--- /dev/null
+//-------------------------------------------------------------------------
+// Task for the Analysis Framework
+// Creates a PWG2 specific AOD, from the ESD adding information required
+// for PWG2 analysis.
+// - Puts the per-track information into the AliPWG2AODTrack container,
+// together with the link to the original AliAODTrack
+//
+// Author: Adam Kisiel, OSU, Adam.Kisiel@cern.ch
+//-------------------------------------------------------------------------
+#include <TChain.h>
+#include <TFile.h>
+#include <TList.h>
+
+#include "AliAnalysisTaskPWG2ESDfilter.h"
+#include "AliAnalysisManager.h"
+#include "AliESDEvent.h"
+#include "AliAODEvent.h"
+#include "AliESDInputHandler.h"
+#include "AliAODHandler.h"
+#include "AliAnalysisFilter.h"
+#include "AliESDtrack.h"
+#include "AliESDMuonTrack.h"
+#include "AliESDVertex.h"
+#include "AliESDv0.h"
+#include "AliESDkink.h"
+#include "AliESDcascade.h"
+#include "AliLog.h"
+#include "AliPWG2AODTrack.h"
+
+ClassImp(AliAnalysisTaskPWG2ESDfilter)
+
+////////////////////////////////////////////////////////////////////////
+
+AliAnalysisTaskPWG2ESDfilter::AliAnalysisTaskPWG2ESDfilter():
+ fDebug(0),
+ fTree(0x0),
+ fESD(0x0),
+ fAOD(0x0),
+ fTreeA(0x0),
+ fTrackFilter(0x0),
+ fKinkFilter(0x0),
+ fV0Filter(0x0),
+ fPWG2AODTracks(0x0)
+{
+ // Default constructor
+}
+
+AliAnalysisTaskPWG2ESDfilter::AliAnalysisTaskPWG2ESDfilter(const char* name):
+ AliAnalysisTask(name, "AnalysisTaskESDfilter"),
+ fDebug(0),
+ fTree(0x0),
+ fESD(0x0),
+ fAOD(0x0),
+ fTreeA(0x0),
+ fTrackFilter(0x0),
+ fKinkFilter(0x0),
+ fV0Filter(0x0),
+ fPWG2AODTracks(0x0)
+{
+ // Default constructor
+ DefineInput (0, TChain::Class());
+ DefineOutput(0, TTree::Class());
+}
+
+void AliAnalysisTaskPWG2ESDfilter::CreateOutputObjects()
+{
+// Create the output container
+ if (fDebug > 1) AliInfo("CreateOutPutData() \n");
+ AliAODHandler* handler = (AliAODHandler*) ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
+
+ fAOD = handler->GetAOD();
+ fTreeA = handler->GetTree();
+ fTreeA->GetUserInfo()->Add(fTrackFilter);
+
+ // *** PWG2 specific ***
+
+ fPWG2AODTracks = new TClonesArray("AliPWG2AODTrack", 0);
+ const char *name = "pwg2aodtracks";
+ fPWG2AODTracks->SetName(name);
+
+ fAOD->AddObject(fPWG2AODTracks);
+
+ TBranch *newBranch = fTreeA->Branch(name, &fPWG2AODTracks);
+ fTreeA->GetUserInfo()->Add(fPWG2AODTracks);
+
+ // --- END PWG2 specific ---
+}
+
+void AliAnalysisTaskPWG2ESDfilter::Init()
+{
+ // Initialization
+ if (fDebug > 1) AliInfo("Init() \n");
+ // Call configuration file
+}
+
+void AliAnalysisTaskPWG2ESDfilter::ConnectInputData(Option_t */*option*/)
+{
+// Connect the input data
+//
+ if (fDebug > 1) AliInfo("ConnectInputData() \n");
+ // Input
+ AliESDInputHandler* esdH = (AliESDInputHandler*)
+ ((AliAnalysisManager::GetAnalysisManager())->GetInputEventHandler());
+ fESD = (AliESDEvent*) esdH->GetEvent();
+ fTree = esdH->GetTree();
+}
+
+void AliAnalysisTaskPWG2ESDfilter::Exec(Option_t */*option*/)
+{
+// Execute analysis for current event
+//
+ // ESD Filter analysis task executed for each event
+ AliESD* old = fESD->GetAliESDOld();
+
+ Long64_t ientry = fTree->GetReadEntry();
+ printf("Filter: Analysing event # %5d\n", (Int_t) ientry);
+
+ // set arrays and pointers
+ Double_t pos[3];
+ Double_t p[3];
+ Double_t covVtx[6];
+ Double_t covTr[21];
+ Double_t pid[10];
+
+ for (Int_t i = 0; i < 6; i++) covVtx[i] = 0.;
+ for (Int_t i = 0; i < 21; i++) covTr [i] = 0.;
+
+ // *** PWG2 specific ***
+
+ Double_t tpcentrancepoint[3];
+ Double_t tpcexitpoint[3];
+ TBits sharemap;
+ TBits clustermap;
+
+ for (Int_t i = 0; i < 3; i++) { tpcentrancepoint[i] = 0.; tpcexitpoint[i] = 0; }
+
+ // --- END PWG2 specific ---
+
+
+ // loop over events and fill them
+
+ // Multiplicity information needed by the header (to be revised!)
+ Int_t nTracks = fESD->GetNumberOfTracks();
+ Int_t nPosTracks = 0;
+ for (Int_t iTrack = 0; iTrack < nTracks; ++iTrack)
+ if (fESD->GetTrack(iTrack)->GetSign()> 0) nPosTracks++;
+
+ // Update the header
+
+ AliAODHeader* header = fAOD->GetHeader();
+ header->SetRunNumber(fESD->GetRunNumber());
+ if (old) {
+ header->SetBunchCrossNumber(0);
+ header->SetOrbitNumber(0);
+ header->SetPeriodNumber(0);
+ header->SetEventType(0);
+ header->SetMuonMagFieldScale(-999.);
+ header->SetCentrality(-999.);
+ } else {
+ header->SetBunchCrossNumber(fESD->GetBunchCrossNumber());
+ header->SetOrbitNumber(fESD->GetOrbitNumber());
+ header->SetPeriodNumber(fESD->GetPeriodNumber());
+ header->SetEventType(fESD->GetEventType());
+ header->SetMuonMagFieldScale(-999.);
+ header->SetCentrality(-999.);
+ }
+
+ header->SetTriggerMask(fESD->GetTriggerMask());
+ header->SetTriggerCluster(fESD->GetTriggerCluster());
+ header->SetMagneticField(fESD->GetMagneticField());
+ header->SetZDCN1Energy(fESD->GetZDCN1Energy());
+ header->SetZDCP1Energy(fESD->GetZDCP1Energy());
+ header->SetZDCN2Energy(fESD->GetZDCN2Energy());
+ header->SetZDCP2Energy(fESD->GetZDCP2Energy());
+ header->SetZDCEMEnergy(fESD->GetZDCEMEnergy(0),fESD->GetZDCEMEnergy(1));
+ header->SetRefMultiplicity(nTracks);
+ header->SetRefMultiplicityPos(nPosTracks);
+ header->SetRefMultiplicityNeg(nTracks - nPosTracks);
+//
+//
+ Int_t nV0s = fESD->GetNumberOfV0s();
+ Int_t nCascades = fESD->GetNumberOfCascades();
+ Int_t nKinks = fESD->GetNumberOfKinks();
+ Int_t nVertices = nV0s + nCascades + nKinks + 1 /* = prim. vtx*/;
+ Int_t nJets = 0;
+ Int_t nCaloClus = fESD->GetNumberOfCaloClusters();
+ Int_t nFmdClus = 0;
+ Int_t nPmdClus = fESD->GetNumberOfPmdTracks();
+
+ printf(" NV0=%d NCASCADES=%d NKINKS=%d\n", nV0s, nCascades, nKinks);
+
+// fAOD->ResetStd(nTracks, nVertices, nV0s+nCascades, nJets, nCaloClus, nFmdClus, nPmdClus);
+
+ AliAODTrack *aodTrack;
+
+
+ // Array to take into account the tracks already added to the AOD
+ Bool_t * usedTrack = NULL;
+ if (nTracks>0) {
+ usedTrack = new Bool_t[nTracks];
+ for (Int_t iTrack=0; iTrack<nTracks; ++iTrack) usedTrack[iTrack]=kFALSE;
+ }
+ // Array to take into account the V0s already added to the AOD
+ Bool_t * usedV0 = NULL;
+ if (nV0s>0) {
+ usedV0 = new Bool_t[nV0s];
+ for (Int_t iV0=0; iV0<nV0s; ++iV0) usedV0[iV0]=kFALSE;
+ }
+ // Array to take into account the kinks already added to the AOD
+ Bool_t * usedKink = NULL;
+ if (nKinks>0) {
+ usedKink = new Bool_t[nKinks];
+ for (Int_t iKink=0; iKink<nKinks; ++iKink) usedKink[iKink]=kFALSE;
+ }
+
+ // Access to the AOD container of vertices
+ TClonesArray &vertices = *(fAOD->GetVertices());
+ Int_t jVertices=0;
+
+ // Access to the AOD container of tracks
+ TClonesArray &tracks = *(fAOD->GetTracks());
+ Int_t jTracks=0;
+ Int_t pTracks=0;
+
+ // Add primary vertex. The primary tracks will be defined
