CORRFW/AliCFParticleGenCuts.cxx

   1 /**************************************************************************
   2  * Copyright(c) 1998-1999, 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 ////////////////////////////////////////////////////////////////////////////
  17 //          ----   CORRECTION FRAMEWORK   ----
  18 // class AliCFParticleGenCuts implementation
  19 // Using this class a user may define selections relative to
  20 // MC particle (AliMCParticle) using generation-level information.
  21 ////////////////////////////////////////////////////////////////////////////
  22 // author : R. Vernet (renaud.vernet@cern.ch)
  23 ////////////////////////////////////////////////////////////////////////////
  24
  25 #include "AliLog.h"
  26 #include "AliCFParticleGenCuts.h"
  27 #include "TParticle.h"
  28 #include "TParticlePDG.h"
  29 #include "AliMCEvent.h"
  30 #include "TObject.h"
  31 #include "AliStack.h"
  32 #include "TH1F.h"
  33 #include "TH2F.h"
  34 #include "TBits.h"
  35 #include "TList.h"
  36 #include "TArrayF.h"
  37 #include "TDecayChannel.h"
  38 #include "AliAODMCParticle.h"
  39 #include "AliAODEvent.h"
  40
  41 ClassImp(AliCFParticleGenCuts)
  42
  43 //______________________________
  44 AliCFParticleGenCuts::AliCFParticleGenCuts() :
  45   AliCFCutBase(),
  46   fIsAODMC(0),
  47   fMCInfo(0x0),
  48   fRequireIsCharged(0),
  49   fRequireIsNeutral(0),
  50   fRequireIsPrimary(0),
  51   fRequireIsSecondary(0),
  52   fRequirePdgCode(0),
  53   fRequireAbsolutePdg(0),
  54   fProdVtxRange2D(0),
  55   fPdgCode(0),
  56   fProdVtxXMin (-1.e+09),
  57   fProdVtxYMin (-1.e+09),
  58   fProdVtxZMin (-1.e+09),
  59   fProdVtxXMax ( 1.e+09),
  60   fProdVtxYMax ( 1.e+09),
  61   fProdVtxZMax ( 1.e+09),
  62   fDecayVtxXMin(-1.e+09),
  63   fDecayVtxYMin(-1.e+09),
  64   fDecayVtxZMin(-1.e+09),
  65   fDecayVtxXMax( 1.e+09),
  66   fDecayVtxYMax( 1.e+09),
  67   fDecayVtxZMax( 1.e+09),
  68   fDecayLengthMin(-1.),
  69   fDecayLengthMax(1.e+09),
  70   fDecayRxyMin(-1),
  71   fDecayRxyMax(1.e+09),
  72   fDecayChannel(0x0),
  73   fhCutStatistics(0x0),
  74   fhCutCorrelation(0x0),
  75   fCutValues(new TArrayF(kNCuts)),
  76   fBitmap(new TBits(0))
  77 {
  78   //
  79   //ctor
  80   //
  81   for (int i=0; i<kNCuts; i++)
  82     for (int j=0; j<kNStepQA; j++)
  83       fhQA[i][j]=0x0;
  84
  85   for (int j=0; j<kNStepQA; j++)
  86     fhProdVtxXY[j]=0x0;
  87 }
  88
  89 //______________________________
  90 AliCFParticleGenCuts::AliCFParticleGenCuts(const Char_t* name, const Char_t* title) :
  91   AliCFCutBase(name,title),
  92   fIsAODMC(0),
  93   fMCInfo(0x0),
  94   fRequireIsCharged(0),
  95   fRequireIsNeutral(0),
  96   fRequireIsPrimary(0),
  97   fRequireIsSecondary(0),
  98   fRequirePdgCode(0),
  99   fRequireAbsolutePdg(0),
 100   fProdVtxRange2D(0),
 101   fPdgCode(0),
 102   fProdVtxXMin (-1.e+09),
 103   fProdVtxYMin (-1.e+09),
 104   fProdVtxZMin (-1.e+09),
 105   fProdVtxXMax ( 1.e+09),
 106   fProdVtxYMax ( 1.e+09),
 107   fProdVtxZMax ( 1.e+09),
 108   fDecayVtxXMin(-1.e+09),
 109   fDecayVtxYMin(-1.e+09),
 110   fDecayVtxZMin(-1.e+09),
 111   fDecayVtxXMax( 1.e+09),
 112   fDecayVtxYMax( 1.e+09),
 113   fDecayVtxZMax( 1.e+09),
 114   fDecayLengthMin(-1.),
 115   fDecayLengthMax(1.e+09),
 116   fDecayRxyMin(-1.),
 117   fDecayRxyMax(1.e+09),
 118   fDecayChannel(0x0),
 119   fhCutStatistics(0x0),
 120   fhCutCorrelation(0x0),
 121   fCutValues(new TArrayF(kNCuts)),
 122   fBitmap(new TBits(0))
 123 {
 124   //
 125   //ctor
 126   //
 127   for (int i=0; i<kNCuts; i++)
 128     for (int j=0; j<kNStepQA; j++)
 129       fhQA[i][j]=0x0;
 130
 131   for (int j=0; j<kNStepQA; j++)
 132     fhProdVtxXY[j]=0x0;
 133 }
 134
 135 //______________________________
 136 AliCFParticleGenCuts::AliCFParticleGenCuts(const AliCFParticleGenCuts& c) :
 137   AliCFCutBase(c),
 138   fIsAODMC(c.fIsAODMC),
 139   fMCInfo(c.fMCInfo),
 140   fRequireIsCharged(c.fRequireIsCharged),
 141   fRequireIsNeutral(c.fRequireIsNeutral),
 142   fRequireIsPrimary(c.fRequireIsPrimary),
 143   fRequireIsSecondary(c.fRequireIsSecondary),
 144   fRequirePdgCode(c.fRequirePdgCode),
 145   fRequireAbsolutePdg(c.fRequireAbsolutePdg),
