/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
* See cxx source for full Copyright notice */
-//////////////////////////////////////////////////
-// Rec Point in the EM calorimeter of PHOS //
-// //
-// Author Dmitri Peressounko RRC KI //
-// comment: contains list of AliPHOSDigit's * //
-// and evaluates a few average values //
-//////////////////////////////////////////////////
+/* $Id$ */
-// --- ROOT system ---
+//_________________________________________________________________________
+// RecPoint implementation for PHOS-EMC
+// An EmcRecPoint is a cluster of digits
+//
+//*-- Author: Dmitri Peressounko (RRC KI & SUBATECH)
-#include "TObject.h"
+// --- ROOT system ---
+//#include "TObject.h"
+#include "TArrayI.h"
+
// --- Standard library ---
// --- AliRoot header files ---
public:
- AliPHOSEmcRecPoint() ;
- AliPHOSEmcRecPoint(Float_t W0, Float_t LocMaxCut) ;
- // virtual ~AliPHOSEmcRecPoint() ;
- void AddDigit(AliDigitNew & digit, Float_t Energy) ; // add a digit to the digits list
- Int_t Compare(TObject * obj) ; // method for sorting
-
- Float_t GetDelta (){ return fDelta ; }
- Float_t GetDispersion() ; // computes the dispersion of the shower
- void GetElipsAxis(Float_t * lambda) ; // computes the axis of shower ellipsoide
- Float_t * GetEnergiesList(){return fEnergyList ;}
- Float_t GetLocMaxCut () {return fLocMaxCut ; }
- Float_t GetLogWeightCut (){return fW0 ; }
- Float_t GetMaximalEnergy(void) ; // get the highest energy in the cluster
- Int_t GetMaximumMultiplicity() { return fMaxDigit ; }
- Int_t GetMultiplicity(void) const { return fMulDigit ; }
- Int_t GetMultiplicityAtLevel(const Float_t level) ; // computes multiplicity of digits with energy above relative level
- Int_t GetNumberOfLocalMax(int * maxAt, Float_t * maxAtEnergy) ; // searches for the local maxima
+ AliPHOSEmcRecPoint() ;
+ AliPHOSEmcRecPoint(const char * opt) ;
+ AliPHOSEmcRecPoint(const AliPHOSEmcRecPoint & rp) ;
- Float_t GetTotalEnergy(void) const { return fAmp ; } // in EMC RecPoint Amp = Energy
- void GetLocalPosition(TVector3 &Lpos) ; // computes the position in the PHOS module
- Bool_t IsEmc(void) {return kTRUE ; }
- Bool_t IsSortable() const { return kTRUE ; }
- void Print(Option_t * opt = "void") ;
-
-private:
-
- Bool_t AreNeighbours(AliPHOSDigit * digit1, AliPHOSDigit * digit2 ) ;
-
-public:
-
- // AliPHOSEmcRecPoint& operator = (AliPHOSEmcRecPoint clu) ;
+ virtual ~AliPHOSEmcRecPoint() ;
+
+ virtual void AddDigit(AliPHOSDigit & digit, Float_t Energy) ; // add a digit to the digits list
+ Int_t Compare(const TObject * obj) const; // method for sorting
+
+ virtual void EvalAll(Float_t logWeight,TClonesArray * digits) ;
+
+ virtual void ExecuteEvent(Int_t event, Int_t px, Int_t py) const;
+
+ Float_t GetCoreEnergy()const {return fCoreEnergy ;}
+ virtual Float_t GetDispersion()const {return fDispersion ;}
+ virtual void GetElipsAxis(Float_t * lambda)const { lambda[0] = fLambda[0] ;
+ lambda[1] = fLambda[1] ; }
+ Float_t * GetEnergiesList() const {return fEnergyList ;} // gets the list of energies making this recpoint
+ Float_t GetMaximalEnergy(void) const ; // get the highest energy in the cluster
+ Int_t GetMaximumMultiplicity() const {return fMaxDigit ;} // gets the maximum number of digits allowed