+ // after the loops on the composite objects (V0, cascades, kinks)
+ const AliESDVertex *vtx = fESD->GetPrimaryVertex();
+
+ vtx->GetXYZ(pos); // position
+ vtx->GetCovMatrix(covVtx); //covariance matrix
+
+ AliAODVertex * primary = new(vertices[jVertices++])
+ AliAODVertex(pos, covVtx, vtx->GetChi2toNDF(), NULL, AliAODVertex::kPrimary);
+ primary->Print();
+
+
+ // Create vertices starting from the most complex objects
+ Double_t chi2 = 0.;
+
+ // Cascades
+ for (Int_t nCascade = 0; nCascade < nCascades; ++nCascade) {
+ AliESDcascade *cascade = fESD->GetCascade(nCascade);
+
+ cascade->GetXYZ(pos[0], pos[1], pos[2]);
+
+ if (!old) {
+ chi2 = vtx->GetChi2toNDF();
+ cascade->GetPosCovXi(covVtx);
+ } else {
+ chi2 = -999.;
+ }
+ // Add the cascade vertex
+ AliAODVertex * vcascade = new(vertices[jVertices++]) AliAODVertex(pos,
+ covVtx,
+ chi2, // = chi2/NDF since NDF = 2*2-3 (AM)
+ primary,
+ AliAODVertex::kCascade);
+
+ primary->AddDaughter(vcascade);
+
+ // Add the V0 from the cascade. The ESD class have to be optimized...
+ // Now we have to search for the corresponding Vo in the list of V0s
+ // using the indeces of the positive and negative tracks
+
+ Int_t posFromV0 = cascade->GetPindex();
+ Int_t negFromV0 = cascade->GetNindex();
+
+
+ AliESDv0 * v0 = 0x0;
+ Int_t indV0 = -1;
+
+ for (Int_t iV0=0; iV0<nV0s; ++iV0) {
+
+ v0 = fESD->GetV0(iV0);
+ Int_t posV0 = v0->GetPindex();
+ Int_t negV0 = v0->GetNindex();
+
+ if (posV0==posFromV0 && negV0==negFromV0) {
+ indV0 = iV0;
+ break;
+ }
+ }
+
+ AliAODVertex * vV0FromCascade = 0x0;
+
+ if (indV0>-1 && !usedV0[indV0] ) {
+
+ // the V0 exists in the array of V0s and is not used
+
+ usedV0[indV0] = kTRUE;
+
+ v0->GetXYZ(pos[0], pos[1], pos[2]);
+ if (!old) {
+ chi2 = v0->GetChi2V0();
+ v0->GetPosCov(covVtx);
+ } else {
+ chi2 = -999.;
+ }
+
+ vV0FromCascade = new(vertices[jVertices++]) AliAODVertex(pos,
+ covVtx,
+ chi2, // = chi2/NDF since NDF = 2*2-3 (AM)
+ vcascade,
+ AliAODVertex::kV0);
+ } else {
+
+ // the V0 doesn't exist in the array of V0s or was used
+// cerr << "Error: event " << fESD->GetEventNumberInFile() << " cascade " << nCascade
+// << " The V0 " << indV0
+// << " doesn't exist in the array of V0s or was used!" << endl;
+
+ cascade->GetXYZ(pos[0], pos[1], pos[2]);
+
+ if (!old) {
+ chi2 = v0->GetChi2V0();
+ cascade->GetPosCov(covVtx);
+ } else {
+ chi2 = -999.;
+ }
+
+ vV0FromCascade = new(vertices[jVertices++]) AliAODVertex(pos,
+ covVtx,
+ chi2, // = chi2/NDF since NDF = 2*2-3 (AM)
+ vcascade,
+ AliAODVertex::kV0);
+ vcascade->AddDaughter(vV0FromCascade);
+ }
+
+ // Add the positive tracks from the V0
+
+ if (posFromV0>-1 && !usedTrack[posFromV0]) {
+
+ usedTrack[posFromV0] = kTRUE;
+
+ AliESDtrack *esdTrack = fESD->GetTrack(posFromV0);
+ esdTrack->GetPxPyPz(p);
+ esdTrack->GetXYZ(pos);
+ esdTrack->GetCovarianceXYZPxPyPz(covTr);
+ esdTrack->GetESDpid(pid);
