]> git.uio.no Git - u/mrichter/AliRoot.git/blobdiff - HMPID/AliHMPIDCluster.h
Bug in area evaluation for reconstruction of ring. Important for PbPb events (high...
[u/mrichter/AliRoot.git] / HMPID / AliHMPIDCluster.h
index 60fd0ac2848376ef6dc25bfacb60d0b53d967bfe..65e13f716c5864d66c9063f72af4117f9d13f9e0 100644 (file)
@@ -2,7 +2,14 @@
 #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()
@@ -10,54 +17,108 @@ 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