2 // Original: AliHLTConfMapper.h,v 1.11 2004/07/05 09:03:11 loizides
4 #ifndef ALIHLTTPCCONFMAPPER_H
5 #define ALIHLTTPCCONFMAPPER_H
6 //* This file is property of and copyright by the ALICE HLT Project *
7 //* ALICE Experiment at CERN, All rights reserved. *
8 //* See cxx source for full Copyright notice *
10 /** @file AliHLTTPCConfMapper.h
11 @author Anders Vestbo, Matthias Richter
12 @date Conformal mapping base class.
17 #include "AliHLTTPCConfMapPoint.h"
19 class AliHLTTPCConfMapTrack;
20 class AliHLTTPCVertex;
21 class AliHLTTPCTrackArray;
22 class AliHLTTPCSpacePointData;
26 * @class AliHLTTPCConfMapper
27 * Conformal mapping base class.
31 class AliHLTTPCConfMapper {
35 AliHLTTPCConfMapper();
36 // AliHLTTPCConfMapper(AliTPCParam *param,AliHLTTPCVertex *vertex,Bool_t bench=(Bool_t)false);
38 virtual ~AliHLTTPCConfMapper();
41 * Init and calculate bounds for the internal arrays.
46 * Reset internal arrays and free memory.
50 void InitSector(Int_t sector,Int_t *rowrange=0,Float_t *etarange=0);
51 void SetVertex(AliHLTTPCVertex *vertex){fVertex = vertex;}
52 void MainVertexTrackingA();
53 void MainVertexTrackingB();
54 void MainVertexTracking();
55 void NonVertexTracking();
56 void MainVertexSettings(Int_t trackletlength, Int_t tracklength,
57 Int_t rowscopetracklet, Int_t rowscopetrack,Double_t maxphi=0.1,Double_t maxeta=0.1);
58 void NonVertexSettings(Int_t trackletlength, Int_t tracklength,
59 Int_t rowscopetracklet, Int_t rowscopetrack);
62 * Read an array of space point data.
63 * @param count array size
65 * @return kTRUE if success.
67 Bool_t ReadHits(UInt_t count, AliHLTTPCSpacePointData* hits );
68 Bool_t ReadHitsChecked(UInt_t count, AliHLTTPCSpacePointData* hits,unsigned int sizeInByte );
70 void CreateTrack(AliHLTTPCConfMapPoint *hit);
71 AliHLTTPCConfMapPoint *GetNextNeighbor(AliHLTTPCConfMapPoint *start_hit,AliHLTTPCConfMapTrack *track=NULL);
72 Int_t EvaluateHit(AliHLTTPCConfMapPoint *start_hit,AliHLTTPCConfMapPoint *hit,AliHLTTPCConfMapTrack *track);
74 Double_t CalcDistance(const AliHLTTPCConfMapPoint *hit1,const AliHLTTPCConfMapPoint *hit2) const;
75 Double_t TrackletAngle(AliHLTTPCConfMapTrack *track,Int_t n=3) const;
76 Bool_t VerifyRange(const AliHLTTPCConfMapPoint *hit1,const AliHLTTPCConfMapPoint *hit2) const;
80 Int_t GetNumberOfTracks() const {return fNTracks;}
81 AliHLTTPCTrackArray *GetTracks() const {return fTrack;}
82 Double_t GetMaxDca() const {return fMaxDca;}
83 AliHLTTPCVertex* GetVertex() const {return fVertex;}
87 void SetTrackCuts(Double_t hitChi2Cut, Double_t goodHitChi2, Double_t trackChi2Cut, Int_t maxdist,Bool_t vertexconstraint);
88 void SetTrackletCuts(Double_t maxangle,Double_t goodDist,Bool_t vc); //Set cut of tracklet for the given vertex_constraint
89 void SetNSegments(Int_t f,Int_t g) {fNumPhiSegment=f,fNumEtaSegment=g;} //Set number of subvolumes (#segments in (phi,eta)
90 void SetMaxDca(Double_t f) {fMaxDca = f;}
93 void SetMinPoints(Int_t f,Bool_t vconstraint) {fMinPoints[(Int_t)vconstraint] = f; }
94 void SetVertexConstraint(Bool_t f) {fVertexConstraint =f;}
96 void SetHitChi2Cut(Double_t f,Bool_t vert) {fHitChi2Cut[(Int_t)vert]=f;}
97 void SetGoodHitChi2(Double_t f,Bool_t vert) {fGoodHitChi2[(Int_t)vert]=f;}
98 void SetTrackChi2Cut(Double_t f,Bool_t vert) {fTrackChi2Cut[(Int_t)vert]=f;}
