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
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff