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e4f2f73d | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | /* $Id$ */ | |
17 | ||
18 | /////////////////////////////////////////////////////////////////////////////// | |
19 | // // | |
20 | // Parameter class for the TRD reconstruction // | |
21 | // // | |
22 | // Authors: // | |
23 | // Alex Bercuci <A.Bercuci@gsi.de> // | |
24 | // Markus Fasel <M.Fasel@gsi.de> // | |
25 | // // | |
26 | /////////////////////////////////////////////////////////////////////////////// | |
27 | ||
8df1f8f5 | 28 | #include "AliLog.h" |
29 | ||
e4f2f73d | 30 | #include "AliTRDrecoParam.h" |
31 | ||
32 | ClassImp(AliTRDrecoParam) | |
33 | ||
a2fbb6ec | 34 | |
e4f2f73d | 35 | //______________________________________________________________ |
36 | AliTRDrecoParam::AliTRDrecoParam() | |
37 | :AliDetectorRecoParam() | |
8ae98148 | 38 | ,fkdNchdy(12.) |
91834b8d | 39 | ,fkMaxTheta(1.0) |
40 | ,fkMaxPhi(2.0) | |
e4f2f73d | 41 | ,fkRoad0y(6.0) |
42 | ,fkRoad0z(8.5) | |
43 | ,fkRoad1y(2.0) | |
44 | ,fkRoad1z(20.0) | |
45 | ,fkRoad2y(3.0) | |
46 | ,fkRoad2z(20.0) | |
b06a50a5 | 47 | ,fkPtThreshold(2.0) |
e4f2f73d | 48 | ,fkPlaneQualityThreshold(5.0)// 4.2? under Investigation |
566bf887 | 49 | ,fkRoadzMultiplicator(1.5) |
e4f2f73d | 50 | ,fkFindable(.333) |
eb38ed55 | 51 | ,fkChi2Z(30./*14.*//*12.5*/) |
e4f2f73d | 52 | ,fkChi2Y(.25) |
5a2e200c | 53 | ,fkChi2YSlope(7.73) |
54 | ,fkChi2ZSlope(0.069) | |
8c499dbf | 55 | ,fkChi2YCut(0.5) |
5a2e200c | 56 | ,fkPhiSlope(10.6) |
8ae98148 | 57 | ,fkNMeanClusters(20.) |
58 | ,fkNSigmaClusters(2.) | |
59 | ,fkNClusterNoise(0.) | |
60 | ,fkNMeanTracklets(5.5) | |
e4f2f73d | 61 | ,fkTrackLikelihood(-15.) |
8c499dbf | 62 | ,fNumberOfConfigs(3) |
a2fbb6ec | 63 | ,fFlags(0) |
9dcc64cc | 64 | ,fRawStreamVersion("DEFAULT") |
df83a620 | 65 | ,fMinMaxCutSigma(4.) |
66 | ,fMinLeftRightCutSigma(8.) | |
fc546d21 | 67 | ,fClusMaxThresh(4.5) |
68 | ,fClusSigThresh(3.5) | |
56b32fd7 | 69 | ,fTCnexp(1) |
8c499dbf | 70 | ,fRecEveryNTB(1) |
4e459a9d | 71 | ,fNumberOfPresamples(0) |
72 | ,fNumberOfPostsamples(0) | |
e4f2f73d | 73 | { |
74 | // | |
75 | // Default constructor | |
76 | // | |
d937ad7a | 77 | fSysCovMatrix[0] = 0.; // y direction (1 cm) |
78 | fSysCovMatrix[1] = 0.; // z direction (1 cm) | |
3afdab72 | 79 | fSysCovMatrix[2] = 0.; // snp |
80 | fSysCovMatrix[3] = 0.; // tgl | |
81 | fSysCovMatrix[4] = 0.; // 1/pt | |
22a4ab0c | 82 | |
a2fbb6ec | 83 | // Xe tail cancellation parameters |
84 | fTCParams[0] = 1.156; // r1 | |
85 | fTCParams[1] = 0.130; // r2 | |
86 | fTCParams[2] = 0.114; // c1 | |
87 | fTCParams[3] = 0.624; // c2 | |
88 | // Ar tail cancellation parameters | |
89 | fTCParams[4] = 6.; // r1 | |
90 | fTCParams[5] = 0.62; // r2 | |
91 | fTCParams[6] = 0.0087;// c1 | |
92 | fTCParams[7] = 0.07; // c2 | |
93 | ||
22a4ab0c | 94 | memset(fPIDThreshold, 0, AliTRDCalPID::kNMom*sizeof(Double_t)); |
a2fbb6ec | 95 | memset(fStreamLevel, 0, kTRDreconstructionTasks * sizeof(Int_t)); |
96 | ||
9dcc64cc | 97 | SetPIDmethod(AliTRDPIDResponse::kLQ1D); |
a2fbb6ec | 98 | SetEightSlices(); |
99 | SetImproveTracklets(); | |
100 | SetLUT(); | |
101 | SetTailCancelation(); | |
e4f2f73d | 102 | } |
103 | ||
