#define AliHMPIDCluster_h
/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
* See cxx source for full Copyright notice */
-
+//
+// Implementation class: AliHMPIDCluster
+//
+// class to reconstruct clester in HMPID
+// it is forseen to Solve (split) the raw cluster in
+// several clusters (# local maxima in the raw cluster -> deconvolution
+// according to a Mathieson profile of the charge
+//
#include "AliHMPIDDigit.h" //DigAdd()
#include <TObjArray.h> //DigAdd()
class TClonesArray; //Solve()
class AliHMPIDCluster :public TObject
{
public:
- enum EClusterStatus {kFrm,kCoG,kLo1,kUnf,kMax,kNot,kEdg,kSi1,kNoLoc,kEmp=-1}; //status flags
+ enum EClusterStatus {kFrm,kCoG,kLo1,kUnf,kMax,kNot,kEdg,kSi1,kNoLoc,kAbn,kEmp=-1}; //status flags
AliHMPIDCluster():TObject( ),fCh(-1),fSi(-1),fSt(kEmp),fBox(-1),fNlocMax(-1),fMaxQpad(-1),fMaxQ(-1),fQRaw(0),fQ(0),fErrQ(-1),fX(0),fErrX(-1),fY(0),fErrY(-1),fChi2(-1),fDigs(0) {} //empty ctor
//framework part
void Draw (Option_t *opt="" ); //overloaded TObject::Print() to draw cluster in current canvas
void Print (Option_t *opt="" )const; //overloaded TObject::Print() to print cluster info
- static void FitFunc(Int_t &, Double_t *, Double_t &, Double_t *, Int_t); //fit function to be used by MINUIT
+ static void FitFunc(Int_t &iNpars, Double_t* /*deriv*/, Double_t &chi2, Double_t *par, Int_t /* */);//fit function to be used by MINUIT
//private part
Int_t Box ( )const{return fBox; }
void CoG ( ); //calculates center of gravity
Int_t Ch ( )const{return fCh; } //chamber number
inline void DigAdd (AliHMPIDDigit *pDig ); //add new digit ot the cluster
AliHMPIDDigit* Dig (Int_t i )const{return (AliHMPIDDigit*)fDigs->At(i); } //pointer to i-th digi
- inline Bool_t IsInPc (); //check if is in the current PC
+ inline Bool_t IsInPc (); //check if is in the current PC
inline void Reset ( ); //cleans the cluster
Int_t Size ( )const{return fSi; } //returns number of pads in formed cluster
Int_t Solve (TClonesArray *pCluLst,Bool_t isUnfold ); //solve cluster: MINUIT fit or CoG
- Int_t Status ( ) const{return fSt;} //Status of cluster
+ Int_t Status ( ) const{return fSt;} //Status of cluster
Double_t QRaw ( )const{return fQRaw; } //raw cluster charge in QDC channels
Double_t Q ( )const{return fQ; } //given cluster charge in QDC channels
Double_t Qe ( )const{return fErrQ; } //Error in cluster charge in QDC channels
Double_t X ( )const{return fX; } //cluster x position in LRS
Double_t Xe ( )const{return fErrX; } //cluster charge in QDC channels
Double_t Y ( )const{return fY; } //cluster y position in LRS
- Double_t Ye ( )const{return fErrY; } //cluster charge in QDC channels
- Double_t Chi2 ( )const{return fChi2; }
+ Double_t Ye ( )const{return fErrY; } //cluster charge in QDC channels
+ Double_t Chi2 ( )const{return fChi2; } //chi2 of the fit
+ void DoCorrSin(Bool_t doCorrSin ){fgDoCorrSin=doCorrSin;} // Set sinoidal correction
+ void SetX (Double_t x ){fX=x;} // Setter
+ void SetY (Double_t y ){fY=y;} // Setter
protected:
Int_t fCh; //chamber number
Int_t fSi; //size of the formed cluster from which this cluster deduced
Double_t fErrY; //error on y postion, [cm]
Double_t fChi2; //some estimator of the fit quality
TObjArray *fDigs; //! list of digits forming this cluster
+ static Bool_t fgDoCorrSin; //flag to switch on/off correction for Sinusoidal to cluster reco
ClassDef(AliHMPIDCluster,6) //HMPID cluster class
};//class AliHMPIDCluster
-typedef AliHMPIDCluster AliRICHCluster; // for backward compatibility
-
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
void AliHMPIDCluster::DigAdd(AliHMPIDDigit *pDig)
{
// Adds a given digit to the list of digits belonging to this cluster, cluster is not owner of digits
// Arguments: pDig - pointer to digit to be added
-// Returns: none
+// Returns: none
if(!fDigs) {fSi=0;fDigs = new TObjArray;} //create list of digits in the first invocation
fDigs->Add(pDig);
fSt=kFrm;
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
void AliHMPIDCluster::Reset()
{
+ //
+ //
+ //
if(fDigs) delete fDigs;
fDigs=0;
fSt=kEmp;
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Bool_t AliHMPIDCluster::IsInPc()
{
+ //Check if (X,Y) position is inside the PC limits
+ //Arguments:
+ // Returns: True or False
Int_t pc = ((AliHMPIDDigit*)fDigs->At(0))->Pc();
- if ( fX < AliHMPIDDigit::fMinPcX[pc] || fX > AliHMPIDDigit::fMaxPcX[pc] ||
- fY < AliHMPIDDigit::fMinPcY[pc] || fY > AliHMPIDDigit::fMaxPcY[pc] ) return kFALSE;
+ if ( fX < AliHMPIDDigit::MinPcX(pc) || fX > AliHMPIDDigit::MaxPcX(pc) ||
+ fY < AliHMPIDDigit::MinPcY(pc) || fY > AliHMPIDDigit::MaxPcY(pc) ) return kFALSE;
return kTRUE;