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),
94 fSearchForExtras(kTRUE),
103 fMaxDZToUseConstraint(0),
104 fMaxDforV0dghtrForProlongation(0),
105 fMaxDForProlongation(0),
106 fMaxDZForProlongation(0),
107 fMinPtForProlongation(0),
108 fAddVirtualClustersInDeadZone(kFALSE),
110 fSigmaXDeadZoneHit2(0),
111 fSigmaZDeadZoneHit2(0),
112 fXPassDeadZoneHits(0),
113 fSkipSubdetsNotInTriggerCluster(kTRUE),
114 fUseTGeoInTracker(3),
116 fAllowSharedClusters(kTRUE),
117 fClusterErrorsParam(1),
118 fComputePlaneEff(kFALSE),
119 fHistoPlaneEff(kFALSE),
120 fUseTrackletsPlaneEff(kFALSE),
121 fMCTrackletsPlaneEff(kFALSE),
122 fBkgTrackletsPlaneEff(kFALSE),
123 fTrackleterPhiWindowL1(0.10),
124 fTrackleterPhiWindowL2(0.07),
125 fTrackleterZetaWindowL1(0.6),
126 fTrackleterZetaWindowL2(0.4),
127 fUpdateOncePerEventPlaneEff(kTRUE),
128 fMinContVtxPlaneEff(3),
130 fReadPlaneEffFromOCDB(kFALSE),
132 fMaxMissingClustersPlaneEff(5),
133 fMaxMissingClustersOutPlaneEff(5),
134 fRequireClusterInOuterLayerPlaneEff(kFALSE),
135 fRequireClusterInInnerLayerPlaneEff(kFALSE),
136 fOnlyConstraintPlaneEff(kFALSE),
137 fNSigXFromBoundaryPlaneEff(1.),
138 fNSigZFromBoundaryPlaneEff(1.),
139 fImproveWithVertex(kFALSE),
140 fExtendedEtaAcceptance(kFALSE),
141 fUseBadZonesFromOCDB(kTRUE),
142 fUseSingleBadChannelsFromOCDB(kFALSE),
143 fMinFractionOfBadInRoad(0),
144 fAllowProlongationWithEmptyRoad(kFALSE),
145 fInwardFlagSA(kFALSE),
146 fOuterStartLayerSA(2),
147 fInnerStartLayerSA(3),
149 fFactorSAWindowSizes(1.),
155 fMinClusterChargeSA(0.),
156 fSAOnePointTracks(kFALSE),
157 fSAUseAllClusters(kFALSE),
159 fStoreLikeSignV0s(kFALSE),
160 fUseUnfoldingInClusterFinderSPD(kFALSE),
161 fUseUnfoldingInClusterFinderSDD(kTRUE),
162 fUseUnfoldingInClusterFinderSSD(kFALSE),
163 fUseBadChannelsInClusterFinderSSD(kFALSE),
164 fUseSDDCorrectionMaps(kTRUE),
165 fUseSDDClusterSizeSelection(kFALSE),
166 fMinClusterChargeSDD(0.),
167 fUseChargeMatchingInClusterFinderSSD(kTRUE),
168 fTrackleterPhiWindow(0.08),
169 fTrackleterThetaWindow(0.025),
170 fTrackleterPhiShift(0.0045),
171 fTrackleterRemoveClustersFromOverlaps(kFALSE),
172 fTrackleterPhiOverlapCut(0.005),
173 fTrackleterZetaOverlapCut(0.05),
174 fTrackleterPhiRotationAngle(0.0),
175 fUseCosmicRunShiftsSSD(kFALSE),
176 fSPDRemoveNoisyFlag(kTRUE),
177 fSPDRemoveDeadFlag(kTRUE),
178 fVertexerFastSmearX(0.005),
179 fVertexerFastSmearY(0.005),
180 fVertexerFastSmearZ(0.01),
181 fAlignFilterCosmics(kFALSE),
182 fAlignFilterCosmicMergeTracks(kTRUE),
183 fAlignFilterMinITSPoints(4),
184 fAlignFilterMinITSPointsMerged(4),
185 fAlignFilterOnlyITSSATracks(kTRUE),
186 fAlignFilterOnlyITSTPCTracks(kFALSE),
187 fAlignFilterSkipExtra(kFALSE),
188 fAlignFilterMaxMatchingAngle(0.085),
189 fAlignFilterMinAngleWrtModulePlanes(0.52),
190 fAlignFilterMinPt(0.),
191 fAlignFilterMaxPt(1.e10),
