message: added option to get pure particles in MCAODreco
  added option to get pure particles in MCAODreco
diff: @@ -1631,7 +1631,12 @@ void AliAnalysisTaskPIDBFDptDpt::UserExec(Option_t */*option*/)
  //cout << "step 2 Au-Au: arr: " << arr->GetEntriesFast() << endl;
  AliAODMCParticle * particle = ( AliAODMCParticle * ) arr -> At( TMath::Abs(lab) );
  //cout << "step 3 Au-Au: particle ID: " << particle -> GetPdgCode() << endl;
  - if ( TMath::Abs(particle->GetPdgCode()) != 211 ) continue;
  + if( particleSpecies == 0 )
  + { if( TMath::Abs( particle -> GetPdgCode() ) != 211 ) continue; }
  + else if( particleSpecies == 1 )
  + { if( TMath::Abs( particle -> GetPdgCode() ) != 321 ) continue; }
  + else if( particleSpecies == 2 )
  + { if( TMath::Abs( particle -> GetPdgCode() ) != 2212 ) continue; }
  //cout << "step 4 Au-Au: pion ID: " << particle -> GetPdgCode() << endl;
  }
  