2 // Original: AliL3ConfMapper.h,v 1.11 2004/07/05 09:03:11 loizides
4 #ifndef ALIHLTTPCCONFMAPPER_H
5 #define ALIHLTTPCCONFMAPPER_H
8 //Conformal mapping base class
10 // Author: Anders Vestbo <mailto:vestbo@fi.uib.no>
11 //*-- Copyright © ALICE HLT Group
14 class AliHLTTPCConfMapPoint;
15 class AliHLTTPCConfMapTrack;
16 class AliHLTTPCVertex;
17 class AliHLTTPCTrackArray;
18 class AliHLTTPCSpacePointData;
21 class AliHLTTPCConfMapper {
25 AliHLTTPCConfMapper();
26 // AliHLTTPCConfMapper(AliTPCParam *param,AliHLTTPCVertex *vertex,Bool_t bench=(Bool_t)false);
27 virtual ~AliHLTTPCConfMapper();
30 void InitSector(Int_t sector,Int_t *rowrange=0,Float_t *etarange=0);
31 void SetVertex(AliHLTTPCVertex *vertex){fVertex = vertex;}
32 void MainVertexTracking_a();
33 void MainVertexTracking_b();
34 void MainVertexTracking();
35 void NonVertexTracking();
36 void MainVertexSettings(Int_t trackletlength, Int_t tracklength,
37 Int_t rowscopetracklet, Int_t rowscopetrack,Double_t maxphi=0.1,Double_t maxeta=0.1);
38 void NonVertexSettings(Int_t trackletlength, Int_t tracklength,
39 Int_t rowscopetracklet, Int_t rowscopetrack);
40 Bool_t ReadHits(UInt_t count, AliHLTTPCSpacePointData* hits );
42 void CreateTrack(AliHLTTPCConfMapPoint *hit);
43 AliHLTTPCConfMapPoint *GetNextNeighbor(AliHLTTPCConfMapPoint *start_hit,AliHLTTPCConfMapTrack *track=NULL);
44 Int_t EvaluateHit(AliHLTTPCConfMapPoint *start_hit,AliHLTTPCConfMapPoint *hit,AliHLTTPCConfMapTrack *track);
46 Double_t CalcDistance(const AliHLTTPCConfMapPoint *hit1,const AliHLTTPCConfMapPoint *hit2) const;
47 Double_t TrackletAngle(AliHLTTPCConfMapTrack *track,Int_t n=3) const;
48 Bool_t VerifyRange(const AliHLTTPCConfMapPoint *hit1,const AliHLTTPCConfMapPoint *hit2) const;
52 Int_t GetNumberOfTracks() const {return fNTracks;}
53 AliHLTTPCTrackArray *GetTracks() const {return fTrack;}
54 Double_t GetMaxDca() const {return fMaxDca;}
55 AliHLTTPCVertex* GetVertex() const {return fVertex;}
59 void SetTrackCuts(Double_t hitChi2Cut, Double_t goodHitChi2, Double_t trackChi2Cut, Int_t maxdist,Bool_t vertexconstraint);
60 void SetTrackletCuts(Double_t maxangle,Double_t goodDist,Bool_t vc); //Set cut of tracklet for the given vertex_constraint
61 void SetNSegments(Int_t f,Int_t g) {fNumPhiSegment=f,fNumEtaSegment=g;} //Set number of subvolumes (#segments in (phi,eta)
62 void SetMaxDca(Double_t f) {fMaxDca = f;}
65 void SetMinPoints(Int_t f,Bool_t vconstraint) {fMinPoints[(Int_t)vconstraint] = f; }
66 void SetVertexConstraint(Bool_t f) {fVertexConstraint =f;}
68 void SetHitChi2Cut(Double_t f,Bool_t vert) {fHitChi2Cut[(Int_t)vert]=f;}
69 void SetGoodHitChi2(Double_t f,Bool_t vert) {fGoodHitChi2[(Int_t)vert]=f;}
70 void SetTrackChi2Cut(Double_t f,Bool_t vert) {fTrackChi2Cut[(Int_t)vert]=f;}
71 void SetMaxDist(Int_t f,Bool_t vert) {fMaxDist[(Int_t)vert]=f;}
72 void SetTrackletLength(Int_t f,Bool_t vert) {fTrackletLength[(Int_t)vert]=f;}
73 void SetRowScopeTrack(Int_t f, Bool_t vc){fRowScopeTrack[(Int_t)vc] = f;}
74 void SetRowScopeTracklet(Int_t f, Bool_t vc){fRowScopeTracklet[(Int_t)vc] = f;}
75 void SetMaxAngleTracklet(Double_t f, Bool_t vc){fMaxAngleTracklet[(Int_t)vc] = f;}
78 void SetParamDone(Bool_t vconstraint) {fParamSet[(Int_t)vconstraint] = kTRUE;}