a7ac01d2 | 104 | //______________________________________________________________ |
105 | AliTRDrecoParam::AliTRDrecoParam(const AliTRDrecoParam &ref) | |
106 | :AliDetectorRecoParam(ref) | |
8ae98148 | 107 | ,fkdNchdy(ref.fkdNchdy) |
a7ac01d2 | 108 | ,fkMaxTheta(ref.fkMaxTheta) |
109 | ,fkMaxPhi(ref.fkMaxPhi) | |
110 | ,fkRoad0y(ref.fkRoad0y) | |
111 | ,fkRoad0z(ref.fkRoad0z) | |
112 | ,fkRoad1y(ref.fkRoad1y) | |
113 | ,fkRoad1z(ref.fkRoad1z) | |
114 | ,fkRoad2y(ref.fkRoad2y) | |
115 | ,fkRoad2z(ref.fkRoad2z) | |
b06a50a5 | 116 | ,fkPtThreshold(ref.fkPtThreshold) |
a7ac01d2 | 117 | ,fkPlaneQualityThreshold(ref.fkPlaneQualityThreshold) |
566bf887 | 118 | ,fkRoadzMultiplicator(ref.fkRoadzMultiplicator) |
a7ac01d2 | 119 | ,fkFindable(ref.fkFindable) |
120 | ,fkChi2Z(ref.fkChi2Z) | |
121 | ,fkChi2Y(ref.fkChi2Y) | |
5a2e200c | 122 | ,fkChi2YSlope(ref.fkChi2YSlope) |
123 | ,fkChi2ZSlope(ref.fkChi2ZSlope) | |
8c499dbf | 124 | ,fkChi2YCut(ref.fkChi2YCut) |
5a2e200c | 125 | ,fkPhiSlope(ref.fkPhiSlope) |
8ae98148 | 126 | ,fkNMeanClusters(ref.fkNMeanClusters) |
127 | ,fkNSigmaClusters(ref.fkNSigmaClusters) | |
128 | ,fkNClusterNoise(ref.fkNClusterNoise) | |
129 | ,fkNMeanTracklets(ref.fkNMeanTracklets) | |
a7ac01d2 | 130 | ,fkTrackLikelihood(ref.fkTrackLikelihood) |
8c499dbf | 131 | ,fNumberOfConfigs(ref.fNumberOfConfigs) |
a2fbb6ec | 132 | ,fFlags(ref.fFlags) |
133 | ,fRawStreamVersion(ref.fRawStreamVersion) | |
a7ac01d2 | 134 | ,fMinMaxCutSigma(ref.fMinMaxCutSigma) |
135 | ,fMinLeftRightCutSigma(ref.fMinLeftRightCutSigma) | |
136 | ,fClusMaxThresh(ref.fClusMaxThresh) | |
137 | ,fClusSigThresh(ref.fClusSigThresh) | |
138 | ,fTCnexp(ref.fTCnexp) | |
8c499dbf | 139 | ,fRecEveryNTB(ref.fRecEveryNTB) |
4e459a9d | 140 | ,fNumberOfPresamples(ref.fNumberOfPresamples) |
141 | ,fNumberOfPostsamples(ref.fNumberOfPostsamples) | |
a7ac01d2 | 142 | { |
143 | // | |
144 | // Copy constructor | |
145 | // | |
a7ac01d2 | 146 | memcpy(fSysCovMatrix, ref.fSysCovMatrix, 5*sizeof(Double_t)); |
a2fbb6ec | 147 | memcpy(fTCParams, ref.fTCParams, 8*sizeof(Double_t)); |
22a4ab0c | 148 | memcpy(fPIDThreshold, ref.fPIDThreshold, AliTRDCalPID::kNMom*sizeof(Double_t)); |
a2fbb6ec | 149 | memcpy(fStreamLevel, ref.fStreamLevel, kTRDreconstructionTasks * sizeof(Int_t)); |
a7ac01d2 | 150 | } |
151 | ||
e4f2f73d | 152 | //______________________________________________________________ |
153 | AliTRDrecoParam *AliTRDrecoParam::GetLowFluxParam() | |
154 | { | |
155 | // | |
156 | // Parameters for the low flux environment | |
157 | // | |
158 | ||
8ae98148 | 159 | AliTRDrecoParam *rec = new AliTRDrecoParam(); |
160 | rec->fkdNchdy = 12.; // pp in TRD | |
a2fbb6ec | 161 | rec->SetVertexConstrained(); |
828c6f80 | 162 | rec->SetCheckTimeConsistency(); |
8ae98148 | 163 | return rec; |
e4f2f73d | 164 | |
165 | } | |
166 | ||
8c499dbf | 167 | //______________________________________________________________ |
168 | AliTRDrecoParam *AliTRDrecoParam::GetLowFluxHLTParam() | |
169 | { | |
170 | // | |
171 | // Parameters for the high flux environment in HLT | |
172 | // | |
173 | ||
174 | AliTRDrecoParam *rec = GetLowFluxParam(); | |
82ddb093 | 175 | rec->fNumberOfConfigs = 2; |
8c499dbf | 176 | return rec; |
177 | ||