 146   fProdVtxRange2D(c.fProdVtxRange2D),
 147   fPdgCode(c.fPdgCode),
 148   fProdVtxXMin (c.fProdVtxXMin),
 149   fProdVtxYMin (c.fProdVtxYMin),
 150   fProdVtxZMin (c.fProdVtxZMin),
 151   fProdVtxXMax (c.fProdVtxXMax),
 152   fProdVtxYMax (c.fProdVtxYMax),
 153   fProdVtxZMax (c.fProdVtxZMax),
 154   fDecayVtxXMin(c.fDecayVtxXMin),
 155   fDecayVtxYMin(c.fDecayVtxYMin),
 156   fDecayVtxZMin(c.fDecayVtxZMin),
 157   fDecayVtxXMax(c.fDecayVtxXMax),
 158   fDecayVtxYMax(c.fDecayVtxYMax),
 159   fDecayVtxZMax(c.fDecayVtxZMax),
 160   fDecayLengthMin(c.fDecayLengthMin),
 161   fDecayLengthMax(c.fDecayLengthMin),
 162   fDecayRxyMin(c.fDecayLengthMin),
 163   fDecayRxyMax(c.fDecayLengthMin),
 164   fDecayChannel(c.fDecayChannel),
 165   fhCutStatistics(new TH1F(*c.fhCutStatistics)),
 166   fhCutCorrelation(new TH2F(*c.fhCutCorrelation)),
 167   fCutValues(new TArrayF(*c.fCutValues)),
 168   fBitmap(new TBits(*c.fBitmap))
 169 {
 170   //
 171   //copy ctor
 172   //
 173   for (int i=0; i<kNCuts; i++)
 174     for (int j=0; j<kNStepQA; j++)
 175       fhQA[i][j]=(TH1F*)c.fhQA[i][j]->Clone();
 176
 177   for (int j=0; j<kNStepQA; j++)
 178     fhProdVtxXY[j]=(TH2F*)c.fhProdVtxXY[j]->Clone();
 179 }
 180
 181 //______________________________
 182 AliCFParticleGenCuts& AliCFParticleGenCuts::operator=(const AliCFParticleGenCuts& c)
 183 {
 184   //
 185   // Assignment operator
 186   //
 187   if (this != &c) {
 188     AliCFCutBase::operator=(c) ;
 189     fIsAODMC=c.fIsAODMC;
 190     fMCInfo=c.fMCInfo;
 191     fRequireIsCharged=c.fRequireIsCharged;
 192     fRequireIsNeutral=c.fRequireIsNeutral;
 193     fRequireIsPrimary=c.fRequireIsPrimary;
 194     fRequireIsSecondary=c.fRequireIsSecondary;
 195     fRequirePdgCode=c.fRequirePdgCode;
 196     fRequireAbsolutePdg=c.fRequireAbsolutePdg;
 197     fProdVtxRange2D=c.fProdVtxRange2D;
 198     fPdgCode=c.fPdgCode;
 199     fProdVtxXMin=c.fProdVtxXMin;
 200     fProdVtxYMin=c.fProdVtxYMin;
 201     fProdVtxZMin=c.fProdVtxZMin;
 202     fProdVtxXMax=c.fProdVtxXMax;
 203     fProdVtxYMax=c.fProdVtxYMax;
 204     fProdVtxZMax=c.fProdVtxZMax;
 205     fDecayVtxXMin=c.fDecayVtxXMin;
 206     fDecayVtxYMin=c.fDecayVtxYMin;
 207     fDecayVtxZMin=c.fDecayVtxZMin;
 208     fDecayVtxXMax=c.fDecayVtxXMax;
 209     fDecayVtxYMax=c.fDecayVtxYMax;
 210     fDecayVtxZMax=c.fDecayVtxZMax;
 211     fDecayLengthMin=c.fDecayVtxZMax;
 212     fDecayLengthMax=c.fDecayLengthMax;
 213     fDecayRxyMin=c.fDecayRxyMin;
 214     fDecayRxyMax=c.fDecayRxyMax;
 215     fDecayChannel=c.fDecayChannel;
 216     fCutValues=new TArrayF(*c.fCutValues);
 217     fBitmap=new TBits(*c.fBitmap);
 218
 219     if (fhCutStatistics)  fhCutStatistics =new TH1F(*c.fhCutStatistics) ;
 220     if (fhCutCorrelation) fhCutCorrelation=new TH2F(*c.fhCutCorrelation);
 221
 222     for (int i=0; i<kNCuts; i++)
 223       for (int j=0; j<kNStepQA; j++)
 224         fhQA[i][j]=(TH1F*)c.fhQA[i][j]->Clone();
 225
 226     for (int j=0; j<kNStepQA; j++)
 227         fhProdVtxXY[j]=(TH2F*)c.fhProdVtxXY[j]->Clone();
 228   }
 229   return *this ;
 230 }
 231
 232 //______________________________
 233 Bool_t AliCFParticleGenCuts::IsSelected(TObject* obj) {
 234   //
 235   // check if selections on 'obj' are passed
 236   // 'obj' must be an AliMCParticle
 237   //
 238
 239   if (!obj) return kFALSE ;
 240
 241   if (!fIsAODMC) SelectionBitMap((AliMCParticle*)   obj);
 242   else           SelectionBitMap((AliAODMCParticle*)obj);
 243
 244   if (fIsQAOn) FillHistograms(obj,0);
 245
 246   for (UInt_t icut=0; icut<fBitmap->GetNbits();icut++)
 247     if (!fBitmap->TestBitNumber(icut)) return kFALSE ;
 248
 249   if (fIsQAOn) FillHistograms(obj,1);
 250   return kTRUE;
 251 }
 252
 253 //__________________________________________________________________________________
 254 void AliCFParticleGenCuts::SelectionBitMap(AliMCParticle* mcPart)
 255 {
 256   //
 257   // test if the track passes the single cuts
 258   // and store the information in a bitmap
 259   //
 260
 261   for (UInt_t i=0; i<kNCuts; i++) {
 262     fBitmap->SetBitNumber(i,kFALSE);
 263     fCutValues->SetAt((Double32_t)0,i) ;
 264   }
 265
 266   // fill the cut array
 267   Double32_t partVx=(Double32_t)mcPart->Xv();
