ATLASConePlugin.hh

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//STARTHEADER
// $Id: ATLASConePlugin.hh 1558 2009-05-10 14:19:05Z salam $
//
// Copyright (c) 2007-2008, Matteo Cacciari, Gavin Salam and Gregory Soyez
//
//----------------------------------------------------------------------
// This file is part of FastJet.
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//  FastJet is free software; you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
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// 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"

// 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__