1 /**************************************************************************
2 * Copyright(c) 2007-2009, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
16 #include "AliITSRecoParam.h"
21 ///////////////////////////////////////////////////////////////////////////////
23 // Class with ITS reconstruction parameters //
24 // Origin: andrea.dainese@lnl.infn.it //
26 ///////////////////////////////////////////////////////////////////////////////
30 ClassImp(AliITSRecoParam)
32 const Int_t AliITSRecoParam::fgkLayersNotToSkip[AliITSgeomTGeo::kNLayers]={0,0,0,0,0,0};
33 const Int_t AliITSRecoParam::fgkLastLayerToTrackTo=0;
34 const Int_t AliITSRecoParam::fgkMaxDetectorPerLayer=1000;
35 const Double_t AliITSRecoParam::fgkriw=80.0;
36 const Double_t AliITSRecoParam::fgkdiw=0.0053;
37 const Double_t AliITSRecoParam::fgkX0iw=30.0;
38 const Double_t AliITSRecoParam::fgkrcd=61.0;
39 const Double_t AliITSRecoParam::fgkdcd=0.0053;
40 const Double_t AliITSRecoParam::fgkX0cd=30.0;
41 const Double_t AliITSRecoParam::fgkyr=12.8;
42 const Double_t AliITSRecoParam::fgkdr=0.03;
43 const Double_t AliITSRecoParam::fgkzm=0.2;
44 const Double_t AliITSRecoParam::fgkdm=0.40;
45 const Double_t AliITSRecoParam::fgkrs=50.0;
46 const Double_t AliITSRecoParam::fgkds=0.001;
47 const Double_t AliITSRecoParam::fgkrInsideITSscreen=49.0;
48 const Double_t AliITSRecoParam::fgkrInsideSPD1=3.5;
49 const Double_t AliITSRecoParam::fgkrPipe=3.;
50 const Double_t AliITSRecoParam::fgkrInsidePipe=2.7;
51 const Double_t AliITSRecoParam::fgkrOutsidePipe=3.3;
52 const Double_t AliITSRecoParam::fgkdPipe=0.0028;
53 const Double_t AliITSRecoParam::fgkrInsideShield[2]={7.5,25.0};
54 const Double_t AliITSRecoParam::fgkrOutsideShield[2]={10.5,30.0};
55 const Double_t AliITSRecoParam::fgkdshield[2]={0.0097,0.0034};
56 const Double_t AliITSRecoParam::fgkX0shield[2]={38.6,42.0};
57 const Double_t AliITSRecoParam::fgkX0Air=21.82;
58 const Double_t AliITSRecoParam::fgkX0Be=65.19;
59 const Double_t AliITSRecoParam::fgkBoundaryWidth=0.2;
60 const Double_t AliITSRecoParam::fgkDeltaXNeighbDets=0.5;
61 const Double_t AliITSRecoParam::fgkSPDdetzlength=6.960; // 7.072-2*0.056
62 const Double_t AliITSRecoParam::fgkSPDdetxlength=1.298; // 1.410-2*0.056
64 //_____________________________________________________________________________
65 AliITSRecoParam::AliITSRecoParam() : AliDetectorRecoParam(),
73 fVtxr3DZCutNarrow(0.),
74 fVtxr3DRCutNarrow(0.),
75 fVtxr3DPhiCutLoose(0.),
76 fVtxr3DPhiCutTight(0.),
80 fNSigmaYLayerForRoadY(0),
82 fNSigmaZLayerForRoadZ(0),
89 fMaxNormChi2NonCForHypothesis(0),
102 fMaxDZToUseConstraint(0),
103 fMaxDforV0dghtrForProlongation(0),
104 fMaxDForProlongation(0),
105 fMaxDZForProlongation(0),
106 fMinPtForProlongation(0),
107 fAddVirtualClustersInDeadZone(kFALSE),
109 fSigmaXDeadZoneHit2(0),
110 fSigmaZDeadZoneHit2(0),
111 fXPassDeadZoneHits(0),
112 fSkipSubdetsNotInTriggerCluster(kTRUE),
