ITS/AliITSRecoParam.cxx

   1 /**************************************************************************
   2  * Copyright(c) 2007-2009, ALICE Experiment at CERN, All rights reserved. *
   3  *                                                                        *
   4  * Author: The ALICE Off-line Project.                                    *
   5  * Contributors are mentioned in the code where appropriate.              *
   6  *                                                                        *
   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  **************************************************************************/
  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 fESDV0Params(NULL)
 205 {
 206   //
 207   // constructor
 208   //
 209   SetName("ITS");
 210   SetTitle("ITS");
 211
 212   SetLayersParameters();
 213   for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) fLayersToSkip[i]=0;
 214   SetUseTGeoInTracker(3);
 215   SetStepSizeTGeo(5.);
 216   SetAllowSharedClusters(kTRUE);
 217   SetFindV0s(kTRUE);
 218   SetAddVirtualClustersInDeadZone(kFALSE);
 219   SetUseAmplitudeInfo(kTRUE);
 220   SetClusterErrorsParam(1);
 221   SetClusterMisalError(0.);
 222   SetClusterMisalErrorBOn(0.);
 223   SetVertexer3DDefaults();
 224
 225   for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) fAlignFilterUseLayer[i]=kTRUE;
 226   fESDV0Params = new AliESDV0Params();
 227
 228   fESDV0Params->SetMaxDist0(0.1);
 229   fESDV0Params->SetMaxDist1(0.1);
 230   fESDV0Params->SetMaxDist(1.);
 231   fESDV0Params->SetMinPointAngle(0.85);
 232   fESDV0Params->SetMinPointAngle2(0.99);
 233   fESDV0Params->SetMinR(0.5);
 234   fESDV0Params->SetMaxR(220.);
 235   fESDV0Params->SetMinPABestConst(0.9999);
 236   fESDV0Params->SetMaxRBestConst(10.);
 237   fESDV0Params->SetCausality0Cut(0.19);
 238   fESDV0Params->SetLikelihood01Cut(0.45);
 239   fESDV0Params->SetLikelihood1Cut(0.5);
 240   fESDV0Params->SetCombinedCut(0.55);
 241   fESDV0Params->SetMinClFullTrk(5.0);
 242   fESDV0Params->SetMinTgl0(1.05);
 243   fESDV0Params->SetMinRTgl0(40.0);
 244
 245   fESDV0Params->SetMinNormDistForbTgl0(3.0);
 246   fESDV0Params->SetMinClForb0(4.5);
 247   fESDV0Params->SetMinNormDistForb1(3.0);
 248   fESDV0Params->SetMinNormDistForb2(2.0);
 249   fESDV0Params->SetMinNormDistForb3(1.0);
 250   fESDV0Params->SetMinNormDistForb4(4.0);
 251   fESDV0Params->SetMinNormDistForb5(5.0);
 252   fESDV0Params->SetMinNormDistForbProt(2.0);
 253   fESDV0Params->SetMaxPidProbPionForb(0.5);
 254
 255   fESDV0Params->SetMinRTPCdensity(40.);
 256   fESDV0Params->SetMaxRTPCdensity0(110.);
 257   fESDV0Params->SetMaxRTPCdensity10(120.);
 258   fESDV0Params->SetMaxRTPCdensity20(130.);
 259   fESDV0Params->SetMaxRTPCdensity30(140.);
 260
 261   fESDV0Params->SetMinTPCdensity(0.6);
 262   fESDV0Params->SetMinTgl1(1.1);
 263   fESDV0Params->SetMinTgl2(1.0);
 264   fESDV0Params->SetMinchi2before0(16.);
 265   fESDV0Params->SetMinchi2before1(16.);
 266   fESDV0Params->SetMinchi2after0(16.);
 267   fESDV0Params->SetMinchi2after1(16.);
 268   fESDV0Params->SetAddchi2SharedCl(18.);
 269   fESDV0Params->SetAddchi2NegCl0(25.);
 270   fESDV0Params->SetAddchi2NegCl1(30.);
 271   fESDV0Params->SetSigp0Par0(0.0001);
 272   fESDV0Params->SetSigp0Par1(0.001);
 273   fESDV0Params->SetSigp0Par2(0.1);
 274   fESDV0Params->SetSigpPar0(0.5);
 275   fESDV0Params->SetSigpPar1(0.6);
 276   fESDV0Params->SetSigpPar2(0.4);
 277   fESDV0Params->SetMaxDcaLh0(0.5);
 278   fESDV0Params->SetStreamLevel(0);
 279   fESDV0Params->SetChi2KF(100);
 280   fESDV0Params->SetRobustChi2KF(100);
 281
 282 }
 283 //_____________________________________________________________________________
 284 AliITSRecoParam::~AliITSRecoParam()
 285 {
 286   //
 287   // destructor
 288   //
 289   if(fESDV0Params){
 290     delete fESDV0Params;
 291     fESDV0Params=NULL;
 292   }
 293 }
 294 //_____________________________________________________________________________
 295 AliITSRecoParam *AliITSRecoParam::GetHighFluxParam()
 296 {
 297   //
 298   // make default reconstruction  parameters for hig  flux env.
