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(1.),
138 fNSigZFromBoundaryPlaneEff(1.),
139 fDCACutPlaneEff(999.),
140 fVertexChi2CutPlaneEff(999999999.),
141 fImproveWithVertex(kFALSE),
142 fExtendedEtaAcceptance(kFALSE),
143 fUseBadZonesFromOCDB(kTRUE),
144 fUseSingleBadChannelsFromOCDB(kFALSE),
145 fMinFractionOfBadInRoad(0),
146 fAllowProlongationWithEmptyRoad(kFALSE),
147 fInwardFlagSA(kFALSE),
148 fOuterStartLayerSA(2),
149 fInnerStartLayerSA(3),
151 fFactorSAWindowSizes(1.),
157 fMinClusterChargeSA(0.),
158 fSAOnePointTracks(kFALSE),
159 fSAUseAllClusters(kFALSE),
160 fMaxSPDcontrForSAToUseAllClusters(1000000),
161 fSAUsedEdxInfo(kFALSE),
162 fSelectBestMIP03(kFALSE),
164 fUseImproveKalman(kFALSE),
166 fStoreLikeSignV0s(kFALSE),
167 fUseUnfoldingInClusterFinderSPD(kFALSE),
168 fUseUnfoldingInClusterFinderSDD(kTRUE),
169 fUseUnfoldingInClusterFinderSSD(kFALSE),
170 fUseBadChannelsInClusterFinderSSD(kFALSE),
171 fUseSDDCorrectionMaps(kTRUE),
172 fUseSDDClusterSizeSelection(kFALSE),
173 fMinClusterChargeSDD(0.),
174 fUseChargeMatchingInClusterFinderSSD(kTRUE),
175 fTrackleterPhiWindow(0.08),
176 fTrackleterThetaWindow(0.025),
177 fTrackleterPhiShift(0.0045),
178 fTrackleterRemoveClustersFromOverlaps(kFALSE),
179 fTrackleterPhiOverlapCut(0.005),
180 fTrackleterZetaOverlapCut(0.05),
181 fTrackleterPhiRotationAngle(0.0),
182 fTrackleterNStdDev(1.5),
183 fScaleDTBySin2T(kFALSE),
184 fTrackleterStoreSPD2SingleCl(kFALSE),
185 fTrackleterBuildCl2TrkRefs(kTRUE),
187 fUseCosmicRunShiftsSSD(kFALSE),
188 fSPDRemoveNoisyFlag(kTRUE),
189 fSPDRemoveDeadFlag(kTRUE),
190 fVertexerFastSmearX(0.005),
191 fVertexerFastSmearY(0.005),
192 fVertexerFastSmearZ(0.01),
193 fAlignFilterCosmics(kFALSE),
194 fAlignFilterCosmicMergeTracks(kTRUE),
195 fAlignFilterMinITSPoints(4),
196 fAlignFilterMinITSPointsMerged(4),
197 fAlignFilterOnlyITSSATracks(kTRUE),
198 fAlignFilterOnlyITSTPCTracks(kFALSE),
199 fAlignFilterSkipExtra(kFALSE),
200 fAlignFilterMaxMatchingAngle(0.085),
201 fAlignFilterMinAngleWrtModulePlanes(0.52),
202 fAlignFilterMinPt(0.),
203 fAlignFilterMaxPt(1.e10),
204 fAlignFilterFillQANtuples(kTRUE),
206 fMultCutPxDrSPDin(0.1),
207 fMultCutPxDrSPDout(0.15),
210 fMultCutMinElectronProbTPC(0.5),
211 fMultCutMinElectronProbESD(0.1),
213 fMultCutMinRGamma(2.),
215 fMultCutMinPointAngle(0.98),
216 fMultCutMaxDCADauther(0.5),
217 fMultCutMassGamma(0.03),
218 fMultCutMassGammaNSigma(5.),
219 fMultCutMassK0(0.03),
220 fMultCutMassK0NSigma(5.),
221 fMultCutChi2cGamma(2.),
223 fMultCutGammaSFromDecay(-10.),
224 fMultCutK0SFromDecay(-10.),
227 fCorrectLorentzAngleSPD(kTRUE),
228 fTanLorentzAngleHolesSPD(0.017455), // tan(1 degree)
229 fCorrectLorentzAngleSSD(kTRUE),
230 fTanLorentzAngleHolesSSD(0.016), // tan(0.94 degrees)
231 fTanLorentzAngleElectronsSSD(0.068), // tan(3.98 degrees)
242 SetLayersParameters();
