track.SetLocalTrigger(esdTrack.LoCircuit(), esdTrack.LoStripX(), esdTrack.LoStripY(),
esdTrack.LoDev(), esdTrack.LoLpt(), esdTrack.LoHpt(),
esdTrack.GetTriggerWithoutChamber());
+ track.Connected(esdTrack.IsConnected());
// track parameters at vertex
AliMUONTrackParam paramAtVertex;
trackParam = static_cast<AliMUONTrackParam*>(track.GetTrackParamAtCluster()->After(trackParam));
}
+ // set connected flag
+ esdTrack.Connected(track.IsConnected());
+
// set trigger info
esdTrack.SetLocalTrigger(track.GetLocalTrigger());
esdTrack.SetChi2MatchTrigger(track.GetChi2MatchTrigger());
fMakeMoreTrackCandidates = kFALSE;
fComplementTracks = kTRUE;
fImproveTracks = kTRUE;
- fRemoveConnectedTracksInSt12 = kTRUE;
+ fRemoveConnectedTracksInSt12 = kFALSE;
fUseSmoother = kTRUE;
for (Int_t iCh = 0; iCh < 10; iCh++) {
fUseChamber[iCh] = kTRUE;
fTrackID(-1),
fTrackParamAtVertex(0x0),
fHitsPatternInTrigCh(0),
- fLocalTrigger(0)
+ fLocalTrigger(0),
+ fConnected(kFALSE)
{
/// Default constructor
fVertexErrXY2[0] = 0.;
fTrackID(-1),
fTrackParamAtVertex(0x0),
fHitsPatternInTrigCh(0),
- fLocalTrigger(0)
+ fLocalTrigger(0),
+ fConnected(kFALSE)
{
/// Constructor from two clusters
fTrackID(track.fTrackID),
fTrackParamAtVertex(0x0),
fHitsPatternInTrigCh(track.fHitsPatternInTrigCh),
- fLocalTrigger(track.fLocalTrigger)
+ fLocalTrigger(track.fLocalTrigger),
+ fConnected(track.fConnected)
{
///copy constructor
fTrackID = track.fTrackID;
fHitsPatternInTrigCh = track.fHitsPatternInTrigCh;
fLocalTrigger = track.fLocalTrigger;
+ fConnected = track.fConnected;
return *this;
}
fTrackID = -1;
fHitsPatternInTrigCh = 0;
fLocalTrigger = 0;
+ fConnected = kFALSE;
delete fTrackParamAtCluster; fTrackParamAtCluster = 0x0;
delete fClusterWeightsNonBending; fClusterWeightsNonBending = 0x0;
delete fClusterWeightsBending; fClusterWeightsBending = 0x0;
}
//__________________________________________________________________________
-Int_t AliMUONTrack::ClustersInCommon(AliMUONTrack* track) const
+Int_t AliMUONTrack::ClustersInCommon(AliMUONTrack* track, Int_t stMin, Int_t stMax) const
{
- /// Returns the number of clusters in common between the current track ("this")
- /// and the track pointed to by "track".
- if (!fTrackParamAtCluster || !this->fTrackParamAtCluster) return 0;
- Int_t nCluster1 = this->GetNClusters();
- Int_t nCluster2 = track->GetNClusters();
- Int_t clustersInCommon = 0;
- AliMUONTrackParam *trackParamAtCluster1, *trackParamAtCluster2;
- // Loop over clusters of first track
- for(Int_t iCluster1 = 0; iCluster1 < nCluster1; iCluster1++) {
- trackParamAtCluster1 = (AliMUONTrackParam*) this->fTrackParamAtCluster->UncheckedAt(iCluster1);
- // Loop over clusters of second track
- for(Int_t iCluster2 = 0; iCluster2 < nCluster2; iCluster2++) {
- trackParamAtCluster2 = (AliMUONTrackParam*) track->fTrackParamAtCluster->UncheckedAt(iCluster2);
- // Increment "clustersInCommon" if both trackParamAtCluster1 & 2 point to the same cluster
- if ((trackParamAtCluster1->GetClusterPtr()) == (trackParamAtCluster2->GetClusterPtr())) {
- clustersInCommon++;
- break;
- }
- }
- }
- return clustersInCommon;
-}
-
- //__________________________________________________________________________
-Int_t AliMUONTrack::ClustersInCommonInSt345(AliMUONTrack* track) const
-{
- /// Returns the number of clusters in common on stations 3, 4 and 5
+ /// Returns the number of clusters in common in stations [stMin, stMax]
/// between the current track ("this") and the track pointed to by "track".
