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.              *
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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     *
  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 "AliLog.h"
  18
  19 /* $Id$ */
  20
  21 ///////////////////////////////////////////////////////////////////////////////
  22 //                                                                           //
  23 // Class with ITS reconstruction parameters                                  //
  24 // Origin: andrea.dainese@lnl.infn.it                                        //
  25 //                                                                           //
  26 ///////////////////////////////////////////////////////////////////////////////
  27
  28
  29
  30 ClassImp(AliITSRecoParam)
  31
  32 const Int_t AliITSRecoParam::fgkLayersNotToSkip[AliITSgeomTGeo::kNLayers]={0,0,0,0,0,0};
  33 const Int_t AliITSRecoParam::fgkLastLayerToTrackTo=0;
  34 const Int_t AliITSRecoParam::fgkMaxDetectorPerLayer=1000;
  35 const Double_t AliITSRecoParam::fgkriw=80.0;
  36 const Double_t AliITSRecoParam::fgkdiw=0.0053;
  37 const Double_t AliITSRecoParam::fgkX0iw=30.0;
  38 const Double_t AliITSRecoParam::fgkrcd=61.0;
  39 const Double_t AliITSRecoParam::fgkdcd=0.0053;
  40 const Double_t AliITSRecoParam::fgkX0cd=30.0;
  41 const Double_t AliITSRecoParam::fgkyr=12.8;
  42 const Double_t AliITSRecoParam::fgkdr=0.03;
  43 const Double_t AliITSRecoParam::fgkzm=0.2;
  44 const Double_t AliITSRecoParam::fgkdm=0.40;
  45 const Double_t AliITSRecoParam::fgkrs=50.0;
  46 const Double_t AliITSRecoParam::fgkds=0.001;
  47 const Double_t AliITSRecoParam::fgkrInsideITSscreen=49.0;
  48 const Double_t AliITSRecoParam::fgkrInsideSPD1=3.5;
  49 const Double_t AliITSRecoParam::fgkrPipe=3.;
  50 const Double_t AliITSRecoParam::fgkrInsidePipe=2.7;
  51 const Double_t AliITSRecoParam::fgkrOutsidePipe=3.3;
  52 const Double_t AliITSRecoParam::fgkdPipe=0.0028;
  53 const Double_t AliITSRecoParam::fgkrInsideShield[2]={7.5,25.0};
  54 const Double_t AliITSRecoParam::fgkrOutsideShield[2]={10.5,30.0};
  55 const Double_t AliITSRecoParam::fgkdshield[2]={0.0097,0.0034};
  56 const Double_t AliITSRecoParam::fgkX0shield[2]={38.6,42.0};
  57 const Double_t AliITSRecoParam::fgkX0Air=21.82;
  58 const Double_t AliITSRecoParam::fgkX0Be=65.19;
  59 const Double_t AliITSRecoParam::fgkBoundaryWidth=0.2;
  60 const Double_t AliITSRecoParam::fgkDeltaXNeighbDets=0.5;
  61 const Double_t AliITSRecoParam::fgkSPDdetzlength=6.960; // 7.072-2*0.056
  62 const Double_t AliITSRecoParam::fgkSPDdetxlength=1.298; // 1.410-2*0.056
  63
  64 //_____________________________________________________________________________
  65 AliITSRecoParam::AliITSRecoParam() : AliDetectorRecoParam(),
  66 fTracker(0),
  67 fITSonly(kFALSE),
  68 fVertexer(0),
  69 fClusterFinder(0),
  70 fPID(0),
  71 fVtxr3DZCutWide(0.),
  72 fVtxr3DRCutWide(0.),
  73 fVtxr3DZCutNarrow(0.),
  74 fVtxr3DRCutNarrow(0.),
  75 fVtxr3DPhiCutLoose(0.),
  76 fVtxr3DPhiCutTight(0.),
  77 fVtxr3DDCACut(0.),
  78 fVtxr3DPileupAlgo(1),
  79 fMaxSnp(1.),
  80 fNSigmaYLayerForRoadY(0),
  81 fNSigmaRoadY(0),
  82 fNSigmaZLayerForRoadZ(0),
  83 fNSigmaRoadZ(0),
  84 fNSigma2RoadZC(0),
  85 fNSigma2RoadYC(0),
  86 fNSigma2RoadZNonC(0),
  87 fNSigma2RoadYNonC(0),
  88 fRoadMisal(0),
  89 fMaxNormChi2NonCForHypothesis(0),
  90 fMaxChi2(0),
  91 fMaxRoad(0),
  92 fMaxChi2In(0),
  93 fChi2PerCluster(0),
  94 fSearchForExtras(kTRUE),
  95 fXV(0),
  96 fYV(0),
  97 fZV(0),
  98 fSigmaXV(0),
  99 fSigmaYV(0),
 100 fSigmaZV(0),
 101 fVertexCut(0),
 102 fMaxDZforPrimTrk(0),
 103 fMaxDZToUseConstraint(0),
 104 fMaxDforV0dghtrForProlongation(0),
 105 fMaxDForProlongation(0),
 106 fMaxDZForProlongation(0),
