Possibility of selecting larger windows in SA tracker, in order to use the tracker...
[u/mrichter/AliRoot.git] / ITS / AliITSRecoParam.h
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44347160 1#ifndef ALIITSRECOPARAM_H
2#define ALIITSRECOPARAM_H
572f41f9 3/* Copyright(c) 2007-2009, ALICE Experiment at CERN, All rights reserved. *
44347160 4 * See cxx source for full Copyright notice */
5
572f41f9 6/* $Id$ */
7
44347160 8///////////////////////////////////////////////////////////////////////////////
9// //
10// Class with ITS reconstruction parameters //
11// Origin: andrea.dainese@lnl.infn.it //
12// //
13///////////////////////////////////////////////////////////////////////////////
14
15
16#include "TObject.h"
e50912db 17#include "AliITSgeomTGeo.h"
44347160 18
19class AliITSRecoParam : public TObject
20{
21 public:
22 AliITSRecoParam();
23 virtual ~AliITSRecoParam();
24
25 static AliITSRecoParam *GetLowFluxParam();// make reco parameters for low flux env.
26 static AliITSRecoParam *GetHighFluxParam();// make reco parameters for high flux env.
27 static AliITSRecoParam *GetCosmicTestParam();// special setting for cosmic
28
e50912db 29 static Int_t GetLayersNotToSkip(Int_t i) { return fgkLayersNotToSkip[i]; }
30 static Int_t GetLastLayerToTrackTo() { return fgkLastLayerToTrackTo; }
31 static Int_t GetMaxClusterPerLayer() { return fgkMaxClusterPerLayer; }
32 static Int_t GetMaxClusterPerLayer5() { return fgkMaxClusterPerLayer5; }
33 static Int_t GetMaxClusterPerLayer10() { return fgkMaxClusterPerLayer10; }
34 static Int_t GetMaxClusterPerLayer20() { return fgkMaxClusterPerLayer20; }
35 static Int_t GetMaxDetectorPerLayer() { return fgkMaxDetectorPerLayer; }
36 static Double_t Getriw() { return fgkriw; }
37 static Double_t Getdiw() { return fgkdiw; }
38 static Double_t GetX0iw() { return fgkX0iw; }
39 static Double_t Getrcd() { return fgkrcd; }
40 static Double_t Getdcd() { return fgkdcd; }
41 static Double_t GetX0cd() { return fgkX0cd; }
42 static Double_t Getyr() { return fgkyr; }
43 static Double_t Getdr() { return fgkdr; }
44 static Double_t Getzm() { return fgkzm; }
45 static Double_t Getdm() { return fgkdm; }
46 static Double_t Getrs() { return fgkrs; }
47 static Double_t Getds() { return fgkds; }
48 static Double_t GetrInsideITSscreen() { return fgkrInsideITSscreen; }
49 static Double_t GetrInsideSPD1() { return fgkrInsideSPD1; }
50 static Double_t GetrPipe() { return fgkrPipe; }
51 static Double_t GetrInsidePipe() { return fgkrInsidePipe; }
52 static Double_t GetrOutsidePipe() { return fgkrOutsidePipe; }
53 static Double_t GetdPipe() { return fgkdPipe; }
54 static Double_t GetrInsideShield(Int_t i) { return fgkrInsideShield[i]; }
55 static Double_t GetrOutsideShield(Int_t i) { return fgkrOutsideShield[i]; }
56 static Double_t Getdshield(Int_t i) { return fgkdshield[i]; }
57 static Double_t GetX0shield(Int_t i) { return fgkX0shield[i]; }
58 static Double_t GetX0Air() { return fgkX0Air; }
59 static Double_t GetX0Be() { return fgkX0Be; }
60 static Double_t GetBoundaryWidth() { return fgkBoundaryWidth; }
61 static Double_t GetDeltaXNeighbDets() { return fgkDeltaXNeighbDets; }
62 static Double_t GetSPDdetzlength() { return fgkSPDdetzlength; }
63 static Double_t GetSPDdetxlength() { return fgkSPDdetxlength; }