113 fUseTGeoInTracker(3),
115 fAllowSharedClusters(kTRUE),
116 fClusterErrorsParam(1),
117 fComputePlaneEff(kFALSE),
118 fHistoPlaneEff(kFALSE),
119 fUseTrackletsPlaneEff(kFALSE),
120 fMCTrackletsPlaneEff(kFALSE),
121 fBkgTrackletsPlaneEff(kFALSE),
122 fTrackleterPhiWindowL1(0.10),
123 fTrackleterPhiWindowL2(0.07),
124 fTrackleterZetaWindowL1(0.6),
125 fTrackleterZetaWindowL2(0.4),
126 fUpdateOncePerEventPlaneEff(kTRUE),
127 fMinContVtxPlaneEff(3),
129 fReadPlaneEffFromOCDB(kFALSE),
131 fMaxMissingClustersPlaneEff(5),
132 fMaxMissingClustersOutPlaneEff(5),
133 fRequireClusterInOuterLayerPlaneEff(kFALSE),
134 fRequireClusterInInnerLayerPlaneEff(kFALSE),
135 fOnlyConstraintPlaneEff(kFALSE),
136 fNSigXFromBoundaryPlaneEff(1.),
137 fNSigZFromBoundaryPlaneEff(1.),
138 fImproveWithVertex(kFALSE),
139 fExtendedEtaAcceptance(kFALSE),
140 fUseBadZonesFromOCDB(kTRUE),
141 fUseSingleBadChannelsFromOCDB(kFALSE),
142 fMinFractionOfBadInRoad(0),
143 fAllowProlongationWithEmptyRoad(kFALSE),
144 fInwardFlagSA(kFALSE),
145 fOuterStartLayerSA(2),
146 fInnerStartLayerSA(3),
148 fFactorSAWindowSizes(1.),
154 fMinClusterChargeSA(0.),
155 fSAOnePointTracks(kFALSE),
156 fSAUseAllClusters(kFALSE),
158 fStoreLikeSignV0s(kFALSE),
159 fUseUnfoldingInClusterFinderSPD(kFALSE),
160 fUseUnfoldingInClusterFinderSDD(kTRUE),
161 fUseUnfoldingInClusterFinderSSD(kFALSE),
162 fUseBadChannelsInClusterFinderSSD(kFALSE),
163 fUseSDDCorrectionMaps(kTRUE),
164 fUseSDDClusterSizeSelection(kFALSE),
165 fMinClusterChargeSDD(0.),
166 fUseChargeMatchingInClusterFinderSSD(kTRUE),
167 fTrackleterPhiWindow(0.08),
168 fTrackleterThetaWindow(0.025),
169 fTrackleterPhiShift(0.0045),
170 fTrackleterRemoveClustersFromOverlaps(kFALSE),
171 fTrackleterPhiOverlapCut(0.005),
172 fTrackleterZetaOverlapCut(0.05),
173 fTrackleterPhiRotationAngle(0.0),
174 fUseCosmicRunShiftsSSD(kFALSE),
175 fSPDRemoveNoisyFlag(kTRUE),
176 fSPDRemoveDeadFlag(kTRUE),
177 fVertexerFastSmearX(0.005),
178 fVertexerFastSmearY(0.005),
179 fVertexerFastSmearZ(0.01),
180 fAlignFilterCosmics(kFALSE),
181 fAlignFilterCosmicMergeTracks(kTRUE),
182 fAlignFilterMinITSPoints(4),
183 fAlignFilterMinITSPointsMerged(4),
184 fAlignFilterOnlyITSSATracks(kTRUE),
185 fAlignFilterOnlyITSTPCTracks(kFALSE),
186 fAlignFilterSkipExtra(kFALSE),
187 fAlignFilterMaxMatchingAngle(0.085),
188 fAlignFilterMinAngleWrtModulePlanes(0.52),
189 fAlignFilterMinPt(0.),
190 fAlignFilterMaxPt(1.e10),
191 fAlignFilterFillQANtuples(kTRUE),
193 fMultCutPxDrSPDin(0.1),
194 fMultCutPxDrSPDout(0.15),
197 fMultCutMinElectronProbTPC(0.5),
198 fMultCutMinElectronProbESD(0.1),
200 fMultCutMinRGamma(2.),
202 fMultCutMinPointAngle(0.98),
203 fMultCutMaxDCADauther(0.5),
204 fMultCutMassGamma(0.03),
205 fMultCutMassGammaNSigma(5.),
206 fMultCutMassK0(0.03),
207 fMultCutMassK0NSigma(5.),
208 fMultCutChi2cGamma(2.),
210 fMultCutGammaSFromDecay(-10.),
