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(),
72 fVtxr3DZCutNarrow(0.),
73 fVtxr3DRCutNarrow(0.),
74 fVtxr3DPhiCutLoose(0.),
75 fVtxr3DPhiCutTight(0.),
78 fVtxr3DHighMultAlgo(1),
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(0.),
138 fNSigZFromBoundaryPlaneEff(0.),
139 fDistXFromBoundaryPlaneEff(0.),
140 fDistZFromBoundaryPlaneEff(0.),
141 fSwitchOnMaxDistNSigFrmBndPlaneEff(kFALSE),
142 fSwitchOffStdSearchClusPlaneEff(kFALSE),
143 fNSigXSearchClusterPlaneEff(0.),
144 fNSigZSearchClusterPlaneEff(0.),
145 fDistXSearchClusterPlaneEff(0.),
146 fDistZSearchClusterPlaneEff(0.),
147 fSwitchOnMaxDistNSigSrhClusPlaneEff(kFALSE),
148 fDCACutPlaneEff(999.),
149 fVertexChi2CutPlaneEff(999999999.),
150 fImproveWithVertex(kFALSE),
151 fExtendedEtaAcceptance(kFALSE),
152 fUseBadZonesFromOCDB(kTRUE),
153 fUseSingleBadChannelsFromOCDB(kFALSE),
154 fMinFractionOfBadInRoad(0),
155 fAllowProlongationWithEmptyRoad(kFALSE),
156 fInwardFlagSA(kFALSE),
157 fOuterStartLayerSA(2),
158 fInnerStartLayerSA(3),
160 fFactorSAWindowSizes(1.),
166 fMinClusterChargeSA(0.),
167 fSAOnePointTracks(kFALSE),
168 fSAUseAllClusters(kFALSE),
169 fMaxSPDcontrForSAToUseAllClusters(1000000),
170 fSAUsedEdxInfo(kFALSE),
171 fSelectBestMIP03(kFALSE),
173 fUseImproveKalman(kFALSE),
175 fStoreLikeSignV0s(kFALSE),
176 fUseUnfoldingInClusterFinderSPD(kFALSE),
177 fUseUnfoldingInClusterFinderSDD(kTRUE),
178 fUseUnfoldingInClusterFinderSSD(kFALSE),
179 fUseBadChannelsInClusterFinderSSD(kFALSE),
180 fUseSDDCorrectionMaps(kTRUE),
181 fUseSDDClusterSizeSelection(kFALSE),
182 fMinClusterChargeSDD(0.),
183 fUseChargeMatchingInClusterFinderSSD(kTRUE),
184 fTrackleterPhiWindow(0.08),
185 fTrackleterThetaWindow(0.025),
186 fTrackleterPhiShift(0.0045),
187 fTrackleterRemoveClustersFromOverlaps(kFALSE),
188 fTrackleterPhiOverlapCut(0.005),
189 fTrackleterZetaOverlapCut(0.05),
190 fTrackleterPhiRotationAngle(0.0),
191 fTrackleterNStdDev(1.5),
192 fScaleDTBySin2T(kFALSE),
193 fTrackleterStoreSPD2SingleCl(kFALSE),
194 fTrackleterBuildCl2TrkRefs(kTRUE),
196 fUseCosmicRunShiftsSSD(kFALSE),
197 fSPDRemoveNoisyFlag(kTRUE),
198 fSPDRemoveDeadFlag(kTRUE),
199 fVertexerFastSmearX(0.005),
200 fVertexerFastSmearY(0.005),
201 fVertexerFastSmearZ(0.01),
202 fAlignFilterCosmics(kFALSE),
203 fAlignFilterCosmicMergeTracks(kTRUE),
204 fAlignFilterMinITSPoints(4),
205 fAlignFilterMinITSPointsMerged(4),
206 fAlignFilterOnlyITSSATracks(kTRUE),
207 fAlignFilterOnlyITSTPCTracks(kFALSE),
208 fAlignFilterSkipExtra(kFALSE),
209 fAlignFilterMaxMatchingAngle(0.085),
210 fAlignFilterMinAngleWrtModulePlanes(0.52),
211 fAlignFilterMinPt(0.),
212 fAlignFilterMaxPt(1.e10),
213 fAlignFilterFillQANtuples(kTRUE),
215 fMultCutPxDrSPDin(0.1),
216 fMultCutPxDrSPDout(0.15),
219 fMultCutMinElectronProbTPC(0.5),
220 fMultCutMinElectronProbESD(0.1),
222 fMultCutMinRGamma(2.),
224 fMultCutMinPointAngle(0.98),
225 fMultCutMaxDCADauther(0.5),
226 fMultCutMassGamma(0.03),
227 fMultCutMassGammaNSigma(5.),
228 fMultCutMassK0(0.03),
229 fMultCutMassK0NSigma(5.),
230 fMultCutChi2cGamma(2.),
232 fMultCutGammaSFromDecay(-10.),
233 fMultCutK0SFromDecay(-10.),
236 fCorrectLorentzAngleSPD(kTRUE),
237 fTanLorentzAngleHolesSPD(0.017455), // tan(1 degree)
238 fCorrectLorentzAngleSSD(kTRUE),
239 fTanLorentzAngleHolesSSD(0.016), // tan(0.94 degrees)
240 fTanLorentzAngleElectronsSSD(0.068), // tan(3.98 degrees)
251 SetLayersParameters();
252 for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) fLayersToSkip[i]=0;
253 SetUseTGeoInTracker(3);
255 SetAllowSharedClusters(kTRUE);
257 SetAddVirtualClustersInDeadZone(kFALSE);
258 SetUseAmplitudeInfo(kTRUE);
259 SetClusterErrorsParam(1);
260 SetClusterMisalError(0.);
261 SetClusterMisalErrorBOn(0.);
262 SetVertexer3DDefaults();
264 for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) fAlignFilterUseLayer[i]=kTRUE;
265 fESDV0Params = new AliESDV0Params();
267 fESDV0Params->SetMaxDist0(0.1);
268 fESDV0Params->SetMaxDist1(0.1);
269 fESDV0Params->SetMaxDist(1.);
270 fESDV0Params->SetMinPointAngle(0.85);
271 fESDV0Params->SetMinPointAngle2(0.99);
272 fESDV0Params->SetMinR(0.5);
273 fESDV0Params->SetMaxR(220.);
274 fESDV0Params->SetMinPABestConst(0.9999);
275 fESDV0Params->SetMaxRBestConst(10.);
276 fESDV0Params->SetCausality0Cut(0.19);
277 fESDV0Params->SetLikelihood01Cut(0.45);
278 fESDV0Params->SetLikelihood1Cut(0.5);
279 fESDV0Params->SetCombinedCut(0.55);
280 fESDV0Params->SetMinClFullTrk(5.0);
281 fESDV0Params->SetMinTgl0(1.05);
282 fESDV0Params->SetMinRTgl0(40.0);
284 fESDV0Params->SetMinNormDistForbTgl0(3.0);
285 fESDV0Params->SetMinClForb0(4.5);
286 fESDV0Params->SetMinNormDistForb1(3.0);
287 fESDV0Params->SetMinNormDistForb2(2.0);
288 fESDV0Params->SetMinNormDistForb3(1.0);
289 fESDV0Params->SetMinNormDistForb4(4.0);
290 fESDV0Params->SetMinNormDistForb5(5.0);
291 fESDV0Params->SetMinNormDistForbProt(2.0);
292 fESDV0Params->SetMaxPidProbPionForb(0.5);
294 fESDV0Params->SetMinRTPCdensity(40.);
295 fESDV0Params->SetMaxRTPCdensity0(110.);
296 fESDV0Params->SetMaxRTPCdensity10(120.);
297 fESDV0Params->SetMaxRTPCdensity20(130.);
298 fESDV0Params->SetMaxRTPCdensity30(140.);
300 fESDV0Params->SetMinTPCdensity(0.6);
301 fESDV0Params->SetMinTgl1(1.1);
302 fESDV0Params->SetMinTgl2(1.0);
303 fESDV0Params->SetMinchi2before0(16.);
304 fESDV0Params->SetMinchi2before1(16.);
305 fESDV0Params->SetMinchi2after0(16.);
306 fESDV0Params->SetMinchi2after1(16.);
307 fESDV0Params->SetAddchi2SharedCl(18.);
308 fESDV0Params->SetAddchi2NegCl0(25.);
309 fESDV0Params->SetAddchi2NegCl1(30.);
310 fESDV0Params->SetSigp0Par0(0.0001);
311 fESDV0Params->SetSigp0Par1(0.001);
312 fESDV0Params->SetSigp0Par2(0.1);
313 fESDV0Params->SetSigpPar0(0.5);
314 fESDV0Params->SetSigpPar1(0.6);
315 fESDV0Params->SetSigpPar2(0.4);
316 fESDV0Params->SetMaxDcaLh0(0.5);
317 fESDV0Params->SetStreamLevel(0);
318 fESDV0Params->SetChi2KF(100);
319 fESDV0Params->SetRobustChi2KF(100);
322 //_____________________________________________________________________________
323 AliITSRecoParam::~AliITSRecoParam()
333 //_____________________________________________________________________________
334 AliITSRecoParam *AliITSRecoParam::GetHighFluxParam()
337 // make default reconstruction parameters for hig flux env.