243 for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) fLayersToSkip[i]=0;
244 SetUseTGeoInTracker(3);
246 SetAllowSharedClusters(kTRUE);
248 SetAddVirtualClustersInDeadZone(kFALSE);
249 SetUseAmplitudeInfo(kTRUE);
250 SetClusterErrorsParam(1);
251 SetClusterMisalError(0.);
252 SetClusterMisalErrorBOn(0.);
253 SetVertexer3DDefaults();
255 for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) fAlignFilterUseLayer[i]=kTRUE;
256 fESDV0Params = new AliESDV0Params();
258 fESDV0Params->SetMaxDist0(0.1);
259 fESDV0Params->SetMaxDist1(0.1);
260 fESDV0Params->SetMaxDist(1.);
261 fESDV0Params->SetMinPointAngle(0.85);
262 fESDV0Params->SetMinPointAngle2(0.99);
263 fESDV0Params->SetMinR(0.5);
264 fESDV0Params->SetMaxR(220.);
265 fESDV0Params->SetMinPABestConst(0.9999);
266 fESDV0Params->SetMaxRBestConst(10.);
267 fESDV0Params->SetCausality0Cut(0.19);
268 fESDV0Params->SetLikelihood01Cut(0.45);
269 fESDV0Params->SetLikelihood1Cut(0.5);
270 fESDV0Params->SetCombinedCut(0.55);
271 fESDV0Params->SetMinClFullTrk(5.0);
272 fESDV0Params->SetMinTgl0(1.05);
273 fESDV0Params->SetMinRTgl0(40.0);
275 fESDV0Params->SetMinNormDistForbTgl0(3.0);
276 fESDV0Params->SetMinClForb0(4.5);
277 fESDV0Params->SetMinNormDistForb1(3.0);
278 fESDV0Params->SetMinNormDistForb2(2.0);
279 fESDV0Params->SetMinNormDistForb3(1.0);
280 fESDV0Params->SetMinNormDistForb4(4.0);
281 fESDV0Params->SetMinNormDistForb5(5.0);
282 fESDV0Params->SetMinNormDistForbProt(2.0);
283 fESDV0Params->SetMaxPidProbPionForb(0.5);
285 fESDV0Params->SetMinRTPCdensity(40.);
286 fESDV0Params->SetMaxRTPCdensity0(110.);
287 fESDV0Params->SetMaxRTPCdensity10(120.);
288 fESDV0Params->SetMaxRTPCdensity20(130.);
289 fESDV0Params->SetMaxRTPCdensity30(140.);
291 fESDV0Params->SetMinTPCdensity(0.6);
292 fESDV0Params->SetMinTgl1(1.1);
293 fESDV0Params->SetMinTgl2(1.0);
294 fESDV0Params->SetMinchi2before0(16.);
295 fESDV0Params->SetMinchi2before1(16.);
296 fESDV0Params->SetMinchi2after0(16.);
297 fESDV0Params->SetMinchi2after1(16.);
298 fESDV0Params->SetAddchi2SharedCl(18.);
299 fESDV0Params->SetAddchi2NegCl0(25.);
300 fESDV0Params->SetAddchi2NegCl1(30.);
301 fESDV0Params->SetSigp0Par0(0.0001);
302 fESDV0Params->SetSigp0Par1(0.001);
303 fESDV0Params->SetSigp0Par2(0.1);
304 fESDV0Params->SetSigpPar0(0.5);
305 fESDV0Params->SetSigpPar1(0.6);
306 fESDV0Params->SetSigpPar2(0.4);
307 fESDV0Params->SetMaxDcaLh0(0.5);
308 fESDV0Params->SetStreamLevel(0);
309 fESDV0Params->SetChi2KF(100);
310 fESDV0Params->SetRobustChi2KF(100);
313 //_____________________________________________________________________________
314 AliITSRecoParam::~AliITSRecoParam()
324 //_____________________________________________________________________________
325 AliITSRecoParam *AliITSRecoParam::GetHighFluxParam()
328 // make default reconstruction parameters for hig flux env.
