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"
17 #include "AliESDV0Params.h"
22 ///////////////////////////////////////////////////////////////////////////////
24 // Class with ITS reconstruction parameters //
25 // Origin: andrea.dainese@lnl.infn.it //
27 ///////////////////////////////////////////////////////////////////////////////
31 ClassImp(AliITSRecoParam)
33 const Int_t AliITSRecoParam::fgkLayersNotToSkip[AliITSgeomTGeo::kNLayers]={0,0,0,0,0,0};
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=3.5;
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;
61 const Double_t AliITSRecoParam::fgkSPDdetxlength=1.298;
63 //_____________________________________________________________________________
64 AliITSRecoParam::AliITSRecoParam() : AliDetectorRecoParam(),
71 fVtxr3DZCutNarrow(0.),
72 fVtxr3DRCutNarrow(0.),
73 fVtxr3DPhiCutLoose(0.),
74 fVtxr3DPhiCutTight(0.),
77 fVtxr3DHighMultAlgo(1),
79 fNSigmaYLayerForRoadY(0),
81 fNSigmaZLayerForRoadZ(0),
88 fMaxNormChi2NonCForHypothesis(0),
93 fSearchForExtras(kTRUE),
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(0.),
137 fNSigZFromBoundaryPlaneEff(0.),
138 fDistXFromBoundaryPlaneEff(0.),
139 fDistZFromBoundaryPlaneEff(0.),
140 fSwitchOnMaxDistNSigFrmBndPlaneEff(kFALSE),
141 fSwitchOffStdSearchClusPlaneEff(kFALSE),
142 fNSigXSearchClusterPlaneEff(0.),
143 fNSigZSearchClusterPlaneEff(0.),
144 fDistXSearchClusterPlaneEff(0.),
145 fDistZSearchClusterPlaneEff(0.),
146 fSwitchOnMaxDistNSigSrhClusPlaneEff(kFALSE),
147 fDCACutPlaneEff(999.),
148 fVertexChi2CutPlaneEff(999999999.),
149 fImproveWithVertex(kFALSE),
150 fExtendedEtaAcceptance(kFALSE),
151 fUseBadZonesFromOCDB(kTRUE),
152 fUseSingleBadChannelsFromOCDB(kFALSE),
153 fMinFractionOfBadInRoad(0),
154 fAllowProlongationWithEmptyRoad(kFALSE),
155 fInwardFlagSA(kFALSE),
156 fOuterStartLayerSA(2),
157 fInnerStartLayerSA(3),
159 fFactorSAWindowSizes(1.),
165 fMinClusterChargeSA(0.),
166 fSAOnePointTracks(kFALSE),
167 fSAUseAllClusters(kFALSE),
168 fMaxSPDcontrForSAToUseAllClusters(1000000),
169 fSAUsedEdxInfo(kFALSE),
170 fSelectBestMIP03(kFALSE),
172 fUseImproveKalman(kFALSE),
174 fStoreLikeSignV0s(kFALSE),
175 fUseUnfoldingInClusterFinderSPD(kFALSE),
176 fUseUnfoldingInClusterFinderSDD(kTRUE),
177 fUseUnfoldingInClusterFinderSSD(kFALSE),
178 fUseBadChannelsInClusterFinderSSD(kFALSE),
179 fUseSDDCorrectionMaps(kTRUE),
180 fUseSDDClusterSizeSelection(kFALSE),
181 fMinClusterChargeSDD(0.),
182 fUseChargeMatchingInClusterFinderSSD(kTRUE),
183 fTrackleterPhiWindow(0.08),
184 fTrackleterThetaWindow(0.025),
185 fTrackleterPhiShift(0.0045),
186 fTrackleterRemoveClustersFromOverlaps(kFALSE),
187 fTrackleterPhiOverlapCut(0.005),
188 fTrackleterZetaOverlapCut(0.05),
189 fTrackleterPhiRotationAngle(0.0),
190 fTrackleterNStdDev(1.5),
191 fScaleDTBySin2T(kFALSE),
192 fTrackleterStoreSPD2SingleCl(kFALSE),
193 fTrackleterBuildCl2TrkRefs(kTRUE),
195 fUseCosmicRunShiftsSSD(kFALSE),
196 fSPDRemoveNoisyFlag(kTRUE),
197 fSPDRemoveDeadFlag(kTRUE),
198 fVertexerFastSmearX(0.005),
199 fVertexerFastSmearY(0.005),
200 fVertexerFastSmearZ(0.01),
201 fAlignFilterCosmics(kFALSE),