192 fAlignFilterFillQANtuples(kTRUE),
194 fMultCutPxDrSPDin(0.1),
195 fMultCutPxDrSPDout(0.15),
198 fMultCutMinElectronProbTPC(0.5),
199 fMultCutMinElectronProbESD(0.1),
201 fMultCutMinRGamma(2.),
203 fMultCutMinPointAngle(0.98),
204 fMultCutMaxDCADauther(0.5),
205 fMultCutMassGamma(0.03),
206 fMultCutMassGammaNSigma(5.),
207 fMultCutMassK0(0.03),
208 fMultCutMassK0NSigma(5.),
209 fMultCutChi2cGamma(2.),
211 fMultCutGammaSFromDecay(-10.),
212 fMultCutK0SFromDecay(-10.),
215 fCorrectLorentzAngleSPD(kFALSE),
216 fLorentzAngleHolesSPD(0.),
217 fCorrectLorentzAngleSSD(kFALSE),
218 fLorentzAngleHolesSSD(0.),
219 fLorentzAngleElectronsSSD(0.),
229 SetLayersParameters();
230 for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) fLayersToSkip[i]=0;
231 SetUseTGeoInTracker(3);
233 SetAllowSharedClusters(kTRUE);
235 SetAddVirtualClustersInDeadZone(kFALSE);
236 SetUseAmplitudeInfo(kTRUE);
237 SetClusterErrorsParam(1);
238 SetClusterMisalError(0.);
239 SetClusterMisalErrorBOn(0.);
240 SetVertexer3DDefaults();
242 for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) fAlignFilterUseLayer[i]=kTRUE;
243 fESDV0Params = new AliESDV0Params();
245 fESDV0Params->SetMaxDist0(0.1);
246 fESDV0Params->SetMaxDist1(0.1);
247 fESDV0Params->SetMaxDist(1.);
248 fESDV0Params->SetMinPointAngle(0.85);
249 fESDV0Params->SetMinPointAngle2(0.99);
250 fESDV0Params->SetMinR(0.5);
251 fESDV0Params->SetMaxR(220.);
252 fESDV0Params->SetMinPABestConst(0.9999);
253 fESDV0Params->SetMaxRBestConst(10.);
254 fESDV0Params->SetCausality0Cut(0.19);
255 fESDV0Params->SetLikelihood01Cut(0.45);
256 fESDV0Params->SetLikelihood1Cut(0.5);
257 fESDV0Params->SetCombinedCut(0.55);
258 fESDV0Params->SetMinClFullTrk(5.0);
259 fESDV0Params->SetMinTgl0(1.05);
260 fESDV0Params->SetMinRTgl0(40.0);
262 fESDV0Params->SetMinNormDistForbTgl0(3.0);
263 fESDV0Params->SetMinClForb0(4.5);
264 fESDV0Params->SetMinNormDistForb1(3.0);
265 fESDV0Params->SetMinNormDistForb2(2.0);
266 fESDV0Params->SetMinNormDistForb3(1.0);
267 fESDV0Params->SetMinNormDistForb4(4.0);
268 fESDV0Params->SetMinNormDistForb5(5.0);
269 fESDV0Params->SetMinNormDistForbProt(2.0);
270 fESDV0Params->SetMaxPidProbPionForb(0.5);
272 fESDV0Params->SetMinRTPCdensity(40.);
273 fESDV0Params->SetMaxRTPCdensity0(110.);
274 fESDV0Params->SetMaxRTPCdensity10(120.);
275 fESDV0Params->SetMaxRTPCdensity20(130.);
276 fESDV0Params->SetMaxRTPCdensity30(140.);
278 fESDV0Params->SetMinTPCdensity(0.6);
279 fESDV0Params->SetMinTgl1(1.1);
280 fESDV0Params->SetMinTgl2(1.0);
281 fESDV0Params->SetMinchi2before0(16.);
282 fESDV0Params->SetMinchi2before1(16.);
283 fESDV0Params->SetMinchi2after0(16.);
284 fESDV0Params->SetMinchi2after1(16.);
285 fESDV0Params->SetAddchi2SharedCl(18.);
286 fESDV0Params->SetAddchi2NegCl0(25.);
287 fESDV0Params->SetAddchi2NegCl1(30.);
288 fESDV0Params->SetSigp0Par0(0.0001);
