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1 | /************************************************************************** |
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2 | * Copyright(c) 2007-2009, ALICE Experiment at CERN, All rights reserved. * |
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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 | |
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16 | #include "AliITSRecoParam.h" |
17 | |
18 | /* $Id$ */ |
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19 | |
20 | /////////////////////////////////////////////////////////////////////////////// |
21 | // // |
22 | // Class with ITS reconstruction parameters // |
23 | // Origin: andrea.dainese@lnl.infn.it // |
24 | // // |
25 | /////////////////////////////////////////////////////////////////////////////// |
26 | |
27 | |
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28 | |
29 | ClassImp(AliITSRecoParam) |
30 | |
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31 | const Int_t AliITSRecoParam::fgkLayersNotToSkip[AliITSgeomTGeo::kNLayers]={0,0,0,0,0,0}; |
32 | const Int_t AliITSRecoParam::fgkLastLayerToTrackTo=0; |
33 | const Int_t AliITSRecoParam::fgkMaxDetectorPerLayer=1000; |
34 | const Double_t AliITSRecoParam::fgkriw=80.0; |
35 | const Double_t AliITSRecoParam::fgkdiw=0.0053; |
36 | const Double_t AliITSRecoParam::fgkX0iw=30.0; |
37 | const Double_t AliITSRecoParam::fgkrcd=61.0; |
38 | const Double_t AliITSRecoParam::fgkdcd=0.0053; |
39 | const Double_t AliITSRecoParam::fgkX0cd=30.0; |
40 | const Double_t AliITSRecoParam::fgkyr=12.8; |
41 | const Double_t AliITSRecoParam::fgkdr=0.03; |
42 | const Double_t AliITSRecoParam::fgkzm=0.2; |
43 | const Double_t AliITSRecoParam::fgkdm=0.40; |
44 | const Double_t AliITSRecoParam::fgkrs=50.0; |
45 | const Double_t AliITSRecoParam::fgkds=0.001; |
46 | const Double_t AliITSRecoParam::fgkrInsideITSscreen=49.0; |
47 | const Double_t AliITSRecoParam::fgkrInsideSPD1=3.7; |
48 | const Double_t AliITSRecoParam::fgkrPipe=3.; |
49 | const Double_t AliITSRecoParam::fgkrInsidePipe=2.7; |
50 | const Double_t AliITSRecoParam::fgkrOutsidePipe=3.3; |
51 | const Double_t AliITSRecoParam::fgkdPipe=0.0028; |
52 | const Double_t AliITSRecoParam::fgkrInsideShield[2]={7.5,25.0}; |
53 | const Double_t AliITSRecoParam::fgkrOutsideShield[2]={10.5,30.0}; |
54 | const Double_t AliITSRecoParam::fgkdshield[2]={0.0097,0.0034}; |
55 | const Double_t AliITSRecoParam::fgkX0shield[2]={38.6,42.0}; |
56 | const Double_t AliITSRecoParam::fgkX0Air=21.82; |
57 | const Double_t AliITSRecoParam::fgkX0Be=65.19; |
58 | const Double_t AliITSRecoParam::fgkBoundaryWidth=0.2; |
59 | const Double_t AliITSRecoParam::fgkDeltaXNeighbDets=0.5; |
60 | const Double_t AliITSRecoParam::fgkSPDdetzlength=6.960; // 7.072-2*0.056 |
61 | const Double_t AliITSRecoParam::fgkSPDdetxlength=1.298; // 1.410-2*0.056 |
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62 | |
63 | //_____________________________________________________________________________ |
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64 | AliITSRecoParam::AliITSRecoParam() : AliDetectorRecoParam(), |
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65 | fMaxSnp(1.), |