202 fAlignFilterCosmicMergeTracks(kTRUE),
203 fAlignFilterMinITSPoints(4),
204 fAlignFilterMinITSPointsMerged(4),
205 fAlignFilterOnlyITSSATracks(kTRUE),
206 fAlignFilterOnlyITSTPCTracks(kFALSE),
207 fAlignFilterSkipExtra(kFALSE),
208 fAlignFilterMaxMatchingAngle(0.085),
209 fAlignFilterMinAngleWrtModulePlanes(0.52),
210 fAlignFilterMinPt(0.),
211 fAlignFilterMaxPt(1.e10),
212 fAlignFilterFillQANtuples(kTRUE),
214 fMultCutPxDrSPDin(0.1),
215 fMultCutPxDrSPDout(0.15),
218 fMultCutMinElectronProbTPC(0.5),
219 fMultCutMinElectronProbESD(0.1),
221 fMultCutMinRGamma(2.),
223 fMultCutMinPointAngle(0.98),
224 fMultCutMaxDCADauther(0.5),
225 fMultCutMassGamma(0.03),
226 fMultCutMassGammaNSigma(5.),
227 fMultCutMassK0(0.03),
228 fMultCutMassK0NSigma(5.),
229 fMultCutChi2cGamma(2.),
231 fMultCutGammaSFromDecay(-10.),
232 fMultCutK0SFromDecay(-10.),
235 fCorrectLorentzAngleSPD(kTRUE),
236 fTanLorentzAngleHolesSPD(0.017455), // tan(1 degree)
237 fCorrectLorentzAngleSSD(kTRUE),
238 fTanLorentzAngleHolesSSD(0.016), // tan(0.94 degrees)
239 fTanLorentzAngleElectronsSSD(0.068), // tan(3.98 degrees)
250 SetLayersParameters();
251 for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) fLayersToSkip[i]=0;
252 SetUseTGeoInTracker(3);
254 SetAllowSharedClusters(kTRUE);
256 SetAddVirtualClustersInDeadZone(kFALSE);
257 SetUseAmplitudeInfo(kTRUE);
258 SetClusterErrorsParam(1);
259 SetClusterMisalError(0.);
260 SetClusterMisalErrorBOn(0.);
261 SetVertexer3DDefaults();
263 for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) fAlignFilterUseLayer[i]=kTRUE;
264 fESDV0Params = new AliESDV0Params();
266 fESDV0Params->SetMaxDist0(0.1);
267 fESDV0Params->SetMaxDist1(0.1);
268 fESDV0Params->SetMaxDist(1.);
269 fESDV0Params->SetMinPointAngle(0.85);
270 fESDV0Params->SetMinPointAngle2(0.99);
271 fESDV0Params->SetMinR(0.5);
272 fESDV0Params->SetMaxR(220.);
273 fESDV0Params->SetMinPABestConst(0.9999);
274 fESDV0Params->SetMaxRBestConst(10.);
275 fESDV0Params->SetCausality0Cut(0.19);
276 fESDV0Params->SetLikelihood01Cut(0.45);
277 fESDV0Params->SetLikelihood1Cut(0.5);
278 fESDV0Params->SetCombinedCut(0.55);
279 fESDV0Params->SetMinClFullTrk(5.0);
280 fESDV0Params->SetMinTgl0(1.05);
281 fESDV0Params->SetMinRTgl0(40.0);
283 fESDV0Params->SetMinNormDistForbTgl0(3.0);
284 fESDV0Params->SetMinClForb0(4.5);
285 fESDV0Params->SetMinNormDistForb1(3.0);
286 fESDV0Params->SetMinNormDistForb2(2.0);
287 fESDV0Params->SetMinNormDistForb3(1.0);
288 fESDV0Params->SetMinNormDistForb4(4.0);
289 fESDV0Params->SetMinNormDistForb5(5.0);
290 fESDV0Params->SetMinNormDistForbProt(2.0);
291 fESDV0Params->SetMaxPidProbPionForb(0.5);
293 fESDV0Params->SetMinRTPCdensity(40.);
294 fESDV0Params->SetMaxRTPCdensity0(110.);
295 fESDV0Params->SetMaxRTPCdensity10(120.);
296 fESDV0Params->SetMaxRTPCdensity20(130.);
297 fESDV0Params->SetMaxRTPCdensity30(140.);
299 fESDV0Params->SetMinTPCdensity(0.6);
300 fESDV0Params->SetMinTgl1(1.1);
301 fESDV0Params->SetMinTgl2(1.0);
302 fESDV0Params->SetMinchi2before0(16.);
303 fESDV0Params->SetMinchi2before1(16.);
304 fESDV0Params->SetMinchi2after0(16.);
305 fESDV0Params->SetMinchi2after1(16.);
306 fESDV0Params->SetAddchi2SharedCl(18.);