339 AliITSRecoParam *param = new AliITSRecoParam();
340 param->SetVertexer3DDefaults();
341 param->SetSPDVertexerPileupAlgoOff();
342 // use of bads from OCDB
343 param->SetUseBadZonesFromOCDB(kTRUE);
344 param->SetUseSingleBadChannelsFromOCDB(kFALSE);
345 // use pointing to vertex during prolongation
346 param->SetImproveWithVertex(kTRUE);
347 // extended eta acceptance
348 param->SetExtendedEtaAcceptance(kFALSE);
349 // allow to skip layer if no cluster and no bad
350 param->SetAllowProlongationWithEmptyRoad(kFALSE);
352 param->SetEventSpecie(AliRecoParam::kHighMult);
354 param->fMaxSnp = 0.95;
356 param->fNSigmaYLayerForRoadY = 4.;
357 param->fNSigmaRoadY = 7.5;
358 param->fNSigmaZLayerForRoadZ = 4.;
359 param->fNSigmaRoadZ = 7.5;
361 param->fNSigma2RoadZC = 60.; //7.75^2
362 param->fNSigma2RoadYC = 60.; //7.75^2
363 param->fNSigma2RoadZNonC = 50.; //7.07^2
364 param->fNSigma2RoadYNonC = 50.; //7.07^2
366 param->fMaxChi2PerCluster[0] = 11.; //7
367 param->fMaxChi2PerCluster[1] = 12.; //5
368 param->fMaxChi2PerCluster[2] = 12.; //8
369 param->fMaxChi2PerCluster[3] = 5.; //8
370 param->fMaxChi2PerCluster[4] = 12.; //6.5
372 param->fMaxNormChi2NonC[0] = 7.;
373 param->fMaxNormChi2NonC[1] = 8.;
374 param->fMaxNormChi2NonC[2] = 8.;
375 param->fMaxNormChi2NonC[3] = 11.;
376 param->fMaxNormChi2NonC[4] = 14.;
377 param->fMaxNormChi2NonC[5] = 25.;
379 param->fMaxNormChi2C[0] = 11.;
380 param->fMaxNormChi2C[1] = 13.;
381 param->fMaxNormChi2C[2] = 15.;
382 param->fMaxNormChi2C[3] = 18.;
383 param->fMaxNormChi2C[4] = 30.;
384 param->fMaxNormChi2C[5] = 35.;
386 param->fMaxNormChi2NonCForHypothesis = 7.;
388 param->fMaxChi2 = 35.;
390 param->fMaxChi2s[0] = 25.; //40
391 param->fMaxChi2s[1] = 25.; //40
392 param->fMaxChi2s[2] = 25.; //40
393 param->fMaxChi2s[3] = 25.; //40
394 param->fMaxChi2s[4] = 40.; //40
395 param->fMaxChi2s[5] = 50.; //40
397 param->fMaxRoad = 6.;
400 param->fMaxChi2In = 16.;
402 param->fMaxChi2sR[0] = 10.;
403 param->fMaxChi2sR[1] = 10.;
404 param->fMaxChi2sR[2] = 10.;
405 param->fMaxChi2sR[3] = 10.;
406 param->fMaxChi2sR[4] = 30.;
407 param->fMaxChi2sR[5] = 40.;
410 param->fChi2PerCluster = 9.;
412 param->fSearchForExtras = kFALSE;
417 param->fSigmaXV = 0.0050;
418 param->fSigmaYV = 0.0050;
419 param->fSigmaZV = 0.0100;
421 param->fVertexCut = 25.;
423 param->fMaxDZforPrimTrk = 0.4;
424 param->fMaxDZToUseConstraint = 3.;
426 param->fMaxDforV0dghtrForProlongation = 30.;
427 param->fMaxDForProlongation = 40.;//10.;
428 param->fMaxDZForProlongation = 60.;//20.;
429 param->fMinPtForProlongation = 0.120;
431 param->fZWindowDeadZone = 2.0;
432 param->fSigmaXDeadZoneHit2 = 0.004/12.;
433 param->fSigmaZDeadZoneHit2 = 0.001/12.;
434 param->fXPassDeadZoneHits = 0.018;
437 param->fMultCutPxDrSPDin = 0.1;
438 param->fMultCutPxDrSPDout = 0.15;
439 param->fMultCutPxDz = 0.2;
440 param->fMultCutDCArz = 0.5;
441 param->fMultCutMinElectronProbTPC = 0.5;
442 param->fMultCutMinElectronProbESD = 0.1;
443 param->fMultCutMinP = 0.05;
444 param->fMultCutMinRGamma = 2.;
