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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  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 fXV(0),
  95 fYV(0),
  96 fZV(0),
  97 fSigmaXV(0),
  98 fSigmaYV(0),
  99 fSigmaZV(0),
 100 fVertexCut(0),
 101 fMaxDZforPrimTrk(0),
 102 fMaxDZToUseConstraint(0),
 103 fMaxDforV0dghtrForProlongation(0),
 104 fMaxDForProlongation(0),
 105 fMaxDZForProlongation(0),
 106 fMinPtForProlongation(0),
 107 fAddVirtualClustersInDeadZone(kFALSE),
 108 fZWindowDeadZone(0),
 109 fSigmaXDeadZoneHit2(0),
 110 fSigmaZDeadZoneHit2(0),
 111 fXPassDeadZoneHits(0),
 112 fUseTGeoInTracker(3),
 113 fStepSizeTGeo(5.),
 114 fAllowSharedClusters(kTRUE),
 115 fClusterErrorsParam(1),
 116 fComputePlaneEff(kFALSE),
 117 fHistoPlaneEff(kFALSE),
 118 fUseTrackletsPlaneEff(kFALSE),
 119 fMCTrackletsPlaneEff(kFALSE),
 120 fBkgTrackletsPlaneEff(kFALSE),
 121 fTrackleterPhiWindowL1(0.10),
 122 fTrackleterPhiWindowL2(0.07),
 123 fTrackleterZetaWindowL1(0.6),
 124 fTrackleterZetaWindowL2(0.4),
 125 fUpdateOncePerEventPlaneEff(kTRUE),
 126 fMinContVtxPlaneEff(3),
 127 fIPlanePlaneEff(0),
 128 fReadPlaneEffFromOCDB(kFALSE),
 129 fMinPtPlaneEff(0),
 130 fMaxMissingClustersPlaneEff(0),
 131 fRequireClusterInOuterLayerPlaneEff(kFALSE),
 132 fRequireClusterInInnerLayerPlaneEff(kFALSE),
 133 fOnlyConstraintPlaneEff(kFALSE),
 134 fExtendedEtaAcceptance(kFALSE),
 135 fUseBadZonesFromOCDB(kTRUE),
 136 fUseSingleBadChannelsFromOCDB(kFALSE),
 137 fMinFractionOfBadInRoad(0),
 138 fAllowProlongationWithEmptyRoad(kFALSE),
 139 fInwardFlagSA(kFALSE),
 140 fOuterStartLayerSA(2),
 141 fInnerStartLayerSA(3),
 142 fMinNPointsSA(3),
 143 fFactorSAWindowSizes(1.),
 144 fNLoopsSA(33),
 145 fMinPhiSA(0.002),
 146 fMaxPhiSA(0.0145),
 147 fMinLambdaSA(0.003),
 148 fMaxLambdaSA(0.008),
 149 fMinClusterChargeSA(0.),
 150 fSAOnePointTracks(kFALSE),
 151 fSAUseAllClusters(kFALSE),
 152 fFindV0s(kTRUE),
 153 fStoreLikeSignV0s(kFALSE),
 154 fUseUnfoldingInClusterFinderSPD(kFALSE),
 155 fUseUnfoldingInClusterFinderSDD(kTRUE),
 156 fUseUnfoldingInClusterFinderSSD(kFALSE),
 157 fUseBadChannelsInClusterFinderSSD(kFALSE),
 158 fUseSDDCorrectionMaps(kTRUE),
 159 fUseSDDClusterSizeSelection(kFALSE),
 160 fMinClusterChargeSDD(0.),
 161 fUseChargeMatchingInClusterFinderSSD(kTRUE),
 162 fTrackleterPhiWindow(0.08),
 163 fTrackleterThetaWindow(0.025),
 164 fTrackleterPhiShift(0.0045),
 165 fTrackleterRemoveClustersFromOverlaps(kFALSE),
 166 fTrackleterPhiOverlapCut(0.005),
 167 fTrackleterZetaOverlapCut(0.05),
 168 fUseCosmicRunShiftsSSD(kFALSE),
 169 fSPDRemoveNoisyFlag(kTRUE),
 170 fSPDRemoveDeadFlag(kTRUE),
 171 fVertexerFastSmearX(0.005),
 172 fVertexerFastSmearY(0.005),
 173 fVertexerFastSmearZ(0.01),
 174 fAlignFilterCosmics(kFALSE),
 175 fAlignFilterCosmicMergeTracks(kTRUE),
 176 fAlignFilterMinITSPoints(4),