307 fESDV0Params->SetAddchi2NegCl0(25.);
308 fESDV0Params->SetAddchi2NegCl1(30.);
309 fESDV0Params->SetSigp0Par0(0.0001);
310 fESDV0Params->SetSigp0Par1(0.001);
311 fESDV0Params->SetSigp0Par2(0.1);
312 fESDV0Params->SetSigpPar0(0.5);
313 fESDV0Params->SetSigpPar1(0.6);
314 fESDV0Params->SetSigpPar2(0.4);
315 fESDV0Params->SetMaxDcaLh0(0.5);
316 fESDV0Params->SetStreamLevel(0);
317 fESDV0Params->SetChi2KF(100);
318 fESDV0Params->SetRobustChi2KF(100);
321 //_____________________________________________________________________________
322 AliITSRecoParam::~AliITSRecoParam()
332 //_____________________________________________________________________________
333 AliITSRecoParam *AliITSRecoParam::GetHighFluxParam()
336 // make default reconstruction parameters for hig flux env.
338 AliITSRecoParam *param = new AliITSRecoParam();
339 param->SetVertexer3DDefaults();
340 param->SetSPDVertexerPileupAlgoOff();
341 // use of bads from OCDB
342 param->SetUseBadZonesFromOCDB(kTRUE);
343 param->SetUseSingleBadChannelsFromOCDB(kFALSE);
344 // use pointing to vertex during prolongation
345 param->SetImproveWithVertex(kTRUE);
346 // extended eta acceptance
347 param->SetExtendedEtaAcceptance(kFALSE);
348 // allow to skip layer if no cluster and no bad
349 param->SetAllowProlongationWithEmptyRoad(kFALSE);
351 param->SetEventSpecie(AliRecoParam::kHighMult);
353 param->fMaxSnp = 0.95;
355 param->fNSigmaYLayerForRoadY = 4.;
356 param->fNSigmaRoadY = 7.5;
357 param->fNSigmaZLayerForRoadZ = 4.;
358 param->fNSigmaRoadZ = 7.5;
360 param->fNSigma2RoadZC = 60.; //7.75^2
361 param->fNSigma2RoadYC = 60.; //7.75^2
362 param->fNSigma2RoadZNonC = 50.; //7.07^2
363 param->fNSigma2RoadYNonC = 50.; //7.07^2
365 param->fMaxChi2PerCluster[0] = 11.; //7
366 param->fMaxChi2PerCluster[1] = 12.; //5
367 param->fMaxChi2PerCluster[2] = 12.; //8
368 param->fMaxChi2PerCluster[3] = 5.; //8
369 param->fMaxChi2PerCluster[4] = 12.; //6.5
371 param->fMaxNormChi2NonC[0] = 7.;
372 param->fMaxNormChi2NonC[1] = 8.;
373 param->fMaxNormChi2NonC[2] = 8.;
374 param->fMaxNormChi2NonC[3] = 11.;
375 param->fMaxNormChi2NonC[4] = 14.;
376 param->fMaxNormChi2NonC[5] = 25.;
378 param->fMaxNormChi2C[0] = 11.;
379 param->fMaxNormChi2C[1] = 13.;
380 param->fMaxNormChi2C[2] = 15.;
381 param->fMaxNormChi2C[3] = 18.;
382 param->fMaxNormChi2C[4] = 30.;
383 param->fMaxNormChi2C[5] = 35.;
385 param->fMaxNormChi2NonCForHypothesis = 7.;
387 param->fMaxChi2 = 35.;
389 param->fMaxChi2s[0] = 25.; //40
390 param->fMaxChi2s[1] = 25.; //40
391 param->fMaxChi2s[2] = 25.; //40
392 param->fMaxChi2s[3] = 25.; //40
393 param->fMaxChi2s[4] = 40.; //40
394 param->fMaxChi2s[5] = 50.; //40
396 param->fMaxRoad = 6.;
399 param->fMaxChi2In = 16.;
401 param->fMaxChi2sR[0] = 10.;
402 param->fMaxChi2sR[1] = 10.;
403 param->fMaxChi2sR[2] = 10.;
404 param->fMaxChi2sR[3] = 10.;
405 param->fMaxChi2sR[4] = 30.;
406 param->fMaxChi2sR[5] = 40.;
409 param->fChi2PerCluster = 9.;
411 param->fSearchForExtras = kFALSE;
416 param->fSigmaXV = 0.0050;
417 param->fSigmaYV = 0.0050;
418 param->fSigmaZV = 0.0100;
420 param->fVertexCut = 25.;
422 param->fMaxDZforPrimTrk = 0.4;
423 param->fMaxDZToUseConstraint = 3.;
425 param->fMaxDforV0dghtrForProlongation = 30.;
426 param->fMaxDForProlongation = 40.;//10.;
427 param->fMaxDZForProlongation = 60.;//20.;
428 param->fMinPtForProlongation = 0.120;
430 param->fZWindowDeadZone = 2.0;
431 param->fSigmaXDeadZoneHit2 = 0.004/12.;
432 param->fSigmaZDeadZoneHit2 = 0.001/12.;
433 param->fXPassDeadZoneHits = 0.018;
436 param->fMultCutPxDrSPDin = 0.1;
437 param->fMultCutPxDrSPDout = 0.15;
438 param->fMultCutPxDz = 0.2;
439 param->fMultCutDCArz = 0.5;
440 param->fMultCutMinElectronProbTPC = 0.5;
441 param->fMultCutMinElectronProbESD = 0.1;
442 param->fMultCutMinP = 0.05;
443 param->fMultCutMinRGamma = 2.;
444 param->fMultCutMinRK0 = 1.;
445 param->fMultCutMinPointAngle = 0.98;
446 param->fMultCutMaxDCADauther = 0.5;
447 param->fMultCutMassGamma = 0.03;
448 param->fMultCutMassGammaNSigma = 5.;
449 param->fMultCutMassK0 = 0.03;
450 param->fMultCutMassK0NSigma = 5.;
451 param->fMultCutChi2cGamma = 2.;
452 param->fMultCutChi2cK0 = 2.;
453 param->fMultCutGammaSFromDecay = -10.;
454 param->fMultCutK0SFromDecay = -10.;
455 param->fMultCutMaxDCA = 1.;
458 param->fTrackleterPhiWindow = 0.06;
459 param->fTrackleterBuildCl2TrkRefs = kFALSE;
460 param->fScaleDTBySin2T = kTRUE;
462 param->fSelectBestMIP03 = kFALSE;//kTRUE;
463 param->fFlagFakes = kTRUE;
464 param->fUseImproveKalman= kFALSE;
468 //_____________________________________________________________________________
469 AliITSRecoParam *AliITSRecoParam::GetLowFluxParam()
472 // make default reconstruction parameters for low flux env.
474 AliITSRecoParam *param = new AliITSRecoParam();
475 param->SetVertexer3DDefaults();
477 // full use of bads from OCDB
478 param->SetUseBadZonesFromOCDB(kTRUE);
479 param->SetUseSingleBadChannelsFromOCDB(kTRUE);
480 // extended eta acceptance
481 param->SetExtendedEtaAcceptance(kTRUE);
482 // allow to skip layer if no cluster and no bad
483 param->SetAllowProlongationWithEmptyRoad(kTRUE);
485 param->SetEventSpecie(AliRecoParam::kLowMult);
487 param->fMaxSnp = 0.95;
489 param->fNSigmaYLayerForRoadY = 4.;
490 param->fNSigmaRoadY = 7.5;
491 param->fNSigmaZLayerForRoadZ = 4.;
492 param->fNSigmaRoadZ = 7.5;
494 param->fNSigma2RoadZC = 60.; //7.75^2
495 param->fNSigma2RoadYC = 60.; //7.75^2
496 param->fNSigma2RoadZNonC = 50.; //7.07^2
497 param->fNSigma2RoadYNonC = 50.; //7.07^2
499 param->fMaxChi2PerCluster[0] = 11.; //7
500 param->fMaxChi2PerCluster[1] = 12.; //5
501 param->fMaxChi2PerCluster[2] = 12.; //8
502 param->fMaxChi2PerCluster[3] = 5.; //8
503 param->fMaxChi2PerCluster[4] = 12.; //6.5
505 param->fMaxNormChi2NonC[0] = 7.;
506 param->fMaxNormChi2NonC[1] = 8.;
507 param->fMaxNormChi2NonC[2] = 8.;
508 param->fMaxNormChi2NonC[3] = 11.;
509 param->fMaxNormChi2NonC[4] = 14.;
510 param->fMaxNormChi2NonC[5] = 25.;
512 param->fMaxNormChi2C[0] = 11.;
513 param->fMaxNormChi2C[1] = 13.;
514 param->fMaxNormChi2C[2] = 15.;
515 param->fMaxNormChi2C[3] = 18.;
516 param->fMaxNormChi2C[4] = 30.;
517 param->fMaxNormChi2C[5] = 35.;
519 param->fMaxNormChi2NonCForHypothesis = 7.;
521 param->fMaxChi2 = 35.;
523 param->fMaxChi2s[0] = 25.; //40
524 param->fMaxChi2s[1] = 25.; //40