289 fESDV0Params->SetSigp0Par1(0.001);
290 fESDV0Params->SetSigp0Par2(0.1);
291 fESDV0Params->SetSigpPar0(0.5);
292 fESDV0Params->SetSigpPar1(0.6);
293 fESDV0Params->SetSigpPar2(0.4);
294 fESDV0Params->SetMaxDcaLh0(0.5);
295 fESDV0Params->SetStreamLevel(0);
296 fESDV0Params->SetChi2KF(100);
297 fESDV0Params->SetRobustChi2KF(100);
300 //_____________________________________________________________________________
301 AliITSRecoParam::~AliITSRecoParam()
311 //_____________________________________________________________________________
312 AliITSRecoParam *AliITSRecoParam::GetHighFluxParam()
315 // make default reconstruction parameters for hig flux env.
317 AliITSRecoParam *param = new AliITSRecoParam();
318 param->SetVertexer3DDefaults();
320 // use of bads from OCDB
321 param->SetUseBadZonesFromOCDB(kTRUE);
322 param->SetUseSingleBadChannelsFromOCDB(kFALSE);
323 // use pointing to vertex during prolongation
324 param->SetImproveWithVertex(kTRUE);
325 // extended eta acceptance
326 param->SetExtendedEtaAcceptance(kFALSE);
327 // allow to skip layer if no cluster and no bad
328 param->SetAllowProlongationWithEmptyRoad(kFALSE);
330 param->SetEventSpecie(AliRecoParam::kHighMult);
332 param->fMaxSnp = 0.95;
334 param->fNSigmaYLayerForRoadY = 4.;
335 param->fNSigmaRoadY = 7.5;
336 param->fNSigmaZLayerForRoadZ = 4.;
337 param->fNSigmaRoadZ = 7.5;
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
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
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.;
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.;
364 param->fMaxNormChi2NonCForHypothesis = 7.;
366 param->fMaxChi2 = 35.;
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
375 param->fMaxRoad = 6.;
378 param->fMaxChi2In = 16.;
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.;
388 param->fChi2PerCluster = 9.;
390 param->fSearchForExtras = kFALSE;
395 param->fSigmaXV = 0.0050;
396 param->fSigmaYV = 0.0050;
397 param->fSigmaZV = 0.0100;
399 param->fVertexCut = 25.;
401 param->fMaxDZforPrimTrk = 0.4;
402 param->fMaxDZToUseConstraint = 3.;
404 param->fMaxDforV0dghtrForProlongation = 30.;
405 param->fMaxDForProlongation = 40.;//10.;
406 param->fMaxDZForProlongation = 60.;//20.;
407 param->fMinPtForProlongation = 0.120;
409 param->fZWindowDeadZone = 2.0;
410 param->fSigmaXDeadZoneHit2 = 0.004/12.;
411 param->fSigmaZDeadZoneHit2 = 0.001/12.;
412 param->fXPassDeadZoneHits = 0.018;
415 param->fMultCutPxDrSPDin = 0.1;
416 param->fMultCutPxDrSPDout = 0.15;
417 param->fMultCutPxDz = 0.2;
418 param->fMultCutDCArz = 0.5;
419 param->fMultCutMinElectronProbTPC = 0.5;
420 param->fMultCutMinElectronProbESD = 0.1;
421 param->fMultCutMinP = 0.05;
422 param->fMultCutMinRGamma = 2.;
423 param->fMultCutMinRK0 = 1.;
424 param->fMultCutMinPointAngle = 0.98;
425 param->fMultCutMaxDCADauther = 0.5;
