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44347160 | 1 | /************************************************************************** |
572f41f9 | 2 | * Copyright(c) 2007-2009, ALICE Experiment at CERN, All rights reserved. * |
44347160 | 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 | ||
572f41f9 | 16 | #include "AliITSRecoParam.h" |
17 | ||
18 | /* $Id$ */ | |
44347160 | 19 | |
20 | /////////////////////////////////////////////////////////////////////////////// | |
21 | // // | |
22 | // Class with ITS reconstruction parameters // | |
23 | // Origin: andrea.dainese@lnl.infn.it // | |
24 | // // | |
25 | /////////////////////////////////////////////////////////////////////////////// | |
26 | ||
27 | ||
44347160 | 28 | |
29 | ClassImp(AliITSRecoParam) | |
30 | ||
e50912db | 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 | |
44347160 | 62 | |
63 | //_____________________________________________________________________________ | |
6518a6c5 | 64 | AliITSRecoParam::AliITSRecoParam() : AliDetectorRecoParam(), |
e50912db | 65 | fMaxSnp(1.), |
572f41f9 | 66 | fNSigmaYLayerForRoadY(0), |
67 | fNSigmaRoadY(0), | |
68 | fNSigmaZLayerForRoadZ(0), | |
69 | fNSigmaRoadZ(0), | |
70 | fNSigma2RoadZC(0), | |
71 | fNSigma2RoadYC(0), | |
72 | fNSigma2RoadZNonC(0), | |
73 | fNSigma2RoadYNonC(0), | |
74 | fMaxNormChi2NonCForHypothesis(0), | |
75 | fMaxChi2(0), | |
76 | fMaxRoad(0), | |
77 | fMaxChi2In(0), | |
78 | fChi2PerCluster(0), | |
79 | fXV(0), | |
80 | fYV(0), | |
81 | fZV(0), | |
82 | fSigmaXV(0), | |
83 | fSigmaYV(0), | |
84 | fSigmaZV(0), | |
85 | fVertexCut(0), | |
86 | fMaxDZforPrimTrk(0), | |
87 | fMaxDZToUseConstraint(0), | |
88 | fMaxDforV0dghtrForProlongation(0), | |
89 | fMaxDForProlongation(0), | |
90 | fMaxDZForProlongation(0), | |
91 | fMinPtForProlongation(0), | |
6518a6c5 | 92 | fAddVirtualClustersInDeadZone(kFALSE), |
572f41f9 | 93 | fZWindowDeadZone(0), |
94 | fSigmaXDeadZoneHit2(0), | |
95 | fSigmaZDeadZoneHit2(0), | |
96 | fXPassDeadZoneHits(0), | |
6518a6c5 | 97 | fUseTGeoInTracker(3), |
572f41f9 | 98 | fAllowSharedClusters(kTRUE), |
e50912db | 99 | fClusterErrorsParam(1), |
4a66240a | 100 | fComputePlaneEff(kFALSE), |
5fbd4fd6 | 101 | fHistoPlaneEff(kFALSE), |
2755f080 | 102 | fExtendedEtaAcceptance(kFALSE), |
6518a6c5 | 103 | fUseDeadZonesFromOCDB(kFALSE), |
ae00569a | 104 | fAllowProlongationWithEmptyRoad(kFALSE), |
2755f080 | 105 | fFactorSAWindowSizes(1.), |
c7d6d7b7 | 106 | fNLoopsSA(33), |
107 | fMinPhiSA(0.002), | |
108 | fMaxPhiSA(0.0145), | |
109 | fMinLambdaSA(0.003), | |
110 | fMaxLambdaSA(0.008), | |
5a03f353 | 111 | fSAOnePointTracks(kFALSE), |
112 | fSAUseAllClusters(kFALSE), | |
6518a6c5 | 113 | fFindV0s(kTRUE), |
114 | fUseUnfoldingInClusterFinderSPD(kFALSE), | |
115 | fUseUnfoldingInClusterFinderSDD(kTRUE), | |
116 | fUseUnfoldingInClusterFinderSSD(kTRUE) | |
44347160 | 117 | { |
118 | // | |
119 | // constructor | |
120 | // | |
6518a6c5 | 121 | SetName("ITS"); |
122 | SetTitle("ITS"); | |
123 | ||
44347160 | 124 | SetLayersParameters(); |
2755f080 | 125 | for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) fLayersToSkip[i]=0; |
6518a6c5 | 126 | SetUseTGeoInTracker(3); |
afd25725 | 127 | SetAllowSharedClusters(kTRUE); |
128 | SetFindV0s(kTRUE); | |
6518a6c5 | 129 | SetAddVirtualClustersInDeadZone(kFALSE); |
572f41f9 | 130 | SetUseAmplitudeInfo(kTRUE); |
e50912db | 131 | SetClusterErrorsParam(1); |
44347160 | 132 | } |
133 | //_____________________________________________________________________________ | |
134 | AliITSRecoParam::~AliITSRecoParam() | |
135 | { | |
136 | // | |
137 | // destructor | |
138 | // | |
139 | } | |
140 | //_____________________________________________________________________________ | |
141 | AliITSRecoParam *AliITSRecoParam::GetHighFluxParam() | |
142 | { | |
143 | // | |
144 | // make default reconstruction parameters for hig flux env. | |
145 | // | |
146 | AliITSRecoParam *param = new AliITSRecoParam(); | |
147 | ||
148 | param->fMaxSnp = 0.95; | |
149 | ||
150 | param->fNSigmaYLayerForRoadY = 4.; | |
151 | param->fNSigmaRoadY = 7.5; | |
152 | param->fNSigmaZLayerForRoadZ = 4.; | |
153 | param->fNSigmaRoadZ = 7.5; | |
154 | ||
155 | param->fNSigma2RoadZC = 60.; //7.75^2 | |
156 | param->fNSigma2RoadYC = 60.; //7.75^2 | |
157 | param->fNSigma2RoadZNonC = 50.; //7.07^2 | |
158 | param->fNSigma2RoadYNonC = 50.; //7.07^2 | |
159 | ||
160 | param->fMaxChi2PerCluster[0] = 11.; //7 | |
161 | param->fMaxChi2PerCluster[1] = 12.; //5 | |
162 | param->fMaxChi2PerCluster[2] = 12.; //8 | |
163 | param->fMaxChi2PerCluster[3] = 5.; //8 | |
164 | param->fMaxChi2PerCluster[4] = 12.; //6.5 | |
165 | ||
166 | param->fMaxNormChi2NonC[0] = 7.; | |
167 | param->fMaxNormChi2NonC[1] = 8.; | |
168 | param->fMaxNormChi2NonC[2] = 8.; | |
169 | param->fMaxNormChi2NonC[3] = 11.; | |
170 | param->fMaxNormChi2NonC[4] = 14.; | |
171 | param->fMaxNormChi2NonC[5] = 25.; | |
172 | ||
173 | param->fMaxNormChi2C[0] = 11.; | |
174 | param->fMaxNormChi2C[1] = 13.; | |
175 | param->fMaxNormChi2C[2] = 15.; | |
176 | param->fMaxNormChi2C[3] = 18.; | |
177 | param->fMaxNormChi2C[4] = 30.; | |
178 | param->fMaxNormChi2C[5] = 35.; | |
afd25725 | 179 | |
180 | param->fMaxNormChi2NonCForHypothesis = 7.; | |
44347160 | 181 | |
182 | param->fMaxChi2 = 35.; | |
183 | ||
184 | param->fMaxChi2s[0] = 25.; //40 | |
185 | param->fMaxChi2s[1] = 25.; //40 | |
186 | param->fMaxChi2s[2] = 25.; //40 | |
187 | param->fMaxChi2s[3] = 25.; //40 | |
188 | param->fMaxChi2s[4] = 40.; //40 | |
189 | param->fMaxChi2s[5] = 50.; //40 | |
190 | ||
191 | param->fMaxRoad = 6.; | |
192 | ||
193 | // not used | |
194 | param->fMaxChi2In = 16.; | |
195 | ||
196 | param->fMaxChi2sR[0] = 10.; | |
197 | param->fMaxChi2sR[1] = 10.; | |
198 | param->fMaxChi2sR[2] = 10.; | |