525 param->fMaxChi2s[2] = 25.; //40
526 param->fMaxChi2s[3] = 25.; //40
527 param->fMaxChi2s[4] = 40.; //40
528 param->fMaxChi2s[5] = 50.; //40
530 param->fMaxRoad = 6.;
533 param->fMaxChi2In = 16.;
535 param->fMaxChi2sR[0] = 10.;
536 param->fMaxChi2sR[1] = 10.;
537 param->fMaxChi2sR[2] = 10.;
538 param->fMaxChi2sR[3] = 10.;
539 param->fMaxChi2sR[4] = 30.;
540 param->fMaxChi2sR[5] = 40.;
542 param->fChi2PerCluster = 9.;
548 param->fSigmaXV = 0.0050;
549 param->fSigmaYV = 0.0050;
550 param->fSigmaZV = 0.0100;
552 param->fVertexCut = 25.;
554 param->fMaxDZforPrimTrk = 0.4;
555 param->fMaxDZToUseConstraint = 3.;
557 param->fMaxDforV0dghtrForProlongation = 30.;
558 param->fMaxDForProlongation = 40.;//10.;
559 param->fMaxDZForProlongation = 60.;//20.;
560 param->fMinPtForProlongation = 0.120;
562 param->fZWindowDeadZone = 2.0;
563 param->fSigmaXDeadZoneHit2 = 0.004/12.;
564 param->fSigmaZDeadZoneHit2 = 0.001/12.;
565 param->fXPassDeadZoneHits = 0.018;
566 param->SetNLoopsSA(20);
567 param->fMaxPhiSA = 0.07;
568 param->fMaxLambdaSA = 0.04;
570 param->GetESDV0Params()->SetMinRTgl0(0.5);
571 param->GetESDV0Params()->SetMaxDist(1.5);
572 param->GetESDV0Params()->SetMaxDcaLh0(1.5);
573 param->GetESDV0Params()->SetMaxRBestConst(80);
574 param->GetESDV0Params()->SetMinPABestConst(0.99);
575 param->GetESDV0Params()->SetMinNormDistForbTgl0(1.);
576 param->GetESDV0Params()->SetMinNormDistForb1(2.);
577 param->GetESDV0Params()->SetMinNormDistForbProt(1.);
578 param->GetESDV0Params()->SetMaxPidProbPionForb(0.7);
579 param->GetESDV0Params()->SetLikelihood01Cut(0.3);
580 param->GetESDV0Params()->SetLikelihood1Cut(0.35);
581 param->GetESDV0Params()->SetCombinedCut(0.4);
584 param->fTrackleterBuildCl2TrkRefs = kTRUE;
587 param->fMultCutPxDrSPDin = 0.1;
588 param->fMultCutPxDrSPDout = 0.15;
589 param->fMultCutPxDz = 0.2;
590 param->fMultCutDCArz = 0.5;
591 param->fMultCutMinElectronProbTPC = 0.5;
592 param->fMultCutMinElectronProbESD = 0.1;
593 param->fMultCutMinP = 0.05;
594 param->fMultCutMinRGamma = 2.;
595 param->fMultCutMinRK0 = 1.;
596 param->fMultCutMinPointAngle = 0.98;
597 param->fMultCutMaxDCADauther = 0.5;
598 param->fMultCutMassGamma = 0.03;
599 param->fMultCutMassGammaNSigma = 5.;
600 param->fMultCutMassK0 = 0.03;
601 param->fMultCutMassK0NSigma = 5.;
602 param->fMultCutChi2cGamma = 2.;
603 param->fMultCutChi2cK0 = 2.;
604 param->fMultCutGammaSFromDecay = -10.;
605 param->fMultCutK0SFromDecay = -10.;
606 param->fMultCutMaxDCA = 1.;
611 //_____________________________________________________________________________
612 AliITSRecoParam *AliITSRecoParam::GetCosmicTestParam()
615 // make default reconstruction parameters for cosmics
617 AliITSRecoParam *param = new AliITSRecoParam();
619 // vertexer for cosmics
620 param->SetVertexer(2);
622 param->SetClusterErrorsParam(2);
623 param->SetFindV0s(kFALSE);
624 param->SetAddVirtualClustersInDeadZone(kFALSE);
625 param->SetUseAmplitudeInfo(kFALSE);
628 param->SetEventSpecie(AliRecoParam::kCosmic);
630 // full use of bads from OCDB
631 param->SetUseBadZonesFromOCDB(kTRUE);
632 param->SetUseSingleBadChannelsFromOCDB(kTRUE);
634 // find independently ITS SA tracks