 268   Double32_t partVy=(Double32_t)mcPart->Yv();
 269   Double32_t partVz=(Double32_t)mcPart->Zv();
 270
 271   // calculate the production vertex ellipse
 272   Double32_t prodVtxXYmin = 0.;
 273   if (fProdVtxXMin>0 && fProdVtxYMin>0)
 274         prodVtxXYmin = partVx*partVx/(fProdVtxXMin*fProdVtxXMin) + partVy*partVy/(fProdVtxYMin*fProdVtxYMin);
 275   Double32_t prodVtxXYmax = 0.;
 276   if(fProdVtxXMax>0 && fProdVtxYMax>0)
 277         prodVtxXYmax = partVx*partVx/(fProdVtxXMax*fProdVtxXMax) + partVy*partVy/(fProdVtxYMax*fProdVtxYMax);
 278
 279   Double32_t decayVx=0.;
 280   Double32_t decayVy=0.;
 281   Double32_t decayVz=0.;
 282   Double32_t decayL=0.;
 283   Double32_t decayRxy=0.;
 284
 285   TParticle* part = mcPart->Particle();
 286   AliStack*  stack = ((AliMCEvent*)fMCInfo)->Stack();
 287   TParticle* daughter=0x0;
 288   if ( part->GetNDaughters() > 0 ) {
 289     daughter = stack->Particle(part->GetFirstDaughter()) ;
 290     decayVx=(Double32_t)daughter->Vx();
 291     decayVy=(Double32_t)daughter->Vy();
 292     decayVz=(Double32_t)daughter->Vz();
 293     decayL = TMath::Sqrt(TMath::Power(partVx-decayVx,2) +
 294                          TMath::Power(partVy-decayVy,2) +
 295                          TMath::Power(partVz-decayVz,2) ) ;
 296     decayRxy = TMath::Sqrt(TMath::Power(decayVx,2) + TMath::Power(decayVy,2) ) ;
 297   }
 298
 299   fCutValues->SetAt(partVx  ,kCutProdVtxXMin) ;
 300   fCutValues->SetAt(partVy  ,kCutProdVtxYMin) ;
 301   fCutValues->SetAt(partVz  ,kCutProdVtxZMin) ;
 302   fCutValues->SetAt(partVx  ,kCutProdVtxXMax) ;
 303   fCutValues->SetAt(partVy  ,kCutProdVtxYMax) ;
 304   fCutValues->SetAt(partVz  ,kCutProdVtxZMax) ;
 305   fCutValues->SetAt(decayVx ,kCutDecVtxXMin)  ;
 306   fCutValues->SetAt(decayVy ,kCutDecVtxYMin)  ;
 307   fCutValues->SetAt(decayVz ,kCutDecVtxZMin)  ;
 308   fCutValues->SetAt(decayVx ,kCutDecVtxXMax)  ;
 309   fCutValues->SetAt(decayVy ,kCutDecVtxYMax)  ;
 310   fCutValues->SetAt(decayVz ,kCutDecVtxZMax)  ;
 311   fCutValues->SetAt(decayL  ,kCutDecLgthMin)  ;
 312   fCutValues->SetAt(decayL  ,kCutDecLgthMax)  ;
 313   fCutValues->SetAt(decayRxy,kCutDecRxyMin)   ;
 314   fCutValues->SetAt(decayRxy,kCutDecRxyMax)   ;
 315
 316   // cut on charge
 317   if ( fRequireIsCharged || fRequireIsNeutral ) {
 318     if (fRequireIsCharged &&  IsCharged(mcPart)) fCutValues->SetAt((Double32_t)kTRUE,kCutCharge) ;
 319     if (fRequireIsNeutral && !IsCharged(mcPart)) fCutValues->SetAt((Double32_t)kTRUE,kCutCharge) ;
 320   }
 321   else fCutValues->SetAt((Double32_t)kTRUE,kCutCharge) ;
 322
 323   // cut on primary/secondary
 324   if ( fRequireIsPrimary || fRequireIsSecondary) {
 325     if (fRequireIsPrimary   &&  IsPrimary(mcPart)) fCutValues->SetAt((Double32_t)kTRUE,kCutPrimSec);
 326     if (fRequireIsSecondary && !IsPrimary(mcPart)) fCutValues->SetAt((Double32_t)kTRUE,kCutPrimSec);
 327   }
 328   else fCutValues->SetAt((Double32_t)kTRUE,kCutPrimSec);
 329
 330   // cut on PDG code
 331   if ( fRequirePdgCode ) {
 332     if (IsA(mcPart,fPdgCode,fRequireAbsolutePdg)) fCutValues->SetAt((Double32_t)kTRUE,kCutPDGCode);
 333   }
 334   else fCutValues->SetAt((Double32_t)kTRUE,kCutPDGCode);
 335
 336   // cut on decay channel
 337   if ( fDecayChannel ) {
 338     Bool_t goodDecay = kTRUE ;
 339     Short_t nDaughters = mcPart->Particle()->GetNDaughters() ;
 340     if (nDaughters != fDecayChannel->NDaughters()) goodDecay = kFALSE ;
 341     //now number of daughters is OK
 342     if (goodDecay) {
 343       // now check if decay channel is respected
 344       // first try
 345       for (Int_t iDaughter = 0; iDaughter<nDaughters; iDaughter++) {
 346         TParticle* daug = stack->Particle(mcPart->Particle()->GetDaughter(iDaughter)) ;
 347         if (daug->GetPdgCode() != fDecayChannel->DaughterPdgCode(iDaughter)) {goodDecay = kFALSE; break;}
 348       }
 349       if (!goodDecay) {
 350         //second try inverting the order of the daughters
 351         goodDecay = kTRUE ;
 352         for (Int_t iDaughter = 0; iDaughter<nDaughters; iDaughter++) {
 353           TParticle* daug = stack->Particle(mcPart->Particle()->GetDaughter(nDaughters-(iDaughter+1))) ;
 354           if (daug->GetPdgCode() != fDecayChannel->DaughterPdgCode(iDaughter)) {goodDecay = kFALSE; break;}
