1 #ifndef ALIPHOSTRACKSEGMENTMAKERV2_H
2 #define ALIPHOSTRACKSEGMENTMAKERV2_H
3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
7 /* History of cvs commits:
10 * Revision 1.3 2007/04/25 19:39:42 kharlov
11 * Track extracpolation improved
13 * Revision 1.2 2007/04/01 19:16:52 kharlov
14 * D.P.: Produce EMCTrackSegments using TPC/ITS tracks (no CPV)
16 * Revision 1.50 2007/03/06 06:54:48 kharlov
17 * DP:Calculation of cluster properties dep. on vertex added
19 * Revision 1.49 2007/02/01 13:59:11 hristov
22 * Revision 1.48 2006/08/28 10:01:56 kharlov
23 * Effective C++ warnings fixed (Timur Pocheptsov)
25 * Revision 1.47 2005/11/17 12:35:27 hristov
26 * Use references instead of objects. Avoid to create objects when they are not really needed
28 * Revision 1.46 2005/05/28 14:19:05 schutz
29 * Compilation warnings fixed by T.P.
33 //_________________________________________________________________________
34 // Implementation version 1 of algorithm class to construct PHOS track segments
35 // Associates EMC and CPV lusters
36 // Unfolds the EMC cluster
38 //*-- Author: Dmitri Peressounko (RRC Ki & SUBATECH)
41 // --- ROOT system ---
44 // --- Standard library ---
46 // --- AliRoot header files ---
47 #include "AliPHOSTrackSegmentMaker.h"
49 class AliPHOSEmcRecPoint ;
50 class AliPHOSCpvRecPoint ;
54 class AliPHOSTrackSegmentMakerv2 : public AliPHOSTrackSegmentMaker {
58 AliPHOSTrackSegmentMakerv2() ;
59 AliPHOSTrackSegmentMakerv2(AliPHOSGeometry *geom);
60 AliPHOSTrackSegmentMakerv2(const AliPHOSTrackSegmentMakerv2 & tsm);
62 virtual ~ AliPHOSTrackSegmentMakerv2() ; // dtor
64 virtual void Clusters2TrackSegments(Option_t *option); // Does the job
65 void FillOneModule() ; // Finds range in which RecPoints belonging current PHOS module are
67 void MakeLinks() ; //Evaluates distances(links) between EMC and CPV
68 void MakePairs() ; //Finds pairs(triplets) with smallest link
69 virtual void Print(const Option_t * = "") const ;
70 //Switch to "on flyght" mode, without writing to TreeR and file
71 void SetWriting(Bool_t toWrite = kFALSE){fWrite = toWrite;}
72 virtual void SetMaxTPCDistance(Float_t r){ fRtpc = r ;} //Maximal distance
73 //between EMCrp and extrapolation of TPC track
74 virtual const char * Version() const { return "tsm-v2" ; }
76 AliPHOSTrackSegmentMakerv2 & operator = (const AliPHOSTrackSegmentMakerv2 & ) {
77 // assignement operator requested by coding convention but not needed
78 Fatal("operator =", "not implemented") ;
82 virtual TClonesArray * GetTrackSegments() const { return fTrackSegments; }
86 void GetDistanceInPHOSPlane(AliPHOSEmcRecPoint * EmcClu , AliESDtrack* track,
87 Float_t &dx, Float_t &dz ) const ; // see R0
89 void InitParameters() ;
90 void PrintTrackSegments(Option_t *option) ;
93 struct TrackInPHOS_t {
95 Float_t x ; //Raw X intersection coordinate
96 Float_t z ; //Raw Z intersection coordinate
101 Bool_t fDefaultInit; //! Says if the task was created by defaut ctor (only parameters are initialized)
102 Bool_t fWrite ; // Write Tracks to TreeT
104 Int_t fNTrackSegments ; // number of track segments found
106 Float_t fRtpc ; // Maximum distance between a EMC RecPoint and extrapolation of a TPC track
108 TVector3 fVtx ; //! Vertex in current position
110 TClonesArray * fLinkUpArray ; //!
111 std::vector<TrackInPHOS_t> fTPCtracks[5]; //!
112 Int_t fNtpcTracks[5] ; //!
113 Int_t fEmcFirst; //! Index of first EMC RecPoint belonging to currect PHOS module
115 Int_t fModule ; //! number of module being processed
117 TClonesArray * fTrackSegments; // Array with found track-segments
119 ClassDef( AliPHOSTrackSegmentMakerv2,2) // Implementation version 1 of algorithm class to make PHOS track segments
123 #endif // AliPHOSTRACKSEGMENTMAKERV2_H