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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  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::fgkrInsideShield[2]={7.5,25.0};
  35 const Double_t AliITSRecoParam::fgkrOutsideShield[2]={10.5,30.0};
  36 const Double_t AliITSRecoParam::fgkdshield[2]={0.0097,0.0034};
  37 const Double_t AliITSRecoParam::fgkX0shield[2]={38.6,42.0};
  38
  39 //_____________________________________________________________________________
  40 AliITSRecoParam::AliITSRecoParam() : AliDetectorRecoParam(),
  41 fTracker(0),
  42 fITSonly(kFALSE),
  43 fVertexer(0),
  44 fClusterFinder(0),
  45 fPID(0),
  46 fVtxr3DZCutWide(0.),
  47 fVtxr3DRCutWide(0.),
  48 fVtxr3DZCutNarrow(0.),
  49 fVtxr3DRCutNarrow(0.),
  50 fVtxr3DPhiCutLoose(0.),
  51 fVtxr3DPhiCutTight(0.),
  52 fVtxr3DDCACut(0.),
  53 fVtxr3DPileupAlgo(1),
  54 fVtxr3DHighMultAlgo(1),
  55 fMaxSnp(1.),
  56 fNSigmaYLayerForRoadY(0),
  57 fNSigmaRoadY(0),
  58 fNSigmaZLayerForRoadZ(0),
  59 fNSigmaRoadZ(0),
  60 fNSigma2RoadZC(0),
  61 fNSigma2RoadYC(0),
  62 fNSigma2RoadZNonC(0),
  63 fNSigma2RoadYNonC(0),
  64 fRoadMisal(0),
  65 fMaxNormChi2NonCForHypothesis(0),
  66 fMaxChi2(0),
  67 fMaxRoad(0),
  68 fMaxChi2In(0),
  69 fChi2PerCluster(0),
  70 fSearchForExtras(kTRUE),
  71 fXV(0),
  72 fYV(0),
  73 fZV(0),
  74 fSigmaXV(0),
  75 fSigmaYV(0),
  76 fSigmaZV(0),
  77 fVertexCut(0),
  78 fMaxDZforPrimTrk(0),
  79 fMaxDZToUseConstraint(0),
  80 fMaxDforV0dghtrForProlongation(0),
  81 fMaxDForProlongation(0),
  82 fMaxDZForProlongation(0),
  83 fMinPtForProlongation(0),
  84 fAddVirtualClustersInDeadZone(kFALSE),
  85 fZWindowDeadZone(0),
  86 fSigmaXDeadZoneHit2(0),
  87 fSigmaZDeadZoneHit2(0),
  88 fXPassDeadZoneHits(0),
  89 fSkipSubdetsNotInTriggerCluster(kTRUE),
  90 fUseTGeoInTracker(3),
  91 fStepSizeTGeo(5.),
  92 fAllowSharedClusters(kTRUE),
  93 fClusterErrorsParam(1),
  94 fComputePlaneEff(kFALSE),
  95 fHistoPlaneEff(kFALSE),
  96 fUseTrackletsPlaneEff(kFALSE),
  97 fMCTrackletsPlaneEff(kFALSE),
  98 fBkgTrackletsPlaneEff(kFALSE),
  99 fTrackleterPhiWindowL1(0.10),
 100 fTrackleterPhiWindowL2(0.07),
 101 fTrackleterZetaWindowL1(0.6),
 102 fTrackleterZetaWindowL2(0.4),
 103 fUpdateOncePerEventPlaneEff(kTRUE),
 104 fMinContVtxPlaneEff(3),
 105 fIPlanePlaneEff(0),
 106 fReadPlaneEffFromOCDB(kFALSE),
 107 fMinPtPlaneEff(0),
 108 fMaxMissingClustersPlaneEff(5),
 109 fMaxMissingClustersOutPlaneEff(5),
 110 fRequireClusterInOuterLayerPlaneEff(kFALSE),
 111 fRequireClusterInInnerLayerPlaneEff(kFALSE),
 112 fOnlyConstraintPlaneEff(kFALSE),
 113 fNSigXFromBoundaryPlaneEff(1.),
 114 fNSigZFromBoundaryPlaneEff(1.),
 115 fImproveWithVertex(kFALSE),
 116 fExtendedEtaAcceptance(kFALSE),
 117 fUseBadZonesFromOCDB(kTRUE),
 118 fUseSingleBadChannelsFromOCDB(kFALSE),
 119 fMinFractionOfBadInRoad(0),
 120 fAllowProlongationWithEmptyRoad(kFALSE),
 121 fInwardFlagSA(kFALSE),
 122 fOuterStartLayerSA(2),
 123 fInnerStartLayerSA(3),
 124 fMinNPointsSA(3),
 125 fFactorSAWindowSizes(1.),
 126 fNLoopsSA(32),
 127 fMinPhiSA(0.002),
 128 fMaxPhiSA(0.0145),
 129 fMinLambdaSA(0.003),
 130 fMaxLambdaSA(0.008),
 131 fMinClusterChargeSA(0.),
 132 fSAOnePointTracks(kFALSE),
 133 fSAUseAllClusters(kFALSE),
 134 fMaxSPDcontrForSAToUseAllClusters(1000000),
 135 fSAUsedEdxInfo(kFALSE),
 136 fSelectBestMIP03(kFALSE),
 137 fFlagFakes(kFALSE),
 138 fUseImproveKalman(kFALSE),