 355         }
 356       }
 357       if (!goodDecay && fRequireAbsolutePdg) {
 358         //now tries inverting the sign of the daughters in case the anti-particle is also looked at
 359         // third try
 360         goodDecay = kTRUE ;
 361         for (Int_t iDaughter = 0; iDaughter<nDaughters; iDaughter++) {
 362           TParticle* daug = stack->Particle(mcPart->Particle()->GetDaughter(iDaughter)) ;
 363           if (daug->GetPdgCode() != -fDecayChannel->DaughterPdgCode(iDaughter)) {goodDecay = kFALSE; break;}
 364         }
 365         if (!goodDecay) {
 366           //fourth try inverting the order of the daughters
 367           goodDecay = kTRUE ;
 368           for (Int_t iDaughter = 0; iDaughter<nDaughters; iDaughter++) {
 369             TParticle* daug = stack->Particle(mcPart->Particle()->GetDaughter(nDaughters-(iDaughter+1))) ;
 370             if (daug->GetPdgCode() != -fDecayChannel->DaughterPdgCode(iDaughter)) {goodDecay = kFALSE; break;}
 371           }
 372         }
 373       } //end check anti-particle
 374     } //end # daughters OK
 375     fCutValues->SetAt((Double32_t)goodDecay,kCutDecayChannel) ;
 376   } //end require decay channel
 377   else fCutValues->SetAt((Double32_t)kTRUE,kCutDecayChannel);
 378
 379
 380   // now array of cut is build, fill the bitmap consequently
 381   Int_t iCutBit = -1;
 382   if ( fCutValues->At(++iCutBit) !=0 )              fBitmap->SetBitNumber(iCutBit,kTRUE);
 383   if ( fCutValues->At(++iCutBit) !=0 )              fBitmap->SetBitNumber(iCutBit,kTRUE);
 384   if ( fCutValues->At(++iCutBit) !=0 )              fBitmap->SetBitNumber(iCutBit,kTRUE);
 385
 386   ++iCutBit;
 387   if ( (!fProdVtxRange2D && fCutValues->At(iCutBit) > fProdVtxXMin)
 388     || ( fProdVtxRange2D && (fProdVtxXMin>0 && fProdVtxYMin>0) && prodVtxXYmin >= 1)
 389     || ( fProdVtxRange2D && (fProdVtxXMin<=0 || fProdVtxYMin<=0) ) )
 390    fBitmap->SetBitNumber(iCutBit,kTRUE);
 391
 392   ++iCutBit;
 393   if ( (!fProdVtxRange2D && fCutValues->At(iCutBit) < fProdVtxXMax)
 394     || ( fProdVtxRange2D && (fProdVtxXMax>0 && fProdVtxYMax>0) && prodVtxXYmax <= 1)
 395     || ( fProdVtxRange2D && (fProdVtxXMax<=0 || fProdVtxYMax<=0) ) )
 396   fBitmap->SetBitNumber(iCutBit,kTRUE);
 397
 398   ++iCutBit;
 399   if ( (!fProdVtxRange2D && fCutValues->At(iCutBit) > fProdVtxYMin)
 400     || ( fProdVtxRange2D &&  (fProdVtxXMin>0 && fProdVtxYMin>0) && prodVtxXYmin >= 1)
 401     || ( fProdVtxRange2D &&  (fProdVtxXMin<=0 || fProdVtxYMin<=0) ) )
 402   fBitmap->SetBitNumber(iCutBit,kTRUE);
 403
 404   ++iCutBit;
 405   if ( (!fProdVtxRange2D && fCutValues->At(iCutBit) < fProdVtxYMax)
 406     || ( fProdVtxRange2D && (fProdVtxXMax>0 && fProdVtxYMax>0) && prodVtxXYmax <= 1)
 407     || ( fProdVtxRange2D && (fProdVtxXMax<=0 || fProdVtxYMax<=0) ) )
 408   fBitmap->SetBitNumber(iCutBit,kTRUE);
 409
 410   if ( fCutValues->At(++iCutBit) > fProdVtxZMin)    fBitmap->SetBitNumber(iCutBit,kTRUE);
 411   if ( fCutValues->At(++iCutBit) < fProdVtxZMax)    fBitmap->SetBitNumber(iCutBit,kTRUE);
 412   if ( fCutValues->At(++iCutBit) > fDecayVtxXMin)   fBitmap->SetBitNumber(iCutBit,kTRUE);
 413   if ( fCutValues->At(++iCutBit) < fDecayVtxXMax)   fBitmap->SetBitNumber(iCutBit,kTRUE);
 414   if ( fCutValues->At(++iCutBit) > fDecayVtxYMin)   fBitmap->SetBitNumber(iCutBit,kTRUE);
 415   if ( fCutValues->At(++iCutBit) < fDecayVtxYMax)   fBitmap->SetBitNumber(iCutBit,kTRUE);
 416   if ( fCutValues->At(++iCutBit) > fDecayVtxZMin)   fBitmap->SetBitNumber(iCutBit,kTRUE);
 417   if ( fCutValues->At(++iCutBit) < fDecayVtxZMax)   fBitmap->SetBitNumber(iCutBit,kTRUE);
 418   if ( fCutValues->At(++iCutBit) > fDecayLengthMin) fBitmap->SetBitNumber(iCutBit,kTRUE);
 419   if ( fCutValues->At(++iCutBit) < fDecayLengthMax) fBitmap->SetBitNumber(iCutBit,kTRUE);
 420   if ( fCutValues->At(++iCutBit) > fDecayRxyMin)    fBitmap->SetBitNumber(iCutBit,kTRUE);
 421   if ( fCutValues->At(++iCutBit) < fDecayRxyMax)    fBitmap->SetBitNumber(iCutBit,kTRUE);
 422   if ( fCutValues->At(++iCutBit) != 0 )             fBitmap->SetBitNumber(iCutBit,kTRUE);
 423 }
 424
 425 //__________________________________________________________________________________