64
44347160 65 Double_t GetSigmaY2(Int_t i) const { return fSigmaY2[i]; }
66 Double_t GetSigmaZ2(Int_t i) const { return fSigmaZ2[i]; }
67
68 Double_t GetMaxSnp() const { return fMaxSnp; }
69
70 Double_t GetNSigmaYLayerForRoadY() const { return fNSigmaYLayerForRoadY; }
71 Double_t GetNSigmaRoadY() const { return fNSigmaRoadY; }
72 Double_t GetNSigmaZLayerForRoadZ() const { return fNSigmaZLayerForRoadZ; }
73 Double_t GetNSigmaRoadZ() const { return fNSigmaRoadZ; }
74 Double_t GetNSigma2RoadYC() const { return fNSigma2RoadYC; }
75 Double_t GetNSigma2RoadZC() const { return fNSigma2RoadZC; }
76 Double_t GetNSigma2RoadYNonC() const { return fNSigma2RoadYNonC; }
77 Double_t GetNSigma2RoadZNonC() const { return fNSigma2RoadZNonC; }
78
79 Double_t GetChi2PerCluster() const { return fChi2PerCluster; }
80 Double_t GetMaxChi2PerCluster(Int_t i) const { return fMaxChi2PerCluster[i]; }
81 Double_t GetMaxNormChi2NonC(Int_t i) const { return fMaxNormChi2NonC[i]; }
82 Double_t GetMaxNormChi2C(Int_t i) const { return fMaxNormChi2C[i]; }
afd25725 83 Double_t GetMaxNormChi2NonCForHypothesis() const { return fMaxNormChi2NonCForHypothesis; }
44347160 84 Double_t GetMaxChi2() const { return fMaxChi2; }
85 Double_t GetMaxChi2s(Int_t i) const { return fMaxChi2s[i]; }
86 Double_t GetMaxChi2sR(Int_t i) const { return fMaxChi2sR[i]; }
87 Double_t GetMaxChi2In() const { return fMaxChi2In; }
44347160 88 Double_t GetMaxRoad() const { return fMaxRoad; }
afd25725 89 Double_t GetMaxNormChi2ForGolden(Int_t i) const { return 3.+0.5*i; }
44347160 90
91 Double_t GetXVdef() const { return fXV; }
92 Double_t GetYVdef() const { return fYV; }
93 Double_t GetZVdef() const { return fZV; }
94 Double_t GetSigmaXVdef() const { return fSigmaXV; }
95 Double_t GetSigmaYVdef() const { return fSigmaYV; }
96 Double_t GetSigmaZVdef() const { return fSigmaZV; }
afd25725 97
98 Double_t GetVertexCut() const { return fVertexCut; }
99 Double_t GetMaxDZforPrimTrk() const { return fMaxDZforPrimTrk; }
100 Double_t GetMaxDZToUseConstraint() const { return fMaxDZToUseConstraint; }
101 Double_t GetMaxDforV0dghtrForProlongation() const { return fMaxDforV0dghtrForProlongation; }
102 Double_t GetMaxDForProlongation() const { return fMaxDForProlongation; }
103 Double_t GetMaxDZForProlongation() const { return fMaxDZForProlongation; }
104 Double_t GetMinPtForProlongation() const { return fMinPtForProlongation; }
105
106 void SetAddVirtualClustersInDeadZone(Bool_t add=kTRUE) { fAddVirtualClustersInDeadZone=add; return; }
107 Bool_t GetAddVirtualClustersInDeadZone() const { return fAddVirtualClustersInDeadZone; }
108 Double_t GetZWindowDeadZone() const { return fZWindowDeadZone; }
109 Double_t GetSigmaXDeadZoneHit2() const { return fSigmaXDeadZoneHit2; }
110 Double_t GetSigmaZDeadZoneHit2() const { return fSigmaZDeadZoneHit2; }
111 Double_t GetXPassDeadZoneHits() const { return fXPassDeadZoneHits; }
112
113
114
e50912db 115 void SetUseTGeoInTracker(Int_t use=1) { fUseTGeoInTracker=use; return; }
116 Int_t GetUseTGeoInTracker() const { return fUseTGeoInTracker; }
44347160 117
afd25725 118 void SetAllowSharedClusters(Bool_t allow=kTRUE) { fAllowSharedClusters=allow; return; }
119 Bool_t GetAllowSharedClusters() const { return fAllowSharedClusters; }
120
