ATLASConePlugin.hh

Go to the documentation of this file.

//STARTHEADER
// $Id: ATLASConePlugin.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

// Note on the implementation:
//   this implementation of the ATLAS Cone is based on the SpartyJet
//   v2.20.0 implementation. See README for details

#ifndef __ATLASCONEPLUGIN_HH__
#define __ATLASCONEPLUGIN_HH__

#include "fastjet/JetDefinition.hh"
#include "fastjet/ClusterSequence.hh"

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

// forward declaration to reduce includes
class PseudoJet;

//----------------------------------------------------------------------
//

class ATLASConePlugin : public JetDefinition::Plugin {
public:
  ATLASConePlugin (double radius, double seedPt=2.0, double f=0.5)
    : _radius(radius), _seedPt(seedPt), _f(f){}

  ATLASConePlugin (const ATLASConePlugin & 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;}

  // access to the other parameters
  double seedPt() const {return _seedPt;}

  double f() const {return _f;}

private:

  double _radius;   
  double _seedPt;   
  double _f;        

};

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

#endif // __ATLASCONEPLUGIN_HH__