426 param->fMultCutMassGamma = 0.03;
427 param->fMultCutMassGammaNSigma = 5.;
428 param->fMultCutMassK0 = 0.03;
429 param->fMultCutMassK0NSigma = 5.;
430 param->fMultCutChi2cGamma = 2.;
431 param->fMultCutChi2cK0 = 2.;
432 param->fMultCutGammaSFromDecay = -10.;
433 param->fMultCutK0SFromDecay = -10.;
434 param->fMultCutMaxDCA = 1.;
438 //_____________________________________________________________________________
439 AliITSRecoParam *AliITSRecoParam::GetLowFluxParam()
442 // make default reconstruction parameters for low flux env.
444 AliITSRecoParam *param = new AliITSRecoParam();
445 param->SetVertexer3DDefaults();
447 // full use of bads from OCDB
448 param->SetUseBadZonesFromOCDB(kTRUE);
449 param->SetUseSingleBadChannelsFromOCDB(kTRUE);
450 // extended eta acceptance
451 param->SetExtendedEtaAcceptance(kTRUE);
452 // allow to skip layer if no cluster and no bad
453 param->SetAllowProlongationWithEmptyRoad(kTRUE);
455 param->SetEventSpecie(AliRecoParam::kLowMult);
457 param->fMaxSnp = 0.95;
459 param->fNSigmaYLayerForRoadY = 4.;
460 param->fNSigmaRoadY = 7.5;
461 param->fNSigmaZLayerForRoadZ = 4.;
462 param->fNSigmaRoadZ = 7.5;
464 param->fNSigma2RoadZC = 60.; //7.75^2
465 param->fNSigma2RoadYC = 60.; //7.75^2
466 param->fNSigma2RoadZNonC = 50.; //7.07^2
467 param->fNSigma2RoadYNonC = 50.; //7.07^2
469 param->fMaxChi2PerCluster[0] = 11.; //7
470 param->fMaxChi2PerCluster[1] = 12.; //5
471 param->fMaxChi2PerCluster[2] = 12.; //8
472 param->fMaxChi2PerCluster[3] = 5.; //8
473 param->fMaxChi2PerCluster[4] = 12.; //6.5
475 param->fMaxNormChi2NonC[0] = 7.;
476 param->fMaxNormChi2NonC[1] = 8.;
477 param->fMaxNormChi2NonC[2] = 8.;
478 param->fMaxNormChi2NonC[3] = 11.;
479 param->fMaxNormChi2NonC[4] = 14.;
480 param->fMaxNormChi2NonC[5] = 25.;
482 param->fMaxNormChi2C[0] = 11.;
483 param->fMaxNormChi2C[1] = 13.;
484 param->fMaxNormChi2C[2] = 15.;
485 param->fMaxNormChi2C[3] = 18.;
486 param->fMaxNormChi2C[4] = 30.;
487 param->fMaxNormChi2C[5] = 35.;
489 param->fMaxNormChi2NonCForHypothesis = 7.;
491 param->fMaxChi2 = 35.;
493 param->fMaxChi2s[0] = 25.; //40
494 param->fMaxChi2s[1] = 25.; //40
495 param->fMaxChi2s[2] = 25.; //40
496 param->fMaxChi2s[3] = 25.; //40
497 param->fMaxChi2s[4] = 40.; //40
498 param->fMaxChi2s[5] = 50.; //40
500 param->fMaxRoad = 6.;
503 param->fMaxChi2In = 16.;
505 param->fMaxChi2sR[0] = 10.;
506 param->fMaxChi2sR[1] = 10.;
507 param->fMaxChi2sR[2] = 10.;
508 param->fMaxChi2sR[3] = 10.;
509 param->fMaxChi2sR[4] = 30.;
510 param->fMaxChi2sR[5] = 40.;
512 param->fChi2PerCluster = 9.;
518 param->fSigmaXV = 0.0050;
519 param->fSigmaYV = 0.0050;
520 param->fSigmaZV = 0.0100;
522 param->fVertexCut = 25.;
524 param->fMaxDZforPrimTrk = 0.4;
525 param->fMaxDZToUseConstraint = 3.;
527 param->fMaxDforV0dghtrForProlongation = 30.;
528 param->fMaxDForProlongation = 40.;//10.;
