[u/mrichter/AliRoot.git] / EMCAL / AliEMCALJetFinderAlgoUA1.h


#ifndef ALIEMCALJETFINDERALGOUA1_H
#define ALIEMCALJETFINDERALGOUA1_H


/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 *  *  * See cxx source for full Copyright notice     */

/* $Id$ */

//*--Author: Sarah Blyth (LBL)
//*--Based on UA1 jet algorithm from LUND JETSET called from EMC-erj


#include "TTask.h"
#include "AliEMCALJetFinderInput.h"
#include "AliEMCALJetFinderOutput.h"
#include "AliEMCALJetFinderAlgo.h"
#include "AliEMCALJetFinderAlgoUA1Unit.h"
#include "AliEMCALJet.h"
#include "AliEMCALHadronCorrectionv1.h"


class AliEMCALJetFinderAlgoUA1 : public AliEMCALJetFinderAlgo
{

public:
  AliEMCALJetFinderAlgoUA1();
  ~AliEMCALJetFinderAlgoUA1();
  void InitUnitArray();                      
  void SetNumUnits(Int_t numUnits)           {fNumUnits = numUnits;}
  Int_t GetNumUnits()                        {return fNumUnits;}
  void SetJetESeed(Float_t eSeed)            {fESeed = eSeed;}
  Float_t GetJetESeed()                      {return fESeed;}
  void SetConeRad(Float_t coneRad)           {fConeRad = coneRad;}
  Float_t GetConeRad()                       {return fConeRad;}
  void SetJetEMin(Float_t jetEMin)           {fJetEMin = jetEMin;}
  Float_t GetJetEMin()                       {return fJetEMin;}
  void SetEtMin(Float_t etMin)               {fEtMin = etMin;}
  Float_t GetEtMin()                         {return fEtMin;}
  void SetMinMove(Float_t minMove)           {fMinMove = minMove;}
  void SetMaxMove(Float_t maxMove)           {fMaxMove = maxMove;}
  void SetBGMaxMove(Float_t bgMaxMove)       {fBGMaxMove = bgMaxMove;}
  void SetPtCut(Float_t ptCut)               {fPtCut = ptCut;}
  Float_t GetPtCut()                         {return fPtCut;}
  void SetHadronCorrection(AliEMCALHadronCorrectionv1 *hadCorr) {fHadCorr = hadCorr;}
  AliEMCALHadronCorrectionv1* GetHadronCorrection() {return fHadCorr;}
  void SetJetFindingParameters(Int_t numUnits, Float_t eSeed, Float_t coneRad, Float_t jetEMin, Float_t etMin, 
                               Float_t minMove, Float_t maxMove, Float_t bgMaxMove); 
  void SetJetFindingParameters(Int_t numUnits, Float_t eSeed, Float_t coneRad, Float_t jetEMin, Float_t etMin);
  void FillUnitArray(AliEMCALJetFinderAlgoUA1FillUnitFlagType_t flag);
  void Sort(AliEMCALJetFinderAlgoUA1Unit* unit,Int_t integer);
  void FindBG();
  void FindJetEtaPhi(Int_t counter);
  void FindJetEnergy();
  void StoreJetInfo();
  void FindJets();
  void QS(AliEMCALJetFinderAlgoUA1Unit *unit, Int_t left, Int_t right);

protected:
  AliEMCALJetFinderAlgoUA1Unit   *fUnit; //Array of JetFinder Unit objects (treated as the cells)
  AliEMCALHadronCorrectionv1 *fHadCorr; //Pointer to Hadron Correction Object
  AliEMCALJet       fJet;              //Jet object
  Int_t             fNumIter;          //Number of iterations for entire algorithm
  Int_t             fNumUnits;         //Number of units in the unit object array (same as num towers in EMCAL)
  Float_t           fESeed;            //Minimum energy a cell must have to be considered a jet seed
  Float_t           fConeRad;          //Size of cone radius 
  Float_t           fJetEMin;          //Minimum energy a cluster must have to be considered a jet
  Float_t           fEtMin;            //Minimum cell Et cut
  Float_t           fMinMove;          //Minimum move of jet centre from its previous position
  Float_t           fMaxMove;          //Maximum move allowed of jet centre from its initiator cell position
  Float_t           fBGMaxMove;        //Maximum allowed change in background energy between iterations 
  Float_t           fPtCut;            //Pt cut for tracks to minimise background contribution