 107 fMinPtForProlongation(0),
 108 fAddVirtualClustersInDeadZone(kFALSE),
 109 fZWindowDeadZone(0),
 110 fSigmaXDeadZoneHit2(0),
 111 fSigmaZDeadZoneHit2(0),
 112 fXPassDeadZoneHits(0),
 113 fSkipSubdetsNotInTriggerCluster(kTRUE),
 114 fUseTGeoInTracker(3),
 115 fStepSizeTGeo(5.),
 116 fAllowSharedClusters(kTRUE),
 117 fClusterErrorsParam(1),
 118 fComputePlaneEff(kFALSE),
 119 fHistoPlaneEff(kFALSE),
 120 fUseTrackletsPlaneEff(kFALSE),
 121 fMCTrackletsPlaneEff(kFALSE),
 122 fBkgTrackletsPlaneEff(kFALSE),
 123 fTrackleterPhiWindowL1(0.10),
 124 fTrackleterPhiWindowL2(0.07),
 125 fTrackleterZetaWindowL1(0.6),
 126 fTrackleterZetaWindowL2(0.4),
 127 fUpdateOncePerEventPlaneEff(kTRUE),
 128 fMinContVtxPlaneEff(3),
 129 fIPlanePlaneEff(0),
 130 fReadPlaneEffFromOCDB(kFALSE),
 131 fMinPtPlaneEff(0),
 132 fMaxMissingClustersPlaneEff(5),
 133 fMaxMissingClustersOutPlaneEff(5),
 134 fRequireClusterInOuterLayerPlaneEff(kFALSE),
 135 fRequireClusterInInnerLayerPlaneEff(kFALSE),
 136 fOnlyConstraintPlaneEff(kFALSE),
 137 fNSigXFromBoundaryPlaneEff(1.),
 138 fNSigZFromBoundaryPlaneEff(1.),
 139 fImproveWithVertex(kFALSE),
 140 fExtendedEtaAcceptance(kFALSE),
 141 fUseBadZonesFromOCDB(kTRUE),
 142 fUseSingleBadChannelsFromOCDB(kFALSE),
 143 fMinFractionOfBadInRoad(0),
 144 fAllowProlongationWithEmptyRoad(kFALSE),
 145 fInwardFlagSA(kFALSE),
 146 fOuterStartLayerSA(2),
 147 fInnerStartLayerSA(3),
 148 fMinNPointsSA(3),
 149 fFactorSAWindowSizes(1.),
 150 fNLoopsSA(33),
 151 fMinPhiSA(0.002),
 152 fMaxPhiSA(0.0145),
 153 fMinLambdaSA(0.003),
 154 fMaxLambdaSA(0.008),
 155 fMinClusterChargeSA(0.),
 156 fSAOnePointTracks(kFALSE),
 157 fSAUseAllClusters(kFALSE),
 158 fMaxSPDcontrForSAToUseAllClusters(1000000),
 159 fSAUsedEdxInfo(kFALSE),
 160 fSelectBestMIP03(kFALSE),
 161 fFlagFakes(kFALSE),
 162 fUseImproveKalman(kFALSE),
 163 fFindV0s(kTRUE),
 164 fStoreLikeSignV0s(kFALSE),
 165 fUseUnfoldingInClusterFinderSPD(kFALSE),
 166 fUseUnfoldingInClusterFinderSDD(kTRUE),
 167 fUseUnfoldingInClusterFinderSSD(kFALSE),
 168 fUseBadChannelsInClusterFinderSSD(kFALSE),
 169 fUseSDDCorrectionMaps(kTRUE),
 170 fUseSDDClusterSizeSelection(kFALSE),
 171 fMinClusterChargeSDD(0.),
 172 fUseChargeMatchingInClusterFinderSSD(kTRUE),
 173 fTrackleterPhiWindow(0.08),
 174 fTrackleterThetaWindow(0.025),
 175 fTrackleterPhiShift(0.0045),
 176 fTrackleterRemoveClustersFromOverlaps(kFALSE),
 177 fTrackleterPhiOverlapCut(0.005),
 178 fTrackleterZetaOverlapCut(0.05),
 179 fTrackleterPhiRotationAngle(0.0),
 180 fTrackleterNStdDev(1.5),
 181 fScaleDTBySin2T(kFALSE),
 182 fUseCosmicRunShiftsSSD(kFALSE),
 183 fSPDRemoveNoisyFlag(kTRUE),
 184 fSPDRemoveDeadFlag(kTRUE),
 185 fVertexerFastSmearX(0.005),
 186 fVertexerFastSmearY(0.005),
 187 fVertexerFastSmearZ(0.01),
 188 fAlignFilterCosmics(kFALSE),
 189 fAlignFilterCosmicMergeTracks(kTRUE),
 190 fAlignFilterMinITSPoints(4),
 191 fAlignFilterMinITSPointsMerged(4),
 192 fAlignFilterOnlyITSSATracks(kTRUE),
 193 fAlignFilterOnlyITSTPCTracks(kFALSE),
 194 fAlignFilterSkipExtra(kFALSE),
 195 fAlignFilterMaxMatchingAngle(0.085),
 196 fAlignFilterMinAngleWrtModulePlanes(0.52),
 197 fAlignFilterMinPt(0.),
 198 fAlignFilterMaxPt(1.e10),
 199 fAlignFilterFillQANtuples(kTRUE),
 200 //
 201 fMultCutPxDrSPDin(0.1),
 202 fMultCutPxDrSPDout(0.15),
 203 fMultCutPxDz(0.2),
 204 fMultCutDCArz(0.5),
 205 fMultCutMinElectronProbTPC(0.5),
 206 fMultCutMinElectronProbESD(0.1),
 207 fMultCutMinP(0.05),
 208 fMultCutMinRGamma(2.),
 209 fMultCutMinRK0(1.),
 210 fMultCutMinPointAngle(0.98),
 211 fMultCutMaxDCADauther(0.5),
 212 fMultCutMassGamma(0.03),
 213 fMultCutMassGammaNSigma(5.),
 214 fMultCutMassK0(0.03),
 215 fMultCutMassK0NSigma(5.),
 216 fMultCutChi2cGamma(2.),
 217 fMultCutChi2cK0(2.),