+
+ vV0FromCascade->AddDaughter(aodTrack =
+ new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
+ esdTrack->GetLabel(),
+ p,
+ kTRUE,
+ pos,
+ kFALSE,
+ covTr,
+ (Short_t)esdTrack->GetSign(),
+ esdTrack->GetITSClusterMap(),
+ pid,
+ vV0FromCascade,
+ kTRUE, // check if this is right
+ kFALSE, // check if this is right
+ AliAODTrack::kSecondary)
+ );
+ aodTrack->ConvertAliPIDtoAODPID();
+ }
+ else {
+// cerr << "Error: event " << fESD->GetEventNumberInFile() << " cascade " << nCascade
+// << " track " << posFromV0 << " has already been used!" << endl;
+ }
+
+ // Add the negative tracks from the V0
+
+ if (negFromV0>-1 && !usedTrack[negFromV0]) {
+
+ usedTrack[negFromV0] = kTRUE;
+
+ AliESDtrack *esdTrack = fESD->GetTrack(negFromV0);
+ esdTrack->GetPxPyPz(p);
+ esdTrack->GetXYZ(pos);
+ esdTrack->GetCovarianceXYZPxPyPz(covTr);
+ esdTrack->GetESDpid(pid);
+
+ vV0FromCascade->AddDaughter(aodTrack =
+ new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
+ esdTrack->GetLabel(),
+ p,
+ kTRUE,
+ pos,
+ kFALSE,
+ covTr,
+ (Short_t)esdTrack->GetSign(),
+ esdTrack->GetITSClusterMap(),
+ pid,
+ vV0FromCascade,
+ kTRUE, // check if this is right
+ kFALSE, // check if this is right
+ AliAODTrack::kSecondary)
+ );
+ aodTrack->ConvertAliPIDtoAODPID();
+ }
+ else {
+// cerr << "Error: event " << fESD->GetEventNumberInFile() << " cascade " << nCascade
+// << " track " << negFromV0 << " has already been used!" << endl;
+ }
+
+ // Add the bachelor track from the cascade
+
+ Int_t bachelor = cascade->GetBindex();
+
+ if(bachelor>-1 && !usedTrack[bachelor]) {
+
+ usedTrack[bachelor] = kTRUE;
+
+ AliESDtrack *esdTrack = fESD->GetTrack(bachelor);
+ esdTrack->GetPxPyPz(p);
+ esdTrack->GetXYZ(pos);
+ esdTrack->GetCovarianceXYZPxPyPz(covTr);
+ esdTrack->GetESDpid(pid);
+
+ vcascade->AddDaughter(aodTrack =
+ new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
+ esdTrack->GetLabel(),
+ p,
+ kTRUE,
+ pos,
+ kFALSE,
+ covTr,
+ (Short_t)esdTrack->GetSign(),
+ esdTrack->GetITSClusterMap(),
+ pid,
+ vcascade,
+ kTRUE, // check if this is right
+ kFALSE, // check if this is right
+ AliAODTrack::kSecondary)
+ );
+ aodTrack->ConvertAliPIDtoAODPID();
+ }
+ else {
+// cerr << "Error: event " << fESD->GetEventNumberInFile() << " cascade " << nCascade
+// << " track " << bachelor << " has already been used!" << endl;
+ }
+
+ // Add the primary track of the cascade (if any)
+
+ } // end of the loop on cascades
+
+ // V0s
+
+ for (Int_t nV0 = 0; nV0 < nV0s; ++nV0) {
+
+ if (usedV0[nV0]) continue; // skip if aready added to the AOD
+
+ AliESDv0 *v0 = fESD->GetV0(nV0);
+
+ v0->GetXYZ(pos[0], pos[1], pos[2]);
+
+ if (!old) {
+ chi2 = v0->GetChi2V0();
+ v0->GetPosCov(covVtx);
+ } else {
+ chi2 = -999.;
+ }
+
+
+ AliAODVertex * vV0 =
+ new(vertices[jVertices++]) AliAODVertex(pos,
+ covVtx,
+ chi2, // = chi2/NDF since NDF = 2*2-3
+ primary,
+ AliAODVertex::kV0);
+ primary->AddDaughter(vV0);
+
+ Int_t posFromV0 = v0->GetPindex();
+ Int_t negFromV0 = v0->GetNindex();
+
+ // Add the positive tracks from the V0
+
+ if (posFromV0>-1 && !usedTrack[posFromV0]) {
+
+ usedTrack[posFromV0] = kTRUE;
+
+ AliESDtrack *esdTrack = fESD->GetTrack(posFromV0);
+ esdTrack->GetPxPyPz(p);
+ esdTrack->GetXYZ(pos);
+ esdTrack->GetCovarianceXYZPxPyPz(covTr);
+ esdTrack->GetESDpid(pid);
+
+ vV0->AddDaughter(aodTrack =
+ new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
+ esdTrack->GetLabel(),
+ p,
+ kTRUE,
+ pos,
+ kFALSE,
+ covTr,
+ (Short_t)esdTrack->GetSign(),
+ esdTrack->GetITSClusterMap(),
+ pid,
+ vV0,
+ kTRUE, // check if this is right
+ kFALSE, // check if this is right
+ AliAODTrack::kSecondary)
+ );
+ aodTrack->ConvertAliPIDtoAODPID();
+ }
+ else {
+// cerr << "Error: event " << fESD->GetEventNumberInFile() << " V0 " << nV0
+// << " track " << posFromV0 << " has already been used!" << endl;
+ }
+
+ // Add the negative tracks from the V0
+
+ if (negFromV0>-1 && !usedTrack[negFromV0]) {
+
+ usedTrack[negFromV0] = kTRUE;
+
+ AliESDtrack *esdTrack = fESD->GetTrack(negFromV0);
+ esdTrack->GetPxPyPz(p);
+ esdTrack->GetXYZ(pos);
+ esdTrack->GetCovarianceXYZPxPyPz(covTr);
+ esdTrack->GetESDpid(pid);
+
+ vV0->AddDaughter(aodTrack =
+ new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
+ esdTrack->GetLabel(),
+ p,
+ kTRUE,
+ pos,
+ kFALSE,
+ covTr,
+ (Short_t)esdTrack->GetSign(),
+ esdTrack->GetITSClusterMap(),
+ pid,
+ vV0,
+ kTRUE, // check if this is right
+ kFALSE, // check if this is right
+ AliAODTrack::kSecondary)
+ );
+ aodTrack->ConvertAliPIDtoAODPID();
+ }
+ else {
+// cerr << "Error: event " << fESD->GetEventNumberInFile() << " V0 " << nV0
+// << " track " << negFromV0 << " has already been used!" << endl;
+ }
+
+ } // end of the loop on V0s
+
+ // Kinks: it is a big mess the access to the information in the kinks
+ // The loop is on the tracks in order to find the mother and daugther of each kink
+
+
+ for (Int_t iTrack=0; iTrack<nTracks; ++iTrack) {
+
+
+ AliESDtrack * esdTrack = fESD->GetTrack(iTrack);
+
+ Int_t ikink = esdTrack->GetKinkIndex(0);
+
+ if (ikink && nKinks) {
+ // Negative kink index: mother, positive: daughter
+
+ // Search for the second track of the kink
+
+ for (Int_t jTrack = iTrack+1; jTrack<nTracks; ++jTrack) {
+
+ AliESDtrack * esdTrack1 = fESD->GetTrack(jTrack);
+
+ Int_t jkink = esdTrack1->GetKinkIndex(0);
+
+ if ( TMath::Abs(ikink)==TMath::Abs(jkink) ) {
+
+ // The two tracks are from the same kink
+
+ if (usedKink[TMath::Abs(ikink)-1]) continue; // skip used kinks
+
+ Int_t imother = -1;
+ Int_t idaughter = -1;
+
+ if (ikink<0 && jkink>0) {
+
+ imother = iTrack;
+ idaughter = jTrack;
+ }
+ else if (ikink>0 && jkink<0) {
+
+ imother = jTrack;
+ idaughter = iTrack;
+ }
+ else {
+// cerr << "Error: Wrong combination of kink indexes: "
+// << ikink << " " << jkink << endl;
+ continue;
+ }
+
+ // Add the mother track
+
+ AliAODTrack * mother = NULL;
+
+ if (!usedTrack[imother]) {
+
+ usedTrack[imother] = kTRUE;
+
+ AliESDtrack *esdTrack = fESD->GetTrack(imother);
+ esdTrack->GetPxPyPz(p);
+ esdTrack->GetXYZ(pos);
+ esdTrack->GetCovarianceXYZPxPyPz(covTr);
+ esdTrack->GetESDpid(pid);
+
+ mother =
+ new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
+ esdTrack->GetLabel(),
+ p,
+ kTRUE,
+ pos,
+ kFALSE,
+ covTr,
+ (Short_t)esdTrack->GetSign(),
+ esdTrack->GetITSClusterMap(),
+ pid,
+ primary,
+ kTRUE, // check if this is right
+ kTRUE, // check if this is right
+ AliAODTrack::kPrimary);
+ primary->AddDaughter(mother);
+ mother->ConvertAliPIDtoAODPID();
+ }
+ else {
+// cerr << "Error: event " << fESD->GetEventNumberInFile() << " kink " << TMath::Abs(ikink)-1
+// << " track " << imother << " has already been used!" << endl;
+ }
+
+ // Add the kink vertex
+ AliESDkink * kink = fESD->GetKink(TMath::Abs(ikink)-1);
+
+ AliAODVertex * vkink =
+ new(vertices[jVertices++]) AliAODVertex(kink->GetPosition(),
+ NULL,
+ 0.,
+ mother,
+ AliAODVertex::kKink);
+ // Add the daughter track
+
+ AliAODTrack * daughter = NULL;
+
+ if (!usedTrack[idaughter]) {
+
+ usedTrack[idaughter] = kTRUE;
+
+ AliESDtrack *esdTrack = fESD->GetTrack(idaughter);
+ esdTrack->GetPxPyPz(p);
+ esdTrack->GetXYZ(pos);
+ esdTrack->GetCovarianceXYZPxPyPz(covTr);
+ esdTrack->GetESDpid(pid);
+
+ daughter =
+ new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
+ esdTrack->GetLabel(),
+ p,
+ kTRUE,
+ pos,
+ kFALSE,
+ covTr,
+ (Short_t)esdTrack->GetSign(),
+ esdTrack->GetITSClusterMap(),
+ pid,
+ vkink,
+ kTRUE, // check if this is right
+ kTRUE, // check if this is right
+ AliAODTrack::kPrimary);
+ vkink->AddDaughter(daughter);
+ daughter->ConvertAliPIDtoAODPID();
+ }
+ else {
+// cerr << "Error: event " << fESD->GetEventNumberInFile() << " kink " << TMath::Abs(ikink)-1
+// << " track " << idaughter << " has already been used!" << endl;
+ }
+ }
+ }
+ }
+ }
+
+
+ // Tracks (primary and orphan)
+
+ printf("NUMBER OF TRACKS %5d\n", nTracks);
+
+ // *** PWG2 specific ***
+
+ fPWG2AODTracks->Delete();
+ fPWG2AODTracks->Expand(nTracks);
+ TClonesArray &tPWG2AODTracks = *fPWG2AODTracks;
+
+ // --- END PWG2 specific ---
+
+ for (Int_t nTrack = 0; nTrack < nTracks; ++nTrack) {
+
+ if (usedTrack[nTrack]) continue;
+ AliESDtrack *esdTrack = fESD->GetTrack(nTrack);
+ UInt_t selectInfo = 0;
+ //
+ // Track selection
+ if (fTrackFilter) {
+ selectInfo = fTrackFilter->IsSelected(esdTrack);
+ if (!selectInfo) continue;
+ }
+
+ //
+ esdTrack->GetPxPyPz(p);
+ esdTrack->GetXYZ(pos);
+ esdTrack->GetCovarianceXYZPxPyPz(covTr);
+ esdTrack->GetESDpid(pid);
+
+ Float_t impactXY, impactZ;
+
+ esdTrack->GetImpactParameters(impactXY,impactZ);
+
+ // *** PWG2 specific ***
+
+ sharemap = esdTrack->GetTPCSharedMap();