e50912db 121 void SetClusterErrorsParam(Int_t param=1) { fClusterErrorsParam=param; return; }
122 Int_t GetClusterErrorsParam() const { return fClusterErrorsParam; }
123 void SetUseAmplitudeInfo(Bool_t use=kTRUE) { for(Int_t i=0;i<AliITSgeomTGeo::kNLayers;i++) fUseAmplitudeInfo[i]=use; return; }
572f41f9 124 void SetUseAmplitudeInfo(Int_t ilay,Bool_t use) { fUseAmplitudeInfo[ilay]=use; return; }
125 Bool_t GetUseAmplitudeInfo(Int_t ilay) const { return fUseAmplitudeInfo[ilay]; }
126
127
afd25725 128 void SetFindV0s(Bool_t find=kTRUE) { fFindV0s=find; return; }
129 Bool_t GetFindV0s() const { return fFindV0s; }
130
e340bb86 131 void SetFactorSAWindowSizes(Double_t fact=1.) { fFactorSAWindowSizes=fact; return; }
132 Double_t GetFactorSAWindowSizes() const { return fFactorSAWindowSizes; }
133
44347160 134 void SetLayersParameters();
135 //
e50912db 136
137 enum {fgkMaxClusterPerLayer=70000}; //7000*10; // max clusters per layer
138 enum {fgkMaxClusterPerLayer5=28000};//7000*10*2/5; // max clusters per layer
139 enum {fgkMaxClusterPerLayer10=14000};//7000*10*2/10; // max clusters per layer
140 enum {fgkMaxClusterPerLayer20=7000};//7000*10*2/20; // max clusters per layer
141
44347160 142 protected:
143 //
e50912db 144 static const Int_t fgkLayersNotToSkip[AliITSgeomTGeo::kNLayers]; // array with layers not to skip
145 static const Int_t fgkLastLayerToTrackTo; // innermost layer
146 static const Int_t fgkMaxDetectorPerLayer; // max clusters per layer
147 static const Double_t fgkriw; // TPC inner wall radius
148 static const Double_t fgkdiw; // TPC inner wall x/X0
149 static const Double_t fgkX0iw; // TPC inner wall X0
150 static const Double_t fgkrcd; // TPC central drum radius
151 static const Double_t fgkdcd; // TPC central drum x/X0
152 static const Double_t fgkX0cd; // TPC central drum X0
153 static const Double_t fgkyr; // TPC rods y (tracking c.s.)
154 static const Double_t fgkdr; // TPC rods x/X0
155 static const Double_t fgkzm; // TPC membrane z
156 static const Double_t fgkdm; // TPC membrane x/X0
157 static const Double_t fgkrs; // ITS screen radius
158 static const Double_t fgkds; // ITS screed x/X0
159 static const Double_t fgkrInsideITSscreen; // inside ITS screen radius
160 static const Double_t fgkrInsideSPD1; // inside SPD1 radius
161 static const Double_t fgkrPipe; // pipe radius
162 static const Double_t fgkrInsidePipe; // inside pipe radius
163 static const Double_t fgkrOutsidePipe; // outside pipe radius
164 static const Double_t fgkdPipe; // pipe x/X0
165 static const Double_t fgkrInsideShield[2]; // inside SPD (0) SDD (1) shield radius
166 static const Double_t fgkrOutsideShield[2]; // outside SPD (0) SDD (1) shield radius
167 static const Double_t fgkdshield[2]; // SPD (0) SDD (1) shield x/X0
168 static const Double_t fgkX0shield[2]; // SPD (0) SDD (1) shield X0
169 static const Double_t fgkX0Air; // air X0
170 static const Double_t fgkX0Be; // Berillium X0
171 static const Double_t fgkBoundaryWidth; // to define track at detector boundary
172 static const Double_t fgkDeltaXNeighbDets; // max difference in radius between neighbouring detectors
173 static const Double_t fgkSPDdetzlength; // SPD ladder length in z
174 static const Double_t fgkSPDdetxlength; // SPD ladder length in x
175
44347160 176 // spatial resolutions of the detectors