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66 | fNSigmaYLayerForRoadY(0), |
67 | fNSigmaRoadY(0), |
68 | fNSigmaZLayerForRoadZ(0), |
69 | fNSigmaRoadZ(0), |
70 | fNSigma2RoadZC(0), |
71 | fNSigma2RoadYC(0), |
72 | fNSigma2RoadZNonC(0), |
73 | fNSigma2RoadYNonC(0), |
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74 | fRoadMisal(0), |
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75 | fMaxNormChi2NonCForHypothesis(0), |
76 | fMaxChi2(0), |
77 | fMaxRoad(0), |
78 | fMaxChi2In(0), |
79 | fChi2PerCluster(0), |
80 | fXV(0), |
81 | fYV(0), |
82 | fZV(0), |
83 | fSigmaXV(0), |
84 | fSigmaYV(0), |
85 | fSigmaZV(0), |
86 | fVertexCut(0), |
87 | fMaxDZforPrimTrk(0), |
88 | fMaxDZToUseConstraint(0), |
89 | fMaxDforV0dghtrForProlongation(0), |
90 | fMaxDForProlongation(0), |
91 | fMaxDZForProlongation(0), |
92 | fMinPtForProlongation(0), |
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93 | fAddVirtualClustersInDeadZone(kFALSE), |
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94 | fZWindowDeadZone(0), |
95 | fSigmaXDeadZoneHit2(0), |
96 | fSigmaZDeadZoneHit2(0), |
97 | fXPassDeadZoneHits(0), |
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98 | fUseTGeoInTracker(3), |
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99 | fAllowSharedClusters(kTRUE), |
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100 | fClusterErrorsParam(1), |
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101 | fClusterMisalError(0.0), |
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102 | fComputePlaneEff(kFALSE), |
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103 | fHistoPlaneEff(kFALSE), |
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104 | fReadPlaneEffFromOCDB(kFALSE), |
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105 | fExtendedEtaAcceptance(kFALSE), |
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106 | fUseBadZonesFromOCDB(kFALSE), |
107 | fUseSingleBadChannelsFromOCDB(kFALSE), |
108 | fMinFractionOfBadInRoad(0), |
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109 | fAllowProlongationWithEmptyRoad(kFALSE), |
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110 | fFactorSAWindowSizes(1.), |
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111 | fNLoopsSA(33), |
112 | fMinPhiSA(0.002), |
113 | fMaxPhiSA(0.0145), |
114 | fMinLambdaSA(0.003), |
115 | fMaxLambdaSA(0.008), |
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116 | fSAOnePointTracks(kFALSE), |
117 | fSAUseAllClusters(kFALSE), |
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118 | fFindV0s(kTRUE), |
119 | fUseUnfoldingInClusterFinderSPD(kFALSE), |
120 | fUseUnfoldingInClusterFinderSDD(kTRUE), |
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121 | fUseUnfoldingInClusterFinderSSD(kTRUE), |
122 | fUseChargeMatchingInClusterFinderSSD(kTRUE) |
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123 | { |
124 | // |
125 | // constructor |
126 | // |
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127 | SetName("ITS"); |
128 | SetTitle("ITS"); |
129 | |
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130 | SetLayersParameters(); |
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131 | for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) fLayersToSkip[i]=0; |
