* about the suitability of this software for any purpose. It is *
* provided "as is" without express or implied warranty. *
**************************************************************************/
-//#include <TBranch.h>
-//#include <TCanvas.h>
-//#include <TChain.h>
-//#include <TFile.h>
-//#include <TH1F.h>
-//#include <TH1I.h>
-//#include <TH2F.h>
+
#include <TList.h>
-//#include <TLorentzVector.h>
#include <TMath.h>
#include <TObjArray.h>
#include <TObject.h>
-//#include <TProfile.h>
-//#include <TRandom.h>
-//#include <TSystem.h>
-//#include <TTree.h>
#include <TVector3.h>
#include "AliAnalyseLeadingTrackUE.h"
-//#include "AliAnalysisTask.h"
-//#include "AliAnalysisHelperJetTasks.h"
-//#include "AliAnalysisManager.h"
#include "AliAODEvent.h"
-//#include "AliAODHandler.h"
-//#include "AliAODJet.h"
#include "AliAODMCParticle.h"
#include "AliAODTrack.h"
#include "AliESDEvent.h"
#include "AliESDtrack.h"
#include "AliESDtrackCuts.h"
-//#include "AliGenPythiaEventHeader.h"
#include "AliInputEventHandler.h"
-//#include "AliKFVertex.h"
-//#include "AliLog.h"
#include "AliMCEvent.h"
#include "AliVParticle.h"
#include "AliAODMCHeader.h"
+#include "TFormula.h"
#include "AliAnalysisManager.h"
#include "AliMCEventHandler.h"
#include "AliStack.h"
+#include "AliPIDResponse.h"
+#include "AliHelperPID.h"
////////////////////////////////////////////////
TObject(),
fDebug(0),
fFilterBit(16),
+ fTrackStatus(0),
fOnlyHadrons(kFALSE),
+ fCheckMotherPDG(kTRUE),
fTrackEtaCut(0.8),
+ fTrackEtaCutMin(-1.),
fTrackPtMin(0),
fEventSelection(AliVEvent::kMB|AliVEvent::kUserDefined),
+ fDCAXYCut(0),
+ fSharedClusterCut(-1),
+ fCrossedRowsCut(-1),
+ fFoundFractionCut(-1),
fEsdTrackCuts(0x0),
fEsdTrackCutsExtra1(0x0),
- fEsdTrackCutsExtra2(0x0)
+ fEsdTrackCutsExtra2(0x0),
+ fHelperPID(0x0),
+ fEventCounter(0)
{
// constructor
}
fEsdTrackCuts->SetDCAToVertex2D(kTRUE);
fEsdTrackCuts->SetMaxChi2TPCConstrainedGlobal(36);
fEsdTrackCuts->SetClusterRequirementITS(AliESDtrackCuts::kSPD, AliESDtrackCuts::kOff);
+ fEsdTrackCuts->SetMaxFractionSharedTPCClusters(0.4);
// Add SPD requirement
fEsdTrackCutsExtra1 = new AliESDtrackCuts("SPD", "Require 1 cluster in SPD");
fEsdTrackCutsExtra2->SetClusterRequirementITS(AliESDtrackCuts::kSPD,AliESDtrackCuts::kNone);
// A track passing fEsdTrackCuts and fEsdTrackCutsExtra2 corresponds to esdTrackCutsHTGC and needs to be constrained
}
+ else if (filterbit == 4096) // require TOF matching
+ {
+ fEsdTrackCuts = AliESDtrackCuts::GetStandardITSTPCTrackCuts2011(kTRUE);
+ // FIXME: TOF REQUIREMENTS ARE IN GetParticleSpecies FOR THE MOMENT
+ }
else
{
- fEsdTrackCuts = AliESDtrackCuts::GetStandardITSTPCTrackCuts2010();
+ fEsdTrackCuts = AliESDtrackCuts::GetStandardITSTPCTrackCuts2011();
fEsdTrackCuts->SetClusterRequirementITS(AliESDtrackCuts::kSPD, AliESDtrackCuts::kOff);
// Add SPD requirement
AliVParticle* part = ParticleWithCuts( obj, ipart );
if (!part) continue;
// Accept leading-tracks in a limited pseudo-rapidity range
- if( TMath::Abs(part->Eta()) > fTrackEtaCut ) continue;
+ if( TMath::Abs(part->Eta()) > fTrackEtaCut || TMath::Abs(part->Eta()) < fTrackEtaCutMin ) continue;
tracks->AddLast( part );
}
// Order tracks by pT
arrayMC = static_cast<TClonesArray*>(mcObj);
else
{
- arrayMC->Dump();
+ mcObj->Dump();
AliFatal("Invalid object passed");
}
Printf("WARNING: No mother found for particle %d:", part->GetLabel());
continue;
}
-
- if (mother->GetLabel() > maxLabel)
+
+// Printf("%d %d %d", i, part->GetLabel(), mother->GetLabel());
+ if (mother->GetLabel() >= maxLabel)
{
-// Printf("Removing %d with label %d", i, part->GetLabel()); part->Dump();
+// Printf("Removing %d with label %d", i, part->GetLabel()); ((AliMCParticle*)part)->Particle()->Print(); ((AliMCParticle*)mother)->Particle()->Print();
TObject* object = tracks->RemoveAt(i);
if (tracks->IsOwner())
delete object;
}
//-------------------------------------------------------------------
-TObjArray* AliAnalyseLeadingTrackUE::GetAcceptedParticles(TObject* obj, TObject* arrayMC, Bool_t onlyprimaries, Int_t particleSpecies, Bool_t useEtaPtCuts)
+void AliAnalyseLeadingTrackUE::RemoveWeakDecays(TObjArray* tracks, TObject* mcObj)
+{
+ // remove particles from weak decays
+ // <tracks> can be the following cases:
+ // a. tracks: in this case the label is taken and then case b.
+ // b. particles: it is checked if IsSecondaryFromWeakDecay is true
+ // <mcObj> can be AOD (TClonesArray) or ESD (AliMCEvent)
+
+ TClonesArray* arrayMC = 0;
+ AliMCEvent* mcEvent = 0;
+ if (mcObj->InheritsFrom("AliMCEvent"))
+ mcEvent = static_cast<AliMCEvent*>(mcObj);
+ else if (mcObj->InheritsFrom("TClonesArray"))
+ arrayMC = static_cast<TClonesArray*>(mcObj);
+ else
+ {
+ mcObj->Dump();
+ AliFatal("Invalid object passed");
+ }
+
+ Int_t before = tracks->GetEntriesFast();
+
+ for (Int_t i=0; i<before; ++i)
+ {
+ AliVParticle* part = (AliVParticle*) tracks->At(i);
+
+ if (part->InheritsFrom("AliESDtrack") || part->InheritsFrom("AliAODTrack"))
+ part = ((mcEvent) ? mcEvent->GetTrack(TMath::Abs(part->GetLabel())) : (AliVParticle*)arrayMC->At(TMath::Abs(part->GetLabel())));
+
+ if (part->InheritsFrom("AliAODMCParticle"))
+ {
+ if (!((AliAODMCParticle*) part)->IsSecondaryFromWeakDecay())
+ continue;
+ }
+ else if (part->InheritsFrom("AliMCParticle") && mcEvent)
+ {
+ if (!(mcEvent->Stack()->IsSecondaryFromWeakDecay(part->GetLabel())))
+ continue;
+ }
+ else
+ {
+ part->Dump();
+ AliFatal("Unknown particle");
+ }
+
+// Printf("Removing %d with label %d", i, part->GetLabel()); part->Dump();
+ TObject* object = tracks->RemoveAt(i);
+ if (tracks->IsOwner())
+ delete object;
+ }
+
+ tracks->Compress();
+
+ if (before > tracks->GetEntriesFast())
+ AliInfo(Form("Reduced from %d to %d", before, tracks->GetEntriesFast()));
+}
+
+//-------------------------------------------------------------------
+TObjArray* AliAnalyseLeadingTrackUE::GetAcceptedParticles(TObject* obj, TObject* arrayMC, Bool_t onlyprimaries, Int_t particleSpecies, Bool_t useEtaPtCuts, Bool_t speciesOnTracks)
{
// Returns an array of particles that pass the cuts, if arrayMC is given each reconstructed particle is replaced by its corresponding MC particles, depending on the parameter onlyprimaries only for primaries
// particleSpecies: -1 all particles are returned
// 0 (pions) 1 (kaons) 2 (protons) 3 (others) particles
-
+ // speciesOnTracks if kFALSE, particleSpecies is only applied on the matched MC particle (not on the track itself)
+
Int_t nTracks = NParticles(obj);
TObjArray* tracks = new TObjArray;
// Loop over tracks or jets
for (Int_t ipart=0; ipart<nTracks; ++ipart) {
- AliVParticle* part = ParticleWithCuts( obj, ipart, onlyprimaries, particleSpecies );
+ AliVParticle* part = ParticleWithCuts( obj, ipart, onlyprimaries, (speciesOnTracks) ? particleSpecies : -1);
if (!part) continue;
if (useEtaPtCuts)
- if (TMath::Abs(part->Eta()) > fTrackEtaCut || part->Pt() < fTrackPtMin)
+ if (TMath::Abs(part->Eta()) > fTrackEtaCut || TMath::Abs(part->Eta()) < fTrackEtaCutMin || part->Pt() < fTrackPtMin)
{
if (hasOwnership)
delete part;
continue;
}
+
+// Printf("%p %p %d Accepted %d %f %f %f", obj, arrayMC, particleSpecies, ipart, part->Eta(), part->Phi(), part->Pt());
if (arrayMC) {
Int_t label = part->GetLabel();
if (!partReconstructed) continue;
if (useEtaPtCuts)
- if (TMath::Abs(partReconstructed->Eta()) > fTrackEtaCut || partReconstructed->Pt() < fTrackPtMin)
+ if (TMath::Abs(partReconstructed->Eta()) > fTrackEtaCut || TMath::Abs(partReconstructed->Eta()) < fTrackEtaCutMin || partReconstructed->Pt() < fTrackPtMin)
{
if (hasOwnership)
delete partReconstructed;
return nTracks;
}
-
//-------------------------------------------------------------------
AliVParticle* AliAnalyseLeadingTrackUE::ParticleWithCuts(TObject* obj, Int_t ipart, Bool_t onlyprimaries, Int_t particleSpecies)
{
if (particleSpecies != -1) {
// find the primary mother
AliVParticle* mother = part;
- while (!((AliAODMCParticle*)mother)->IsPhysicalPrimary())
- {
+ if(fCheckMotherPDG) {
+ while (!((AliAODMCParticle*)mother)->IsPhysicalPrimary())
+ {
if (((AliAODMCParticle*)mother)->GetMother() < 0)
{
mother = 0;
mother = (AliVParticle*) arrayMC->At(((AliAODMCParticle*)mother)->GetMother());
if (!mother)
break;
+ }
}
-
if (mother)
{
Int_t pdgCode = ((AliAODMCParticle*)mother)->GetPdgCode();
// find the primary mother
AliMCParticle* mother = (AliMCParticle*) part;
// Printf("");
- while (!mcEvent->IsPhysicalPrimary(mother->GetLabel()))
- {
+ if(fCheckMotherPDG) {
+ while (!mcEvent->IsPhysicalPrimary(mother->GetLabel()))
+ {
// Printf("pdg = %d; mother = %d", mother->PdgCode(), mother->GetMother());
if (mother->GetMother() < 0)
{
mother = (AliMCParticle*) mcEvent->GetTrack(mother->GetMother());
if (!mother)
break;
+ }
}
-
if (mother)
{
Int_t pdgCode = mother->PdgCode();
}else if (obj->InheritsFrom("AliAODEvent")){ // RECO AOD TRACKS
AliAODEvent *aodEvent = static_cast<AliAODEvent*>(obj);
part = aodEvent->GetTrack(ipart);
+
// track selection cuts
if ( !(((AliAODTrack*)part)->TestFilterBit(fFilterBit)) ) return 0;
- //if ( !(((AliAODTrack*)part)->TestFilterBit(fFilterBit)) && !(((AliAODTrack*)part)->TestFilterBit(32)) ) return 0;
- // only primary candidates
- //if ( ((AliAODTrack*)part)->IsPrimaryCandidate() )return 0;
+ if (fTrackStatus != 0 && !CheckTrack(part)) return 0;
+
+ // DCA XY
+ if (fDCAXYCut)
+ {
+ const AliVVertex* vertex = aodEvent->GetPrimaryVertex();
+ if (!vertex)
+ return 0;
+
+ Double_t pos[2];
+ Double_t covar[3];
+ AliAODTrack* clone = (AliAODTrack*) part->Clone();
+ Bool_t success = clone->PropagateToDCA(vertex, aodEvent->GetHeader()->GetMagneticField(), 3, pos, covar);
+ delete clone;
+ if (!success)
+ return 0;
+
+// Printf("%f", ((AliAODTrack*)part)->DCA());
+// Printf("%f", pos[0]);
+ if (TMath::Abs(pos[0]) > fDCAXYCut->Eval(part->Pt()))
+ return 0;
+ }
+
+ if (fSharedClusterCut >= 0)
+ {
+ Double_t frac = Double_t(((AliAODTrack*)part)->GetTPCnclsS()) / Double_t(((AliAODTrack*)part)->GetTPCncls());
+ if (frac > fSharedClusterCut)
+ return 0;
+ }
+
+ if (fCrossedRowsCut >= 0)
+ {
+ if (((AliAODTrack*) part)->GetTPCNCrossedRows() < fCrossedRowsCut)
+ return 0;
+ }
+
+ if (fFoundFractionCut >= 0)
+ {
+ UInt_t findableClusters = ((AliAODTrack*) part)->GetTPCNclsF();
+ if (findableClusters == 0)
+ return 0;
+ if (((Double_t) ((AliAODTrack*) part)->GetTPCNCrossedRows() / findableClusters) < fFoundFractionCut)
+ return 0;
+ }
+
// eventually only hadrons
if (fOnlyHadrons){
Bool_t isHadron = ((AliAODTrack*)part)->GetMostProbablePID()==AliAODTrack::kPion ||
((AliAODTrack*)part)->GetMostProbablePID()==AliAODTrack::kProton;