 139 fFindV0s(kTRUE),
 140 fStoreLikeSignV0s(kFALSE),
 141 fUseUnfoldingInClusterFinderSPD(kFALSE),
 142 fUseUnfoldingInClusterFinderSDD(kTRUE),
 143 fUseUnfoldingInClusterFinderSSD(kFALSE),
 144 fUseBadChannelsInClusterFinderSSD(kFALSE),
 145 fUseSDDCorrectionMaps(kTRUE),
 146 fUseSDDClusterSizeSelection(kFALSE),
 147 fMinClusterChargeSDD(0.),
 148 fUseChargeMatchingInClusterFinderSSD(kTRUE),
 149 fTrackleterPhiWindow(0.08),
 150 fTrackleterThetaWindow(0.025),
 151 fTrackleterPhiShift(0.0045),
 152 fTrackleterRemoveClustersFromOverlaps(kFALSE),
 153 fTrackleterPhiOverlapCut(0.005),
 154 fTrackleterZetaOverlapCut(0.05),
 155 fTrackleterPhiRotationAngle(0.0),
 156 fTrackleterNStdDev(1.5),
 157 fScaleDTBySin2T(kFALSE),
 158 fUseCosmicRunShiftsSSD(kFALSE),
 159 fSPDRemoveNoisyFlag(kTRUE),
 160 fSPDRemoveDeadFlag(kTRUE),
 161 fVertexerFastSmearX(0.005),
 162 fVertexerFastSmearY(0.005),
 163 fVertexerFastSmearZ(0.01),
 164 fAlignFilterCosmics(kFALSE),
 165 fAlignFilterCosmicMergeTracks(kTRUE),
 166 fAlignFilterMinITSPoints(4),
 167 fAlignFilterMinITSPointsMerged(4),
 168 fAlignFilterOnlyITSSATracks(kTRUE),
 169 fAlignFilterOnlyITSTPCTracks(kFALSE),
 170 fAlignFilterSkipExtra(kFALSE),
 171 fAlignFilterMaxMatchingAngle(0.085),
 172 fAlignFilterMinAngleWrtModulePlanes(0.52),
 173 fAlignFilterMinPt(0.),
 174 fAlignFilterMaxPt(1.e10),
 175 fAlignFilterFillQANtuples(kTRUE),
 176 //
 177 fMultCutPxDrSPDin(0.1),
 178 fMultCutPxDrSPDout(0.15),
 179 fMultCutPxDz(0.2),
 180 fMultCutDCArz(0.5),
 181 fMultCutMinElectronProbTPC(0.5),
 182 fMultCutMinElectronProbESD(0.1),
 183 fMultCutMinP(0.05),
 184 fMultCutMinRGamma(2.),
 185 fMultCutMinRK0(1.),
 186 fMultCutMinPointAngle(0.98),
 187 fMultCutMaxDCADauther(0.5),
 188 fMultCutMassGamma(0.03),
 189 fMultCutMassGammaNSigma(5.),
 190 fMultCutMassK0(0.03),
 191 fMultCutMassK0NSigma(5.),
 192 fMultCutChi2cGamma(2.),
 193 fMultCutChi2cK0(2.),
 194 fMultCutGammaSFromDecay(-10.),
 195 fMultCutK0SFromDecay(-10.),
 196 fMultCutMaxDCA(1.),
 197 //
 198 fCorrectLorentzAngleSPD(kTRUE),
 199 fTanLorentzAngleHolesSPD(0.017455), // tan(1 degree)
 200 fCorrectLorentzAngleSSD(kTRUE),
 201 fTanLorentzAngleHolesSSD(0.016),  // tan(0.94 degrees)
 202 fTanLorentzAngleElectronsSSD(0.068), // tan(3.98 degrees)
 203 //
 204 fOptReco("All"),
 205 fESDV0Params(NULL)
 206 {
 207   //
 208   // constructor
 209   //
 210   SetName("ITS");
 211   SetTitle("ITS");
 212
 213   SetLayersParameters();
 214   for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) fLayersToSkip[i]=0;
 215   SetUseTGeoInTracker(3);
 216   SetStepSizeTGeo(5.);
 217   SetAllowSharedClusters(kTRUE);
 218   SetFindV0s(kTRUE);
 219   SetAddVirtualClustersInDeadZone(kFALSE);
 220   SetUseAmplitudeInfo(kTRUE);
 221   SetClusterErrorsParam(1);
 222   SetClusterMisalError(0.);
 223   SetClusterMisalErrorBOn(0.);
 224   SetVertexer3DDefaults();
 225
 226   for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) fAlignFilterUseLayer[i]=kTRUE;
 227   fESDV0Params = new AliESDV0Params();
 228
 229   fESDV0Params->SetMaxDist0(0.1);
 230   fESDV0Params->SetMaxDist1(0.1);
 231   fESDV0Params->SetMaxDist(1.);
 232   fESDV0Params->SetMinPointAngle(0.85);
 233   fESDV0Params->SetMinPointAngle2(0.99);
 234   fESDV0Params->SetMinR(0.5);
 235   fESDV0Params->SetMaxR(220.);
 236   fESDV0Params->SetMinPABestConst(0.9999);
 237   fESDV0Params->SetMaxRBestConst(10.);
 238   fESDV0Params->SetCausality0Cut(0.19);