445 param->fMultCutMinRK0 = 1.;
446 param->fMultCutMinPointAngle = 0.98;
447 param->fMultCutMaxDCADauther = 0.5;
448 param->fMultCutMassGamma = 0.03;
449 param->fMultCutMassGammaNSigma = 5.;
450 param->fMultCutMassK0 = 0.03;
451 param->fMultCutMassK0NSigma = 5.;
452 param->fMultCutChi2cGamma = 2.;
453 param->fMultCutChi2cK0 = 2.;
454 param->fMultCutGammaSFromDecay = -10.;
455 param->fMultCutK0SFromDecay = -10.;
456 param->fMultCutMaxDCA = 1.;
459 param->fTrackleterPhiWindow = 0.06;
460 param->fTrackleterBuildCl2TrkRefs = kFALSE;
461 param->fScaleDTBySin2T = kTRUE;
463 param->fSelectBestMIP03 = kFALSE;//kTRUE;
464 param->fFlagFakes = kTRUE;
465 param->fUseImproveKalman= kFALSE;
469 //_____________________________________________________________________________
470 AliITSRecoParam *AliITSRecoParam::GetLowFluxParam()
473 // make default reconstruction parameters for low flux env.
475 AliITSRecoParam *param = new AliITSRecoParam();
476 param->SetVertexer3DDefaults();
478 // full use of bads from OCDB
479 param->SetUseBadZonesFromOCDB(kTRUE);
480 param->SetUseSingleBadChannelsFromOCDB(kTRUE);
481 // extended eta acceptance
482 param->SetExtendedEtaAcceptance(kTRUE);
483 // allow to skip layer if no cluster and no bad
484 param->SetAllowProlongationWithEmptyRoad(kTRUE);
486 param->SetEventSpecie(AliRecoParam::kLowMult);
488 param->fMaxSnp = 0.95;
490 param->fNSigmaYLayerForRoadY = 4.;
491 param->fNSigmaRoadY = 7.5;
492 param->fNSigmaZLayerForRoadZ = 4.;
493 param->fNSigmaRoadZ = 7.5;
495 param->fNSigma2RoadZC = 60.; //7.75^2
496 param->fNSigma2RoadYC = 60.; //7.75^2
497 param->fNSigma2RoadZNonC = 50.; //7.07^2
498 param->fNSigma2RoadYNonC = 50.; //7.07^2
500 param->fMaxChi2PerCluster[0] = 11.; //7
501 param->fMaxChi2PerCluster[1] = 12.; //5
502 param->fMaxChi2PerCluster[2] = 12.; //8
503 param->fMaxChi2PerCluster[3] = 5.; //8
504 param->fMaxChi2PerCluster[4] = 12.; //6.5
506 param->fMaxNormChi2NonC[0] = 7.;
507 param->fMaxNormChi2NonC[1] = 8.;
508 param->fMaxNormChi2NonC[2] = 8.;
509 param->fMaxNormChi2NonC[3] = 11.;
510 param->fMaxNormChi2NonC[4] = 14.;
511 param->fMaxNormChi2NonC[5] = 25.;
513 param->fMaxNormChi2C[0] = 11.;
514 param->fMaxNormChi2C[1] = 13.;
515 param->fMaxNormChi2C[2] = 15.;
516 param->fMaxNormChi2C[3] = 18.;
517 param->fMaxNormChi2C[4] = 30.;
518 param->fMaxNormChi2C[5] = 35.;
520 param->fMaxNormChi2NonCForHypothesis = 7.;
522 param->fMaxChi2 = 35.;
524 param->fMaxChi2s[0] = 25.; //40
525 param->fMaxChi2s[1] = 25.; //40
526 param->fMaxChi2s[2] = 25.; //40
527 param->fMaxChi2s[3] = 25.; //40
528 param->fMaxChi2s[4] = 40.; //40
529 param->fMaxChi2s[5] = 50.; //40
531 param->fMaxRoad = 6.;
534 param->fMaxChi2In = 16.;
536 param->fMaxChi2sR[0] = 10.;
537 param->fMaxChi2sR[1] = 10.;
538 param->fMaxChi2sR[2] = 10.;
539 param->fMaxChi2sR[3] = 10.;
540 param->fMaxChi2sR[4] = 30.;
541 param->fMaxChi2sR[5] = 40.;
543 param->fChi2PerCluster = 9.;
549 param->fSigmaXV = 0.0050;
550 param->fSigmaYV = 0.0050;
551 param->fSigmaZV = 0.0100;
553 param->fVertexCut = 25.;
555 param->fMaxDZforPrimTrk = 0.4;
556 param->fMaxDZToUseConstraint = 3.;
558 param->fMaxDforV0dghtrForProlongation = 30.;
559 param->fMaxDForProlongation = 40.;//10.;
560 param->fMaxDZForProlongation = 60.;//20.;
561 param->fMinPtForProlongation = 0.120;
563 param->fZWindowDeadZone = 2.0;
564 param->fSigmaXDeadZoneHit2 = 0.004/12.;
565 param->fSigmaZDeadZoneHit2 = 0.001/12.;
566 param->fXPassDeadZoneHits = 0.018;
567 param->SetNLoopsSA(20);
568 param->fMaxPhiSA = 0.07;
569 param->fMaxLambdaSA = 0.04;
571 param->GetESDV0Params()->SetMinRTgl0(0.5);
572 param->GetESDV0Params()->SetMaxDist(1.5);
573 param->GetESDV0Params()->SetMaxDcaLh0(1.5);
574 param->GetESDV0Params()->SetMaxRBestConst(80);
575 param->GetESDV0Params()->SetMinPABestConst(0.99);
576 param->GetESDV0Params()->SetMinNormDistForbTgl0(1.);
577 param->GetESDV0Params()->SetMinNormDistForb1(2.);
578 param->GetESDV0Params()->SetMinNormDistForbProt(1.);
579 param->GetESDV0Params()->SetMaxPidProbPionForb(0.7);
580 param->GetESDV0Params()->SetLikelihood01Cut(0.3);
581 param->GetESDV0Params()->SetLikelihood1Cut(0.35);
582 param->GetESDV0Params()->SetCombinedCut(0.4);
585 param->fTrackleterBuildCl2TrkRefs = kTRUE;
588 param->fMultCutPxDrSPDin = 0.1;
589 param->fMultCutPxDrSPDout = 0.15;
590 param->fMultCutPxDz = 0.2;
591 param->fMultCutDCArz = 0.5;
592 param->fMultCutMinElectronProbTPC = 0.5;
593 param->fMultCutMinElectronProbESD = 0.1;
594 param->fMultCutMinP = 0.05;
595 param->fMultCutMinRGamma = 2.;
596 param->fMultCutMinRK0 = 1.;
597 param->fMultCutMinPointAngle = 0.98;
598 param->fMultCutMaxDCADauther = 0.5;
599 param->fMultCutMassGamma = 0.03;
600 param->fMultCutMassGammaNSigma = 5.;
601 param->fMultCutMassK0 = 0.03;
602 param->fMultCutMassK0NSigma = 5.;
603 param->fMultCutChi2cGamma = 2.;
604 param->fMultCutChi2cK0 = 2.;
605 param->fMultCutGammaSFromDecay = -10.;
606 param->fMultCutK0SFromDecay = -10.;
607 param->fMultCutMaxDCA = 1.;
612 //_____________________________________________________________________________
613 AliITSRecoParam *AliITSRecoParam::GetCosmicTestParam()
616 // make default reconstruction parameters for cosmics
618 AliITSRecoParam *param = new AliITSRecoParam();
620 // vertexer for cosmics
621 param->SetVertexer(2);
623 param->SetClusterErrorsParam(2);
624 param->SetFindV0s(kFALSE);
625 param->SetAddVirtualClustersInDeadZone(kFALSE);
626 param->SetUseAmplitudeInfo(kFALSE);
629 param->SetEventSpecie(AliRecoParam::kCosmic);
631 // full use of bads from OCDB
632 param->SetUseBadZonesFromOCDB(kTRUE);
633 param->SetUseSingleBadChannelsFromOCDB(kTRUE);
635 // find independently ITS SA tracks
636 param->SetSAUseAllClusters();
637 param->SetOuterStartLayerSA(AliITSgeomTGeo::GetNLayers()-2);
639 //****** COSMICS 2009 (same as COSMICS 2008) *********************
641 // to maximize efficiency
642 param->SetAllowProlongationWithEmptyRoad();
643 param->SetMinNPointsSA(2);
645 // larger seach windows for SA (in case of large misalignments)
646 param->SetNLoopsSA(32);
647 param->SetFactorSAWindowSizes(20);
649 // additional error due to misal (B off)
650 param->SetClusterMisalErrorY(1.0,1.0,1.0,1.0,1.0,1.0); // [cm]
651 param->SetClusterMisalErrorZ(1.0,1.0,1.0,1.0,1.0,1.0); // [cm]
652 // additional error due to misal (B on)
653 param->SetClusterMisalErrorYBOn(0.0,0.0,0.1,0.1,0.1,0.1); // [cm]
654 param->SetClusterMisalErrorZBOn(0.1,0.1,0.1,0.1,0.1,0.1); // [cm]
658 param->fUseSDDCorrectionMaps = kFALSE;
659 param->fUseSDDClusterSizeSelection=kTRUE;
660 param->fMinClusterChargeSDD=30.;
663 // alignment data filter
664 param->SetAlignFilterCosmics(kTRUE);
665 param->SetAlignFilterCosmicMergeTracks(kTRUE);
666 param->SetAlignFilterMinITSPoints(1);
667 param->SetAlignFilterMinITSPointsMerged(3);
668 param->SetAlignFilterOnlyITSSATracks(kTRUE);
669 param->SetAlignFilterOnlyITSTPCTracks(kFALSE);
670 param->SetAlignFilterSkipExtra(kFALSE);
671 param->SetAlignFilterMaxMatchingAngle(0.085/*5deg*/);
672 param->SetAlignFilterMinPt(0.2);
673 param->SetAlignFilterMaxPt(1.e10);
674 param->SetAlignFilterFillQANtuples(kTRUE);
676 //******************************************************************
678 param->fMaxSnp = 0.95;
680 param->fNSigmaYLayerForRoadY = 4.;
681 param->fNSigmaRoadY = 7.5;
682 param->fNSigmaZLayerForRoadZ = 4.;
683 param->fNSigmaRoadZ = 7.5;
685 param->fNSigma2RoadZC = 60.; //7.75^2
686 param->fNSigma2RoadYC = 60.; //7.75^2
687 param->fNSigma2RoadZNonC = 50.; //7.07^2
688 param->fNSigma2RoadYNonC = 50.; //7.07^2
690 param->fMaxChi2PerCluster[0] = 11.; //7
691 param->fMaxChi2PerCluster[1] = 12.; //5
692 param->fMaxChi2PerCluster[2] = 12.; //8
693 param->fMaxChi2PerCluster[3] = 5.; //8
694 param->fMaxChi2PerCluster[4] = 12.; //6.5
696 param->fMaxNormChi2NonC[0] = 7.;
697 param->fMaxNormChi2NonC[1] = 8.;
698 param->fMaxNormChi2NonC[2] = 8.;
699 param->fMaxNormChi2NonC[3] = 11.;
700 param->fMaxNormChi2NonC[4] = 14.;
701 param->fMaxNormChi2NonC[5] = 25.;
703 param->fMaxNormChi2C[0] = 11.;
704 param->fMaxNormChi2C[1] = 13.;
705 param->fMaxNormChi2C[2] = 15.;
706 param->fMaxNormChi2C[3] = 18.;
707 param->fMaxNormChi2C[4] = 30.;
708 param->fMaxNormChi2C[5] = 35.;
710 param->fMaxNormChi2NonCForHypothesis = 7.;
712 param->fMaxChi2 = 35.;
714 param->fMaxChi2s[0] = 25.; //40
715 param->fMaxChi2s[1] = 25.; //40
716 param->fMaxChi2s[2] = 25.; //40
717 param->fMaxChi2s[3] = 25.; //40
718 param->fMaxChi2s[4] = 40.; //40
719 param->fMaxChi2s[5] = 50.; //40
721 param->fMaxRoad = 6.;
724 param->fMaxChi2In = 16.;
726 param->fMaxChi2sR[0] = 10.;
727 param->fMaxChi2sR[1] = 10.;
728 param->fMaxChi2sR[2] = 10.;
729 param->fMaxChi2sR[3] = 10.;
730 param->fMaxChi2sR[4] = 30.;
731 param->fMaxChi2sR[5] = 40.;
733 param->fChi2PerCluster = 9.;
739 param->fSigmaXV = 0.0050;
740 param->fSigmaYV = 0.0050;
741 param->fSigmaZV = 0.0100;
743 param->fVertexCut = 25.;
745 param->fMaxDZforPrimTrk = 0.4;
746 param->fMaxDZToUseConstraint = 3.;
748 param->fMaxDforV0dghtrForProlongation = 30.;
749 param->fMaxDForProlongation = 10.;
750 param->fMaxDZForProlongation = 20.;