 299   //
 300   AliITSRecoParam *param = new AliITSRecoParam();
 301   param->SetVertexer3DDefaults();
 302   param->SetSPDVertexerPileupAlgoOff();
 303   // use of bads from OCDB
 304   param->SetUseBadZonesFromOCDB(kTRUE);
 305   param->SetUseSingleBadChannelsFromOCDB(kFALSE);
 306   // use pointing to vertex during prolongation
 307   param->SetImproveWithVertex(kTRUE);
 308   // extended eta acceptance
 309   param->SetExtendedEtaAcceptance(kFALSE);
 310   // allow to skip layer if no cluster and no bad
 311   param->SetAllowProlongationWithEmptyRoad(kFALSE);
 312   // set event specie
 313   param->SetEventSpecie(AliRecoParam::kHighMult);
 314
 315   param->fMaxSnp = 0.95;
 316
 317   param->fNSigmaYLayerForRoadY = 4.;
 318   param->fNSigmaRoadY = 7.5;
 319   param->fNSigmaZLayerForRoadZ = 4.;
 320   param->fNSigmaRoadZ = 7.5;
 321
 322   param->fNSigma2RoadZC = 60.; //7.75^2
 323   param->fNSigma2RoadYC = 60.; //7.75^2
 324   param->fNSigma2RoadZNonC = 50.; //7.07^2
 325   param->fNSigma2RoadYNonC = 50.; //7.07^2
 326
 327   param->fMaxChi2PerCluster[0] = 11.; //7
 328   param->fMaxChi2PerCluster[1] = 12.; //5
 329   param->fMaxChi2PerCluster[2] = 12.; //8
 330   param->fMaxChi2PerCluster[3] = 5.;  //8
 331   param->fMaxChi2PerCluster[4] = 12.; //6.5
 332
 333   param->fMaxNormChi2NonC[0] = 7.;
 334   param->fMaxNormChi2NonC[1] = 8.;
 335   param->fMaxNormChi2NonC[2] = 8.;
 336   param->fMaxNormChi2NonC[3] = 11.;
 337   param->fMaxNormChi2NonC[4] = 14.;
 338   param->fMaxNormChi2NonC[5] = 25.;
 339
 340   param->fMaxNormChi2C[0] = 11.;
 341   param->fMaxNormChi2C[1] = 13.;
 342   param->fMaxNormChi2C[2] = 15.;
 343   param->fMaxNormChi2C[3] = 18.;
 344   param->fMaxNormChi2C[4] = 30.;
 345   param->fMaxNormChi2C[5] = 35.;
 346
 347   param->fMaxNormChi2NonCForHypothesis = 7.;
 348
 349   param->fMaxChi2 = 35.;
 350
 351   param->fMaxChi2s[0] = 25.; //40
 352   param->fMaxChi2s[1] = 25.; //40
 353   param->fMaxChi2s[2] = 25.; //40
 354   param->fMaxChi2s[3] = 25.; //40
 355   param->fMaxChi2s[4] = 40.; //40
 356   param->fMaxChi2s[5] = 50.; //40
 357
 358   param->fMaxRoad = 6.;
 359
 360   // not used
 361   param->fMaxChi2In = 16.;
 362
 363   param->fMaxChi2sR[0] = 10.;
 364   param->fMaxChi2sR[1] = 10.;
