--- /dev/null
+/**************************************************************************
+ * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+ * *
+ * Author: The ALICE Off-line Project. *
+ * Contributors are mentioned in the code where appropriate. *
+ * *
+ * Permission to use, copy, modify and distribute this software and its *
+ * documentation strictly for non-commercial purposes is hereby granted *
+ * without fee, provided that the above copyright notice appears in all *
+ * copies and that both the copyright notice and this permission notice *
+ * appear in the supporting documentation. The authors make no claims *
+ * about the suitability of this software for any purpose. It is *
+ * provided "as is" without express or implied warranty. *
+ **************************************************************************/
+
+
+//---------------------------------------------------------------------
+// SISCone (FastJet v2.3.4) finder algorithm interface
+//
+// Author: swensy.jangal@ires.in2p3.fr
+//
+//---------------------------------------------------------------------
+
+#include <Riostream.h>
+#include <TArrayF.h>
+#include <TClonesArray.h>
+#include <TFile.h>
+#include <TH1F.h>
+#include <TH2F.h>
+#include <TLorentzVector.h>
+#include <TRandom.h>
+
+#include "AliHeader.h"
+#include "AliJet.h"
+#include "AliJetKineReader.h"
+#include "AliJetReader.h"
+#include "AliJetReaderHeader.h"
+#include "AliSISConeJetFinder.h"
+#include "AliSISConeJetHeader.h"
+
+#include "fastjet/AreaDefinition.hh"
+#include "fastjet/ClusterSequenceArea.hh"
+#include "fastjet/JetDefinition.hh"
+#include "fastjet/PseudoJet.hh"
+
+// Get info on how fastjet was configured
+#include "fastjet/config.h"
+
+#ifdef ENABLE_PLUGIN_SISCONE
+#include "fastjet/SISConePlugin.hh"
+#endif
+
+#include<sstream> // Needed for internal io
+#include<vector>
+#include <cmath>
+
+using namespace std;
+
+ClassImp(AliSISConeJetFinder)
+
+//____________________________________________________________________________
+
+AliSISConeJetFinder::AliSISConeJetFinder():
+AliJetFinder()
+{
+ // Constructor
+}
+
+//____________________________________________________________________________
+
+AliSISConeJetFinder::~AliSISConeJetFinder()
+{
+ // destructor
+}
+
+//______________________________________________________________________________
+void AliSISConeJetFinder::FindJets()
+{
+
+ Bool_t debug = kFALSE;
+
+ // Pick up siscone header
+ AliSISConeJetHeader *header = (AliSISConeJetHeader*)fHeader;
+
+ // Check if we are reading AOD jets
+ TRefArray *refs = 0;
+ Bool_t fromAod = !strcmp(fReader->ClassName(),"AliJetAODReader");
+ if (fromAod) { refs = fReader->GetReferences(); }
+
+
+//******************************** SISCONE PLUGIN CONFIGURATION
+// Here we look for SISCone parameters in the header and we define our plugin.
+
+ Double_t coneRadius = header->GetConeRadius(); // cone radius
+ Double_t overlapThreshold = header->GetOverlapThreshold(); // overlap parameter
+ Int_t nPassMax = header->GetNPassMax(); // maximum number of passes
+ Double_t ptProtoJetMin = header->GetPtProtojetMin(); // pT min of protojets
+ Double_t caching = header->GetCaching(); // do we record found cones for this set of data?
+
+ if (header->GetSplitMergeScale() == 0) fastjet::SISConePlugin::SplitMergeScale splitMergeScale = fastjet::SISConePlugin::SM_pttilde; // There's only one split merge scale
+
+ fastjet::JetDefinition::Plugin * plugin;
+ plugin = new fastjet::SISConePlugin(coneRadius, overlapThreshold, nPassMax, ptProtoJetMin, caching);
+
+//******************************** READING OF INPUT PARTICLES
+// Here we look for px, py pz and energy of each particle that we gather in a PseudoJet object, and we put all these PseudoJet in a vector of PseudoJets : input_particles.
