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861b23c3 | 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 */ | |
5 | ||
6 | /* $Id$ */ | |
7 | /* History of cvs commits: | |
8 | * | |
9 | * $Log$ | |
9a2cdbdf | 10 | * Revision 1.3 2007/04/25 19:39:42 kharlov |
11 | * Track extracpolation improved | |
12 | * | |
c978a69b | 13 | * Revision 1.2 2007/04/01 19:16:52 kharlov |
14 | * D.P.: Produce EMCTrackSegments using TPC/ITS tracks (no CPV) | |
15 | * | |
861b23c3 | 16 | * Revision 1.50 2007/03/06 06:54:48 kharlov |
17 | * DP:Calculation of cluster properties dep. on vertex added | |
18 | * | |
19 | * Revision 1.49 2007/02/01 13:59:11 hristov | |
20 | * Forward declaration | |
21 | * | |
22 | * Revision 1.48 2006/08/28 10:01:56 kharlov | |
23 | * Effective C++ warnings fixed (Timur Pocheptsov) | |
24 | * | |
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 | |
27 | * | |
28 | * Revision 1.46 2005/05/28 14:19:05 schutz | |
29 | * Compilation warnings fixed by T.P. | |
30 | * | |
31 | */ | |
32 | ||
33 | //_________________________________________________________________________ | |
34 | // Implementation version 1 of algorithm class to construct PHOS track segments | |
35 | // Associates EMC and CPV lusters | |
36 | // Unfolds the EMC cluster | |
37 | // | |
38 | //*-- Author: Dmitri Peressounko (RRC Ki & SUBATECH) | |
c978a69b | 39 | #include <vector> |
861b23c3 | 40 | |
41 | // --- ROOT system --- | |
42 | #include <TVector3.h> | |
43 | ||
44 | // --- Standard library --- | |
45 | ||
46 | // --- AliRoot header files --- | |
47 | #include "AliPHOSTrackSegmentMaker.h" | |
48 | ||
49 | class AliPHOSEmcRecPoint ; | |
50 | class AliPHOSCpvRecPoint ; | |
51 | class AliESDtrack ; | |
52 | class TClonesArray; | |
53 | ||
54 | class AliPHOSTrackSegmentMakerv2 : public AliPHOSTrackSegmentMaker { | |
55 | ||
56 | public: | |
57 | ||
58 | AliPHOSTrackSegmentMakerv2() ; | |
9a2cdbdf | 59 | AliPHOSTrackSegmentMakerv2(AliPHOSGeometry *geom); |
861b23c3 | 60 | AliPHOSTrackSegmentMakerv2(const AliPHOSTrackSegmentMakerv2 & tsm); |
61 | ||
62 | virtual ~ AliPHOSTrackSegmentMakerv2() ; // dtor | |
63 | ||
9a2cdbdf | 64 | virtual void Clusters2TrackSegments(Option_t *option); // Does the job |
861b23c3 | 65 | void FillOneModule() ; // Finds range in which RecPoints belonging current PHOS module are |
66 | ||
c978a69b | 67 | void MakeLinks() ; //Evaluates distances(links) between EMC and CPV |
861b23c3 | 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 | |
9a2cdbdf | 74 | virtual const char * Version() const { return "tsm-v2" ; } |
861b23c3 | 75 | |
76 | AliPHOSTrackSegmentMakerv2 & operator = (const AliPHOSTrackSegmentMakerv2 & ) { | |
77 | // assignement operator requested by coding convention but not needed | |
78 | Fatal("operator =", "not implemented") ; | |
79 | return *this ; | |
80 | } | |
9a2cdbdf | 81 | |
82 | virtual TClonesArray * GetTrackSegments() const { return fTrackSegments; } | |
861b23c3 | 83 | |
84 | private: | |
85 | ||
861b23c3 | 86 | void GetDistanceInPHOSPlane(AliPHOSEmcRecPoint * EmcClu , AliESDtrack* track, |
87 | Float_t &dx, Float_t &dz ) const ; // see R0 | |
88 | void Init() ; | |
89 | void InitParameters() ; | |
90 | void PrintTrackSegments(Option_t *option) ; | |
861b23c3 | 91 | |
c978a69b | 92 | protected: |
93 | struct TrackInPHOS_t { | |
94 | AliESDtrack* track ; | |
95 | Float_t x ; //Raw X intersection coordinate | |
96 | Float_t z ; //Raw Z intersection coordinate | |
97 | } ; | |
98 | ||
861b23c3 | 99 | private: |
100 | ||
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 | |
103 | ||
104 | Int_t fNTrackSegments ; // number of track segments found | |
105 | ||
106 | Float_t fRtpc ; // Maximum distance between a EMC RecPoint and extrapolation of a TPC track | |
107 | ||
108 | TVector3 fVtx ; //! Vertex in current position | |
109 | ||
110 | TClonesArray * fLinkUpArray ; //! | |
c978a69b | 111 | std::vector<TrackInPHOS_t> fTPCtracks[5]; //! |
112 | Int_t fNtpcTracks[5] ; //! | |
861b23c3 | 113 | Int_t fEmcFirst; //! Index of first EMC RecPoint belonging to currect PHOS module |
114 | Int_t fEmcLast ; //! | |
115 | Int_t fModule ; //! number of module being processed | |
861b23c3 | 116 | |
9a2cdbdf | 117 | TClonesArray * fTrackSegments; // Array with found track-segments |
118 | ||
119 | ClassDef( AliPHOSTrackSegmentMakerv2,2) // Implementation version 1 of algorithm class to make PHOS track segments | |
861b23c3 | 120 | |
121 | }; | |
122 | ||
123 | #endif // AliPHOSTRACKSEGMENTMAKERV2_H |