 177 fAlignFilterMinITSPointsMerged(4),
 178 fAlignFilterOnlyITSSATracks(kTRUE),
 179 fAlignFilterOnlyITSTPCTracks(kFALSE),
 180 fAlignFilterSkipExtra(kFALSE),
 181 fAlignFilterMaxMatchingAngle(0.085),
 182 fAlignFilterMinAngleWrtModulePlanes(0.52),
 183 fAlignFilterMinPt(0.),
 184 fAlignFilterMaxPt(1.e10),
 185 fAlignFilterFillQANtuples(kTRUE),
 186 fESDV0Params(NULL)
 187 {
 188   //
 189   // constructor
 190   //
 191   SetName("ITS");
 192   SetTitle("ITS");
 193
 194   SetLayersParameters();
 195   for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) fLayersToSkip[i]=0;
 196   SetUseTGeoInTracker(3);
 197   SetStepSizeTGeo(5.);
 198   SetAllowSharedClusters(kTRUE);
 199   SetFindV0s(kTRUE);
 200   SetAddVirtualClustersInDeadZone(kFALSE);
 201   SetUseAmplitudeInfo(kTRUE);
 202   SetClusterErrorsParam(1);
 203   SetClusterMisalError(0.);
 204   SetClusterMisalErrorBOn(0.);
 205   SetVertexer3DDefaults();
 206
 207   for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) fAlignFilterUseLayer[i]=kTRUE;
 208   fESDV0Params = new AliESDV0Params();
 209
 210   fESDV0Params->SetMaxDist0(0.1);
 211   fESDV0Params->SetMaxDist1(0.1);
 212   fESDV0Params->SetMaxDist(1.);
 213   fESDV0Params->SetMinPointAngle(0.85);
 214   fESDV0Params->SetMinPointAngle2(0.99);
 215   fESDV0Params->SetMinR(0.5);
 216   fESDV0Params->SetMaxR(220.);
 217   fESDV0Params->SetMinPABestConst(0.9999);
 218   fESDV0Params->SetMaxRBestConst(10.);
 219   fESDV0Params->SetCausality0Cut(0.19);
 220   fESDV0Params->SetLikelihood01Cut(0.45);
 221   fESDV0Params->SetLikelihood1Cut(0.5);
 222   fESDV0Params->SetCombinedCut(0.55);
 223   fESDV0Params->SetMinClFullTrk(5.0);
 224   fESDV0Params->SetMinTgl0(1.05);
 225   fESDV0Params->SetMinRTgl0(40.0);
 226
 227   fESDV0Params->SetMinNormDistForbTgl0(3.0);
 228   fESDV0Params->SetMinClForb0(4.5);
 229   fESDV0Params->SetMinNormDistForb1(3.0);
 230   fESDV0Params->SetMinNormDistForb2(2.0);
 231   fESDV0Params->SetMinNormDistForb3(1.0);
 232   fESDV0Params->SetMinNormDistForb4(4.0);
 233   fESDV0Params->SetMinNormDistForb5(5.0);
 234
 235   fESDV0Params->SetMinRTPCdensity(40.);
 236   fESDV0Params->SetMaxRTPCdensity0(110.);
 237   fESDV0Params->SetMaxRTPCdensity10(120.);
 238   fESDV0Params->SetMaxRTPCdensity20(130.);
 239   fESDV0Params->SetMaxRTPCdensity30(140.);
 240
 241   fESDV0Params->SetMinTPCdensity(0.6);
 242   fESDV0Params->SetMinTgl1(1.1);
 243   fESDV0Params->SetMinTgl2(1.0);
 244   fESDV0Params->SetMinchi2before0(16.);
 245   fESDV0Params->SetMinchi2before1(16.);
 246   fESDV0Params->SetMinchi2after0(16.);
 247   fESDV0Params->SetMinchi2after1(16.);
 248   fESDV0Params->SetAddchi2SharedCl(18.);
 249   fESDV0Params->SetAddchi2NegCl0(25.);
 250   fESDV0Params->SetAddchi2NegCl1(30.);
 251   fESDV0Params->SetSigp0Par0(0.0001);