211 fMultCutK0SFromDecay(-10.),
222 SetLayersParameters();
223 for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) fLayersToSkip[i]=0;
224 SetUseTGeoInTracker(3);
226 SetAllowSharedClusters(kTRUE);
228 SetAddVirtualClustersInDeadZone(kFALSE);
229 SetUseAmplitudeInfo(kTRUE);
230 SetClusterErrorsParam(1);
231 SetClusterMisalError(0.);
232 SetClusterMisalErrorBOn(0.);
233 SetVertexer3DDefaults();
235 for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) fAlignFilterUseLayer[i]=kTRUE;
236 fESDV0Params = new AliESDV0Params();
238 fESDV0Params->SetMaxDist0(0.1);
239 fESDV0Params->SetMaxDist1(0.1);
240 fESDV0Params->SetMaxDist(1.);
241 fESDV0Params->SetMinPointAngle(0.85);
242 fESDV0Params->SetMinPointAngle2(0.99);
243 fESDV0Params->SetMinR(0.5);
244 fESDV0Params->SetMaxR(220.);
245 fESDV0Params->SetMinPABestConst(0.9999);
246 fESDV0Params->SetMaxRBestConst(10.);
247 fESDV0Params->SetCausality0Cut(0.19);
248 fESDV0Params->SetLikelihood01Cut(0.45);
249 fESDV0Params->SetLikelihood1Cut(0.5);
250 fESDV0Params->SetCombinedCut(0.55);
251 fESDV0Params->SetMinClFullTrk(5.0);
252 fESDV0Params->SetMinTgl0(1.05);
253 fESDV0Params->SetMinRTgl0(40.0);
255 fESDV0Params->SetMinNormDistForbTgl0(3.0);
256 fESDV0Params->SetMinClForb0(4.5);
257 fESDV0Params->SetMinNormDistForb1(3.0);
258 fESDV0Params->SetMinNormDistForb2(2.0);
259 fESDV0Params->SetMinNormDistForb3(1.0);
260 fESDV0Params->SetMinNormDistForb4(4.0);
261 fESDV0Params->SetMinNormDistForb5(5.0);
262 fESDV0Params->SetMinNormDistForbProt(2.0);
263 fESDV0Params->SetMaxPidProbPionForb(0.5);
265 fESDV0Params->SetMinRTPCdensity(40.);
266 fESDV0Params->SetMaxRTPCdensity0(110.);
267 fESDV0Params->SetMaxRTPCdensity10(120.);
268 fESDV0Params->SetMaxRTPCdensity20(130.);
269 fESDV0Params->SetMaxRTPCdensity30(140.);
271 fESDV0Params->SetMinTPCdensity(0.6);
272 fESDV0Params->SetMinTgl1(1.1);
273 fESDV0Params->SetMinTgl2(1.0);
274 fESDV0Params->SetMinchi2before0(16.);
275 fESDV0Params->SetMinchi2before1(16.);
276 fESDV0Params->SetMinchi2after0(16.);
277 fESDV0Params->SetMinchi2after1(16.);
278 fESDV0Params->SetAddchi2SharedCl(18.);
279 fESDV0Params->SetAddchi2NegCl0(25.);
280 fESDV0Params->SetAddchi2NegCl1(30.);
281 fESDV0Params->SetSigp0Par0(0.0001);
282 fESDV0Params->SetSigp0Par1(0.001);
283 fESDV0Params->SetSigp0Par2(0.1);
284 fESDV0Params->SetSigpPar0(0.5);
285 fESDV0Params->SetSigpPar1(0.6);
286 fESDV0Params->SetSigpPar2(0.4);
287 fESDV0Params->SetMaxDcaLh0(0.5);
288 fESDV0Params->SetStreamLevel(0);
289 fESDV0Params->SetChi2KF(100);
290 fESDV0Params->SetRobustChi2KF(100);
293 //_____________________________________________________________________________
294 AliITSRecoParam::~AliITSRecoParam()
304 //_____________________________________________________________________________
305 AliITSRecoParam *AliITSRecoParam::GetHighFluxParam()
308 // make default reconstruction parameters for hig flux env.