99 void SetMaxDist(Int_t f,Bool_t vert) {fMaxDist[(Int_t)vert]=f;}
100 void SetTrackletLength(Int_t f,Bool_t vert) {fTrackletLength[(Int_t)vert]=f;}
101 void SetRowScopeTrack(Int_t f, Bool_t vc){fRowScopeTrack[(Int_t)vc] = f;}
102 void SetRowScopeTracklet(Int_t f, Bool_t vc){fRowScopeTracklet[(Int_t)vc] = f;}
103 void SetMaxAngleTracklet(Double_t f, Bool_t vc){fMaxAngleTracklet[(Int_t)vc] = f;}
106 void SetParamDone(Bool_t vconstraint) {fParamSet[(Int_t)vconstraint] = kTRUE;}
108 void SetClusterCutZ(Int_t c){fClusterCutZ=c;}
111 /** copy constructor prohibited */
112 AliHLTTPCConfMapper(const AliHLTTPCConfMapper&);
113 /** assignment operator prohibited */
114 AliHLTTPCConfMapper& operator=(const AliHLTTPCConfMapper&);
116 struct AliHLTTPCConfMapContainer
118 void *first; // first track
119 void *last; // last track
122 Bool_t fBench; //run-time measurements
123 Int_t fNTracks; //number of tracks build.
125 AliHLTTPCVertex *fVertex; //!
126 Bool_t fParamSet[2]; //!
127 Bool_t fVertexFinder; //Include vertexfinding or not
128 //(latter case vertex=(0,0,0))
130 /** the list of hits */
131 vector<AliHLTTPCConfMapPoint> fHit; //!
132 AliHLTTPCTrackArray *fTrack; //!
133 Double_t fMaxDca; //cut value for momentum fit
135 AliHLTTPCConfMapContainer *fVolume; //! Segment volume
136 AliHLTTPCConfMapContainer *fRow; //! Row volume
138 //Number of cells (segments)
139 Int_t fNumRowSegment; // Total number of padrows
140 Int_t fNumPhiSegment; // number of phi segments
141 Int_t fNumEtaSegment; // number of eta segments
142 Int_t fNumRowSegmentPlusOne; // row+1
143 Int_t fNumPhiSegmentPlusOne; // phi+1
144 Int_t fNumEtaSegmentPlusOne; // eta+1
145 Int_t fNumPhiEtaSegmentPlusOne;// phieta+1
146 Int_t fBounds; // bounds
147 Int_t fPhiHitsOutOfRange; // phi hits out of range
148 Int_t fEtaHitsOutOfRange; // eta hits out of range
151 Float_t fPhiMin; //MinPhi angle to consider
152 Float_t fPhiMax; //MaxPhi angle to consider
153 Float_t fEtaMin; //MinEta to consider
154 Float_t fEtaMax; //MaxEta to consider
155 Int_t fRowMin; //Minimum row to consider
156 Int_t fRowMax; //Maximum row to consider
158 Bool_t fVertexConstraint; //vertex constraint (true or false)
159 Int_t fTrackletLength[2]; //minimal length of tracks
160 Int_t fRowScopeTracklet[2]; //number of row segments to look for the next point of a tracklet
161 Int_t fRowScopeTrack[2]; //number of row segments to look for the next point of a track
162 Int_t fMinPoints[2]; //minimum number of points on one track
165 Double_t fMaxAngleTracklet[2]; //limit of angle between to pieces of a tracklet
166 Int_t fMaxDist[2]; //maximum distance between two hits
167 Double_t fHitChi2Cut[2]; //Maximum hit chi2
168 Double_t fGoodHitChi2[2]; //Chi2 to stop looking for next hit
169 Double_t fTrackChi2Cut[2]; //Maximum track chi2
170 Double_t fGoodDist; //In segment building, distance consider good enough
171 Double_t fMaxPhi; //Maximum phi
172 Double_t fMaxEta; //Maximum eta
174 // Tracking informtion
175 Int_t fMainVertexTracks; //number of tracks coming from the main vertex
176 Int_t fClustersUnused; //number of unused clusters
178 Int_t fClusterCutZ; //Cut for taking out clusters with large Z
180 ClassDef(AliHLTTPCConfMapper,0) //Base class for conformal mapping tracking