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// $Id: ClusterSequencePassiveArea.hh 2687 2011-11-14 11:17:51Z soyez $
//
// Copyright (c) 2005-2011, Matteo Cacciari, Gavin P. 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
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#ifndef __FASTJET_CLUSTERSEQUENCEPASSIVEAREA_HH__
#define __FASTJET_CLUSTERSEQUENCEPASSIVEAREA_HH__
#include "fastjet/PseudoJet.hh"
#include "fastjet/ClusterSequence1GhostPassiveArea.hh"
#include<iostream>
#include<vector>
FASTJET_BEGIN_NAMESPACE // defined in fastjet/internal/base.hh
//using namespace std;
/// @ingroup sec_area_classes
/// \class ClusterSequencePassiveArea
/// Like ClusterSequence with computation of the passive jet area
///
/// Class that behaves essentially like ClusterSequence except
/// that it also provides access to the area of a jet (which
/// will be a random quantity... Figure out what to do about seeds
/// later...)
///
/// This class should not be used directly. Rather use
/// ClusterSequenceArea with the appropriate AreaDefinition
class ClusterSequencePassiveArea : public ClusterSequence1GhostPassiveArea {
public:
/// constructor based on JetDefinition and PassiveAreaSpec
template<class L> ClusterSequencePassiveArea
(const std::vector<L> & pseudojets,
const JetDefinition & jet_def_in,
const GhostedAreaSpec & area_spec,
const bool & writeout_combinations = false) ;
/// return an empty area that's appropriate to the passive area
/// determination carried out
virtual double empty_area(const Selector & selector) const;
private:
/// does the initialisation and running specific to the passive
/// areas class
void _initialise_and_run_PA (const JetDefinition & jet_def_in,
const GhostedAreaSpec & area_spec,
const bool & writeout_combinations = false);
};
template<class L> ClusterSequencePassiveArea::ClusterSequencePassiveArea
(const std::vector<L> & pseudojets,
const JetDefinition & jet_def_in,
const GhostedAreaSpec & area_spec,
const bool & writeout_combinations) {
// transfer the initial jets (type L) into our own array
_transfer_input_jets(pseudojets);
// run the clustering for passive areas
_initialise_and_run_PA(jet_def_in, area_spec, writeout_combinations);
}
FASTJET_END_NAMESPACE
#endif // __FASTJET_CLUSTERSEQUENCEPASSIVEAREA_HH__
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