310 AliITSRecoParam *param = new AliITSRecoParam();
311 param->SetVertexerZ();
313 // use of bads from OCDB
314 param->SetUseBadZonesFromOCDB(kTRUE);
315 param->SetUseSingleBadChannelsFromOCDB(kFALSE);
316 // use pointing to vertex during prolongation
317 param->SetImproveWithVertex(kTRUE);
318 // extended eta acceptance
319 param->SetExtendedEtaAcceptance(kFALSE);
320 // allow to skip layer if no cluster and no bad
321 param->SetAllowProlongationWithEmptyRoad(kFALSE);
323 param->SetEventSpecie(AliRecoParam::kHighMult);
325 param->fMaxSnp = 0.95;
327 param->fNSigmaYLayerForRoadY = 4.;
328 param->fNSigmaRoadY = 7.5;
329 param->fNSigmaZLayerForRoadZ = 4.;
330 param->fNSigmaRoadZ = 7.5;
332 param->fNSigma2RoadZC = 60.; //7.75^2
333 param->fNSigma2RoadYC = 60.; //7.75^2
334 param->fNSigma2RoadZNonC = 50.; //7.07^2
335 param->fNSigma2RoadYNonC = 50.; //7.07^2
337 param->fMaxChi2PerCluster[0] = 11.; //7
338 param->fMaxChi2PerCluster[1] = 12.; //5
339 param->fMaxChi2PerCluster[2] = 12.; //8
340 param->fMaxChi2PerCluster[3] = 5.; //8
341 param->fMaxChi2PerCluster[4] = 12.; //6.5
343 param->fMaxNormChi2NonC[0] = 7.;
344 param->fMaxNormChi2NonC[1] = 8.;
345 param->fMaxNormChi2NonC[2] = 8.;
346 param->fMaxNormChi2NonC[3] = 11.;
347 param->fMaxNormChi2NonC[4] = 14.;
348 param->fMaxNormChi2NonC[5] = 25.;
350 param->fMaxNormChi2C[0] = 11.;
351 param->fMaxNormChi2C[1] = 13.;
352 param->fMaxNormChi2C[2] = 15.;
353 param->fMaxNormChi2C[3] = 18.;
354 param->fMaxNormChi2C[4] = 30.;
355 param->fMaxNormChi2C[5] = 35.;
357 param->fMaxNormChi2NonCForHypothesis = 7.;
359 param->fMaxChi2 = 35.;
361 param->fMaxChi2s[0] = 25.; //40
362 param->fMaxChi2s[1] = 25.; //40
363 param->fMaxChi2s[2] = 25.; //40
364 param->fMaxChi2s[3] = 25.; //40
365 param->fMaxChi2s[4] = 40.; //40
366 param->fMaxChi2s[5] = 50.; //40
368 param->fMaxRoad = 6.;
371 param->fMaxChi2In = 16.;
373 param->fMaxChi2sR[0] = 10.;
374 param->fMaxChi2sR[1] = 10.;
375 param->fMaxChi2sR[2] = 10.;
376 param->fMaxChi2sR[3] = 10.;
377 param->fMaxChi2sR[4] = 30.;
378 param->fMaxChi2sR[5] = 40.;
380 param->fChi2PerCluster = 9.;
386 param->fSigmaXV = 0.0050;
387 param->fSigmaYV = 0.0050;
388 param->fSigmaZV = 0.0100;
390 param->fVertexCut = 25.;
392 param->fMaxDZforPrimTrk = 0.4;
393 param->fMaxDZToUseConstraint = 3.;
395 param->fMaxDforV0dghtrForProlongation = 30.;
396 param->fMaxDForProlongation = 40.;//10.;
397 param->fMaxDZForProlongation = 60.;//20.;
398 param->fMinPtForProlongation = 0.120;
400 param->fZWindowDeadZone = 2.0;
401 param->fSigmaXDeadZoneHit2 = 0.004/12.;
402 param->fSigmaZDeadZoneHit2 = 0.001/12.;
403 param->fXPassDeadZoneHits = 0.018;
406 param->fMultCutPxDrSPDin = 0.1;
407 param->fMultCutPxDrSPDout = 0.15;
408 param->fMultCutPxDz = 0.2;
409 param->fMultCutDCArz = 0.5;
410 param->fMultCutMinElectronProbTPC = 0.5;
411 param->fMultCutMinElectronProbESD = 0.1;
412 param->fMultCutMinP = 0.05;
413 param->fMultCutMinRGamma = 2.;
414 param->fMultCutMinRK0 = 1.;
415 param->fMultCutMinPointAngle = 0.98;
416 param->fMultCutMaxDCADauther = 0.5;
417 param->fMultCutMassGamma = 0.03;
418 param->fMultCutMassGammaNSigma = 5.;
419 param->fMultCutMassK0 = 0.03;
420 param->fMultCutMassK0NSigma = 5.;
421 param->fMultCutChi2cGamma = 2.;
422 param->fMultCutChi2cK0 = 2.;
423 param->fMultCutGammaSFromDecay = -10.;
424 param->fMultCutK0SFromDecay = -10.;
425 param->fMultCutMaxDCA = 1.;
429 //_____________________________________________________________________________
430 AliITSRecoParam *AliITSRecoParam::GetLowFluxParam()
433 // make default reconstruction parameters for low flux env.