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132 | SetUseTGeoInTracker(3); |
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133 | SetAllowSharedClusters(kTRUE); |
134 | SetFindV0s(kTRUE); |
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135 | SetAddVirtualClustersInDeadZone(kFALSE); |
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136 | SetUseAmplitudeInfo(kTRUE); |
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137 | SetClusterErrorsParam(1); |
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138 | } |
139 | //_____________________________________________________________________________ |
140 | AliITSRecoParam::~AliITSRecoParam() |
141 | { |
142 | // |
143 | // destructor |
144 | // |
145 | } |
146 | //_____________________________________________________________________________ |
147 | AliITSRecoParam *AliITSRecoParam::GetHighFluxParam() |
148 | { |
149 | // |
150 | // make default reconstruction parameters for hig flux env. |
151 | // |
152 | AliITSRecoParam *param = new AliITSRecoParam(); |
153 | |
154 | param->fMaxSnp = 0.95; |
155 | |
156 | param->fNSigmaYLayerForRoadY = 4.; |
157 | param->fNSigmaRoadY = 7.5; |
158 | param->fNSigmaZLayerForRoadZ = 4.; |
159 | param->fNSigmaRoadZ = 7.5; |
160 | |
161 | param->fNSigma2RoadZC = 60.; //7.75^2 |
162 | param->fNSigma2RoadYC = 60.; //7.75^2 |
163 | param->fNSigma2RoadZNonC = 50.; //7.07^2 |
164 | param->fNSigma2RoadYNonC = 50.; //7.07^2 |
165 | |
166 | param->fMaxChi2PerCluster[0] = 11.; //7 |
167 | param->fMaxChi2PerCluster[1] = 12.; //5 |
168 | param->fMaxChi2PerCluster[2] = 12.; //8 |
169 | param->fMaxChi2PerCluster[3] = 5.; //8 |
170 | param->fMaxChi2PerCluster[4] = 12.; //6.5 |
171 | |
172 | param->fMaxNormChi2NonC[0] = 7.; |
173 | param->fMaxNormChi2NonC[1] = 8.; |
174 | param->fMaxNormChi2NonC[2] = 8.; |
175 | param->fMaxNormChi2NonC[3] = 11.; |
176 | param->fMaxNormChi2NonC[4] = 14.; |
177 | param->fMaxNormChi2NonC[5] = 25.; |
178 | |
179 | param->fMaxNormChi2C[0] = 11.; |
180 | param->fMaxNormChi2C[1] = 13.; |
181 | param->fMaxNormChi2C[2] = 15.; |
182 | param->fMaxNormChi2C[3] = 18.; |
183 | param->fMaxNormChi2C[4] = 30.; |
184 | param->fMaxNormChi2C[5] = 35.; |
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185 | |
186 | param->fMaxNormChi2NonCForHypothesis = 7.; |
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187 | |
188 | param->fMaxChi2 = 35.; |
189 | |
190 | param->fMaxChi2s[0] = 25.; //40 |
191 | param->fMaxChi2s[1] = 25.; //40 |
192 | param->fMaxChi2s[2] = 25.; //40 |
193 | param->fMaxChi2s[3] = 25.; //40 |
194 | param->fMaxChi2s[4] = 40.; //40 |
195 | param->fMaxChi2s[5] = 50.; //40 |
196 | |
197 | param->fMaxRoad = 6.; |
198 | |
199 | // not used |
200 | param->fMaxChi2In = 16.; |
201 | |
202 | param->fMaxChi2sR[0] = 10.; |
203 | param->fMaxChi2sR[1] = 10.; |
204 | param->fMaxChi2sR[2] = 10.; |
205 | param->fMaxChi2sR[3] = 10.; |
206 | param->fMaxChi2sR[4] = 30.; |
207 | param->fMaxChi2sR[5] = 40.; |
208 | |
209 | param->fChi2PerCluster = 9.; |
210 | // not used |
211 | |
212 | param->fXV = 0.; |
213 | param->fYV = 0.; |
214 | param->fZV = 0.; |
215 | param->fSigmaXV = 0.0050; |
216 | param->fSigmaYV = 0.0050; |
217 | param->fSigmaZV = 0.0100; |
218 | |