529 param->fMaxDZForProlongation = 60.;//20.;
530 param->fMinPtForProlongation = 0.120;
532 param->fZWindowDeadZone = 2.0;
533 param->fSigmaXDeadZoneHit2 = 0.004/12.;
534 param->fSigmaZDeadZoneHit2 = 0.001/12.;
535 param->fXPassDeadZoneHits = 0.018;
536 param->SetNLoopsSA(20);
537 param->fMaxPhiSA = 0.07;
538 param->fMaxLambdaSA = 0.04;
541 param->GetESDV0Params()->SetMinRTgl0(0.5);
542 param->GetESDV0Params()->SetMaxDist(1.5);
543 param->GetESDV0Params()->SetMaxDcaLh0(1.5);
544 param->GetESDV0Params()->SetMaxRBestConst(80);
545 param->GetESDV0Params()->SetMinPABestConst(0.99);
546 param->GetESDV0Params()->SetMinNormDistForbTgl0(1.);
547 param->GetESDV0Params()->SetMinNormDistForb1(2.);
548 param->GetESDV0Params()->SetMinNormDistForbProt(1.);
549 param->GetESDV0Params()->SetMaxPidProbPionForb(0.7);
550 param->GetESDV0Params()->SetLikelihood01Cut(0.3);
551 param->GetESDV0Params()->SetLikelihood1Cut(0.35);
552 param->GetESDV0Params()->SetCombinedCut(0.4);
555 param->fMultCutPxDrSPDin = 0.1;
556 param->fMultCutPxDrSPDout = 0.15;
557 param->fMultCutPxDz = 0.2;
558 param->fMultCutDCArz = 0.5;
559 param->fMultCutMinElectronProbTPC = 0.5;
560 param->fMultCutMinElectronProbESD = 0.1;
561 param->fMultCutMinP = 0.05;
562 param->fMultCutMinRGamma = 2.;
563 param->fMultCutMinRK0 = 1.;
564 param->fMultCutMinPointAngle = 0.98;
565 param->fMultCutMaxDCADauther = 0.5;
566 param->fMultCutMassGamma = 0.03;
567 param->fMultCutMassGammaNSigma = 5.;
568 param->fMultCutMassK0 = 0.03;
569 param->fMultCutMassK0NSigma = 5.;
570 param->fMultCutChi2cGamma = 2.;
571 param->fMultCutChi2cK0 = 2.;
572 param->fMultCutGammaSFromDecay = -10.;
573 param->fMultCutK0SFromDecay = -10.;
574 param->fMultCutMaxDCA = 1.;
579 //_____________________________________________________________________________
580 AliITSRecoParam *AliITSRecoParam::GetCosmicTestParam()
583 // make default reconstruction parameters for cosmics
585 AliITSRecoParam *param = new AliITSRecoParam();
587 // vertexer for cosmics
588 param->SetVertexer(2);
590 param->SetClusterErrorsParam(2);
591 param->SetFindV0s(kFALSE);
592 param->SetAddVirtualClustersInDeadZone(kFALSE);
593 param->SetUseAmplitudeInfo(kFALSE);
596 param->SetEventSpecie(AliRecoParam::kCosmic);
598 // full use of bads from OCDB
599 param->SetUseBadZonesFromOCDB(kTRUE);
600 param->SetUseSingleBadChannelsFromOCDB(kTRUE);
602 // find independently ITS SA tracks
603 param->SetSAUseAllClusters();
604 param->SetOuterStartLayerSA(AliITSgeomTGeo::GetNLayers()-2);
606 //****** COSMICS 2009 (same as COSMICS 2008) *********************
608 // to maximize efficiency
609 param->SetAllowProlongationWithEmptyRoad();
610 param->SetMinNPointsSA(2);
612 // larger seach windows for SA (in case of large misalignments)
613 param->SetNLoopsSA(33);
614 param->SetFactorSAWindowSizes(20);
616 // additional error due to misal (B off)
