ITS/AliITSRecoParam.cxx

   1 /**************************************************************************
   2  * Copyright(c) 2007-2009, ALICE Experiment at CERN, All rights reserved. *
   3  *                                                                        *
   4  * Author: The ALICE Off-line Project.                                    *
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  10  * copies and that both the copyright notice and this permission notice   *
  11  * appear in the supporting documentation. The authors make no claims     *
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  13  * provided "as is" without express or implied warranty.                  *
  14  **************************************************************************/
  15
  16 #include "AliITSRecoParam.h"
  17 #include "AliESDV0Params.h"
  18 #include "AliLog.h"
  19
  20 /* $Id$ */
  21
  22 ///////////////////////////////////////////////////////////////////////////////
  23 //                                                                           //
  24 // Class with ITS reconstruction parameters                                  //
  25 // Origin: andrea.dainese@lnl.infn.it                                        //
  26 //                                                                           //
  27 ///////////////////////////////////////////////////////////////////////////////
  28
  29
  30
  31 ClassImp(AliITSRecoParam)
  32
  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;
  62
  63 //_____________________________________________________________________________
  64 AliITSRecoParam::AliITSRecoParam() : AliDetectorRecoParam(),
  65 fTracker(0),
  66 fITSonly(kFALSE),
  67 fVertexer(0),
  68 fPID(0),
  69 fVtxr3DZCutWide(0.),
  70 fVtxr3DRCutWide(0.),
  71 fVtxr3DZCutNarrow(0.),
  72 fVtxr3DRCutNarrow(0.),
  73 fVtxr3DPhiCutLoose(0.),
  74 fVtxr3DPhiCutTight(0.),
  75 fVtxr3DDCACut(0.),
  76 fVtxr3DPileupAlgo(1),
  77 fVtxr3DHighMultAlgo(1),
  78 fMaxSnp(1.),
  79 fNSigmaYLayerForRoadY(0),
  80 fNSigmaRoadY(0),
  81 fNSigmaZLayerForRoadZ(0),
  82 fNSigmaRoadZ(0),
  83 fNSigma2RoadZC(0),
  84 fNSigma2RoadYC(0),
  85 fNSigma2RoadZNonC(0),
  86 fNSigma2RoadYNonC(0),
  87 fRoadMisal(0),
  88 fMaxNormChi2NonCForHypothesis(0),
  89 fMaxChi2(0),
  90 fMaxRoad(0),
  91 fMaxChi2In(0),
  92 fChi2PerCluster(0),
  93 fSearchForExtras(kTRUE),
  94 fXV(0),
  95 fYV(0),
  96 fZV(0),
  97 fSigmaXV(0),
  98 fSigmaYV(0),
  99 fSigmaZV(0),
 100 fVertexCut(0),
 101 fMaxDZforPrimTrk(0),
 102 fMaxDZToUseConstraint(0),
 103 fMaxDforV0dghtrForProlongation(0),
 104 fMaxDForProlongation(0),
 105 fMaxDZForProlongation(0),
 106 fMinPtForProlongation(0),
 107 fAddVirtualClustersInDeadZone(kFALSE),
 108 fZWindowDeadZone(0),
 109 fSigmaXDeadZoneHit2(0),
 110 fSigmaZDeadZoneHit2(0),
 111 fXPassDeadZoneHits(0),
 112 fSkipSubdetsNotInTriggerCluster(kTRUE),
 113 fUseTGeoInTracker(3),
 114 fStepSizeTGeo(5.),
 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),
 128 fIPlanePlaneEff(0),
 129 fReadPlaneEffFromOCDB(kFALSE),
 130 fMinPtPlaneEff(0),
 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),
 158 fMinNPointsSA(3),
 159 fFactorSAWindowSizes(1.),
 160 fNLoopsSA(32),
 161 fMinPhiSA(0.002),
 162 fMaxPhiSA(0.0145),
 163 fMinLambdaSA(0.003),
 164 fMaxLambdaSA(0.008),
 165 fMinClusterChargeSA(0.),
 166 fSAOnePointTracks(kFALSE),
 167 fSAUseAllClusters(kFALSE),
 168 fMaxSPDcontrForSAToUseAllClusters(1000000),
 169 fSAUsedEdxInfo(kFALSE),
 170 fSelectBestMIP03(kFALSE),
 171 fFlagFakes(kFALSE),
 172 fUseImproveKalman(kFALSE),
 173 fFindV0s(kTRUE),
 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),
 194 //
 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),
 213 //
 214 fMultCutPxDrSPDin(0.1),
 215 fMultCutPxDrSPDout(0.15),
 216 fMultCutPxDz(0.2),
 217 fMultCutDCArz(0.5),
 218 fMultCutMinElectronProbTPC(0.5),
 219 fMultCutMinElectronProbESD(0.1),
 220 fMultCutMinP(0.05),
 221 fMultCutMinRGamma(2.),
 222 fMultCutMinRK0(1.),
 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.),
 230 fMultCutChi2cK0(2.),
 231 fMultCutGammaSFromDecay(-10.),
