/* $Id$ */
-////////////////////////////////////////////////
-// Clusterizer implementation version 1 //
-// algorithme class //
-// //
-// Author Yves Schutz SUBATECH //
-// //
-// //
-////////////////////////////////////////////////
+//_________________________________________________________________________
+// Implementation version 1 of the clusterization algorithm
+//
+//*-- Author: Yves Schutz (SUBATECH)
// --- ROOT system ---
// --- AliRoot header files ---
#include "AliPHOSClusterizer.h"
-#include "AliPHOSDigit.h"
-
+class AliPHOSEmcRecPoint ;
+class AliPHOSDigit ;
+class AliPHOSDigitizer ;
+class AliPHOSGeometry ;
class AliPHOSClusterizerv1 : public AliPHOSClusterizer {
public:
AliPHOSClusterizerv1() ; // ctor
- virtual ~AliPHOSClusterizerv1(){} ; // dtor
+ AliPHOSClusterizerv1(const char * headerFile,const char *digitsBrancheTitle=0);
+ virtual ~AliPHOSClusterizerv1(){} // dtor
- Int_t AreNeighbours(AliPHOSDigit * d1, AliPHOSDigit * d2) ; // Checks if digits are in neighbour cells
- Float_t Calibrate(Int_t Amp){ return (fA + fB * Amp) ;} // Tranforms Amp to energy
- void FillandSort(const DigitsList * dl, TObjArray * tl) ; // Sorts the list according to increasing id
- virtual void GetNumberOfClustersFound(Int_t * numb) ;
-
- virtual void GetCalibrationParameters(Float_t & A, Float_t &B) { A = fA; B = fB; }
- virtual Float_t GetEmcClusteringThreshold() { return fEmcClusteringThreshold;}
- virtual Float_t GetEmcEnergyThreshold() { return fEmcEnergyThreshold; }
- virtual Float_t GetLocalMaxCut() { return fLocMaxCut;}
- virtual Float_t GetLogWeightCut() { return fW0;}
- virtual Float_t GetPpsdClusteringThreshold() { return fPpsdClusteringThreshold; }
- virtual Float_t GetPpsdEnergyThreshold() { return fPpsdEnergyThreshold; }
-
- virtual Bool_t IsInEmc(AliPHOSDigit * digit) ; // Tells if id digit is in EMC
- virtual void MakeClusters(const DigitsList * dl, RecPointsList * emcl, RecPointsList * ppsdl) ; // does the job
- virtual void PrintParameters() ;
- virtual void SetCalibrationParameters(Float_t A,Float_t B){ fA = A ; fB = B;}
- virtual void SetEmcClusteringThreshold(Float_t cluth) { fEmcClusteringThreshold = cluth ; }
- virtual void SetEmcEnergyThreshold(Float_t enth) { fEmcEnergyThreshold = enth ; }
- virtual void SetLocalMaxCut(Float_t cut) { fLocMaxCut = cut ; }
- virtual void SetLogWeightCut(Float_t w) { fW0 = w ; }
+ Int_t AreNeighbours(AliPHOSDigit * d1, AliPHOSDigit * d2)const ;
+ // Checks if digits are in neighbour cells
+ virtual void GetNumberOfClustersFound(int * numb ){ numb[0] = fNumberOfEmcClusters ;
+ numb[1] = fNumberOfCpvClusters ; }
+
+ virtual Float_t GetEmcClusteringThreshold()const{ return fEmcClusteringThreshold;}
+ virtual Float_t GetEmcLocalMaxCut()const { return fEmcLocMaxCut;}
+ virtual Float_t GetEmcLogWeight()const { return fW0;}
+ virtual Float_t GetCpvClusteringThreshold()const{ return fCpvClusteringThreshold; }
+ virtual Float_t GetCpvLocalMaxCut()const { return fCpvLocMaxCut;}
+ virtual Float_t GetCpvLogWeight()const { return fW0CPV;}
+ virtual Float_t GetPpsdClusteringThreshold()const{ return fPpsdClusteringThreshold; }
+ virtual char * GetRecPointsBranch() const { return (char*) fRecPointsBranchTitle.Data() ;}
+ virtual char * GetDigitsBranch() const { return (char*) fDigitsBranchTitle.Data() ;}
+
+ void Exec(Option_t *option); // Does the job
+
+ virtual void Print(Option_t * option)const ;
+
+ virtual void SetEmcClusteringThreshold(Float_t cluth) { fEmcClusteringThreshold = cluth ; }
+ virtual void SetEmcLocalMaxCut(Float_t cut) { fEmcLocMaxCut = cut ; }
+ virtual void SetEmcLogWeight(Float_t w) { fW0 = w ; }
+ virtual void SetCpvClusteringThreshold(Float_t cluth) { fCpvClusteringThreshold = cluth ; }
