1 #ifndef ALIEMCALRECPOINT_H
2 #define ALIEMCALRECPOINT_H
3 /* Copyright(c) 1998-2007, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
5 //_________________________________________________________________________
6 // Base Class for EMCAL Reconstructed Points
7 // A recpoint being equivalent to a cluster in encal terminology
8 //*-- Author: Yves Schutz (SUBATECH)
9 //*-- Author: Dmitri Peressounko (RRC KI & SUBATECH)
10 //*-- Author: Heather Gray (LBL): merged AliEMCALRecPoint and AliEMCALTowerRecPoint 02/04
12 // --- ROOT system ---
15 // --- Standard library ---
17 // --- AliRoot header files ---
19 #include "AliCluster.h"
22 class AliEMCALGeometry;
24 class AliEMCALRecPoint : public AliCluster {
28 typedef TObjArray RecPointsList ;
30 AliEMCALRecPoint() ; // ctor
31 AliEMCALRecPoint(const char * opt) ; // ctor
32 AliEMCALRecPoint(const AliEMCALRecPoint & rp);
34 AliEMCALRecPoint& operator= (const AliEMCALRecPoint &rp);
36 virtual ~AliEMCALRecPoint();
38 virtual void AddDigit(AliDigitNew &){
39 Fatal("AddDigit", "use AddDigit(AliEMCALDigit & digit, Float_t Energy )") ;
41 virtual void AddDigit(AliEMCALDigit & digit, Float_t Energy);
42 virtual Int_t Compare(const TObject * obj) const;
43 virtual Int_t DistancetoPrimitive(Int_t px, Int_t py);
44 virtual void Draw(Option_t * option="") ;
45 virtual void ExecuteEvent(Int_t event, Int_t, Int_t) ;
47 virtual void SetClusterType(Int_t ver) { fClusterType = ver; }
48 virtual Int_t GetClusterType() const { return fClusterType; }
50 virtual void EvalAll(Float_t logWeight, TClonesArray * digits);
51 virtual void EvalLocalPosition(Float_t logWeight, TClonesArray * digits);
52 virtual void EvalPrimaries(TClonesArray * digits) ;
53 virtual void EvalParents(TClonesArray * digits) ;
55 virtual int * GetDigitsList(void) const { return fDigitsList ; }
56 virtual Float_t GetEnergy() const {return fAmp; }
58 void EvalLocal2TrackingCSTransform();
59 void EvalLocalPositionFit(Double_t deff, Double_t w0, Double_t phiSlope,TClonesArray * digits);
60 Bool_t EvalLocalPosition2(TClonesArray *digits, TArrayD &ed);
62 static Bool_t EvalLocalPositionFromDigits(const Double_t esum, const Double_t deff, const Double_t w0,
63 TClonesArray *digits, TArrayD &ed, TVector3 &locPos);
64 static Bool_t EvalLocalPositionFromDigits(TClonesArray *digits, TArrayD &ed, TVector3 &locPos);
65 static void GetDeffW0(const Double_t esum, Double_t &deff, Double_t &w0);
67 virtual void GetGlobalPosition(TVector3 & gpos, TMatrixF & gmat) const; // return global position (x, y, z) in ALICE
68 virtual void GetGlobalPosition(TVector3 & gpos) const; // return global position (x, y, z) in ALICE
69 virtual void GetLocalPosition(TVector3 & lpos) const; // return local position (x, y, z) in EMCAL SM
70 virtual Int_t * GetPrimaries(Int_t & number) const {number = fMulTrack ;
71 return fTracksList ; }
72 virtual Int_t * GetParents(Int_t & number) const {number = fMulParent ;
73 return fParentsList ; }
75 virtual Int_t GetDigitsMultiplicity(void) const { return fMulDigit ; }
76 Int_t GetIndexInList() const { return fIndexInList ; }
78 Float_t GetCoreEnergy()const {return fCoreEnergy ;}
79 virtual Float_t GetDispersion()const {return fDispersion ;}
80 virtual void GetElipsAxis(Float_t * lambda)const {lambda[0] = fLambda[0]; lambda[1] = fLambda[1];};
82 Float_t * GetEnergiesList() const {return fEnergyList ;} // gets the list of energies making this recpoint
83 Double_t GetPointEnergy() const; // gets point energy (sum of energy list)
84 Float_t * GetTimeList() const {return fTimeList ;} // gets the list of digit times in this recpoint
85 Float_t GetMaximalEnergy(void) const ; // get the highest energy in the cluster
86 Int_t GetMaximumMultiplicity() const {return fMaxDigit ;} // gets the maximum number of digits allowed