435 AliITSRecoParam *param = new AliITSRecoParam();
436 param->SetVertexer3DDefaults();
438 // full use of bads from OCDB
439 param->SetUseBadZonesFromOCDB(kTRUE);
440 param->SetUseSingleBadChannelsFromOCDB(kTRUE);
441 // extended eta acceptance
442 param->SetExtendedEtaAcceptance(kTRUE);
443 // allow to skip layer if no cluster and no bad
444 param->SetAllowProlongationWithEmptyRoad(kTRUE);
446 param->SetEventSpecie(AliRecoParam::kLowMult);
448 param->fMaxSnp = 0.95;
450 param->fNSigmaYLayerForRoadY = 4.;
451 param->fNSigmaRoadY = 7.5;
452 param->fNSigmaZLayerForRoadZ = 4.;
453 param->fNSigmaRoadZ = 7.5;
455 param->fNSigma2RoadZC = 60.; //7.75^2
456 param->fNSigma2RoadYC = 60.; //7.75^2
457 param->fNSigma2RoadZNonC = 50.; //7.07^2
458 param->fNSigma2RoadYNonC = 50.; //7.07^2
460 param->fMaxChi2PerCluster[0] = 11.; //7
461 param->fMaxChi2PerCluster[1] = 12.; //5
462 param->fMaxChi2PerCluster[2] = 12.; //8
463 param->fMaxChi2PerCluster[3] = 5.; //8
464 param->fMaxChi2PerCluster[4] = 12.; //6.5
466 param->fMaxNormChi2NonC[0] = 7.;
467 param->fMaxNormChi2NonC[1] = 8.;
468 param->fMaxNormChi2NonC[2] = 8.;
469 param->fMaxNormChi2NonC[3] = 11.;
470 param->fMaxNormChi2NonC[4] = 14.;
471 param->fMaxNormChi2NonC[5] = 25.;
473 param->fMaxNormChi2C[0] = 11.;
474 param->fMaxNormChi2C[1] = 13.;
475 param->fMaxNormChi2C[2] = 15.;
476 param->fMaxNormChi2C[3] = 18.;
477 param->fMaxNormChi2C[4] = 30.;
478 param->fMaxNormChi2C[5] = 35.;
480 param->fMaxNormChi2NonCForHypothesis = 7.;
482 param->fMaxChi2 = 35.;
484 param->fMaxChi2s[0] = 25.; //40
485 param->fMaxChi2s[1] = 25.; //40
486 param->fMaxChi2s[2] = 25.; //40
487 param->fMaxChi2s[3] = 25.; //40
488 param->fMaxChi2s[4] = 40.; //40
489 param->fMaxChi2s[5] = 50.; //40
491 param->fMaxRoad = 6.;
494 param->fMaxChi2In = 16.;
496 param->fMaxChi2sR[0] = 10.;
497 param->fMaxChi2sR[1] = 10.;
498 param->fMaxChi2sR[2] = 10.;
499 param->fMaxChi2sR[3] = 10.;
500 param->fMaxChi2sR[4] = 30.;
501 param->fMaxChi2sR[5] = 40.;
503 param->fChi2PerCluster = 9.;
509 param->fSigmaXV = 0.0050;
510 param->fSigmaYV = 0.0050;
511 param->fSigmaZV = 0.0100;
513 param->fVertexCut = 25.;
515 param->fMaxDZforPrimTrk = 0.4;
516 param->fMaxDZToUseConstraint = 3.;
518 param->fMaxDforV0dghtrForProlongation = 30.;
519 param->fMaxDForProlongation = 40.;//10.;
520 param->fMaxDZForProlongation = 60.;//20.;
521 param->fMinPtForProlongation = 0.120;
523 param->fZWindowDeadZone = 2.0;
524 param->fSigmaXDeadZoneHit2 = 0.004/12.;
525 param->fSigmaZDeadZoneHit2 = 0.001/12.;
526 param->fXPassDeadZoneHits = 0.018;
527 param->SetNLoopsSA(20);
528 param->fMaxPhiSA = 0.07;
529 param->fMaxLambdaSA = 0.04;
532 param->GetESDV0Params()->SetMinRTgl0(0.5);
533 param->GetESDV0Params()->SetMaxDist(1.5);
534 param->GetESDV0Params()->SetMaxDcaLh0(1.5);
535 param->GetESDV0Params()->SetMaxRBestConst(80);
536 param->GetESDV0Params()->SetMinPABestConst(0.99);
537 param->GetESDV0Params()->SetMinNormDistForbTgl0(1.);
538 param->GetESDV0Params()->SetMinNormDistForb1(2.);
539 param->GetESDV0Params()->SetMinNormDistForbProt(1.);
540 param->GetESDV0Params()->SetMaxPidProbPionForb(0.7);
541 param->GetESDV0Params()->SetLikelihood01Cut(0.3);
542 param->GetESDV0Params()->SetLikelihood1Cut(0.35);
543 param->GetESDV0Params()->SetCombinedCut(0.4);
546 param->fMultCutPxDrSPDin = 0.1;
547 param->fMultCutPxDrSPDout = 0.15;
548 param->fMultCutPxDz = 0.2;
549 param->fMultCutDCArz = 0.5;
550 param->fMultCutMinElectronProbTPC = 0.5;
