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3e87ef69 1// @(#) $Id$
2
e9ecfae3 3#ifndef ALIL3CONFMAPPER_H
4#define ALIL3CONFMAPPER_H
5
6//
7//Conformal mapping base class
8//
9// Author: Anders Vestbo <mailto:vestbo@fi.uib.no>
10//*-- Copyright &copy ALICE HLT Group
108615fc 11
108615fc 12
13class AliL3ConfMapPoint;
14class AliL3ConfMapTrack;
15class AliL3Vertex;
16class AliL3TrackArray;
e9ecfae3 17class AliL3SpacePointData;
108615fc 18
b661165c 19
108615fc 20class AliL3ConfMapper {
21
e9ecfae3 22 public:
23
24 AliL3ConfMapper();
25 // AliL3ConfMapper(AliTPCParam *param,AliL3Vertex *vertex,Bool_t bench=(Bool_t)false);
26 virtual ~AliL3ConfMapper();
27
28 void InitVolumes();
29 void InitSector(Int_t sector,Int_t *rowrange=0,Float_t *etarange=0);
30 void SetVertex(AliL3Vertex *vertex){fVertex = vertex;}
31 void MainVertexTracking_a();
32 void MainVertexTracking_b();
33 void MainVertexTracking();
34 void NonVertexTracking();
35 void MainVertexSettings(Int_t trackletlength, Int_t tracklength,
36 Int_t rowscopetracklet, Int_t rowscopetrack,Double_t maxphi=0.1,Double_t maxeta=0.1);
37 void NonVertexSettings(Int_t trackletlength, Int_t tracklength,
38 Int_t rowscopetracklet, Int_t rowscopetrack);
39 Bool_t ReadHits(UInt_t count, AliL3SpacePointData* hits );
40 void ClusterLoop();
41 void CreateTrack(AliL3ConfMapPoint *hit);
42 AliL3ConfMapPoint *GetNextNeighbor(AliL3ConfMapPoint *start_hit,AliL3ConfMapTrack *track=NULL);
43 Int_t EvaluateHit(AliL3ConfMapPoint *start_hit,AliL3ConfMapPoint *hit,AliL3ConfMapTrack *track);
44
45 Double_t CalcDistance(const AliL3ConfMapPoint *hit1,const AliL3ConfMapPoint *hit2) const;
46 Double_t TrackletAngle(AliL3ConfMapTrack *track,Int_t n=3) const;
47 Bool_t VerifyRange(const AliL3ConfMapPoint *hit1,const AliL3ConfMapPoint *hit2) const;
48 Int_t FillTracks();
49
50 //getters
51 Int_t GetNumberOfTracks() const {return fNTracks;}
52 AliL3TrackArray *GetTracks() const {return fTrack;}
53 Double_t GetMaxDca() const {return fMaxDca;}
54 AliL3Vertex* GetVertex() const {return fVertex;}
55 Double_t CpuTime();
56
57 //setters
58 void SetTrackCuts(Double_t hitChi2Cut, Double_t goodHitChi2, Double_t trackChi2Cut, Int_t maxdist,Bool_t vertexconstraint);
59 void SetTrackletCuts(Double_t maxangle,Double_t goodDist,Bool_t vc); //Set cut of tracklet for the given vertex_constraint
60 void SetNSegments(Int_t f,Int_t g) {fNumPhiSegment=f,fNumEtaSegment=g;} //Set number of subvolumes (#segments in (phi,eta)
61 void SetMaxDca(Double_t f) {fMaxDca = f;}
62
63 //setter:
64 void SetMinPoints(Int_t f,Bool_t vconstraint) {fMinPoints[(Int_t)vconstraint] = f; }
65 void SetVertexConstraint(Bool_t f) {fVertexConstraint =f;}
66
67 void SetHitChi2Cut(Double_t f,Bool_t vert) {fHitChi2Cut[(Int_t)vert]=f;}
68 void SetGoodHitChi2(Double_t f,Bool_t vert) {fGoodHitChi2[(Int_t)vert]=f;}
69 void SetTrackChi2Cut(Double_t f,Bool_t vert) {fTrackChi2Cut[(Int_t)vert]=f;}
70 void SetMaxDist(Int_t f,Bool_t vert) {fMaxDist[(Int_t)vert]=f;}
71 void SetTrackletLength(Int_t f,Bool_t vert) {fTrackletLength[(Int_t)vert]=f;}
72 void SetRowScopeTrack(Int_t f, Bool_t vc){fRowScopeTrack[(Int_t)vc] = f;}
73 void SetRowScopeTracklet(Int_t f, Bool_t vc){fRowScopeTracklet[(Int_t)vc] = f;}
74 void SetMaxAngleTracklet(Double_t f, Bool_t vc){fMaxAngleTracklet[(Int_t)vc] = f;}
75
76 void SetPointers();
77 void SetParamDone(Bool_t vconstraint) {fParamSet[(Int_t)vconstraint] = kTRUE;}
78
79 private:
80
d5cdf5cf 81 struct AliL3ConfMapContainer
82 {
83 void *first; // first track
84 void *last; // last track
85 };
86
02f030e3 87 Bool_t fBench; //run-time measurements
d5cdf5cf 88 Int_t fNTracks; //number of tracks build.