 239   fESDV0Params->SetLikelihood01Cut(0.45);
 240   fESDV0Params->SetLikelihood1Cut(0.5);
 241   fESDV0Params->SetCombinedCut(0.55);
 242   fESDV0Params->SetMinClFullTrk(5.0);
 243   fESDV0Params->SetMinTgl0(1.05);
 244   fESDV0Params->SetMinRTgl0(40.0);
 245
 246   fESDV0Params->SetMinNormDistForbTgl0(3.0);
 247   fESDV0Params->SetMinClForb0(4.5);
 248   fESDV0Params->SetMinNormDistForb1(3.0);
 249   fESDV0Params->SetMinNormDistForb2(2.0);
 250   fESDV0Params->SetMinNormDistForb3(1.0);
 251   fESDV0Params->SetMinNormDistForb4(4.0);
 252   fESDV0Params->SetMinNormDistForb5(5.0);
 253   fESDV0Params->SetMinNormDistForbProt(2.0);
 254   fESDV0Params->SetMaxPidProbPionForb(0.5);
 255
 256   fESDV0Params->SetMinRTPCdensity(40.);
 257   fESDV0Params->SetMaxRTPCdensity0(110.);
 258   fESDV0Params->SetMaxRTPCdensity10(120.);
 259   fESDV0Params->SetMaxRTPCdensity20(130.);
 260   fESDV0Params->SetMaxRTPCdensity30(140.);
 261
 262   fESDV0Params->SetMinTPCdensity(0.6);
 263   fESDV0Params->SetMinTgl1(1.1);
 264   fESDV0Params->SetMinTgl2(1.0);
 265   fESDV0Params->SetMinchi2before0(16.);
 266   fESDV0Params->SetMinchi2before1(16.);
 267   fESDV0Params->SetMinchi2after0(16.);
 268   fESDV0Params->SetMinchi2after1(16.);
 269   fESDV0Params->SetAddchi2SharedCl(18.);
 270   fESDV0Params->SetAddchi2NegCl0(25.);
 271   fESDV0Params->SetAddchi2NegCl1(30.);
 272   fESDV0Params->SetSigp0Par0(0.0001);
 273   fESDV0Params->SetSigp0Par1(0.001);
 274   fESDV0Params->SetSigp0Par2(0.1);
 275   fESDV0Params->SetSigpPar0(0.5);
 276   fESDV0Params->SetSigpPar1(0.6);
 277   fESDV0Params->SetSigpPar2(0.4);
 278   fESDV0Params->SetMaxDcaLh0(0.5);
 279   fESDV0Params->SetStreamLevel(0);
 280   fESDV0Params->SetChi2KF(100);
 281   fESDV0Params->SetRobustChi2KF(100);
 282
 283 }
 284 //_____________________________________________________________________________
 285 AliITSRecoParam::~AliITSRecoParam()
 286 {
 287   //
 288   // destructor
 289   //
 290   if(fESDV0Params){
 291     delete fESDV0Params;
 292     fESDV0Params=NULL;
 293   }
 294 }
 295 //_____________________________________________________________________________
 296 AliITSRecoParam *AliITSRecoParam::GetHighFluxParam()
 297 {
 298   //
 299   // make default reconstruction  parameters for hig  flux env.
 300   //
 301   AliITSRecoParam *param = new AliITSRecoParam();
 302   param->SetVertexer3DDefaults();
 303   param->SetSPDVertexerPileupAlgoOff();
 304   // use of bads from OCDB
 305   param->SetUseBadZonesFromOCDB(kTRUE);
 306   param->SetUseSingleBadChannelsFromOCDB(kFALSE);
 307   // use pointing to vertex during prolongation
 308   param->SetImproveWithVertex(kTRUE);
 309   // extended eta acceptance
 310   param->SetExtendedEtaAcceptance(kFALSE);
 311   // allow to skip layer if no cluster and no bad
 312   param->SetAllowProlongationWithEmptyRoad(kFALSE);
 313   // set event specie
 314   param->SetEventSpecie(AliRecoParam::kHighMult);
 315
 316   param->fMaxSnp = 0.95;
 317
 318   param->fNSigmaYLayerForRoadY = 4.;
 319   param->fNSigmaRoadY = 7.5;
 320   param->fNSigmaZLayerForRoadZ = 4.;
 321   param->fNSigmaRoadZ = 7.5;
 322
 323   param->fNSigma2RoadZC = 60.; //7.75^2
 324   param->fNSigma2RoadYC = 60.; //7.75^2
 325   param->fNSigma2RoadZNonC = 50.; //7.07^2
 326   param->fNSigma2RoadYNonC = 50.; //7.07^2
 327
 328   param->fMaxChi2PerCluster[0] = 11.; //7
 329   param->fMaxChi2PerCluster[1] = 12.; //5