551 param->fMultCutMinElectronProbESD = 0.1;
552 param->fMultCutMinP = 0.05;
553 param->fMultCutMinRGamma = 2.;
554 param->fMultCutMinRK0 = 1.;
555 param->fMultCutMinPointAngle = 0.98;
556 param->fMultCutMaxDCADauther = 0.5;
557 param->fMultCutMassGamma = 0.03;
558 param->fMultCutMassGammaNSigma = 5.;
559 param->fMultCutMassK0 = 0.03;
560 param->fMultCutMassK0NSigma = 5.;
561 param->fMultCutChi2cGamma = 2.;
562 param->fMultCutChi2cK0 = 2.;
563 param->fMultCutGammaSFromDecay = -10.;
564 param->fMultCutK0SFromDecay = -10.;
565 param->fMultCutMaxDCA = 1.;
570 //_____________________________________________________________________________
571 AliITSRecoParam *AliITSRecoParam::GetCosmicTestParam()
574 // make default reconstruction parameters for cosmics
576 AliITSRecoParam *param = new AliITSRecoParam();
578 // vertexer for cosmics
579 param->SetVertexer(2);
581 param->SetClusterErrorsParam(2);
582 param->SetFindV0s(kFALSE);
583 param->SetAddVirtualClustersInDeadZone(kFALSE);
584 param->SetUseAmplitudeInfo(kFALSE);
587 param->SetEventSpecie(AliRecoParam::kCosmic);
589 // full use of bads from OCDB
590 param->SetUseBadZonesFromOCDB(kTRUE);
591 param->SetUseSingleBadChannelsFromOCDB(kTRUE);
593 // find independently ITS SA tracks
594 param->SetSAUseAllClusters();
595 param->SetOuterStartLayerSA(AliITSgeomTGeo::GetNLayers()-2);
597 //****** COSMICS 2009 (same as COSMICS 2008) *********************
599 // to maximize efficiency
600 param->SetAllowProlongationWithEmptyRoad();
601 param->SetMinNPointsSA(2);
603 // larger seach windows for SA (in case of large misalignments)
604 param->SetNLoopsSA(33);
605 param->SetFactorSAWindowSizes(20);
607 // additional error due to misal (B off)
608 param->SetClusterMisalErrorY(1.0,1.0,1.0,1.0,1.0,1.0); // [cm]
609 param->SetClusterMisalErrorZ(1.0,1.0,1.0,1.0,1.0,1.0); // [cm]
610 // additional error due to misal (B on)
611 param->SetClusterMisalErrorYBOn(0.0,0.0,0.1,0.1,0.1,0.1); // [cm]
612 param->SetClusterMisalErrorZBOn(0.1,0.1,0.1,0.1,0.1,0.1); // [cm]
616 param->fUseSDDCorrectionMaps = kFALSE;
617 param->fUseSDDClusterSizeSelection=kTRUE;
618 param->fMinClusterChargeSDD=30.;
621 // alignment data filter
622 param->SetAlignFilterCosmics(kTRUE);
623 param->SetAlignFilterCosmicMergeTracks(kTRUE);
624 param->SetAlignFilterMinITSPoints(1);
625 param->SetAlignFilterMinITSPointsMerged(3);
626 param->SetAlignFilterOnlyITSSATracks(kTRUE);
627 param->SetAlignFilterOnlyITSTPCTracks(kFALSE);
628 param->SetAlignFilterSkipExtra(kFALSE);
629 param->SetAlignFilterMaxMatchingAngle(0.085/*5deg*/);
630 param->SetAlignFilterMinPt(0.2);
631 param->SetAlignFilterMaxPt(1.e10);
632 param->SetAlignFilterFillQANtuples(kTRUE);
634 //******************************************************************
636 param->fMaxSnp = 0.95;
638 param->fNSigmaYLayerForRoadY = 4.;
639 param->fNSigmaRoadY = 7.5;
640 param->fNSigmaZLayerForRoadZ = 4.;
641 param->fNSigmaRoadZ = 7.5;
643 param->fNSigma2RoadZC = 60.; //7.75^2
644 param->fNSigma2RoadYC = 60.; //7.75^2
645 param->fNSigma2RoadZNonC = 50.; //7.07^2
646 param->fNSigma2RoadYNonC = 50.; //7.07^2
648 param->fMaxChi2PerCluster[0] = 11.; //7
649 param->fMaxChi2PerCluster[1] = 12.; //5
650 param->fMaxChi2PerCluster[2] = 12.; //8
651 param->fMaxChi2PerCluster[3] = 5.; //8
652 param->fMaxChi2PerCluster[4] = 12.; //6.5
654 param->fMaxNormChi2NonC[0] = 7.;
655 param->fMaxNormChi2NonC[1] = 8.;
656 param->fMaxNormChi2NonC[2] = 8.;
657 param->fMaxNormChi2NonC[3] = 11.;