 426 void AliCFParticleGenCuts::SelectionBitMap(AliAODMCParticle* mcPart)
 427 {
 428   //
 429   // test if the track passes the single cuts
 430   // and store the information in a bitmap
 431   //
 432
 433   for (UInt_t i=0; i<kNCuts; i++) {
 434     fBitmap->SetBitNumber(i,kFALSE);
 435     fCutValues->SetAt((Double32_t)0,i) ;
 436   }
 437
 438   // fill the cut array
 439   Double32_t partVx=(Double32_t)mcPart->Xv();
 440   Double32_t partVy=(Double32_t)mcPart->Yv();
 441   Double32_t partVz=(Double32_t)mcPart->Zv();
 442
 443   // calculate the production vertex ellipse
 444   Double32_t prodVtxXYmin = 0.;
 445   if (fProdVtxXMin!=0 && fProdVtxYMin!=0)
 446         prodVtxXYmin = partVx*partVx/(fProdVtxXMin*fProdVtxXMin) + partVy*partVy/(fProdVtxYMin*fProdVtxYMin);
 447   Double32_t prodVtxXYmax = 0.;
 448   if(fProdVtxXMax!=0 && fProdVtxYMax!=0)
 449         prodVtxXYmax = partVx*partVx/(fProdVtxXMax*fProdVtxXMax) + partVy*partVy/(fProdVtxYMax*fProdVtxYMax);
 450
 451   Double32_t decayVx=0.;
 452   Double32_t decayVy=0.;
 453   Double32_t decayVz=0.;
 454   Double32_t decayL=0.;
 455   Double32_t decayRxy=0.;
 456
 457   AliAODEvent* aod = dynamic_cast<AliAODEvent*>(fMCInfo);
 458   TClonesArray* mcArray = dynamic_cast<TClonesArray*>(aod->FindListObject(AliAODMCParticle::StdBranchName()));
 459   AliAODMCParticle* daughter = 0x0 ;
 460
 461   if (mcPart->GetDaughter(0)>0) {
 462     daughter = dynamic_cast<AliAODMCParticle*>(mcArray->At(mcPart->GetDaughter(0)));
 463
 464     decayVx=(Double32_t)daughter->Xv();
 465     decayVy=(Double32_t)daughter->Yv();
 466     decayVz=(Double32_t)daughter->Zv();
 467     decayL = TMath::Sqrt(TMath::Power(partVx-decayVx,2) +
 468                          TMath::Power(partVy-decayVy,2) +
 469                          TMath::Power(partVz-decayVz,2) ) ;
 470     decayRxy = TMath::Sqrt(TMath::Power(decayVx,2) + TMath::Power(decayVy,2) ) ;
 471
 472   }
 473
 474   fCutValues->SetAt(partVx  ,kCutProdVtxXMin) ;
 475   fCutValues->SetAt(partVy  ,kCutProdVtxYMin) ;
 476   fCutValues->SetAt(partVz  ,kCutProdVtxZMin) ;
 477   fCutValues->SetAt(partVx  ,kCutProdVtxXMax) ;
 478   fCutValues->SetAt(partVy  ,kCutProdVtxYMax) ;
 479   fCutValues->SetAt(partVz  ,kCutProdVtxZMax) ;
 480   fCutValues->SetAt(decayVx ,kCutDecVtxXMin)  ;
 481   fCutValues->SetAt(decayVy ,kCutDecVtxYMin)  ;
 482   fCutValues->SetAt(decayVz ,kCutDecVtxZMin)  ;
 483   fCutValues->SetAt(decayVx ,kCutDecVtxXMax)  ;
 484   fCutValues->SetAt(decayVy ,kCutDecVtxYMax)  ;
 485   fCutValues->SetAt(decayVz ,kCutDecVtxZMax)  ;
 486   fCutValues->SetAt(decayL  ,kCutDecLgthMin)  ;
 487   fCutValues->SetAt(decayL  ,kCutDecLgthMax)  ;
 488   fCutValues->SetAt(decayRxy,kCutDecRxyMin)   ;
 489   fCutValues->SetAt(decayRxy,kCutDecRxyMax)   ;
 490
 491   // cut on charge
 492   if ( fRequireIsCharged || fRequireIsNeutral ) {
 493     if (fRequireIsCharged &&  IsCharged(mcPart)) fCutValues->SetAt((Double32_t)kTRUE,kCutCharge) ;
 494     if (fRequireIsNeutral && !IsCharged(mcPart)) fCutValues->SetAt((Double32_t)kTRUE,kCutCharge) ;
 495   }
 496   else fCutValues->SetAt((Double32_t)kTRUE,kCutCharge) ;
 497
 498   // cut on primary/secondary
 499   if ( fRequireIsPrimary || fRequireIsSecondary) {
 500     if (fRequireIsPrimary   &&  IsPrimary(mcPart)) fCutValues->SetAt((Double32_t)kTRUE,kCutPrimSec);
 501     if (fRequireIsSecondary && !IsPrimary(mcPart)) fCutValues->SetAt((Double32_t)kTRUE,kCutPrimSec);
 502   }
 503   else fCutValues->SetAt((Double32_t)kTRUE,kCutPrimSec);
 504
 505   // cut on PDG code
 506   if ( fRequirePdgCode ) {
 507     if (IsA(mcPart,fPdgCode,fRequireAbsolutePdg)) fCutValues->SetAt((Double32_t)kTRUE,kCutPDGCode);
 508   }
 509   else fCutValues->SetAt((Double32_t)kTRUE,kCutPDGCode);
 510
 511   // cut on decay channel
 512   if ( fDecayChannel ) {
 513     Bool_t goodDecay = kTRUE ;
 514     Short_t nDaughters = 0 ;
 515     if (mcPart->GetDaughter(0) >=0) nDaughters = 1 + mcPart->GetDaughter(1) - mcPart->GetDaughter(0);
 516
 517     if (nDaughters != fDecayChannel->NDaughters()) goodDecay = kFALSE ;
 518     if (goodDecay) {
 519       // now check if decay channel is respected
 520       // first try
 521       for (Int_t iDaughter = 0 ; iDaughter<nDaughters; iDaughter++) {