 330   param->fMaxChi2PerCluster[2] = 12.; //8
 331   param->fMaxChi2PerCluster[3] = 5.;  //8
 332   param->fMaxChi2PerCluster[4] = 12.; //6.5
 333
 334   param->fMaxNormChi2NonC[0] = 7.;
 335   param->fMaxNormChi2NonC[1] = 8.;
 336   param->fMaxNormChi2NonC[2] = 8.;
 337   param->fMaxNormChi2NonC[3] = 11.;
 338   param->fMaxNormChi2NonC[4] = 14.;
 339   param->fMaxNormChi2NonC[5] = 25.;
 340
 341   param->fMaxNormChi2C[0] = 11.;
 342   param->fMaxNormChi2C[1] = 13.;
 343   param->fMaxNormChi2C[2] = 15.;
 344   param->fMaxNormChi2C[3] = 18.;
 345   param->fMaxNormChi2C[4] = 30.;
 346   param->fMaxNormChi2C[5] = 35.;
 347
 348   param->fMaxNormChi2NonCForHypothesis = 7.;
 349
 350   param->fMaxChi2 = 35.;
 351
 352   param->fMaxChi2s[0] = 25.; //40
 353   param->fMaxChi2s[1] = 25.; //40
 354   param->fMaxChi2s[2] = 25.; //40
 355   param->fMaxChi2s[3] = 25.; //40
 356   param->fMaxChi2s[4] = 40.; //40
 357   param->fMaxChi2s[5] = 50.; //40
 358
 359   param->fMaxRoad = 6.;
 360
 361   // not used
 362   param->fMaxChi2In = 16.;
 363
 364   param->fMaxChi2sR[0] = 10.;
 365   param->fMaxChi2sR[1] = 10.;
 366   param->fMaxChi2sR[2] = 10.;
 367   param->fMaxChi2sR[3] = 10.;
 368   param->fMaxChi2sR[4] = 30.;
 369   param->fMaxChi2sR[5] = 40.;
 370
 371
 372   param->fChi2PerCluster = 9.;
 373   // not used
 374   param->fSearchForExtras = kFALSE;
 375
 376   param->fXV = 0.;
 377   param->fYV = 0.;
 378   param->fZV = 0.;
 379   param->fSigmaXV = 0.0050;
 380   param->fSigmaYV = 0.0050;
 381   param->fSigmaZV = 0.0100;
 382
 383   param->fVertexCut = 25.;
 384
 385   param->fMaxDZforPrimTrk = 0.4;
 386   param->fMaxDZToUseConstraint = 3.;
 387
 388   param->fMaxDforV0dghtrForProlongation = 30.;
 389   param->fMaxDForProlongation = 40.;//10.;
 390   param->fMaxDZForProlongation = 60.;//20.;
 391   param->fMinPtForProlongation = 0.120;
 392
 393   param->fZWindowDeadZone = 2.0;
 394   param->fSigmaXDeadZoneHit2 = 0.004/12.;
 395   param->fSigmaZDeadZoneHit2 = 0.001/12.;
 396   param->fXPassDeadZoneHits = 0.018;
 397   //
 398   // mult reco
 399   param->fMultCutPxDrSPDin = 0.1;
 400   param->fMultCutPxDrSPDout = 0.15;
 401   param->fMultCutPxDz = 0.2;
 402   param->fMultCutDCArz = 0.5;
 403   param->fMultCutMinElectronProbTPC = 0.5;
 404   param->fMultCutMinElectronProbESD = 0.1;
 405   param->fMultCutMinP = 0.05;
 406   param->fMultCutMinRGamma = 2.;
 407   param->fMultCutMinRK0 = 1.;
 408   param->fMultCutMinPointAngle = 0.98;
 409   param->fMultCutMaxDCADauther = 0.5;
 410   param->fMultCutMassGamma = 0.03;
 411   param->fMultCutMassGammaNSigma = 5.;
 412   param->fMultCutMassK0 = 0.03;
 413   param->fMultCutMassK0NSigma = 5.;
 414   param->fMultCutChi2cGamma = 2.;
 415   param->fMultCutChi2cK0 = 2.;
 416   param->fMultCutGammaSFromDecay = -10.;
 417   param->fMultCutK0SFromDecay = -10.;
 418   param->fMultCutMaxDCA = 1.;
 419   //
 420   // trackleter
 421   param->fTrackleterPhiWindow = 0.06;
 422   param->fScaleDTBySin2T = kTRUE;
 423   //
 424   param->fSelectBestMIP03 = kFALSE;//kTRUE;
 425   param->fFlagFakes       = kTRUE;
 426   param->fUseImproveKalman= kFALSE;
 427   //
 428   return param;
 429 }
 430 //_____________________________________________________________________________
 431 AliITSRecoParam *AliITSRecoParam::GetLowFluxParam()
 432 {
 433   //
 434   // make default reconstruction  parameters for low  flux env.
 435   //
 436   AliITSRecoParam *param = new AliITSRecoParam();
 437   param->SetVertexer3DDefaults();
 438
 439   // full use of bads from OCDB
 440   param->SetUseBadZonesFromOCDB(kTRUE);
 441   param->SetUseSingleBadChannelsFromOCDB(kTRUE);
 442   // extended eta acceptance
 443   param->SetExtendedEtaAcceptance(kTRUE);
 444   // allow to skip layer if no cluster and no bad
 445   param->SetAllowProlongationWithEmptyRoad(kTRUE);
 446   // set event specie
 447   param->SetEventSpecie(AliRecoParam::kLowMult);
 448
 449   param->fMaxSnp = 0.95;
 450
 451   param->fNSigmaYLayerForRoadY = 4.;
 452   param->fNSigmaRoadY = 7.5;
 453   param->fNSigmaZLayerForRoadZ = 4.;
 454   param->fNSigmaRoadZ = 7.5;
 455
 456   param->fNSigma2RoadZC = 60.; //7.75^2
 457   param->fNSigma2RoadYC = 60.; //7.75^2
 458   param->fNSigma2RoadZNonC = 50.; //7.07^2
 459   param->fNSigma2RoadYNonC = 50.; //7.07^2
 460
 461   param->fMaxChi2PerCluster[0] = 11.; //7
 462   param->fMaxChi2PerCluster[1] = 12.; //5
 463   param->fMaxChi2PerCluster[2] = 12.; //8
 464   param->fMaxChi2PerCluster[3] = 5.;  //8
 465   param->fMaxChi2PerCluster[4] = 12.; //6.5
 466
 467   param->fMaxNormChi2NonC[0] = 7.;
 468   param->fMaxNormChi2NonC[1] = 8.;
 469   param->fMaxNormChi2NonC[2] = 8.;
 470   param->fMaxNormChi2NonC[3] = 11.;
 471   param->fMaxNormChi2NonC[4] = 14.;
 472   param->fMaxNormChi2NonC[5] = 25.;
 473
 474   param->fMaxNormChi2C[0] = 11.;
 475   param->fMaxNormChi2C[1] = 13.;
 476   param->fMaxNormChi2C[2] = 15.;
 477   param->fMaxNormChi2C[3] = 18.;
 478   param->fMaxNormChi2C[4] = 30.;
 479   param->fMaxNormChi2C[5] = 35.;
 480
 481   param->fMaxNormChi2NonCForHypothesis = 7.;
 482
 483   param->fMaxChi2 = 35.;
 484
 485   param->fMaxChi2s[0] = 25.; //40
 486   param->fMaxChi2s[1] = 25.; //40
 487   param->fMaxChi2s[2] = 25.; //40
 488   param->fMaxChi2s[3] = 25.; //40
 489   param->fMaxChi2s[4] = 40.; //40
 490   param->fMaxChi2s[5] = 50.; //40
 491
 492   param->fMaxRoad = 6.;
 493
 494   // not used
 495   param->fMaxChi2In = 16.;
 496
 497   param->fMaxChi2sR[0] = 10.;
 498   param->fMaxChi2sR[1] = 10.;
 499   param->fMaxChi2sR[2] = 10.;
 500   param->fMaxChi2sR[3] = 10.;
 501   param->fMaxChi2sR[4] = 30.;
 502   param->fMaxChi2sR[5] = 40.;
 503
 504   param->fChi2PerCluster = 9.;
 505   // not used
 506
 507   param->fXV = 0.;
 508   param->fYV = 0.;
 509   param->fZV = 0.;
 510   param->fSigmaXV = 0.0050;
 511   param->fSigmaYV = 0.0050;
 512   param->fSigmaZV = 0.0100;
 513
 514   param->fVertexCut = 25.;
 515
 516   param->fMaxDZforPrimTrk = 0.4;
 517   param->fMaxDZToUseConstraint = 3.;
 518
 519   param->fMaxDforV0dghtrForProlongation = 30.;
 520   param->fMaxDForProlongation = 40.;//10.;
 521   param->fMaxDZForProlongation = 60.;//20.;
 522   param->fMinPtForProlongation = 0.120;
 523
 524   param->fZWindowDeadZone = 2.0;
 525   param->fSigmaXDeadZoneHit2 = 0.004/12.;
 526   param->fSigmaZDeadZoneHit2 = 0.001/12.;
 527   param->fXPassDeadZoneHits = 0.018;
 528   param->SetNLoopsSA(20);
 529   param->fMaxPhiSA = 0.07;
 530   param->fMaxLambdaSA = 0.04;
 531
 532
 533   param->GetESDV0Params()->SetMinRTgl0(0.5);
 534   param->GetESDV0Params()->SetMaxDist(1.5);
 535   param->GetESDV0Params()->SetMaxDcaLh0(1.5);
 536   param->GetESDV0Params()->SetMaxRBestConst(80);
 537   param->GetESDV0Params()->SetMinPABestConst(0.99);
 538   param->GetESDV0Params()->SetMinNormDistForbTgl0(1.);
 539   param->GetESDV0Params()->SetMinNormDistForb1(2.);
 540   param->GetESDV0Params()->SetMinNormDistForbProt(1.);
 541   param->GetESDV0Params()->SetMaxPidProbPionForb(0.7);
 542   param->GetESDV0Params()->SetLikelihood01Cut(0.3);
 543   param->GetESDV0Params()->SetLikelihood1Cut(0.35);
 544   param->GetESDV0Params()->SetCombinedCut(0.4);
 545
 546   // mult reco
 547   param->fMultCutPxDrSPDin = 0.1;
 548   param->fMultCutPxDrSPDout = 0.15;
 549   param->fMultCutPxDz = 0.2;
 550   param->fMultCutDCArz = 0.5;
 551   param->fMultCutMinElectronProbTPC = 0.5;
 552   param->fMultCutMinElectronProbESD = 0.1;
 553   param->fMultCutMinP = 0.05;
 554   param->fMultCutMinRGamma = 2.;
 555   param->fMultCutMinRK0 = 1.;
 556   param->fMultCutMinPointAngle = 0.98;
 557   param->fMultCutMaxDCADauther = 0.5;
 558   param->fMultCutMassGamma = 0.03;
 559   param->fMultCutMassGammaNSigma = 5.;
 560   param->fMultCutMassK0 = 0.03;
 561   param->fMultCutMassK0NSigma = 5.;
 562   param->fMultCutChi2cGamma = 2.;
 563   param->fMultCutChi2cK0 = 2.;
 564   param->fMultCutGammaSFromDecay = -10.;
 565   param->fMultCutK0SFromDecay = -10.;
 566   param->fMultCutMaxDCA = 1.;
 567   //
 568
 569   return param;
 570 }
 571 //_____________________________________________________________________________
 572 AliITSRecoParam *AliITSRecoParam::GetCosmicTestParam()
 573 {
 574   //
 575   // make default reconstruction  parameters for cosmics
 576   //
 577   AliITSRecoParam *param = new AliITSRecoParam();
 578
 579   // vertexer for cosmics
 580   param->SetVertexer(2);
 581
 582   param->SetClusterErrorsParam(2);
 583   param->SetFindV0s(kFALSE);
 584   param->SetAddVirtualClustersInDeadZone(kFALSE);
 585   param->SetUseAmplitudeInfo(kFALSE);
 586
 587   // set event specie
 588   param->SetEventSpecie(AliRecoParam::kCosmic);
 589
 590   // full use of bads from OCDB
 591   param->SetUseBadZonesFromOCDB(kTRUE);
 592   param->SetUseSingleBadChannelsFromOCDB(kTRUE);
 593
 594   // find independently ITS SA tracks
 595   param->SetSAUseAllClusters();
 596   param->SetOuterStartLayerSA(AliITSgeomTGeo::GetNLayers()-2);
 597
 598   //****** COSMICS 2009 (same as COSMICS 2008) *********************
 599
 600   // to maximize efficiency
 601   param->SetAllowProlongationWithEmptyRoad();
 602   param->SetMinNPointsSA(2);
 603
 604   // larger seach windows for SA (in case of large misalignments)
 605   param->SetNLoopsSA(32);
 606   param->SetFactorSAWindowSizes(20);
 607
 608   // additional error due to misal (B off)
 609   param->SetClusterMisalErrorY(1.0,1.0,1.0,1.0,1.0,1.0); // [cm]
 610   param->SetClusterMisalErrorZ(1.0,1.0,1.0,1.0,1.0,1.0); // [cm]
 611   // additional error due to misal (B on)
 612   param->SetClusterMisalErrorYBOn(0.0,0.0,0.1,0.1,0.1,0.1); // [cm]
 613   param->SetClusterMisalErrorZBOn(0.1,0.1,0.1,0.1,0.1,0.1); // [cm]
 614
 615
 616   // SDD configuration
 617   param->fUseSDDCorrectionMaps = kFALSE;
 618   param->fUseSDDClusterSizeSelection=kTRUE;
 619   param->fMinClusterChargeSDD=30.;
 620
 621
 622   // alignment data filter
 623   param->SetAlignFilterCosmics(kTRUE);
 624   param->SetAlignFilterCosmicMergeTracks(kTRUE);
 625   param->SetAlignFilterMinITSPoints(1);
 626   param->SetAlignFilterMinITSPointsMerged(3);
 627   param->SetAlignFilterOnlyITSSATracks(kTRUE);
 628   param->SetAlignFilterOnlyITSTPCTracks(kFALSE);
 629   param->SetAlignFilterSkipExtra(kFALSE);
 630   param->SetAlignFilterMaxMatchingAngle(0.085/*5deg*/);
 631   param->SetAlignFilterMinPt(0.2);
 632   param->SetAlignFilterMaxPt(1.e10);
 633   param->SetAlignFilterFillQANtuples(kTRUE);
 634
 635   //******************************************************************
 636
 637   param->fMaxSnp = 0.95;
 638
 639   param->fNSigmaYLayerForRoadY = 4.;
 640   param->fNSigmaRoadY = 7.5;
 641   param->fNSigmaZLayerForRoadZ = 4.;
 642   param->fNSigmaRoadZ = 7.5;
 643
 644   param->fNSigma2RoadZC = 60.; //7.75^2
 645   param->fNSigma2RoadYC = 60.; //7.75^2
 646   param->fNSigma2RoadZNonC = 50.; //7.07^2
 647   param->fNSigma2RoadYNonC = 50.; //7.07^2
 648
 649   param->fMaxChi2PerCluster[0] = 11.; //7
 650   param->fMaxChi2PerCluster[1] = 12.; //5
 651   param->fMaxChi2PerCluster[2] = 12.; //8
 652   param->fMaxChi2PerCluster[3] = 5.;  //8
 653   param->fMaxChi2PerCluster[4] = 12.; //6.5
 654
 655   param->fMaxNormChi2NonC[0] = 7.;
 656   param->fMaxNormChi2NonC[1] = 8.;
 657   param->fMaxNormChi2NonC[2] = 8.;
 658   param->fMaxNormChi2NonC[3] = 11.;
 659   param->fMaxNormChi2NonC[4] = 14.;
 660   param->fMaxNormChi2NonC[5] = 25.;
 661
 662   param->fMaxNormChi2C[0] = 11.;
 663   param->fMaxNormChi2C[1] = 13.;
 664   param->fMaxNormChi2C[2] = 15.;
 665   param->fMaxNormChi2C[3] = 18.;
 666   param->fMaxNormChi2C[4] = 30.;
 667   param->fMaxNormChi2C[5] = 35.;
 668
 669   param->fMaxNormChi2NonCForHypothesis = 7.;
 670
 671   param->fMaxChi2 = 35.;
 672
 673   param->fMaxChi2s[0] = 25.; //40
 674   param->fMaxChi2s[1] = 25.; //40
 675   param->fMaxChi2s[2] = 25.; //40
 676   param->fMaxChi2s[3] = 25.; //40
 677   param->fMaxChi2s[4] = 40.; //40
 678   param->fMaxChi2s[5] = 50.; //40
 679
 680   param->fMaxRoad = 6.;
 681
 682   // not used
 683   param->fMaxChi2In = 16.;
 684
 685   param->fMaxChi2sR[0] = 10.;
 686   param->fMaxChi2sR[1] = 10.;
 687   param->fMaxChi2sR[2] = 10.;
 688   param->fMaxChi2sR[3] = 10.;
 689   param->fMaxChi2sR[4] = 30.;
 690   param->fMaxChi2sR[5] = 40.;
 691
 692   param->fChi2PerCluster = 9.;
 693   // not used
 694
 695   param->fXV = 0.;
 696   param->fYV = 0.;
 697   param->fZV = 0.;
 698   param->fSigmaXV = 0.0050;
 699   param->fSigmaYV = 0.0050;
 700   param->fSigmaZV = 0.0100;
 701
 702   param->fVertexCut = 25.;
 703
 704   param->fMaxDZforPrimTrk = 0.4;
 705   param->fMaxDZToUseConstraint = 3.;
 706
 707   param->fMaxDforV0dghtrForProlongation = 30.;
 708   param->fMaxDForProlongation = 10.;
 709   param->fMaxDZForProlongation = 20.;
 710   param->fMinPtForProlongation = 0.120;
 711
 712   param->fZWindowDeadZone = 2.0;
 713   param->fSigmaXDeadZoneHit2 = 0.004/12.;
 714   param->fSigmaZDeadZoneHit2 = 0.001/12.;
 715   param->fXPassDeadZoneHits = 0.018;
 716
 717   return param;
 718 }
 719 //_____________________________________________________________________________
 720 AliITSRecoParam *AliITSRecoParam::GetPlaneEffParam(Int_t i)
 721 {
 722   //
 723   // make special reconstruction parameters for Plane Efficiency study on layer i (0,5)
 724   //
 725   // if i=-1, then the evaluation for both pixel layers is tried with the tracklet method
 726   //
 727  if (i<-1 || i>=AliITSgeomTGeo::kNLayers) {
 728     printf("AliITSRecoParam::GetPlaneEffParam: index of ITS Plane nor in the range [0,5] neither =-1\n");
 729     printf("returning null pointer");
 730     return NULL;
 731   }
 732   if(i>=0) {  // Method using tracks (remove given plane from tracking)
 733     AliITSRecoParam *param;
 734     param = GetLowFluxParam();
 735     param->SetClusterErrorsParam(2);
 736     // find independently ITS SA tracks
 737     param->SetSAUseAllClusters();
 738     param->SetOuterStartLayerSA(2);
 739     param->SetAllowProlongationWithEmptyRoad(kTRUE);
 740     // larger seach windows for SA (in case of large misalignments)
 741     param->SetFactorSAWindowSizes(2);
 742
 743     // Misalignment syst errors decided at ITS meeting 25.03.2010
 744     // additional error due to misal (B off)
 745     param->SetClusterMisalErrorY(0.0010,0.0010,0.0300,0.0300,0.0020,0.0020); // [cm]
 746     param->SetClusterMisalErrorZ(0.0100,0.0100,0.0100,0.0100,0.0500,0.0500); // [cm]
 747     // additional error due to misal (B on)
 748     param->SetClusterMisalErrorYBOn(0.0010,0.0030,0.0500,0.0500,0.0020,0.0020); // [cm]
 749     param->SetClusterMisalErrorZBOn(0.0100,0.0100,0.0100,0.0100,0.0500,0.0500); // [cm]
 750     //----
 751
 752     // SDD configuration
 753     param->SetUseSDDCorrectionMaps(kTRUE); // changed 30.04.2010
 754     param->SetUseSDDClusterSizeSelection(kTRUE);
 755     param->SetMinClusterChargeSDD(30.);
 756     param->SetUseUnfoldingInClusterFinderSDD(kFALSE);
 757     //
 758     param->SetComputePlaneEff();
 759     param->SetLayerToSkip(i);
 760     param->SetIPlanePlaneEff(i);
 761     param->fNSigXFromBoundaryPlaneEff= 1.;
 762     param->fNSigZFromBoundaryPlaneEff= 1.;
 763     // optimized setting for SPD0 (i==0)
 764     if (i==0) {
 765       param->fMinPtPlaneEff = 0.200; // high pt particles
 766       param->fMaxMissingClustersPlaneEff = 2; // at most 2 layers out of 5 without cluster
 767       param->fMaxMissingClustersOutPlaneEff = 2; // at most 2 layers out of 5 external ones without cluster
 768       param->fRequireClusterInOuterLayerPlaneEff = kTRUE; // cluster on SPD1 must be
 769       //param->fOnlyConstraintPlaneEff = kTRUE;
 770     }
 771     if (i==1 ) {
 772       param->fMinPtPlaneEff = 0.200; // high pt particles
 773       param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
 774       param->fMaxMissingClustersOutPlaneEff = 2; // at most 2 layer out of 4 external ones without cluster
 775       //param->fRequireClusterInOuterLayerPlaneEff = kTRUE; // cluster on SSD1 must be
 776     }
 777     if (i==2) {
 778       param->fMinPtPlaneEff = 0.200; // high pt particles
 779       param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
 780       param->fMaxMissingClustersOutPlaneEff = 2; // at most 2 layer out of 3 external ones without cluster
 781       //param->fRequireClusterInOuterLayerPlaneEff = kTRUE;
 782       //param->fOnlyConstraintPlaneEff = kTRUE;
 783     }
 784     if (i==3) {
 785       param->fMinPtPlaneEff = 0.200; // high pt particles
 786       param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
 787       param->fMaxMissingClustersOutPlaneEff = 1; // at most 1 layer out of 2 external ones without cluster
 788     }
 789     if (i==4) {
 790       param->fMinPtPlaneEff = 0.200; // high pt particles
 791       param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
 792       param->fMaxMissingClustersOutPlaneEff = 1; // at most 1 layer out of 1 external ones without cluster
 793       // param->fRequireClusterInOuterLayerPlaneEff = kTRUE;
 794       //param->fOnlyConstraintPlaneEff = kTRUE;
 795     }
 796     if (i==5) {
 797       param->fMinPtPlaneEff = 0.200; // high pt particles
 798       param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
 799     }
 800     //
 801     return param;
 802   }
 803   else if (i==-1) { // Method using tracklets
 804     AliITSRecoParam *param;
 805     param = GetLowFluxParam();
 806     param->SetIPlanePlaneEff(i);
 807     param->SetComputePlaneEff(kTRUE,kFALSE);
 808     param->SetUseTrackletsPlaneEff(kTRUE);
 809     param->SetTrackleterPhiWindowL2(0.07);
 810     param->SetTrackleterZetaWindowL2(0.4);
 811     param->SetTrackleterPhiWindowL1(0.10);
 812     param->SetTrackleterZetaWindowL1(0.6);
 813     param->SetUpdateOncePerEventPlaneEff(kTRUE);
 814     param->SetMinContVtxPlaneEff(3);
 815     return param;
 816   }
 817   else {
 818     AliErrorGeneral("AliITSRecoParam",Form("Unrecognised value of i %d\n",i));
 819     return 0;
 820   }
 821 }
 822
 823 //_____________________________________________________________________________
 824 void AliITSRecoParam::SetLayersParameters()
 825 {
 826   //
 827   // number of layers and layers spatial resolutions
 828   //
 829
 830   // spatial resolutions of the detectors
 831   // y: 12 12 38 38 20 20 micron
 832   fSigmaY2[0]=1.44e-6;
 833   fSigmaY2[1]=1.44e-6;
 834   fSigmaY2[2]=1.444e-5;
 835   fSigmaY2[3]=1.444e-5;
 836   fSigmaY2[4]=4.0e-6;
 837   fSigmaY2[5]=4.0e-6;
 838   // z: 120 120 28 28 830 830 micron
 839   fSigmaZ2[0]=1.44e-4;
 840   fSigmaZ2[1]=1.44e-4;
 841   fSigmaZ2[2]=7.84e-6;
 842   fSigmaZ2[3]=7.84e-6;
 843   fSigmaZ2[4]=6.889e-3;
 844   fSigmaZ2[5]=6.889e-3;
 845
 846   return;
 847 }
 848 //_____________________________________________________________________________
 849 void AliITSRecoParam::PrintParameters() const
 850 {
 851   //
 852   // print parameters
 853   //
 854
 855   printf("=============================  AliITSRecoParam::PrintParameters ");
 856   printf("============================= \n\n");
 857   for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) {
 858     if(!fLayersToSkip[i]) {
 859       printf("ITS Traking: using layer %d\n",i);
 860     } else {
 861       printf("ITS Traking: skipping layer %d\n",i);
 862     }
 863   }
 864   for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) {
 865     if(fUseAmplitudeInfo[i]) {
 866       printf("ITS Traking: use amplitude info for layer %d\n",i);
 867     } else {
 868       printf("ITS Traking: don't use amplitude info for layer %d\n",i);
 869     }
 870   }
 871   for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++)
 872     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]);
 873
 874
 875   Dump();
 876
 877   return;
 878 }
 879
 880
 881 //_____________________________________________________________________________
 882 Bool_t AliITSRecoParam::SetOptReco(TString r){
 883   // Set option for local reconstruction.
 884   // The string must contain at least one of the following
 885   // substrings: "All", "SPD", "SDD", "SSD"
 886   Bool_t isFine = kFALSE;
 887   if(r.Contains("All") || r.Contains("SPD") || r.Contains("SDD")
 888      || r.Contains("SSD")){
 889       isFine = kTRUE;
 890       fOptReco=r;
 891   }
 892   return isFine;
 893 }
 894