751 param->fMinPtForProlongation = 0.120;
753 param->fZWindowDeadZone = 2.0;
754 param->fSigmaXDeadZoneHit2 = 0.004/12.;
755 param->fSigmaZDeadZoneHit2 = 0.001/12.;
756 param->fXPassDeadZoneHits = 0.018;
759 param->fTrackleterBuildCl2TrkRefs = kFALSE;
763 //_____________________________________________________________________________
764 AliITSRecoParam *AliITSRecoParam::GetPlaneEffParam(Int_t i)
767 // make special reconstruction parameters for Plane Efficiency study on layer i (0,5)
769 // if i=-1, then the evaluation for both pixel layers is tried with the tracklet method
771 if (i<-1 || i>=AliITSgeomTGeo::kNLayers) {
772 printf("AliITSRecoParam::GetPlaneEffParam: index of ITS Plane nor in the range [0,5] neither =-1\n");
773 printf("returning null pointer");
776 if(i>=0) { // Method using tracks (remove given plane from tracking)
777 AliITSRecoParam *param;
778 param = GetLowFluxParam();
779 param->SetClusterErrorsParam(2);
780 // find independently ITS SA tracks
781 param->SetSAUseAllClusters();
782 param->SetOuterStartLayerSA(2);
783 param->SetAllowProlongationWithEmptyRoad(kTRUE);
784 // larger seach windows for SA (in case of large misalignments)
785 param->SetFactorSAWindowSizes(2);
787 // Misalignment syst errors decided at ITS meeting 25.03.2010
788 // additional error due to misal (B off)
789 param->SetClusterMisalErrorY(0.0010,0.0010,0.0300,0.0300,0.0020,0.0020); // [cm]
790 param->SetClusterMisalErrorZ(0.0100,0.0100,0.0100,0.0100,0.0500,0.0500); // [cm]
791 // additional error due to misal (B on)
792 param->SetClusterMisalErrorYBOn(0.0010,0.0030,0.0500,0.0500,0.0020,0.0020); // [cm]
793 param->SetClusterMisalErrorZBOn(0.0100,0.0100,0.0100,0.0100,0.0500,0.0500); // [cm]
797 param->SetUseSDDCorrectionMaps(kTRUE); // changed 30.04.2010
798 param->SetUseSDDClusterSizeSelection(kTRUE);
799 param->SetMinClusterChargeSDD(30.);
800 param->SetUseUnfoldingInClusterFinderSDD(kFALSE);
802 param->SetComputePlaneEff();
803 param->SetLayerToSkip(i);
804 param->SetIPlanePlaneEff(i);
805 param->fNSigXFromBoundaryPlaneEff= 1.;
806 param->fNSigZFromBoundaryPlaneEff= 1.;
807 // optimized setting for SPD0 (i==0)
809 param->fMinPtPlaneEff = 0.200; // high pt particles
810 param->fMaxMissingClustersPlaneEff = 2; // at most 2 layers out of 5 without cluster
811 param->fMaxMissingClustersOutPlaneEff = 2; // at most 2 layers out of 5 external ones without cluster
812 param->fRequireClusterInOuterLayerPlaneEff = kTRUE; // cluster on SPD1 must be
813 //param->fOnlyConstraintPlaneEff = kTRUE;
816 param->fMinPtPlaneEff = 0.200; // high pt particles
817 param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
818 param->fMaxMissingClustersOutPlaneEff = 2; // at most 2 layer out of 4 external ones without cluster
819 //param->fRequireClusterInOuterLayerPlaneEff = kTRUE; // cluster on SSD1 must be
822 param->fMinPtPlaneEff = 0.200; // high pt particles
823 param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
824 param->fMaxMissingClustersOutPlaneEff = 2; // at most 2 layer out of 3 external ones without cluster