219 | param->fVertexCut = 25.; |
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220 | |
221 | param->fMaxDZforPrimTrk = 0.4; |
222 | param->fMaxDZToUseConstraint = 3.; |
223 | |
224 | param->fMaxDforV0dghtrForProlongation = 30.; |
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225 | param->fMaxDForProlongation = 40.;//10.; |
226 | param->fMaxDZForProlongation = 60.;//20.; |
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227 | param->fMinPtForProlongation = 0.120; |
228 | |
229 | param->fZWindowDeadZone = 2.0; |
230 | param->fSigmaXDeadZoneHit2 = 0.004/12.; |
231 | param->fSigmaZDeadZoneHit2 = 0.001/12.; |
232 | param->fXPassDeadZoneHits = 0.018; |
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233 | |
234 | return param; |
235 | } |
236 | //_____________________________________________________________________________ |
237 | AliITSRecoParam *AliITSRecoParam::GetLowFluxParam() |
238 | { |
239 | // |
240 | // make default reconstruction parameters for low flux env. |
241 | // |
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242 | AliITSRecoParam *param = new AliITSRecoParam(); |
243 | |
244 | param->fMaxSnp = 0.95; |
245 | |
246 | param->fNSigmaYLayerForRoadY = 4.; |
247 | param->fNSigmaRoadY = 7.5; |
248 | param->fNSigmaZLayerForRoadZ = 4.; |
249 | param->fNSigmaRoadZ = 7.5; |
250 | |
251 | param->fNSigma2RoadZC = 60.; //7.75^2 |
252 | param->fNSigma2RoadYC = 60.; //7.75^2 |
253 | param->fNSigma2RoadZNonC = 50.; //7.07^2 |
254 | param->fNSigma2RoadYNonC = 50.; //7.07^2 |
255 | |
256 | param->fMaxChi2PerCluster[0] = 11.; //7 |
257 | param->fMaxChi2PerCluster[1] = 12.; //5 |
258 | param->fMaxChi2PerCluster[2] = 12.; //8 |
259 | param->fMaxChi2PerCluster[3] = 5.; //8 |
260 | param->fMaxChi2PerCluster[4] = 12.; //6.5 |
261 | |
262 | param->fMaxNormChi2NonC[0] = 7.; |
263 | param->fMaxNormChi2NonC[1] = 8.; |
264 | param->fMaxNormChi2NonC[2] = 8.; |
265 | param->fMaxNormChi2NonC[3] = 11.; |
266 | param->fMaxNormChi2NonC[4] = 14.; |
267 | param->fMaxNormChi2NonC[5] = 25.; |
268 | |
269 | param->fMaxNormChi2C[0] = 11.; |
270 | param->fMaxNormChi2C[1] = 13.; |
271 | param->fMaxNormChi2C[2] = 15.; |
272 | param->fMaxNormChi2C[3] = 18.; |
273 | param->fMaxNormChi2C[4] = 30.; |
274 | param->fMaxNormChi2C[5] = 35.; |
275 | |
276 | param->fMaxNormChi2NonCForHypothesis = 7.; |
277 | |
278 | param->fMaxChi2 = 35.; |
279 | |
280 | param->fMaxChi2s[0] = 25.; //40 |
281 | param->fMaxChi2s[1] = 25.; //40 |
282 | param->fMaxChi2s[2] = 25.; //40 |
283 | param->fMaxChi2s[3] = 25.; //40 |
284 | param->fMaxChi2s[4] = 40.; //40 |
285 | param->fMaxChi2s[5] = 50.; //40 |
286 | |
287 | param->fMaxRoad = 6.; |
288 | |
289 | // not used |
290 | param->fMaxChi2In = 16.; |
291 | |
292 | param->fMaxChi2sR[0] = 10.; |
293 | param->fMaxChi2sR[1] = 10.; |
294 | param->fMaxChi2sR[2] = 10.; |
295 | param->fMaxChi2sR[3] = 10.; |
296 | param->fMaxChi2sR[4] = 30.; |
297 | param->fMaxChi2sR[5] = 40.; |
298 | |
299 | param->fChi2PerCluster = 9.; |
300 | // not used |
301 | |
302 | param->fXV = 0.; |
303 | param->fYV = 0.; |
304 | param->fZV = 0.; |
305 | param->fSigmaXV = 0.0050; |
306 | param->fSigmaYV = 0.0050; |
307 | param->fSigmaZV = 0.0100; |
308 | |
309 | param->fVertexCut = 25.; |
310 | |
