/// \endcond
//__________________________________________________________________________
-AliMUONTrackReconstructor::AliMUONTrackReconstructor(AliMUONVClusterServer& clusterServer)
- : AliMUONVTrackReconstructor(clusterServer)
+AliMUONTrackReconstructor::AliMUONTrackReconstructor(const AliMUONRecoParam* recoParam, AliMUONVClusterServer* clusterServer)
+ : AliMUONVTrackReconstructor(recoParam,clusterServer)
{
/// Constructor
}
Int_t firstChamber(0);
Int_t lastChamber(9);
- if (AliMUONReconstructor::GetRecoParam()->CombineClusterTrackReco()) {
+ if (GetRecoParam()->CombineClusterTrackReco()) {
// ... Here's the exception : ask the clustering to reconstruct
// clusters *only* in station 4 and 5 for combined tracking
firstChamber = 6;
for (Int_t i = firstChamber; i <= lastChamber; ++i )
{
- if (AliMUONReconstructor::GetRecoParam()->UseChamber(i)) fClusterServer.Clusterize(i, clusterStore, AliMpArea());
+ if (fClusterServer && GetRecoParam()->UseChamber(i)) fClusterServer->Clusterize(i, clusterStore, AliMpArea());
}
// Loop over stations(1..) 5 and 4 and make track candidates
AliDebug(1,Form("Making primary candidate(1..) %d",++iCandidate));
// Transform segments to tracks and put them at the end of fRecTracksPtr
- track = new ((*fRecTracksPtr)[fRecTracksPtr->GetLast()+1]) AliMUONTrack((AliMUONObjectPair*)((*segments)[iseg]));
+ track = new ((*fRecTracksPtr)[fRecTracksPtr->GetLast()+1]) AliMUONTrack((AliMUONObjectPair*)((*segments)[iseg]),GetRecoParam()->GetBendingVertexDispersion());
fNRecTracks++;
// Look for compatible cluster(s) in the other station
- if (AliMUONReconstructor::GetRecoParam()->MakeTrackCandidatesFast())
+ if (GetRecoParam()->MakeTrackCandidatesFast())
clusterFound = FollowLinearTrackInStation(*track, clusterStore, 7-istat);
else clusterFound = FollowTrackInStation(*track, clusterStore, 7-istat);
// Remove track if no cluster found
- if (!clusterFound && AliMUONReconstructor::GetRecoParam()->RequestStation(7-istat)) {
+ if (!clusterFound && GetRecoParam()->RequestStation(7-istat)) {
fRecTracksPtr->Remove(track);
fNRecTracks--;
}
fRecTracksPtr->Compress(); // this is essential before checking tracks
// Keep all different tracks or only the best ones as required
- if (AliMUONReconstructor::GetRecoParam()->TrackAllTracks()) RemoveIdenticalTracks();
+ if (GetRecoParam()->TrackAllTracks()) RemoveIdenticalTracks();
else RemoveDoubleTracks();
AliDebug(1,Form("Number of good candidates = %d",fNRecTracks));
// Transform segments to tracks and put them at the end of fRecTracksPtr
iCurrentTrack = fRecTracksPtr->GetLast()+1;
- track = new ((*fRecTracksPtr)[iCurrentTrack]) AliMUONTrack((AliMUONObjectPair*)((*segments)[iseg]));
+ track = new ((*fRecTracksPtr)[iCurrentTrack]) AliMUONTrack((AliMUONObjectPair*)((*segments)[iseg]),GetRecoParam()->GetBendingVertexDispersion());
fNRecTracks++;
// Look for compatible cluster(s) in the second chamber of station 5
- if (AliMUONReconstructor::GetRecoParam()->MakeTrackCandidatesFast())
+ if (GetRecoParam()->MakeTrackCandidatesFast())
clusterFound = FollowLinearTrackInChamber(*track, clusterStore, 17-ich2);
else clusterFound = FollowTrackInChamber(*track, clusterStore, 17-ich2);
// skip the original track in case it has been removed
- if (AliMUONReconstructor::GetRecoParam()->TrackAllTracks() && clusterFound) iCurrentTrack++;
+ if (GetRecoParam()->TrackAllTracks() && clusterFound) iCurrentTrack++;