330 AliITSRecoParam *param = new AliITSRecoParam();
331 param->SetVertexer3DDefaults();
332 param->SetSPDVertexerPileupAlgoOff();
333 // use of bads from OCDB
334 param->SetUseBadZonesFromOCDB(kTRUE);
335 param->SetUseSingleBadChannelsFromOCDB(kFALSE);
336 // use pointing to vertex during prolongation
337 param->SetImproveWithVertex(kTRUE);
338 // extended eta acceptance
339 param->SetExtendedEtaAcceptance(kFALSE);
340 // allow to skip layer if no cluster and no bad
341 param->SetAllowProlongationWithEmptyRoad(kFALSE);
343 param->SetEventSpecie(AliRecoParam::kHighMult);
345 param->fMaxSnp = 0.95;
347 param->fNSigmaYLayerForRoadY = 4.;
348 param->fNSigmaRoadY = 7.5;
349 param->fNSigmaZLayerForRoadZ = 4.;
350 param->fNSigmaRoadZ = 7.5;
352 param->fNSigma2RoadZC = 60.; //7.75^2
353 param->fNSigma2RoadYC = 60.; //7.75^2
354 param->fNSigma2RoadZNonC = 50.; //7.07^2
355 param->fNSigma2RoadYNonC = 50.; //7.07^2
357 param->fMaxChi2PerCluster[0] = 11.; //7
358 param->fMaxChi2PerCluster[1] = 12.; //5
359 param->fMaxChi2PerCluster[2] = 12.; //8
360 param->fMaxChi2PerCluster[3] = 5.; //8
361 param->fMaxChi2PerCluster[4] = 12.; //6.5
363 param->fMaxNormChi2NonC[0] = 7.;
364 param->fMaxNormChi2NonC[1] = 8.;
365 param->fMaxNormChi2NonC[2] = 8.;
366 param->fMaxNormChi2NonC[3] = 11.;
367 param->fMaxNormChi2NonC[4] = 14.;
368 param->fMaxNormChi2NonC[5] = 25.;
370 param->fMaxNormChi2C[0] = 11.;
371 param->fMaxNormChi2C[1] = 13.;
372 param->fMaxNormChi2C[2] = 15.;
373 param->fMaxNormChi2C[3] = 18.;
374 param->fMaxNormChi2C[4] = 30.;
375 param->fMaxNormChi2C[5] = 35.;
377 param->fMaxNormChi2NonCForHypothesis = 7.;
379 param->fMaxChi2 = 35.;
381 param->fMaxChi2s[0] = 25.; //40
382 param->fMaxChi2s[1] = 25.; //40
383 param->fMaxChi2s[2] = 25.; //40
384 param->fMaxChi2s[3] = 25.; //40
385 param->fMaxChi2s[4] = 40.; //40
386 param->fMaxChi2s[5] = 50.; //40
388 param->fMaxRoad = 6.;
391 param->fMaxChi2In = 16.;
393 param->fMaxChi2sR[0] = 10.;
394 param->fMaxChi2sR[1] = 10.;
395 param->fMaxChi2sR[2] = 10.;
396 param->fMaxChi2sR[3] = 10.;
397 param->fMaxChi2sR[4] = 30.;
398 param->fMaxChi2sR[5] = 40.;
401 param->fChi2PerCluster = 9.;
403 param->fSearchForExtras = kFALSE;
408 param->fSigmaXV = 0.0050;
409 param->fSigmaYV = 0.0050;
410 param->fSigmaZV = 0.0100;
412 param->fVertexCut = 25.;
414 param->fMaxDZforPrimTrk = 0.4;
415 param->fMaxDZToUseConstraint = 3.;
417 param->fMaxDforV0dghtrForProlongation = 30.;
418 param->fMaxDForProlongation = 40.;//10.;
419 param->fMaxDZForProlongation = 60.;//20.;
420 param->fMinPtForProlongation = 0.120;
422 param->fZWindowDeadZone = 2.0;
423 param->fSigmaXDeadZoneHit2 = 0.004/12.;
424 param->fSigmaZDeadZoneHit2 = 0.001/12.;
425 param->fXPassDeadZoneHits = 0.018;
428 param->fMultCutPxDrSPDin = 0.1;
429 param->fMultCutPxDrSPDout = 0.15;
430 param->fMultCutPxDz = 0.2;
431 param->fMultCutDCArz = 0.5;
432 param->fMultCutMinElectronProbTPC = 0.5;
433 param->fMultCutMinElectronProbESD = 0.1;
434 param->fMultCutMinP = 0.05;
435 param->fMultCutMinRGamma = 2.;