if (!isHadron) return 0;
}
+
+ if (particleSpecies != -1 && fHelperPID->GetParticleSpecies((AliVTrack*) part,kTRUE) != particleSpecies) return 0;
}else if (obj->InheritsFrom("AliESDEvent")){ // RECO ESD TRACKS
AliESDEvent *esdEvent = static_cast<AliESDEvent*>(obj);
part = esdEvent->GetTrack(ipart);
if (!part)return 0;
+
// track selection cuts
-
if (!( ApplyCuts(part)) )
- return 0;
+ return 0;
+ if (fTrackStatus != 0 && !CheckTrack(part)) return 0;
+
if (fFilterBit == 128 || fFilterBit == 256 || fFilterBit == 512 || fFilterBit == 1024)
{
// create TPC only tracks constrained to the SPD vertex
if (!isHadron) return 0;
}
*/
+ if (particleSpecies != -1 && fHelperPID->GetParticleSpecies((AliVTrack*) part,kTRUE) != particleSpecies) return 0; // If it is -1 you take all the particles
+
}else {
if (fDebug > 1) AliFatal(" Analysis type not defined !!! ");
return 0;
// only charged
if (!part->Charge())return 0;
+ part->SetUniqueID(fEventCounter * 100000 + ipart);
return part;
}
TVector3 partVect(part->Px(), part->Py(), part->Pz());
Int_t region = 0;
- if( TMath::Abs(partVect.Eta()) > fTrackEtaCut ) continue;
+ if( TMath::Abs(partVect.Eta()) > fTrackEtaCut || TMath::Abs(partVect.Eta()) < fTrackEtaCutMin) continue;
// transverse regions
if (leadVect.DeltaPhi(partVect) < -k60rad && leadVect.DeltaPhi(partVect) > -k120rad )region = -1; //left
if (leadVect.DeltaPhi(partVect) > k60rad && leadVect.DeltaPhi(partVect) < k120rad ) region = 1; //right
if (name.CompareTo("PrimaryVertex") && name.CompareTo("SPDVertex"))return kFALSE;
// Select a quality vertex by number of tracks?
- if( nTracksPrim < ntracks || TMath::Abs(zVertex) > zed ) {
+ if( nTracksPrim < ntracks || TMath::Abs(zVertex) >= zed ) {
if (fDebug > 1) AliInfo(" Primary-vertex Selection: event REJECTED ...");
return kFALSE;
}
if (obj->InheritsFrom("AliMCEvent"))
{
- if (TMath::Abs(((AliMCEvent*) obj)->GetPrimaryVertex()->GetZ()) > zed)
+ if (TMath::Abs(((AliMCEvent*) obj)->GetPrimaryVertex()->GetZ()) >= zed)
{
if (fDebug > 1) AliInfo(" Primary-vertex Selection: event (based on MC) REJECTED ...");
return kFALSE;
if (obj->InheritsFrom("AliAODMCHeader"))
{
- if (TMath::Abs(((AliAODMCHeader*) obj)->GetVtxZ()) > zed)
+ if (TMath::Abs(((AliAODMCHeader*) obj)->GetVtxZ()) >= zed)
{
if (fDebug > 1) AliInfo(" Primary-vertex Selection: event (based on MC) REJECTED ...");
return kFALSE;
if (name.CompareTo("PrimaryVertex") && name.CompareTo("SPDVertex"))return kFALSE;
// Select a quality vertex by number of tracks?
- if( nTracksPrim < ntracks || TMath::Abs(zVertex) > zed ) {
+ if( nTracksPrim < ntracks || TMath::Abs(zVertex) >= zed ) {
if (fDebug > 1) AliInfo(" Primary-vertex Selection: event REJECTED ...");
return kFALSE;
}
return kTRUE;
}
+
+//____________________________________________________________________
+
+Bool_t AliAnalyseLeadingTrackUE::CheckTrack(AliVParticle * part)
+{
+ // check if the track status flags are set
+
+ UInt_t status=((AliVTrack*)part)->GetStatus();
+ if ((status & fTrackStatus) == fTrackStatus)
+ return kTRUE;
+ return kFALSE;
+}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff