Line data    Source code

       1             : #ifndef ALIPHOSTRACKSEGMENTMAKERV1_H
       2             : #define ALIPHOSTRACKSEGMENTMAKERV1_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             : /* History of cvs commits:
       8             :  *
       9             :  * $Log$
      10             :  * Revision 1.51  2007/03/28 19:18:15  kharlov
      11             :  * RecPoints recalculation in TSM removed
      12             :  *
      13             :  * Revision 1.50  2007/03/06 06:54:48  kharlov
      14             :  * DP:Calculation of cluster properties dep. on vertex added
      15             :  *
      16             :  * Revision 1.49  2007/02/01 13:59:11  hristov
      17             :  * Forward declaration
      18             :  *
      19             :  * Revision 1.48  2006/08/28 10:01:56  kharlov
      20             :  * Effective C++ warnings fixed (Timur Pocheptsov)
      21             :  *
      22             :  * Revision 1.47  2005/11/17 12:35:27  hristov
      23             :  * Use references instead of objects. Avoid to create objects when they are not really needed
      24             :  *
      25             :  * Revision 1.46  2005/05/28 14:19:05  schutz
      26             :  * Compilation warnings fixed by T.P.
      27             :  *
      28             :  */
      29             : 
      30             : //_________________________________________________________________________
      31             : // Implementation version 1 of algorithm class to construct PHOS track segments
      32             : // Associates EMC and CPV lusters
      33             : // Unfolds the EMC cluster   
      34             : //                  
      35             : //*-- Author: Dmitri Peressounko (RRC Ki & SUBATECH)
      36             : 
      37             : // --- ROOT system ---
      38             : #include <TVector3.h>
      39             : 
      40             : // --- Standard library ---
      41             : 
      42             : // --- AliRoot header files ---
      43             : #include "AliPHOSTrackSegmentMaker.h"
      44             : 
      45             : class AliPHOSEmcRecPoint ;
      46             : class AliPHOSCpvRecPoint ;
      47             : class TClonesArray;
      48             : 
      49             : class  AliPHOSTrackSegmentMakerv1 : public AliPHOSTrackSegmentMaker {
      50             : 
      51             : public:
      52             : 
      53             :   AliPHOSTrackSegmentMakerv1() ;                     
      54             :   AliPHOSTrackSegmentMakerv1(AliPHOSGeometry *geom);
      55             :   AliPHOSTrackSegmentMakerv1(const AliPHOSTrackSegmentMakerv1 & tsm);
      56             : 
      57             :   virtual ~ AliPHOSTrackSegmentMakerv1() ; // dtor
      58             :   
      59             :   virtual void   Clusters2TrackSegments(Option_t *option); // Does the job
      60             :           void   FillOneModule() ;       // Finds range in which RecPoints belonging current PHOS module are
      61             : 
      62             :           void   MakeLinks() const;      //Evaluates distances(links) between EMC and CPV
      63             :           void   MakePairs() ;           //Finds pairs(triplets) with smallest link
      64             :   virtual void   Print(const Option_t * = "") const ;
      65             :   //Switch to "on flyght" mode, without writing to TreeR and file  
      66           0 :   void SetWriting(Bool_t toWrite = kFALSE){fWrite = toWrite;} 
      67           0 :   virtual void   SetMaxEmcCPVDistance(Float_t r){ fRcpv = r ;} //Maximal distance (in PHOS plane) 
      68             :                                                                //between EMCrp and CPVrp
      69           0 :   virtual void   SetMaxCPVTPCDistance(Float_t r){ fRtpc = r ;} //Maximal distance 
      70             :                                                                //between EMCrp and extrapolation of TPC track
      71           0 :   virtual const char * Version() const { return "tsm-v1" ; }  
      72             : 
      73             :   AliPHOSTrackSegmentMakerv1 & operator = (const AliPHOSTrackSegmentMakerv1 & )  {
      74             :     // assignement operator requested by coding convention but not needed
      75           0 :     Fatal("operator =", "not implemented") ;
      76           0 :     return *this ; 
      77             :   }
      78             : 
      79          52 :   virtual TClonesArray * GetTrackSegments() const { return fTrackSegments; }
      80             : 
      81             : private:
      82             : 
      83             :   void  GetDistanceInPHOSPlane(AliPHOSEmcRecPoint * EmcClu , AliPHOSCpvRecPoint * Cpv, 
      84             :                                Int_t & track, Float_t &dx, Float_t &dz ) const ; // see R0
      85             :   void    Init() ;
      86             :   void    InitParameters() ;
      87             :   void    PrintTrackSegments(Option_t *option) ;
      88             :  
      89             : 
      90             : private:  
      91             : 
      92             :   Bool_t  fDefaultInit;               //! Says if the task was created by defaut ctor (only parameters are initialized)
      93             :   Bool_t  fWrite ;                   // Write Tracks to TreeT  
      94             :  
      95             :   Int_t fNTrackSegments ; // number of (EMC) track segments found 
      96             :   Int_t fNCpvTrackSegments  ;  //Number of CPV track segments
      97             : 
      98             :   Float_t fRcpv ;        // Maximum distance between a EMC RecPoint and a CPV RecPoint   
      99             :   Float_t fRtpc ;        // Maximum distance between a EMC RecPoint and extrapolation of a TPC track   
     100             :   
     101             :   TVector3 fVtx ;        //! Vertex in current position
     102             : 
     103             :   TClonesArray * fLinkUpArray  ;  //!
     104             :   Int_t fEmcFirst;     //! Index of first EMC RecPoint belonging to currect PHOS module
     105             :   Int_t fEmcLast ;     //!
     106             :   Int_t fCpvFirst;     //! Cpv upper layer     
     107             :   Int_t fCpvLast;      //! 
     108             :   Int_t fModule ;      //! number of module being processed
     109             : 
     110             :   TClonesArray * fTrackSegments; // Array with found track-segments
     111             : 
     112          22 :   ClassDef( AliPHOSTrackSegmentMakerv1,4)  // Implementation version 1 of algorithm class to make PHOS track segments 
     113             : 
     114             :  };
     115             : 
     116             : #endif // AliPHOSTRACKSEGMENTMAKERV1_H