 365   param->fMaxChi2sR[2] = 10.;
 366   param->fMaxChi2sR[3] = 10.;
 367   param->fMaxChi2sR[4] = 30.;
 368   param->fMaxChi2sR[5] = 40.;
 369
 370
 371   param->fChi2PerCluster = 9.;
 372   // not used
 373   param->fSearchForExtras = kFALSE;
 374
 375   param->fXV = 0.;
 376   param->fYV = 0.;
 377   param->fZV = 0.;
 378   param->fSigmaXV = 0.0050;
 379   param->fSigmaYV = 0.0050;
 380   param->fSigmaZV = 0.0100;
 381
 382   param->fVertexCut = 25.;
 383
 384   param->fMaxDZforPrimTrk = 0.4;
 385   param->fMaxDZToUseConstraint = 3.;
 386
 387   param->fMaxDforV0dghtrForProlongation = 30.;
 388   param->fMaxDForProlongation = 40.;//10.;
 389   param->fMaxDZForProlongation = 60.;//20.;
 390   param->fMinPtForProlongation = 0.120;
 391
 392   param->fZWindowDeadZone = 2.0;
 393   param->fSigmaXDeadZoneHit2 = 0.004/12.;
 394   param->fSigmaZDeadZoneHit2 = 0.001/12.;
 395   param->fXPassDeadZoneHits = 0.018;
 396   //
 397   // mult reco
 398   param->fMultCutPxDrSPDin = 0.1;
 399   param->fMultCutPxDrSPDout = 0.15;
 400   param->fMultCutPxDz = 0.2;
 401   param->fMultCutDCArz = 0.5;
 402   param->fMultCutMinElectronProbTPC = 0.5;
 403   param->fMultCutMinElectronProbESD = 0.1;
 404   param->fMultCutMinP = 0.05;
 405   param->fMultCutMinRGamma = 2.;
 406   param->fMultCutMinRK0 = 1.;
 407   param->fMultCutMinPointAngle = 0.98;
 408   param->fMultCutMaxDCADauther = 0.5;
 409   param->fMultCutMassGamma = 0.03;
 410   param->fMultCutMassGammaNSigma = 5.;
 411   param->fMultCutMassK0 = 0.03;
 412   param->fMultCutMassK0NSigma = 5.;
 413   param->fMultCutChi2cGamma = 2.;
 414   param->fMultCutChi2cK0 = 2.;
 415   param->fMultCutGammaSFromDecay = -10.;
 416   param->fMultCutK0SFromDecay = -10.;
 417   param->fMultCutMaxDCA = 1.;
 418   //
 419   // trackleter
 420   param->fTrackleterPhiWindow = 0.06;
 421   param->fScaleDTBySin2T = kTRUE;
 422   //
 423   param->fSelectBestMIP03 = kFALSE;//kTRUE;
 424   param->fFlagFakes       = kTRUE;
 425   param->fUseImproveKalman= kFALSE;
 426   //
 427   return param;
 428 }
 429 //_____________________________________________________________________________
 430 AliITSRecoParam *AliITSRecoParam::GetLowFluxParam()
 431 {
 432   //
 433   // make default reconstruction  parameters for low  flux env.
 434   //
 435   AliITSRecoParam *param = new AliITSRecoParam();
 436   param->SetVertexer3DDefaults();
 437
 438   // full use of bads from OCDB
 439   param->SetUseBadZonesFromOCDB(kTRUE);
 440   param->SetUseSingleBadChannelsFromOCDB(kTRUE);
 441   // extended eta acceptance
 442   param->SetExtendedEtaAcceptance(kTRUE);
 443   // allow to skip layer if no cluster and no bad
 444   param->SetAllowProlongationWithEmptyRoad(kTRUE);
 445   // set event specie
 446   param->SetEventSpecie(AliRecoParam::kLowMult);
 447
 448   param->fMaxSnp = 0.95;
 449
 450   param->fNSigmaYLayerForRoadY = 4.;
 451   param->fNSigmaRoadY = 7.5;
 452   param->fNSigmaZLayerForRoadZ = 4.;
 453   param->fNSigmaRoadZ = 7.5;
 454
 455   param->fNSigma2RoadZC = 60.; //7.75^2
 456   param->fNSigma2RoadYC = 60.; //7.75^2
 457   param->fNSigma2RoadZNonC = 50.; //7.07^2
 458   param->fNSigma2RoadYNonC = 50.; //7.07^2
 459
 460   param->fMaxChi2PerCluster[0] = 11.; //7
 461   param->fMaxChi2PerCluster[1] = 12.; //5
 462   param->fMaxChi2PerCluster[2] = 12.; //8
 463   param->fMaxChi2PerCluster[3] = 5.;  //8
 464   param->fMaxChi2PerCluster[4] = 12.; //6.5
 465
 466   param->fMaxNormChi2NonC[0] = 7.;
 467   param->fMaxNormChi2NonC[1] = 8.;
 468   param->fMaxNormChi2NonC[2] = 8.;
 469   param->fMaxNormChi2NonC[3] = 11.;
 470   param->fMaxNormChi2NonC[4] = 14.;
 471   param->fMaxNormChi2NonC[5] = 25.;
 472
 473   param->fMaxNormChi2C[0] = 11.;
 474   param->fMaxNormChi2C[1] = 13.;
 475   param->fMaxNormChi2C[2] = 15.;
 476   param->fMaxNormChi2C[3] = 18.;
 477   param->fMaxNormChi2C[4] = 30.;
 478   param->fMaxNormChi2C[5] = 35.;
 479
 480   param->fMaxNormChi2NonCForHypothesis = 7.;
 481
 482   param->fMaxChi2 = 35.;
 483
 484   param->fMaxChi2s[0] = 25.; //40
 485   param->fMaxChi2s[1] = 25.; //40
 486   param->fMaxChi2s[2] = 25.; //40
 487   param->fMaxChi2s[3] = 25.; //40
 488   param->fMaxChi2s[4] = 40.; //40
 489   param->fMaxChi2s[5] = 50.; //40
 490
 491   param->fMaxRoad = 6.;
 492
 493   // not used
 494   param->fMaxChi2In = 16.;
 495
 496   param->fMaxChi2sR[0] = 10.;
 497   param->fMaxChi2sR[1] = 10.;
 498   param->fMaxChi2sR[2] = 10.;
 499   param->fMaxChi2sR[3] = 10.;
 500   param->fMaxChi2sR[4] = 30.;
 501   param->fMaxChi2sR[5] = 40.;
 502
 503   param->fChi2PerCluster = 9.;
 504   // not used
 505
 506   param->fXV = 0.;
 507   param->fYV = 0.;
 508   param->fZV = 0.;
 509   param->fSigmaXV = 0.0050;
 510   param->fSigmaYV = 0.0050;
 511   param->fSigmaZV = 0.0100;
 512
 513   param->fVertexCut = 25.;
 514
 515   param->fMaxDZforPrimTrk = 0.4;
 516   param->fMaxDZToUseConstraint = 3.;
 517
 518   param->fMaxDforV0dghtrForProlongation = 30.;
 519   param->fMaxDForProlongation = 40.;//10.;
 520   param->fMaxDZForProlongation = 60.;//20.;
 521   param->fMinPtForProlongation = 0.120;
 522
 523   param->fZWindowDeadZone = 2.0;
 524   param->fSigmaXDeadZoneHit2 = 0.004/12.;
 525   param->fSigmaZDeadZoneHit2 = 0.001/12.;
 526   param->fXPassDeadZoneHits = 0.018;
 527   param->SetNLoopsSA(20);
 528   param->fMaxPhiSA = 0.07;
 529   param->fMaxLambdaSA = 0.04;
 530
 531
 532   param->GetESDV0Params()->SetMinRTgl0(0.5);
 533   param->GetESDV0Params()->SetMaxDist(1.5);
 534   param->GetESDV0Params()->SetMaxDcaLh0(1.5);
