1 #ifndef ALIITSURECOPARAM_H
2 #define ALIITSURECOPARAM_H
3 /* Copyright(c) 2007-2009, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
6 /* $Id: AliITSURecoParam.h 57215 2012-06-17 14:47:08Z masera $ */
8 ///////////////////////////////////////////////////////////////////////////////
10 // Class with ITS reconstruction parameters //
12 ///////////////////////////////////////////////////////////////////////////////
14 class AliITSUTrackCond;
16 #include <TObjArray.h>
17 #include "AliDetectorRecoParam.h"
19 class AliITSURecoParam : public AliDetectorRecoParam
22 enum {kClus2Tracks,kPropBack,kRefitInw,kNTrackingPhases}; // tracking phases
25 AliITSURecoParam(Int_t nLr);
26 virtual ~AliITSURecoParam();
28 static AliITSURecoParam *GetLowFluxParam();// make reco parameters for low flux env.
29 static AliITSURecoParam *GetHighFluxParam();// make reco parameters for high flux env.
30 static AliITSURecoParam *GetCosmicTestParam();// special setting for cosmic
32 Double_t GetMaxDforV0dghtrForProlongation() const {return fMaxDforV0dghtrForProlongation;}
33 Double_t GetMaxDForProlongation() const {return fMaxDForProlongation;}
34 Double_t GetMaxDZForProlongation() const {return fMaxDZForProlongation;}
35 Double_t GetMinPtForProlongation() const {return fMinPtForProlongation;}
36 Double_t GetTanLorentzAngle(Int_t lr) const;
37 Double_t GetSigmaY2(Int_t lr) const;
38 Double_t GetSigmaZ2(Int_t lr) const;
39 Bool_t GetAllowDiagonalClusterization(Int_t lr) const;
41 Double_t GetTPCITSWallRMin() const {return fTPCITSWallRMin;}
42 Double_t GetTPCITSWallRMax() const {return fTPCITSWallRMax;}
43 Double_t GetTPCITSWallZSpanH() const {return fTPCITSWallZSpanH;}
44 Double_t GetTPCITSWallMaxStep() const {return fTPCITSWallMaxStep;}
45 TObjArray* GetTrackingConditions() const {return (TObjArray*)&fTrackingConditions;}
46 Int_t GetNTrackingConditions() const {return fTrackingConditions.GetEntriesFast();}
47 AliITSUTrackCond* GetTrackingCondition(Int_t i) const {return (AliITSUTrackCond*)fTrackingConditions[i];}
48 Bool_t GetUseMatLUT(Int_t step) const {return (step<0||step>=kNTrackingPhases) ? kFALSE:fUseMatLUT[step];}
50 void SetNLayers(Int_t n);
51 void SetTanLorentzAngle(Int_t lr, Double_t v);
52 void SetSigmaY2(Int_t lr, Double_t v);
53 void SetSigmaZ2(Int_t lr, Double_t v);
54 void SetAllowDiagonalClusterization(Int_t lr, Bool_t v);
56 void SetMaxDforV0dghtrForProlongation(Double_t v) {fMaxDforV0dghtrForProlongation = v;}
57 void SetMaxDForProlongation(Double_t v) {fMaxDForProlongation = v;}
58 void SetMaxDZForProlongation(Double_t v) {fMaxDZForProlongation = v;}
59 void SetMinPtForProlongation(Double_t v) {fMinPtForProlongation = v;}
61 void SetTPCITSWallRMin(double v) {fTPCITSWallRMin = v;}
62 void SetTPCITSWallRMax(double v) {fTPCITSWallRMax = v;}
63 void SetTPCITSWallZSpanH(double v) {fTPCITSWallZSpanH = v;}
64 void SetTPCITSWallMaxStep(double v) {fTPCITSWallMaxStep = v;}
66 void SetUseMatLUT(Int_t step, Bool_t v) {if (step>=0&&step<kNTrackingPhases) fUseMatLUT[step]=v;}
67 void AddTrackingCondition(AliITSUTrackCond* cond);
68 virtual void Print(Option_t *opt="") const;
71 Int_t fNLayers; // number of layers
73 Double_t fMaxDforV0dghtrForProlongation; // max. rphi imp. par. cut for V0 daughter
74 Double_t fMaxDForProlongation; // max. rphi imp. par. cut
75 Double_t fMaxDZForProlongation; // max. 3D imp. par. cut
76 Double_t fMinPtForProlongation; // min. pt cut
78 Double_t fTPCITSWallRMin; // minR
79 Double_t fTPCITSWallRMax; // maxR
80 Double_t fTPCITSWallZSpanH; // half Z span
81 Double_t fTPCITSWallMaxStep; // max tracking step
83 Bool_t fUseMatLUT[kNTrackingPhases]; // allow usage of material lookup table at given tracking step
84 Bool_t* fAllowDiagonalClusterization; //[fNLayers] allow clusters of pixels with common corners only
85 Double_t* fTanLorentzAngle; //[fNLayers] Optional Lorentz angle for each layer
86 Double_t* fSigmaY2; //[fNLayers] addition to road width^2
87 Double_t* fSigmaZ2; //[fNLayers] addition to road width^2
89 TObjArray fTrackingConditions; // array of tracking conditions for different iterations
91 static const Double_t fgkMaxDforV0dghtrForProlongation; // default
92 static const Double_t fgkMaxDForProlongation; // default
93 static const Double_t fgkMaxDZForProlongation; // default
94 static const Double_t fgkMinPtForProlongation; // default
95 static const Double_t fgkTanLorentzAngle; // default
96 static const Double_t fgkSigmaRoadY; // default
97 static const Double_t fgkSigmaRoadZ; // default
99 // hardwired params for TPC-ITS border layer
100 static const Double_t fgkTPCITSWallRMin; // fiducial R min
101 static const Double_t fgkTPCITSWallRMax; // fiducial R max
102 static const Double_t fgkTPCITSWallZSpanH; // half Z span
103 static const Double_t fgkTPCITSWallMaxStep; // max tracking step
105 static const Bool_t fgkUseMatLUT[kNTrackingPhases]; // def. mat. LUT usage
106 static const Bool_t fgkAllowDiagonalClusterization; // clusters of pixels with common corners
109 AliITSURecoParam(const AliITSURecoParam & param);
110 AliITSURecoParam & operator=(const AliITSURecoParam ¶m);
112 ClassDef(AliITSURecoParam,5) // ITS reco parameters
115 //_____________________________________________________________________________
116 inline Double_t AliITSURecoParam::GetTanLorentzAngle(Int_t lr) const
118 // get tg of Lorentz Angle for the layer
119 return (lr<fNLayers)&&fTanLorentzAngle ? fTanLorentzAngle[lr]:0;
122 //_____________________________________________________________________________
123 inline Double_t AliITSURecoParam::GetSigmaY2(Int_t lr) const
125 // get tg of Lorentz Angle for the layer
126 return (lr<fNLayers)&&fSigmaY2 ? fSigmaY2[lr]:fgkSigmaRoadY*fgkSigmaRoadY; //0;
129 //_____________________________________________________________________________
130 inline Double_t AliITSURecoParam::GetSigmaZ2(Int_t lr) const
132 // get tg of Lorentz Angle for the layer
133 return (lr<fNLayers)&&fSigmaZ2 ? fSigmaZ2[lr]:fgkSigmaRoadZ*fgkSigmaRoadZ;//0;
136 //_____________________________________________________________________________
137 inline Bool_t AliITSURecoParam::GetAllowDiagonalClusterization(Int_t lr) const
139 // are diagonal clusters permitted
140 return (lr<fNLayers)&&fAllowDiagonalClusterization ? fAllowDiagonalClusterization[lr]:fgkAllowDiagonalClusterization;