617 param->SetClusterMisalErrorY(1.0,1.0,1.0,1.0,1.0,1.0); // [cm]
618 param->SetClusterMisalErrorZ(1.0,1.0,1.0,1.0,1.0,1.0); // [cm]
619 // additional error due to misal (B on)
620 param->SetClusterMisalErrorYBOn(0.0,0.0,0.1,0.1,0.1,0.1); // [cm]
621 param->SetClusterMisalErrorZBOn(0.1,0.1,0.1,0.1,0.1,0.1); // [cm]
625 param->fUseSDDCorrectionMaps = kFALSE;
626 param->fUseSDDClusterSizeSelection=kTRUE;
627 param->fMinClusterChargeSDD=30.;
630 // alignment data filter
631 param->SetAlignFilterCosmics(kTRUE);
632 param->SetAlignFilterCosmicMergeTracks(kTRUE);
633 param->SetAlignFilterMinITSPoints(1);
634 param->SetAlignFilterMinITSPointsMerged(3);
635 param->SetAlignFilterOnlyITSSATracks(kTRUE);
636 param->SetAlignFilterOnlyITSTPCTracks(kFALSE);
637 param->SetAlignFilterSkipExtra(kFALSE);
638 param->SetAlignFilterMaxMatchingAngle(0.085/*5deg*/);
639 param->SetAlignFilterMinPt(0.2);
640 param->SetAlignFilterMaxPt(1.e10);
641 param->SetAlignFilterFillQANtuples(kTRUE);
643 //******************************************************************
645 param->fMaxSnp = 0.95;
647 param->fNSigmaYLayerForRoadY = 4.;
648 param->fNSigmaRoadY = 7.5;
649 param->fNSigmaZLayerForRoadZ = 4.;
650 param->fNSigmaRoadZ = 7.5;
652 param->fNSigma2RoadZC = 60.; //7.75^2
653 param->fNSigma2RoadYC = 60.; //7.75^2
654 param->fNSigma2RoadZNonC = 50.; //7.07^2
655 param->fNSigma2RoadYNonC = 50.; //7.07^2
657 param->fMaxChi2PerCluster[0] = 11.; //7
658 param->fMaxChi2PerCluster[1] = 12.; //5
659 param->fMaxChi2PerCluster[2] = 12.; //8
660 param->fMaxChi2PerCluster[3] = 5.; //8
661 param->fMaxChi2PerCluster[4] = 12.; //6.5
663 param->fMaxNormChi2NonC[0] = 7.;
664 param->fMaxNormChi2NonC[1] = 8.;
665 param->fMaxNormChi2NonC[2] = 8.;
666 param->fMaxNormChi2NonC[3] = 11.;
667 param->fMaxNormChi2NonC[4] = 14.;
668 param->fMaxNormChi2NonC[5] = 25.;
670 param->fMaxNormChi2C[0] = 11.;
671 param->fMaxNormChi2C[1] = 13.;
672 param->fMaxNormChi2C[2] = 15.;
673 param->fMaxNormChi2C[3] = 18.;
674 param->fMaxNormChi2C[4] = 30.;
675 param->fMaxNormChi2C[5] = 35.;
677 param->fMaxNormChi2NonCForHypothesis = 7.;
679 param->fMaxChi2 = 35.;
681 param->fMaxChi2s[0] = 25.; //40
682 param->fMaxChi2s[1] = 25.; //40
683 param->fMaxChi2s[2] = 25.; //40
684 param->fMaxChi2s[3] = 25.; //40
685 param->fMaxChi2s[4] = 40.; //40
686 param->fMaxChi2s[5] = 50.; //40
688 param->fMaxRoad = 6.;
691 param->fMaxChi2In = 16.;
693 param->fMaxChi2sR[0] = 10.;
694 param->fMaxChi2sR[1] = 10.;
695 param->fMaxChi2sR[2] = 10.;
696 param->fMaxChi2sR[3] = 10.;
697 param->fMaxChi2sR[4] = 30.;
698 param->fMaxChi2sR[5] = 40.;
700 param->fChi2PerCluster = 9.;
706 param->fSigmaXV = 0.0050;
707 param->fSigmaYV = 0.0050;
708 param->fSigmaZV = 0.0100;
710 param->fVertexCut = 25.;
712 param->fMaxDZforPrimTrk = 0.4;
713 param->fMaxDZToUseConstraint = 3.;
