FPythia.hh

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#ifndef AGILE_FPYTHIA_HH 
#define AGILE_FPYTHIA_HH

#include "AGILe/Generator.hh"
#include "HepMC/IO_HEPEVT.h"

namespace AGILe {

  class FPythia : public Generator {
  public:
    FPythia();

    virtual ~FPythia() { }

    void setGenSpecificInitialState(PdgCode p1 = PROTON, double e1 = 7000.0, 
                                    PdgCode p2 = PROTON, double e2 = 7000.0);

    const string getName() const {
      return "PYTHIA";
    }
    

    void makeEvent(HepMC::GenEvent& evt);


    virtual void setSeed(const int value) {
      setParam("MRPY(1)", value);
    }


    using Generator::setParam;


    virtual bool setParam(const string& name, const string& value);
       
    string getPDFSet(PdgCode pid);
    int getPDFMember(PdgCode pid);
    string getPDFScheme(PdgCode pid)const;
    
    virtual const double getCrossSection();
    
    virtual const string getVersion();
    
    void finalize();

  protected:
    void initialize();

    void fillEvent(HepMC::GenEvent& evt);

    string _particleName1, _particleName2;
    double _e1, _e2;

    int _nevt;

    HepMC::IO_HEPEVT _hepevt;
  };

}

#endif