+ Int_t GetMultiplicity(void) const { return fMulDigit ; } // gets the number of digits making this recpoint
+ Int_t GetMultiplicityAtLevel(const Float_t level) const ; // computes multiplicity of digits with
+ // energy above relative level
+ Short_t GetNExMax(void) const {return fNExMax ;} // Number of maxima found in cluster in unfolding:
+ // 0: was no unfolging
+ //-1: unfolding failed
+ void SetNExMax(Int_t nmax=1){fNExMax = static_cast<Short_t>(nmax) ;}
+ virtual Int_t GetNumberOfLocalMax(AliPHOSDigit ** maxAt, Float_t * maxAtEnergy,
+ Float_t locMaxCut,TClonesArray * digits ) const ;
+ // searches for the local maxima
+ //returns number of local maxima in parent cluster or -2 if unfolding failed
+ Float_t GetTime(void) const{return fTime ; }
+ Bool_t IsEmc(void) const { return kTRUE ; } // true if the recpoint is in EMC
+ Bool_t IsSortable() const {return kTRUE ; } // says that emcrecpoints are sortable objects
+ void Print(Option_t * opt = "void")const ;
+ void Purify(Float_t threshold) ; //Removes digits below threshold
+
+ Float_t GetM2x() const {return fM2x; } // Get second X-moment
+ Float_t GetM2z() const {return fM2z; } // Get second Z-moment
+ Float_t GetM3x() const {return fM3x; } // Get third X-moment
+ Float_t GetM4z() const {return fM4z; } // Get forth Z-moment
+ Float_t GetPhixe() const {return fPhixe;} // Get angle between center gravity and eigen vector
+
+ AliPHOSEmcRecPoint & operator = (const AliPHOSEmcRecPoint & rvalue) { return *this ; }
+
+ protected:
+ void EvalCoreEnergy(Float_t logWeight,TClonesArray * digits) ;
+ virtual void EvalLocalPosition(Float_t logWeight,TClonesArray * digits) ;// computes the position in the PHOS module
+ virtual void EvalDispersion(Float_t logWeight,TClonesArray * digits) ; // computes the dispersion of the shower
+ virtual void EvalElipsAxis(Float_t logWeight, TClonesArray * digits ); // computes the axis of shower ellipsoide
+ void EvalMoments(Float_t logWeight, TClonesArray * digits ); // computes shower moments
+ void EvalTime( TClonesArray * digits );
+ virtual Bool_t AreNeighbours(AliPHOSDigit * digit1, AliPHOSDigit * digit2 ) const ;
+
+ Float_t fCoreEnergy ; // energy in a shower core
+ Float_t fLambda[2] ; // shower ellipse axes
+ Float_t fDispersion ; // shower dispersion
+ Float_t *fEnergyList ; //[fMulDigit] energy of digits
+ Float_t fTime ; // Time of the digit with maximal energy deposition
+ Short_t fNExMax ; // number of (Ex-)maxima before unfolding
+
+ Float_t fM2x; // Second moment along X axis
+ Float_t fM2z; // Second moment along Z axis
+ Float_t fM3x; // Third moment along X axis
+ Float_t fM4z; // Forth moment along Z axis
+ Float_t fPhixe; // Angle between center-gravity vector and eigen vector
+
+ Int_t fDebug; //! debug level (0 - no output)
-private:
- Float_t fDelta ; // parameter used to sort the clusters
- Float_t fLocMaxCut ; // parameter used for local maximum searc
- Float_t * fEnergyList ; //energy of digits
- Float_t fW0 ; // logarithmic weight factor for center of gravity calculation
-
-public:
-
-ClassDef(AliPHOSEmcRecPoint,1) // EMC cluster, version 1
+ ClassDef(AliPHOSEmcRecPoint,2) // EMC RecPoint (cluster)
};