715 param->fMaxDforV0dghtrForProlongation = 30.;
716 param->fMaxDForProlongation = 10.;
717 param->fMaxDZForProlongation = 20.;
718 param->fMinPtForProlongation = 0.120;
720 param->fZWindowDeadZone = 2.0;
721 param->fSigmaXDeadZoneHit2 = 0.004/12.;
722 param->fSigmaZDeadZoneHit2 = 0.001/12.;
723 param->fXPassDeadZoneHits = 0.018;
727 //_____________________________________________________________________________
728 AliITSRecoParam *AliITSRecoParam::GetPlaneEffParam(Int_t i)
731 // make special reconstruction parameters for Plane Efficiency study on layer i (0,5)
733 // if i=-1, then the evaluation for both pixel layers is tried with the tracklet method
735 if (i<-1 || i>=AliITSgeomTGeo::kNLayers) {
736 printf("AliITSRecoParam::GetPlaneEffParam: index of ITS Plane nor in the range [0,5] neither =-1\n");
737 printf("returning null pointer");
740 if(i>=0) { // Method using tracks (remove given plane from tracking)
741 AliITSRecoParam *param;
742 param = GetLowFluxParam();
743 param->SetClusterErrorsParam(2);
744 // find independently ITS SA tracks
745 param->SetSAUseAllClusters();
746 param->SetOuterStartLayerSA(2);
747 param->SetAllowProlongationWithEmptyRoad(kTRUE);
748 // larger seach windows for SA (in case of large misalignments)
749 param->SetFactorSAWindowSizes(2);
751 // Misalignment syst errors decided at ITS meeting 25.03.2010
752 // additional error due to misal (B off)
753 param->SetClusterMisalErrorY(0.0010,0.0010,0.0300,0.0300,0.0020,0.0020); // [cm]
754 param->SetClusterMisalErrorZ(0.0100,0.0100,0.0100,0.0100,0.0500,0.0500); // [cm]
755 // additional error due to misal (B on)
756 param->SetClusterMisalErrorYBOn(0.0010,0.0030,0.0500,0.0500,0.0020,0.0020); // [cm]
757 param->SetClusterMisalErrorZBOn(0.0100,0.0100,0.0100,0.0100,0.0500,0.0500); // [cm]
761 param->SetUseSDDCorrectionMaps(kTRUE); // changed 30.04.2010
762 param->SetUseSDDClusterSizeSelection(kTRUE);
763 param->SetMinClusterChargeSDD(30.);
764 param->SetUseUnfoldingInClusterFinderSDD(kFALSE);
766 param->SetComputePlaneEff();
767 param->SetLayerToSkip(i);
768 param->SetIPlanePlaneEff(i);
769 param->fNSigXFromBoundaryPlaneEff= 1.;
770 param->fNSigZFromBoundaryPlaneEff= 1.;
771 // optimized setting for SPD0 (i==0)
773 param->fMinPtPlaneEff = 0.200; // high pt particles
774 param->fMaxMissingClustersPlaneEff = 2; // at most 2 layers out of 5 without cluster
775 param->fMaxMissingClustersOutPlaneEff = 2; // at most 2 layers out of 5 external ones without cluster
776 param->fRequireClusterInOuterLayerPlaneEff = kTRUE; // cluster on SPD1 must be
777 //param->fOnlyConstraintPlaneEff = kTRUE;
780 param->fMinPtPlaneEff = 0.200; // high pt particles
781 param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
782 param->fMaxMissingClustersOutPlaneEff = 2; // at most 2 layer out of 4 external ones without cluster