635 param->SetSAUseAllClusters();
636 param->SetOuterStartLayerSA(AliITSgeomTGeo::GetNLayers()-2);
638 //****** COSMICS 2009 (same as COSMICS 2008) *********************
640 // to maximize efficiency
641 param->SetAllowProlongationWithEmptyRoad();
642 param->SetMinNPointsSA(2);
644 // larger seach windows for SA (in case of large misalignments)
645 param->SetNLoopsSA(32);
646 param->SetFactorSAWindowSizes(20);
648 // additional error due to misal (B off)
649 param->SetClusterMisalErrorY(1.0,1.0,1.0,1.0,1.0,1.0); // [cm]
650 param->SetClusterMisalErrorZ(1.0,1.0,1.0,1.0,1.0,1.0); // [cm]
651 // additional error due to misal (B on)
652 param->SetClusterMisalErrorYBOn(0.0,0.0,0.1,0.1,0.1,0.1); // [cm]
653 param->SetClusterMisalErrorZBOn(0.1,0.1,0.1,0.1,0.1,0.1); // [cm]
657 param->fUseSDDCorrectionMaps = kFALSE;
658 param->fUseSDDClusterSizeSelection=kTRUE;
659 param->fMinClusterChargeSDD=30.;
662 // alignment data filter
663 param->SetAlignFilterCosmics(kTRUE);
664 param->SetAlignFilterCosmicMergeTracks(kTRUE);
665 param->SetAlignFilterMinITSPoints(1);
666 param->SetAlignFilterMinITSPointsMerged(3);
667 param->SetAlignFilterOnlyITSSATracks(kTRUE);
668 param->SetAlignFilterOnlyITSTPCTracks(kFALSE);
669 param->SetAlignFilterSkipExtra(kFALSE);
670 param->SetAlignFilterMaxMatchingAngle(0.085/*5deg*/);
671 param->SetAlignFilterMinPt(0.2);
672 param->SetAlignFilterMaxPt(1.e10);
673 param->SetAlignFilterFillQANtuples(kTRUE);
675 //******************************************************************
677 param->fMaxSnp = 0.95;
679 param->fNSigmaYLayerForRoadY = 4.;
680 param->fNSigmaRoadY = 7.5;
681 param->fNSigmaZLayerForRoadZ = 4.;
682 param->fNSigmaRoadZ = 7.5;
684 param->fNSigma2RoadZC = 60.; //7.75^2
685 param->fNSigma2RoadYC = 60.; //7.75^2
686 param->fNSigma2RoadZNonC = 50.; //7.07^2
687 param->fNSigma2RoadYNonC = 50.; //7.07^2
689 param->fMaxChi2PerCluster[0] = 11.; //7
690 param->fMaxChi2PerCluster[1] = 12.; //5
691 param->fMaxChi2PerCluster[2] = 12.; //8
692 param->fMaxChi2PerCluster[3] = 5.; //8
693 param->fMaxChi2PerCluster[4] = 12.; //6.5
695 param->fMaxNormChi2NonC[0] = 7.;
696 param->fMaxNormChi2NonC[1] = 8.;
697 param->fMaxNormChi2NonC[2] = 8.;
698 param->fMaxNormChi2NonC[3] = 11.;
699 param->fMaxNormChi2NonC[4] = 14.;
700 param->fMaxNormChi2NonC[5] = 25.;
702 param->fMaxNormChi2C[0] = 11.;
703 param->fMaxNormChi2C[1] = 13.;
704 param->fMaxNormChi2C[2] = 15.;
705 param->fMaxNormChi2C[3] = 18.;
706 param->fMaxNormChi2C[4] = 30.;
707 param->fMaxNormChi2C[5] = 35.;
709 param->fMaxNormChi2NonCForHypothesis = 7.;
711 param->fMaxChi2 = 35.;
713 param->fMaxChi2s[0] = 25.; //40
714 param->fMaxChi2s[1] = 25.; //40
715 param->fMaxChi2s[2] = 25.; //40
716 param->fMaxChi2s[3] = 25.; //40
717 param->fMaxChi2s[4] = 40.; //40
718 param->fMaxChi2s[5] = 50.; //40
720 param->fMaxRoad = 6.;
723 param->fMaxChi2In = 16.;
725 param->fMaxChi2sR[0] = 10.;
726 param->fMaxChi2sR[1] = 10.;
727 param->fMaxChi2sR[2] = 10.;
728 param->fMaxChi2sR[3] = 10.;
729 param->fMaxChi2sR[4] = 30.;
730 param->fMaxChi2sR[5] = 40.;
732 param->fChi2PerCluster = 9.;
738 param->fSigmaXV = 0.0050;
739 param->fSigmaYV = 0.0050;
