PythiaDauFilter.h

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#ifndef PYTHIADAUFILTER_h
#define PYTHIADAUFILTER_h
// -*- C++ -*-
//
// Package:    PythiaDauFilter
// Class:      PythiaDauFilter
// 
//
// Original Author:  Daniele Pedrini
//         Created:  Apr 29 2008
//
//


// system include files
#include <memory>

// user include files
#include "FWCore/Framework/interface/Frameworkfwd.h"
#include "FWCore/Framework/interface/global/EDFilter.h"

#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/MakerMacros.h"

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

#include "Pythia8/Pythia.h"

//
// class decleration
//
namespace edm {
  class HepMCProduct;
}

class PythiaDauFilter : public edm::global::EDFilter<> {
   public:
      explicit PythiaDauFilter(const edm::ParameterSet&);
      ~PythiaDauFilter() override;


      bool filter(edm::StreamID, edm::Event&, const edm::EventSetup&) const override;
   private:
      // ----------memeber function----------------------

      // ----------member data ---------------------------
      
       const edm::EDGetTokenT<edm::HepMCProduct> token_;
       std::vector<int> dauIDs;
       const int particleID;
       const bool chargeconju; 
       const  int ndaughters;
       const double minptcut;
       const double maxptcut;
       const double minetacut;
       const double maxetacut;
       std::unique_ptr<Pythia8::Pythia> fLookupGen; // this instance is for accessing particleData information
};
#endif