436 param->fMultCutMinRK0 = 1.;
437 param->fMultCutMinPointAngle = 0.98;
438 param->fMultCutMaxDCADauther = 0.5;
439 param->fMultCutMassGamma = 0.03;
440 param->fMultCutMassGammaNSigma = 5.;
441 param->fMultCutMassK0 = 0.03;
442 param->fMultCutMassK0NSigma = 5.;
443 param->fMultCutChi2cGamma = 2.;
444 param->fMultCutChi2cK0 = 2.;
445 param->fMultCutGammaSFromDecay = -10.;
446 param->fMultCutK0SFromDecay = -10.;
447 param->fMultCutMaxDCA = 1.;
450 param->fTrackleterPhiWindow = 0.06;
451 param->fTrackleterBuildCl2TrkRefs = kFALSE;
452 param->fScaleDTBySin2T = kTRUE;
454 param->fSelectBestMIP03 = kFALSE;//kTRUE;
455 param->fFlagFakes = kTRUE;
456 param->fUseImproveKalman= kFALSE;
460 //_____________________________________________________________________________
461 AliITSRecoParam *AliITSRecoParam::GetLowFluxParam()
464 // make default reconstruction parameters for low flux env.
466 AliITSRecoParam *param = new AliITSRecoParam();
467 param->SetVertexer3DDefaults();
469 // full use of bads from OCDB
470 param->SetUseBadZonesFromOCDB(kTRUE);
471 param->SetUseSingleBadChannelsFromOCDB(kTRUE);
472 // extended eta acceptance
473 param->SetExtendedEtaAcceptance(kTRUE);
474 // allow to skip layer if no cluster and no bad
475 param->SetAllowProlongationWithEmptyRoad(kTRUE);
477 param->SetEventSpecie(AliRecoParam::kLowMult);
479 param->fMaxSnp = 0.95;
481 param->fNSigmaYLayerForRoadY = 4.;
482 param->fNSigmaRoadY = 7.5;
483 param->fNSigmaZLayerForRoadZ = 4.;
484 param->fNSigmaRoadZ = 7.5;
486 param->fNSigma2RoadZC = 60.; //7.75^2
487 param->fNSigma2RoadYC = 60.; //7.75^2
488 param->fNSigma2RoadZNonC = 50.; //7.07^2
489 param->fNSigma2RoadYNonC = 50.; //7.07^2
491 param->fMaxChi2PerCluster[0] = 11.; //7
492 param->fMaxChi2PerCluster[1] = 12.; //5
493 param->fMaxChi2PerCluster[2] = 12.; //8
494 param->fMaxChi2PerCluster[3] = 5.; //8
495 param->fMaxChi2PerCluster[4] = 12.; //6.5
497 param->fMaxNormChi2NonC[0] = 7.;
498 param->fMaxNormChi2NonC[1] = 8.;
499 param->fMaxNormChi2NonC[2] = 8.;
500 param->fMaxNormChi2NonC[3] = 11.;
501 param->fMaxNormChi2NonC[4] = 14.;
502 param->fMaxNormChi2NonC[5] = 25.;
504 param->fMaxNormChi2C[0] = 11.;
505 param->fMaxNormChi2C[1] = 13.;
506 param->fMaxNormChi2C[2] = 15.;
507 param->fMaxNormChi2C[3] = 18.;
508 param->fMaxNormChi2C[4] = 30.;
509 param->fMaxNormChi2C[5] = 35.;
511 param->fMaxNormChi2NonCForHypothesis = 7.;
513 param->fMaxChi2 = 35.;
515 param->fMaxChi2s[0] = 25.; //40
516 param->fMaxChi2s[1] = 25.; //40
517 param->fMaxChi2s[2] = 25.; //40
518 param->fMaxChi2s[3] = 25.; //40
519 param->fMaxChi2s[4] = 40.; //40
520 param->fMaxChi2s[5] = 50.; //40
522 param->fMaxRoad = 6.;
525 param->fMaxChi2In = 16.;
527 param->fMaxChi2sR[0] = 10.;
528 param->fMaxChi2sR[1] = 10.;
529 param->fMaxChi2sR[2] = 10.;
530 param->fMaxChi2sR[3] = 10.;
531 param->fMaxChi2sR[4] = 30.;
532 param->fMaxChi2sR[5] = 40.;
534 param->fChi2PerCluster = 9.;
540 param->fSigmaXV = 0.0050;
541 param->fSigmaYV = 0.0050;
542 param->fSigmaZV = 0.0100;
544 param->fVertexCut = 25.;