 252   fESDV0Params->SetSigp0Par1(0.001);
 253   fESDV0Params->SetSigp0Par2(0.1);
 254   fESDV0Params->SetSigpPar0(0.5);
 255   fESDV0Params->SetSigpPar1(0.6);
 256   fESDV0Params->SetSigpPar2(0.4);
 257   fESDV0Params->SetMaxDcaLh0(0.5);
 258   fESDV0Params->SetStreamLevel(0);
 259   fESDV0Params->SetChi2KF(100);
 260   fESDV0Params->SetRobustChi2KF(100);
 261
 262 }
 263 //_____________________________________________________________________________
 264 AliITSRecoParam::~AliITSRecoParam()
 265 {
 266   //
 267   // destructor
 268   //
 269   if(fESDV0Params){
 270     delete fESDV0Params;
 271     fESDV0Params=NULL;
 272   }
 273 }
 274 //_____________________________________________________________________________
 275 AliITSRecoParam *AliITSRecoParam::GetHighFluxParam()
 276 {
 277   //
 278   // make default reconstruction  parameters for hig  flux env.
 279   //
 280   AliITSRecoParam *param = new AliITSRecoParam();
 281   param->SetVertexerZ();
 282
 283   // use of bads from OCDB
 284   param->SetUseBadZonesFromOCDB(kTRUE);
 285   param->SetUseSingleBadChannelsFromOCDB(kFALSE);
 286   // extended eta acceptance
 287   param->SetExtendedEtaAcceptance(kFALSE);
 288   // allow to skip layer if no cluster and no bad
 289   param->SetAllowProlongationWithEmptyRoad(kFALSE);
 290
 291
 292   param->fMaxSnp = 0.95;
 293
 294   param->fNSigmaYLayerForRoadY = 4.;
 295   param->fNSigmaRoadY = 7.5;
 296   param->fNSigmaZLayerForRoadZ = 4.;
 297   param->fNSigmaRoadZ = 7.5;
 298
 299   param->fNSigma2RoadZC = 60.; //7.75^2
 300   param->fNSigma2RoadYC = 60.; //7.75^2
 301   param->fNSigma2RoadZNonC = 50.; //7.07^2
 302   param->fNSigma2RoadYNonC = 50.; //7.07^2
 303
 304   param->fMaxChi2PerCluster[0] = 11.; //7
 305   param->fMaxChi2PerCluster[1] = 12.; //5
 306   param->fMaxChi2PerCluster[2] = 12.; //8
 307   param->fMaxChi2PerCluster[3] = 5.;  //8
 308   param->fMaxChi2PerCluster[4] = 12.; //6.5
 309
 310   param->fMaxNormChi2NonC[0] = 7.;
 311   param->fMaxNormChi2NonC[1] = 8.;
 312   param->fMaxNormChi2NonC[2] = 8.;
 313   param->fMaxNormChi2NonC[3] = 11.;
 314   param->fMaxNormChi2NonC[4] = 14.;
 315   param->fMaxNormChi2NonC[5] = 25.;
 316
 317   param->fMaxNormChi2C[0] = 11.;
 318   param->fMaxNormChi2C[1] = 13.;
 319   param->fMaxNormChi2C[2] = 15.;
 320   param->fMaxNormChi2C[3] = 18.;
 321   param->fMaxNormChi2C[4] = 30.;
 322   param->fMaxNormChi2C[5] = 35.;
 323
 324   param->fMaxNormChi2NonCForHypothesis = 7.;
 325
 326   param->fMaxChi2 = 35.;
 327
 328   param->fMaxChi2s[0] = 25.; //40
 329   param->fMaxChi2s[1] = 25.; //40
 330   param->fMaxChi2s[2] = 25.; //40
 331   param->fMaxChi2s[3] = 25.; //40
 332   param->fMaxChi2s[4] = 40.; //40
 333   param->fMaxChi2s[5] = 50.; //40
 334
 335   param->fMaxRoad = 6.;
 336
 337   // not used
 338   param->fMaxChi2In = 16.;
 339
 340   param->fMaxChi2sR[0] = 10.;