// loop over every new tracks
nCurrentTracks = fRecTracksPtr->GetLast()+1;
track = (AliMUONTrack*) fRecTracksPtr->UncheckedAt(iCurrentTrack);
// Look for compatible cluster(s) in the second chamber of station 4
- if (AliMUONReconstructor::GetRecoParam()->MakeTrackCandidatesFast())
+ if (GetRecoParam()->MakeTrackCandidatesFast())
FollowLinearTrackInChamber(*track, clusterStore, 13-ich1);
else FollowTrackInChamber(*track, clusterStore, 13-ich1);
fRecTracksPtr->Compress(); // this is essential before checking tracks
// Keep all different tracks or only the best ones as required
- if (AliMUONReconstructor::GetRecoParam()->TrackAllTracks()) RemoveIdenticalTracks();
+ if (GetRecoParam()->TrackAllTracks()) RemoveIdenticalTracks();
else RemoveDoubleTracks();
AliDebug(1,Form("Number of good candidates = %d",fNRecTracks));
AliMUONTrackParam *trackParam, *nextTrackParam;
Int_t currentNRecTracks;
- Double_t sigmaCut2 = AliMUONReconstructor::GetRecoParam()->GetSigmaCutForTracking() *
- AliMUONReconstructor::GetRecoParam()->GetSigmaCutForTracking();
+ Double_t sigmaCut2 = GetRecoParam()->GetSigmaCutForTracking() *
+ GetRecoParam()->GetSigmaCutForTracking();
for (Int_t station = 2; station >= 0; station--) {
// remove track with absolute bending momentum out of limits
// or if the normalized chi2 is too high
Double_t bendingMomentum = TMath::Abs(1. / ((AliMUONTrackParam*)track->GetTrackParamAtCluster()->First())->GetInverseBendingMomentum());
- if (bendingMomentum < AliMUONReconstructor::GetRecoParam()->GetMinBendingMomentum() ||
- bendingMomentum > AliMUONReconstructor::GetRecoParam()->GetMaxBendingMomentum() ||
+ if (bendingMomentum < GetRecoParam()->GetMinBendingMomentum() ||
+ bendingMomentum > GetRecoParam()->GetMaxBendingMomentum() ||
track->GetNormalizedChi2() > sigmaCut2) {
fRecTracksPtr->Remove(track);
fNRecTracks--;
}
// save parameters from fit into smoothed parameters to complete track afterward
- if (AliMUONReconstructor::GetRecoParam()->ComplementTracks()) {
+ if (GetRecoParam()->ComplementTracks()) {
if (station==2) { // save track parameters on stations 4 and 5
if (!FollowTrackInStation(*track, clusterStore, station)) {
// Try to recover track if required
- if (AliMUONReconstructor::GetRecoParam()->RecoverTracks()) {
+ if (GetRecoParam()->RecoverTracks()) {
// work on a copy of the track if this station is not required
// to keep the case where no cluster is reconstructed as a possible candidate
- if (!AliMUONReconstructor::GetRecoParam()->RequestStation(station)) {
+ if (!GetRecoParam()->RequestStation(station)) {
track = new ((*fRecTracksPtr)[fRecTracksPtr->GetLast()+1]) AliMUONTrack(*track);
fNRecTracks++;
}
fNRecTracks--;
}
- } else if (AliMUONReconstructor::GetRecoParam()->RequestStation(station)) {
+ } else if (GetRecoParam()->RequestStation(station)) {
// remove track if no cluster found
fRecTracksPtr->Remove(track);
fNRecTracks--;
fRecTracksPtr->Compress();
// Keep only the best tracks if required
- if (!AliMUONReconstructor::GetRecoParam()->TrackAllTracks()) RemoveDoubleTracks();
+ if (!GetRecoParam()->TrackAllTracks()) RemoveDoubleTracks();
}
}
// save parameters from fit into smoothed parameters to complete track afterward
- if (AliMUONReconstructor::GetRecoParam()->ComplementTracks()) {
+ if (GetRecoParam()->ComplementTracks()) {
