#ifndef ALIPHOSCLUSTERIZERV1_H #define ALIPHOSCLUSTERIZERV1_H /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * * See cxx source for full Copyright notice */ /* $Id$ */ /* History of cvs commits: * * $Log$ * Revision 1.43 2005/05/28 14:19:04 schutz * Compilation warnings fixed by T.P. * */ //_________________________________________________________________________ // 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: Yves Schutz (SUBATECH) // --- ROOT system --- class TClonesArray ; // --- Standard library --- // --- AliRoot header files --- #include "AliPHOSClusterizer.h" class AliPHOSEmcRecPoint ; class AliPHOSDigit ; class AliPHOSDigitizer ; class AliPHOSGeometry ; class AliPHOSCalibData ; class AliPHOSClusterizerv1 : public AliPHOSClusterizer { public: AliPHOSClusterizerv1() ; AliPHOSClusterizerv1(const TString alirunFileNameFile, const TString eventFolderName = AliConfig::GetDefaultEventFolderName()); AliPHOSClusterizerv1(const AliPHOSClusterizerv1 & clu) : AliPHOSClusterizer(clu) { // cpy ctor: no implementation yet // requested by the Coding Convention Fatal("cpy ctor", "not implemented") ; } virtual ~AliPHOSClusterizerv1() ; 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) ; // 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 const char * GetRecPointsBranch() const{ return GetName() ;} virtual Int_t GetRecPointsInRun() const {return fRecPointsInRun ;} virtual void Exec(Option_t *option); // Does the job void Print(const Option_t * = "")const ; void SetEmcMinE(Float_t e){fEmcMinE = e ;} void SetCpvMinE(Float_t e){fCpvMinE = e ;} 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 ;} //Switch to "on flyght" mode, without writing to TreeR and file void SetWriting(Bool_t toWrite = kFALSE){fWrite = toWrite;} 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 passed to MINUIT void Unload() ; virtual const char * Version() const { return "clu-v1"; } protected: void WriteRecPoints() ; 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 void CleanDigits(TClonesArray * digits) ; private: const TString BranchName() const ; void GetCalibrationParameters(void) ; 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 Bool_t fWrite ; // Write RecPoints to TreeR Int_t fNumberOfEmcClusters ; // number of EMC clusters found Int_t fNumberOfCpvClusters ; // number of CPV clusters found //Calibration parameters AliPHOSCalibData * fCalibData ; //! Calibration database if aval Float_t fADCchanelEmc ; // width of one ADC channel in GeV Float_t fADCpedestalEmc ; // Float_t fADCchanelCpv ; // width of one ADC channel in CPV 'popugais' Float_t fADCpedestalCpv ; // Float_t fEmcClusteringThreshold ; // minimum energy to start EMC cluster Float_t fCpvClusteringThreshold ; // minimum energy to start CPV cluster Float_t fEmcMinE ; // minimum energy of digit to be included into cluster Float_t fCpvMinE ; // minimum energy of digit to be included into 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(AliPHOSClusterizerv1,3) // Clusterizer implementation version 1 }; #endif // AliPHOSCLUSTERIZERV1_H