 341   param->fMaxChi2sR[1] = 10.;
 342   param->fMaxChi2sR[2] = 10.;
 343   param->fMaxChi2sR[3] = 10.;
 344   param->fMaxChi2sR[4] = 30.;
 345   param->fMaxChi2sR[5] = 40.;
 346
 347   param->fChi2PerCluster = 9.;
 348   // not used
 349
 350   param->fXV = 0.;
 351   param->fYV = 0.;
 352   param->fZV = 0.;
 353   param->fSigmaXV = 0.0050;
 354   param->fSigmaYV = 0.0050;
 355   param->fSigmaZV = 0.0100;
 356
 357   param->fVertexCut = 25.;
 358
 359   param->fMaxDZforPrimTrk = 0.4;
 360   param->fMaxDZToUseConstraint = 3.;
 361
 362   param->fMaxDforV0dghtrForProlongation = 30.;
 363   param->fMaxDForProlongation = 40.;//10.;
 364   param->fMaxDZForProlongation = 60.;//20.;
 365   param->fMinPtForProlongation = 0.120;
 366
 367   param->fZWindowDeadZone = 2.0;
 368   param->fSigmaXDeadZoneHit2 = 0.004/12.;
 369   param->fSigmaZDeadZoneHit2 = 0.001/12.;
 370   param->fXPassDeadZoneHits = 0.018;
 371
 372
 373
 374   return param;
 375 }
 376 //_____________________________________________________________________________
 377 AliITSRecoParam *AliITSRecoParam::GetLowFluxParam()
 378 {
 379   //
 380   // make default reconstruction  parameters for low  flux env.
 381   //
 382   AliITSRecoParam *param = new AliITSRecoParam();
 383   param->SetVertexer3DDefaults();
 384
 385   // full use of bads from OCDB
 386   param->SetUseBadZonesFromOCDB(kTRUE);
 387   param->SetUseSingleBadChannelsFromOCDB(kTRUE);
 388   // extended eta acceptance
 389   param->SetExtendedEtaAcceptance(kTRUE);
 390   // allow to skip layer if no cluster and no bad
 391   param->SetAllowProlongationWithEmptyRoad(kTRUE);
 392
 393
 394   param->fMaxSnp = 0.95;
 395
 396   param->fNSigmaYLayerForRoadY = 4.;
 397   param->fNSigmaRoadY = 7.5;
 398   param->fNSigmaZLayerForRoadZ = 4.;
 399   param->fNSigmaRoadZ = 7.5;
 400
 401   param->fNSigma2RoadZC = 60.; //7.75^2
 402   param->fNSigma2RoadYC = 60.; //7.75^2
 403   param->fNSigma2RoadZNonC = 50.; //7.07^2
 404   param->fNSigma2RoadYNonC = 50.; //7.07^2
 405
 406   param->fMaxChi2PerCluster[0] = 11.; //7
 407   param->fMaxChi2PerCluster[1] = 12.; //5
 408   param->fMaxChi2PerCluster[2] = 12.; //8
 409   param->fMaxChi2PerCluster[3] = 5.;  //8
 410   param->fMaxChi2PerCluster[4] = 12.; //6.5
 411
 412   param->fMaxNormChi2NonC[0] = 7.;
 413   param->fMaxNormChi2NonC[1] = 8.;
 414   param->fMaxNormChi2NonC[2] = 8.;
 415   param->fMaxNormChi2NonC[3] = 11.;
 416   param->fMaxNormChi2NonC[4] = 14.;
 417   param->fMaxNormChi2NonC[5] = 25.;
 418
 419   param->fMaxNormChi2C[0] = 11.;
 420   param->fMaxNormChi2C[1] = 13.;
 421   param->fMaxNormChi2C[2] = 15.;
 422   param->fMaxNormChi2C[3] = 18.;
 423   param->fMaxNormChi2C[4] = 30.;
 424   param->fMaxNormChi2C[5] = 35.;
 425
 426   param->fMaxNormChi2NonCForHypothesis = 7.;
 427
 428   param->fMaxChi2 = 35.;
 429
 430   param->fMaxChi2s[0] = 25.; //40
 431   param->fMaxChi2s[1] = 25.; //40
 432   param->fMaxChi2s[2] = 25.; //40
 433   param->fMaxChi2s[3] = 25.; //40
 434   param->fMaxChi2s[4] = 40.; //40
 435   param->fMaxChi2s[5] = 50.; //40
 436
 437   param->fMaxRoad = 6.;
 438
 439   // not used
 440   param->fMaxChi2In = 16.;
 441
 442   param->fMaxChi2sR[0] = 10.;
 443   param->fMaxChi2sR[1] = 10.;
 444   param->fMaxChi2sR[2] = 10.;
 445   param->fMaxChi2sR[3] = 10.;
 446   param->fMaxChi2sR[4] = 30.;
 447   param->fMaxChi2sR[5] = 40.;
 448
 449   param->fChi2PerCluster = 9.;
 450   // not used
 451
 452   param->fXV = 0.;
 453   param->fYV = 0.;
 454   param->fZV = 0.;
 455   param->fSigmaXV = 0.0050;
 456   param->fSigmaYV = 0.0050;
 457   param->fSigmaZV = 0.0100;
 458
 459   param->fVertexCut = 25.;
 460
 461   param->fMaxDZforPrimTrk = 0.4;
 462   param->fMaxDZToUseConstraint = 3.;
 463
 464   param->fMaxDforV0dghtrForProlongation = 30.;
 465   param->fMaxDForProlongation = 40.;//10.;
 466   param->fMaxDZForProlongation = 60.;//20.;
 467   param->fMinPtForProlongation = 0.120;
 468
 469   param->fZWindowDeadZone = 2.0;
 470   param->fSigmaXDeadZoneHit2 = 0.004/12.;
 471   param->fSigmaZDeadZoneHit2 = 0.001/12.;
 472   param->fXPassDeadZoneHits = 0.018;
 473   param->SetNLoopsSA(20);
 474   param->fMaxPhiSA = 0.07;
 475   param->fMaxLambdaSA = 0.04;
 476
 477
 478   param->GetESDV0Params()->SetMinRTgl0(0.5);
 479   param->GetESDV0Params()->SetMaxDist(1.5);
 480   param->GetESDV0Params()->SetMaxDcaLh0(1.5);
 481   param->GetESDV0Params()->SetMaxRBestConst(80);
 482   param->GetESDV0Params()->SetMinPABestConst(0.99);
 483   param->GetESDV0Params()->SetMinNormDistForbTgl0(1.);
 484   param->GetESDV0Params()->SetMinNormDistForb1(2.);
 485   param->GetESDV0Params()->SetLikelihood01Cut(0.3);
 486   param->GetESDV0Params()->SetLikelihood1Cut(0.35);
 487   param->GetESDV0Params()->SetCombinedCut(0.4);
 488
 489
 490
 491   return param;
 492 }
 493 //_____________________________________________________________________________
 494 AliITSRecoParam *AliITSRecoParam::GetCosmicTestParam()
 495 {
 496   //
 497   // make default reconstruction  parameters for cosmics
 498   //
 499   AliITSRecoParam *param = new AliITSRecoParam();
 500
 501   // vertexer for cosmics
 502   param->SetVertexer(2);
 503
 504   param->SetClusterErrorsParam(2);
 505   param->SetFindV0s(kFALSE);
 506   param->SetAddVirtualClustersInDeadZone(kFALSE);
 507   param->SetUseAmplitudeInfo(kFALSE);
 508
 509   // full use of bads from OCDB
 510   param->SetUseBadZonesFromOCDB(kTRUE);
 511   param->SetUseSingleBadChannelsFromOCDB(kTRUE);
 512
 513   // find independently ITS SA tracks
 514   param->SetSAUseAllClusters();
 515   param->SetOuterStartLayerSA(AliITSgeomTGeo::GetNLayers()-2);
 516
 517   //****** COSMICS 2009 (same as COSMICS 2008) *********************
 518
 519   // to maximize efficiency
 520   param->SetAllowProlongationWithEmptyRoad();
 521
 522   // larger seach windows for SA (in case of large misalignments)
 523   param->SetNLoopsSA(33);
 524   param->SetFactorSAWindowSizes(20);
 525
 526   // additional error due to misal (B off)
 527   param->SetClusterMisalErrorY(1.0,1.0,1.0,1.0,1.0,1.0); // [cm]
 528   param->SetClusterMisalErrorZ(1.0,1.0,1.0,1.0,1.0,1.0); // [cm]
 529   // additional error due to misal (B on)
 530   param->SetClusterMisalErrorYBOn(0.0,0.0,0.1,0.1,0.1,0.1); // [cm]
 531   param->SetClusterMisalErrorZBOn(0.1,0.1,0.1,0.1,0.1,0.1); // [cm]
 532
 533
 534   // SDD configuration
 535   param->fUseSDDCorrectionMaps = kFALSE;
 536   param->fUseSDDClusterSizeSelection=kTRUE;
 537   param->fMinClusterChargeSDD=30.;
 538
 539
 540   // alignment data filter
 541   param->SetAlignFilterCosmics(kTRUE);
 542   param->SetAlignFilterCosmicMergeTracks(kTRUE);
 543   param->SetAlignFilterMinITSPoints(1);
 544   param->SetAlignFilterMinITSPointsMerged(3);
 545   param->SetAlignFilterOnlyITSSATracks(kTRUE);
 546   param->SetAlignFilterOnlyITSTPCTracks(kFALSE);
 547   param->SetAlignFilterSkipExtra(kFALSE);
 548   param->SetAlignFilterMaxMatchingAngle(0.085/*5deg*/);
 549   param->SetAlignFilterMinPt(0.2);
 550   param->SetAlignFilterMaxPt(1.e10);
 551   param->SetAlignFilterFillQANtuples(kTRUE);
 552
 553   //******************************************************************
 554
 555   param->fMaxSnp = 0.95;
 556
 557   param->fNSigmaYLayerForRoadY = 4.;
 558   param->fNSigmaRoadY = 7.5;
 559   param->fNSigmaZLayerForRoadZ = 4.;
 560   param->fNSigmaRoadZ = 7.5;
 561
 562   param->fNSigma2RoadZC = 60.; //7.75^2
 563   param->fNSigma2RoadYC = 60.; //7.75^2
 564   param->fNSigma2RoadZNonC = 50.; //7.07^2
 565   param->fNSigma2RoadYNonC = 50.; //7.07^2
 566
 567   param->fMaxChi2PerCluster[0] = 11.; //7
 568   param->fMaxChi2PerCluster[1] = 12.; //5
 569   param->fMaxChi2PerCluster[2] = 12.; //8
 570   param->fMaxChi2PerCluster[3] = 5.;  //8
 571   param->fMaxChi2PerCluster[4] = 12.; //6.5
 572
 573   param->fMaxNormChi2NonC[0] = 7.;
 574   param->fMaxNormChi2NonC[1] = 8.;
 575   param->fMaxNormChi2NonC[2] = 8.;
 576   param->fMaxNormChi2NonC[3] = 11.;
 577   param->fMaxNormChi2NonC[4] = 14.;
 578   param->fMaxNormChi2NonC[5] = 25.;
 579
 580   param->fMaxNormChi2C[0] = 11.;
 581   param->fMaxNormChi2C[1] = 13.;
 582   param->fMaxNormChi2C[2] = 15.;
 583   param->fMaxNormChi2C[3] = 18.;
 584   param->fMaxNormChi2C[4] = 30.;
 585   param->fMaxNormChi2C[5] = 35.;
 586
 587   param->fMaxNormChi2NonCForHypothesis = 7.;
 588
 589   param->fMaxChi2 = 35.;
 590
 591   param->fMaxChi2s[0] = 25.; //40
 592   param->fMaxChi2s[1] = 25.; //40
 593   param->fMaxChi2s[2] = 25.; //40
 594   param->fMaxChi2s[3] = 25.; //40
 595   param->fMaxChi2s[4] = 40.; //40
 596   param->fMaxChi2s[5] = 50.; //40
 597
 598   param->fMaxRoad = 6.;
 599
 600   // not used
 601   param->fMaxChi2In = 16.;
 602
 603   param->fMaxChi2sR[0] = 10.;
 604   param->fMaxChi2sR[1] = 10.;
 605   param->fMaxChi2sR[2] = 10.;
 606   param->fMaxChi2sR[3] = 10.;
 607   param->fMaxChi2sR[4] = 30.;
 608   param->fMaxChi2sR[5] = 40.;
 609
 610   param->fChi2PerCluster = 9.;
 611   // not used
 612
 613   param->fXV = 0.;
 614   param->fYV = 0.;
 615   param->fZV = 0.;
 616   param->fSigmaXV = 0.0050;
 617   param->fSigmaYV = 0.0050;
 618   param->fSigmaZV = 0.0100;
 619
 620   param->fVertexCut = 25.;
 621
 622   param->fMaxDZforPrimTrk = 0.4;
 623   param->fMaxDZToUseConstraint = 3.;
 624
 625   param->fMaxDforV0dghtrForProlongation = 30.;
 626   param->fMaxDForProlongation = 10.;
 627   param->fMaxDZForProlongation = 20.;
 628   param->fMinPtForProlongation = 0.120;
 629
 630   param->fZWindowDeadZone = 2.0;
 631   param->fSigmaXDeadZoneHit2 = 0.004/12.;
 632   param->fSigmaZDeadZoneHit2 = 0.001/12.;
 633   param->fXPassDeadZoneHits = 0.018;
 634
 635   return param;
 636 }
 637 //_____________________________________________________________________________
 638 AliITSRecoParam *AliITSRecoParam::GetPlaneEffParam(Int_t i)
 639 {
 640   //
 641   // make special reconstruction parameters for Plane Efficiency study on layer i (0,5)
 642   //
 643   // if i=-1, then the evaluation for both pixel layers is tried with the tracklet method
 644   //
 645  if (i<-1 || i>=AliITSgeomTGeo::kNLayers) {
 646     printf("AliITSRecoParam::GetPlaneEffParam: index of ITS Plane nor in the range [0,5] neither =-1\n");
 647     printf("returning null pointer");
 648     return NULL;
 649   }
 650   if(i>=0) {  // Method using tracks (remove given plane from tracking)
 651     AliITSRecoParam *param;
 652     param = GetHighFluxParam();
 653     param->SetComputePlaneEff();
 654     param->SetLayerToSkip(i);
 655     param->SetIPlanePlaneEff(i);
 656     // optimized setting for SPD0 (i==0)
 657     if (i==0 || i==1) {
 658       param->fMinPtPlaneEff = 0.200; // high pt particles
 659       param->fMaxMissingClustersPlaneEff = 1; // at most 1 layer out of 5 without cluster
 660       param->fRequireClusterInOuterLayerPlaneEff = kTRUE; // cluster on SPD1 must be
 661       //param->fOnlyConstraintPlaneEff = kTRUE;
 662     }
 663     if (i==2 || i==3) {
 664       param->fMinPtPlaneEff = 0.200; // high pt particles
 665       param->fMaxMissingClustersPlaneEff = 1; // at most 1 layer out of 5 without cluster
 666       param->fRequireClusterInOuterLayerPlaneEff = kTRUE;
 667       //param->fOnlyConstraintPlaneEff = kTRUE;
 668     }
 669     if (i==4) {
 670       param->fMinPtPlaneEff = 0.200; // high pt particles
 671       param->fMaxMissingClustersPlaneEff = 0; // at most 1 layer out of 5 without cluster
 672       param->fRequireClusterInOuterLayerPlaneEff = kTRUE;
 673       //param->fOnlyConstraintPlaneEff = kTRUE;
 674     }
 675     if (i==5) {
 676       param->fMinPtPlaneEff = 0.200; // high pt particles
 677     }
 678     //
 679     return param;
 680   }
 681   else if (i==-1) { // Method using tracklets
 682     AliITSRecoParam *param;
 683     param = GetLowFluxParam();
 684     param->SetIPlanePlaneEff(i);
 685     param->SetComputePlaneEff(kTRUE,kFALSE);
 686     param->SetUseTrackletsPlaneEff(kTRUE);
 687     param->SetTrackleterPhiWindowL2(0.07);
 688     param->SetTrackleterZetaWindowL2(0.4);
 689     param->SetTrackleterPhiWindowL1(0.10);
 690     param->SetTrackleterZetaWindowL1(0.6);
 691     param->SetUpdateOncePerEventPlaneEff(kTRUE);
 692     param->SetMinContVtxPlaneEff(3);
 693     return param;
 694   }
 695   else {
 696     AliErrorGeneral("AliITSRecoParam",Form("Unrecognised value of i %d\n",i));
 697     return 0;
 698   }
 699 }
 700 //_____________________________________________________________________________
 701 void AliITSRecoParam::SetLayersParameters()
 702 {
 703   //
 704   // number of layers and layers spatial resolutions
 705   //
 706
 707   // spatial resolutions of the detectors
 708   // y: 12 12 38 38 20 20 micron
 709   fSigmaY2[0]=1.44e-6;
 710   fSigmaY2[1]=1.44e-6;
 711   fSigmaY2[2]=1.444e-5;
 712   fSigmaY2[3]=1.444e-5;
 713   fSigmaY2[4]=4.0e-6;
 714   fSigmaY2[5]=4.0e-6;
 715   // z: 120 120 28 28 830 830 micron
 716   fSigmaZ2[0]=1.44e-4;
 717   fSigmaZ2[1]=1.44e-4;
 718   fSigmaZ2[2]=7.84e-6;
 719   fSigmaZ2[3]=7.84e-6;
 720   fSigmaZ2[4]=6.889e-3;
 721   fSigmaZ2[5]=6.889e-3;
 722
 723   return;
 724 }
 725 //_____________________________________________________________________________
 726 void AliITSRecoParam::PrintParameters() const
 727 {
 728   //
 729   // print parameters
 730   //
 731
 732   printf("=============================  AliITSRecoParam::PrintParameters ");
 733   printf("============================= \n\n");
 734   for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) {
 735     if(!fLayersToSkip[i]) {
 736       printf("ITS Traking: using layer %d\n",i);
 737     } else {
 738       printf("ITS Traking: skipping layer %d\n",i);
 739     }
 740   }
 741   for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) {
 742     if(fUseAmplitudeInfo[i]) {
 743       printf("ITS Traking: use amplitude info for layer %d\n",i);
 744     } else {
 745       printf("ITS Traking: don't use amplitude info for layer %d\n",i);
 746     }
 747   }
 748   for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++)
 749     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]);
 750
 751
 752   Dump();
 753
 754   return;
 755 }
 756