783 //param->fRequireClusterInOuterLayerPlaneEff = kTRUE; // cluster on SSD1 must be
786 param->fMinPtPlaneEff = 0.200; // high pt particles
787 param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
788 param->fMaxMissingClustersOutPlaneEff = 2; // at most 2 layer out of 3 external ones without cluster
789 //param->fRequireClusterInOuterLayerPlaneEff = kTRUE;
790 //param->fOnlyConstraintPlaneEff = kTRUE;
793 param->fMinPtPlaneEff = 0.200; // high pt particles
794 param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
795 param->fMaxMissingClustersOutPlaneEff = 1; // at most 1 layer out of 2 external ones without cluster
798 param->fMinPtPlaneEff = 0.200; // high pt particles
799 param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
800 param->fMaxMissingClustersOutPlaneEff = 1; // at most 1 layer out of 1 external ones without cluster
801 // param->fRequireClusterInOuterLayerPlaneEff = kTRUE;
802 //param->fOnlyConstraintPlaneEff = kTRUE;
805 param->fMinPtPlaneEff = 0.200; // high pt particles
806 param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
811 else if (i==-1) { // Method using tracklets
812 AliITSRecoParam *param;
813 param = GetLowFluxParam();
814 param->SetIPlanePlaneEff(i);
815 param->SetComputePlaneEff(kTRUE,kFALSE);
816 param->SetUseTrackletsPlaneEff(kTRUE);
817 param->SetTrackleterPhiWindowL2(0.07);
818 param->SetTrackleterZetaWindowL2(0.4);
819 param->SetTrackleterPhiWindowL1(0.10);
820 param->SetTrackleterZetaWindowL1(0.6);
821 param->SetUpdateOncePerEventPlaneEff(kTRUE);
822 param->SetMinContVtxPlaneEff(3);
826 AliErrorGeneral("AliITSRecoParam",Form("Unrecognised value of i %d\n",i));
831 //_____________________________________________________________________________
832 void AliITSRecoParam::SetLayersParameters()
835 // number of layers and layers spatial resolutions
838 // spatial resolutions of the detectors
839 // y: 12 12 38 38 20 20 micron
842 fSigmaY2[2]=1.444e-5;
843 fSigmaY2[3]=1.444e-5;
846 // z: 120 120 28 28 830 830 micron
851 fSigmaZ2[4]=6.889e-3;
852 fSigmaZ2[5]=6.889e-3;
856 //_____________________________________________________________________________
857 void AliITSRecoParam::PrintParameters() const
863 printf("============================= AliITSRecoParam::PrintParameters ");
864 printf("============================= \n\n");
865 for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) {
866 if(!fLayersToSkip[i]) {
867 printf("ITS Traking: using layer %d\n",i);
869 printf("ITS Traking: skipping layer %d\n",i);
872 for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) {
873 if(fUseAmplitudeInfo[i]) {
874 printf("ITS Traking: use amplitude info for layer %d\n",i);
876 printf("ITS Traking: don't use amplitude info for layer %d\n",i);
879 for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++)
880 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]);