+
if (!fTrackParamAtCluster || !this->fTrackParamAtCluster) return 0;
- Int_t nCluster1 = this->GetNClusters();
- Int_t nCluster2 = track->GetNClusters();
+
+ Int_t chMin = 2 * stMin;
+ Int_t chMax = 2 * stMax + 1;
Int_t clustersInCommon = 0;
- AliMUONTrackParam *trackParamAtCluster1, *trackParamAtCluster2;
+
// Loop over clusters of first track
- for(Int_t iCluster1 = 0; iCluster1 < nCluster1; iCluster1++) {
- trackParamAtCluster1 = (AliMUONTrackParam*) this->fTrackParamAtCluster->UncheckedAt(iCluster1);
- if (trackParamAtCluster1->GetClusterPtr()->GetChamberId() < 4) continue;
+ Int_t nCl1 = this->GetNClusters();
+ for(Int_t iCl1 = 0; iCl1 < nCl1; iCl1++) {
+ AliMUONVCluster* cl1 = ((AliMUONTrackParam*) this->fTrackParamAtCluster->UncheckedAt(iCl1))->GetClusterPtr();
+
+ Int_t chCl1 = cl1->GetChamberId();
+ if (chCl1 < chMin || chCl1 > chMax) continue;
+
// Loop over clusters of second track
- for(Int_t iCluster2 = 0; iCluster2 < nCluster2; iCluster2++) {
- trackParamAtCluster2 = (AliMUONTrackParam*) track->fTrackParamAtCluster->UncheckedAt(iCluster2);
- if (trackParamAtCluster2->GetClusterPtr()->GetChamberId() < 4) continue;
- // Increment "clustersInCommon" if both trackParamAtCluster1 & 2 point to the same cluster
- if ((trackParamAtCluster1->GetClusterPtr()) == (trackParamAtCluster2->GetClusterPtr())) {
+ Int_t nCl2 = track->GetNClusters();
+ for(Int_t iCl2 = 0; iCl2 < nCl2; iCl2++) {
+ AliMUONVCluster* cl2 = ((AliMUONTrackParam*) track->fTrackParamAtCluster->UncheckedAt(iCl2))->GetClusterPtr();
+
+ Int_t chCl2 = cl2->GetChamberId();
+ if (chCl2 < chMin || chCl2 > chMax) continue;
+
+ // Increment "clustersInCommon" if both clusters have the same ID
+ if (cl1->GetUniqueID() == cl2->GetUniqueID()) {
clustersInCommon++;
break;
}
+
}
+
}
+
return clustersInCommon;
}
/// set the chi2 of trigger/track matching
void SetChi2MatchTrigger(Double_t chi2MatchTrigger) {fChi2MatchTrigger = chi2MatchTrigger;}
- Int_t ClustersInCommon(AliMUONTrack* track) const;
- Int_t ClustersInCommonInSt345(AliMUONTrack* track) const;
+ Int_t ClustersInCommon(AliMUONTrack* track, Int_t stMin = 0, Int_t stMax = 4) const;
Int_t GetNDF() const;
Double_t GetNormalizedChi2() const;
/// return the maximum chi2 above which the track can be considered as abnormal (due to extrapolation failure, ...)
static Double_t MaxChi2() {return fgkMaxChi2;}
+
+ void Connected(Bool_t flag = kTRUE) {fConnected = flag;}
+ Bool_t IsConnected() const {return fConnected;}
private:
Int_t fLocalTrigger; ///< packed local trigger information
+ Bool_t fConnected; ///< kTRUE if that track shares cluster(s) with another
// methods
Bool_t ComputeClusterWeights(TMatrixD& clusterWeightsNB, TMatrixD& clusterWeightsB,
if (GetRecoParam()->ImproveTracks()) ImproveTracks();
// Remove connected tracks
- if (GetRecoParam()->RemoveConnectedTracksInSt12()) RemoveConnectedTracks(kFALSE);
- else RemoveConnectedTracks(kTRUE);
+ RemoveConnectedTracks(3, 4, kFALSE);
+ RemoveConnectedTracks(2, 2, kFALSE);
+ if (GetRecoParam()->RemoveConnectedTracksInSt12()) RemoveConnectedTracks(0, 1, kFALSE);
// Fill AliMUONTrack data members
Finalize();
+ if (!GetRecoParam()->RemoveConnectedTracksInSt12()) TagConnectedTracks(0, 1, kTRUE);
// Add tracks to MUON data container
- for (Int_t i=0; i<fNRecTracks; ++i)
+ for (Int_t i=0; i<fNRecTracks; ++i)
{
AliMUONTrack * track = (AliMUONTrack*) fRecTracksPtr->At(i);
if (track->GetGlobalChi2() < AliMUONTrack::MaxChi2()) {
}
//__________________________________________________________________________
-void AliMUONVTrackReconstructor::RemoveConnectedTracks(Bool_t inSt345)
+void AliMUONVTrackReconstructor::RemoveConnectedTracks(Int_t stMin, Int_t stMax, Bool_t all)
{
- /// To remove double tracks:
- /// Tracks are considered identical if they share 1 cluster or more.