 535   param->GetESDV0Params()->SetMaxRBestConst(80);
 536   param->GetESDV0Params()->SetMinPABestConst(0.99);
 537   param->GetESDV0Params()->SetMinNormDistForbTgl0(1.);
 538   param->GetESDV0Params()->SetMinNormDistForb1(2.);
 539   param->GetESDV0Params()->SetMinNormDistForbProt(1.);
 540   param->GetESDV0Params()->SetMaxPidProbPionForb(0.7);
 541   param->GetESDV0Params()->SetLikelihood01Cut(0.3);
 542   param->GetESDV0Params()->SetLikelihood1Cut(0.35);
 543   param->GetESDV0Params()->SetCombinedCut(0.4);
 544
 545   // mult reco
 546   param->fMultCutPxDrSPDin = 0.1;
 547   param->fMultCutPxDrSPDout = 0.15;
 548   param->fMultCutPxDz = 0.2;
 549   param->fMultCutDCArz = 0.5;
 550   param->fMultCutMinElectronProbTPC = 0.5;
 551   param->fMultCutMinElectronProbESD = 0.1;
 552   param->fMultCutMinP = 0.05;
 553   param->fMultCutMinRGamma = 2.;
 554   param->fMultCutMinRK0 = 1.;
 555   param->fMultCutMinPointAngle = 0.98;
 556   param->fMultCutMaxDCADauther = 0.5;
 557   param->fMultCutMassGamma = 0.03;
 558   param->fMultCutMassGammaNSigma = 5.;
 559   param->fMultCutMassK0 = 0.03;
 560   param->fMultCutMassK0NSigma = 5.;
 561   param->fMultCutChi2cGamma = 2.;
 562   param->fMultCutChi2cK0 = 2.;
 563   param->fMultCutGammaSFromDecay = -10.;
 564   param->fMultCutK0SFromDecay = -10.;
 565   param->fMultCutMaxDCA = 1.;
 566   //
 567
 568   return param;
 569 }
 570 //_____________________________________________________________________________
 571 AliITSRecoParam *AliITSRecoParam::GetCosmicTestParam()
 572 {
 573   //
 574   // make default reconstruction  parameters for cosmics
 575   //
 576   AliITSRecoParam *param = new AliITSRecoParam();
 577
 578   // vertexer for cosmics
 579   param->SetVertexer(2);
 580
 581   param->SetClusterErrorsParam(2);
 582   param->SetFindV0s(kFALSE);
 583   param->SetAddVirtualClustersInDeadZone(kFALSE);
 584   param->SetUseAmplitudeInfo(kFALSE);
 585
 586   // set event specie
 587   param->SetEventSpecie(AliRecoParam::kCosmic);
 588
 589   // full use of bads from OCDB
 590   param->SetUseBadZonesFromOCDB(kTRUE);
 591   param->SetUseSingleBadChannelsFromOCDB(kTRUE);
 592
 593   // find independently ITS SA tracks
 594   param->SetSAUseAllClusters();
 595   param->SetOuterStartLayerSA(AliITSgeomTGeo::GetNLayers()-2);
 596
 597   //****** COSMICS 2009 (same as COSMICS 2008) *********************
 598
 599   // to maximize efficiency
 600   param->SetAllowProlongationWithEmptyRoad();
 601   param->SetMinNPointsSA(2);
 602
 603   // larger seach windows for SA (in case of large misalignments)
 604   param->SetNLoopsSA(32);
 605   param->SetFactorSAWindowSizes(20);
 606
 607   // additional error due to misal (B off)
 608   param->SetClusterMisalErrorY(1.0,1.0,1.0,1.0,1.0,1.0); // [cm]
 609   param->SetClusterMisalErrorZ(1.0,1.0,1.0,1.0,1.0,1.0); // [cm]
 610   // additional error due to misal (B on)
 611   param->SetClusterMisalErrorYBOn(0.0,0.0,0.1,0.1,0.1,0.1); // [cm]
 612   param->SetClusterMisalErrorZBOn(0.1,0.1,0.1,0.1,0.1,0.1); // [cm]
 613
 614
 615   // SDD configuration
 616   param->fUseSDDCorrectionMaps = kFALSE;
 617   param->fUseSDDClusterSizeSelection=kTRUE;
 618   param->fMinClusterChargeSDD=30.;
 619
 620
 621   // alignment data filter
 622   param->SetAlignFilterCosmics(kTRUE);