 232 fMultCutK0SFromDecay(-10.),
 233 fMultCutMaxDCA(1.),
 234 //
 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)
 240 //
 241 fOptReco("All"),
 242 fESDV0Params(NULL)
 243 {
 244   //
 245   // constructor
 246   //
 247   SetName("ITS");
 248   SetTitle("ITS");
 249
 250   SetLayersParameters();
 251   for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) fLayersToSkip[i]=0;
 252   SetUseTGeoInTracker(3);
 253   SetStepSizeTGeo(5.);
 254   SetAllowSharedClusters(kTRUE);
 255   SetFindV0s(kTRUE);
 256   SetAddVirtualClustersInDeadZone(kFALSE);
 257   SetUseAmplitudeInfo(kTRUE);
 258   SetClusterErrorsParam(1);
 259   SetClusterMisalError(0.);
 260   SetClusterMisalErrorBOn(0.);
 261   SetVertexer3DDefaults();
 262
 263   for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) fAlignFilterUseLayer[i]=kTRUE;
 264   fESDV0Params = new AliESDV0Params();
 265
 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);
 282
 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);
 292
 293   fESDV0Params->SetMinRTPCdensity(40.);
 294   fESDV0Params->SetMaxRTPCdensity0(110.);
 295   fESDV0Params->SetMaxRTPCdensity10(120.);
 296   fESDV0Params->SetMaxRTPCdensity20(130.);
 297   fESDV0Params->SetMaxRTPCdensity30(140.);
 298
 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);
 319
 320 }
 321 //_____________________________________________________________________________
 322 AliITSRecoParam::~AliITSRecoParam()
 323 {
 324   //
 325   // destructor
 326   //
 327   if(fESDV0Params){
 328     delete fESDV0Params;
 329     fESDV0Params=NULL;
 330   }
 331 }
 332 //_____________________________________________________________________________
 333 AliITSRecoParam *AliITSRecoParam::GetHighFluxParam()
 334 {
 335   //
 336   // make default reconstruction  parameters for hig  flux env.
 337   //
 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);
 350   // set event specie
 351   param->SetEventSpecie(AliRecoParam::kHighMult);
 352
 353   param->fMaxSnp = 0.95;
 354
 355   param->fNSigmaYLayerForRoadY = 4.;
 356   param->fNSigmaRoadY = 7.5;
 357   param->fNSigmaZLayerForRoadZ = 4.;
 358   param->fNSigmaRoadZ = 7.5;
 359
 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
 364
 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
 370
 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.;
 377
 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.;
 384
 385   param->fMaxNormChi2NonCForHypothesis = 7.;
 386
 387   param->fMaxChi2 = 35.;
 388
 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
 395
 396   param->fMaxRoad = 6.;
 397
 398   // not used
 399   param->fMaxChi2In = 16.;
 400
 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.;
 407
 408
 409   param->fChi2PerCluster = 9.;
 410   // not used
 411   param->fSearchForExtras = kFALSE;
 412
 413   param->fXV = 0.;
 414   param->fYV = 0.;
 415   param->fZV = 0.;
 416   param->fSigmaXV = 0.0050;
 417   param->fSigmaYV = 0.0050;
 418   param->fSigmaZV = 0.0100;
 419
 420   param->fVertexCut = 25.;
 421
 422   param->fMaxDZforPrimTrk = 0.4;
 423   param->fMaxDZToUseConstraint = 3.;
 424
 425   param->fMaxDforV0dghtrForProlongation = 30.;
 426   param->fMaxDForProlongation = 40.;//10.;
 427   param->fMaxDZForProlongation = 60.;//20.;
 428   param->fMinPtForProlongation = 0.120;
 429
 430   param->fZWindowDeadZone = 2.0;
 431   param->fSigmaXDeadZoneHit2 = 0.004/12.;
 432   param->fSigmaZDeadZoneHit2 = 0.001/12.;
 433   param->fXPassDeadZoneHits = 0.018;
 434   //
 435   // mult reco
 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.;
 456   //
 457   // trackleter
 458   param->fTrackleterPhiWindow = 0.06;
 459   param->fTrackleterBuildCl2TrkRefs = kFALSE;
 460   param->fScaleDTBySin2T = kTRUE;
 461   //
 462   param->fSelectBestMIP03 = kFALSE;//kTRUE;
 463   param->fFlagFakes       = kTRUE;
 464   param->fUseImproveKalman= kFALSE;
 465   //
 466   return param;
 467 }
 468 //_____________________________________________________________________________
 469 AliITSRecoParam *AliITSRecoParam::GetLowFluxParam()
 470 {
 471   //
 472   // make default reconstruction  parameters for low  flux env.