e50912db 177 Double_t fSigmaY2[AliITSgeomTGeo::kNLayers]; // y
178 Double_t fSigmaZ2[AliITSgeomTGeo::kNLayers]; // z
44347160 179 //
180 Double_t fMaxSnp; // maximum of sin(phi) (MI)
181 //
182 // search road (MI)
36e140f1 183 Double_t fNSigmaYLayerForRoadY; // y
184 Double_t fNSigmaRoadY; // y
185 Double_t fNSigmaZLayerForRoadZ; // z
186 Double_t fNSigmaRoadZ; // z
187 Double_t fNSigma2RoadZC; // z
188 Double_t fNSigma2RoadYC; // y
189 Double_t fNSigma2RoadZNonC; // z
190 Double_t fNSigma2RoadYNonC; // y
44347160 191 //
192 // chi2 cuts
e50912db 193 Double_t fMaxChi2PerCluster[AliITSgeomTGeo::kNLayers-1]; // max chi2 for MIP (MI)
194 Double_t fMaxNormChi2NonC[AliITSgeomTGeo::kNLayers]; //max norm chi2 for non constrained tracks (MI)
195 Double_t fMaxNormChi2C[AliITSgeomTGeo::kNLayers]; //max norm chi2 for constrained tracks (MI)
afd25725 196 Double_t fMaxNormChi2NonCForHypothesis; //max norm chi2 (on layers 0,1,2) for hypotheis to be kept (MI)
44347160 197 Double_t fMaxChi2; // used to initialize variables needed to find minimum chi2 (MI,V2)
e50912db 198 Double_t fMaxChi2s[AliITSgeomTGeo::kNLayers]; // max predicted chi2 (cluster & track prol.) (MI)
44347160 199 //
200 Double_t fMaxRoad; // (V2)
201 //
202 Double_t fMaxChi2In; // (NOT USED)
e50912db 203 Double_t fMaxChi2sR[AliITSgeomTGeo::kNLayers]; // (NOT USED)
44347160 204 Double_t fChi2PerCluster; // (NOT USED)
205 //
206 // default primary vertex (MI,V2)
36e140f1 207 Double_t fXV; // x
208 Double_t fYV; // y
209 Double_t fZV; // z
210 Double_t fSigmaXV; // x
211 Double_t fSigmaYV; // y
212 Double_t fSigmaZV; // z
44347160 213 Double_t fVertexCut; // (V2)
afd25725 214 Double_t fMaxDZforPrimTrk; // maximum (imp. par.)/(1+layer) to define
215 // a primary and apply vertex constraint (MI)
216 Double_t fMaxDZToUseConstraint; // maximum (imp. par.) for tracks to be
217 // prolonged with constraint
218 // cuts to decide if trying to prolong a TPC track (MI)
219 Double_t fMaxDforV0dghtrForProlongation; // max. rphi imp. par. cut for V0 daughter
44347160 220 //
afd25725 221 Double_t fMaxDForProlongation; // max. rphi imp. par. cut
222 Double_t fMaxDZForProlongation; // max. 3D imp. par. cut
223 Double_t fMinPtForProlongation; // min. pt cut
224
225 // parameters to create "virtual" clusters in SPD dead zone (MI)
36e140f1 226 Bool_t fAddVirtualClustersInDeadZone; // add if kTRUE
227 Double_t fZWindowDeadZone; // window size
228 Double_t fSigmaXDeadZoneHit2; // x error virtual cls
229 Double_t fSigmaZDeadZoneHit2; // z error virtual cls
230 Double_t fXPassDeadZoneHits; // x distance between clusters
afd25725 231
232
e50912db 233 Int_t fUseTGeoInTracker; // use TGeo to get material budget in tracker MI
afd25725 234 Bool_t fAllowSharedClusters; // if kFALSE don't set to kITSin tracks with shared clusters (MI)
e50912db 235 Int_t fClusterErrorsParam; // parametrization for cluster errors (MI), see AliITSRecoParam::GetError()
236 Bool_t fUseAmplitudeInfo[AliITSgeomTGeo::kNLayers]; // use cluster charge in cluster-track matching (SDD,SSD) (MI)
afd25725 237
238 Bool_t fFindV0s; // flag to enable V0 finder (MI)
239
e340bb86 240 Double_t fFactorSAWindowSizes; // larger window sizes in SA
241
44347160 242 ClassDef(AliITSRecoParam,1) // ITS reco parameters
243};
244
245#endif