199 | param->fMaxChi2sR[3] = 10.; | |
200 | param->fMaxChi2sR[4] = 30.; | |
201 | param->fMaxChi2sR[5] = 40.; | |
202 | ||
203 | param->fChi2PerCluster = 9.; | |
204 | // not used | |
205 | ||
206 | param->fXV = 0.; | |
207 | param->fYV = 0.; | |
208 | param->fZV = 0.; | |
209 | param->fSigmaXV = 0.0050; | |
210 | param->fSigmaYV = 0.0050; | |
211 | param->fSigmaZV = 0.0100; | |
212 | ||
213 | param->fVertexCut = 25.; | |
afd25725 | 214 | |
215 | param->fMaxDZforPrimTrk = 0.4; | |
216 | param->fMaxDZToUseConstraint = 3.; | |
217 | ||
218 | param->fMaxDforV0dghtrForProlongation = 30.; | |
6518a6c5 | 219 | param->fMaxDForProlongation = 40.;//10.; |
220 | param->fMaxDZForProlongation = 60.;//20.; | |
afd25725 | 221 | param->fMinPtForProlongation = 0.120; |
222 | ||
223 | param->fZWindowDeadZone = 2.0; | |
224 | param->fSigmaXDeadZoneHit2 = 0.004/12.; | |
225 | param->fSigmaZDeadZoneHit2 = 0.001/12.; | |
226 | param->fXPassDeadZoneHits = 0.018; | |
44347160 | 227 | |
228 | return param; | |
229 | } | |
230 | //_____________________________________________________________________________ | |
231 | AliITSRecoParam *AliITSRecoParam::GetLowFluxParam() | |
232 | { | |
233 | // | |
234 | // make default reconstruction parameters for low flux env. | |
235 | // | |
c7d6d7b7 | 236 | AliITSRecoParam *param = new AliITSRecoParam(); |
237 | ||
238 | param->fMaxSnp = 0.95; | |
239 | ||
240 | param->fNSigmaYLayerForRoadY = 4.; | |
241 | param->fNSigmaRoadY = 7.5; | |
242 | param->fNSigmaZLayerForRoadZ = 4.; | |
243 | param->fNSigmaRoadZ = 7.5; | |
244 | ||
245 | param->fNSigma2RoadZC = 60.; //7.75^2 | |
246 | param->fNSigma2RoadYC = 60.; //7.75^2 | |
247 | param->fNSigma2RoadZNonC = 50.; //7.07^2 | |
248 | param->fNSigma2RoadYNonC = 50.; //7.07^2 | |
249 | ||
250 | param->fMaxChi2PerCluster[0] = 11.; //7 | |
251 | param->fMaxChi2PerCluster[1] = 12.; //5 | |
252 | param->fMaxChi2PerCluster[2] = 12.; //8 | |
253 | param->fMaxChi2PerCluster[3] = 5.; //8 | |
254 | param->fMaxChi2PerCluster[4] = 12.; //6.5 | |
255 | ||
256 | param->fMaxNormChi2NonC[0] = 7.; | |
257 | param->fMaxNormChi2NonC[1] = 8.; | |
258 | param->fMaxNormChi2NonC[2] = 8.; | |
259 | param->fMaxNormChi2NonC[3] = 11.; | |
260 | param->fMaxNormChi2NonC[4] = 14.; | |
261 | param->fMaxNormChi2NonC[5] = 25.; | |
262 | ||
263 | param->fMaxNormChi2C[0] = 11.; | |
264 | param->fMaxNormChi2C[1] = 13.; | |
265 | param->fMaxNormChi2C[2] = 15.; | |
266 | param->fMaxNormChi2C[3] = 18.; | |
267 | param->fMaxNormChi2C[4] = 30.; | |
268 | param->fMaxNormChi2C[5] = 35.; | |
269 | ||
270 | param->fMaxNormChi2NonCForHypothesis = 7.; | |
271 | ||
272 | param->fMaxChi2 = 35.; | |
273 | ||
274 | param->fMaxChi2s[0] = 25.; //40 | |
275 | param->fMaxChi2s[1] = 25.; //40 | |
276 | param->fMaxChi2s[2] = 25.; //40 | |
277 | param->fMaxChi2s[3] = 25.; //40 | |
278 | param->fMaxChi2s[4] = 40.; //40 | |
279 | param->fMaxChi2s[5] = 50.; //40 | |
280 | ||