 473   //
 474   AliITSRecoParam *param = new AliITSRecoParam();
 475   param->SetVertexer3DDefaults();
 476
 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);
 484   // set event specie
 485   param->SetEventSpecie(AliRecoParam::kLowMult);
 486
 487   param->fMaxSnp = 0.95;
 488
 489   param->fNSigmaYLayerForRoadY = 4.;
 490   param->fNSigmaRoadY = 7.5;
 491   param->fNSigmaZLayerForRoadZ = 4.;
 492   param->fNSigmaRoadZ = 7.5;
 493
 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
 498
 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
 504
 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.;
 511
 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.;
 518
 519   param->fMaxNormChi2NonCForHypothesis = 7.;
 520
 521   param->fMaxChi2 = 35.;
 522
 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
 529
 530   param->fMaxRoad = 6.;
 531
 532   // not used
 533   param->fMaxChi2In = 16.;
 534
 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.;
 541
 542   param->fChi2PerCluster = 9.;
 543   // not used
 544
 545   param->fXV = 0.;
 546   param->fYV = 0.;
 547   param->fZV = 0.;
 548   param->fSigmaXV = 0.0050;
 549   param->fSigmaYV = 0.0050;
 550   param->fSigmaZV = 0.0100;
 551
 552   param->fVertexCut = 25.;
 553
 554   param->fMaxDZforPrimTrk = 0.4;
 555   param->fMaxDZToUseConstraint = 3.;
 556
 557   param->fMaxDforV0dghtrForProlongation = 30.;
 558   param->fMaxDForProlongation = 40.;//10.;
 559   param->fMaxDZForProlongation = 60.;//20.;
 560   param->fMinPtForProlongation = 0.120;
 561
 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;
 569
 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);
 582
 583   // trackleter
 584   param->fTrackleterBuildCl2TrkRefs = kTRUE;
 585
 586   // mult reco
 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.;
 607   //
 608
 609   return param;
 610 }
 611 //_____________________________________________________________________________
 612 AliITSRecoParam *AliITSRecoParam::GetCosmicTestParam()
 613 {
 614   //
 615   // make default reconstruction  parameters for cosmics
 616   //
 617   AliITSRecoParam *param = new AliITSRecoParam();
 618
 619   // vertexer for cosmics
 620   param->SetVertexer(2);
 621
 622   param->SetClusterErrorsParam(2);
 623   param->SetFindV0s(kFALSE);
 624   param->SetAddVirtualClustersInDeadZone(kFALSE);
 625   param->SetUseAmplitudeInfo(kFALSE);
 626
 627   // set event specie
 628   param->SetEventSpecie(AliRecoParam::kCosmic);
 629
 630   // full use of bads from OCDB
 631   param->SetUseBadZonesFromOCDB(kTRUE);
 632   param->SetUseSingleBadChannelsFromOCDB(kTRUE);
 633
 634   // find independently ITS SA tracks
 635   param->SetSAUseAllClusters();
 636   param->SetOuterStartLayerSA(AliITSgeomTGeo::GetNLayers()-2);
 637
 638   //****** COSMICS 2009 (same as COSMICS 2008) *********************
 639
 640   // to maximize efficiency
 641   param->SetAllowProlongationWithEmptyRoad();
 642   param->SetMinNPointsSA(2);
 643
 644   // larger seach windows for SA (in case of large misalignments)
 645   param->SetNLoopsSA(32);
 646   param->SetFactorSAWindowSizes(20);
 647
 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]
 654
 655
 656   // SDD configuration
 657   param->fUseSDDCorrectionMaps = kFALSE;
 658   param->fUseSDDClusterSizeSelection=kTRUE;
 659   param->fMinClusterChargeSDD=30.;
 660
 661
 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);
 674
 675   //******************************************************************
 676
 677   param->fMaxSnp = 0.95;
 678
 679   param->fNSigmaYLayerForRoadY = 4.;
 680   param->fNSigmaRoadY = 7.5;
 681   param->fNSigmaZLayerForRoadZ = 4.;
 682   param->fNSigmaRoadZ = 7.5;
 683
 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
 688
 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
 694
 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.;
 701
 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.;
 708
 709   param->fMaxNormChi2NonCForHypothesis = 7.;
 710
 711   param->fMaxChi2 = 35.;
 712
 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
 719
 720   param->fMaxRoad = 6.;
 721
 722   // not used
 723   param->fMaxChi2In = 16.;
 724