trackParam = (AliMUONTrackParam*) track->GetTrackParamAtCluster()->First();
if (trackParam->GetClusterPtr()->GetChamberId() < 2) {
AliDebug(1,Form("Enter FollowTrackInChamber(1..) %d", nextChamber+1));
Double_t chi2WithOneCluster = 1.e10;
- Double_t maxChi2WithOneCluster = 2. * AliMUONReconstructor::GetRecoParam()->GetSigmaCutForTracking() *
- AliMUONReconstructor::GetRecoParam()->GetSigmaCutForTracking(); // 2 because 2 quantities in chi2
+ Double_t maxChi2WithOneCluster = 2. * GetRecoParam()->GetSigmaCutForTracking() *
+ GetRecoParam()->GetSigmaCutForTracking(); // 2 because 2 quantities in chi2
Double_t bestChi2WithOneCluster = maxChi2WithOneCluster;
Bool_t foundOneCluster = kFALSE;
AliMUONTrack *newTrack = 0x0;
// Ask the clustering to reconstruct new clusters around the track position in the current chamber
// except for station 4 and 5 that are already entirely clusterized
- if (AliMUONReconstructor::GetRecoParam()->CombineClusterTrackReco()) {
+ if (GetRecoParam()->CombineClusterTrackReco()) {
if (nextChamber < 6) AskForNewClustersInChamber(extrapTrackParamAtCh, clusterStore, nextChamber);
}
cluster->Print();
}
- if (AliMUONReconstructor::GetRecoParam()->TrackAllTracks()) {
+ if (GetRecoParam()->TrackAllTracks()) {
// copy trackCandidate into a new track put at the end of fRecTracksPtr and add the new cluster
newTrack = new ((*fRecTracksPtr)[fRecTracksPtr->GetLast()+1]) AliMUONTrack(trackCandidate);
UpdateTrack(*newTrack,extrapTrackParamAtCluster);
}
// fill out the best track if required else clean up the fRecTracksPtr array
- if (!AliMUONReconstructor::GetRecoParam()->TrackAllTracks()) {
+ if (!GetRecoParam()->TrackAllTracks()) {
if (foundOneCluster) {
UpdateTrack(trackCandidate,bestTrackParamAtCluster);
Double_t chi2WithOneCluster = 1.e10;
Double_t chi2WithTwoClusters = 1.e10;
- Double_t maxChi2WithOneCluster = 2. * AliMUONReconstructor::GetRecoParam()->GetSigmaCutForTracking() *
- AliMUONReconstructor::GetRecoParam()->GetSigmaCutForTracking(); // 2 because 2 quantities in chi2
- Double_t maxChi2WithTwoClusters = 4. * AliMUONReconstructor::GetRecoParam()->GetSigmaCutForTracking() *
- AliMUONReconstructor::GetRecoParam()->GetSigmaCutForTracking(); // 4 because 4 quantities in chi2
+ Double_t maxChi2WithOneCluster = 2. * GetRecoParam()->GetSigmaCutForTracking() *
+ GetRecoParam()->GetSigmaCutForTracking(); // 2 because 2 quantities in chi2
+ Double_t maxChi2WithTwoClusters = 4. * GetRecoParam()->GetSigmaCutForTracking() *
+ GetRecoParam()->GetSigmaCutForTracking(); // 4 because 4 quantities in chi2
Double_t bestChi2WithOneCluster = maxChi2WithOneCluster;
Double_t bestChi2WithTwoClusters = maxChi2WithTwoClusters;
Bool_t foundOneCluster = kFALSE;
// Ask the clustering to reconstruct new clusters around the track position in the current station
// except for station 4 and 5 that are already entirely clusterized
- if (AliMUONReconstructor::GetRecoParam()->CombineClusterTrackReco()) {
+ if (GetRecoParam()->CombineClusterTrackReco()) {
if (nextStation < 3) AskForNewClustersInStation(extrapTrackParamAtCh, clusterStore, nextStation);
}
clusterCh1->Print();
}
- if (AliMUONReconstructor::GetRecoParam()->TrackAllTracks()) {
+ if (GetRecoParam()->TrackAllTracks()) {
// copy trackCandidate into a new track put at the end of fRecTracksPtr and add the new clusters
newTrack = new ((*fRecTracksPtr)[fRecTracksPtr->GetLast()+1]) AliMUONTrack(trackCandidate);