+ clustermap = esdTrack->GetTPCClusterMap();
+
+ esdTrack->GetInnerXYZ(tpcentrancepoint);
+ tpcentrancepoint[2] -= pos[2];
+
+ esdTrack->GetOuterXYZ(tpcexitpoint);
+ tpcexitpoint[2] -= pos[2];
+
+ // --- END PWG2 specific ---
+
+
+ if (impactXY<3) {
+ // track inside the beam pipe
+
+ primary->AddDaughter(aodTrack =
+ new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
+ esdTrack->GetLabel(),
+ p,
+ kTRUE,
+ pos,
+ kFALSE,
+ covTr,
+ (Short_t)esdTrack->GetSign(),
+ esdTrack->GetITSClusterMap(),
+ pid,
+ primary,
+ kTRUE, // check if this is right
+ kTRUE, // check if this is right
+ AliAODTrack::kPrimary,
+ selectInfo)
+ );
+ aodTrack->ConvertAliPIDtoAODPID();
+
+ // *** PWG2 specific ****
+ // Add the PWG2 info into the AOD
+ new (tPWG2AODTracks[pTracks++]) AliPWG2AODTrack(tpcentrancepoint,
+ tpcexitpoint,
+ sharemap,
+ clustermap,
+ aodTrack);
+ // --- END PWG2 specific ---
+ }
+ else {
+ // outside the beam pipe: orphan track
+ aodTrack =
+ new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
+ esdTrack->GetLabel(),
+ p,
+ kTRUE,
+ pos,
+ kFALSE,
+ covTr,
+ (Short_t)esdTrack->GetSign(),
+ esdTrack->GetITSClusterMap(),
+ pid,
+ NULL,
+ kFALSE, // check if this is right
+ kFALSE, // check if this is right
+ AliAODTrack::kOrphan,
+ selectInfo);
+ aodTrack->ConvertAliPIDtoAODPID();
+
+ // *** PWG2 specific ****
+ // Add the PWG2 info into the AOD
+ new (tPWG2AODTracks[pTracks++]) AliPWG2AODTrack(tpcentrancepoint,
+ tpcexitpoint,
+ sharemap,
+ clustermap,
+ aodTrack);
+ // --- END PWG2 specific ---
+ }
+ } // end of loop on tracks
+
+ // muon tracks
+ Int_t nMuTracks = fESD->GetNumberOfMuonTracks();
+ for (Int_t nMuTrack = 0; nMuTrack < nMuTracks; ++nMuTrack) {
+
+ AliESDMuonTrack *esdMuTrack = fESD->GetMuonTrack(nMuTrack);
+ p[0] = esdMuTrack->Px();
+ p[1] = esdMuTrack->Py();
+ p[2] = esdMuTrack->Pz();
+ pos[0] = primary->GetX();
+ pos[1] = primary->GetY();
+ pos[2] = primary->GetZ();
+
+ // has to be changed once the muon pid is provided by the ESD
+ for (Int_t i = 0; i < 10; pid[i++] = 0.); pid[AliAODTrack::kMuon]=1.;
+
+ primary->AddDaughter(
+ new(tracks[jTracks++]) AliAODTrack(0, // no ID provided
+ 0, // no label provided
+ p,
+ kTRUE,
+ pos,
+ kFALSE,
+ NULL, // no covariance matrix provided
+ (Short_t)-99, // no charge provided
+ 0, // no ITSClusterMap
+ pid,
+ primary,
+ kTRUE, // check if this is right
+ kTRUE, // not used for vertex fit
+ AliAODTrack::kPrimary)
+ );
+ }
+
+ printf(" jTracks=%d pTracks=%d PWG2=%d\n", jTracks, pTracks, fPWG2AODTracks->GetEntries());
+
+ delete [] usedTrack;
+ delete [] usedV0;
+ delete [] usedKink;
+
+
+ //
+ PostData(0, fTreeA);
+ return;
+}
+
+void AliAnalysisTaskPWG2ESDfilter::Terminate(Option_t */*option*/)
+{
+// Terminate analysis
+//
+ if (fDebug > 1) printf("AnalysisESDfilter: Terminate() \n");
+}
+
git://git.uio.no / u / mrichter / AliRoot.git / commitdiff