TrackJetPlugin.hh

Go to the documentation of this file.

//STARTHEADER
// $Id: TrackJetPlugin.hh 1491 2009-03-11 17:04:38Z salam $
//
// Copyright (c) 2007-2008, Matteo Cacciari, Gavin Salam and Gregory Soyez
//
//----------------------------------------------------------------------
// This file is part of FastJet.
//
//  FastJet is free software; you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation; either version 2 of the License, or
//  (at your option) any later version.
//
//  The algorithms that underlie FastJet have required considerable
//  development and are described in hep-ph/0512210. If you use
//  FastJet as part of work towards a scientific publication, please
//  include a citation to the FastJet paper.
//
//  FastJet is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with FastJet; if not, write to the Free Software
//  Foundation, Inc.:
//      59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//----------------------------------------------------------------------
//ENDHEADER

#ifndef __TRACKJETPLUGIN_HH__
#define __TRACKJETPLUGIN_HH__

#include "fastjet/JetDefinition.hh"
#include <list>
#include <memory>
#include <cmath>

// questionable whether this should be in fastjet namespace or not...
FASTJET_BEGIN_NAMESPACE      // defined in fastjet/internal/base.hh

// another forward declaration to reduce includes
class PseudoJet;

//----------------------------------------------------------------------
//
class TrackJetPlugin : public JetDefinition::Plugin {
public:
  TrackJetPlugin (double radius, 
                  RecombinationScheme jet_recombination_scheme=pt_scheme, 
                  RecombinationScheme track_recombination_scheme=pt_scheme){
    _radius  = radius;
    _radius2 = radius*radius;
    _jet_recombiner = JetDefinition::DefaultRecombiner(jet_recombination_scheme);
    _track_recombiner = JetDefinition::DefaultRecombiner(track_recombination_scheme);
  }

  TrackJetPlugin (const TrackJetPlugin & plugin) {
    *this = plugin;
  }

  // the things that are required by base class
  virtual std::string description () const;
  virtual void run_clustering(ClusterSequence &) const;

  virtual double R() const {return _radius;}

private:
  double _radius, _radius2;

  JetDefinition::DefaultRecombiner _jet_recombiner;
  JetDefinition::DefaultRecombiner _track_recombiner;
};

FASTJET_END_NAMESPACE        // defined in fastjet/internal/base.hh

#endif // __TRACKJETPLUGIN_HH__