658 param->fMaxNormChi2NonC[4] = 14.;
659 param->fMaxNormChi2NonC[5] = 25.;
661 param->fMaxNormChi2C[0] = 11.;
662 param->fMaxNormChi2C[1] = 13.;
663 param->fMaxNormChi2C[2] = 15.;
664 param->fMaxNormChi2C[3] = 18.;
665 param->fMaxNormChi2C[4] = 30.;
666 param->fMaxNormChi2C[5] = 35.;
668 param->fMaxNormChi2NonCForHypothesis = 7.;
670 param->fMaxChi2 = 35.;
672 param->fMaxChi2s[0] = 25.; //40
673 param->fMaxChi2s[1] = 25.; //40
674 param->fMaxChi2s[2] = 25.; //40
675 param->fMaxChi2s[3] = 25.; //40
676 param->fMaxChi2s[4] = 40.; //40
677 param->fMaxChi2s[5] = 50.; //40
679 param->fMaxRoad = 6.;
682 param->fMaxChi2In = 16.;
684 param->fMaxChi2sR[0] = 10.;
685 param->fMaxChi2sR[1] = 10.;
686 param->fMaxChi2sR[2] = 10.;
687 param->fMaxChi2sR[3] = 10.;
688 param->fMaxChi2sR[4] = 30.;
689 param->fMaxChi2sR[5] = 40.;
691 param->fChi2PerCluster = 9.;
697 param->fSigmaXV = 0.0050;
698 param->fSigmaYV = 0.0050;
699 param->fSigmaZV = 0.0100;
701 param->fVertexCut = 25.;
703 param->fMaxDZforPrimTrk = 0.4;
704 param->fMaxDZToUseConstraint = 3.;
706 param->fMaxDforV0dghtrForProlongation = 30.;
707 param->fMaxDForProlongation = 10.;
708 param->fMaxDZForProlongation = 20.;
709 param->fMinPtForProlongation = 0.120;
711 param->fZWindowDeadZone = 2.0;
712 param->fSigmaXDeadZoneHit2 = 0.004/12.;
713 param->fSigmaZDeadZoneHit2 = 0.001/12.;
714 param->fXPassDeadZoneHits = 0.018;
718 //_____________________________________________________________________________
719 AliITSRecoParam *AliITSRecoParam::GetPlaneEffParam(Int_t i)
722 // make special reconstruction parameters for Plane Efficiency study on layer i (0,5)
724 // if i=-1, then the evaluation for both pixel layers is tried with the tracklet method
726 if (i<-1 || i>=AliITSgeomTGeo::kNLayers) {
727 printf("AliITSRecoParam::GetPlaneEffParam: index of ITS Plane nor in the range [0,5] neither =-1\n");
728 printf("returning null pointer");
731 if(i>=0) { // Method using tracks (remove given plane from tracking)
732 AliITSRecoParam *param;
733 param = GetLowFluxParam();
734 param->SetClusterErrorsParam(2);
735 // find independently ITS SA tracks
736 param->SetSAUseAllClusters();
737 param->SetOuterStartLayerSA(2);
738 param->SetAllowProlongationWithEmptyRoad(kTRUE);
739 // larger seach windows for SA (in case of large misalignments)
740 param->SetFactorSAWindowSizes(2);
742 // Misalignment syst errors decided at ITS meeting 25.03.2010
743 // additional error due to misal (B off)
744 param->SetClusterMisalErrorY(0.0010,0.0010,0.0300,0.0300,0.0020,0.0020); // [cm]
745 param->SetClusterMisalErrorZ(0.0100,0.0100,0.0100,0.0100,0.0500,0.0500); // [cm]
746 // additional error due to misal (B on)
747 param->SetClusterMisalErrorYBOn(0.0010,0.0030,0.0500,0.0500,0.0020,0.0020); // [cm]
748 param->SetClusterMisalErrorZBOn(0.0100,0.0100,0.0100,0.0100,0.0500,0.0500); // [cm]
752 param->SetUseSDDCorrectionMaps(kTRUE); // changed 30.04.2010
753 param->SetUseSDDClusterSizeSelection(kTRUE);
754 param->SetMinClusterChargeSDD(30.);
755 param->SetUseUnfoldingInClusterFinderSDD(kFALSE);
757 param->SetComputePlaneEff();
758 param->SetLayerToSkip(i);
759 param->SetIPlanePlaneEff(i);
760 param->fNSigXFromBoundaryPlaneEff= 1.;
761 param->fNSigZFromBoundaryPlaneEff= 1.;
762 // optimized setting for SPD0 (i==0)
764 param->fMinPtPlaneEff = 0.200; // high pt particles
765 param->fMaxMissingClustersPlaneEff = 2; // at most 2 layers out of 5 without cluster
