NonHadronicFinalState.hh

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// -*- C++ -*-
#ifndef RIVET_NonHadronicFinalState_HH
#define RIVET_NonHadronicFinalState_HH

#include "Rivet/Tools/Logging.hh"
#include "Rivet/Rivet.hh"
#include "Rivet/Particle.hh"
#include "Rivet/Event.hh"
#include "Rivet/Projection.hh"
#include "Rivet/Projections/FinalState.hh"


namespace Rivet {

  /// @brief Project only hadronic final state particles.
  class NonHadronicFinalState : public FinalState {

  public:

    /// Constructor: the supplied FinalState projection is assumed to live through the run.
    NonHadronicFinalState(FinalState& fsp)
    {
      setName("NonHadronicFinalState");
      addProjection(fsp, "FS");
    }

    NonHadronicFinalState(double mineta = -MAXRAPIDITY,
              double maxeta = MAXRAPIDITY,
              double minpt = 0.0*GeV)
    {
      setName("NonHadronicFinalState");
      addProjection(FinalState(mineta, maxeta, minpt), "FS");
    }

    /// Clone on the heap.
    virtual const Projection* clone() const {
      return new NonHadronicFinalState(*this);
    }

  protected:

    /// Apply the projection on the supplied event.
    void project(const Event& e);

    /// Compare projections.
    int compare(const Projection& p) const;

  };


}


#endif