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ThePEGInterface.h

Go to the documentation of this file.

#ifndef GeneratorInterface_ThePEGInterface_ThePEGInterface_h
#define GeneratorInterface_ThePEGInterface_ThePEGInterface_h

#include <memory>
#include <string>

#include <HepMC/GenEvent.h>
#include <HepMC/PdfInfo.h>
#include <HepMC/IO_BaseClass.h>

#include <ThePEG/Repository/EventGenerator.h>
#include <ThePEG/EventRecord/Event.h>

#include "FWCore/ParameterSet/interface/ParameterSet.h"

class ThePEGInterface {
    public:
        ThePEGInterface(const edm::ParameterSet &params);
        virtual ~ThePEGInterface();

    protected:
        void initRepository(const edm::ParameterSet &params) const;
        void initGenerator();

        static std::auto_ptr<HepMC::GenEvent>
                                convert(const ThePEG::EventPtr &event);
        static void clearAuxiliary(HepMC::GenEvent *hepmc,
                                   HepMC::PdfInfo *pdf);
        static void fillAuxiliary(HepMC::GenEvent *hepmc,
                                  HepMC::PdfInfo *pdf,
                                  const ThePEG::EventPtr &event);

        std::string dataFile(const std::string &fileName) const;
        std::string dataFile(const edm::ParameterSet &pset,
                             const std::string &paramName) const;

        static std::string resolveEnvVars(const std::string &s);

        ThePEG::EGPtr                           eg_;
        std::auto_ptr<HepMC::IO_BaseClass>      iobc_;

    private:
        const std::string                       dataLocation_;
        const std::string                       generator_;
        const std::string                       run_;
        const int                               skipEvents_;
        void readParameterSet(const edm::ParameterSet &base, const std::string &paramSet) const;
};

#endif // GeneratorInterface_ThePEGInterface_ThePEGInterface_h

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