+ virtual void SetCpvLocalMaxCut(Float_t cut) { fCpvLocMaxCut = cut ; }
+ virtual void SetCpvLogWeight(Float_t w) { fW0CPV = w ; }
virtual void SetPpsdClusteringThreshold(Float_t cluth) { fPpsdClusteringThreshold = cluth ; }
- virtual void SetPpsdEnergyThreshold(Float_t enth) { fPpsdEnergyThreshold = enth ; }
-
+
+ virtual void SetDigitsBranch(const char * title) ;
+ virtual void SetRecPointsBranch(const char *title) ;
+
+ virtual void SetUnfolding(Bool_t toUnfold = kTRUE ) {fToUnfold = toUnfold ;}
+
+ static void UnfoldingChiSquare(Int_t & nPar, Double_t * Grad, Double_t & fret, Double_t * x, Int_t iflag) ;
+ // Chi^2 of the fit. Should be static to be passes to MINUIT
+ static Double_t ShowerShape(Double_t r) ; // Shape of EM shower used in unfolding;
+ //class member function (not object member function)
+
private:
-
- Float_t fA ;
- Float_t fB ;
- Float_t fEmcClusteringThreshold ;
- Float_t fEmcEnergyThreshold ;
- Float_t fLocMaxCut ;
- Int_t fNumberOfEmcClusters ;
- Int_t fNumberOfPpsdClusters ;
- Float_t fPpsdClusteringThreshold ;
- Float_t fPpsdEnergyThreshold ;
- Float_t fW0 ;
+ virtual Float_t Calibrate(Int_t amp)const { return (amp-fPedestal)/fSlope ;} // Tranforms Amp to energy
+ Bool_t FindFit(AliPHOSEmcRecPoint * emcRP, int * MaxAt, Float_t * maxAtEnergy,
+ Int_t NPar, Float_t * FitParametres) ; //Used in UnfoldClusters, calls TMinuit
+ void Init() ;
+
+ virtual Bool_t IsInEmc (AliPHOSDigit * digit)const ; // Tells if id digit is in EMC
+ virtual Bool_t IsInPpsd(AliPHOSDigit * digit)const ; // Tells if id digit is in PPSD
+ virtual Bool_t IsInCpv (AliPHOSDigit * digit)const ; // Tells if id digit is in CPV
+
+ virtual void MakeClusters( ) ;
+ virtual void MakeUnfolding() ;
+ Bool_t ReadDigits() ;
+ void UnfoldCluster(AliPHOSEmcRecPoint * iniEmc,Int_t Nmax,
+ int * maxAt,Float_t * maxAtEnergy ) ; //Unfolds cluster using TMinuit package
+ void WriteRecPoints() ;
+ void PrintRecPoints(Option_t * option) ;
+
+private:
+
+ TString fHeaderFileName ; // name of the file which contains gAlice, Tree headers etc.
+ TString fDigitsBranchTitle ; // name of the file, where digits branch is stored
+ TString fRecPointsBranchTitle ; // name of the file, where RecPoints branchs are stored
+
+ Int_t fEvent ; // Number of event currently processed
+ Bool_t fToUnfold ; // To perform unfolding
+
+ Bool_t fIsInitialized ;
+
+ AliPHOSGeometry * fGeom ; // !pointer to PHOS geometry
+
+ AliPHOSDigitizer * fDigitizer ; // !digitizer which produced Digits we treat
+
+ Int_t fNumberOfEmcClusters ; // number of EMC clusters found
+ Int_t fNumberOfCpvClusters ; // number of CPV+PPSD clusters found
+ TClonesArray * fDigits ; // ! Initial list of digits
+ TObjArray * fEmcRecPoints ; // ! Final list of EMC Rec Points
+ TObjArray * fCpvRecPoints ; // ! Final list of CPV/PPSD recPoints
+
+ Float_t fPedestal ; // Calibration parameters
+ Float_t fSlope ; // read from Digitizer
+
+ Float_t fEmcClusteringThreshold ; // minimum energy to include a EMC digit in a cluster
+ Float_t fPpsdClusteringThreshold ; // minimum energy to include a PPSD digit in a cluster
+ Float_t fCpvClusteringThreshold ; // minimum energy to include a CPV digit in a cluster
+ Float_t fEmcLocMaxCut ; // minimum energy difference to distinguish local maxima in a cluster
+ Float_t fW0 ; // logarithmic weight for the cluster center of gravity calculation
+ Float_t fCpvLocMaxCut ; // minimum energy difference to distinguish local maxima in a CPV cluster
+ Float_t fW0CPV ; // logarithmic weight for the CPV cluster center of gravity calculation
- ClassDef(AliPHOSClusterizerv1,1) // Clusterizer implementation , version 1
+ ClassDef(AliPHOSClusterizerv1,1) // Clusterizer implementation version 1
};
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff