1 #ifndef ALIPHOSEMCRECPOINT_H
2 #define ALIPHOSEMCRECPOINT_H
3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
8 //_________________________________________________________________________
9 // RecPoint implementation for PHOS-EMC
10 // An EmcRecPoint is a cluster of digits
12 //*-- Author: Dmitri Peressounko (RRC KI & SUBATECH)
14 // --- ROOT system ---
16 //#include "TObject.h"
19 // --- Standard library ---
21 // --- AliRoot header files ---
23 #include "AliPHOSDigit.h"
24 #include "AliPHOSRecPoint.h"
26 class AliPHOSEmcRecPoint : public AliPHOSRecPoint {
30 AliPHOSEmcRecPoint() ;
31 AliPHOSEmcRecPoint(const char * opt) ;
32 AliPHOSEmcRecPoint(const AliPHOSEmcRecPoint & rp) ;
34 virtual ~AliPHOSEmcRecPoint() ;
36 virtual void AddDigit(AliPHOSDigit & digit, Float_t Energy) ; // add a digit to the digits list
37 Int_t Compare(const TObject * obj) const; // method for sorting
39 virtual void EvalAll(Float_t logWeight,TClonesArray * digits) ;
41 virtual void ExecuteEvent(Int_t event, Int_t px, Int_t py) const;
43 Float_t GetCoreEnergy()const {return fCoreEnergy ;}
44 virtual Float_t GetDispersion()const {return fDispersion ;}
45 virtual void GetElipsAxis(Float_t * lambda)const { lambda[0] = fLambda[0] ;
46 lambda[1] = fLambda[1] ; }
47 Float_t * GetEnergiesList() const {return fEnergyList ;} // gets the list of energies making this recpoint
48 Float_t GetMaximalEnergy(void) const ; // get the highest energy in the cluster
49 Int_t GetMaximumMultiplicity() const {return fMaxDigit ;} // gets the maximum number of digits allowed
50 Int_t GetMultiplicity(void) const { return fMulDigit ; } // gets the number of digits making this recpoint
51 Int_t GetMultiplicityAtLevel(const Float_t level) const ; // computes multiplicity of digits with
52 // energy above relative level
53 Short_t GetNExMax(void) const {return fNExMax ;} // Number of maxima found in cluster in unfolding:
54 // 0: was no unfolging
55 //-1: unfolding failed
56 void SetNExMax(Int_t nmax=1){fNExMax = static_cast<Short_t>(nmax) ;}
57 virtual Int_t GetNumberOfLocalMax(AliPHOSDigit ** maxAt, Float_t * maxAtEnergy,
58 Float_t locMaxCut,TClonesArray * digits ) const ;
59 // searches for the local maxima
60 //returns number of local maxima in parent cluster or -2 if unfolding failed
61 Float_t GetTime(void) const{return fTime ; }
62 Bool_t IsEmc(void) const { return kTRUE ; } // true if the recpoint is in EMC
63 Bool_t IsSortable() const {return kTRUE ; } // says that emcrecpoints are sortable objects
64 void Print(Option_t *)const ;
65 void Purify(Float_t threshold) ; //Removes digits below threshold
67 Float_t GetM2x() const {return fM2x; } // Get second X-moment
68 Float_t GetM2z() const {return fM2z; } // Get second Z-moment
69 Float_t GetM3x() const {return fM3x; } // Get third X-moment
70 Float_t GetM4z() const {return fM4z; } // Get forth Z-moment
71 Float_t GetPhixe() const {return fPhixe;} // Get angle between center gravity and eigen vector
73 AliPHOSEmcRecPoint & operator = (const AliPHOSEmcRecPoint & /*rvalue*/) { return *this ; }
76 void EvalCoreEnergy(Float_t logWeight,TClonesArray * digits) ;
77 virtual void EvalLocalPosition(Float_t logWeight,TClonesArray * digits) ;// computes the position in the PHOS module
78 virtual void EvalDispersion(Float_t logWeight,TClonesArray * digits) ; // computes the dispersion of the shower
79 virtual void EvalElipsAxis(Float_t logWeight, TClonesArray * digits ); // computes the axis of shower ellipsoide
80 void EvalMoments(Float_t logWeight, TClonesArray * digits ); // computes shower moments
81 void EvalTime( TClonesArray * digits );
82 virtual Bool_t AreNeighbours(AliPHOSDigit * digit1, AliPHOSDigit * digit2 ) const ;
84 Float_t fCoreEnergy ; // energy in a shower core
85 Float_t fLambda[2] ; // shower ellipse axes
86 Float_t fDispersion ; // shower dispersion
87 Float_t *fEnergyList ; //[fMulDigit] energy of digits
88 Float_t fTime ; // Time of the digit with maximal energy deposition
89 Short_t fNExMax ; // number of (Ex-)maxima before unfolding
91 Float_t fM2x; // Second moment along X axis
92 Float_t fM2z; // Second moment along Z axis
93 Float_t fM3x; // Third moment along X axis
94 Float_t fM4z; // Forth moment along Z axis
95 Float_t fPhixe; // Angle between center-gravity vector and eigen vector
97 Int_t fDebug; //! debug level (0 - no output)
99 ClassDef(AliPHOSEmcRecPoint,2) // EMC RecPoint (cluster)
103 #endif // AliPHOSEMCRECPOINT_H