825 //param->fRequireClusterInOuterLayerPlaneEff = kTRUE;
826 //param->fOnlyConstraintPlaneEff = kTRUE;
829 param->fMinPtPlaneEff = 0.200; // high pt particles
830 param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
831 param->fMaxMissingClustersOutPlaneEff = 1; // at most 1 layer out of 2 external ones without cluster
834 param->fMinPtPlaneEff = 0.200; // high pt particles
835 param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
836 param->fMaxMissingClustersOutPlaneEff = 1; // at most 1 layer out of 1 external ones without cluster
837 // param->fRequireClusterInOuterLayerPlaneEff = kTRUE;
838 //param->fOnlyConstraintPlaneEff = kTRUE;
841 param->fMinPtPlaneEff = 0.200; // high pt particles
842 param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
847 else if (i==-1) { // Method using tracklets
848 AliITSRecoParam *param;
849 param = GetLowFluxParam();
850 param->SetIPlanePlaneEff(i);
851 param->SetComputePlaneEff(kTRUE,kFALSE);
852 param->SetUseTrackletsPlaneEff(kTRUE);
853 param->SetTrackleterPhiWindowL2(0.07);
854 param->SetTrackleterZetaWindowL2(0.4);
855 param->SetTrackleterPhiWindowL1(0.10);
856 param->SetTrackleterZetaWindowL1(0.6);
857 param->SetUpdateOncePerEventPlaneEff(kTRUE);
858 param->SetMinContVtxPlaneEff(3);
862 AliErrorGeneral("AliITSRecoParam",Form("Unrecognised value of i %d\n",i));
867 //_____________________________________________________________________________
868 void AliITSRecoParam::SetLayersParameters()
871 // number of layers and layers spatial resolutions
874 // spatial resolutions of the detectors
875 // y: 12 12 38 38 20 20 micron
878 fSigmaY2[2]=1.444e-5;
879 fSigmaY2[3]=1.444e-5;
882 // z: 120 120 28 28 830 830 micron
887 fSigmaZ2[4]=6.889e-3;
888 fSigmaZ2[5]=6.889e-3;
892 //_____________________________________________________________________________
893 void AliITSRecoParam::PrintParameters() const
899 printf("============================= AliITSRecoParam::PrintParameters ");
900 printf("============================= \n\n");
901 for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) {
902 if(!fLayersToSkip[i]) {
903 printf("ITS Traking: using layer %d\n",i);
905 printf("ITS Traking: skipping layer %d\n",i);
908 for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) {
909 if(fUseAmplitudeInfo[i]) {
910 printf("ITS Traking: use amplitude info for layer %d\n",i);
912 printf("ITS Traking: don't use amplitude info for layer %d\n",i);
915 for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++)
916 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]);
925 //_____________________________________________________________________________
926 Bool_t AliITSRecoParam::SetOptReco(TString r){
927 // Set option for local reconstruction.
928 // The string must contain at least one of the following
929 // substrings: "All", "SPD", "SDD", "SSD"
930 Bool_t isFine = kFALSE;
931 if(r.Contains("All") || r.Contains("SPD") || r.Contains("SDD")
932 || r.Contains("SSD")){