87 Int_t GetMultiplicity(void) const { return fMulDigit ; } // gets the number of digits making this recpoint
88 Int_t GetMultiplicityAtLevel(Float_t level) const ; // computes multiplicity of digits with
89 Int_t * GetAbsId() const {return fAbsIdList;}
90 Int_t GetAbsId(int i) const {if(i>=0 && i<fMulDigit)return fAbsIdList[i]; else return -1;}
91 Int_t GetAbsIdMaxDigit() {return GetAbsId(fDigitIndMax);}
92 Int_t GetIndMaxDigit() {return fDigitIndMax;}
93 void SetIndMaxDigit(const Int_t ind) {fDigitIndMax = ind;}
94 void SetIndexInList(Int_t val) { fIndexInList = val ; }
96 virtual Int_t GetSuperModuleNumber(void) const { return fSuperModuleNumber;}
98 // energy above relative level
99 virtual Int_t GetNumberOfLocalMax(AliEMCALDigit ** maxAt, Float_t * maxAtEnergy,
100 Float_t locMaxCut,TClonesArray * digits ) const ;
101 // searches for the local maxima
103 Int_t GetPrimaryIndex() const ;
104 Float_t GetTime(void) const{return fTime ; }
106 virtual Bool_t IsEmc(void)const { return kTRUE ; }
107 virtual Bool_t IsSortable() const {
108 // tells that this is a sortable object
111 virtual void Paint(Option_t * option="");
112 virtual void Print(Option_t * option="") const ;
114 static Double_t TmaxInCm(const Double_t e=0.0, const Int_t key=0);
117 void EvalCoreEnergy(Float_t logWeight,TClonesArray * digits) ;
118 virtual void EvalDispersion(Float_t logWeight,TClonesArray * digits) ; // computes the dispersion of the shower
119 virtual void EvalElipsAxis(Float_t logWeight, TClonesArray * digits ); // computes the axis of shower ellipsoide
120 void EvalTime( TClonesArray * digits );
121 virtual Bool_t AreNeighbours(AliEMCALDigit * digit1, AliEMCALDigit * digit2 ) const;
122 Float_t ThetaToEta(Float_t arg) const; //Converts Theta (Radians) to Eta(Radians)
123 Float_t EtaToTheta(Float_t arg) const; //Converts Eta (Radians) to Theta(Radians)
127 //JLK do we need this?
128 AliEMCALGeometry* fGeomPtr; //! Pointer to geometry for utilities
130 Float_t fAmp ; // summed amplitude of digits
131 Int_t fIndexInList ; // the index of this RecPoint in the
132 // list stored in TreeR (to be set by analysis)
133 TVector3 fLocPos ; // local position in the sub-detector coordinate
134 TMatrixF * fLocPosM ; // covariance matrix ;
135 Int_t fMaxDigit ; //! max initial size of digits array (not saved)
136 Int_t fMulDigit ; // total multiplicity of digits
137 Int_t fMaxTrack ; //! max initial size of tracks array (not saved)
138 Int_t fMulTrack ; // total multiplicity of tracks
139 Int_t * fDigitsList ; //[fMulDigit] list of digit's indexes from which the point was reconstructed
140 Int_t * fTracksList ; //[fMulTrack] list of tracks to which the point was assigned
142 Int_t fClusterType; // type of cluster stored: pseudocluster or v1
143 Float_t fCoreEnergy ; // energy in a shower core
144 Float_t fLambda[2] ; // shower ellipse axes
145 Float_t fDispersion ; // shower dispersion
146 Float_t *fEnergyList ; //[fMulDigit] energy of digits
147 Float_t *fTimeList ; //[fMulDigit] time of digits
148 Int_t *fAbsIdList; //[fMulDigit] absId of digits
149 Float_t fTime ; // Time of the digit with maximal energy deposition
150 Float_t fCoreRadius; // The radius in which the core energy is evaluated
151 Float_t *fDETracksList ; //[fMulTrack] list of tracks to which the point was assigned
152 Int_t fMulParent; // Multiplicity of the parents
153 Int_t fMaxParent; // Maximum number of parents allowed
154 Int_t * fParentsList; // [fMulParent] list of the parents of the digits
155 Float_t * fDEParentsList; // [fMulParent] list of the parents of the digits
156 Int_t fSuperModuleNumber; // number identifying supermodule containing recpoint
158 Int_t fDigitIndMax; // Index of digit with max energy in array fAbsIdList
160 ClassDef(AliEMCALRecPoint,10) // RecPoint for EMCAL (Base Class)
164 #endif // AliEMCALRECPOINT_H