 218 fMultCutGammaSFromDecay(-10.),
 219 fMultCutK0SFromDecay(-10.),
 220 fMultCutMaxDCA(1.),
 221 //
 222 fCorrectLorentzAngleSPD(kTRUE),
 223 fTanLorentzAngleHolesSPD(0.017455), // tan(1 degree)
 224 fCorrectLorentzAngleSSD(kTRUE),
 225 fTanLorentzAngleHolesSSD(0.016),  // tan(0.94 degrees)
 226 fTanLorentzAngleElectronsSSD(0.068), // tan(3.98 degrees)
 227 //
 228 fESDV0Params(NULL)
 229 {
 230   //
 231   // constructor
 232   //
 233   SetName("ITS");
 234   SetTitle("ITS");
 235
 236   SetLayersParameters();
 237   for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) fLayersToSkip[i]=0;
 238   SetUseTGeoInTracker(3);
 239   SetStepSizeTGeo(5.);
 240   SetAllowSharedClusters(kTRUE);
 241   SetFindV0s(kTRUE);
 242   SetAddVirtualClustersInDeadZone(kFALSE);
 243   SetUseAmplitudeInfo(kTRUE);
 244   SetClusterErrorsParam(1);
 245   SetClusterMisalError(0.);
 246   SetClusterMisalErrorBOn(0.);
 247   SetVertexer3DDefaults();
 248
 249   for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) fAlignFilterUseLayer[i]=kTRUE;
 250   fESDV0Params = new AliESDV0Params();
 251
 252   fESDV0Params->SetMaxDist0(0.1);
 253   fESDV0Params->SetMaxDist1(0.1);
 254   fESDV0Params->SetMaxDist(1.);
 255   fESDV0Params->SetMinPointAngle(0.85);
 256   fESDV0Params->SetMinPointAngle2(0.99);
 257   fESDV0Params->SetMinR(0.5);
 258   fESDV0Params->SetMaxR(220.);
 259   fESDV0Params->SetMinPABestConst(0.9999);
 260   fESDV0Params->SetMaxRBestConst(10.);
 261   fESDV0Params->SetCausality0Cut(0.19);
 262   fESDV0Params->SetLikelihood01Cut(0.45);
 263   fESDV0Params->SetLikelihood1Cut(0.5);
 264   fESDV0Params->SetCombinedCut(0.55);
 265   fESDV0Params->SetMinClFullTrk(5.0);
 266   fESDV0Params->SetMinTgl0(1.05);
 267   fESDV0Params->SetMinRTgl0(40.0);
 268
 269   fESDV0Params->SetMinNormDistForbTgl0(3.0);
 270   fESDV0Params->SetMinClForb0(4.5);
 271   fESDV0Params->SetMinNormDistForb1(3.0);
 272   fESDV0Params->SetMinNormDistForb2(2.0);
 273   fESDV0Params->SetMinNormDistForb3(1.0);
 274   fESDV0Params->SetMinNormDistForb4(4.0);
 275   fESDV0Params->SetMinNormDistForb5(5.0);
 276   fESDV0Params->SetMinNormDistForbProt(2.0);
 277   fESDV0Params->SetMaxPidProbPionForb(0.5);
 278
 279   fESDV0Params->SetMinRTPCdensity(40.);
 280   fESDV0Params->SetMaxRTPCdensity0(110.);
 281   fESDV0Params->SetMaxRTPCdensity10(120.);
 282   fESDV0Params->SetMaxRTPCdensity20(130.);
 283   fESDV0Params->SetMaxRTPCdensity30(140.);
 284
 285   fESDV0Params->SetMinTPCdensity(0.6);
 286   fESDV0Params->SetMinTgl1(1.1);
 287   fESDV0Params->SetMinTgl2(1.0);
 288   fESDV0Params->SetMinchi2before0(16.);
 289   fESDV0Params->SetMinchi2before1(16.);
 290   fESDV0Params->SetMinchi2after0(16.);
 291   fESDV0Params->SetMinchi2after1(16.);
 292   fESDV0Params->SetAddchi2SharedCl(18.);
 293   fESDV0Params->SetAddchi2NegCl0(25.);
 294   fESDV0Params->SetAddchi2NegCl1(30.);
 295   fESDV0Params->SetSigp0Par0(0.0001);
 296   fESDV0Params->SetSigp0Par1(0.001);
 297   fESDV0Params->SetSigp0Par2(0.1);
 298   fESDV0Params->SetSigpPar0(0.5);
 299   fESDV0Params->SetSigpPar1(0.6);
 300   fESDV0Params->SetSigpPar2(0.4);
 301   fESDV0Params->SetMaxDcaLh0(0.5);
 302   fESDV0Params->SetStreamLevel(0);
 303   fESDV0Params->SetChi2KF(100);
 304   fESDV0Params->SetRobustChi2KF(100);
 305
 306 }
 307 //_____________________________________________________________________________
 308 AliITSRecoParam::~AliITSRecoParam()
 309 {
 310   //
 311   // destructor
 312   //
 313   if(fESDV0Params){
 314     delete fESDV0Params;
 315     fESDV0Params=NULL;
 316   }
 317 }
 318 //_____________________________________________________________________________
 319 AliITSRecoParam *AliITSRecoParam::GetHighFluxParam()
 320 {
 321   //
 322   // make default reconstruction  parameters for hig  flux env.