  Float_t           fEBGTotal;         //Total background energy
  Float_t           fEBGTotalOld;      //Old total background energy
  Float_t           fEBGAve;           //Average background energy
  Float_t           fEnergy;           //Energy 
  Float_t           fJetEta;           //Jet eta value
  Float_t           fJetPhi;           //Jet phi value
  Float_t           fEtaInit;          //Jet initiate cell eta
  Float_t           fPhiInit;          //Jet initiate cell phi
  Float_t           fEtaB;             //Value of jet eta Before
  Float_t           fPhiB;             //Value of jet phi Before
  Float_t           fJetESum;          //Sum of weighted jet energy
  Float_t           fJetEtaSum;        //Sum of weighted jet eta
  Float_t           fJetPhiSum;        //Sum of weighted jet phi
  Float_t           fDEta;             //Offset of unit from jet eta value
  Float_t           fDPhi;             //Offset of unit from jet phi value
  Float_t           fDistP;            //Distance of new jet axis position from Previous position
  Float_t           fDistI;            //Distance of new jet axis position from Initiator cell position
  Float_t           fTempE;            //Temp E for comparing with JetEMin
  Float_t           fRad;              //Distance of cell from jet cone centre
  Int_t             fNumInCone;        //Number of units in the jet cone
  Int_t             fNumJets;          //Number of jets in an event
  Bool_t            fArrayInitialised; //To check that array of units is initialised

  ClassDef(AliEMCALJetFinderAlgoUA1,1)