 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.;
 731
 732   param->fChi2PerCluster = 9.;
 733   // not used
 734
 735   param->fXV = 0.;
 736   param->fYV = 0.;
 737   param->fZV = 0.;
 738   param->fSigmaXV = 0.0050;
 739   param->fSigmaYV = 0.0050;
 740   param->fSigmaZV = 0.0100;
 741
 742   param->fVertexCut = 25.;
 743
 744   param->fMaxDZforPrimTrk = 0.4;
 745   param->fMaxDZToUseConstraint = 3.;
 746
 747   param->fMaxDforV0dghtrForProlongation = 30.;
 748   param->fMaxDForProlongation = 10.;
 749   param->fMaxDZForProlongation = 20.;
 750   param->fMinPtForProlongation = 0.120;
 751
 752   param->fZWindowDeadZone = 2.0;
 753   param->fSigmaXDeadZoneHit2 = 0.004/12.;
 754   param->fSigmaZDeadZoneHit2 = 0.001/12.;
 755   param->fXPassDeadZoneHits = 0.018;
 756
 757   // trackleter
 758   param->fTrackleterBuildCl2TrkRefs = kFALSE;
 759
 760   return param;
 761 }
 762 //_____________________________________________________________________________
 763 AliITSRecoParam *AliITSRecoParam::GetPlaneEffParam(Int_t i)
 764 {
 765   //
 766   // make special reconstruction parameters for Plane Efficiency study on layer i (0,5)
 767   //
 768   // if i=-1, then the evaluation for both pixel layers is tried with the tracklet method
 769   //
 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");
 773     return NULL;
 774   }
 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);
 785
 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]
 793     //----
 794
 795     // SDD configuration
 796     param->SetUseSDDCorrectionMaps(kTRUE); // changed 30.04.2010
 797     param->SetUseSDDClusterSizeSelection(kTRUE);
 798     param->SetMinClusterChargeSDD(30.);
 799     param->SetUseUnfoldingInClusterFinderSDD(kFALSE);
 800     //
 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)
 807     if (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;
 813     }
 814     if (i==1 ) {
 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
 819     }
 820     if (i==2) {
 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;
 826     }
 827     if (i==3) {
 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
 831     }
 832     if (i==4) {
 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;
 838     }
 839     if (i==5) {
 840       param->fMinPtPlaneEff = 0.200; // high pt particles
 841       param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
 842     }
 843     //
 844     return param;
 845   }
 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);
 858     return param;
 859   }
 860   else {
 861     AliErrorGeneral("AliITSRecoParam",Form("Unrecognised value of i %d\n",i));
 862     return 0;
 863   }
 864 }
 865
 866 //_____________________________________________________________________________
 867 void AliITSRecoParam::SetLayersParameters()
 868 {
 869   //
 870   // number of layers and layers spatial resolutions
 871   //
 872
 873   // spatial resolutions of the detectors
 874   // y: 12 12 38 38 20 20 micron
 875   fSigmaY2[0]=1.44e-6;
 876   fSigmaY2[1]=1.44e-6;
 877   fSigmaY2[2]=1.444e-5;
 878   fSigmaY2[3]=1.444e-5;
 879   fSigmaY2[4]=4.0e-6;
 880   fSigmaY2[5]=4.0e-6;
 881   // z: 120 120 28 28 830 830 micron
 882   fSigmaZ2[0]=1.44e-4;
 883   fSigmaZ2[1]=1.44e-4;
 884   fSigmaZ2[2]=7.84e-6;
 885   fSigmaZ2[3]=7.84e-6;
 886   fSigmaZ2[4]=6.889e-3;
 887   fSigmaZ2[5]=6.889e-3;
 888
 889   return;
 890 }
 891 //_____________________________________________________________________________
 892 void AliITSRecoParam::PrintParameters() const
 893 {
 894   //
 895   // print parameters
 896   //
 897
 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);
 903     } else {
 904       printf("ITS Traking: skipping layer %d\n",i);
 905     }
 906   }
 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);
 910     } else {
 911       printf("ITS Traking: don't use amplitude info for layer %d\n",i);
 912     }
 913   }
 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]);
 916
 917
 918   Dump();
 919
 920   return;
 921 }
 922
 923
 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")){
 932       isFine = kTRUE;
 933       fOptReco=r;
 934   }
 935   return isFine;
 936 }