4 //* This file is property of and copyright by the ALICE HLT Project *
5 //* ALICE Experiment at CERN, All rights reserved. *
6 //* See cxx source for full Copyright notice *
8 #ifndef ALIHLTTPCCAPARAM_H
9 #define ALIHLTTPCCAPARAM_H
11 #include "AliHLTTPCCADef.h"
16 * @class ALIHLTTPCCAParam
17 * parameters of the AliHLTTPCCATracker, including geometry information
18 * and some reconstructon constants.
20 * The class is under construction.
23 class AliHLTTPCCAParam
27 #if !defined(HLTCA_GPUCODE)
28 GPUd() AliHLTTPCCAParam();
31 ~AliHLTTPCCAParam(){;}
33 GPUd() void Initialize( Int_t iSlice, Int_t nRows, Float_t rowX[],
34 Float_t alpha, Float_t dAlpha,
35 Float_t rMin, Float_t rMax, Float_t zMin, Float_t zMax,
36 Float_t padPitch, Float_t zSigma, Float_t bz );
39 GPUd() void Slice2Global( Float_t x, Float_t y, Float_t z,
40 Float_t *X, Float_t *Y, Float_t *Z ) const;
41 GPUd() GPUd() void Global2Slice( Float_t x, Float_t y, Float_t z,
42 Float_t *X, Float_t *Y, Float_t *Z ) const;
43 GPUhd() Int_t &ISlice(){ return fISlice;}
44 GPUhd() Int_t &NRows(){ return fNRows;}
46 GPUhd() Float_t &RowX( Int_t iRow ){ return fRowX[iRow]; }
48 GPUd() Float_t &Alpha(){ return fAlpha;}
49 GPUd() Float_t &DAlpha(){ return fDAlpha;}
50 GPUd() Float_t &CosAlpha(){ return fCosAlpha;}
51 GPUd() Float_t &SinAlpha(){ return fSinAlpha;}
52 GPUd() Float_t &AngleMin(){ return fAngleMin;}
53 GPUd() Float_t &AngleMax(){ return fAngleMax;}
54 GPUd() Float_t &RMin(){ return fRMin;}
55 GPUd() GPUd() Float_t &RMax(){ return fRMax;}
56 GPUd() GPUd() Float_t &ZMin(){ return fZMin;}
57 GPUd() Float_t &ZMax(){ return fZMax;}
58 GPUd() Float_t &ErrZ(){ return fErrZ;}
59 GPUd() Float_t &ErrX(){ return fErrX;}
60 GPUd() Float_t &ErrY(){ return fErrY;}
61 GPUd() Float_t &Bz(){ return fBz;}
63 GPUd() Float_t &TrackConnectionFactor(){ return fTrackConnectionFactor; }
64 GPUd() Float_t &TrackChiCut() { return fTrackChiCut; }
65 GPUd() Float_t &TrackChi2Cut(){ return fTrackChi2Cut; }
66 GPUd() Int_t &MaxTrackMatchDRow(){ return fMaxTrackMatchDRow; }
67 GPUd() Float_t &YErrorCorrection(){ return fYErrorCorrection; }
68 GPUd() Float_t &ZErrorCorrection(){ return fZErrorCorrection; }
69 GPUd() Float_t &CellConnectionAngleXY(){ return fCellConnectionAngleXY; }
70 GPUd() Float_t &CellConnectionAngleXZ(){ return fCellConnectionAngleXZ; }
72 GPUd() Float_t GetClusterError2(Int_t yz, Int_t type, Float_t z, Float_t angle ) const;
74 void WriteSettings( std::ostream &out ) const;
75 void ReadSettings( std::istream &in );
79 Int_t fISlice; // slice number
80 Int_t fNRows; // number of rows
82 Float_t fAlpha, fDAlpha; // slice angle and angular size
83 Float_t fCosAlpha, fSinAlpha;// sign and cosine of the slice angle
84 Float_t fAngleMin, fAngleMax; // minimal and maximal angle
85 Float_t fRMin, fRMax;// slice R range
86 Float_t fZMin, fZMax;// slice Z range
87 Float_t fErrX, fErrY, fErrZ;// default cluster errors
88 Float_t fPadPitch; // pad pitch
89 Float_t fBz; // magnetic field value (only constant field can be used)
91 Float_t fYErrorCorrection;// correction factor for Y error of input clusters
92 Float_t fZErrorCorrection;// correction factor for Z error of input clusters
94 Float_t fCellConnectionAngleXY; // max phi angle between connected cells
95 Float_t fCellConnectionAngleXZ; // max psi angle between connected cells
96 Int_t fMaxTrackMatchDRow;// maximal jump in TPC row for connecting track segments
97 Float_t fTrackConnectionFactor; // allowed distance in Chi^2/3.5 for neighbouring tracks
98 Float_t fTrackChiCut; // cut for track Sqrt(Chi2/NDF);
99 Float_t fTrackChi2Cut;// cut for track Chi^2/NDF
101 Float_t fRowX[200];// X-coordinate of rows
102 Float_t fParamS0Par[2][3][7]; // cluster error parameterization coeficients