82 struct AliHLTTPCConfMapContainer
84 void *first; // first track
85 void *last; // last track
88 Bool_t fBench; //run-time measurements
89 Int_t fNTracks; //number of tracks build.
91 AliHLTTPCVertex *fVertex; //!
92 Bool_t fParamSet[2]; //!
93 Bool_t fVertexFinder; //Include vertexfinding or not
94 //(latter case vertex=(0,0,0))
96 AliHLTTPCConfMapPoint *fHit; //!
97 AliHLTTPCTrackArray *fTrack; //!
98 Double_t fMaxDca; //cut value for momentum fit
100 AliHLTTPCConfMapContainer *fVolume; //! Segment volume
101 AliHLTTPCConfMapContainer *fRow; //! Row volume
103 //Number of cells (segments)
104 Int_t fNumRowSegment; // Total number of padrows
105 Int_t fNumPhiSegment; // number of phi segments
106 Int_t fNumEtaSegment; // number of eta segments
107 Int_t fNumRowSegmentPlusOne; // row+1
108 Int_t fNumPhiSegmentPlusOne; // phi+1
109 Int_t fNumEtaSegmentPlusOne; // eta+1
110 Int_t fNumPhiEtaSegmentPlusOne;// phieta+1
111 Int_t fBounds; // bounds
112 Int_t fPhiHitsOutOfRange; // phi hits out of range
113 Int_t fEtaHitsOutOfRange; // eta hits out of range
116 Float_t fPhiMin; //MinPhi angle to consider
117 Float_t fPhiMax; //MaxPhi angle to consider
118 Float_t fEtaMin; //MinEta to consider
119 Float_t fEtaMax; //MaxEta to consider
120 Int_t fRowMin; //Minimum row to consider
121 Int_t fRowMax; //Maximum row to consider
123 Bool_t fVertexConstraint; //vertex constraint (true or false)
124 Int_t fTrackletLength[2]; //minimal length of tracks
125 Int_t fRowScopeTracklet[2]; //number of row segments to look for the next point of a tracklet
126 Int_t fRowScopeTrack[2]; //number of row segments to look for the next point of a track
127 Int_t fMinPoints[2]; //minimum number of points on one track
130 Double_t fMaxAngleTracklet[2]; //limit of angle between to pieces of a tracklet
131 Int_t fMaxDist[2]; //maximum distance between two hits
132 Double_t fHitChi2Cut[2]; //Maximum hit chi2
133 Double_t fGoodHitChi2[2]; //Chi2 to stop looking for next hit
134 Double_t fTrackChi2Cut[2]; //Maximum track chi2
135 Double_t fGoodDist; //In segment building, distance consider good enough
136 Double_t fMaxPhi; //Maximum phi
137 Double_t fMaxEta; //Maximum eta
139 // Tracking informtion
140 Int_t fMainVertexTracks; //number of tracks coming from the main vertex
141 Int_t fClustersUnused; //number of unused clusters
143 ClassDef(AliHLTTPCConfMapper,1) //Base class for conformal mapping tracking