#include "AliPrimaryPionSelector.h"
#include "AliPrimaryPionCuts.h"
#include "AliAODv0.h"
#include "AliESDv0.h"
#include "AliAODEvent.h"
#include "AliESDEvent.h"
#include "TVector.h"
#include "AliESDtrack.h"
#include "AliAnalysisManager.h"
#include "AliInputEventHandler.h"
#include "TChain.h"
#include "AliStack.h"
class iostream;
using namespace std;
ClassImp(AliPrimaryPionSelector)
AliPrimaryPionSelector::AliPrimaryPionSelector(const char *name) : AliAnalysisTaskSE(name),
fPionCuts(0),
fPosPionsIndex(),
fNegPionsIndex(),
fEventIsSelected(kFALSE)
{
DefineInput(0, TChain::Class());
}
AliPrimaryPionSelector::~AliPrimaryPionSelector()
{
}
void AliPrimaryPionSelector::Init()
{
if(fPionCuts == 0){
AliError("No Cut Selection initialized");
}
}
void AliPrimaryPionSelector::UserCreateOutputObjects()
{
}
void AliPrimaryPionSelector::UserExec(Option_t *){
fEventIsSelected=ProcessEvent(fInputEvent,fMCEvent);
}
Bool_t AliPrimaryPionSelector::ProcessEvent(AliVEvent *inputEvent,AliMCEvent *mcEvent)
{
fPosPionsIndex.clear();
fNegPionsIndex.clear();
fInputEvent=inputEvent;
fMCEvent=mcEvent;
if(!fInputEvent){
AliError("No Input event");
return kFALSE;
}
if(!fPionCuts){AliError("No ConversionCuts");return kFALSE;}
if(fInputEvent->IsA()==AliESDEvent::Class()){
ProcessESDs();
}
return kTRUE;
}
Bool_t AliPrimaryPionSelector::ProcessESDs(){
AliESDEvent *fESDEvent=dynamic_cast<AliESDEvent*>(fInputEvent);
if(fESDEvent){
for(Int_t currentTrackIndex=0;currentTrackIndex<fESDEvent->GetNumberOfTracks();currentTrackIndex++){
AliESDtrack *fCurrentTrack = (AliESDtrack*)(fESDEvent->GetTrack(currentTrackIndex));
if(!fCurrentTrack){
printf("Requested Track does not exist");
continue;
}
if ( fPionCuts->PionIsSelected( fCurrentTrack ) ) {
if( fCurrentTrack->GetSign() > 0.0 ){
fPosPionsIndex.push_back(currentTrackIndex);
} else {
fNegPionsIndex.push_back(currentTrackIndex);
}
}
}
}
return kTRUE;
}
void AliPrimaryPionSelector::Terminate(Option_t *)
{
}
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