MpdPlutoGenerator.h

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// -------------------------------------------------------------------------
// -----                 MpdPlutoGenerator header file                 -----
// -----          Created 13/07/04  by V. Friese / D.Bertini           -----
// -----      Modified from FairPlutoGenerator for MPD by V. Zhezher   -----
// -------------------------------------------------------------------------
 
/** MpdPlutoGenerator.h
 *@author V.Friese <v.friese@gsi.de>
 *@author D.Bertini <d.bertini@gsi.de>
 *
 The MpdPlutoGenerator reads the PLUTO output file (ROOT format)
 and inserts the tracks into the FairStack via the FairPrimaryGenerator.
 Derived from FairGenerator.
**/
 
#ifndef MPD_PLUTOGENERATOR_H
#define MPD_PLUTOGENERATOR_H
 
#include "FairGenerator.h"
 
class TClonesArray;
class TFile;
class TTree;
class TVirtualMCStack;
class FairPrimaryGenerator;
 
class MpdPlutoGenerator : public FairGenerator
{
 
  public:
    /** Default constructor (should not be used) **/
    MpdPlutoGenerator();
 
    /** Standard constructor
     ** @param fileName The input (PLUTO) file name
     **/
    MpdPlutoGenerator(const Char_t* fileName, Double_t ekin);
 
    /** Destructor **/
    virtual ~MpdPlutoGenerator();
 
    /** Reads on event from the input file and pushes the tracks onto
     ** the stack. Abstract method in base class.
     ** @param primGen  pointer to the FairPrimaryGenerator
     **/
    virtual Bool_t ReadEvent(FairPrimaryGenerator* primGen);
 
    // Skip some events in file
    Bool_t SkipEvents(Int_t count);
 
  private:
    Int_t iEvent;               //! Event number
    Double_t fEkin;             //! Target energy in lab system
    const Char_t* fFileName;    //! Input file name
    TFile* fInputFile;          //! Pointer to input file
    TTree* fInputTree;          //! Pointer to input tree
    TClonesArray* fParticles;   //! Particle array from PLUTO
 
    /** Private method CloseInput. Just for convenience. Closes the
     ** input file properly. Called from destructor and from ReadEvent. **/
    void CloseInput();
 
    ClassDef(MpdPlutoGenerator, 1);
};
 
#endif