281 | param->fMaxRoad = 6.; | |
282 | ||
283 | // not used | |
284 | param->fMaxChi2In = 16.; | |
285 | ||
286 | param->fMaxChi2sR[0] = 10.; | |
287 | param->fMaxChi2sR[1] = 10.; | |
288 | param->fMaxChi2sR[2] = 10.; | |
289 | param->fMaxChi2sR[3] = 10.; | |
290 | param->fMaxChi2sR[4] = 30.; | |
291 | param->fMaxChi2sR[5] = 40.; | |
292 | ||
293 | param->fChi2PerCluster = 9.; | |
294 | // not used | |
295 | ||
296 | param->fXV = 0.; | |
297 | param->fYV = 0.; | |
298 | param->fZV = 0.; | |
299 | param->fSigmaXV = 0.0050; | |
300 | param->fSigmaYV = 0.0050; | |
301 | param->fSigmaZV = 0.0100; | |
302 | ||
303 | param->fVertexCut = 25.; | |
304 | ||
305 | param->fMaxDZforPrimTrk = 0.4; | |
306 | param->fMaxDZToUseConstraint = 3.; | |
307 | ||
308 | param->fMaxDforV0dghtrForProlongation = 30.; | |
309 | param->fMaxDForProlongation = 40.;//10.; | |
310 | param->fMaxDZForProlongation = 60.;//20.; | |
311 | param->fMinPtForProlongation = 0.120; | |
312 | ||
313 | param->fZWindowDeadZone = 2.0; | |
314 | param->fSigmaXDeadZoneHit2 = 0.004/12.; | |
315 | param->fSigmaZDeadZoneHit2 = 0.001/12.; | |
316 | param->fXPassDeadZoneHits = 0.018; | |
317 | param->SetNLoopsSA(10); | |
318 | ||
319 | return param; | |
44347160 | 320 | } |
321 | //_____________________________________________________________________________ | |
322 | AliITSRecoParam *AliITSRecoParam::GetCosmicTestParam() | |
323 | { | |
324 | // | |
325 | // make default reconstruction parameters for cosmics | |
326 | // | |
e340bb86 | 327 | AliITSRecoParam *param = new AliITSRecoParam(); |
328 | ||
2755f080 | 329 | // larger seach windows for SA (in case of large misalignments) |
330 | param->SetFactorSAWindowSizes(3.); | |
e340bb86 | 331 | |
332 | param->fMaxSnp = 0.95; | |
333 | ||
334 | param->fNSigmaYLayerForRoadY = 4.; | |
335 | param->fNSigmaRoadY = 7.5; | |
336 | param->fNSigmaZLayerForRoadZ = 4.; | |
337 | param->fNSigmaRoadZ = 7.5; | |
338 | ||
339 | param->fNSigma2RoadZC = 60.; //7.75^2 | |
340 | param->fNSigma2RoadYC = 60.; //7.75^2 | |
341 | param->fNSigma2RoadZNonC = 50.; //7.07^2 | |
342 | param->fNSigma2RoadYNonC = 50.; //7.07^2 | |
343 | ||
344 | param->fMaxChi2PerCluster[0] = 11.; //7 | |
345 | param->fMaxChi2PerCluster[1] = 12.; //5 | |
346 | param->fMaxChi2PerCluster[2] = 12.; //8 | |
347 | param->fMaxChi2PerCluster[3] = 5.; //8 | |
348 | param->fMaxChi2PerCluster[4] = 12.; //6.5 | |
349 | ||
350 | param->fMaxNormChi2NonC[0] = 7.; | |
351 | param->fMaxNormChi2NonC[1] = 8.; | |
352 | param->fMaxNormChi2NonC[2] = 8.; | |
353 | param->fMaxNormChi2NonC[3] = 11.; | |
354 | param->fMaxNormChi2NonC[4] = 14.; | |
355 | param->fMaxNormChi2NonC[5] = 25.; | |
356 | ||
357 | param->fMaxNormChi2C[0] = 11.; | |
358 | param->fMaxNormChi2C[1] = 13.; | |
359 | param->fMaxNormChi2C[2] = 15.; | |
360 | param->fMaxNormChi2C[3] = 18.; | |
361 | param->fMaxNormChi2C[4] = 30.; | |
362 | param->fMaxNormChi2C[5] = 35.; | |
