Added histograms for LTM monitoring

[u/mrichter/AliRoot.git] / EMCAL / AliEMCALUnfolding.h

#ifndef ALIEMCALUNFOLDING_H\r\r
#define ALIEMCALUNFOLDING_H\r\r
/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *\r\r
 * See cxx source for full Copyright notice                               */\r\r
     \r\r
//_________________________________________________________________________\r\r
//  Base class for the cluster unfolding algorithm \r\r
//*-- Author: Adam Matyja (SUBATECH)\r\r
\r\r
// --- ROOT system ---\r\r
#include "AliLog.h"\r\r
#include "TObject.h" \r\r
//class TTree;\r\r
\r\r
// --- Standard library ---\r\r
\r\r
// --- AliRoot header files ---\r\r
class AliEMCALGeometry ;\r\r
//class AliEMCALCalibData ;\r\r
//class AliCaloCalibPedestal ;\r\r
class AliEMCALRecPoint ; \r\r
class AliEMCALDigit ;\r\r
\r\r
\r\r
class AliEMCALUnfolding : public TObject {\r\r
\r\r
public:\r\r
\r\r
  AliEMCALUnfolding() ;        // default ctor\r\r
  virtual ~AliEMCALUnfolding() ; // dtorEM\r\r
  AliEMCALUnfolding(AliEMCALGeometry* geometry);// constructor\r\r
  AliEMCALUnfolding(AliEMCALGeometry* geometry,Float_t ECALocMaxCut,Double_t *SSPars,Double_t *Par5,Double_t *Par6);// constructor\r\r
\r\r
  virtual void Init() ;\r\r
  virtual void SetInput(Int_t numberOfECAClusters,TObjArray *recPoints,TClonesArray *digitsArr);\r\r
\r\r
  //setters and getters\r\r
  virtual void SetNumberOfECAClusters(Int_t n) { fNumberOfECAClusters = n; }\r\r
  virtual Int_t GetNumberOfECAClusters() const { return fNumberOfECAClusters; }\r\r
  virtual void SetRecPoints(TObjArray *rec) { fRecPoints = rec; }\r\r
  virtual TObjArray * GetRecPoints() const { return fRecPoints; }\r\r
  virtual void SetDigitsArr(TClonesArray *digit) { fDigitsArr = digit; }\r\r
  virtual TClonesArray * GetDigitsArr() const { return fDigitsArr; }\r\r
  virtual void SetECALocalMaxCut(Float_t cut) { fECALocMaxCut = cut ; }\r\r
  virtual Float_t GetECALocalMaxCut() const { return fECALocMaxCut; }\r\r
  virtual void SetThreshold(Float_t energy) { fThreshold = energy; }\r\r
  virtual Float_t GetThreshold() const { return fThreshold; }\r\r
\r\r
  //unfolding main methods\r\r
  virtual void   MakeUnfolding();\r\r
  static Double_t ShowerShapeV2(Double_t x, Double_t y) ; // Shape of EM shower used in unfolding; \r\r
                                              //class member function (not object member function)\r\r
  static void UnfoldingChiSquareV2(Int_t & nPar, Double_t * Grad, Double_t & fret, Double_t * x, Int_t iflag)  ;\r\r
                                            // Chi^2 of the fit. Should be static to be passes to MINUIT\r\r
  virtual void SetShowerShapeParams(Double_t *pars) ;\r\r
  virtual Double_t* GetShowerShapeParams() const { return fSSPars ; }\r\r
  virtual void SetPar5(Double_t *pars) ;\r\r
  virtual Double_t* GetPar5() const { return fPar5 ; }\r\r
  virtual void SetPar6(Double_t *pars) ;\r\r
  virtual Double_t* GetPar6() const { return fPar6 ; }\r\r
\r\r
protected:\r\r
  Int_t   fNumberOfECAClusters ;     // number of clusters found in EC section\r\r
  Float_t fECALocMaxCut ;            // minimum energy difference to distinguish local maxima in a cluster\r\r
  Float_t fThreshold ; //minimum energy for cell to be joined to a cluster\r\r
  AliEMCALGeometry     * fGeom;       //! pointer to geometry for utilities\r\r
  TObjArray    *fRecPoints; // Array with EMCAL clusters\r\r
  TClonesArray *fDigitsArr; // Array with EMCAL digits\r\r
\r\r
private:\r\r
  AliEMCALUnfolding(const AliEMCALUnfolding &); //copy ctor\r\r
  AliEMCALUnfolding & operator = (const AliEMCALUnfolding &);\r\r
  \r\r
  Bool_t         UnfoldClusterV2(AliEMCALRecPoint * iniEmc, Int_t Nmax, \r\r
				 AliEMCALDigit ** maxAt,\r\r
				 Float_t * maxAtEnergy ); //Unfolds cluster using TMinuit package\r\r
  Bool_t         UnfoldClusterV2old(AliEMCALRecPoint * iniEmc, Int_t Nmax, \r\r
				    AliEMCALDigit ** maxAt,\r\r
				    Float_t * maxAtEnergy ); //Unfolds cluster using TMinuit package\r\r
  Bool_t  FindFitV2(AliEMCALRecPoint * emcRP, AliEMCALDigit ** MaxAt, const Float_t * maxAtEnergy, \r\r
		    Int_t NPar, Float_t * FitParametres) const; //Used in UnfoldClusters, calls TMinuit\r\r
\r\r
  static Double_t fSSPars[8];//! Unfolding shower shape parameters\r\r
  // function:\r\r
  // f(r)=exp(-(p0*r)^p1 * (1/(p2+p3*(p0*r)^p1)+p4/(1+p6*(p0*r)^p5) ) )\r\r
  // p0,p1,p2,p3,p4 are fixed\r\r
  // params p5 and p6 are phi-dependent and set in ShowerShapeV2\r\r
  static Double_t fPar5[3];//! UF SSPar nr 5 = p0 + phi*p1 + phi^2 *p2\r\r
  static Double_t fPar6[3];//! UF SSPar nr 6 = p0 + phi*p1 + phi^2 *p2\r\r
  static void EvalPar5(Double_t phi);\r\r
  static void EvalPar6(Double_t phi);\r\r
  static void EvalParsPhiDependence(Int_t absId, AliEMCALGeometry *geom);\r\r
\r\r
  ClassDef(AliEMCALUnfolding,2)  // Unfolding algorithm class \r\r
} ;\r\r
\r\r
#endif // AliEMCALUNFOLDING_H\r\r