 522         AliAODMCParticle* daug = dynamic_cast<AliAODMCParticle*>(mcArray->At(mcPart->GetDaughter(0)+iDaughter));
 523         if (daug->GetPdgCode() != fDecayChannel->DaughterPdgCode(iDaughter)) {goodDecay = kFALSE; break;}
 524       }
 525       if (!goodDecay) {
 526         //second try inverting the order of the daughters
 527         goodDecay = kTRUE ;
 528         for (Int_t iDaughter = 0 ; iDaughter<nDaughters; iDaughter++) {
 529           AliAODMCParticle* daug = dynamic_cast<AliAODMCParticle*>(mcArray->At(mcPart->GetDaughter(1)-iDaughter));
 530           if (daug->GetPdgCode() != fDecayChannel->DaughterPdgCode(iDaughter)) {goodDecay = kFALSE; break;}
 531         }
 532       }
 533     }
 534     fCutValues->SetAt((Double32_t)goodDecay,kCutDecayChannel) ;
 535   }
 536   else fCutValues->SetAt((Double32_t)kTRUE,kCutDecayChannel);
 537
 538
 539   // now array of cut is build, fill the bitmap consequently
 540   Int_t iCutBit = -1;
 541   if ( fCutValues->At(++iCutBit) !=0 )              fBitmap->SetBitNumber(iCutBit,kTRUE);
 542   if ( fCutValues->At(++iCutBit) !=0 )              fBitmap->SetBitNumber(iCutBit,kTRUE);
 543   if ( fCutValues->At(++iCutBit) !=0 )              fBitmap->SetBitNumber(iCutBit,kTRUE);
 544
 545   ++iCutBit;
 546   if ( (!fProdVtxRange2D && fCutValues->At(iCutBit) > fProdVtxXMin)
 547     || ( fProdVtxRange2D && prodVtxXYmin >= 1))     fBitmap->SetBitNumber(iCutBit,kTRUE);
 548
 549   ++iCutBit;
 550   if ( (!fProdVtxRange2D && fCutValues->At(iCutBit) < fProdVtxXMax)
 551     || ( fProdVtxRange2D && prodVtxXYmax <= 1))     fBitmap->SetBitNumber(iCutBit,kTRUE);
 552
 553   ++iCutBit;
 554   if ( (!fProdVtxRange2D && fCutValues->At(iCutBit) > fProdVtxYMin)
 555     || ( fProdVtxRange2D && prodVtxXYmin >= 1))     fBitmap->SetBitNumber(iCutBit,kTRUE);
 556
 557   ++iCutBit;
 558   if ( (!fProdVtxRange2D && fCutValues->At(iCutBit) < fProdVtxYMax)
 559     || ( fProdVtxRange2D && prodVtxXYmax <= 1))     fBitmap->SetBitNumber(iCutBit,kTRUE);
 560
 561   if ( fCutValues->At(++iCutBit) > fProdVtxZMin)    fBitmap->SetBitNumber(iCutBit,kTRUE);
 562   if ( fCutValues->At(++iCutBit) < fProdVtxZMax)    fBitmap->SetBitNumber(iCutBit,kTRUE);
 563   if ( fCutValues->At(++iCutBit) > fDecayVtxXMin)   fBitmap->SetBitNumber(iCutBit,kTRUE);
 564   if ( fCutValues->At(++iCutBit) < fDecayVtxXMax)   fBitmap->SetBitNumber(iCutBit,kTRUE);
 565   if ( fCutValues->At(++iCutBit) > fDecayVtxYMin)   fBitmap->SetBitNumber(iCutBit,kTRUE);
 566   if ( fCutValues->At(++iCutBit) < fDecayVtxYMax)   fBitmap->SetBitNumber(iCutBit,kTRUE);
 567   if ( fCutValues->At(++iCutBit) > fDecayVtxZMin)   fBitmap->SetBitNumber(iCutBit,kTRUE);
 568   if ( fCutValues->At(++iCutBit) < fDecayVtxZMax)   fBitmap->SetBitNumber(iCutBit,kTRUE);
 569   if ( fCutValues->At(++iCutBit) > fDecayLengthMin) fBitmap->SetBitNumber(iCutBit,kTRUE);
 570   if ( fCutValues->At(++iCutBit) < fDecayLengthMax) fBitmap->SetBitNumber(iCutBit,kTRUE);
 571   if ( fCutValues->At(++iCutBit) > fDecayRxyMin)    fBitmap->SetBitNumber(iCutBit,kTRUE);
 572   if ( fCutValues->At(++iCutBit) < fDecayRxyMax)    fBitmap->SetBitNumber(iCutBit,kTRUE);
 573   if ( fCutValues->At(++iCutBit) != 0 )             fBitmap->SetBitNumber(iCutBit,kTRUE);
 574 }
 575
 576
 577 //__________________________________________________________________________________
 578 void AliCFParticleGenCuts::FillHistograms(TObject* /*obj*/, Bool_t afterCuts)
 579 {
 580   //
 581   // fill the QA histograms
 582   //
 583
 584   for (int iCutNumber = 0; iCutNumber < kNCuts; iCutNumber++)
 585     fhQA[iCutNumber][afterCuts]->Fill(fCutValues->At(iCutNumber));
 586
 587   fhProdVtxXY[afterCuts]->Fill(fCutValues->At(4),fCutValues->At(5));
 588
 589   // fill cut statistics and cut correlation histograms with information from the bitmap
 590   if (afterCuts) return;
 591
 592   // Number of single cuts in this class
 593   UInt_t ncuts = fBitmap->GetNbits();
 594   for(UInt_t bit=0; bit<ncuts;bit++) {
 595     if (!fBitmap->TestBitNumber(bit)) {
 596       fhCutStatistics->Fill(bit+1);
 597       for (UInt_t bit2=bit; bit2<ncuts;bit2++) {
 598         if (!fBitmap->TestBitNumber(bit2))
 599           fhCutCorrelation->Fill(bit+1,bit2+1);
