PWGLF/RESONANCES/AliRsnMiniParticle.cxx

   1 //
   2 // This object is used as lightweight temporary container
   3 // of all information needed from any input object and
   4 // useful for resonance analysis.
   5 // Lists of such objects are stored in a buffer, in order
   6 // to allow an event mixing.
   7 //
   8
   9 #include "AliRsnDaughter.h"
  10 #include "AliRsnMiniParticle.h"
  11
  12 ClassImp(AliRsnMiniParticle)
  13
  14 //__________________________________________________________________________________________________
  15 void AliRsnMiniParticle::CopyDaughter(AliRsnDaughter *daughter)
  16 {
  17 //
  18 // Sets data members from the passed object
  19 //
  20
  21    // reset what could not be initialized
  22    fPDG = 0;
  23    fMother = -1;
  24    fMotherPDG = 0;
  25    fCutBits = 0x0;
  26    fPsim[0] = fPrec[0] = fPsim[1] = fPrec[1] = fPsim[2] = fPrec[2] = 0.0;
  27
  28    // charge
  29    if (daughter->IsPos())
  30       fCharge = '+';
  31    else if (daughter->IsNeg())
  32       fCharge = '-';
  33    else
  34       fCharge = '0';
  35
  36    // rec info
  37    if (daughter->GetRef()) {
  38       fPrec[0] = daughter->GetRef()->Px();
  39       fPrec[1] = daughter->GetRef()->Py();
  40       fPrec[2] = daughter->GetRef()->Pz();
  41    }
  42
  43    // MC info
  44    if (daughter->GetRefMC()) {
  45       fPsim[0] = daughter->GetRefMC()->Px();
  46       fPsim[1] = daughter->GetRefMC()->Py();
  47       fPsim[2] = daughter->GetRefMC()->Pz();
  48       fPDG = daughter->GetPDG();
  49       fMother = daughter->GetMother();
  50       fMotherPDG = daughter->GetMotherPDG();
  51    }
  52 }