311 | param->fMaxDZforPrimTrk = 0.4; |
312 | param->fMaxDZToUseConstraint = 3.; |
313 | |
314 | param->fMaxDforV0dghtrForProlongation = 30.; |
315 | param->fMaxDForProlongation = 40.;//10.; |
316 | param->fMaxDZForProlongation = 60.;//20.; |
317 | param->fMinPtForProlongation = 0.120; |
318 | |
319 | param->fZWindowDeadZone = 2.0; |
320 | param->fSigmaXDeadZoneHit2 = 0.004/12.; |
321 | param->fSigmaZDeadZoneHit2 = 0.001/12.; |
322 | param->fXPassDeadZoneHits = 0.018; |
323 | param->SetNLoopsSA(10); |
324 | |
325 | return param; |
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326 | } |
327 | //_____________________________________________________________________________ |
328 | AliITSRecoParam *AliITSRecoParam::GetCosmicTestParam() |
329 | { |
330 | // |
331 | // make default reconstruction parameters for cosmics |
332 | // |
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333 | AliITSRecoParam *param = new AliITSRecoParam(); |
334 | |
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335 | // larger seach windows for SA (in case of large misalignments) |
336 | param->SetFactorSAWindowSizes(3.); |
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337 | |
338 | param->fMaxSnp = 0.95; |
339 | |
340 | param->fNSigmaYLayerForRoadY = 4.; |
341 | param->fNSigmaRoadY = 7.5; |
342 | param->fNSigmaZLayerForRoadZ = 4.; |
343 | param->fNSigmaRoadZ = 7.5; |
344 | |
345 | param->fNSigma2RoadZC = 60.; //7.75^2 |
346 | param->fNSigma2RoadYC = 60.; //7.75^2 |
347 | param->fNSigma2RoadZNonC = 50.; //7.07^2 |
348 | param->fNSigma2RoadYNonC = 50.; //7.07^2 |
349 | |
350 | param->fMaxChi2PerCluster[0] = 11.; //7 |
351 | param->fMaxChi2PerCluster[1] = 12.; //5 |
352 | param->fMaxChi2PerCluster[2] = 12.; //8 |
353 | param->fMaxChi2PerCluster[3] = 5.; //8 |
354 | param->fMaxChi2PerCluster[4] = 12.; //6.5 |
355 | |
356 | param->fMaxNormChi2NonC[0] = 7.; |
357 | param->fMaxNormChi2NonC[1] = 8.; |
358 | param->fMaxNormChi2NonC[2] = 8.; |
359 | param->fMaxNormChi2NonC[3] = 11.; |
360 | param->fMaxNormChi2NonC[4] = 14.; |
361 | param->fMaxNormChi2NonC[5] = 25.; |
362 | |
363 | param->fMaxNormChi2C[0] = 11.; |
364 | param->fMaxNormChi2C[1] = 13.; |
365 | param->fMaxNormChi2C[2] = 15.; |
366 | param->fMaxNormChi2C[3] = 18.; |
367 | param->fMaxNormChi2C[4] = 30.; |
368 | param->fMaxNormChi2C[5] = 35.; |
369 | |
370 | param->fMaxNormChi2NonCForHypothesis = 7.; |
371 | |
372 | param->fMaxChi2 = 35.; |
373 | |
374 | param->fMaxChi2s[0] = 25.; //40 |
375 | param->fMaxChi2s[1] = 25.; //40 |
376 | param->fMaxChi2s[2] = 25.; //40 |
377 | param->fMaxChi2s[3] = 25.; //40 |
378 | param->fMaxChi2s[4] = 40.; //40 |
379 | param->fMaxChi2s[5] = 50.; //40 |
380 | |
381 | param->fMaxRoad = 6.; |
382 | |
383 | // not used |
384 | param->fMaxChi2In = 16.; |
385 | |
386 | param->fMaxChi2sR[0] = 10.; |
387 | param->fMaxChi2sR[1] = 10.; |
388 | param->fMaxChi2sR[2] = 10.; |
389 | param->fMaxChi2sR[3] = 10.; |
390 | param->fMaxChi2sR[4] = 30.; |
391 | param->fMaxChi2sR[5] = 40.; |
392 | |
393 | param->fChi2PerCluster = 9.; |
394 | // not used |
395 | |
396 | param->fXV = 0.; |
397 | param->fYV = 0.; |
398 | param->fZV = 0.; |
399 | param->fSigmaXV = 0.0050; |
400 | param->fSigmaYV = 0.0050; |
401 | param->fSigmaZV = 0.0100; |
402 | |