 600       }
 601     }
 602   }
 603 }
 604
 605 //__________________________________________________________________________________
 606 void AliCFParticleGenCuts::AddQAHistograms(TList *qaList) {
 607   //
 608   // saves the histograms in a TList
 609   //
 610
 611   DefineHistograms();
 612
 613   qaList->Add(fhCutStatistics);
 614   qaList->Add(fhCutCorrelation);
 615
 616   for (Int_t j=0; j<kNStepQA; j++) {
 617     qaList->Add(fhProdVtxXY[j]);
 618     for(Int_t i=0; i<kNCuts; i++)
 619       qaList->Add(fhQA[i][j]);
 620   }
 621 }
 622
 623 //__________________________________________________________________________________
 624 void AliCFParticleGenCuts::DefineHistograms() {
 625   //
 626   // histograms for cut variables, cut statistics and cut correlations
 627   //
 628   Int_t color = 2;
 629
 630   // book cut statistics and cut correlation histograms
 631   fhCutStatistics = new TH1F(Form("%s_cut_statistics",GetName()),"",kNCuts,0.5,kNCuts+0.5);
 632   fhCutStatistics->SetLineWidth(2);
 633   int k = 1;
 634   fhCutStatistics->GetXaxis()->SetBinLabel(k,"charge")     ; k++;
 635   fhCutStatistics->GetXaxis()->SetBinLabel(k,"prim/sec")   ; k++;
 636   fhCutStatistics->GetXaxis()->SetBinLabel(k,"PDG")        ; k++;
 637   fhCutStatistics->GetXaxis()->SetBinLabel(k,"VtxXMin")    ; k++;
 638   fhCutStatistics->GetXaxis()->SetBinLabel(k,"VtxXMax")    ; k++;
 639   fhCutStatistics->GetXaxis()->SetBinLabel(k,"VtxYMin")    ; k++;
 640   fhCutStatistics->GetXaxis()->SetBinLabel(k,"VtxYMax")    ; k++;
 641   fhCutStatistics->GetXaxis()->SetBinLabel(k,"VtxZMin")    ; k++;
 642   fhCutStatistics->GetXaxis()->SetBinLabel(k,"DecZMax")    ; k++;
 643   fhCutStatistics->GetXaxis()->SetBinLabel(k,"DecXMin")    ; k++;
 644   fhCutStatistics->GetXaxis()->SetBinLabel(k,"DecXMax")    ; k++;
 645   fhCutStatistics->GetXaxis()->SetBinLabel(k,"DecYMin")    ; k++;
 646   fhCutStatistics->GetXaxis()->SetBinLabel(k,"DecYMax")    ; k++;
 647   fhCutStatistics->GetXaxis()->SetBinLabel(k,"DecZMin")    ; k++;
 648   fhCutStatistics->GetXaxis()->SetBinLabel(k,"DecZMax")    ; k++;
 649   fhCutStatistics->GetXaxis()->SetBinLabel(k,"DecLgthMin") ; k++;
 650   fhCutStatistics->GetXaxis()->SetBinLabel(k,"DecLgthMax") ; k++;
 651   fhCutStatistics->GetXaxis()->SetBinLabel(k,"DecRxyMin")  ; k++;
 652   fhCutStatistics->GetXaxis()->SetBinLabel(k,"DecRxyMax")  ; k++;
 653   fhCutStatistics->GetXaxis()->SetBinLabel(k,"DecChannel") ; k++;
 654
 655
 656   fhCutCorrelation = new TH2F(Form("%s_cut_correlation",GetName()),"",kNCuts,0.5,kNCuts+0.5,kNCuts,0.5,kNCuts+0.5);
 657   fhCutCorrelation->SetLineWidth(2);
 658   for (k=1; k<=kNCuts; k++) {
 659     fhCutCorrelation->GetXaxis()->SetBinLabel(k,fhCutStatistics->GetXaxis()->GetBinLabel(k));
 660     fhCutCorrelation->GetYaxis()->SetBinLabel(k,fhCutStatistics->GetXaxis()->GetBinLabel(k));
 661   }
 662
 663   Char_t str[256];
 664   for (int i=0; i<kNStepQA; i++) {
 665     if (i==0) sprintf(str," ");
 666     else sprintf(str,"_cut");
 667     fhQA[kCutCharge]      [i] = new TH1F(Form("%s_charge%s"      ,GetName(),str),"",2,0,2);
 668     fhQA[kCutPrimSec]     [i] = new TH1F(Form("%s_primSec%s"     ,GetName(),str),"",2,0,2);
 669     fhQA[kCutPDGCode]     [i] = new TH1F(Form("%s_pdgCode%s"     ,GetName(),str),"",2,0,2);
 670     fhQA[kCutProdVtxXMin] [i] = new TH1F(Form("%s_prodVtxXMin%s" ,GetName(),str),"",100,-10,10);
 671     fhQA[kCutProdVtxXMax] [i] = new TH1F(Form("%s_prodVtxXMax%s" ,GetName(),str),"",100,-10,10);
 672     fhQA[kCutProdVtxYMin] [i] = new TH1F(Form("%s_prodVtxYMin%s" ,GetName(),str),"",100,-10,10);
 673     fhQA[kCutProdVtxYMax] [i] = new TH1F(Form("%s_prodVtxYMax%s" ,GetName(),str),"",100,-10,10);
 674     fhQA[kCutProdVtxZMin] [i] = new TH1F(Form("%s_prodVtxZMin%s" ,GetName(),str),"",100,-10,10);
 675     fhQA[kCutProdVtxZMax] [i] = new TH1F(Form("%s_prodVtxZMax%s" ,GetName(),str),"",100,-10,10);
 676     fhQA[kCutDecVtxXMin]  [i] = new TH1F(Form("%s_decVtxXMin%s"  ,GetName(),str),"",100,0,10);
 677     fhQA[kCutDecVtxXMax]  [i] = new TH1F(Form("%s_decVtxXMax%s"  ,GetName(),str),"",100,0,10);
 678     fhQA[kCutDecVtxYMin]  [i] = new TH1F(Form("%s_decVtxYMin%s"  ,GetName(),str),"",100,0,10);
