FlatEGunASCIIWriter.h

Go to the documentation of this file.

// ----------------------------------------------------------------------
// FlatEGunASCIIWriter.h
// Author: Julia Yarba
//
// This code has been molded after examples in HepMC and HepPDT, and
// after single particle gun example (private contacts with Lynn Garren)
//
// Plus, it uses the ParameterSet funtionalities for "user interface"
//
// ----------------------------------------------------------------------
 
#ifndef FlatEGunASCIIWriter_h
#define FlatEGunASCIIWriter_h
 
// base class
#include "FWCore/Framework/interface/EDAnalyzer.h"
 
// for local things (data members)
#include <string>
 
#include "HepPDT/defs.h"
#include "HepPDT/TableBuilder.hh"
#include "HepPDT/ParticleDataTable.hh"
 
#include "HepMC/GenEvent.h"
#include "HepMC/IO_GenEvent.h"
 
#include "FWCore/Framework/interface/ESHandle.h"
#include "FWCore/Framework/interface/EventSetup.h"
 
namespace edm {
 
  class FlatEGunASCIIWriter : public edm::EDAnalyzer {
  public:
    // The following is not yet used, but will be the primary
    // constructor when the parameter set system is available.
    //
    explicit FlatEGunASCIIWriter(const edm::ParameterSet&);
 
    ~FlatEGunASCIIWriter() override;
 
    void analyze(const edm::Event&, const edm::EventSetup&) override;
    void beginJob() override;
    void beginRun(const edm::Run&, const EventSetup&) override;
 
  private:
    // gun particle(s) characteristics
    std::vector<int> fPartIDs;
    double fMinEta;
    double fMaxEta;
    double fMinPhi;
    double fMaxPhi;
    double fMinE;
    double fMaxE;
 
    // the event format itself
    HepMC::GenEvent* fEvt;
 
    // HepMC/HepPDT related things
    ESHandle<HepPDT::ParticleDataTable> fPDGTable;
 
    std::string fOutFileName;
    HepMC::IO_GenEvent* fOutStream;
 
    int fCurrentEvent;  // event counter - untill I learn how to get it
                        // from edm::Event ) EventID ??? or what ?)
  };
 
}  // namespace edm
 
#endif