 323   //
 324   AliITSRecoParam *param = new AliITSRecoParam();
 325   param->SetVertexer3DDefaults();
 326   param->SetSPDVertexerPileupAlgoOff();
 327   // use of bads from OCDB
 328   param->SetUseBadZonesFromOCDB(kTRUE);
 329   param->SetUseSingleBadChannelsFromOCDB(kFALSE);
 330   // use pointing to vertex during prolongation
 331   param->SetImproveWithVertex(kTRUE);
 332   // extended eta acceptance
 333   param->SetExtendedEtaAcceptance(kFALSE);
 334   // allow to skip layer if no cluster and no bad
 335   param->SetAllowProlongationWithEmptyRoad(kFALSE);
 336   // set event specie
 337   param->SetEventSpecie(AliRecoParam::kHighMult);
 338
 339   param->fMaxSnp = 0.95;
 340
 341   param->fNSigmaYLayerForRoadY = 4.;
 342   param->fNSigmaRoadY = 7.5;
 343   param->fNSigmaZLayerForRoadZ = 4.;
 344   param->fNSigmaRoadZ = 7.5;
 345
 346   param->fNSigma2RoadZC = 60.; //7.75^2
 347   param->fNSigma2RoadYC = 60.; //7.75^2
 348   param->fNSigma2RoadZNonC = 50.; //7.07^2
 349   param->fNSigma2RoadYNonC = 50.; //7.07^2
 350
 351   param->fMaxChi2PerCluster[0] = 11.; //7
 352   param->fMaxChi2PerCluster[1] = 12.; //5
 353   param->fMaxChi2PerCluster[2] = 12.; //8
 354   param->fMaxChi2PerCluster[3] = 5.;  //8
 355   param->fMaxChi2PerCluster[4] = 12.; //6.5
 356
 357   param->fMaxNormChi2NonC[0] = 7.;
 358   param->fMaxNormChi2NonC[1] = 8.;
 359   param->fMaxNormChi2NonC[2] = 8.;
 360   param->fMaxNormChi2NonC[3] = 11.;
 361   param->fMaxNormChi2NonC[4] = 14.;
 362   param->fMaxNormChi2NonC[5] = 25.;
 363
 364   param->fMaxNormChi2C[0] = 11.;
 365   param->fMaxNormChi2C[1] = 13.;
 366   param->fMaxNormChi2C[2] = 15.;
 367   param->fMaxNormChi2C[3] = 18.;
 368   param->fMaxNormChi2C[4] = 30.;
 369   param->fMaxNormChi2C[5] = 35.;
 370
 371   param->fMaxNormChi2NonCForHypothesis = 7.;
 372
 373   param->fMaxChi2 = 35.;
 374
 375   param->fMaxChi2s[0] = 25.; //40
 376   param->fMaxChi2s[1] = 25.; //40
 377   param->fMaxChi2s[2] = 25.; //40
 378   param->fMaxChi2s[3] = 25.; //40
 379   param->fMaxChi2s[4] = 40.; //40
 380   param->fMaxChi2s[5] = 50.; //40
 381
 382   param->fMaxRoad = 6.;
 383
 384   // not used
 385   param->fMaxChi2In = 16.;
 386
 387   param->fMaxChi2sR[0] = 10.;
 388   param->fMaxChi2sR[1] = 10.;
 389   param->fMaxChi2sR[2] = 10.;
 390   param->fMaxChi2sR[3] = 10.;
 391   param->fMaxChi2sR[4] = 30.;
 392   param->fMaxChi2sR[5] = 40.;
 393
 394
 395   param->fChi2PerCluster = 9.;
 396   // not used
 397   param->fSearchForExtras = kFALSE;
 398
 399   param->fXV = 0.;
 400   param->fYV = 0.;
 401   param->fZV = 0.;
 402   param->fSigmaXV = 0.0050;
 403   param->fSigmaYV = 0.0050;
 404   param->fSigmaZV = 0.0100;
 405
 406   param->fVertexCut = 25.;
 407
 408   param->fMaxDZforPrimTrk = 0.4;
 409   param->fMaxDZToUseConstraint = 3.;
 410
 411   param->fMaxDforV0dghtrForProlongation = 30.;
 412   param->fMaxDForProlongation = 40.;//10.;
 413   param->fMaxDZForProlongation = 60.;//20.;
 414   param->fMinPtForProlongation = 0.120;
 415
 416   param->fZWindowDeadZone = 2.0;
 417   param->fSigmaXDeadZoneHit2 = 0.004/12.;
 418   param->fSigmaZDeadZoneHit2 = 0.001/12.;
 419   param->fXPassDeadZoneHits = 0.018;
 420   //
 421   // mult reco
 422   param->fMultCutPxDrSPDin = 0.1;
 423   param->fMultCutPxDrSPDout = 0.15;
 424   param->fMultCutPxDz = 0.2;
 425   param->fMultCutDCArz = 0.5;
 426   param->fMultCutMinElectronProbTPC = 0.5;
 427   param->fMultCutMinElectronProbESD = 0.1;
 428   param->fMultCutMinP = 0.05;
 429   param->fMultCutMinRGamma = 2.;
 430   param->fMultCutMinRK0 = 1.;
 431   param->fMultCutMinPointAngle = 0.98;
 432   param->fMultCutMaxDCADauther = 0.5;
 433   param->fMultCutMassGamma = 0.03;
 434   param->fMultCutMassGammaNSigma = 5.;
 435   param->fMultCutMassK0 = 0.03;
 436   param->fMultCutMassK0NSigma = 5.;
 437   param->fMultCutChi2cGamma = 2.;
 438   param->fMultCutChi2cK0 = 2.;
 439   param->fMultCutGammaSFromDecay = -10.;
 440   param->fMultCutK0SFromDecay = -10.;
 441   param->fMultCutMaxDCA = 1.;
 442   //
 443   // trackleter
 444   param->fTrackleterPhiWindow = 0.06;
 445   param->fScaleDTBySin2T = kTRUE;
 446   //
 447   param->fSelectBestMIP03 = kTRUE;
 448   param->fFlagFakes       = kTRUE;
 449   param->fUseImproveKalman= kFALSE;
 450   //
 451   return param;
 452 }
 453 //_____________________________________________________________________________
 454 AliITSRecoParam *AliITSRecoParam::GetLowFluxParam()
 455 {
 456   //
 457   // make default reconstruction  parameters for low  flux env.