 679     fhQA[kCutDecVtxYMax]  [i] = new TH1F(Form("%s_decVtxYMax%s"  ,GetName(),str),"",100,0,10);
 680     fhQA[kCutDecVtxZMin]  [i] = new TH1F(Form("%s_decVtxZMin%s"  ,GetName(),str),"",100,0,10);
 681     fhQA[kCutDecVtxZMax]  [i] = new TH1F(Form("%s_decVtxZMax%s"  ,GetName(),str),"",100,0,10);
 682     fhQA[kCutDecLgthMin]  [i] = new TH1F(Form("%s_decLengthMin%s",GetName(),str),"",100,0,10);
 683     fhQA[kCutDecLgthMax]  [i] = new TH1F(Form("%s_decLengthMax%s",GetName(),str),"",100,0,10);
 684     fhQA[kCutDecRxyMin]   [i] = new TH1F(Form("%s_decRxyMin%s"   ,GetName(),str),"",100,0,10);
 685     fhQA[kCutDecRxyMax]   [i] = new TH1F(Form("%s_decRxyMax%s"   ,GetName(),str),"",100,0,10);
 686     fhQA[kCutDecayChannel][i] = new TH1F(Form("%s_decayChannel%s",GetName(),str),"",2,0,2);
 687     fhProdVtxXY           [i] = new TH2F(Form("%s_prodVtxXY%s"   ,GetName(),str),"",100,0,10,100,0,10);
 688     fhProdVtxXY           [i] ->GetXaxis()->SetTitle("x_{production vertex}");
 689     fhProdVtxXY           [i] ->GetYaxis()->SetTitle("y_{production vertex}");
 690     fhQA[kCutProdVtxXMax] [i] ->GetXaxis()->SetTitle("x_{production vertex}");
 691     fhQA[kCutProdVtxYMax] [i] ->GetXaxis()->SetTitle("y_{production vertex}");
 692   }
 693   for(Int_t i=0; i<kNCuts; i++) fhQA[i][1]->SetLineColor(color);
 694 }
 695
 696
 697 //______________________________
 698 Bool_t AliCFParticleGenCuts::IsCharged(AliVParticle *mcPart) {
 699   //
 700   //check if particle is charged.
 701   //
 702   if (mcPart->Charge()==0) return kFALSE;
 703   return kTRUE;
 704 }
 705 //______________________________
 706 Bool_t AliCFParticleGenCuts::IsPrimary(AliMCParticle *mcPart) {
 707   //
 708   //check if particle is primary (standard definition)
 709   //
 710
 711   AliStack* stack = ((AliMCEvent*)fMCInfo)->Stack();
 712
 713   if (!stack->IsPhysicalPrimary(mcPart->GetLabel())) return kFALSE;
 714   return kTRUE;
 715 }
 716 //______________________________
 717 Bool_t AliCFParticleGenCuts::IsPrimary(AliAODMCParticle *mcPart) {
 718   //
 719   //check if particle is primary (standard definition)
 720   //
 721
 722   if (!mcPart->IsPhysicalPrimary()) return kFALSE;
 723   return kTRUE;
 724 }
 725 //______________________________
 726 Bool_t AliCFParticleGenCuts::IsPrimaryCharged(AliVParticle *mcPart) {
 727   //
 728   //check if a charged particle is primary (standard definition)
 729   //
 730
 731   if (!fIsAODMC) {
 732     if (!IsPrimary((AliMCParticle*)mcPart) || !IsCharged(mcPart)) return kFALSE ;
 733   }
 734   else {
 735     if (!IsPrimary((AliAODMCParticle*)mcPart) || !IsCharged(mcPart)) return kFALSE ;
 736   }
 737   return kTRUE;
 738 }
 739 //______________________________
 740 Bool_t AliCFParticleGenCuts::IsA(AliMCParticle *mcPart, Int_t pdg, Bool_t abs) {
 741   //
 742   //Check on the pdg code of the MC particle. if abs=kTRUE then check on the
 743   //absolute value.
 744   //
 745   TParticle* part = mcPart->Particle();
 746   Int_t pdgCode = part->GetPdgCode();
 747
 748   if (abs) {
 749     pdgCode = TMath::Abs(pdgCode);
 750     pdg = TMath::Abs(pdg);
 751   }
 752   if (pdgCode != pdg ) return kFALSE;
 753   return kTRUE;
 754 }
 755 //______________________________
 756 Bool_t AliCFParticleGenCuts::IsA(AliAODMCParticle *mcPart, Int_t pdg, Bool_t abs) {
 757   //
 758   //Check on the pdg code of the MC particle. if abs=kTRUE then check on the
 759   //absolute value.
 760   //
 761   Int_t pdgCode = mcPart->GetPdgCode();
 762
 763   if (abs) {
 764     pdgCode = TMath::Abs(pdgCode);
 765     pdg = TMath::Abs(pdg);
 766   }
 767   if (pdgCode != pdg ) return kFALSE;
 768   return kTRUE;
 769 }
 770 //______________________________
 771 void AliCFParticleGenCuts::SetMCEventInfo(const TObject* mcEvent) {
 772   //
 773   // Sets pointer to MC event information (AliMCEvent)
 774   //
 775
 776   if (!mcEvent) {
 777     AliError("Pointer to MC Event is null !");
 778     return;
 779   }
 780
 781   TString className(mcEvent->ClassName());
 782   if (className.CompareTo("AliMCEvent") != 0 && className.CompareTo("AliAODEvent") != 0) {
 783     AliError("argument must point to an AliMCEvent or an AliAODEvent !");
 784     return ;
 785   }
 786
 787   fMCInfo = (AliVEvent*)mcEvent ;
 788 }