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ATLASCone
JetSplitMergeTool.hh
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#ifndef JETREC_JETSPLITMERGETOOL_H
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#define JETREC_JETSPLITMERGETOOL_H
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//----------------------------------------------------------------------
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// This file distributed with FastJet has been obtained from SpartyJet
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// v2.20.0 by Pierre-Antoine Delsart, Kurtis L. Geerlings, Joey
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// Huston, Brian T. Martin and Chris Vermilion
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// For details, see http://www.pa.msu.edu/~huston/SpartyJet/
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// http://projects.hepforge.org/spartyjet/
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//
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// Changes from the original file are listed below.
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//----------------------------------------------------------------------
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//******************************************************************************
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// Filename : JetSplitMergeTool
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// Author : Ambreesh Gupta
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// Created : November, 2001
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//
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// DESCRIPTION:
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//
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// Cone algorithms generally produce overlapping jets. These jets are then
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// passed through a Split Merge algorithm to create seperated jets. This
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// is an implementation of one such algorithm.
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//
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// The steps of the algorithm are:
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// - <to be written>
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//
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// PROPERTIES (JobOption Parameters):
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//
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// ProtoJetContainerLoc string "Default" Key for ProtoJet input.
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// JetContainerLoc string "Default" Key for Jet list to output.
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// OverlapFraction double 0.5
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//
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// HISTORY
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// 05Nov01 agupta. First version
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// 15Aug02 agupta. Fix phi-wrapping.
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//*****************************************************************************
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// History of changes from the original JetSplitMergeTool.hh file in
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// SpartyJet v2.20
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//
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// 2009-01-15 Gregory Soyez <soyez@fastjet.fr>
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//
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// * put the code in the fastjet::atlas namespace
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//
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// 2009-02-14 Gregory Soyez <soyez@fastjet.fr>
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//
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// * imported into FastJet
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// * removed the message logs
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// * replaced StatusCode by int
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//class StoreGateSvc;
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//Includes
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#include "Jet.hh"
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#include <vector>
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#include <list>
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//#include "JetCore/CustomMessage.hh"
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#include "fastjet/internal/base.hh"
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FASTJET_BEGIN_NAMESPACE
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namespace
atlas {
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//typedef int StatusCode ;
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class
JetSplitMergeTool
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{
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public
:
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typedef
Jet::jet_list_t jetcollection_t;
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//Constructors
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JetSplitMergeTool();
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//Destructor
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virtual
~JetSplitMergeTool();
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virtual
int
execute( jetcollection_t* theJets );
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//Handle negative energy ProtoJets:
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double
etaTrue(Jet::constit_vect_t::iterator pj);
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double
phiTrue(Jet::constit_vect_t::iterator pj);
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//private:
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void
split_merge();
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double
m_f;
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jetcollection_t m_preJet;
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jetcollection_t m_jet;
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jetcollection_t* m_jetVec;
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int
m_ctr;
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int
m_dctr;
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// Message m_log;
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};
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}
// namespace atlas
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FASTJET_END_NAMESPACE
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#endif
// JETREC_JETSPLITMERGETOOL_H
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