+
+ TClonesArray *lvArray = fReader->GetMomentumArray();
+ Int_t nIn = lvArray->GetEntries();
+
+ // We check if lvArray is ok
+ if(lvArray == 0)
+ {
+ cout << "Could not get the momentum array" << endl;
+ return;
+ }
+
+ if(nIn == 0)// nIn = Number of particles in the event
+ {
+ if (debug) cout << "entries = 0 ; Event empty !!!" << endl ;
+ return;
+ }
+
+ Int_t nJets = 0; // Number of jets in this event
+ fJets->SetNinput(nIn) ; // fJets = AliJet number of input objects
+ Float_t px,py,pz,en;
+ vector<fastjet::PseudoJet> inputParticles;
+
+ // Load input vectors
+ for(Int_t i = 0; i < nIn; i++)
+ {
+ TLorentzVector *lv = (TLorentzVector*) lvArray->At(i);
+ px = lv->Px();
+ py = lv->Py();
+ pz = lv->Pz();
+ en = lv->Energy();
+
+ fastjet::PseudoJet inputPart(px,py,pz,en);
+ inputPart.set_user_index(i);
+ inputParticles.push_back(inputPart);
+
+ }
+
+//******************************** JETS FINDING
+
+ fastjet::ClusterSequence clustSeq(inputParticles, plugin);
+
+//***************************** JETS EXTRACTION AND CORRECTION
+
+ // Here we extract inclusive jets with pt > ptmin, sorted by pt
+ Double_t ptMin = header->GetMinJetPt();
+ vector<fastjet::PseudoJet> inclusiveJets = clustSeq.inclusive_jets(ptMin);
+ vector<fastjet::PseudoJet> jets = sorted_by_pt(inclusiveJets);
+
+ for (Int_t j = 0; j < jets.size(); j++)
+ {
+ cout<<"********************************** Reconstructed jet(s) (non corrected)"<<endl;
+ cout<<"Jet number "<<j+1<<" : "<<"Rapidity : "<<jets[j].rap()<<" Phi : "<<jets[j].phi()<<" pT : "<<jets[j].perp()<<endl;
+ cout<<"px = "<<jets[j].px()<<endl;
+ cout<<"py = "<<jets[j].py()<<endl;
+ cout<<"pz = "<<jets[j].pz()<<endl;
+ cout<<"e = "<<jets[j].E()<<endl;
+ cout<<"******************"<<endl;
+ cout<<"******************"<<endl;
+ cout<<"******************"<<endl;
+
+ // Go to write AOD info
+ AliAODJet aodjet (jets[j].px(), jets[j].py(), jets[j].pz(), jets[j].E());
+ if(debug) aodjet.Print("");
+ AddJet(aodjet);
+ }
+}
+
+//____________________________________________________________________________
+
+void AliSISConeJetFinder::WriteJHeaderToFile()
+{
+ fHeader->Write();
+}
--- /dev/null
+#ifndef ALISISCONEJETFINDER_H
+#define ALISISCONEJETFINDER_H
+
+/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+ * See cxx source for full Copyright notice */
+
+
+
+//---------------------------------------------------------------------
+// SISCone (FastJet v2.3.4) finder algorithm interface
+//
+// Author: swensy.jangal@ires.in2p3.fr
+//
+//---------------------------------------------------------------------
+
+// FastJet classes
+#include "fastjet/AreaDefinition.hh"
+#include "fastjet/ClusterSequenceArea.hh"
+#include "fastjet/JetDefinition.hh"
+#include "fastjet/PseudoJet.hh"
+
+// Get info on how fastjet was configured
+#include "fastjet/config.h"
+#ifdef ENABLE_PLUGIN_SISCONE
+#include "fastjet/SISConePlugin.hh"
+#endif
+
+#include<sstream> // needed for internal io
+#include <vector>
+#include <cmath>
+
+#include "AliFastJetHeader.h"
+#include "AliJetFinder.h"
+
+
+using namespace std;
+
+class AliSISConeJetFinder : public AliJetFinder
+{
+ public:
+
+ AliSISConeJetFinder();
+ ~AliSISConeJetFinder();
+
+ void FindJets();
+
+ // others
+
+ void WriteJHeaderToFile();
+
+ protected:
+ AliSISConeJetFinder(const AliSISConeJetFinder& rfj);
+ AliSISConeJetFinder& operator = (const AliSISConeJetFinder& rsfj);
+
+ ClassDef(AliSISConeJetFinder,2)
+};
+
+#endif
--- /dev/null
+/**************************************************************************
+ * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+ * *
+ * Author: The ALICE Off-line Project. *
+ * Contributors are mentioned in the code where appropriate. *
+ * *
+ * Permission to use, copy, modify and distribute this software and its *
+ * documentation strictly for non-commercial purposes is hereby granted *
+ * without fee, provided that the above copyright notice appears in all *
+ * copies and that both the copyright notice and this permission notice *
+ * appear in the supporting documentation. The authors make no claims *
+ * about the suitability of this software for any purpose. It is *
+ * provided "as is" without express or implied warranty. *
+ **************************************************************************/
+
+
+//---------------------------------------------------------------------
+// SISCone (FastJet v2.3.4) finder algorithm interface
+// Finder Header Class
+// Author: swensy.jangal@ires.in2p3.fr
+//---------------------------------------------------------------------
+
+#include <Riostream.h>
+#include <TMath.h>
+
+#include "fastjet/AreaDefinition.hh"
+#include "fastjet/ClusterSequenceArea.hh"
+#include "fastjet/JetDefinition.hh"
+
+#include "AliSISConeJetHeader.h"
+
+ClassImp(AliSISConeJetHeader)
+
+////////////////////////////////////////////////////////////////////////
+
+AliSISConeJetHeader::AliSISConeJetHeader():
+ AliJetHeader("AliSISConeJetHeader"),
+ fActiveAreaRepeats(1),
+ fCaching(0),
+ fConeRadius(0.4),
+ fEffectiveRFact(1),
+ fGhostArea(0.05),
+ fGhostEtaMax(2.0),
+ fMinJetPt(0),
+ fNPassMax(0),
+ fOverlapThreshold(0.5),
+ fPhiMax(TMath::TwoPi()),
+ fPhiMin(0),
+ fRapMax(-0.9),
+ fRapMin(0.9),
+ fPtProtoJetMin(2),
+ fSplitMergeScaleNumber(0),
+ fSplitMergeStoppingScale(0)
+
+{
+ // Constructor
+}
+
+////////////////////////////////////////////////////////////////////////
+
+void AliSISConeJetHeader::PrintParameters() const
+{
+ // prints out parameters of jet algorithm
+
+ cout << "SISConeJet algorithm parameters:"<<endl;
+
+ cout<<"Cone Radius = "<<fConeRadius<<endl;
+ cout<<"Overlap parameter = "<<fOverlapThreshold<<endl;
+ cout<<"Maximum number of runs = "<<fNPassMax<<endl;
+ cout<<"Pt min of protojets = "<<fPtProtoJetMin<<endl;
+ cout<<"Do we record cones of these events ? (0 = no, 1 = yes) = "<<fCaching<<endl;
+
+ cout << "Background subtraction parameters :" <<endl;
+ //cout<<"Kind of area used = "<<<<endl;
+ cout<<"Eta max in which ghosts wil be generated = "<<fGhostEtaMax<<endl;
+ cout<<"Ghost area = "<<fGhostArea<<endl;
+ cout<<"Background will be studied in ["<<fRapMin<<","<<fRapMax<<"] in eta and ["<<fPhiMin<<","<<fPhiMax<<"] in phi"<<endl;
+ //cout<<"Kind of recombination for split/merge procedure = "<<<<endl;
+ //cout<<"Stopping scale for split/merge procedure = "<<<<endl;
+ cout<<"Do we repeat active area calculus? (0 = no, 1 = yes) = "<<fActiveAreaRepeats<<endl;
+
+ cout<<"Jets PtMin = "<<fMinJetPt<<endl;
+
+}
--- /dev/null
+#ifndef ALISISCONEJETHEADER_H
+#define ALISISCONEJETHEADER_H
+
+/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+ * See cxx source for full Copyright notice */
+
+//---------------------------------------------------------------------
+// SISCone (FastJet v2.3.4) finder algorithm interface
+// Finder Header Class
+// Author: swensy.jangal@ires.in2p3.fr
+//---------------------------------------------------------------------
+
+#include "fastjet/AreaDefinition.hh"
+#include "fastjet/ClusterSequenceArea.hh"
+#include "fastjet/JetDefinition.hh"
+#include "AliJetHeader.h"
+
+
+class AliSISConeJetHeader : public AliJetHeader
+{
+ public:
+
+ AliSISConeJetHeader();
+ virtual ~AliSISConeJetHeader() { }
+
+ // Getters
+ Int_t GetActiveAreaRepeats() {return fActiveAreaRepeats;}
+ Int_t GetAreaTypeNumber() {return fAreaTypeNumber;}
+ Int_t GetNPassMax() {return fNPassMax;}
+ Int_t GetSplitMergeScale() {return fSplitMergeScaleNumber;}
+
+ Double_t GetGhostEtaMax() {return fGhostEtaMax;}
+ Double_t GetGhostArea() {return fGhostArea;}
+ Double_t GetEffectiveRFact() {return fEffectiveRFact;}
+ Double_t GetRapMax() {return fRapMax;}
+ Double_t GetRapMin() {return fRapMin;}
+ Double_t GetPhiMax() {return fPhiMax;}
+ Double_t GetPhiMin() {return fPhiMin;}
+ Double_t GetConeRadius() {return fConeRadius;}
+ Double_t GetOverlapThreshold() {return fOverlapThreshold;}
+ Double_t GetPtProtojetMin() {return fPtProtoJetMin;}
+ Double_t GetCaching() {return fCaching;}
+ Double_t GetSplitMergeStoppingScale() {return fSplitMergeStoppingScale;}
+ Double_t GetMinJetPt() {return fMinJetPt;}
+
+ // Setters
+ void SetCaching(Bool_t value) {fCaching = value;}
+ void SetComment(TString com) {fComment=com;}
+ void SetGhostEtaMax(Double_t f) {fGhostEtaMax = f;}
+ void SetGhostArea(Double_t f) {fGhostArea = f;}
+ void SetActiveAreaRepeats(Int_t f) {fActiveAreaRepeats =f;}
+ void SetAreaTypeNumber(Int_t f) {fAreaTypeNumber = f;}
+ void SetEffectiveRFact(Double_t value) {fEffectiveRFact = value;}
+ void SetConeRadius(Double_t value) {fConeRadius = value;}
+ void SetMinJetPt(Double_t value) {fMinJetPt = value;}
+ void SetNPassMax(Int_t value) {fNPassMax = value;}
+ void SetOverlapThreshold(Double_t value) {fOverlapThreshold = value;}
+ void SetPhiRange(Double_t fmin, Double_t fmax) {fPhiMin = fmin; fPhiMax = fmax;}
+ void SetptProtojetMin(Double_t value) {fPtProtoJetMin = value;}
+ void SetRapRange(Double_t fmin, Double_t fmax) {fRapMin = fmin; fRapMax = fmax;}
+ void SetSplitMergeScale(Int_t value) {fSplitMergeScaleNumber = value;}
+ void SetSplitMergeStoppingScale(Double_t value) {fSplitMergeStoppingScale = value;}
+
+
+ // others
+ void PrintParameters() const;
+
+ protected:
+
+ Bool_t fCaching; // Do we record found cones for this set of data?
+
+ Int_t fActiveAreaRepeats; // How many times do you want to caculate active areas?
+ Int_t fAreaTypeNumber; // Kind of area
+ Int_t fNPassMax; // maximum number of passes
+ Int_t fSplitMergeScaleNumber; // Kind of recombination in split/merge procedure, there's only one
+
+ Double_t fConeRadius; // Cone radius
+ Double_t fEffectiveRFact; // Radius for Voronoi diagram
+ Double_t fGhostEtaMax; // Maximum eta in which a ghost can be generated
+ Double_t fGhostArea; // Area of one ghost
+ Double_t fMinJetPt; // Jet minimum energy
+ Double_t fOverlapThreshold; // overlap parameter
+ Double_t fPhiMax, fPhiMin; // Phi range
+ Double_t fPtProtoJetMin; // pT min of protojets
+ Double_t fRapMax, fRapMin; // Eta range
+ Double_t fSplitMergeStoppingScale; // Stopping scale for split/merge procedure in case of area calculus
+
+ ClassDef(AliSISConeJetHeader,2)
+};
+
+#endif
#ifdef WITHFASTJET
#pragma link C++ class AliFastJetFinder+;
#pragma link C++ class AliFastJetHeader+;
+#pragma link C++ class AliSISConeJetFinder+;
+#pragma link C++ class AliSISConeJetHeader+;
#endif
#endif
ifneq ($(FASTJET),)
- SRCS+= AliFastJetFinder.cxx AliFastJetHeader.cxx
+ SRCS+= AliFastJetFinder.cxx AliFastJetHeader.cxx \
+ AliSISConeJetFinder.cxx AliSISConeJetHeader.cxx
endif
git://git.uio.no / u / mrichter / AliRoot.git / commitdiff