363 | ||
364 | param->fMaxNormChi2NonCForHypothesis = 7.; | |
365 | ||
366 | param->fMaxChi2 = 35.; | |
367 | ||
368 | param->fMaxChi2s[0] = 25.; //40 | |
369 | param->fMaxChi2s[1] = 25.; //40 | |
370 | param->fMaxChi2s[2] = 25.; //40 | |
371 | param->fMaxChi2s[3] = 25.; //40 | |
372 | param->fMaxChi2s[4] = 40.; //40 | |
373 | param->fMaxChi2s[5] = 50.; //40 | |
374 | ||
375 | param->fMaxRoad = 6.; | |
376 | ||
377 | // not used | |
378 | param->fMaxChi2In = 16.; | |
379 | ||
380 | param->fMaxChi2sR[0] = 10.; | |
381 | param->fMaxChi2sR[1] = 10.; | |
382 | param->fMaxChi2sR[2] = 10.; | |
383 | param->fMaxChi2sR[3] = 10.; | |
384 | param->fMaxChi2sR[4] = 30.; | |
385 | param->fMaxChi2sR[5] = 40.; | |
386 | ||
387 | param->fChi2PerCluster = 9.; | |
388 | // not used | |
389 | ||
390 | param->fXV = 0.; | |
391 | param->fYV = 0.; | |
392 | param->fZV = 0.; | |
393 | param->fSigmaXV = 0.0050; | |
394 | param->fSigmaYV = 0.0050; | |
395 | param->fSigmaZV = 0.0100; | |
396 | ||
397 | param->fVertexCut = 25.; | |
398 | ||
399 | param->fMaxDZforPrimTrk = 0.4; | |
400 | param->fMaxDZToUseConstraint = 3.; | |
401 | ||
402 | param->fMaxDforV0dghtrForProlongation = 30.; | |
403 | param->fMaxDForProlongation = 10.; | |
404 | param->fMaxDZForProlongation = 20.; | |
405 | param->fMinPtForProlongation = 0.120; | |
406 | ||
407 | param->fZWindowDeadZone = 2.0; | |
408 | param->fSigmaXDeadZoneHit2 = 0.004/12.; | |
409 | param->fSigmaZDeadZoneHit2 = 0.001/12.; | |
410 | param->fXPassDeadZoneHits = 0.018; | |
411 | ||
412 | ||
413 | return param; | |
44347160 | 414 | } |
415 | //_____________________________________________________________________________ | |
ae00569a | 416 | AliITSRecoParam *AliITSRecoParam::GetPlaneEffParam(Int_t i) |
417 | { | |
418 | // | |
419 | // make special reconstruction parameters for Plane Efficiency study on layer i | |
420 | // | |
421 | AliITSRecoParam *param; | |
422 | param = GetHighFluxParam(); | |
423 | param->SetComputePlaneEff(); | |
424 | param->SetLayerToSkip(i); | |
425 | return param; | |
426 | } | |
427 | //_____________________________________________________________________________ | |
44347160 | 428 | void AliITSRecoParam::SetLayersParameters() |
429 | { | |
430 | // | |
431 | // number of layers and layers spatial resolutions | |
432 | // | |
433 | ||
434 | // spatial resolutions of the detectors | |
435 | // y: 12 12 38 38 20 20 micron | |
436 | fSigmaY2[0]=1.44e-6; | |
437 | fSigmaY2[1]=1.44e-6; | |
438 | fSigmaY2[2]=1.444e-5; | |
439 | fSigmaY2[3]=1.444e-5; | |
440 | fSigmaY2[4]=4.0e-6; | |
441 | fSigmaY2[5]=4.0e-6; | |
442 | // z: 120 120 28 28 830 830 micron | |
443 | fSigmaZ2[0]=1.44e-4; | |
444 | fSigmaZ2[1]=1.44e-4; | |
445 | fSigmaZ2[2]=7.84e-6; | |
446 | fSigmaZ2[3]=7.84e-6; | |
447 | fSigmaZ2[4]=6.889e-3; | |
448 | fSigmaZ2[5]=6.889e-3; | |
449 | ||
450 | return; | |
451 | } | |
ae00569a | 452 |