546 param->fMaxDZforPrimTrk = 0.4;
547 param->fMaxDZToUseConstraint = 3.;
549 param->fMaxDforV0dghtrForProlongation = 30.;
550 param->fMaxDForProlongation = 40.;//10.;
551 param->fMaxDZForProlongation = 60.;//20.;
552 param->fMinPtForProlongation = 0.120;
554 param->fZWindowDeadZone = 2.0;
555 param->fSigmaXDeadZoneHit2 = 0.004/12.;
556 param->fSigmaZDeadZoneHit2 = 0.001/12.;
557 param->fXPassDeadZoneHits = 0.018;
558 param->SetNLoopsSA(20);
559 param->fMaxPhiSA = 0.07;
560 param->fMaxLambdaSA = 0.04;
562 param->GetESDV0Params()->SetMinRTgl0(0.5);
563 param->GetESDV0Params()->SetMaxDist(1.5);
564 param->GetESDV0Params()->SetMaxDcaLh0(1.5);
565 param->GetESDV0Params()->SetMaxRBestConst(80);
566 param->GetESDV0Params()->SetMinPABestConst(0.99);
567 param->GetESDV0Params()->SetMinNormDistForbTgl0(1.);
568 param->GetESDV0Params()->SetMinNormDistForb1(2.);
569 param->GetESDV0Params()->SetMinNormDistForbProt(1.);
570 param->GetESDV0Params()->SetMaxPidProbPionForb(0.7);
571 param->GetESDV0Params()->SetLikelihood01Cut(0.3);
572 param->GetESDV0Params()->SetLikelihood1Cut(0.35);
573 param->GetESDV0Params()->SetCombinedCut(0.4);
576 param->fTrackleterBuildCl2TrkRefs = kTRUE;
579 param->fMultCutPxDrSPDin = 0.1;
580 param->fMultCutPxDrSPDout = 0.15;
581 param->fMultCutPxDz = 0.2;
582 param->fMultCutDCArz = 0.5;
583 param->fMultCutMinElectronProbTPC = 0.5;
584 param->fMultCutMinElectronProbESD = 0.1;
585 param->fMultCutMinP = 0.05;
586 param->fMultCutMinRGamma = 2.;
587 param->fMultCutMinRK0 = 1.;
588 param->fMultCutMinPointAngle = 0.98;
589 param->fMultCutMaxDCADauther = 0.5;
590 param->fMultCutMassGamma = 0.03;
591 param->fMultCutMassGammaNSigma = 5.;
592 param->fMultCutMassK0 = 0.03;
593 param->fMultCutMassK0NSigma = 5.;
594 param->fMultCutChi2cGamma = 2.;
595 param->fMultCutChi2cK0 = 2.;
596 param->fMultCutGammaSFromDecay = -10.;
597 param->fMultCutK0SFromDecay = -10.;
598 param->fMultCutMaxDCA = 1.;
603 //_____________________________________________________________________________
604 AliITSRecoParam *AliITSRecoParam::GetCosmicTestParam()
607 // make default reconstruction parameters for cosmics
609 AliITSRecoParam *param = new AliITSRecoParam();
611 // vertexer for cosmics
612 param->SetVertexer(2);
614 param->SetClusterErrorsParam(2);
615 param->SetFindV0s(kFALSE);
616 param->SetAddVirtualClustersInDeadZone(kFALSE);
617 param->SetUseAmplitudeInfo(kFALSE);
620 param->SetEventSpecie(AliRecoParam::kCosmic);
622 // full use of bads from OCDB
623 param->SetUseBadZonesFromOCDB(kTRUE);
624 param->SetUseSingleBadChannelsFromOCDB(kTRUE);
626 // find independently ITS SA tracks
627 param->SetSAUseAllClusters();
628 param->SetOuterStartLayerSA(AliITSgeomTGeo::GetNLayers()-2);
630 //****** COSMICS 2009 (same as COSMICS 2008) *********************
632 // to maximize efficiency
633 param->SetAllowProlongationWithEmptyRoad();
634 param->SetMinNPointsSA(2);
636 // larger seach windows for SA (in case of large misalignments)
637 param->SetNLoopsSA(32);