 623   param->SetAlignFilterCosmicMergeTracks(kTRUE);
 624   param->SetAlignFilterMinITSPoints(1);
 625   param->SetAlignFilterMinITSPointsMerged(3);
 626   param->SetAlignFilterOnlyITSSATracks(kTRUE);
 627   param->SetAlignFilterOnlyITSTPCTracks(kFALSE);
 628   param->SetAlignFilterSkipExtra(kFALSE);
 629   param->SetAlignFilterMaxMatchingAngle(0.085/*5deg*/);
 630   param->SetAlignFilterMinPt(0.2);
 631   param->SetAlignFilterMaxPt(1.e10);
 632   param->SetAlignFilterFillQANtuples(kTRUE);
 633
 634   //******************************************************************
 635
 636   param->fMaxSnp = 0.95;
 637
 638   param->fNSigmaYLayerForRoadY = 4.;
 639   param->fNSigmaRoadY = 7.5;
 640   param->fNSigmaZLayerForRoadZ = 4.;
 641   param->fNSigmaRoadZ = 7.5;
 642
 643   param->fNSigma2RoadZC = 60.; //7.75^2
 644   param->fNSigma2RoadYC = 60.; //7.75^2
 645   param->fNSigma2RoadZNonC = 50.; //7.07^2
 646   param->fNSigma2RoadYNonC = 50.; //7.07^2
 647
 648   param->fMaxChi2PerCluster[0] = 11.; //7
 649   param->fMaxChi2PerCluster[1] = 12.; //5
 650   param->fMaxChi2PerCluster[2] = 12.; //8
 651   param->fMaxChi2PerCluster[3] = 5.;  //8
 652   param->fMaxChi2PerCluster[4] = 12.; //6.5
 653
 654   param->fMaxNormChi2NonC[0] = 7.;
 655   param->fMaxNormChi2NonC[1] = 8.;
 656   param->fMaxNormChi2NonC[2] = 8.;
 657   param->fMaxNormChi2NonC[3] = 11.;
 658   param->fMaxNormChi2NonC[4] = 14.;
 659   param->fMaxNormChi2NonC[5] = 25.;
 660
 661   param->fMaxNormChi2C[0] = 11.;
 662   param->fMaxNormChi2C[1] = 13.;
 663   param->fMaxNormChi2C[2] = 15.;
 664   param->fMaxNormChi2C[3] = 18.;
 665   param->fMaxNormChi2C[4] = 30.;
 666   param->fMaxNormChi2C[5] = 35.;
 667
 668   param->fMaxNormChi2NonCForHypothesis = 7.;
 669
 670   param->fMaxChi2 = 35.;
 671
 672   param->fMaxChi2s[0] = 25.; //40
 673   param->fMaxChi2s[1] = 25.; //40
 674   param->fMaxChi2s[2] = 25.; //40
 675   param->fMaxChi2s[3] = 25.; //40
 676   param->fMaxChi2s[4] = 40.; //40
 677   param->fMaxChi2s[5] = 50.; //40
 678
 679   param->fMaxRoad = 6.;
 680
 681   // not used
 682   param->fMaxChi2In = 16.;
 683
 684   param->fMaxChi2sR[0] = 10.;
 685   param->fMaxChi2sR[1] = 10.;
 686   param->fMaxChi2sR[2] = 10.;
 687   param->fMaxChi2sR[3] = 10.;
 688   param->fMaxChi2sR[4] = 30.;
 689   param->fMaxChi2sR[5] = 40.;
 690
 691   param->fChi2PerCluster = 9.;
 692   // not used
 693
 694   param->fXV = 0.;
 695   param->fYV = 0.;
 696   param->fZV = 0.;
 697   param->fSigmaXV = 0.0050;
 698   param->fSigmaYV = 0.0050;
 699   param->fSigmaZV = 0.0100;
 700
 701   param->fVertexCut = 25.;
 702
 703   param->fMaxDZforPrimTrk = 0.4;
 704   param->fMaxDZToUseConstraint = 3.;
 705
 706   param->fMaxDforV0dghtrForProlongation = 30.;
 707   param->fMaxDForProlongation = 10.;
 708   param->fMaxDZForProlongation = 20.;
 709   param->fMinPtForProlongation = 0.120;
 710
 711   param->fZWindowDeadZone = 2.0;
 712   param->fSigmaXDeadZoneHit2 = 0.004/12.;
 713   param->fSigmaZDeadZoneHit2 = 0.001/12.;
 714   param->fXPassDeadZoneHits = 0.018;
 715
 716   return param;
 717 }
 718 //_____________________________________________________________________________
 719 AliITSRecoParam *AliITSRecoParam::GetPlaneEffParam(Int_t i)
 720 {
 721   //
 722   // make special reconstruction parameters for Plane Efficiency study on layer i (0,5)
 723   //
 724   // if i=-1, then the evaluation for both pixel layers is tried with the tracklet method
 725   //
 726  if (i<-1 || i>=AliITSgeomTGeo::kNLayers) {
 727     printf("AliITSRecoParam::GetPlaneEffParam: index of ITS Plane nor in the range [0,5] neither =-1\n");
 728     printf("returning null pointer");
 729     return NULL;
 730   }
 731   if(i>=0) {  // Method using tracks (remove given plane from tracking)
 732     AliITSRecoParam *param;
 733     param = GetLowFluxParam();
 734     param->SetClusterErrorsParam(2);
 735     // find independently ITS SA tracks
 736     param->SetSAUseAllClusters();
 737     param->SetOuterStartLayerSA(2);
 738     param->SetAllowProlongationWithEmptyRoad(kTRUE);
 739     // larger seach windows for SA (in case of large misalignments)
 740     param->SetFactorSAWindowSizes(2);
 741
 742     // Misalignment syst errors decided at ITS meeting 25.03.2010
 743     // additional error due to misal (B off)
 744     param->SetClusterMisalErrorY(0.0010,0.0010,0.0300,0.0300,0.0020,0.0020); // [cm]
 745     param->SetClusterMisalErrorZ(0.0100,0.0100,0.0100,0.0100,0.0500,0.0500); // [cm]
 746     // additional error due to misal (B on)
 747     param->SetClusterMisalErrorYBOn(0.0010,0.0030,0.0500,0.0500,0.0020,0.0020); // [cm]
 748     param->SetClusterMisalErrorZBOn(0.0100,0.0100,0.0100,0.0100,0.0500,0.0500); // [cm]
 749     //----
 750
 751     // SDD configuration
 752     param->SetUseSDDCorrectionMaps(kTRUE); // changed 30.04.2010
 753     param->SetUseSDDClusterSizeSelection(kTRUE);
 754     param->SetMinClusterChargeSDD(30.);
 755     param->SetUseUnfoldingInClusterFinderSDD(kFALSE);
 756     //
 757     param->SetComputePlaneEff();
 758     param->SetLayerToSkip(i);
 759     param->SetIPlanePlaneEff(i);
 760     param->fNSigXFromBoundaryPlaneEff= 1.;
 761     param->fNSigZFromBoundaryPlaneEff= 1.;
 762     // optimized setting for SPD0 (i==0)
 763     if (i==0) {
 764       param->fMinPtPlaneEff = 0.200; // high pt particles
 765       param->fMaxMissingClustersPlaneEff = 2; // at most 2 layers out of 5 without cluster
 766       param->fMaxMissingClustersOutPlaneEff = 2; // at most 2 layers out of 5 external ones without cluster
 767       param->fRequireClusterInOuterLayerPlaneEff = kTRUE; // cluster on SPD1 must be
 768       //param->fOnlyConstraintPlaneEff = kTRUE;
 769     }
 770     if (i==1 ) {
 771       param->fMinPtPlaneEff = 0.200; // high pt particles
 772       param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
 773       param->fMaxMissingClustersOutPlaneEff = 2; // at most 2 layer out of 4 external ones without cluster
 774       //param->fRequireClusterInOuterLayerPlaneEff = kTRUE; // cluster on SSD1 must be
 775     }
 776     if (i==2) {
 777       param->fMinPtPlaneEff = 0.200; // high pt particles
 778       param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
 779       param->fMaxMissingClustersOutPlaneEff = 2; // at most 2 layer out of 3 external ones without cluster
 780       //param->fRequireClusterInOuterLayerPlaneEff = kTRUE;
 781       //param->fOnlyConstraintPlaneEff = kTRUE;
 782     }
 783     if (i==3) {
 784       param->fMinPtPlaneEff = 0.200; // high pt particles
 785       param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
 786       param->fMaxMissingClustersOutPlaneEff = 1; // at most 1 layer out of 2 external ones without cluster
 787     }
 788     if (i==4) {
 789       param->fMinPtPlaneEff = 0.200; // high pt particles
 790       param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
 791       param->fMaxMissingClustersOutPlaneEff = 1; // at most 1 layer out of 1 external ones without cluster
 792       // param->fRequireClusterInOuterLayerPlaneEff = kTRUE;
 793       //param->fOnlyConstraintPlaneEff = kTRUE;
 794     }
 795     if (i==5) {
 796       param->fMinPtPlaneEff = 0.200; // high pt particles
 797       param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
 798     }
 799     //
 800     return param;
 801   }
 802   else if (i==-1) { // Method using tracklets
 803     AliITSRecoParam *param;
 804     param = GetLowFluxParam();
 805     param->SetIPlanePlaneEff(i);
 806     param->SetComputePlaneEff(kTRUE,kFALSE);
 807     param->SetUseTrackletsPlaneEff(kTRUE);
 808     param->SetTrackleterPhiWindowL2(0.07);
 809     param->SetTrackleterZetaWindowL2(0.4);
 810     param->SetTrackleterPhiWindowL1(0.10);
 811     param->SetTrackleterZetaWindowL1(0.6);
 812     param->SetUpdateOncePerEventPlaneEff(kTRUE);
 813     param->SetMinContVtxPlaneEff(3);
 814     return param;
 815   }
 816   else {
 817     AliErrorGeneral("AliITSRecoParam",Form("Unrecognised value of i %d\n",i));
 818     return 0;
 819   }
 820 }
 821
 822 //_____________________________________________________________________________
 823 void AliITSRecoParam::SetLayersParameters()
 824 {
 825   //
 826   // number of layers and layers spatial resolutions
 827   //
 828
 829   // spatial resolutions of the detectors
 830   // y: 12 12 38 38 20 20 micron
 831   fSigmaY2[0]=1.44e-6;
 832   fSigmaY2[1]=1.44e-6;
 833   fSigmaY2[2]=1.444e-5;
 834   fSigmaY2[3]=1.444e-5;
 835   fSigmaY2[4]=4.0e-6;
 836   fSigmaY2[5]=4.0e-6;
 837   // z: 120 120 28 28 830 830 micron
 838   fSigmaZ2[0]=1.44e-4;
 839   fSigmaZ2[1]=1.44e-4;
 840   fSigmaZ2[2]=7.84e-6;
 841   fSigmaZ2[3]=7.84e-6;
 842   fSigmaZ2[4]=6.889e-3;
 843   fSigmaZ2[5]=6.889e-3;
 844
 845   return;
 846 }
 847 //_____________________________________________________________________________
 848 void AliITSRecoParam::PrintParameters() const
 849 {
 850   //
 851   // print parameters
 852   //
 853
 854   printf("=============================  AliITSRecoParam::PrintParameters ");
 855   printf("============================= \n\n");
 856   for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) {
 857     if(!fLayersToSkip[i]) {
 858       printf("ITS Traking: using layer %d\n",i);
 859     } else {
 860       printf("ITS Traking: skipping layer %d\n",i);
 861     }
 862   }
 863   for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) {
 864     if(fUseAmplitudeInfo[i]) {
 865       printf("ITS Traking: use amplitude info for layer %d\n",i);
 866     } else {
 867       printf("ITS Traking: don't use amplitude info for layer %d\n",i);
 868     }
 869   }
 870   for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++)
 871     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]);
 872
 873
 874   Dump();
 875
 876   return;
 877 }
 878
 879