#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 {kFor,kCoG,kUnf,kEmp=-1}; //status flags
- AliHMPIDCluster( ):TObject( ),fSt(kEmp ),fCh(-1 ),fQ(-1 ),fX(-1 ),fY(-1 ),fDigs(0 ) {}
- AliHMPIDCluster(Int_t c,Float_t x,Float_t y,Int_t q,Int_t s):TObject( ),fSt(s ),fCh(c ),fQ(q ),fX(x ),fY(y ),fDigs(0 ) {}
- AliHMPIDCluster(const AliHMPIDCluster &c ):TObject(c),fSt(c.fSt),fCh(c.fCh),fQ(c.fQ),fX(c.fX),fY(c.fY),fDigs(c.fDigs ? new TObjArray(*c.fDigs):0) {}
- AliHMPIDCluster &operator=(const AliHMPIDCluster &c) {
- if(this == &c)return *this;TObject::operator=(c); fSt=c.fSt; fCh=c.fCh; fQ=c.fQ; fX=c.fX; fY=c.fY; fDigs=c.fDigs ? new TObjArray(*c.fDigs):0; return *this;}
+ 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
+
+
+ AliHMPIDCluster (const AliHMPIDCluster &c):TObject(c),fCh(c.fCh),fSi(c.fSi),fSt(c.fSt),fBox(c.fBox),fNlocMax(c.fNlocMax),fMaxQpad(c.fMaxQpad),fMaxQ(c.fMaxQ),fQRaw(c.fQRaw),
+ fQ (c.fQ ),fErrQ(c.fErrQ),
+ fX (c.fX ),fErrX(c.fErrX),
+ fY (c.fY ),fErrY(c.fErrY),fChi2(c.fChi2),fDigs(0) {}//copy ctor
+ AliHMPIDCluster &operator=(const AliHMPIDCluster &c) {if(this == &c)return *this;TObject::operator=(c);
+ fSi=c.fSi; fSt=c.fSt; fCh=c.fCh; fBox=c.fBox;fNlocMax=c.fNlocMax;fMaxQpad=c.fMaxQpad; fMaxQ=c.fMaxQ;fQRaw=c.fQRaw;
+ fQ=c.fQ; fErrQ=c.fErrQ;
+ fX=c.fX; fErrX=c.fErrX;
+ fY=c.fY; fErrY=c.fErrY; fChi2=c.fChi2;fDigs=c.fDigs ? new TObjArray(*c.fDigs):0; return *this;}
- virtual ~AliHMPIDCluster( ) {DigDel();}
+ virtual ~AliHMPIDCluster( ) {if(fDigs) delete fDigs; fDigs=0;}
//framework part
- 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
+ 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 &iNpars, Double_t* /*deriv*/, Double_t &chi2, Double_t *par, Int_t iflag);//fit function to be used by MINUIT
//private part
- void CoG ( ); //calculates center of gravity
- void CorrSin ( ); //sinoidal correction
- Int_t Ch ( )const{return fCh; } //chamber number
- inline void DigAdd (AliHMPIDDigit *pDig ); //add new digit ot the cluster
- void DigDel ( ) {if(fDigs) {delete fDigs;fDigs=0;} } //deletes the list of digits (not digits!)
- AliHMPIDDigit* Dig (Int_t i )const{return (AliHMPIDDigit*)fDigs->At(i); } //pointer to i-th digit
- TObjArray* DigLst ( )const{return fDigs; } //list of digits
- void Reset ( ) {DigDel();fQ=fCh=-1;fX=fY=-1;fSt=kEmp; } //cleans the cluster
- Int_t Solve (TClonesArray *pCluLst,Bool_t isUnfold ); //solve cluster: MINUIT fit or CoG
- Int_t Size ( )const{return (fDigs)?fDigs->GetEntriesFast():0; } //number of pads in cluster
- Int_t Q ( )const{return fQ; } //cluster charge in QDC channels
- Float_t X ( )const{return fX; } //cluster x position in LRS
- Float_t Y ( )const{return fY; } //cluster y position in LRS
+ Int_t Box ( )const{return fBox; }
+ void CoG ( ); //calculates center of gravity
+ void CorrSin ( ); //sinoidal correction
+ 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 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
+ 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; } //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 fSt; //flag to mark the quality of the cluster
Int_t fCh; //chamber number
- Int_t fQ; //QDC value
- Float_t fX; //local x postion, [cm]
- Float_t fY; //local y postion, [cm]
+ Int_t fSi; //size of the formed cluster from which this cluster deduced
+ Int_t fSt; //flag to mark the quality of the cluster
+ Int_t fBox; //box contaning this cluster
+ Int_t fNlocMax; //number of local maxima in formed cluster
+ Int_t fMaxQpad; //abs pad number of a pad with the highest charge
+ Double_t fMaxQ; //that max charge value
+ Double_t fQRaw; //QDC value of the raw cluster
+ Double_t fQ; //QDC value of the actual cluster
+ Double_t fErrQ; //error on Q
+ Double_t fX; //local x postion, [cm]
+ Double_t fErrX; //error on x postion, [cm]
+ Double_t fY; //local y postion, [cm]
+ 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
- ClassDef(AliHMPIDCluster,5) //HMPID cluster class
+ 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
- if(!fDigs) {fQ=0;fDigs = new TObjArray;}
+// Returns: none
+ if(!fDigs) {fSi=0;fDigs = new TObjArray;} //create list of digits in the first invocation
fDigs->Add(pDig);
- fQ+=(Int_t)pDig->Q();
- fCh=pDig->Ch();
- fSt=kFor;
+ fSt=kFrm;
+ fSi++;
+}
+//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+void AliHMPIDCluster::Reset()
+{
+ //
+ //
+ //
+ if(fDigs) delete fDigs;
+ fDigs=0;
+ fSt=kEmp;
+ fQRaw=fQ=0;
+ fX=fY=0;
+ fCh=fSi=fBox=fNlocMax=fMaxQpad=-1;
+ fMaxQ=fErrQ=fErrX=fErrY=fChi2=-1; //empty ctor
}
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+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 < AliHMPIDParam::MinPcX(pc) || fX > AliHMPIDParam::MaxPcX(pc) ||
+ fY < AliHMPIDParam::MinPcY(pc) || fY > AliHMPIDParam::MaxPcY(pc) ) return kFALSE;
+
+ return kTRUE;
+
+}
+
#endif