+++ /dev/null
-/**************************************************************************
- * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
- * *
- * Author: Ana Marin, Kathrin Koch, Kenneth Aamodt, Svein Lindal *
- * Version 1.0 *
- * *
- * Permission to use, copy, modify and distribute this software and its *
- * documentation strictly for non-commercial purposes is hereby granted *
- * without fee, provided that the above copyright notice appears in all *
- * copies and that both the copyright notice and this permission notice *
- * appear in the supporting documentation. The authors make no claims *
- * about the suitability of this software for any purpose. It is *
- * provided "as is" without express or implied warranty. *
- **************************************************************************/
-
-////////////////////////////////////////////////
-//---------------------------------------------
-// Class containing the aod information we need
-//---------------------------------------------
-////////////////////////////////////////////////
-
-#include "AliGammaConversionAODObject.h"
-//#include "AliAODv0.h"
-#include "AliStack.h"
-#include "AliESDEvent.h"
-//#include "AliESDtrack.h"
-#include "TParticle.h"
-
-class AliAODv0;
-class AliESDtrack;
-
-using namespace std;
-
-ClassImp(AliGammaConversionAODObject)
-
-
-
-AliGammaConversionAODObject::AliGammaConversionAODObject() :
- TObject(),
- fPx(0),
- fPy(0),
- fPz(0),
- fE(0),
- fLabel1(-1),
- fLabel2(-1),
- fChi2(0),
- fIMass(0),
- fTagged(kFALSE),
- fMCStack(NULL),
- fESDEvent(NULL)
-{
- //Default constructor
-}
-
-
-AliGammaConversionAODObject::AliGammaConversionAODObject(const AliGammaConversionAODObject & original) :
- TObject(original),
- fPx(original.fPx),
- fPy(original.fPy),
- fPz(original.fPz),
- fE(original.fE),
- fLabel1(original.fLabel1),
- fLabel2(original.fLabel2),
- fChi2(original.fChi2),
- fIMass(original.fIMass),
- fTagged(original.fTagged),
- fMCStack(original.fMCStack),
- fESDEvent(original.fESDEvent)
-{
- //Copy constructor
-}
-
-
-AliGammaConversionAODObject & AliGammaConversionAODObject::operator = (const AliGammaConversionAODObject & /*source*/)
-{
- // assignment operator
- return *this;
-}
-
-Int_t AliGammaConversionAODObject::GetGammaMCLabel() const{
- // returns the MC label of the gamma (if both electrons have the same mother)
- Int_t iResult = -1;
- if(fMCStack != NULL){
- Int_t mcLabel1= GetElectronMCLabel1();
- Int_t mcLabel2= GetElectronMCLabel2();
- if(mcLabel1>=0 && mcLabel2>=0){
- TParticle *electron1 = fMCStack->Particle(mcLabel1);
- TParticle *electron2 = fMCStack->Particle(mcLabel2);
- if(electron1->GetMother(0) == electron2->GetMother(0)){
- iResult = electron1->GetMother(0);
- }
- }
- }
- return iResult;
-}
-
-Int_t AliGammaConversionAODObject::GetElectronUniqueID() const{
- // returns the unique id of the electrons if they have the same mother and unique id
- Int_t iResult = -1;
- if(fMCStack != NULL){
- Int_t mcLabel1= GetElectronMCLabel1();
- Int_t mcLabel2= GetElectronMCLabel2();
- if(mcLabel1>=0 && mcLabel2>=0){
- TParticle *electron1 = fMCStack->Particle(mcLabel1);
- TParticle *electron2 = fMCStack->Particle(mcLabel2);
- if(electron1->GetMother(0) == electron2->GetMother(0)){
- if(electron1->GetUniqueID() == electron2->GetUniqueID()){
- iResult = (Int_t)electron1->GetUniqueID();
- }
- }
- }
- }
- return iResult;
-}
-
-Int_t AliGammaConversionAODObject::GetElectronMCLabel1() const{
- //returns the MC label of the first electron
- Int_t iResult=-1;
- if(fESDEvent != NULL){
- if(fLabel1>=0){
- iResult = (fESDEvent->GetTrack(fLabel1))->GetLabel();
- }
- }
- return iResult;
-}
-
-Int_t AliGammaConversionAODObject::GetElectronMCLabel2() const{
- //returns the MC label of the first electron
- Int_t iResult=-1;
- if(fESDEvent != NULL){
- if(fLabel2>=0){
- iResult = (fESDEvent->GetTrack(fLabel2))->GetLabel();
- }
- }
- return iResult;
-}