- /// If inSt345=kTRUE only stations 3, 4 and 5 are considered.
- /// Among two identical tracks, one keeps the track with the larger number of clusters
- /// or, if these numbers are equal, the track with the minimum chi2.
- AliMUONTrack *track1, *track2, *trackToRemove;
- Int_t clustersInCommon, nClusters1, nClusters2;
- Bool_t removedTrack1;
+ /// Find and remove tracks sharing 1 cluster or more in station(s) [stMin, stMax].
+ /// For each couple of connected tracks, one removes the one with the smallest
+ /// number of clusters or with the highest chi2 value in case of equality.
+ /// If all=kTRUE: both tracks are removed.
+
+ // tag the tracks to be removed
+ TagConnectedTracks(stMin, stMax, all);
+
+ // remove them
+ Int_t nTracks = fRecTracksPtr->GetEntriesFast();
+ for (Int_t i = 0; i < nTracks; i++) {
+ if (((AliMUONTrack*) fRecTracksPtr->UncheckedAt(i))->IsConnected()) {
+ fRecTracksPtr->RemoveAt(i);
+ fNRecTracks--;
+ }
+ }
+
+ // remove holes in the array if any
+ fRecTracksPtr->Compress();
+}
+
+ //__________________________________________________________________________
+void AliMUONVTrackReconstructor::TagConnectedTracks(Int_t stMin, Int_t stMax, Bool_t all)
+{
+ /// Find and tag tracks sharing 1 cluster or more in station(s) [stMin, stMax].
+ /// For each couple of connected tracks, one tags the one with the smallest
+ /// number of clusters or with the highest chi2 value in case of equality.
+ /// If all=kTRUE: both tracks are tagged.
+
+ AliMUONTrack *track1, *track2;
+ Int_t nClusters1, nClusters2;
+ Int_t nTracks = fRecTracksPtr->GetEntriesFast();
+
+ // reset the tags
+ for (Int_t i = 0; i < nTracks; i++) ((AliMUONTrack*) fRecTracksPtr->UncheckedAt(i))->Connected(kFALSE);
+
// Loop over first track of the pair
- track1 = (AliMUONTrack*) fRecTracksPtr->First();
- while (track1) {
- removedTrack1 = kFALSE;
- nClusters1 = track1->GetNClusters();
+ for (Int_t iTrack1 = 0; iTrack1 < nTracks; iTrack1++) {
+ track1 = (AliMUONTrack*) fRecTracksPtr->UncheckedAt(iTrack1);
+
// Loop over second track of the pair
- track2 = (AliMUONTrack*) fRecTracksPtr->After(track1);
- while (track2) {
- nClusters2 = track2->GetNClusters();
- // number of clusters in common between two tracks
- if (inSt345) clustersInCommon = track1->ClustersInCommonInSt345(track2);
- else clustersInCommon = track1->ClustersInCommon(track2);
- // check for identical tracks
- if (clustersInCommon > 0) {
- // decide which track to remove
- if ((nClusters1 > nClusters2) || ((nClusters1 == nClusters2) && (track1->GetGlobalChi2() <= track2->GetGlobalChi2()))) {
- // remove track2 and continue the second loop with the track next to track2
- trackToRemove = track2;
- track2 = (AliMUONTrack*) fRecTracksPtr->After(track2);
- fRecTracksPtr->Remove(trackToRemove);
- fRecTracksPtr->Compress(); // this is essential to retrieve the TClonesArray afterwards
- fNRecTracks--;
- } else {
- // else remove track1 and continue the first loop with the track next to track1
- trackToRemove = track1;
- track1 = (AliMUONTrack*) fRecTracksPtr->After(track1);
- fRecTracksPtr->Remove(trackToRemove);
- fRecTracksPtr->Compress(); // this is essential to retrieve the TClonesArray afterwards
- fNRecTracks--;
- removedTrack1 = kTRUE;
- break;
- }
- } else track2 = (AliMUONTrack*) fRecTracksPtr->After(track2);
- } // track2
- if (removedTrack1) continue;
- track1 = (AliMUONTrack*) fRecTracksPtr->After(track1);
- } // track1
- return;
+ for (Int_t iTrack2 = iTrack1+1; iTrack2 < nTracks; iTrack2++) {
+ track2 = (AliMUONTrack*) fRecTracksPtr->UncheckedAt(iTrack2);
+
+ // check for connected tracks and tag them
+ if (track1->ClustersInCommon(track2, stMin, stMax) > 0) {
+
+ if (all) {
+
+ // tag both tracks
+ track1->Connected();
+ track2->Connected();
+
+ } else {
+
+ // tag only the worst track
+ nClusters1 = track1->GetNClusters();
+ nClusters2 = track2->GetNClusters();
+ if ((nClusters1 > nClusters2) || ((nClusters1 == nClusters2) && (track1->GetGlobalChi2() <= track2->GetGlobalChi2()))) {
+ track2->Connected();
+ } else {
+ track1->Connected();
+ }
+
+ }
+
+ }
+
+ }
+
+ }
+
}
//__________________________________________________________________________
//__________________________________________________________________________
void AliMUONVTrackReconstructor::Finalize()
{
- /// Recompute track parameters and covariances at each attached cluster from those at the first one
+ /// Recompute track parameters and covariances at each attached cluster
/// Set the label pointing to the corresponding MC track
/// Remove the track if finalization failed
void RemoveUsedSegments(TClonesArray& segments);
void RemoveIdenticalTracks();
void RemoveDoubleTracks();
- void RemoveConnectedTracks(Bool_t inSt345 = kFALSE);
+ void RemoveConnectedTracks(Int_t stMin, Int_t stMax, Bool_t all);
+ void TagConnectedTracks(Int_t stMin, Int_t stMax, Bool_t all);
void AskForNewClustersInStation(const AliMUONTrackParam &trackParam,
AliMUONVClusterStore& clusterStore, Int_t station);
aodTrack->SetHitsPatternInTrigCh(esdMuTrack->GetHitsPatternInTrigCh());
aodTrack->SetMuonClusterMap(esdMuTrack->GetMuonClusterMap());
aodTrack->SetMatchTrigger(esdMuTrack->GetMatchTrigger());
+ aodTrack->Connected(esdMuTrack->IsConnected());
primary->AddDaughter(aodTrack);
Int_t HitsMT(Int_t istation, Int_t iplane, Option_t *cathode=0); // Check if track hits Muon chambers
Int_t HitsMuonChamber(Int_t MuonChamber); // Check if track hits Muon chambers
Bool_t IsMuonTrack() const { return (GetMUONClusterMap()>0) ? kTRUE : kFALSE; }
+
+ void Connected(Bool_t flag) {flag ? SETBIT(fITSMuonClusterMap,26) : CLRBIT(fITSMuonClusterMap,26);}
+ Bool_t IsConnected() const {return TESTBIT(fITSMuonClusterMap,26);}
void SetProdVertex(TObject *vertex) { fProdVertex = vertex; }
void SetType(AODTrk_t ttype) { fType=ttype; }
void AddInMuonClusterMap(Int_t chamber) {fMuonClusterMap |= BIT(chamber);}
Bool_t IsInMuonClusterMap(Int_t chamber) const {return (Bool_t) ((fMuonClusterMap & BIT(chamber)) != 0);}
+ // Identify the tracks sharing cluster(s) with another (use the last bit of fMuonClusterMap)
+ void Connected(Bool_t flag = kTRUE) {flag ? SETBIT(fMuonClusterMap,31) : CLRBIT(fMuonClusterMap,31);}
+ Bool_t IsConnected() const {return TESTBIT(fMuonClusterMap,31);}
+
// Methods to get, fill and check the array of associated clusters
Int_t GetNClusters() const;
TClonesArray& GetClusters() const;