 458   //
 459   AliITSRecoParam *param = new AliITSRecoParam();
 460   param->SetVertexer3DDefaults();
 461
 462   // full use of bads from OCDB
 463   param->SetUseBadZonesFromOCDB(kTRUE);
 464   param->SetUseSingleBadChannelsFromOCDB(kTRUE);
 465   // extended eta acceptance
 466   param->SetExtendedEtaAcceptance(kTRUE);
 467   // allow to skip layer if no cluster and no bad
 468   param->SetAllowProlongationWithEmptyRoad(kTRUE);
 469   // set event specie
 470   param->SetEventSpecie(AliRecoParam::kLowMult);
 471
 472   param->fMaxSnp = 0.95;
 473
 474   param->fNSigmaYLayerForRoadY = 4.;
 475   param->fNSigmaRoadY = 7.5;
 476   param->fNSigmaZLayerForRoadZ = 4.;
 477   param->fNSigmaRoadZ = 7.5;
 478
 479   param->fNSigma2RoadZC = 60.; //7.75^2
 480   param->fNSigma2RoadYC = 60.; //7.75^2
 481   param->fNSigma2RoadZNonC = 50.; //7.07^2
 482   param->fNSigma2RoadYNonC = 50.; //7.07^2
 483
 484   param->fMaxChi2PerCluster[0] = 11.; //7
 485   param->fMaxChi2PerCluster[1] = 12.; //5
 486   param->fMaxChi2PerCluster[2] = 12.; //8
 487   param->fMaxChi2PerCluster[3] = 5.;  //8
 488   param->fMaxChi2PerCluster[4] = 12.; //6.5
 489
 490   param->fMaxNormChi2NonC[0] = 7.;
 491   param->fMaxNormChi2NonC[1] = 8.;
 492   param->fMaxNormChi2NonC[2] = 8.;
 493   param->fMaxNormChi2NonC[3] = 11.;
 494   param->fMaxNormChi2NonC[4] = 14.;
 495   param->fMaxNormChi2NonC[5] = 25.;
 496
 497   param->fMaxNormChi2C[0] = 11.;
 498   param->fMaxNormChi2C[1] = 13.;
 499   param->fMaxNormChi2C[2] = 15.;
 500   param->fMaxNormChi2C[3] = 18.;
 501   param->fMaxNormChi2C[4] = 30.;
 502   param->fMaxNormChi2C[5] = 35.;
 503
 504   param->fMaxNormChi2NonCForHypothesis = 7.;
 505
 506   param->fMaxChi2 = 35.;
 507
 508   param->fMaxChi2s[0] = 25.; //40
 509   param->fMaxChi2s[1] = 25.; //40
 510   param->fMaxChi2s[2] = 25.; //40
 511   param->fMaxChi2s[3] = 25.; //40
 512   param->fMaxChi2s[4] = 40.; //40
 513   param->fMaxChi2s[5] = 50.; //40
 514
 515   param->fMaxRoad = 6.;
 516
 517   // not used
 518   param->fMaxChi2In = 16.;
 519
 520   param->fMaxChi2sR[0] = 10.;
 521   param->fMaxChi2sR[1] = 10.;
 522   param->fMaxChi2sR[2] = 10.;
 523   param->fMaxChi2sR[3] = 10.;
 524   param->fMaxChi2sR[4] = 30.;
 525   param->fMaxChi2sR[5] = 40.;
 526
 527   param->fChi2PerCluster = 9.;
 528   // not used
 529
 530   param->fXV = 0.;
 531   param->fYV = 0.;
 532   param->fZV = 0.;
 533   param->fSigmaXV = 0.0050;
 534   param->fSigmaYV = 0.0050;
 535   param->fSigmaZV = 0.0100;
 536
 537   param->fVertexCut = 25.;
 538
 539   param->fMaxDZforPrimTrk = 0.4;
 540   param->fMaxDZToUseConstraint = 3.;
 541
 542   param->fMaxDforV0dghtrForProlongation = 30.;
 543   param->fMaxDForProlongation = 40.;//10.;
 544   param->fMaxDZForProlongation = 60.;//20.;
 545   param->fMinPtForProlongation = 0.120;
 546
 547   param->fZWindowDeadZone = 2.0;
 548   param->fSigmaXDeadZoneHit2 = 0.004/12.;
 549   param->fSigmaZDeadZoneHit2 = 0.001/12.;
 550   param->fXPassDeadZoneHits = 0.018;
 551   param->SetNLoopsSA(20);
 552   param->fMaxPhiSA = 0.07;
 553   param->fMaxLambdaSA = 0.04;
 554
 555
 556   param->GetESDV0Params()->SetMinRTgl0(0.5);
 557   param->GetESDV0Params()->SetMaxDist(1.5);
 558   param->GetESDV0Params()->SetMaxDcaLh0(1.5);
 559   param->GetESDV0Params()->SetMaxRBestConst(80);
 560   param->GetESDV0Params()->SetMinPABestConst(0.99);
 561   param->GetESDV0Params()->SetMinNormDistForbTgl0(1.);
 562   param->GetESDV0Params()->SetMinNormDistForb1(2.);
 563   param->GetESDV0Params()->SetMinNormDistForbProt(1.);
 564   param->GetESDV0Params()->SetMaxPidProbPionForb(0.7);
 565   param->GetESDV0Params()->SetLikelihood01Cut(0.3);
 566   param->GetESDV0Params()->SetLikelihood1Cut(0.35);
 567   param->GetESDV0Params()->SetCombinedCut(0.4);
 568
 569   // mult reco
 570   param->fMultCutPxDrSPDin = 0.1;
 571   param->fMultCutPxDrSPDout = 0.15;
 572   param->fMultCutPxDz = 0.2;
 573   param->fMultCutDCArz = 0.5;
 574   param->fMultCutMinElectronProbTPC = 0.5;
 575   param->fMultCutMinElectronProbESD = 0.1;
 576   param->fMultCutMinP = 0.05;
 577   param->fMultCutMinRGamma = 2.;
 578   param->fMultCutMinRK0 = 1.;
 579   param->fMultCutMinPointAngle = 0.98;
 580   param->fMultCutMaxDCADauther = 0.5;
 581   param->fMultCutMassGamma = 0.03;
 582   param->fMultCutMassGammaNSigma = 5.;
 583   param->fMultCutMassK0 = 0.03;
 584   param->fMultCutMassK0NSigma = 5.;
 585   param->fMultCutChi2cGamma = 2.;
 586   param->fMultCutChi2cK0 = 2.;
 587   param->fMultCutGammaSFromDecay = -10.;
 588   param->fMultCutK0SFromDecay = -10.;
 589   param->fMultCutMaxDCA = 1.;
 590   //
 591
 592   return param;
 593 }
 594 //_____________________________________________________________________________
 595 AliITSRecoParam *AliITSRecoParam::GetCosmicTestParam()
 596 {
 597   //
 598   // make default reconstruction  parameters for cosmics
 599   //
 600   AliITSRecoParam *param = new AliITSRecoParam();
 601
 602   // vertexer for cosmics
 603   param->SetVertexer(2);
 604
 605   param->SetClusterErrorsParam(2);
 606   param->SetFindV0s(kFALSE);
 607   param->SetAddVirtualClustersInDeadZone(kFALSE);
 608   param->SetUseAmplitudeInfo(kFALSE);
 609
 610   // set event specie
 611   param->SetEventSpecie(AliRecoParam::kCosmic);
 612
 613   // full use of bads from OCDB
 614   param->SetUseBadZonesFromOCDB(kTRUE);
 615   param->SetUseSingleBadChannelsFromOCDB(kTRUE);
 616
 617   // find independently ITS SA tracks
 618   param->SetSAUseAllClusters();
 619   param->SetOuterStartLayerSA(AliITSgeomTGeo::GetNLayers()-2);
 620
 621   //****** COSMICS 2009 (same as COSMICS 2008) *********************
 622
 623   // to maximize efficiency
 624   param->SetAllowProlongationWithEmptyRoad();
 625   param->SetMinNPointsSA(2);
 626
 627   // larger seach windows for SA (in case of large misalignments)
 628   param->SetNLoopsSA(33);
 629   param->SetFactorSAWindowSizes(20);
 630
 631   // additional error due to misal (B off)
 632   param->SetClusterMisalErrorY(1.0,1.0,1.0,1.0,1.0,1.0); // [cm]
 633   param->SetClusterMisalErrorZ(1.0,1.0,1.0,1.0,1.0,1.0); // [cm]
 634   // additional error due to misal (B on)
 635   param->SetClusterMisalErrorYBOn(0.0,0.0,0.1,0.1,0.1,0.1); // [cm]
 636   param->SetClusterMisalErrorZBOn(0.1,0.1,0.1,0.1,0.1,0.1); // [cm]
 637
 638
 639   // SDD configuration
 640   param->fUseSDDCorrectionMaps = kFALSE;
 641   param->fUseSDDClusterSizeSelection=kTRUE;
 642   param->fMinClusterChargeSDD=30.;
 643
 644
 645   // alignment data filter
 646   param->SetAlignFilterCosmics(kTRUE);
 647   param->SetAlignFilterCosmicMergeTracks(kTRUE);
 648   param->SetAlignFilterMinITSPoints(1);
 649   param->SetAlignFilterMinITSPointsMerged(3);
 650   param->SetAlignFilterOnlyITSSATracks(kTRUE);
 651   param->SetAlignFilterOnlyITSTPCTracks(kFALSE);
 652   param->SetAlignFilterSkipExtra(kFALSE);
 653   param->SetAlignFilterMaxMatchingAngle(0.085/*5deg*/);
 654   param->SetAlignFilterMinPt(0.2);
 655   param->SetAlignFilterMaxPt(1.e10);
 656   param->SetAlignFilterFillQANtuples(kTRUE);
 657
 658   //******************************************************************
 659
 660   param->fMaxSnp = 0.95;
 661
 662   param->fNSigmaYLayerForRoadY = 4.;
 663   param->fNSigmaRoadY = 7.5;
 664   param->fNSigmaZLayerForRoadZ = 4.;
 665   param->fNSigmaRoadZ = 7.5;
 666
 667   param->fNSigma2RoadZC = 60.; //7.75^2
 668   param->fNSigma2RoadYC = 60.; //7.75^2
 669   param->fNSigma2RoadZNonC = 50.; //7.07^2
 670   param->fNSigma2RoadYNonC = 50.; //7.07^2
 671
 672   param->fMaxChi2PerCluster[0] = 11.; //7
 673   param->fMaxChi2PerCluster[1] = 12.; //5
 674   param->fMaxChi2PerCluster[2] = 12.; //8
 675   param->fMaxChi2PerCluster[3] = 5.;  //8
 676   param->fMaxChi2PerCluster[4] = 12.; //6.5
 677
 678   param->fMaxNormChi2NonC[0] = 7.;
 679   param->fMaxNormChi2NonC[1] = 8.;
 680   param->fMaxNormChi2NonC[2] = 8.;
 681   param->fMaxNormChi2NonC[3] = 11.;
 682   param->fMaxNormChi2NonC[4] = 14.;
 683   param->fMaxNormChi2NonC[5] = 25.;
 684
 685   param->fMaxNormChi2C[0] = 11.;
 686   param->fMaxNormChi2C[1] = 13.;
 687   param->fMaxNormChi2C[2] = 15.;
 688   param->fMaxNormChi2C[3] = 18.;
 689   param->fMaxNormChi2C[4] = 30.;
 690   param->fMaxNormChi2C[5] = 35.;
 691
 692   param->fMaxNormChi2NonCForHypothesis = 7.;
 693
 694   param->fMaxChi2 = 35.;
 695
 696   param->fMaxChi2s[0] = 25.; //40
 697   param->fMaxChi2s[1] = 25.; //40
 698   param->fMaxChi2s[2] = 25.; //40
 699   param->fMaxChi2s[3] = 25.; //40
 700   param->fMaxChi2s[4] = 40.; //40
 701   param->fMaxChi2s[5] = 50.; //40
 702
 703   param->fMaxRoad = 6.;
 704
 705   // not used
 706   param->fMaxChi2In = 16.;
 707
 708   param->fMaxChi2sR[0] = 10.;
 709   param->fMaxChi2sR[1] = 10.;
 710   param->fMaxChi2sR[2] = 10.;
 711   param->fMaxChi2sR[3] = 10.;
 712   param->fMaxChi2sR[4] = 30.;
 713   param->fMaxChi2sR[5] = 40.;
 714
 715   param->fChi2PerCluster = 9.;
 716   // not used
 717
 718   param->fXV = 0.;
 719   param->fYV = 0.;
 720   param->fZV = 0.;
 721   param->fSigmaXV = 0.0050;
 722   param->fSigmaYV = 0.0050;
 723   param->fSigmaZV = 0.0100;
 724
 725   param->fVertexCut = 25.;
 726
 727   param->fMaxDZforPrimTrk = 0.4;
 728   param->fMaxDZToUseConstraint = 3.;
 729
 730   param->fMaxDforV0dghtrForProlongation = 30.;
 731   param->fMaxDForProlongation = 10.;
 732   param->fMaxDZForProlongation = 20.;
 733   param->fMinPtForProlongation = 0.120;
 734
 735   param->fZWindowDeadZone = 2.0;
 736   param->fSigmaXDeadZoneHit2 = 0.004/12.;
 737   param->fSigmaZDeadZoneHit2 = 0.001/12.;
 738   param->fXPassDeadZoneHits = 0.018;
 739
 740   return param;
 741 }
 742 //_____________________________________________________________________________
 743 AliITSRecoParam *AliITSRecoParam::GetPlaneEffParam(Int_t i)
 744 {
 745   //
 746   // make special reconstruction parameters for Plane Efficiency study on layer i (0,5)
 747   //
 748   // if i=-1, then the evaluation for both pixel layers is tried with the tracklet method
 749   //
 750  if (i<-1 || i>=AliITSgeomTGeo::kNLayers) {
 751     printf("AliITSRecoParam::GetPlaneEffParam: index of ITS Plane nor in the range [0,5] neither =-1\n");
 752     printf("returning null pointer");
 753     return NULL;
 754   }
 755   if(i>=0) {  // Method using tracks (remove given plane from tracking)
 756     AliITSRecoParam *param;
 757     param = GetLowFluxParam();
 758     param->SetClusterErrorsParam(2);
 759     // find independently ITS SA tracks
 760     param->SetSAUseAllClusters();
 761     param->SetOuterStartLayerSA(2);
 762     param->SetAllowProlongationWithEmptyRoad(kTRUE);
 763     // larger seach windows for SA (in case of large misalignments)
 764     param->SetFactorSAWindowSizes(2);
 765
 766     // Misalignment syst errors decided at ITS meeting 25.03.2010
 767     // additional error due to misal (B off)
 768     param->SetClusterMisalErrorY(0.0010,0.0010,0.0300,0.0300,0.0020,0.0020); // [cm]
 769     param->SetClusterMisalErrorZ(0.0100,0.0100,0.0100,0.0100,0.0500,0.0500); // [cm]
 770     // additional error due to misal (B on)
 771     param->SetClusterMisalErrorYBOn(0.0010,0.0030,0.0500,0.0500,0.0020,0.0020); // [cm]
 772     param->SetClusterMisalErrorZBOn(0.0100,0.0100,0.0100,0.0100,0.0500,0.0500); // [cm]
 773     //----
 774
 775     // SDD configuration
 776     param->SetUseSDDCorrectionMaps(kTRUE); // changed 30.04.2010
 777     param->SetUseSDDClusterSizeSelection(kTRUE);
 778     param->SetMinClusterChargeSDD(30.);
 779     param->SetUseUnfoldingInClusterFinderSDD(kFALSE);
 780     //
 781     param->SetComputePlaneEff();
 782     param->SetLayerToSkip(i);
 783     param->SetIPlanePlaneEff(i);
 784     param->fNSigXFromBoundaryPlaneEff= 1.;
 785     param->fNSigZFromBoundaryPlaneEff= 1.;
 786     // optimized setting for SPD0 (i==0)
 787     if (i==0) {
 788       param->fMinPtPlaneEff = 0.200; // high pt particles
 789       param->fMaxMissingClustersPlaneEff = 2; // at most 2 layers out of 5 without cluster
 790       param->fMaxMissingClustersOutPlaneEff = 2; // at most 2 layers out of 5 external ones without cluster
 791       param->fRequireClusterInOuterLayerPlaneEff = kTRUE; // cluster on SPD1 must be
 792       //param->fOnlyConstraintPlaneEff = kTRUE;
 793     }
 794     if (i==1 ) {
 795       param->fMinPtPlaneEff = 0.200; // high pt particles
 796       param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
 797       param->fMaxMissingClustersOutPlaneEff = 2; // at most 2 layer out of 4 external ones without cluster
 798       //param->fRequireClusterInOuterLayerPlaneEff = kTRUE; // cluster on SSD1 must be
 799     }
 800     if (i==2) {
 801       param->fMinPtPlaneEff = 0.200; // high pt particles
 802       param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
 803       param->fMaxMissingClustersOutPlaneEff = 2; // at most 2 layer out of 3 external ones without cluster
 804       //param->fRequireClusterInOuterLayerPlaneEff = kTRUE;
 805       //param->fOnlyConstraintPlaneEff = kTRUE;
 806     }
 807     if (i==3) {
 808       param->fMinPtPlaneEff = 0.200; // high pt particles
 809       param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
 810       param->fMaxMissingClustersOutPlaneEff = 1; // at most 1 layer out of 2 external ones without cluster
 811     }
 812     if (i==4) {
 813       param->fMinPtPlaneEff = 0.200; // high pt particles
 814       param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
 815       param->fMaxMissingClustersOutPlaneEff = 1; // at most 1 layer out of 1 external ones without cluster
 816       // param->fRequireClusterInOuterLayerPlaneEff = kTRUE;
 817       //param->fOnlyConstraintPlaneEff = kTRUE;
 818     }
 819     if (i==5) {
 820       param->fMinPtPlaneEff = 0.200; // high pt particles
 821       param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
 822     }
 823     //
 824     return param;
 825   }
 826   else if (i==-1) { // Method using tracklets
 827     AliITSRecoParam *param;
 828     param = GetLowFluxParam();
 829     param->SetIPlanePlaneEff(i);
 830     param->SetComputePlaneEff(kTRUE,kFALSE);
 831     param->SetUseTrackletsPlaneEff(kTRUE);
 832     param->SetTrackleterPhiWindowL2(0.07);
 833     param->SetTrackleterZetaWindowL2(0.4);
 834     param->SetTrackleterPhiWindowL1(0.10);
 835     param->SetTrackleterZetaWindowL1(0.6);
 836     param->SetUpdateOncePerEventPlaneEff(kTRUE);
 837     param->SetMinContVtxPlaneEff(3);
 838     return param;
 839   }
 840   else {
 841     AliErrorGeneral("AliITSRecoParam",Form("Unrecognised value of i %d\n",i));
 842     return 0;
 843   }
 844 }
 845
 846 //_____________________________________________________________________________
 847 void AliITSRecoParam::SetLayersParameters()
 848 {
 849   //
 850   // number of layers and layers spatial resolutions
 851   //
 852
 853   // spatial resolutions of the detectors
 854   // y: 12 12 38 38 20 20 micron
 855   fSigmaY2[0]=1.44e-6;
 856   fSigmaY2[1]=1.44e-6;
 857   fSigmaY2[2]=1.444e-5;
 858   fSigmaY2[3]=1.444e-5;
 859   fSigmaY2[4]=4.0e-6;
 860   fSigmaY2[5]=4.0e-6;
 861   // z: 120 120 28 28 830 830 micron
 862   fSigmaZ2[0]=1.44e-4;
 863   fSigmaZ2[1]=1.44e-4;
 864   fSigmaZ2[2]=7.84e-6;
 865   fSigmaZ2[3]=7.84e-6;
 866   fSigmaZ2[4]=6.889e-3;
 867   fSigmaZ2[5]=6.889e-3;
 868
 869   return;
 870 }
 871 //_____________________________________________________________________________
 872 void AliITSRecoParam::PrintParameters() const
 873 {
 874   //
 875   // print parameters
 876   //
 877
 878   printf("=============================  AliITSRecoParam::PrintParameters ");
 879   printf("============================= \n\n");
 880   for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) {
 881     if(!fLayersToSkip[i]) {
 882       printf("ITS Traking: using layer %d\n",i);
 883     } else {
 884       printf("ITS Traking: skipping layer %d\n",i);
 885     }
 886   }
 887   for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) {
 888     if(fUseAmplitudeInfo[i]) {
 889       printf("ITS Traking: use amplitude info for layer %d\n",i);
 890     } else {
 891       printf("ITS Traking: don't use amplitude info for layer %d\n",i);
 892     }
 893   }
 894   for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++)
 895     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]);
 896
 897
 898   Dump();
 899
 900   return;
 901 }
 902