178 | } | |
179 | ||
e4f2f73d | 180 | //______________________________________________________________ |
181 | AliTRDrecoParam *AliTRDrecoParam::GetHighFluxParam() | |
182 | { | |
183 | // | |
184 | // Parameters for the high flux environment | |
185 | // | |
186 | ||
fb872574 | 187 | AliTRDrecoParam *rec = new AliTRDrecoParam(); |
8ae98148 | 188 | rec->fkdNchdy = 4000.; // PbPb in TRD |
a2fbb6ec | 189 | rec->SetVertexConstrained(); |
828c6f80 | 190 | rec->SetCheckTimeConsistency(); |
fb872574 | 191 | return rec; |
e4f2f73d | 192 | |
193 | } | |
9716329b | 194 | |
8c499dbf | 195 | //______________________________________________________________ |
196 | AliTRDrecoParam *AliTRDrecoParam::GetHighFluxHLTParam() | |
197 | { | |
198 | // | |
199 | // Parameters for the high flux environment in HLT | |
200 | // | |
201 | ||
202 | AliTRDrecoParam *rec = GetHighFluxParam(); | |
203 | rec->fNumberOfConfigs = 1; | |
8c499dbf | 204 | return rec; |
205 | ||
206 | } | |
207 | ||
9716329b | 208 | //______________________________________________________________ |
209 | AliTRDrecoParam *AliTRDrecoParam::GetCosmicTestParam() | |
210 | { | |
211 | // | |
212 | // Parameters for the cosmics data | |
213 | // | |
214 | ||
9716329b | 215 | AliTRDrecoParam *par = new AliTRDrecoParam(); |
6e39bde4 | 216 | par->fSysCovMatrix[0] = 2.; // y direction (1 cm) |
217 | par->fSysCovMatrix[1] = 2.; // z direction (1 cm) | |
b72f4eaf | 218 | par->fkChi2YSlope = 0.11853; |
219 | par->fkChi2ZSlope = 0.04527; | |
220 | par->fkChi2YCut = 1.; | |
6e39bde4 | 221 | par->fkPhiSlope = 10.; //3.17954; |
8ae98148 | 222 | par->fkMaxTheta = 2.1445; |
223 | par->fkMaxPhi = 2.7475; | |
5a2e200c | 224 | par->fkNMeanClusters = 12.89; |
225 | par->fkNSigmaClusters = 2.095; | |
566bf887 | 226 | par->fkRoadzMultiplicator = 3.; |
a2fbb6ec | 227 | par->fStreamLevel[kTracker] = 1; |
828c6f80 | 228 | par->SetCheckTimeConsistency(); |
9716329b | 229 | return par; |
230 | ||
231 | } | |
8ae98148 | 232 | |
233 | ||
234 | //______________________________________________________________ | |
235 | Float_t AliTRDrecoParam::GetNClusters() const | |
236 | { | |
237 | // Estimate the number of clusters in the TRD detector | |
238 | ||
239 | Float_t nclusters = (fkNMeanClusters + 2*fkNSigmaClusters)*fkNMeanTracklets*fkdNchdy; | |
240 | nclusters *= 1.+fkNClusterNoise; | |
241 | return nclusters; | |
242 | } | |
11d80e40 | 243 | |
244 | //______________________________________________________________ | |
245 | void AliTRDrecoParam::SetPIDLQslices(Int_t s) | |
246 | { | |
247 | // Setting number of slices used by the PID LQ method s={1, 2} | |
248 | // If PID NN is set this function will change to PID LQ. | |
249 | ||
250 | if(IsPIDNeuralNetwork()){ | |
251 | AliWarning("PID set to NN. Changing to LQ."); | |
252 | SetPIDNeuralNetwork(kFALSE); | |
253 | } | |
254 | ||
255 | switch(s){ | |
256 | case 1: | |
257 | if(TESTBIT(fFlags, kLQ2D)) CLRBIT(fFlags, kLQ2D); | |
258 | break; | |
259 | case 2: | |
260 | SETBIT(fFlags, kLQ2D); | |
261 | break; | |
262 | default: | |
263 | AliWarning(Form("N[%d] PID LQ slices not implemented. Using default 2.", s)); | |
264 | SETBIT(fFlags, kLQ2D); | |
265 | break; | |
266 | } | |
267 | } | |
268 |