638 param->SetFactorSAWindowSizes(20);
640 // additional error due to misal (B off)
641 param->SetClusterMisalErrorY(1.0,1.0,1.0,1.0,1.0,1.0); // [cm]
642 param->SetClusterMisalErrorZ(1.0,1.0,1.0,1.0,1.0,1.0); // [cm]
643 // additional error due to misal (B on)
644 param->SetClusterMisalErrorYBOn(0.0,0.0,0.1,0.1,0.1,0.1); // [cm]
645 param->SetClusterMisalErrorZBOn(0.1,0.1,0.1,0.1,0.1,0.1); // [cm]
649 param->fUseSDDCorrectionMaps = kFALSE;
650 param->fUseSDDClusterSizeSelection=kTRUE;
651 param->fMinClusterChargeSDD=30.;
654 // alignment data filter
655 param->SetAlignFilterCosmics(kTRUE);
656 param->SetAlignFilterCosmicMergeTracks(kTRUE);
657 param->SetAlignFilterMinITSPoints(1);
658 param->SetAlignFilterMinITSPointsMerged(3);
659 param->SetAlignFilterOnlyITSSATracks(kTRUE);
660 param->SetAlignFilterOnlyITSTPCTracks(kFALSE);
661 param->SetAlignFilterSkipExtra(kFALSE);
662 param->SetAlignFilterMaxMatchingAngle(0.085/*5deg*/);
663 param->SetAlignFilterMinPt(0.2);
664 param->SetAlignFilterMaxPt(1.e10);
665 param->SetAlignFilterFillQANtuples(kTRUE);
667 //******************************************************************
669 param->fMaxSnp = 0.95;
671 param->fNSigmaYLayerForRoadY = 4.;
672 param->fNSigmaRoadY = 7.5;
673 param->fNSigmaZLayerForRoadZ = 4.;
674 param->fNSigmaRoadZ = 7.5;
676 param->fNSigma2RoadZC = 60.; //7.75^2
677 param->fNSigma2RoadYC = 60.; //7.75^2
678 param->fNSigma2RoadZNonC = 50.; //7.07^2
679 param->fNSigma2RoadYNonC = 50.; //7.07^2
681 param->fMaxChi2PerCluster[0] = 11.; //7
682 param->fMaxChi2PerCluster[1] = 12.; //5
683 param->fMaxChi2PerCluster[2] = 12.; //8
684 param->fMaxChi2PerCluster[3] = 5.; //8
685 param->fMaxChi2PerCluster[4] = 12.; //6.5
687 param->fMaxNormChi2NonC[0] = 7.;
688 param->fMaxNormChi2NonC[1] = 8.;
689 param->fMaxNormChi2NonC[2] = 8.;
690 param->fMaxNormChi2NonC[3] = 11.;
691 param->fMaxNormChi2NonC[4] = 14.;
692 param->fMaxNormChi2NonC[5] = 25.;
694 param->fMaxNormChi2C[0] = 11.;
695 param->fMaxNormChi2C[1] = 13.;
696 param->fMaxNormChi2C[2] = 15.;
697 param->fMaxNormChi2C[3] = 18.;
698 param->fMaxNormChi2C[4] = 30.;
699 param->fMaxNormChi2C[5] = 35.;
701 param->fMaxNormChi2NonCForHypothesis = 7.;
703 param->fMaxChi2 = 35.;
705 param->fMaxChi2s[0] = 25.; //40
706 param->fMaxChi2s[1] = 25.; //40
707 param->fMaxChi2s[2] = 25.; //40
708 param->fMaxChi2s[3] = 25.; //40
709 param->fMaxChi2s[4] = 40.; //40
710 param->fMaxChi2s[5] = 50.; //40
712 param->fMaxRoad = 6.;
715 param->fMaxChi2In = 16.;
717 param->fMaxChi2sR[0] = 10.;
718 param->fMaxChi2sR[1] = 10.;
719 param->fMaxChi2sR[2] = 10.;
720 param->fMaxChi2sR[3] = 10.;
721 param->fMaxChi2sR[4] = 30.;
722 param->fMaxChi2sR[5] = 40.;
724 param->fChi2PerCluster = 9.;
730 param->fSigmaXV = 0.0050;
731 param->fSigmaYV = 0.0050;
732 param->fSigmaZV = 0.0100;
734 param->fVertexCut = 25.;
736 param->fMaxDZforPrimTrk = 0.4;
737 param->fMaxDZToUseConstraint = 3.;
739 param->fMaxDforV0dghtrForProlongation = 30.;
740 param->fMaxDForProlongation = 10.;
741 param->fMaxDZForProlongation = 20.;