108615fc 89
108615fc 90 AliL3Vertex *fVertex; //!
d5cdf5cf 91 Bool_t fParamSet[2]; //!
e9ecfae3 92 Bool_t fVertexFinder; //Include vertexfinding or not
93 //(latter case vertex=(0,0,0))
108615fc 94
108615fc 95 AliL3ConfMapPoint *fHit; //!
96 AliL3TrackArray *fTrack; //!
97 Double_t fMaxDca; //cut value for momentum fit
98
99 AliL3ConfMapContainer *fVolume; //! Segment volume
100 AliL3ConfMapContainer *fRow; //! Row volume
101
102 //Number of cells (segments)
103 Int_t fNumRowSegment; // Total number of padrows
104 Int_t fNumPhiSegment; // number of phi segments
105 Int_t fNumEtaSegment; // number of eta segments
d5cdf5cf 106 Int_t fNumRowSegmentPlusOne; // row+1
107 Int_t fNumPhiSegmentPlusOne; // phi+1
108 Int_t fNumEtaSegmentPlusOne; // eta+1
109 Int_t fNumPhiEtaSegmentPlusOne;// phieta+1
110 Int_t fBounds; // bounds
111 Int_t fPhiHitsOutOfRange; // phi hits out of range
112 Int_t fEtaHitsOutOfRange; // eta hits out of range
108615fc 113
114 //tracking range:
115 Float_t fPhiMin; //MinPhi angle to consider
116 Float_t fPhiMax; //MaxPhi angle to consider
117 Float_t fEtaMin; //MinEta to consider
118 Float_t fEtaMax; //MaxEta to consider
119 Int_t fRowMin; //Minimum row to consider
120 Int_t fRowMax; //Maximum row to consider
121
122 Bool_t fVertexConstraint; //vertex constraint (true or false)
123 Int_t fTrackletLength[2]; //minimal length of tracks
124 Int_t fRowScopeTracklet[2]; //number of row segments to look for the next point of a tracklet
125 Int_t fRowScopeTrack[2]; //number of row segments to look for the next point of a track
126 Int_t fMinPoints[2]; //minimum number of points on one track
127
128 // Cuts
129 Double_t fMaxAngleTracklet[2]; //limit of angle between to pieces of a tracklet
02f030e3 130 Int_t fMaxDist[2]; //maximum distance between two hits
131 Double_t fHitChi2Cut[2]; //Maximum hit chi2
132 Double_t fGoodHitChi2[2]; //Chi2 to stop looking for next hit
133 Double_t fTrackChi2Cut[2]; //Maximum track chi2
108615fc 134 Double_t fGoodDist; //In segment building, distance consider good enough
d5cdf5cf 135 Double_t fMaxPhi; //Maximum phi
136 Double_t fMaxEta; //Maximum eta
108615fc 137
138 // Tracking informtion
139 Int_t fMainVertexTracks; //number of tracks coming from the main vertex
140 Int_t fClustersUnused; //number of unused clusters
141
108615fc 142 ClassDef(AliL3ConfMapper,1) //Base class for conformal mapping tracking
143};
144
145#endif