};
#endif
Commit	Line	Data
f7d5860b	1
	2	#ifndef ALIEMCALJETFINDERALGOUA1_H
	3	#define ALIEMCALJETFINDERALGOUA1_H
	4
	5
	6	/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	7	* * * See cxx source for full Copyright notice */
	8
	9	/* $Id$ */
	10
	11	//*--Author: Sarah Blyth (LBL)
	12	//*--Based on UA1 jet algorithm from LUND JETSET called from EMC-erj
	13
	14
	15	#include "TTask.h"
	16	#include "AliEMCALJetFinderInput.h"
	17	#include "AliEMCALJetFinderOutput.h"
	18	#include "AliEMCALJetFinderAlgo.h"
	19	#include "AliEMCALJetFinderAlgoUA1Unit.h"
	20	#include "AliEMCALJet.h"
	21	#include "AliEMCALHadronCorrectionv1.h"
	22
	23
	24	class AliEMCALJetFinderAlgoUA1 : public AliEMCALJetFinderAlgo
	25	{
	26
	27	public:
	28	AliEMCALJetFinderAlgoUA1();
	29	~AliEMCALJetFinderAlgoUA1();
	30	void InitUnitArray();
	31	void SetNumUnits(Int_t numUnits) {fNumUnits = numUnits;}
	32	Int_t GetNumUnits() {return fNumUnits;}
	33	void SetJetESeed(Float_t eSeed) {fESeed = eSeed;}
	34	Float_t GetJetESeed() {return fESeed;}
	35	void SetConeRad(Float_t coneRad) {fConeRad = coneRad;}
	36	Float_t GetConeRad() {return fConeRad;}
	37	void SetJetEMin(Float_t jetEMin) {fJetEMin = jetEMin;}
	38	Float_t GetJetEMin() {return fJetEMin;}
	39	void SetEtMin(Float_t etMin) {fEtMin = etMin;}
	40	Float_t GetEtMin() {return fEtMin;}
	41	void SetMinMove(Float_t minMove) {fMinMove = minMove;}
	42	void SetMaxMove(Float_t maxMove) {fMaxMove = maxMove;}
	43	void SetBGMaxMove(Float_t bgMaxMove) {fBGMaxMove = bgMaxMove;}
	44	void SetPtCut(Float_t ptCut) {fPtCut = ptCut;}
	45	Float_t GetPtCut() {return fPtCut;}
	46	void SetHadronCorrection(AliEMCALHadronCorrectionv1 *hadCorr) {fHadCorr = hadCorr;}
	47	AliEMCALHadronCorrectionv1* GetHadronCorrection() {return fHadCorr;}
	48	void SetJetFindingParameters(Int_t numUnits, Float_t eSeed, Float_t coneRad, Float_t jetEMin, Float_t etMin,
	49	Float_t minMove, Float_t maxMove, Float_t bgMaxMove);
	50	void SetJetFindingParameters(Int_t numUnits, Float_t eSeed, Float_t coneRad, Float_t jetEMin, Float_t etMin);
	51	void FillUnitArray(AliEMCALJetFinderAlgoUA1FillUnitFlagType_t flag);
	52	void Sort(AliEMCALJetFinderAlgoUA1Unit* unit,Int_t integer);
	53	void FindBG();
	54	void FindJetEtaPhi(Int_t counter);
	55	void FindJetEnergy();
	56	void StoreJetInfo();
	57	void FindJets();
	58	void QS(AliEMCALJetFinderAlgoUA1Unit *unit, Int_t left, Int_t right);
	59
	60	protected:
	61	AliEMCALJetFinderAlgoUA1Unit *fUnit; //Array of JetFinder Unit objects (treated as the cells)
	62	AliEMCALHadronCorrectionv1 *fHadCorr; //Pointer to Hadron Correction Object
	63	AliEMCALJet fJet; //Jet object
	64	Int_t fNumIter; //Number of iterations for entire algorithm
65	Int_t fNumUnits; //Number of units in the unit object array (same as num towers in EMCAL)
66	Float_t fESeed; //Minimum energy a cell must have to be considered a jet seed
67	Float_t fConeRad; //Size of cone radius
68	Float_t fJetEMin; //Minimum energy a cluster must have to be considered a jet
69	Float_t fEtMin; //Minimum cell Et cut
70	Float_t fMinMove; //Minimum move of jet centre from its previous position
71	Float_t fMaxMove; //Maximum move allowed of jet centre from its initiator cell position
72	Float_t fBGMaxMove; //Maximum allowed change in background energy between iterations
73	Float_t fPtCut; //Pt cut for tracks to minimise background contribution
74
75	Float_t fEBGTotal; //Total background energy
76	Float_t fEBGTotalOld; //Old total background energy
77	Float_t fEBGAve; //Average background energy
78	Float_t fEnergy; //Energy
79	Float_t fJetEta; //Jet eta value
80	Float_t fJetPhi; //Jet phi value
81	Float_t fEtaInit; //Jet initiate cell eta
82	Float_t fPhiInit; //Jet initiate cell phi
83	Float_t fEtaB; //Value of jet eta Before
84	Float_t fPhiB; //Value of jet phi Before
85	Float_t fJetESum; //Sum of weighted jet energy
86	Float_t fJetEtaSum; //Sum of weighted jet eta
87	Float_t fJetPhiSum; //Sum of weighted jet phi
88	Float_t fDEta; //Offset of unit from jet eta value
89	Float_t fDPhi; //Offset of unit from jet phi value
90	Float_t fDistP; //Distance of new jet axis position from Previous position
91	Float_t fDistI; //Distance of new jet axis position from Initiator cell position
92	Float_t fTempE; //Temp E for comparing with JetEMin
93	Float_t fRad; //Distance of cell from jet cone centre
94	Int_t fNumInCone; //Number of units in the jet cone
95	Int_t fNumJets; //Number of jets in an event
96	Bool_t fArrayInitialised; //To check that array of units is initialised
97
98	ClassDef(AliEMCALJetFinderAlgoUA1,1)
99
100	};
101	#endif
102