[u/mrichter/AliRoot.git] / EMCAL / AliEMCALJetFinderAlgoUA1BG.h


#ifndef ALIEMCALJETFINDERALGOUA1BG_H
#define ALIEMCALJETFINDERALGOUA1BG_H

//THIS IS SARAH'S REVISED UA1 CODE WITH CHANGES FOR ETA/PHI ITERATION INCLUDED!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
//INCLUDES BG SUBTRACTION UPFRONT!!!!!

/* 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 AliEMCALJetFinderAlgoUA1BG : public AliEMCALJetFinderAlgo
{

public:
  AliEMCALJetFinderAlgoUA1BG();
  ~AliEMCALJetFinderAlgoUA1BG();
  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(AliEMCALJetFinderAlgoUA1BG,1)

};
#endif
Commit	Line	Data
f7d5860b	1
	2	#ifndef ALIEMCALJETFINDERALGOUA1BG_H
	3	#define ALIEMCALJETFINDERALGOUA1BG_H
	4
	5	//THIS IS SARAH'S REVISED UA1 CODE WITH CHANGES FOR ETA/PHI ITERATION INCLUDED!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
	6	//INCLUDES BG SUBTRACTION UPFRONT!!!!!
	7
	8	/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	9	* * * See cxx source for full Copyright notice */
	10
	11	/* $Id$ */
	12
	13	//*--Author: Sarah Blyth (LBL)
	14	//*--Based on UA1 jet algorithm from LUND JETSET called from EMC-erj
	15
	16
	17	#include "TTask.h"
	18	#include "AliEMCALJetFinderInput.h"
	19	#include "AliEMCALJetFinderOutput.h"
	20	#include "AliEMCALJetFinderAlgo.h"
	21	#include "AliEMCALJetFinderAlgoUA1Unit.h"
	22	#include "AliEMCALJet.h"
	23	#include "AliEMCALHadronCorrectionv1.h"
	24
	25
	26	class AliEMCALJetFinderAlgoUA1BG : public AliEMCALJetFinderAlgo
	27	{
	28
	29	public:
	30	AliEMCALJetFinderAlgoUA1BG();
	31	~AliEMCALJetFinderAlgoUA1BG();
	32	void InitUnitArray();
	33	void SetNumUnits(Int_t numUnits) {fNumUnits = numUnits;}
	34	Int_t GetNumUnits() {return fNumUnits;}
	35	void SetJetESeed(Float_t eSeed) {fESeed = eSeed;}
	36	Float_t GetJetESeed() {return fESeed;}
	37	void SetConeRad(Float_t coneRad) {fConeRad = coneRad;}
	38	Float_t GetConeRad() {return fConeRad;}
	39	void SetJetEMin(Float_t jetEMin) {fJetEMin = jetEMin;}
	40	Float_t GetJetEMin() {return fJetEMin;}
	41	void SetEtMin(Float_t etMin) {fEtMin = etMin;}
	42	Float_t GetEtMin() {return fEtMin;}
	43	void SetMinMove(Float_t minMove) {fMinMove = minMove;}
	44	void SetMaxMove(Float_t maxMove) {fMaxMove = maxMove;}
	45	void SetBGMaxMove(Float_t bgMaxMove) {fBGMaxMove = bgMaxMove;}
	46	void SetPtCut(Float_t ptCut) {fPtCut = ptCut;}
	47	Float_t GetPtCut() {return fPtCut;}
	48	void SetHadronCorrection(AliEMCALHadronCorrectionv1 *hadCorr) {fHadCorr = hadCorr;}
	49	AliEMCALHadronCorrectionv1* GetHadronCorrection() {return fHadCorr;}
	50	void SetJetFindingParameters(Int_t numUnits, Float_t eSeed, Float_t coneRad, Float_t jetEMin, Float_t etMin,
	51	Float_t minMove, Float_t maxMove, Float_t bgMaxMove);
	52	void SetJetFindingParameters(Int_t numUnits, Float_t eSeed, Float_t coneRad, Float_t jetEMin, Float_t etMin);
	53	void FillUnitArray(AliEMCALJetFinderAlgoUA1FillUnitFlagType_t flag);
	54	void Sort(AliEMCALJetFinderAlgoUA1Unit* unit,Int_t integer);
	55	void FindBG();
	56	void FindJetEtaPhi(Int_t counter);
	57	void FindJetEnergy();
	58	void StoreJetInfo();
	59	void FindJets();
	60	void QS(AliEMCALJetFinderAlgoUA1Unit *unit, Int_t left, Int_t right);
	61
	62	protected:
	63	AliEMCALJetFinderAlgoUA1Unit *fUnit; //Array of JetFinder Unit objects (treated as the cells)
	64	AliEMCALHadronCorrectionv1 *fHadCorr; //Pointer to Hadron Correction Object
65	AliEMCALJet fJet; //Jet object
66	Int_t fNumIter; //Number of iterations for entire algorithm
67	Int_t fNumUnits; //Number of units in the unit object array (same as num towers in EMCAL)
68	Float_t fESeed; //Minimum energy a cell must have to be considered a jet seed
69	Float_t fConeRad; //Size of cone radius
70	Float_t fJetEMin; //Minimum energy a cluster must have to be considered a jet
71	Float_t fEtMin; //Minimum cell Et cut
72	Float_t fMinMove; //Minimum move of jet centre from its previous position
73	Float_t fMaxMove; //Maximum move allowed of jet centre from its initiator cell position
74	Float_t fBGMaxMove; //Maximum allowed change in background energy between iterations
75	Float_t fPtCut; //Pt cut for tracks to minimise background contribution
76
77	Float_t fEBGTotal; //Total background energy
78	Float_t fEBGTotalOld; //Old total background energy
79	Float_t fEBGAve; //Average background energy
80	Float_t fEnergy; //Energy
81	Float_t fJetEta; //Jet eta value
82	Float_t fJetPhi; //Jet phi value
83	Float_t fEtaInit; //Jet initiate cell eta
84	Float_t fPhiInit; //Jet initiate cell phi
85	Float_t fEtaB; //Value of jet eta Before
86	Float_t fPhiB; //Value of jet phi Before
87	Float_t fJetESum; //Sum of weighted jet energy
88	Float_t fJetEtaSum; //Sum of weighted jet eta
89	Float_t fJetPhiSum; //Sum of weighted jet phi
90	Float_t fDEta; //Offset of unit from jet eta value
91	Float_t fDPhi; //Offset of unit from jet phi value
92	Float_t fDistP; //Distance of new jet axis position from Previous position
93	Float_t fDistI; //Distance of new jet axis position from Initiator cell position
94	Float_t fTempE; //Temp E for comparing with JetEMin
95	Float_t fRad; //Distance of cell from jet cone centre
96	Int_t fNumInCone; //Number of units in the jet cone
97	Int_t fNumJets; //Number of jets in an event
98	Bool_t fArrayInitialised; //To check that array of units is initialised
99
100	ClassDef(AliEMCALJetFinderAlgoUA1BG,1)
101
102	};
103	#endif
104