    virtual ~MpdPHSDGenerator();
    /** Read event **/
    Bool_t ReadEvent(FairPrimaryGenerator* primGen);
    /** Skip n events, return kTRUE if successful **/
    Bool_t SkipEvents(Int_t n);
 
    /** Set fixed reaction plane angle **/
    void SetPsiRP(Double_t PsiRP)
    {
        fPsiRP = PsiRP;
        fisRP = kFALSE;
    };
 
  private:
    Int_t fntr;   //! number of tracks in given event
    Float_t fb;   //! impact parameter in given event
#ifndef __CLING__
    gzFile fgzFile;   //! file
#endif
    char fbuffer[256];   //! reading buffer
 
    TRandom2* frandom;   //!
    Double_t fPsiRP;     //! reaction plane angle
    Bool_t fisRP;        //! random/fixed reaction plane
 
    Bool_t ReadHeader();   //! read event header, return kTRUE if successful
    void SkipTrack();      //! skip one track
 
    ClassDef(MpdPHSDGenerator, 0);
};
#endif