D.P.: Produce EMCTrackSegments using TPC/ITS tracks (no CPV)
[u/mrichter/AliRoot.git] / PHOS / AliPHOSTrackSegmentMakerv2.h
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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 * $Log$
10 * Revision 1.50 2007/03/06 06:54:48 kharlov
11 * DP:Calculation of cluster properties dep. on vertex added
12 *
13 * Revision 1.49 2007/02/01 13:59:11 hristov
14 * Forward declaration
15 *
16 * Revision 1.48 2006/08/28 10:01:56 kharlov
17 * Effective C++ warnings fixed (Timur Pocheptsov)
18 *
19 * Revision 1.47 2005/11/17 12:35:27 hristov
20 * Use references instead of objects. Avoid to create objects when they are not really needed
21 *
22 * Revision 1.46 2005/05/28 14:19:05 schutz
23 * Compilation warnings fixed by T.P.
24 *
25 */
26
27//_________________________________________________________________________
28// Implementation version 1 of algorithm class to construct PHOS track segments
29// Associates EMC and CPV lusters
30// Unfolds the EMC cluster
31//
32//*-- Author: Dmitri Peressounko (RRC Ki & SUBATECH)
33
34// --- ROOT system ---
35#include <TVector3.h>
36
37// --- Standard library ---
38
39// --- AliRoot header files ---
40#include "AliPHOSTrackSegmentMaker.h"
41
42class AliPHOSEmcRecPoint ;
43class AliPHOSCpvRecPoint ;
44class AliESDtrack ;
45class TClonesArray;
46
47class AliPHOSTrackSegmentMakerv2 : public AliPHOSTrackSegmentMaker {
48
49public:
50
51 AliPHOSTrackSegmentMakerv2() ;
52 AliPHOSTrackSegmentMakerv2(const TString & alirunFileNameFile, const TString & eventFolderName = AliConfig::GetDefaultEventFolderName());
53 AliPHOSTrackSegmentMakerv2(const AliPHOSTrackSegmentMakerv2 & tsm);
54
55 virtual ~ AliPHOSTrackSegmentMakerv2() ; // dtor
56
57 // virtual char* GetRecPointsBranch (void)const{return (char*)fRecPointsBranchTitle.Data() ;}
58 // virtual char* GetTrackSegmentsBranch(void)const{return (char*)fTrackSegmentsBranchTitle.Data() ;}
59 virtual Int_t GetTrackSegmentsInRun()const {return fTrackSegmentsInRun ;}
60
61 virtual void Exec(Option_t *option); // Does the job
62 void FillOneModule() ; // Finds range in which RecPoints belonging current PHOS module are
63
64 void MakeLinks() const; //Evaluates distances(links) between EMC and CPV
65 void MakePairs() ; //Finds pairs(triplets) with smallest link
66 virtual void Print(const Option_t * = "") const ;
67 //Switch to "on flyght" mode, without writing to TreeR and file
68 void SetWriting(Bool_t toWrite = kFALSE){fWrite = toWrite;}
69 virtual void SetMaxTPCDistance(Float_t r){ fRtpc = r ;} //Maximal distance
70 //between EMCrp and extrapolation of TPC track
71 // virtual void SetRecPointsBranch(const char * title) { fRecPointsBranchTitle = title ;}
72 // virtual void SetTrackSegmentsBranch(const char * title){ fTrackSegmentsBranchTitle = title ; }
73 virtual const char * Version() const { return "tsm-v2" ; }
74
75 AliPHOSTrackSegmentMakerv2 & operator = (const AliPHOSTrackSegmentMakerv2 & ) {
76 // assignement operator requested by coding convention but not needed
77 Fatal("operator =", "not implemented") ;
78 return *this ;
79 }
80 void Unload() ;
81
82private:
83
84 const TString BranchName() const ;
85 void GetDistanceInPHOSPlane(AliPHOSEmcRecPoint * EmcClu , AliESDtrack* track,
86 Float_t &dx, Float_t &dz ) const ; // see R0
87 void Init() ;
88 void InitParameters() ;
89 void PrintTrackSegments(Option_t *option) ;
90 virtual void WriteTrackSegments() ;
861b23c3 91
92private:
93
94 Bool_t fDefaultInit; //! Says if the task was created by defaut ctor (only parameters are initialized)
95 Bool_t fWrite ; // Write Tracks to TreeT
96
97 Int_t fNTrackSegments ; // number of track segments found
98
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 TList *fTPC[5]; //! lists of TPC tracks sorted over PHOS modules
105 Int_t fEmcFirst; //! Index of first EMC RecPoint belonging to currect PHOS module
106 Int_t fEmcLast ; //!
107 Int_t fModule ; //! number of module being processed
108 Int_t fTrackSegmentsInRun ; //! Total number of track segments in one run
109
110 ClassDef( AliPHOSTrackSegmentMakerv2,1) // Implementation version 1 of algorithm class to make PHOS track segments
111
112 };
113
114#endif // AliPHOSTRACKSEGMENTMAKERV2_H