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 "AliRecPoint.h"
21 class AliEMCALGeometry;
23 class AliEMCALRecPoint : public AliRecPoint {
27 typedef TObjArray RecPointsList ;
29 AliEMCALRecPoint() ; // ctor
30 AliEMCALRecPoint(const char * opt) ; // ctor
31 AliEMCALRecPoint(const AliEMCALRecPoint & rp);
33 virtual ~AliEMCALRecPoint();
34 virtual void AddDigit(AliDigitNew &){ Fatal("AddDigit", "use AddDigit(AliEMCALDigit & digit, Float_t Energy )") ; }
35 virtual void AddDigit(AliEMCALDigit & digit, Float_t Energy);
36 virtual Int_t Compare(const TObject * obj) const;
37 virtual Int_t DistancetoPrimitive(Int_t px, Int_t py);
38 virtual void Draw(Option_t * option="") ;
39 virtual void ExecuteEvent(Int_t event, Int_t, Int_t) ;
41 virtual void SetClusterType(Int_t ver) { fClusterType = ver; }
42 virtual Int_t GetClusterType() const { return fClusterType; }
44 virtual void EvalAll(Float_t logWeight, TClonesArray * digits);
45 virtual void EvalLocalPosition(Float_t logWeight, TClonesArray * digits);
46 virtual void EvalPrimaries(TClonesArray * digits) ;
47 virtual void EvalParents(TClonesArray * digits) ;
49 // void EvalLocalPositionSimple(TClonesArray *digits); // ??
50 void EvalLocalPositionFit(Double_t deff, Double_t w0, Double_t phiSlope,TClonesArray * digits);
51 Bool_t EvalLocalPosition2(TClonesArray *digits, TArrayD &ed);
53 static Bool_t EvalLocalPositionFromDigits(const Double_t esum, const Double_t deff, const Double_t w0,
54 TClonesArray *digits, TArrayD &ed, TVector3 &locPos);
55 static Bool_t EvalLocalPositionFromDigits(TClonesArray *digits, TArrayD &ed, TVector3 &locPos);
56 static void GetDeffW0(const Double_t esum, Double_t &deff, Double_t &w0);
58 using AliRecPoint::GetGlobalPosition;
59 virtual void GetGlobalPosition(TVector3 & gpos) const; // return global position (x, y, z) in ALICE
60 virtual void GetLocalPosition(TVector3 & lpos) const; // return local position (x, y, z) in EMCAL SM
61 virtual Int_t * GetPrimaries(Int_t & number) const {number = fMulTrack ;
62 return fTracksList ; }
63 virtual Int_t * GetParents(Int_t & number) const {number = fMulParent ;
64 return fParentsList ; }
65 Float_t GetCoreEnergy()const {return fCoreEnergy ;}
66 virtual Float_t GetDispersion()const {return fDispersion ;}
67 virtual void GetElipsAxis(Float_t * lambda)const {lambda[0] = fLambda[0]; lambda[1] = fLambda[1];};
69 Float_t * GetEnergiesList() const {return fEnergyList ;} // gets the list of energies making this recpoint
70 Double_t GetPointEnergy() const; // gets point energy (sum of energy list)
71 Float_t * GetTimeList() const {return fTimeList ;} // gets the list of digit times in this recpoint
72 Float_t GetMaximalEnergy(void) const ; // get the highest energy in the cluster
73 Int_t GetMaximumMultiplicity() const {return fMaxDigit ;} // gets the maximum number of digits allowed
74 Int_t GetMultiplicity(void) const { return fMulDigit ; } // gets the number of digits making this recpoint
75 Int_t GetMultiplicityAtLevel(Float_t level) const ; // computes multiplicity of digits with
76 Int_t * GetAbsId() const {return fAbsIdList;}
77 Int_t GetAbsId(int i) const {if(i>=0 && i<fMulDigit)return fAbsIdList[i]; else return -1;}
78 Int_t GetAbsIdMaxDigit() {return GetAbsId(fDigitIndMax);}
79 Int_t GetIndMaxDigit() {return fDigitIndMax;}
80 void SetIndMaxDigit(const Int_t ind) {fDigitIndMax = ind;}
81 // energy above relative level
82 virtual Int_t GetNumberOfLocalMax(AliEMCALDigit ** maxAt, Float_t * maxAtEnergy,
83 Float_t locMaxCut,TClonesArray * digits ) const ;
84 // searches for the local maxima
86 Int_t GetPrimaryIndex() const ;
87 Float_t GetTime(void) const{return fTime ; }
89 virtual Bool_t IsEmc(void)const { return kTRUE ; }
90 virtual Bool_t IsSortable() const {
91 // tells that this is a sortable object
94 virtual void Paint(Option_t * option="");
95 virtual void Print(Option_t * option="") const ;
97 AliEMCALRecPoint & operator = (const AliEMCALRecPoint & ) {
98 Fatal("operator =", "not implemented") ;
101 static Double_t TmaxInCm(const Double_t e=0.0, const Int_t key=0);
104 void EvalCoreEnergy(Float_t logWeight,TClonesArray * digits) ;
105 virtual void EvalDispersion(Float_t logWeight,TClonesArray * digits) ; // computes the dispersion of the shower
106 virtual void EvalElipsAxis(Float_t logWeight, TClonesArray * digits ); // computes the axis of shower ellipsoide
107 void EvalTime( TClonesArray * digits );
108 virtual Bool_t AreNeighbours(AliEMCALDigit * digit1, AliEMCALDigit * digit2 ) const;
109 Float_t ThetaToEta(Float_t arg) const; //Converts Theta (Radians) to Eta(Radians)
110 Float_t EtaToTheta(Float_t arg) const; //Converts Eta (Radians) to Theta(Radians)
113 AliEMCALGeometry* fGeomPtr; //! Pointer to geometry for utilities
115 Int_t fClusterType; // type of cluster stored:
116 // pseudocluster or v1
117 Float_t fCoreEnergy ; // energy in a shower core
118 Float_t fLambda[2] ; // shower ellipse axes
119 Float_t fDispersion ; // shower dispersion
120 Float_t *fEnergyList ; //[fMulDigit] energy of digits
121 Float_t *fTimeList ; //[fMulDigit] time of digits
122 Int_t *fAbsIdList; //[fMulDigit] absId of digits
123 Float_t fTime ; // Time of the digit with maximal energy deposition
124 Float_t fCoreRadius; // The radius in which the core energy is evaluated
125 Float_t *fDETracksList ; //[fMulTrack] list of tracks to which the point was assigned
126 Int_t fMulParent; // Multiplicity of the parents
127 Int_t fMaxParent; // Maximum number of parents allowed
128 Int_t * fParentsList; // [fMulParent] list of the parents of the digits
129 Float_t * fDEParentsList; // [fMulParent] list of the parents of the digits
130 Int_t fSuperModuleNumber; // number identifying supermodule containing recpoint
132 Int_t fDigitIndMax; // Index of digit with max energy in array fAbsIdList
133 ClassDef(AliEMCALRecPoint,9) // RecPoint for EMCAL (Base Class)
137 #endif // AliEMCALRECPOINT_H