Line data    Source code

       1             : #ifndef ALIPHOSPIDV0_H
       2             : #define ALIPHOSPIDV0_H
       3             : /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
       4             :  * See cxx source for full Copyright notice                               */
       5             : 
       6             : /* $Id$ */
       7             : 
       8             : /* History of cvs commits:
       9             :  *
      10             :  * $Log$
      11             :  * Revision 1.12  2007/03/06 06:57:05  kharlov
      12             :  * DP:calculation of distance to CPV done in TSM
      13             :  *
      14             :  * Revision 1.11  2006/09/07 18:31:08  kharlov
      15             :  * Effective c++ corrections (T.Pocheptsov)
      16             :  *
      17             :  * Revision 1.10  2005/05/28 14:19:04  schutz
      18             :  * Compilation warnings fixed by T.P.
      19             :  *
      20             :  */
      21             : 
      22             : //_________________________________________________________________________
      23             : // Implementation version v0 of the PHOS particle identifier 
      24             : // Identification is based on information from PPSD and EMC
      25             : // Oh yeah                 
      26             : //*-- Author: Yves Schutz (SUBATECH)
      27             : 
      28             : // --- ROOT system ---
      29             : class TFormula ;
      30             : class TVector3 ;
      31             : 
      32             : // --- Standard library ---
      33             : 
      34             : // --- AliRoot header files ---
      35             : class AliPHOSEmcRecPoint ;
      36             : class AliPHOSRecPoint ;
      37             : 
      38             : #include "AliPHOSPID.h"
      39             : 
      40             : class  AliPHOSPIDv0 : public AliPHOSPID {
      41             : 
      42             : public:
      43             : 
      44             :   AliPHOSPIDv0() ;          // ctor            
      45             :   AliPHOSPIDv0(AliPHOSGeometry *geom);
      46             :   virtual ~AliPHOSPIDv0() ; // dtor, empty, memory leak in fFormula member
      47             : 
      48             :   //Compiler generated should be ok, because destructor is empty.
      49             :   AliPHOSPIDv0(const AliPHOSPIDv0 & rhs);
      50             :   AliPHOSPIDv0 & operator = (const AliPHOSPIDv0 & rhs);
      51             : 
      52             :   virtual void TrackSegments2RecParticles(Option_t * option);
      53             : 
      54             :   virtual void PlotDispersionCuts()const ;
      55             :   virtual void Print(const Option_t * = "")const ; 
      56           0 :   virtual void SetIdentificationMethod(const char * option = "CPV DISP" ){fIDOptions = option ;} 
      57             :   virtual void SetShowerProfileCut(const char * formula = "0.35*0.35 - (x-1.386)*(x-1.386) - 1.707*1.707*(y-1.008)*(y-1.008)") ;
      58           0 :   virtual void SetDispersionCut(Float_t cut){fDispersion = cut ; } 
      59           0 :   virtual void SetCpvtoEmcDistanceCut(Float_t cut )      {fCpvEmcDistance = cut ;}
      60           0 :   virtual void SetTimeGate(Float_t gate)                 {fTimeGate = gate ;}
      61             : 
      62           0 :   virtual const char * Version() const { return "pid-v0" ; }  
      63             :                      
      64             :  private:
      65             :   
      66             :   void     MakeRecParticles(void ) ;
      67             : //  Float_t  GetDistance(AliPHOSEmcRecPoint * emc, AliPHOSRecPoint * cpv, Option_t * Axis)const ; // Relative Distance CPV-EMC
      68             :   TVector3 GetMomentumDirection(AliPHOSEmcRecPoint * emc, AliPHOSRecPoint * cpv)const ;
      69             :   void     PrintRecParticles(Option_t * option) ;
      70             : 
      71             :  private:
      72             : 
      73             :   TString                fIDOptions ;         // PID option
      74             : 
      75             :   AliPHOSClusterizer   * fClusterizer ;       // !
      76             :   AliPHOSTrackSegmentMaker * fTSMaker ;       // !
      77             : 
      78             :   TFormula             * fFormula ;           // formula to define cut on the shower elips axis
      79             :   Float_t                fDispersion ;        // dispersion cut
      80             :   Float_t                fCpvEmcDistance ;    // Max EMC-CPV distance
      81             :   Float_t                fTimeGate ;          // Time of the latest EmcRecPoint accepted as EM
      82             : 
      83          20 :   ClassDef( AliPHOSPIDv0,2)  // Particle identifier implementation version 1
      84             : 
      85             : };
      86             : 
      87             : #endif // AliPHOSPIDV0_H