740 param->fSigmaZV = 0.0100;
742 param->fVertexCut = 25.;
744 param->fMaxDZforPrimTrk = 0.4;
745 param->fMaxDZToUseConstraint = 3.;
747 param->fMaxDforV0dghtrForProlongation = 30.;
748 param->fMaxDForProlongation = 10.;
749 param->fMaxDZForProlongation = 20.;
750 param->fMinPtForProlongation = 0.120;
752 param->fZWindowDeadZone = 2.0;
753 param->fSigmaXDeadZoneHit2 = 0.004/12.;
754 param->fSigmaZDeadZoneHit2 = 0.001/12.;
755 param->fXPassDeadZoneHits = 0.018;
758 param->fTrackleterBuildCl2TrkRefs = kFALSE;
762 //_____________________________________________________________________________
763 AliITSRecoParam *AliITSRecoParam::GetPlaneEffParam(Int_t i)
766 // make special reconstruction parameters for Plane Efficiency study on layer i (0,5)
768 // if i=-1, then the evaluation for both pixel layers is tried with the tracklet method
770 if (i<-1 || i>=AliITSgeomTGeo::kNLayers) {
771 printf("AliITSRecoParam::GetPlaneEffParam: index of ITS Plane nor in the range [0,5] neither =-1\n");
772 printf("returning null pointer");
775 if(i>=0) { // Method using tracks (remove given plane from tracking)
776 AliITSRecoParam *param;
777 param = GetLowFluxParam();
778 param->SetClusterErrorsParam(2);
779 // find independently ITS SA tracks
780 param->SetSAUseAllClusters();
781 param->SetOuterStartLayerSA(2);
782 param->SetAllowProlongationWithEmptyRoad(kTRUE);
783 // larger seach windows for SA (in case of large misalignments)
784 param->SetFactorSAWindowSizes(2);
786 // Misalignment syst errors decided at ITS meeting 25.03.2010
787 // additional error due to misal (B off)
788 param->SetClusterMisalErrorY(0.0010,0.0010,0.0300,0.0300,0.0020,0.0020); // [cm]
789 param->SetClusterMisalErrorZ(0.0100,0.0100,0.0100,0.0100,0.0500,0.0500); // [cm]
790 // additional error due to misal (B on)
791 param->SetClusterMisalErrorYBOn(0.0010,0.0030,0.0500,0.0500,0.0020,0.0020); // [cm]
792 param->SetClusterMisalErrorZBOn(0.0100,0.0100,0.0100,0.0100,0.0500,0.0500); // [cm]
796 param->SetUseSDDCorrectionMaps(kTRUE); // changed 30.04.2010
797 param->SetUseSDDClusterSizeSelection(kTRUE);
798 param->SetMinClusterChargeSDD(30.);
799 param->SetUseUnfoldingInClusterFinderSDD(kFALSE);
801 param->SetComputePlaneEff();
802 param->SetLayerToSkip(i);
803 param->SetIPlanePlaneEff(i);
804 param->fNSigXFromBoundaryPlaneEff= 1.;
805 param->fNSigZFromBoundaryPlaneEff= 1.;
806 // optimized setting for SPD0 (i==0)
808 param->fMinPtPlaneEff = 0.200; // high pt particles
809 param->fMaxMissingClustersPlaneEff = 2; // at most 2 layers out of 5 without cluster
810 param->fMaxMissingClustersOutPlaneEff = 2; // at most 2 layers out of 5 external ones without cluster
811 param->fRequireClusterInOuterLayerPlaneEff = kTRUE; // cluster on SPD1 must be
812 //param->fOnlyConstraintPlaneEff = kTRUE;
815 param->fMinPtPlaneEff = 0.200; // high pt particles
816 param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
817 param->fMaxMissingClustersOutPlaneEff = 2; // at most 2 layer out of 4 external ones without cluster
818 //param->fRequireClusterInOuterLayerPlaneEff = kTRUE; // cluster on SSD1 must be
821 param->fMinPtPlaneEff = 0.200; // high pt particles
