Line data    Source code

       1             : #ifndef ALIITSCLUSTERPARAM_H
       2             : #define ALIITSCLUSTERPARAM_H
       3             : /* Copyright(c) 1998-2007, ALICE Experiment at CERN, All rights reserved. *
       4             :  * See cxx source for full Copyright notice                               */
       5             : 
       6             : /* $Id$ */
       7             : 
       8             : ////////////////////////////////////////////////////
       9             : //                                                //
      10             : //  ITS cluster error and shape parameterization  //
      11             : //  andrea.dainese@lnl.infn.it                    //
      12             : ////////////////////////////////////////////////////
      13             : 
      14             : 
      15             : #include <TObject.h>
      16             : //#include "AliITSRecPoint.h"
      17             : 
      18             : class AliITSRecPoint;
      19             : 
      20             : //_____________________________________________________________________________
      21             : class AliITSClusterParam : public TObject {
      22             :  public:
      23             :   static AliITSClusterParam* Instance();
      24           0 :   virtual           ~AliITSClusterParam(){;}
      25             :   virtual void  Print(Option_t* option = "") const;
      26           0 :   void SetInstance(AliITSClusterParam *param){fgInstance = param;}
      27             :   static void GetNTeor(Int_t layer,const AliITSRecPoint* cl,
      28             :                        Float_t tgl,Float_t tgphitr,
      29             :                        Float_t &ny,Float_t &nz);
      30             :   static Int_t GetError(Int_t layer,const AliITSRecPoint*cl,
      31             :                         Float_t tgl,Float_t tgphitr,Float_t expQ,
      32             :                         Float_t &erry,Float_t &errz,Float_t &covyz,
      33             :                         Bool_t addMisalErr=kTRUE);
      34             :   static Int_t GetError(Int_t layer,const AliITSRecPoint*cl,
      35             :                         Float_t tgl,Float_t tgphitr,Float_t expQ,
      36             :                         Float_t &erry,Float_t &errz,
      37             :                         Bool_t addMisalErr=kTRUE) {
      38           0 :                                   Float_t covyz;
      39           0 :     return GetError(layer,cl,tgl,tgphitr,expQ,erry,errz,covyz,addMisalErr);
      40           0 :   }
      41             : 
      42             :   //void FitData(TTree * tree);
      43             :   //
      44             :  private:
      45           0 :   AliITSClusterParam(){}
      46             :   AliITSClusterParam(const AliITSClusterParam &source); // copy constructor. Not to be used!
      47             :   AliITSClusterParam& operator=(const AliITSClusterParam &source); // = operator. Not to be used!
      48             :   static AliITSClusterParam*   fgInstance; //! Instance of this class (singleton implementation)
      49             :   static Int_t GetErrorOrigRecPoint(const AliITSRecPoint*cl,
      50             :                                     Float_t &erry,Float_t &errz,Float_t &covyz);
      51             :   static Int_t GetErrorParamMI(Int_t layer,const AliITSRecPoint*cl,
      52             :                                Float_t tgl,Float_t tgphitr,Float_t expQ,
      53             :                                Float_t &erry,Float_t &errz);
      54             :   static Int_t GetErrorParamAngle(Int_t layer,const AliITSRecPoint*cl,
      55             :                                   Float_t tgl,Float_t tgphitr,
      56             :                                   Float_t &erry,Float_t &errz);
      57             :   static Int_t GetErrorParamAngleOld(Int_t layer,const AliITSRecPoint*cl,
      58             :                                   Float_t tgl,Float_t tgphitr,
      59             :                                   Float_t &erry,Float_t &errz);
      60             : 
      61         118 :   ClassDef(AliITSClusterParam,1)    //  ITS cluster parametrization class
      62             : };
      63             : 
      64             : #endif