742 param->fMinPtForProlongation = 0.120;
744 param->fZWindowDeadZone = 2.0;
745 param->fSigmaXDeadZoneHit2 = 0.004/12.;
746 param->fSigmaZDeadZoneHit2 = 0.001/12.;
747 param->fXPassDeadZoneHits = 0.018;
750 param->fTrackleterBuildCl2TrkRefs = kFALSE;
754 //_____________________________________________________________________________
755 AliITSRecoParam *AliITSRecoParam::GetPlaneEffParam(Int_t i)
758 // make special reconstruction parameters for Plane Efficiency study on layer i (0,5)
760 // if i=-1, then the evaluation for both pixel layers is tried with the tracklet method
762 if (i<-1 || i>=AliITSgeomTGeo::kNLayers) {
763 printf("AliITSRecoParam::GetPlaneEffParam: index of ITS Plane nor in the range [0,5] neither =-1\n");
764 printf("returning null pointer");
767 if(i>=0) { // Method using tracks (remove given plane from tracking)
768 AliITSRecoParam *param;
769 param = GetLowFluxParam();
770 param->SetClusterErrorsParam(2);
771 // find independently ITS SA tracks
772 param->SetSAUseAllClusters();
773 param->SetOuterStartLayerSA(2);
774 param->SetAllowProlongationWithEmptyRoad(kTRUE);
775 // larger seach windows for SA (in case of large misalignments)
776 param->SetFactorSAWindowSizes(2);
778 // Misalignment syst errors decided at ITS meeting 25.03.2010
779 // additional error due to misal (B off)
780 param->SetClusterMisalErrorY(0.0010,0.0010,0.0300,0.0300,0.0020,0.0020); // [cm]
781 param->SetClusterMisalErrorZ(0.0100,0.0100,0.0100,0.0100,0.0500,0.0500); // [cm]
782 // additional error due to misal (B on)
783 param->SetClusterMisalErrorYBOn(0.0010,0.0030,0.0500,0.0500,0.0020,0.0020); // [cm]
784 param->SetClusterMisalErrorZBOn(0.0100,0.0100,0.0100,0.0100,0.0500,0.0500); // [cm]
788 param->SetUseSDDCorrectionMaps(kTRUE); // changed 30.04.2010
789 param->SetUseSDDClusterSizeSelection(kTRUE);
790 param->SetMinClusterChargeSDD(30.);
791 param->SetUseUnfoldingInClusterFinderSDD(kFALSE);
793 param->SetComputePlaneEff();
794 param->SetLayerToSkip(i);
795 param->SetIPlanePlaneEff(i);
796 param->fNSigXFromBoundaryPlaneEff= 1.;
797 param->fNSigZFromBoundaryPlaneEff= 1.;
798 // optimized setting for SPD0 (i==0)
800 param->fMinPtPlaneEff = 0.200; // high pt particles
801 param->fMaxMissingClustersPlaneEff = 2; // at most 2 layers out of 5 without cluster
802 param->fMaxMissingClustersOutPlaneEff = 2; // at most 2 layers out of 5 external ones without cluster
803 param->fRequireClusterInOuterLayerPlaneEff = kTRUE; // cluster on SPD1 must be
804 //param->fOnlyConstraintPlaneEff = kTRUE;
807 param->fMinPtPlaneEff = 0.200; // high pt particles
808 param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
809 param->fMaxMissingClustersOutPlaneEff = 2; // at most 2 layer out of 4 external ones without cluster
810 //param->fRequireClusterInOuterLayerPlaneEff = kTRUE; // cluster on SSD1 must be
813 param->fMinPtPlaneEff = 0.200; // high pt particles
814 param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
815 param->fMaxMissingClustersOutPlaneEff = 2; // at most 2 layer out of 3 external ones without cluster
816 //param->fRequireClusterInOuterLayerPlaneEff = kTRUE;
817 //param->fOnlyConstraintPlaneEff = kTRUE;
820 param->fMinPtPlaneEff = 0.200; // high pt particles
821 param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
822 param->fMaxMissingClustersOutPlaneEff = 1; // at most 1 layer out of 2 external ones without cluster
825 param->fMinPtPlaneEff = 0.200; // high pt particles
826 param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
827 param->fMaxMissingClustersOutPlaneEff = 1; // at most 1 layer out of 1 external ones without cluster
828 // param->fRequireClusterInOuterLayerPlaneEff = kTRUE;
829 //param->fOnlyConstraintPlaneEff = kTRUE;
832 param->fMinPtPlaneEff = 0.200; // high pt particles
833 param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
838 else if (i==-1) { // Method using tracklets
839 AliITSRecoParam *param;
840 param = GetLowFluxParam();
841 param->SetIPlanePlaneEff(i);
842 param->SetComputePlaneEff(kTRUE,kFALSE);
843 param->SetUseTrackletsPlaneEff(kTRUE);
844 param->SetTrackleterPhiWindowL2(0.07);
845 param->SetTrackleterZetaWindowL2(0.4);
846 param->SetTrackleterPhiWindowL1(0.10);
847 param->SetTrackleterZetaWindowL1(0.6);
848 param->SetUpdateOncePerEventPlaneEff(kTRUE);
849 param->SetMinContVtxPlaneEff(3);
853 AliErrorGeneral("AliITSRecoParam",Form("Unrecognised value of i %d\n",i));
858 //_____________________________________________________________________________
859 void AliITSRecoParam::SetLayersParameters()
862 // number of layers and layers spatial resolutions
865 // spatial resolutions of the detectors
866 // y: 12 12 38 38 20 20 micron
869 fSigmaY2[2]=1.444e-5;
870 fSigmaY2[3]=1.444e-5;
873 // z: 120 120 28 28 830 830 micron
878 fSigmaZ2[4]=6.889e-3;
879 fSigmaZ2[5]=6.889e-3;
883 //_____________________________________________________________________________
884 void AliITSRecoParam::PrintParameters() const
890 printf("============================= AliITSRecoParam::PrintParameters ");
891 printf("============================= \n\n");
892 for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) {
893 if(!fLayersToSkip[i]) {
894 printf("ITS Traking: using layer %d\n",i);
896 printf("ITS Traking: skipping layer %d\n",i);
899 for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) {
900 if(fUseAmplitudeInfo[i]) {
901 printf("ITS Traking: use amplitude info for layer %d\n",i);
903 printf("ITS Traking: don't use amplitude info for layer %d\n",i);
906 for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++)
907 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]);
916 //_____________________________________________________________________________
917 Bool_t AliITSRecoParam::SetOptReco(TString r){
918 // Set option for local reconstruction.
919 // The string must contain at least one of the following
920 // substrings: "All", "SPD", "SDD", "SSD"
921 Bool_t isFine = kFALSE;
922 if(r.Contains("All") || r.Contains("SPD") || r.Contains("SDD")
923 || r.Contains("SSD")){