766 param->fMaxMissingClustersOutPlaneEff = 2; // at most 2 layers out of 5 external ones without cluster
767 param->fRequireClusterInOuterLayerPlaneEff = kTRUE; // cluster on SPD1 must be
768 //param->fOnlyConstraintPlaneEff = kTRUE;
771 param->fMinPtPlaneEff = 0.200; // high pt particles
772 param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
773 param->fMaxMissingClustersOutPlaneEff = 2; // at most 2 layer out of 4 external ones without cluster
774 //param->fRequireClusterInOuterLayerPlaneEff = kTRUE; // cluster on SSD1 must be
777 param->fMinPtPlaneEff = 0.200; // high pt particles
778 param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
779 param->fMaxMissingClustersOutPlaneEff = 2; // at most 2 layer out of 3 external ones without cluster
780 //param->fRequireClusterInOuterLayerPlaneEff = kTRUE;
781 //param->fOnlyConstraintPlaneEff = kTRUE;
784 param->fMinPtPlaneEff = 0.200; // high pt particles
785 param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
786 param->fMaxMissingClustersOutPlaneEff = 1; // at most 1 layer out of 2 external ones without cluster
789 param->fMinPtPlaneEff = 0.200; // high pt particles
790 param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
791 param->fMaxMissingClustersOutPlaneEff = 1; // at most 1 layer out of 1 external ones without cluster
792 // param->fRequireClusterInOuterLayerPlaneEff = kTRUE;
793 //param->fOnlyConstraintPlaneEff = kTRUE;
796 param->fMinPtPlaneEff = 0.200; // high pt particles
797 param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
802 else if (i==-1) { // Method using tracklets
803 AliITSRecoParam *param;
804 param = GetLowFluxParam();
805 param->SetIPlanePlaneEff(i);
806 param->SetComputePlaneEff(kTRUE,kFALSE);
807 param->SetUseTrackletsPlaneEff(kTRUE);
808 param->SetTrackleterPhiWindowL2(0.07);
809 param->SetTrackleterZetaWindowL2(0.4);
810 param->SetTrackleterPhiWindowL1(0.10);
811 param->SetTrackleterZetaWindowL1(0.6);
812 param->SetUpdateOncePerEventPlaneEff(kTRUE);
813 param->SetMinContVtxPlaneEff(3);
817 AliErrorGeneral("AliITSRecoParam",Form("Unrecognised value of i %d\n",i));
822 //_____________________________________________________________________________
823 void AliITSRecoParam::SetLayersParameters()
826 // number of layers and layers spatial resolutions
829 // spatial resolutions of the detectors
830 // y: 12 12 38 38 20 20 micron
833 fSigmaY2[2]=1.444e-5;
834 fSigmaY2[3]=1.444e-5;
837 // z: 120 120 28 28 830 830 micron
842 fSigmaZ2[4]=6.889e-3;
843 fSigmaZ2[5]=6.889e-3;
847 //_____________________________________________________________________________
848 void AliITSRecoParam::PrintParameters() const
854 printf("============================= AliITSRecoParam::PrintParameters ");
855 printf("============================= \n\n");
856 for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) {
857 if(!fLayersToSkip[i]) {
858 printf("ITS Traking: using layer %d\n",i);
860 printf("ITS Traking: skipping layer %d\n",i);
863 for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) {
864 if(fUseAmplitudeInfo[i]) {
865 printf("ITS Traking: use amplitude info for layer %d\n",i);
867 printf("ITS Traking: don't use amplitude info for layer %d\n",i);
870 for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++)
871 printf("Layer %d:\n sigmaY2 %f, sigmaZ2 %f\n sigmaMisalY %f, sigmaMisalZ %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],fClusterMisalErrorY[i],fClusterMisalErrorZ[i],fMaxNormChi2NonC[i],fMaxNormChi2C[i],fMaxChi2s[i]);