403 | param->fVertexCut = 25.; |
404 | |
405 | param->fMaxDZforPrimTrk = 0.4; |
406 | param->fMaxDZToUseConstraint = 3.; |
407 | |
408 | param->fMaxDforV0dghtrForProlongation = 30.; |
409 | param->fMaxDForProlongation = 10.; |
410 | param->fMaxDZForProlongation = 20.; |
411 | param->fMinPtForProlongation = 0.120; |
412 | |
413 | param->fZWindowDeadZone = 2.0; |
414 | param->fSigmaXDeadZoneHit2 = 0.004/12.; |
415 | param->fSigmaZDeadZoneHit2 = 0.001/12.; |
416 | param->fXPassDeadZoneHits = 0.018; |
417 | |
418 | |
419 | return param; |
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420 | } |
421 | //_____________________________________________________________________________ |
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422 | AliITSRecoParam *AliITSRecoParam::GetPlaneEffParam(Int_t i) |
423 | { |
424 | // |
425 | // make special reconstruction parameters for Plane Efficiency study on layer i |
426 | // |
427 | AliITSRecoParam *param; |
428 | param = GetHighFluxParam(); |
429 | param->SetComputePlaneEff(); |
430 | param->SetLayerToSkip(i); |
431 | return param; |
432 | } |
433 | //_____________________________________________________________________________ |
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434 | void AliITSRecoParam::SetLayersParameters() |
435 | { |
436 | // |
437 | // number of layers and layers spatial resolutions |
438 | // |
439 | |
440 | // spatial resolutions of the detectors |
441 | // y: 12 12 38 38 20 20 micron |
442 | fSigmaY2[0]=1.44e-6; |
443 | fSigmaY2[1]=1.44e-6; |
444 | fSigmaY2[2]=1.444e-5; |
445 | fSigmaY2[3]=1.444e-5; |
446 | fSigmaY2[4]=4.0e-6; |
447 | fSigmaY2[5]=4.0e-6; |
448 | // z: 120 120 28 28 830 830 micron |
449 | fSigmaZ2[0]=1.44e-4; |
450 | fSigmaZ2[1]=1.44e-4; |
451 | fSigmaZ2[2]=7.84e-6; |
452 | fSigmaZ2[3]=7.84e-6; |
453 | fSigmaZ2[4]=6.889e-3; |
454 | fSigmaZ2[5]=6.889e-3; |
455 | |
456 | return; |
457 | } |
ed446fa3 |
458 | //_____________________________________________________________________________ |
459 | void AliITSRecoParam::PrintParameters() const |
460 | { |
461 | // |
462 | // print parameters |
463 | // |
464 | |
465 | printf("============================= AliITSRecoParam::PrintParameters "); |
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466 | printf("============================= \n \n"); |
ed446fa3 |
467 | for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) { |
468 | if(!fLayersToSkip[i]) { |
469 | printf("ITS Traking: using layer %d\n",i); |
470 | } else { |
471 | printf("ITS Traking: skipping layer %d\n",i); |
472 | } |
473 | } |
474 | for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) { |
475 | if(fUseAmplitudeInfo[i]) { |
476 | printf("ITS Traking: use amplitude info for layer %d\n",i); |
477 | } else { |
478 | printf("ITS Traking: don't use amplitude info for layer %d\n",i); |
479 | } |
480 | } |
481 | for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) |
482 | printf("Layer %d:\n sigmaY2 %f, sigma Z2 %f\n max norm chi2 for non constrained tracks %f\n max norm chi2 for constrained tracks %f\n max predicted chi2 (cluster & track prol.) %f\n",i,fSigmaY2[i],fSigmaZ2[i],fMaxNormChi2NonC[i],fMaxNormChi2C[i],fMaxChi2s[i]); |
483 | |
484 | |
485 | Dump(); |
486 | |
487 | return; |
488 | } |