822 param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
823 param->fMaxMissingClustersOutPlaneEff = 2; // at most 2 layer out of 3 external ones without cluster
824 //param->fRequireClusterInOuterLayerPlaneEff = kTRUE;
825 //param->fOnlyConstraintPlaneEff = kTRUE;
828 param->fMinPtPlaneEff = 0.200; // high pt particles
829 param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
830 param->fMaxMissingClustersOutPlaneEff = 1; // at most 1 layer out of 2 external ones without cluster
833 param->fMinPtPlaneEff = 0.200; // high pt particles
834 param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
835 param->fMaxMissingClustersOutPlaneEff = 1; // at most 1 layer out of 1 external ones without cluster
836 // param->fRequireClusterInOuterLayerPlaneEff = kTRUE;
837 //param->fOnlyConstraintPlaneEff = kTRUE;
840 param->fMinPtPlaneEff = 0.200; // high pt particles
841 param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
846 else if (i==-1) { // Method using tracklets
847 AliITSRecoParam *param;
848 param = GetLowFluxParam();
849 param->SetIPlanePlaneEff(i);
850 param->SetComputePlaneEff(kTRUE,kFALSE);
851 param->SetUseTrackletsPlaneEff(kTRUE);
852 param->SetTrackleterPhiWindowL2(0.07);
853 param->SetTrackleterZetaWindowL2(0.4);
854 param->SetTrackleterPhiWindowL1(0.10);
855 param->SetTrackleterZetaWindowL1(0.6);
856 param->SetUpdateOncePerEventPlaneEff(kTRUE);
857 param->SetMinContVtxPlaneEff(3);
861 AliErrorGeneral("AliITSRecoParam",Form("Unrecognised value of i %d\n",i));
866 //_____________________________________________________________________________
867 void AliITSRecoParam::SetLayersParameters()
870 // number of layers and layers spatial resolutions
873 // spatial resolutions of the detectors
874 // y: 12 12 38 38 20 20 micron
877 fSigmaY2[2]=1.444e-5;
878 fSigmaY2[3]=1.444e-5;
881 // z: 120 120 28 28 830 830 micron
886 fSigmaZ2[4]=6.889e-3;
887 fSigmaZ2[5]=6.889e-3;
891 //_____________________________________________________________________________
892 void AliITSRecoParam::PrintParameters() const
898 printf("============================= AliITSRecoParam::PrintParameters ");
899 printf("============================= \n\n");
900 for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) {
901 if(!fLayersToSkip[i]) {
902 printf("ITS Traking: using layer %d\n",i);
904 printf("ITS Traking: skipping layer %d\n",i);
907 for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) {
908 if(fUseAmplitudeInfo[i]) {
909 printf("ITS Traking: use amplitude info for layer %d\n",i);
911 printf("ITS Traking: don't use amplitude info for layer %d\n",i);
914 for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++)
915 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]);
924 //_____________________________________________________________________________
925 Bool_t AliITSRecoParam::SetOptReco(TString r){
926 // Set option for local reconstruction.
927 // The string must contain at least one of the following
928 // substrings: "All", "SPD", "SDD", "SSD"
929 Bool_t isFine = kFALSE;
930 if(r.Contains("All") || r.Contains("SPD") || r.Contains("SDD")
931 || r.Contains("SSD")){