UpdateTrack(*newTrack,extrapTrackParamAtCluster1,extrapTrackParamAtCluster2);
if (!foundSecondCluster) {
foundOneCluster = kTRUE;
- if (AliMUONReconstructor::GetRecoParam()->TrackAllTracks()) {
+ if (GetRecoParam()->TrackAllTracks()) {
// copy trackCandidate into a new track put at the end of fRecTracksPtr and add the new cluster
newTrack = new ((*fRecTracksPtr)[fRecTracksPtr->GetLast()+1]) AliMUONTrack(trackCandidate);
UpdateTrack(*newTrack,extrapTrackParamAtCluster2);
// look for candidates in chamber 1 not already attached to a track
// if we want to keep all possible tracks or if no good couple of clusters has been found
- if (AliMUONReconstructor::GetRecoParam()->TrackAllTracks() || !foundTwoClusters) {
+ if (GetRecoParam()->TrackAllTracks() || !foundTwoClusters) {
// add MCS effect for next step
AliMUONTrackExtrap::AddMCSEffect(&extrapTrackParamAtCh,AliMUONConstants::ChamberThicknessInX0(),1.);
clusterCh1->Print();
}
- if (AliMUONReconstructor::GetRecoParam()->TrackAllTracks()) {
+ if (GetRecoParam()->TrackAllTracks()) {
// copy trackCandidate into a new track put at the end of fRecTracksPtr and add the new cluster
newTrack = new ((*fRecTracksPtr)[fRecTracksPtr->GetLast()+1]) AliMUONTrack(trackCandidate);
UpdateTrack(*newTrack,extrapTrackParamAtCluster1);
}
// fill out the best track if required else clean up the fRecTracksPtr array
- if (!AliMUONReconstructor::GetRecoParam()->TrackAllTracks()) {
+ if (!GetRecoParam()->TrackAllTracks()) {
if (foundTwoClusters) {
UpdateTrack(trackCandidate,bestTrackParamAtCluster1,bestTrackParamAtCluster2);
deltaY*deltaY / cluster->GetErrY2();
// Flag cluster as being not removable
- if (AliMUONReconstructor::GetRecoParam()->RequestStation(cluster->GetChamberId()/2))
+ if (GetRecoParam()->RequestStation(cluster->GetChamberId()/2))
trackParamAtCluster.SetRemovable(kFALSE);
else trackParamAtCluster.SetRemovable(kTRUE);
trackParamAtCluster.SetLocalChi2(0.); // --> Local chi2 not used
if (!trackParamAtCluster->IsRemovable()) return kFALSE;
// reset the current cluster as beig not removable if it is on a required station
- if (AliMUONReconstructor::GetRecoParam()->RequestStation(nextStation+1)) trackParamAtCluster->SetRemovable(kFALSE);
+ if (GetRecoParam()->RequestStation(nextStation+1)) trackParamAtCluster->SetRemovable(kFALSE);
// Pick up cluster with the worst chi2
localChi2 = trackParamAtCluster->GetLocalChi2();
/// the "trackCandidate" to do not influence the result by changing track resolution at vertex
AliDebug(1,"Enter SetVertexForFit");
- Double_t nonBendingReso2 = AliMUONReconstructor::GetRecoParam()->GetNonBendingVertexDispersion() *
- AliMUONReconstructor::GetRecoParam()->GetNonBendingVertexDispersion();
- Double_t bendingReso2 = AliMUONReconstructor::GetRecoParam()->GetBendingVertexDispersion() *
- AliMUONReconstructor::GetRecoParam()->GetBendingVertexDispersion();
+ Double_t nonBendingReso2 = GetRecoParam()->GetNonBendingVertexDispersion() *
+ GetRecoParam()->GetNonBendingVertexDispersion();
+ Double_t bendingReso2 = GetRecoParam()->GetBendingVertexDispersion() *
+ GetRecoParam()->GetBendingVertexDispersion();
// add multiple scattering effets
AliMUONTrackParam paramAtVertex(*((AliMUONTrackParam*)(trackCandidate.GetTrackParamAtCluster()->First())));
// Set fitted parameters (!! The order is very important for the covariance matrix !!)
// Mandatory limits to avoid NaN values of parameters
trackParam = (AliMUONTrackParam*) (track.GetTrackParamAtCluster()->First());
- Double_t maxIBM = 1. / AliMUONReconstructor::GetRecoParam()->GetMinBendingMomentum();
+ Double_t maxIBM = 1. / GetRecoParam()->GetMinBendingMomentum();
gMinuit->mnparm(0, "X", trackParam->GetNonBendingCoor(), 0.03, -500.0, 500.0, status);
gMinuit->mnparm(1, "NonBenS", trackParam->GetNonBendingSlope(), 0.001, -1., 1., status);
gMinuit->mnparm(2, "Y", trackParam->GetBendingCoor(), 0.10, -500.0, 500.0, status);
Int_t chamberId, detElemId;
Double_t chi2OfCluster, bestChi2OfCluster;
- Double_t sigmaCut2 = AliMUONReconstructor::GetRecoParam()->GetSigmaCutForTracking() *
- AliMUONReconstructor::GetRecoParam()->GetSigmaCutForTracking();
+ Double_t sigmaCut2 = GetRecoParam()->GetSigmaCutForTracking() *
+ GetRecoParam()->GetSigmaCutForTracking();
Bool_t foundOneCluster, trackModified;
AliMUONVCluster* cluster;
AliMUONTrackParam *trackParam, *nextTrackParam, copyOfTrackParam, trackParamAtCluster, bestTrackParamAtCluster;
Double_t localChi2, worstLocalChi2;
AliMUONTrackParam *trackParamAtCluster, *worstTrackParamAtCluster;
- Double_t sigmaCut2 = AliMUONReconstructor::GetRecoParam()->GetSigmaCutForImprovement() *
- AliMUONReconstructor::GetRecoParam()->GetSigmaCutForImprovement();
+ Double_t sigmaCut2 = GetRecoParam()->GetSigmaCutForImprovement() *
+ GetRecoParam()->GetSigmaCutForImprovement();
while (!track.IsImproved()) {
// identify removable clusters
- track.TagRemovableClusters();
+ track.TagRemovableClusters(GetRecoParam()->RequestedStationMask());
// Update track parameters and covariances
track.UpdateCovTrackParamAtCluster();
}
//__________________________________________________________________________
-Bool_t AliMUONTrackReconstructor::RefitTrack(AliMUONTrack &track)
+Bool_t AliMUONTrackReconstructor::RefitTrack(AliMUONTrack &track, Bool_t enableImprovement)
{
/// re-fit the given track
// check validity of the track
- if (!track.IsValid()) {
+ if (track.GetNClusters() < 3) {
AliWarning("the track does not contain enough clusters --> unable to refit");
return kFALSE;
}
Fit(track, kTRUE, kFALSE, kTRUE);
// Improve the reconstructed tracks if required
- if (AliMUONReconstructor::GetRecoParam()->ImproveTracks()) ImproveTrack(track);
+ track.SetImproved(kFALSE);
+ if (enableImprovement && GetRecoParam()->ImproveTracks()) ImproveTrack(track);
// Fill AliMUONTrack data members
FinalizeTrack(track);
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff