/* $Id$ */
-////////////////////////////////////////////////
-// Clusterizer implementation version 1 //
-// algorithme class //
-// //
-// Author Yves Schutz SUBATECH //
-// //
-// //
-////////////////////////////////////////////////
+//_________________________________________________________________________
+// Implementation version 1 of the clusterization algorithm
+// Performs clusterization (collects neighbouring active cells) and
+// unfolding of the clusters with several local maxima.
+// results are stored in TreeR#, branches PHOSEmcRP (EMC recPoints),
+// PHOSCpvRP (CPV RecPoints) and AliPHOSClusterizer
+//
+//*-- Author: Dmitri Peressounko (SUBATECH)
// --- ROOT system ---
-
+#include "TArrayS.h"
// --- Standard library ---
// --- AliRoot header files ---
#include "AliPHOSClusterizer.h"
-#include "AliPHOSDigit.h"
-
-
+class AliPHOSEmcRecPoint ;
+class AliPHOSDigit ;
+class AliPHOSDigitizer ;
+class AliPHOSGeometry ;
+class AliPHOSCalibrationData ;
class AliPHOSClusterizerv1 : public AliPHOSClusterizer {
public:
- AliPHOSClusterizerv1() ; // ctor
- virtual ~AliPHOSClusterizerv1(){} ; // dtor
+ AliPHOSClusterizerv1() ;
+ AliPHOSClusterizerv1(const char * headerFile, const char * name = "Default", const Bool_t toSplit=kFALSE);
+ AliPHOSClusterizerv1(const AliPHOSClusterizerv1 & clusterizer) {
+ // copy ctor: no implementation yet
+ Fatal("cpy ctor", "not implemented") ;
+ }
+ virtual ~AliPHOSClusterizerv1() ;
- 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
- Float_t GetLogWeightCut(void){return fW0 ; }
- Float_t GetLocalMaxCut(void) {return fLocMaxCut ; }
- virtual void GetNumberOfClustersFound(Int_t * numb) ;
- 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 ; }
- virtual void SetPpsdClusteringThreshold(Float_t cluth) { fPpsdClusteringThreshold = cluth ; }
- virtual void SetPpsdEnergyThreshold(Float_t enth) { fPpsdEnergyThreshold = enth ; }
+ virtual Int_t AreNeighbours(AliPHOSDigit * d1, AliPHOSDigit * d2)const ;
+ // Checks if digits are in neighbour cells
+
+ virtual Float_t Calibrate(Int_t amp, Int_t absId)const ; // Tranforms Amp to energy
+
+ virtual void GetNumberOfClustersFound(int * numb )const{ 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 GetEmcTimeGate() const { return fEmcTimeGate ; }
+ virtual Float_t GetCpvClusteringThreshold()const{ return fCpvClusteringThreshold; }
+ virtual Float_t GetCpvLocalMaxCut()const { return fCpvLocMaxCut;}
+ virtual Float_t GetCpvLogWeight()const { return fW0CPV;}
+ virtual Float_t GetPurifyThreshold()const {return fPurifyThreshold; }
+ virtual const char * GetRecPointsBranch() const{ return GetName() ;}
+ virtual const Int_t GetRecPointsInRun() const {return fRecPointsInRun ;}
+
+ 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 SetEmcTimeGate(Float_t gate) { fEmcTimeGate = gate ;}
+ 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 SetUnfolding(Bool_t toUnfold = kTRUE ) { fToUnfold = toUnfold ;}
+ virtual void SetPirifyThreshold(Float_t threshold) {fPurifyThreshold = threshold ;}
+ void SetCalibrVersion(const char* version = "v1",Int_t run=1) //Provides specification of calibrationData
+ {fCalibrVersion = version ; fCalibrRun = run ;}
+ void SetPatterns(TArrayS * pats){if(fPatterns) delete fPatterns ;
+ fPatterns = new TArrayS(*pats) ;}
+ static Double_t ShowerShape(Double_t r) ; // Shape of EM shower used in unfolding;
+ //class member function (not object member function)
+ 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
+ AliPHOSClusterizerv1 & operator = (const AliPHOSClusterizerv1 & rvalue) {
+ // assignement operator requested by coding convention but not needed
+ Fatal("operator =", "not implemented") ; return *this ;
+ }
+
+ virtual const char * Version() const { return "clu-v1" ; }
+
+protected:
+
+ void WriteRecPoints(Int_t event) ;
+ virtual void MakeClusters( ) ;
+ virtual Bool_t IsInEmc (AliPHOSDigit * digit)const ; // Tells if id digit is in EMC
+ virtual Bool_t IsInCpv (AliPHOSDigit * digit)const ; // Tells if id digit is in CPV
+
private:
+
+ const TString BranchName() const ;
+ void GetCalibrationParameters(void) ;
- 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 ;
-
-public:
+ Bool_t FindFit(AliPHOSEmcRecPoint * emcRP, AliPHOSDigit ** MaxAt, Float_t * maxAtEnergy,
+ Int_t NPar, Float_t * FitParametres) const; //Used in UnfoldClusters, calls TMinuit
+ void Init() ;
+ void InitParameters() ;
+
+ virtual void MakeUnfolding() ;
+ void UnfoldCluster(AliPHOSEmcRecPoint * iniEmc,Int_t Nmax,
+ AliPHOSDigit ** maxAt,Float_t * maxAtEnergy ) ; //Unfolds cluster using TMinuit package
+ void PrintRecPoints(Option_t * option) ;
+
+private:
+
+ Bool_t fDefaultInit; //! Says if the task was created by defaut ctor (only parameters are initialized)
+
+ Int_t fEmcCrystals ; // number of EMC cristalls in PHOS
+
+ Bool_t fToUnfold ; // To perform unfolding
+
+ Int_t fNumberOfEmcClusters ; // number of EMC clusters found
+ Int_t fNumberOfCpvClusters ; // number of CPV clusters found
+
+ //Calibration parameters
+ AliPHOSCalibrationData * fPedestals ; //!
+ AliPHOSCalibrationData * fGains ; //!
+ TArrayS * fPatterns ;// Array of trigger patterns of events to handle
+ TString fCalibrVersion ; // Version of calibration Data
+ Int_t fCalibrRun ; // Specification of Calibration data
+ Float_t fADCchanelEmc ; // width of one ADC channel in GeV
+ Float_t fADCpedestalEmc ; // value of the EMC ADC pedestal
+ Float_t fADCchanelCpv ; // width of one ADC channel in CPV 'popugais'
+ Float_t fADCpedestalCpv ; // value of the CPV ADC pedestal
- ClassDef(AliPHOSClusterizerv1,1) // Clusterizer implementation , version 1
+ Float_t fPurifyThreshold ; // threshold for cell energies after unfolding
+ Float_t fEmcClusteringThreshold ; // minimum energy to include a EMC 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
+ Int_t fRecPointsInRun ; //! Total number of recpoints in one run
+ Float_t fEmcTimeGate ; // Maximum time difference between the digits in ont EMC cluster
+
+ ClassDef(AliPHOSClusterizerv1,2) // Clusterizer implementation version 1
};
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff