ClassImp(AliTRDtrackerV1::AliTRDLeastSquare)
ClassImp(AliTRDtrackerV1::AliTRDtrackFitterRieman)
-const Float_t AliTRDtrackerV1::fgkMinClustersInTrack = 0.5; //
-const Float_t AliTRDtrackerV1::fgkLabelFraction = 0.8; //
-const Double_t AliTRDtrackerV1::fgkMaxChi2 = 12.0; //
-const Double_t AliTRDtrackerV1::fgkMaxSnp = 0.95; // Maximum local sine of the azimuthal angle
-const Double_t AliTRDtrackerV1::fgkMaxStep = 2.0; // Maximal step size in propagation
+AliTRDtrackerV1::ETRDtrackerV1BetheBloch AliTRDtrackerV1::fgBB = AliTRDtrackerV1::kGeant;
Double_t AliTRDtrackerV1::fgTopologicQA[kNConfigs] = {
0.5112, 0.5112, 0.5112, 0.0786, 0.0786,
0.0786, 0.0786, 0.0579, 0.0579, 0.0474,
};
const Double_t AliTRDtrackerV1::fgkX0[kNPlanes] = {
300.2, 312.8, 325.4, 338.0, 350.6, 363.2};
+// Number of Time Bins/chamber should be also stored independently by the traker
+// (also in AliTRDReconstructor) in oder to be able to run HLT. Fix TODO
Int_t AliTRDtrackerV1::fgNTimeBins = 0;
AliRieman* AliTRDtrackerV1::fgRieman = NULL;
TLinearFitter* AliTRDtrackerV1::fgTiltedRieman = NULL;
TLinearFitter* AliTRDtrackerV1::fgTiltedRiemanConstrained = NULL;
//____________________________________________________________________
-AliTRDtrackerV1::AliTRDtrackerV1(AliTRDReconstructor *rec)
+AliTRDtrackerV1::AliTRDtrackerV1(const AliTRDReconstructor *rec)
:AliTracker()
,fkReconstructor(NULL)
,fkRecoParam(NULL)
,fTracks(NULL)
,fTracksESD(NULL)
,fSieveSeeding(0)
+ ,fEventInFile(-1)
{
//
// Default constructor.
if (!fgNTimeBins) fgNTimeBins = fkReconstructor->GetNTimeBins();
// Define scalers
- Int_t nFound = 0, // number of tracks found
- nBacked = 0, // number of tracks backed up for refit
- nSeeds = 0, // total number of ESD seeds
- nTRDseeds= 0, // number of seeds in the TRD acceptance
- nTPCseeds= 0; // number of TPC seeds
+ const Int_t nSeeders(2);
+ Int_t nFound[nSeeders] = {0}, // number of tracks found
+ nBacked = 0, // number of tracks backed up for refit
+ nSeeds = 0, // total number of ESD seeds
+ nTRDseeds = 0, // number of seeds in the TRD acceptance
+ nSeeder[nSeeders]= {0}, // number of ITS/TPC potential seeds
+ nGoodSeeds[nSeeders]= {0}; // number of ITS/TPC found seeds
Float_t foundMin = 20.0;
-
- Float_t *quality = NULL;
- Int_t *index = NULL;
+ const Char_t *seeder[] = {"ITS", "TPC"};
+ Float_t *quality[nSeeders] = {0};
+ Int_t *index[nSeeders] = {0},
+ *idxESD[nSeeders] = {0}; // esd index of track
+ fEventInFile = event->GetEventNumberInFile();
nSeeds = event->GetNumberOfTracks();
// Sort tracks according to quality
// (covariance in the yz plane)
if(nSeeds){
- quality = new Float_t[nSeeds];
- index = new Int_t[nSeeds];
- for (Int_t iSeed = nSeeds; iSeed--;) {
+ // first check TPC seeds
+ quality[1] = new Float_t[nSeeds]; memset(quality[1], 0, nSeeds*sizeof(Float_t));
+ idxESD[1] = new Int_t[nSeeds];
+ for (Int_t iSeed(nSeeds); iSeed--;) {
AliESDtrack *seed = event->GetTrack(iSeed);
+ if(!(seed->GetStatus()&AliESDtrack::kTPCout)) continue;
Double_t covariance[15];
seed->GetExternalCovariance(covariance);
- quality[iSeed] = covariance[0] + covariance[2];
+ idxESD[1][nSeeder[1]] = iSeed;
+ quality[1][nSeeder[1]] = covariance[0] + covariance[2];
+ nSeeder[1]++;
}
- TMath::Sort(nSeeds, quality, index,kFALSE);
+ index[1] = new Int_t[4*nSeeder[1]];
+ TMath::Sort(nSeeder[1], quality[1], index[1], kFALSE);
+ // second check rest of tracks for ITS seeds
+ quality[0] = new Float_t[nSeeds]; memset(quality[0], 0, nSeeds*sizeof(Float_t));
+ idxESD[0] = new Int_t[nSeeds];
+ for (Int_t iSeed(nSeeds); iSeed--;) {
+ AliESDtrack *seed = event->GetTrack(iSeed);
+ if((seed->GetStatus()&AliESDtrack::kTPCout)) continue;
+ Double_t covariance[15];
+ seed->GetExternalCovariance(covariance);
+ idxESD[0][nSeeder[0]] = iSeed;
+ quality[0][nSeeder[0]] = covariance[0] + covariance[2];
+ nSeeder[0]++;
+ }
+ index[0] = new Int_t[4*nSeeder[0]];
+ TMath::Sort(nSeeder[0], quality[0], index[0], kFALSE);
}
-
+
// Propagate all seeds
Int_t expectedClr;
AliTRDtrackV1 track;
- for (Int_t iSeed = 0; iSeed < nSeeds; iSeed++) {
-
- // Get the seeds in sorted sequence
- AliESDtrack *seed = event->GetTrack(index[iSeed]);
- Float_t p4 = seed->GetC(seed->GetBz());
-
- // Check the seed status
- ULong_t status = seed->GetStatus();
- if ((status & AliESDtrack::kTPCout) == 0) continue;
- if ((status & AliESDtrack::kTRDout) != 0) continue;
-
- // Propagate to the entrance in the TRD mother volume
- new(&track) AliTRDtrackV1(*seed);
- if(AliTRDgeometry::GetXtrdBeg() > (fgkMaxStep + track.GetX()) && !PropagateToX(track, AliTRDgeometry::GetXtrdBeg(), fgkMaxStep)){
- seed->UpdateTrackParams(&track, AliESDtrack::kTRDStop);
- continue;
- }
- if(!AdjustSector(&track)){
- seed->UpdateTrackParams(&track, AliESDtrack::kTRDStop);
- continue;
- }
- if(TMath::Abs(track.GetSnp()) > fgkMaxSnp) {
- seed->UpdateTrackParams(&track, AliESDtrack::kTRDStop);
- continue;
- }
-
- nTPCseeds++;
-
- // store track status at TRD entrance
- seed->UpdateTrackParams(&track, AliESDtrack::kTRDbackup);
+ for(Int_t iSeeder(nSeeders); iSeeder--;){
+ for (Int_t iSeed = 0; iSeed < nSeeder[iSeeder]; iSeed++) {
+ Int_t currentIndexESD = idxESD[iSeeder][index[iSeeder][iSeed]];
+ // Get the seeds in sorted sequence
+ AliESDtrack *seed = event->GetTrack(currentIndexESD);
+ Float_t p4 = seed->GetC(seed->GetBz());
+
+ // Check the seed status
+ ULong_t status(seed->GetStatus()); Bool_t kTPC(kTRUE);
+ if ((status & AliESDtrack::kTRDout) != 0) continue;
+ if (status & AliESDtrack::kTPCout){
+ AliDebug(2, Form("Found TPC seed @ idx[%4d] Sxy=%f[cm].", currentIndexESD, TMath::Sqrt(quality[iSeeder][index[iSeeder][iSeed]])));
+ // set steering parameters for TPC
+ //fkRecoParam->SetTrackParam(kTPC);
+ } else {
+ if (status & AliESDtrack::kITSout){
+ // rotate
+ Float_t globalToTracking = AliTRDgeometry::GetAlpha()*(Int_t(seed->GetAlpha()/AliTRDgeometry::GetAlpha()) + (seed->GetAlpha()>0. ? 0.5 : -0.5));
+ AliDebug(2, Form("Found ITS seed @ idx[%4d] Sxy=%f[cm] alpha=%7.2f[deg] g2T=%7.2f[deg]", currentIndexESD, TMath::Sqrt(quality[iSeeder][index[iSeeder][iSeed]]), seed->GetAlpha()*TMath::RadToDeg(), globalToTracking*TMath::RadToDeg()));
+ if(!seed->Rotate(globalToTracking)){
+ AliDebug(1, Form("ITS seed @ idx[%4d] failed rotation of alpha=%7.2f[deg] g2T=%7.2f[deg].", currentIndexESD, seed->GetAlpha()*TMath::RadToDeg(), globalToTracking*TMath::RadToDeg()));
+ continue;
+ }
+ kTPC=kFALSE;
+ // set steering parameters for ITS
+ //fkRecoParam->SetTrackParam(kITS);
+ } else {
+ AliDebug(1, Form("Bad seed[%4d] ITSin[%c] ITSout[%c] TPCin[%c] TPCout[%c].", currentIndexESD,
+ (status&AliESDtrack::kITSin)?'y':'n', (status&AliESDtrack::kITSout)?'y':'n', (status&AliESDtrack::kTPCin)?'y':'n', (status&AliESDtrack::kTPCout)?'y':'n'));
+ continue;
+ }
+ }
- // prepare track and do propagation in the TRD
- track.SetReconstructor(fkReconstructor);
- track.SetKink(Bool_t(seed->GetKinkIndex(0)));
- track.SetPrimary(status & AliESDtrack::kTPCin);
- expectedClr = FollowBackProlongation(track);
- // check if track entered the TRD fiducial volume
- if(track.GetTrackIn()){
- seed->UpdateTrackParams(&track, AliESDtrack::kTRDin);
- nTRDseeds++;
- }
- // check if track was stopped in the TRD
- if (expectedClr<0){
- seed->UpdateTrackParams(&track, AliESDtrack::kTRDStop);
- continue;
- }
+ // Propagate to the entrance in the TRD mother volume
+ track.~AliTRDtrackV1();
+ new(&track) AliTRDtrackV1(*seed);
+ if(AliTRDgeometry::GetXtrdBeg() > (AliTRDReconstructor::GetMaxStep() + track.GetX()) && !PropagateToX(track, AliTRDgeometry::GetXtrdBeg(), AliTRDReconstructor::GetMaxStep())){
+ //seed->UpdateTrackParams(&track, AliESDtrack::kTRDStop);
+ continue;
+ }
+ if(!AdjustSector(&track)){
+ //seed->UpdateTrackParams(&track, AliESDtrack::kTRDStop);
+ continue;
+ }
+ if(TMath::Abs(track.GetSnp()) > AliTRDReconstructor::GetMaxSnp()) {
+ //seed->UpdateTrackParams(&track, AliESDtrack::kTRDStop);
+ continue;
+ }
+ AliDebug(2, Form("Propagate %s seed[%4d] ESDidx[%4d].", seeder[iSeeder], iSeed, currentIndexESD));
+ nGoodSeeds[iSeeder]++;
+ // store track status at TRD entrance
+ seed->UpdateTrackParams(&track, AliESDtrack::kTRDbackup);
- if(expectedClr){
- nFound++;
- // computes PID for track
- track.CookPID();
- // update calibration references using this track
- if(calibra->GetHisto2d()) calibra->UpdateHistogramsV1(&track);
+ // prepare track and do propagation in the TRD
+ track.SetReconstructor(fkReconstructor);
+ track.SetKink(Bool_t(seed->GetKinkIndex(0)));
+ track.SetPrimary(status & AliESDtrack::kTPCin);
+ track.SetNonTPCseeded(!kTPC);
+ expectedClr = FollowBackProlongation(track);
// save calibration object
- if (fkRecoParam->GetStreamLevel(AliTRDrecoParam::kTracker) > 0) {
+ if (fkRecoParam->GetStreamLevel(AliTRDrecoParam::kTracker) > 0) {
AliTRDtrackV1 *calibTrack = new AliTRDtrackV1(track);
calibTrack->SetOwner();
seed->AddCalibObject(calibTrack);
}
- //update ESD track
- seed->UpdateTrackParams(&track, AliESDtrack::kTRDout);
- track.UpdateESDtrack(seed);
- }
+ // printf("track idx[%4d] nCl[%3d] TrkIn[%p]\n", index[iSeed], expectedClr, (void*)track.GetTrackIn());
+
+ // check if track entered the TRD fiducial volume
+ if(!track.GetTrackIn()){
+ AliDebug(2, Form("TRD missed by %s seed[%4d] ESDidx[%4d].", seeder[iSeeder], iSeed, currentIndexESD));
+ continue;
+ }
+ seed->UpdateTrackParams(&track, AliESDtrack::kTRDin);
+ nTRDseeds++;
- if ((TMath::Abs(track.GetC(track.GetBz()) - p4) / TMath::Abs(p4) < 0.2) ||(track.Pt() > 0.8)) {
+ // check if track was stopped in the TRD
+ if(expectedClr==-999){
+ AliDebug(1, Form("Track @ idx[%4d] failed prolongation due to track error [%d]", currentIndexESD, track.GetStatusTRD()));
+ continue;
+ } else if(expectedClr==0){
+ AliDebug(1, Form("Track @ idx[%4d] failed prolongation due to layer error [%d %d %d %d %d %d]", currentIndexESD,
+ track.GetStatusTRD(0), track.GetStatusTRD(1), track.GetStatusTRD(2), track.GetStatusTRD(3), track.GetStatusTRD(4), track.GetStatusTRD(5)));
+ continue;
+ } else {
+ AliDebug(2, Form("Track @ idx[%4d] #cl[%3d]", currentIndexESD, track.GetNumberOfClusters()));
+ nFound[kTPC]++;
+ // compute PID
+ track.CookPID();
+ //compute MC label
+ track.CookLabel(1. - AliTRDReconstructor::GetLabelFraction());
+ // update calibration references using this track
+ if(calibra->GetHisto2d()) calibra->UpdateHistogramsV1(&track);
+ //update ESD track
+ seed->UpdateTrackParams(&track, expectedClr>0?AliESDtrack::kTRDout:AliESDtrack::kTRDStop);
+ seed->SetTRDBudget(track.GetBudget(0));
+ track.UpdateESDtrack(seed);
+ if(expectedClr<0) continue;
+ }
// Make backup for back propagation
- Int_t foundClr = track.GetNumberOfClusters();
- if (foundClr >= foundMin) {
- track.CookLabel(1. - fgkLabelFraction);
- //if(track.GetBackupTrack()) UseClusters(track.GetBackupTrack());
-
- // Sign only gold tracks
- if (track.GetChi2() / track.GetNumberOfClusters() < 4) {
- //if ((seed->GetKinkIndex(0) == 0) && (track.Pt() < 1.5)) UseClusters(&track);
- }
- Bool_t isGold = kFALSE;
-
- // Full gold track
- if (track.GetChi2() / track.GetNumberOfClusters() < 5) {
- if (track.GetBackupTrack()) seed->UpdateTrackParams(track.GetBackupTrack(),AliESDtrack::kTRDbackup);
- nBacked++;
- isGold = kTRUE;
- }
-
- // Almost gold track
- if ((!isGold) && (track.GetNCross() == 0) && (track.GetChi2() / track.GetNumberOfClusters() < 7)) {
- //seed->UpdateTrackParams(track, AliESDtrack::kTRDbackup);
- if (track.GetBackupTrack()) seed->UpdateTrackParams(track.GetBackupTrack(),AliESDtrack::kTRDbackup);
- nBacked++;
- isGold = kTRUE;
- }
-
- if ((!isGold) && (track.GetBackupTrack())) {
- if ((track.GetBackupTrack()->GetNumberOfClusters() > foundMin) && ((track.GetBackupTrack()->GetChi2()/(track.GetBackupTrack()->GetNumberOfClusters()+1)) < 7)) {
- seed->UpdateTrackParams(track.GetBackupTrack(),AliESDtrack::kTRDbackup);
+ if ((TMath::Abs(track.GetC(track.GetBz()) - p4) / TMath::Abs(p4) < 0.2) || (track.Pt() > 0.8)) {
+ Int_t foundClr = track.GetNumberOfClusters();
+ if (foundClr >= foundMin) {
+ //if(track.GetBackupTrack()) UseClusters(track.GetBackupTrack());
+
+ // Sign only gold tracks
+ if (track.GetChi2() / track.GetNumberOfClusters() < 4) {
+ //if ((seed->GetKinkIndex(0) == 0) && (track.Pt() < 1.5)) UseClusters(&track);
+ }
+ Bool_t isGold = kFALSE;
+
+ // Full gold track
+ if (track.GetChi2() / track.GetNumberOfClusters() < 5) {
+ if (track.GetBackupTrack()) seed->UpdateTrackParams(track.GetBackupTrack(),AliESDtrack::kTRDbackup);
nBacked++;
isGold = kTRUE;
}
+
+ // Almost gold track
+ if ((!isGold) && (track.GetNCross() == 0) && (track.GetChi2() / track.GetNumberOfClusters() < 7)) {
+ //seed->UpdateTrackParams(track, AliESDtrack::kTRDbackup);
+ if (track.GetBackupTrack()) seed->UpdateTrackParams(track.GetBackupTrack(),AliESDtrack::kTRDbackup);
+ nBacked++;
+ isGold = kTRUE;
+ }
+
+ if ((!isGold) && (track.GetBackupTrack())) {
+ if ((track.GetBackupTrack()->GetNumberOfClusters() > foundMin) && ((track.GetBackupTrack()->GetChi2()/(track.GetBackupTrack()->GetNumberOfClusters()+1)) < 7)) {
+ seed->UpdateTrackParams(track.GetBackupTrack(),AliESDtrack::kTRDbackup);
+ nBacked++;
+ isGold = kTRUE;
+ }
+ }
}
}
- }
-
- // Propagation to the TOF
- if(!(seed->GetStatus()&AliESDtrack::kTRDStop)) {
- Int_t sm = track.GetSector();
- // default value in case we have problems with the geometry.
- Double_t xtof = 371.;
- //Calculate radial position of the beginning of the TOF
- //mother volume. In order to avoid mixing of the TRD
- //and TOF modules some hard values are needed. This are:
- //1. The path to the TOF module.
- //2. The width of the TOF (29.05 cm)
- //(with the help of Annalisa de Caro Mar-17-2009)
- if(gGeoManager){
- gGeoManager->cd(Form("/ALIC_1/B077_1/BSEGMO%d_1/BTOF%d_1", sm, sm));
- TGeoHMatrix *m = NULL;
- Double_t loc[]={0., 0., -.5*29.05}, glob[3];
-
- if((m=gGeoManager->GetCurrentMatrix())){
- m->LocalToMaster(loc, glob);
- xtof = TMath::Sqrt(glob[0]*glob[0]+glob[1]*glob[1]);
+
+ // Propagation to the TOF
+ if(!(seed->GetStatus()&AliESDtrack::kTRDStop)) {
+ Int_t sm = track.GetSector();
+ // default value in case we have problems with the geometry.
+ Double_t xtof = 371.;
+ //Calculate radial position of the beginning of the TOF
+ //mother volume. In order to avoid mixing of the TRD
+ //and TOF modules some hard values are needed. This are:
+ //1. The path to the TOF module.
+ //2. The width of the TOF (29.05 cm)
+ //(with the help of Annalisa de Caro Mar-17-2009)
+ if(gGeoManager){
+ gGeoManager->cd(Form("/ALIC_1/B077_1/BSEGMO%d_1/BTOF%d_1", sm, sm));
+ TGeoHMatrix *m = NULL;
+ Double_t loc[]={0., 0., -.5*29.05}, glob[3];
+
+ if((m=gGeoManager->GetCurrentMatrix())){
+ m->LocalToMaster(loc, glob);
+ xtof = TMath::Sqrt(glob[0]*glob[0]+glob[1]*glob[1]);
+ }
}
+ if(xtof > (AliTRDReconstructor::GetMaxStep() + track.GetX()) && !PropagateToX(track, xtof, AliTRDReconstructor::GetMaxStep())){
+ seed->UpdateTrackParams(&track, AliESDtrack::kTRDStop);
+ continue;
+ }
+ if(!AdjustSector(&track)){
+ seed->UpdateTrackParams(&track, AliESDtrack::kTRDStop);
+ continue;
+ }
+ if(TMath::Abs(track.GetSnp()) > AliTRDReconstructor::GetMaxSnp()){
+ seed->UpdateTrackParams(&track, AliESDtrack::kTRDStop);
+ continue;
+ }
+ //seed->UpdateTrackParams(&track, AliESDtrack::kTRDout);
+ // TODO obsolete - delete
+ seed->SetTRDQuality(track.StatusForTOF());
}
- if(xtof > (fgkMaxStep + track.GetX()) && !PropagateToX(track, xtof, fgkMaxStep)){
- seed->UpdateTrackParams(&track, AliESDtrack::kTRDStop);
- continue;
- }
- if(!AdjustSector(&track)){
- seed->UpdateTrackParams(&track, AliESDtrack::kTRDStop);
- continue;
- }
- if(TMath::Abs(track.GetSnp()) > fgkMaxSnp){
- seed->UpdateTrackParams(&track, AliESDtrack::kTRDStop);
- continue;
- }
- //seed->UpdateTrackParams(&track, AliESDtrack::kTRDout);
- // TODO obsolete - delete
- seed->SetTRDQuality(track.StatusForTOF());
}
- seed->SetTRDBudget(track.GetBudget(0));
+ if(index[iSeeder]) delete [] index[iSeeder];
+ if(idxESD[iSeeder]) delete [] idxESD[iSeeder];
+ if(quality[iSeeder]) delete [] quality[iSeeder];
}
- if(index) delete [] index;
- if(quality) delete [] quality;
- AliInfo(Form("Number of seeds: TPCout[%d] TRDin[%d]", nTPCseeds, nTRDseeds));
- AliInfo(Form("Number of tracks: TRDout[%d] TRDbackup[%d]", nFound, nBacked));
+ AliInfo(Form("Number of seeds: ITSout[%4d] TPCout[%4d] TRDin[%4d]", nGoodSeeds[0], nGoodSeeds[1], nTRDseeds));
+ AliInfo(Form("Number of tracks: TRDout[%4d = %4d + %4d] TRDbackup[%4d]", nFound[0]+nFound[1], nFound[0], nFound[1], nBacked));
// run stand alone tracking
if (fkReconstructor->IsSeeding()) Clusters2Tracks(event);
// do the propagation and processing
Bool_t kUPDATE = kFALSE;
- Double_t xTPC = 250.0;
+ Double_t xToGo = (status & AliESDtrack::kTPCout)?250.0:80.0;
if(FollowProlongation(track)){
// Update the friend track
if (fkRecoParam->GetStreamLevel(AliTRDrecoParam::kTracker) > 0){
}
// Prolongate to TPC
- if (PropagateToX(track, xTPC, fgkMaxStep)) { // -with update
+ if (PropagateToX(track, xToGo, AliTRDReconstructor::GetMaxStep())) { // -with update
seed->UpdateTrackParams(&track, AliESDtrack::kTRDrefit);
found++;
kUPDATE = kTRUE;
// Prolongate to TPC without update
if(!kUPDATE) {
AliTRDtrackV1 tt(*seed);
- if (PropagateToX(tt, xTPC, fgkMaxStep)) seed->UpdateTrackParams(&tt, AliESDtrack::kTRDbackup);
+ if (PropagateToX(tt, xToGo, AliTRDReconstructor::GetMaxStep())) seed->UpdateTrackParams(&tt, AliESDtrack::kTRDbackup);
}
}
AliInfo(Form("Number of seeds: TRDout[%d]", nseed));
}
Double_t x = tracklet->GetX();//GetX0();
// reject tracklets which are not considered for inward refit
- if(x > t.GetX()+fgkMaxStep) continue;
-
+ if(x > t.GetX()+AliTRDReconstructor::GetMaxStep()){
+ AliDebug(2, Form("Reject x[%7.3f] > track[%7.3f]", x, t.GetX()+AliTRDReconstructor::GetMaxStep()));
+ continue;
+ }
// append tracklet to track
t.SetTracklet(tracklet, index);
- if (x < (t.GetX()-fgkMaxStep) && !PropagateToX(t, x+fgkMaxStep, fgkMaxStep)) break;
+ if (x < (t.GetX()-AliTRDReconstructor::GetMaxStep()) && !PropagateToX(t, x+AliTRDReconstructor::GetMaxStep(), AliTRDReconstructor::GetMaxStep())) break;
if (!AdjustSector(&t)) break;
// Start global position
Int_t debugLevel = fkReconstructor->IsDebugStreaming() ? fkRecoParam->GetStreamLevel(AliTRDrecoParam::kTracker) : 0;
TTreeSRedirector *cstreamer = fkReconstructor->IsDebugStreaming() ? fkReconstructor->GetDebugStream(AliTRDrecoParam::kTracker) : 0x0;
- Bool_t kStoreIn(kTRUE), //
- kPropagateIn(kTRUE), //
+ Bool_t kStoreIn(kTRUE), // toggel store track params. at TRD entry
kStandAlone(kFALSE), // toggle tracker awarness of stand alone seeding
kUseTRD(fkRecoParam->IsOverPtThreshold(t.Pt()));// use TRD measurment to update Kalman
// Loop through the TRD layers
TGeoHMatrix *matrix = NULL;
- Double_t x, y, z;
+ Double_t x(0.), y(0.), z(0.);
for (Int_t ily=startLayer, sm=-1, stk=-1, det=-1; ily < AliTRDgeometry::kNlayer; ily++) {
AliDebug(2, Form("Propagate to x[%d] = %7.2f", ily, fR[ily]));
// rough estimate of the entry point
if (!t.GetProlongation(fR[ily], y, z)){
- n=-1;
- t.SetStatus(AliTRDtrackV1::kProlongation);
+ n= n?-n:-999;
+ t.SetErrStat(AliTRDtrackV1::kProlongation);
AliDebug(4, Form("Failed Rough Prolongation to ly[%d] x[%7.2f] y[%7.2f] z[%7.2f]", ily, fR[ily], y, z));
break;
}
stk = fGeom->GetStack(z, ily);
det = stk>=0 ? AliTRDgeometry::GetDetector(ily, stk, sm) : -1;
matrix = det>=0 ? fGeom->GetClusterMatrix(det) : NULL;
- AliDebug(3, Form("Propagate to det[%3d]", det));
// check if supermodule/chamber is installed
if( !fGeom->GetSMstatus(sm) ||
!matrix ){
AliDebug(4, Form("Missing Geometry ly[%d]. Guess radial position", ily));
// propagate to the default radial position
- if(fR[ily] > (fgkMaxStep + t.GetX()) && !PropagateToX(t, fR[ily], fgkMaxStep)){
- n=-1;
- t.SetStatus(AliTRDtrackV1::kPropagation);
+ if(fR[ily] > (AliTRDReconstructor::GetMaxStep() + t.GetX()) && !PropagateToX(t, fR[ily], AliTRDReconstructor::GetMaxStep())){
+ n= n?-n:-999;
+ t.SetErrStat(AliTRDtrackV1::kPropagation);
AliDebug(4, "Failed Propagation [Missing Geometry]");
break;
}
if(!AdjustSector(&t)){
- n=-1;
- t.SetStatus(AliTRDtrackV1::kAdjustSector);
+ n= n?-n:-999;
+ t.SetErrStat(AliTRDtrackV1::kAdjustSector);
AliDebug(4, "Failed Adjust Sector [Missing Geometry]");
break;
}
- if(TMath::Abs(t.GetSnp()) > fgkMaxSnp){
- n=-1;
- t.SetStatus(AliTRDtrackV1::kSnp);
+ if(TMath::Abs(t.GetSnp()) > AliTRDReconstructor::GetMaxSnp()){
+ n= n?-n:-999;
+ t.SetErrStat(AliTRDtrackV1::kSnp);
AliDebug(4, "Failed Max Snp [Missing Geometry]");
break;
}
- t.SetStatus(AliTRDtrackV1::kGeometry, ily);
+ t.SetErrStat(AliTRDtrackV1::kGeometry, ily);
continue;
}
Double_t loc[] = {AliTRDgeometry::AnodePos()- driftLength, 0., 0.};
Double_t glb[] = {0., 0., 0.};
matrix->LocalToMaster(loc, glb);
+ AliDebug(3, Form("Propagate to D%3d[%02d_%d_%d] x_anode[%7.2f] (%f %f)", det, sm, stk, ily, glb[0]+driftLength, glb[1], glb[2]));
// Propagate to the radial distance of the current layer
- x = glb[0] - fgkMaxStep;
- if(x > (fgkMaxStep + t.GetX()) && !PropagateToX(t, x, fgkMaxStep)){
- n=-1;
- t.SetStatus(AliTRDtrackV1::kPropagation);
- AliDebug(4, Form("Failed Initial Propagation to x[%7.2f]", x));
+ x = glb[0] - AliTRDReconstructor::GetMaxStep();
+ if(x > (AliTRDReconstructor::GetMaxStep() + t.GetX()) && !PropagateToX(t, x, AliTRDReconstructor::GetMaxStep())){
+ n= n?-n:-999;
+ t.SetErrStat(AliTRDtrackV1::kPropagation);
+ AliDebug(4, Form("Failed Propagation to x[%7.2f]", x));
break;
}
if(!AdjustSector(&t)){
- n=-1;
- t.SetStatus(AliTRDtrackV1::kAdjustSector);
+ n= n?-n:-999;
+ t.SetErrStat(AliTRDtrackV1::kAdjustSector);
AliDebug(4, "Failed Adjust Sector Start");
break;
}
- if(TMath::Abs(t.GetSnp()) > fgkMaxSnp) {
- n=-1;
- t.SetStatus(AliTRDtrackV1::kSnp);
- AliDebug(4, Form("Failed Max Snp[%f] MaxSnp[%f]", t.GetSnp(), fgkMaxSnp));
+ if(TMath::Abs(t.GetSnp()) > AliTRDReconstructor::GetMaxSnp()) {
+ n= n?-n:-999;
+ t.SetErrStat(AliTRDtrackV1::kSnp);
+ AliDebug(4, Form("Failed Max Snp[%f] MaxSnp[%f]", t.GetSnp(), AliTRDReconstructor::GetMaxSnp()));
break;
}
Bool_t doRecalculate = kFALSE;
if(sm != t.GetSector()){
+ AliDebug(3, Form("Track crossed sectors %2d -> %2d", sm, t.GetSector()));
sm = t.GetSector();
doRecalculate = kTRUE;
}
if(stk != fGeom->GetStack(z, ily)){
+ AliDebug(3, Form("Track crossed stacks %d -> %d in sec[%02d]", stk, fGeom->GetStack(z, ily), sm));
stk = fGeom->GetStack(z, ily);
doRecalculate = kTRUE;
}
if(doRecalculate){
det = AliTRDgeometry::GetDetector(ily, stk, sm);
if(!(matrix = fGeom->GetClusterMatrix(det))){
- t.SetStatus(AliTRDtrackV1::kGeometry, ily);
+ t.SetErrStat(AliTRDtrackV1::kGeometry, ily);
AliDebug(4, Form("Failed Geometry Matrix ly[%d]", ily));
continue;
}
matrix->LocalToMaster(loc, glb);
- x = glb[0] - fgkMaxStep;
+ x = glb[0] - AliTRDReconstructor::GetMaxStep();
}
// check if track is well inside fiducial volume
- if (!t.GetProlongation(x+fgkMaxStep, y, z)) {
- n=-1;
- t.SetStatus(AliTRDtrackV1::kProlongation);
- AliDebug(4, Form("Failed Prolongation to x[%7.2f] y[%7.2f] z[%7.2f]", x+fgkMaxStep, y, z));
+ if (!t.GetProlongation(x+AliTRDReconstructor::GetMaxStep(), y, z)) {
+ n= n?-n:-999;
+ t.SetErrStat(AliTRDtrackV1::kProlongation);
+ AliDebug(4, Form("Failed Prolongation to x[%7.2f] y[%7.2f] z[%7.2f]", x+AliTRDReconstructor::GetMaxStep(), y, z));
break;
}
if(fGeom->IsOnBoundary(det, y, z, .5)){
- t.SetStatus(AliTRDtrackV1::kBoundary, ily);
+ t.SetErrStat(AliTRDtrackV1::kBoundary, ily);
AliDebug(4, "Failed Track on Boundary");
continue;
}
// mark track as entering the FIDUCIAL volume of TRD
if(kStoreIn){
- t.SetTrackIn();
+ t.SetTrackIn();
kStoreIn = kFALSE;
}
AliDebug(3, Form("Building tracklet det[%d]", det));
// check data in supermodule
if(!fTrSec[sm].GetNChambers()){
- t.SetStatus(AliTRDtrackV1::kNoClusters, ily);
- AliDebug(4, "Failed NoClusters");
+ t.SetErrStat(AliTRDtrackV1::kNoClusters, ily);
+ AliDebug(4, Form("Failed NoClusters in sec[%02d]", sm));
continue;
}
if(fTrSec[sm].GetX(ily) < 1.){
- t.SetStatus(AliTRDtrackV1::kNoClusters, ily);
- AliDebug(4, "Failed NoX");
+ t.SetErrStat(AliTRDtrackV1::kNoClusters, ily);
+ AliDebug(4, Form("Failed NoX in sec[%02d]", sm));
continue;
}
// check data in chamber
if(!(chamber = fTrSec[sm].GetChamber(stk, ily))){
- t.SetStatus(AliTRDtrackV1::kNoClusters, ily);
- AliDebug(4, "Failed No Detector");
+ t.SetErrStat(AliTRDtrackV1::kNoClusters, ily);
+ AliDebug(4, Form("Failed No Data for D%03d[%02d_%d_%d]", AliTRDgeometry::GetDetector(ily, stk, sm), sm, stk, ily));
continue;
}
if(chamber->GetNClusters() < fgNTimeBins*fkRecoParam ->GetFindableClusters()){
- t.SetStatus(AliTRDtrackV1::kNoClusters, ily);
- AliDebug(4, "Failed Not Enough Clusters in Detector");
+ t.SetErrStat(AliTRDtrackV1::kNoClusters, ily);
+ AliDebug(4, Form("Failed Not Enough Clusters[%2d] for D%03d[%02d_%d_%d]", chamber->GetNClusters(), AliTRDgeometry::GetDetector(ily, stk, sm), sm, stk, ily));
continue;
}
// build tracklet
+ tracklet.~AliTRDseedV1();
ptrTracklet = new(&tracklet) AliTRDseedV1(det);
ptrTracklet->SetReconstructor(fkReconstructor);
ptrTracklet->SetKink(t.IsKink());
ptrTracklet->SetPrimary(t.IsPrimary());
ptrTracklet->SetPadPlane(fGeom->GetPadPlane(ily, stk));
ptrTracklet->SetX0(glb[0]+driftLength);
- if(!tracklet.Init(&t)){
- n=-1;
- t.SetStatus(AliTRDtrackV1::kTrackletInit);
+ if(!ptrTracklet->Init(&t)){
+ n= n?-n:-999;
+ t.SetErrStat(AliTRDtrackV1::kTrackletInit);
AliDebug(4, "Failed Tracklet Init");
break;
}
- if(!tracklet.AttachClusters(chamber, kTRUE)){
- t.SetStatus(AliTRDtrackV1::kNoAttach, ily);
+ // Select attachment base on track to B field sign not only track charge which is buggy
+ // mark kFALSE same sign tracks and kTRUE opposite sign tracks
+ // A.Bercuci 3.11.2011
+ Float_t prod(t.GetBz()*t.Charge());
+ if(!ptrTracklet->AttachClusters(chamber, kTRUE, prod<0.?kTRUE:kFALSE, fEventInFile)){
+ t.SetErrStat(AliTRDtrackV1::kNoAttach, ily);
if(debugLevel>3){
AliTRDseedV1 trackletCp(*ptrTracklet);
UChar_t status(t.GetStatusTRD(ily));
- (*cstreamer) << "FollowBackProlongation2"
+ (*cstreamer) << "FollowBackProlongation4"
<<"status=" << status
<<"tracklet.=" << &trackletCp
<< "\n";
AliDebug(4, "Failed Attach Clusters");
continue;
}
- AliDebug(3, Form("Number of Clusters in Tracklet: %d", tracklet.GetN()));
- if(tracklet.GetN() < fgNTimeBins*fkRecoParam ->GetFindableClusters()){
- t.SetStatus(AliTRDtrackV1::kNoClustersTracklet, ily);
+ Int_t nClTracklet(ptrTracklet->GetN());
+ AliDebug(3, Form("Number of Clusters in Tracklet: %2d", nClTracklet));
+ if(nClTracklet < Int_t(fgNTimeBins*fkRecoParam->GetFindableClusters())){
+ t.SetErrStat(AliTRDtrackV1::kNoClustersTracklet, ily);
if(debugLevel>3){
AliTRDseedV1 trackletCp(*ptrTracklet);
UChar_t status(t.GetStatusTRD(ily));
- (*cstreamer) << "FollowBackProlongation2"
+ (*cstreamer) << "FollowBackProlongation4"
<<"status=" << status
<<"tracklet.=" << &trackletCp
<< "\n";
}
- AliDebug(4, "Failed N Clusters Attached");
+ AliDebug(4, Form("Attached clusters %2d<%2d (%4.1f%% of TB[%2d])", nClTracklet, Int_t(fgNTimeBins*fkRecoParam->GetFindableClusters()), 1.e2*fkRecoParam->GetFindableClusters(), fgNTimeBins));
continue;
}
ptrTracklet->UpdateUsed();
+ // protect against reattaching clusters
+ if(Float_t(ptrTracklet->GetNUsed())/nClTracklet > .5/*fkRecoParam->GetUsedClustersLimit()*/){
+ t.SetErrStat(AliTRDtrackV1::kNoClustersTracklet, ily);
+ AliDebug(4, Form("Used clusters %2d[%4.1f%%] exceed limit [%4.1f%%]", nClTracklet, Float_t(ptrTracklet->GetNUsed())/nClTracklet, 1.e2*.5/*fkRecoParam->GetUsedClustersLimit()*/));
+ continue;
+ }
} else AliDebug(2, Form("Use external tracklet ly[%d]", ily));
// propagate track to the radial position of the tracklet
// tilt correction options
// 0 : no correction
// 2 : pseudo tilt correction
- if(!ptrTracklet->Fit(2)){
- t.SetStatus(AliTRDtrackV1::kNoFit, ily);
+ if(!ptrTracklet->FitRobust(t.Charge()>0?kTRUE:kFALSE)){
+ t.SetErrStat(AliTRDtrackV1::kNoFit, ily);
AliDebug(4, "Failed Tracklet Fit");
continue;
}
x = ptrTracklet->GetX(); //GetX0();
- if(x > (fgkMaxStep + t.GetX()) && !PropagateToX(t, x, fgkMaxStep)) {
- n=-1;
- t.SetStatus(AliTRDtrackV1::kPropagation);
+ if(x > (AliTRDReconstructor::GetMaxStep() + t.GetX()) && !PropagateToX(t, x, AliTRDReconstructor::GetMaxStep())) {
+ n= n?-n:-999;
+ t.SetErrStat(AliTRDtrackV1::kPropagation);
AliDebug(4, Form("Failed Propagation to Tracklet x[%7.2f]", x));
break;
}
if(!AdjustSector(&t)) {
- n=-1;
- t.SetStatus(AliTRDtrackV1::kAdjustSector);
+ n= n?-n:-999;
+ t.SetErrStat(AliTRDtrackV1::kAdjustSector);
AliDebug(4, "Failed Adjust Sector");
break;
}
- if(TMath::Abs(t.GetSnp()) > fgkMaxSnp) {
- n=-1;
- t.SetStatus(AliTRDtrackV1::kSnp);
- AliDebug(4, Form("Failed Max Snp[%f] MaxSnp[%f]", t.GetSnp(), fgkMaxSnp));
+ if(TMath::Abs(t.GetSnp()) > AliTRDReconstructor::GetMaxSnp()) {
+ n= n?-n:-999;
+ t.SetErrStat(AliTRDtrackV1::kSnp);
+ AliDebug(4, Form("Failed Max Snp[%f] MaxSnp[%f]", t.GetSnp(), AliTRDReconstructor::GetMaxSnp()));
break;
}
- if(kPropagateIn){
- t.SetTrackIn();
- kPropagateIn = kFALSE;
- }
+ // update parameters of track in.
+ if(!ily) t.SetTrackIn();
Double_t cov[3]; ptrTracklet->GetCovAt(x, cov);
Double_t p[2] = { ptrTracklet->GetY(), ptrTracklet->GetZ()};
Double_t chi2 = ((AliExternalTrackParam)t).GetPredictedChi2(p, cov);
// update Kalman with the TRD measurement
if(chi2>1e+10){ // TODO
- t.SetStatus(AliTRDtrackV1::kChi2, ily);
+ t.SetErrStat(AliTRDtrackV1::kChi2, ily);
if(debugLevel > 2){
UChar_t status(t.GetStatusTRD());
AliTRDseedV1 trackletCp(*ptrTracklet);
AliTRDtrackV1 trackCp(t);
trackCp.SetOwner();
- (*cstreamer) << "FollowBackProlongation1"
+ (*cstreamer) << "FollowBackProlongation3"
<< "status=" << status
<< "tracklet.=" << &trackletCp
<< "track.=" << &trackCp
}
if(kUseTRD){
if(!((AliExternalTrackParam&)t).Update(p, cov)) {
- n=-1;
- t.SetStatus(AliTRDtrackV1::kUpdate);
+ n= n?-n:-999;
+ t.SetErrStat(AliTRDtrackV1::kUpdate);
if(debugLevel > 2){
UChar_t status(t.GetStatusTRD());
AliTRDseedV1 trackletCp(*ptrTracklet);
AliTRDtrackV1 trackCp(t);
trackCp.SetOwner();
- (*cstreamer) << "FollowBackProlongation1"
+ (*cstreamer) << "FollowBackProlongation3"
<< "status=" << status
<< "tracklet.=" << &trackletCp
<< "track.=" << &trackCp
AliTracker::FillResiduals(&t, p, cov, ptrTracklet->GetVolumeId());
- // load tracklet to the tracker
- ptrTracklet->Update(&t);
+ // register tracklet with the tracker and track
+ // Save inside the tracklet the track parameters BEFORE track update.
+ // Commented out their overwriting AFTER track update
+ // A.Bercuci 3.11.2011
+ //ptrTracklet->Update(&t);
ptrTracklet = SetTracklet(ptrTracklet);
Int_t index(fTracklets->GetEntriesFast()-1);
t.SetTracklet(ptrTracklet, index);
//printf("clusters[%d] chi2[%f] x[%f] status[%d ", n, t.GetChi2(), t.GetX(), t.GetStatusTRD());
//for(int i=0; i<6; i++) printf("%d ", t.GetStatusTRD(i)); printf("]\n");
- if(debugLevel > 1){
- Int_t eventNumber = AliTRDtrackerDebug::GetEventNumber();
+ if(n && debugLevel > 1){
+ //Int_t eventNumber = AliTRDtrackerDebug::GetEventNumber();
AliTRDtrackV1 track(t);
track.SetOwner();
- (*cstreamer) << "FollowBackProlongation0"
- << "EventNumber=" << eventNumber
- << "ncl=" << n
+ (*cstreamer) << "FollowBackProlongation2"
+ << "EventNumber=" << fEventInFile
<< "track.=" << &track
<< "\n";
}
if(!tracklets[ilr].IsOK()) continue;
for(Int_t itb = 0; itb < AliTRDseedV1::kNclusters; itb++){
if(!tracklets[ilr].IsUsable(itb)) continue;
- cl = tracklets[ilr].GetClusters(itb);
+ if(!(cl = tracklets[ilr].GetClusters(itb))) continue;
if(!cl->IsInChamber()) continue;
x = cl->GetX();
y = cl->GetY();
Double_t b = fitter->GetParameter(1);
Double_t curvature = a/TMath::Sqrt(b*b + 1);
- Float_t chi2track = fitter->GetChisquare()/Double_t(nPoints);
+ Float_t chi2track = 0.0;
+ if (nPoints > 0) {
+ chi2track = fitter->GetChisquare()/Double_t(nPoints);
+ }
for(Int_t ip = 0; ip < AliTRDtrackerV1::kNPlanes; ip++)
tracklets[ip].SetC(curvature, 1);
nPoints++;
}
}
- fitter->Eval();
+ if (fitter->Eval()) return 1.e10;
zfitter.Eval();
Double_t offset = fitter->GetParameter(3);
//if(points) printf("First marker point @ x[%d] = %f\n", ip, points[ip].GetX());
- AliTRDseedV1 tracklet, *ptrTracklet = NULL;
+ AliTRDseedV1 tracklet;
+ AliTRDseedV1 *ptrTracklet = NULL;
//Loop through the TRD planes
for (Int_t jplane = 0; jplane < kNPlanes; jplane++) {
while(ip < np){
//don't do anything if next marker is after next update point.
- if((up?-1:1) * (points[ip].GetX() - x) - fgkMaxStep < 0) break;
- if(((up?-1:1) * (points[ip].GetX() - track->GetX()) < 0) && !PropagateToX(*track, points[ip].GetX(), fgkMaxStep)) return -1.;
+ if((up?-1:1) * (points[ip].GetX() - x) - AliTRDReconstructor::GetMaxStep() < 0) break;
+ if(((up?-1:1) * (points[ip].GetX() - track->GetX()) < 0) && !PropagateToX(*track, points[ip].GetX(), AliTRDReconstructor::GetMaxStep())) return -1.;
Double_t xyz[3]; // should also get the covariance
track->GetXYZ(xyz);
// printf("plane[%d] tracklet[%p] x[%f]\n", iplane, ptrTracklet, x);
// Propagate closer to the next update point
- if(((up?-1:1) * (x - track->GetX()) + fgkMaxStep < 0) && !PropagateToX(*track, x + (up?-1:1)*fgkMaxStep, fgkMaxStep)) return -1.;
+ if(((up?-1:1) * (x - track->GetX()) + AliTRDReconstructor::GetMaxStep() < 0) && !PropagateToX(*track, x + (up?-1:1)*AliTRDReconstructor::GetMaxStep(), AliTRDReconstructor::GetMaxStep())) return -1.;
if(!AdjustSector(track)) return -1;
- if(TMath::Abs(track->GetSnp()) > fgkMaxSnp) return -1;
+ if(TMath::Abs(track->GetSnp()) > AliTRDReconstructor::GetMaxSnp()) return -1;
//load tracklet to the tracker and the track
/* Int_t index;
// extrapolation
while(ip < np){
- if(((up?-1:1) * (points[ip].GetX() - track->GetX()) < 0) && !PropagateToX(*track, points[ip].GetX(), fgkMaxStep)) return -1.;
+ if(((up?-1:1) * (points[ip].GetX() - track->GetX()) < 0) && !PropagateToX(*track, points[ip].GetX(), AliTRDReconstructor::GetMaxStep())) return -1.;
Double_t xyz[3]; // should also get the covariance
track->GetXYZ(xyz);
}
//_________________________________________________________________________
-Float_t AliTRDtrackerV1::CalculateChi2Z(AliTRDseedV1 *tracklets, Double_t offset, Double_t slope, Double_t xref)
+Float_t AliTRDtrackerV1::CalculateChi2Z(const AliTRDseedV1 *tracklets, Double_t offset, Double_t slope, Double_t xref)
{
//
// Calculates the chi2-value of the track in z-Direction including tilting pad correction.
// Returns 1 if track reaches the plane, and 0 otherwise
//
- const Double_t kEpsilon = 0.00001;
-
// Current track X-position
- Double_t xpos = t.GetX();
+ Double_t xpos = t.GetX()/*,
+ mass = t.GetMass()*/;
// Direction: inward or outward
Double_t dir = (xpos < xToGo) ? 1.0 : -1.0;
- while (((xToGo - xpos) * dir) > kEpsilon) {
-
+ while (((xToGo - xpos) * dir) > AliTRDReconstructor::GetEpsilon()) {
+// printf("to go %f\n", (xToGo - xpos) * dir);
Double_t xyz0[3];
Double_t xyz1[3];
Double_t param[7];
// Calculate the mean material budget between start and
// end point of this prolongation step
if(AliTracker::MeanMaterialBudget(xyz0, xyz1, param)<=0.) return 0;
-
+
// Propagate the track to the X-position after the next step
if (!t.PropagateTo(x, param[1], param[0]*param[4])) return 0;
+/* // Correct for mean material budget
+ Double_t dEdx(0.),
+ bg(t.GetP()/mass);
+ if(AliLog::GetDebugLevel("TRD", "AliTRDtrackerV1")>=3){
+ const char *pn[] = {"rho", "x/X0", "<A>", "<Z>", "L", "<Z/A>", "Nb"};
+ printf("D-AliTRDtrackerV1::PropagateTo(): x[%6.2f] bg[%6.2f]\n", xpos, bg);
+ printf(" param :: %s[%e] %s[%e] %s[%e] %s[%e] %s[%e] %s[%e] %s[%e]\n"
+ , pn[0], param[0]
+ , pn[1], param[1]
+ , pn[2], param[2]
+ , pn[3], param[3]
+ , pn[4], param[4]
+ , pn[5], param[5]
+ , pn[6], param[6]);
+ }
+ switch(fgBB){
+ case kSolid:
+ dEdx = AliExternalTrackParam::BetheBlochSolid(bg);
+ break;
+ case kGas:
+ dEdx = AliExternalTrackParam::BetheBlochGas(bg);
+ break;
+ case kGeant:
+ { // mean exitation energy (GeV)
+ Double_t mee = ((param[3] < 13.) ? (12. * param[3] + 7.) : (9.76 * param[3] + 58.8 * TMath::Power(param[3],-0.19))) * 1.e-9;
+ Double_t mZA = param[5]>1.e-5?param[5]:(param[3]/param[2]);
+ if(AliLog::GetDebugLevel("TRD", "AliTRDtrackerV1")>=3) printf("D-AliTRDtrackerV1::PropagateTo(): Mee[%e] <Z/A>[%e]\n", mee, mZA);
+ // protect against failed calculation of rho in MeanMaterialBudget()
+ dEdx = AliExternalTrackParam::BetheBlochGeant(bg, param[0]>1.e-6?param[0]:2.33, 0.2, 3., mee, mZA);
+ }
+ break;
+ }
+ if(AliLog::GetDebugLevel("TRD", "AliTRDtrackerV1")>=2) printf("D-AliTRDtrackerV1::PropagateTo(): dEdx(bg=%e, m=%e)= %e[GeV/cm]\n", bg, mass, dEdx);
+ if (!t.CorrectForMeanMaterialdEdx(param[1], dir*param[0]*param[4], mass, dEdx)) return 0;
+*/
// Rotate the track if necessary
- AdjustSector(&t);
+ if(!AdjustSector(&t)) return 0;
// New track X-position
xpos = t.GetX();
}
-
//_____________________________________________________________________________
-Int_t AliTRDtrackerV1::ReadClusters(TClonesArray* &array, TTree *clusterTree) const
+Bool_t AliTRDtrackerV1::ReadClusters(TTree *clusterTree)
{
//
// Reads AliTRDclusters from the file.
TBranch *branch = clusterTree->GetBranch("TRDcluster");
if (!branch) {
AliError("Can't get the branch !");
- return 1;
+ return kFALSE;
}
branch->SetAddress(&clusterArray);
if(!fClusters){
Float_t nclusters = fkRecoParam->GetNClusters();
if(fkReconstructor->IsHLT()) nclusters /= AliTRDgeometry::kNsector;
- array = new TClonesArray("AliTRDcluster", Int_t(nclusters));
- array->SetOwner(kTRUE);
+ fClusters = new TClonesArray("AliTRDcluster", Int_t(nclusters));
+ fClusters->SetOwner(kTRUE);
}
// Loop through all entries in the tree
new((*fClusters)[ncl++]) AliTRDcluster(*c);
delete (clusterArray->RemoveAt(iCluster));
}
-
}
delete clusterArray;
- return 0;
+ return kTRUE;
}
//_____________________________________________________________________________
if(!fkReconstructor->IsWritingClusters()){
fClusters = AliTRDReconstructor::GetClusters();
} else {
- if (ReadClusters(fClusters, cTree)) {
+ if(!ReadClusters(cTree)) {
AliError("Problem with reading the clusters !");
return 1;
}
//____________________________________________________________________
-AliTRDseedV1* AliTRDtrackerV1::GetTracklet(AliTRDtrackV1 *const track, Int_t p, Int_t &idx)
+AliTRDseedV1* AliTRDtrackerV1::GetTracklet(const AliTRDtrackV1 *const track, Int_t p, Int_t &idx)
{
// Find tracklet for TRD track <track>
// Parameters
if(!ntracks) break;
// Sort the seeds according to their quality
- Int_t sort[kMaxTracksStack];
+ Int_t sort[kMaxTracksStack+1];
TMath::Sort(ntracks, fTrackQuality, sort, kTRUE);
if(AliLog::GetDebugLevel("TRD", "AliTRDtrackerV1") > 2){
AliDebug(3, "Track candidates classification:");
break;
case 1: // select shorter primary tracks, good quality
- if(findable<4){skip = kTRUE; break;}
+ //if(findable<4){skip = kTRUE; break;}
if(nlayers < findable){skip = kTRUE; break;}
if(TMath::Log(1.E-9+fTrackQuality[trackIndex]) < -4.){skip = kTRUE; break;}
break;
for(int iLayer=0; iLayer<kNPlanes; iLayer++,cIter++){
if(!(*cIter)) continue;
if(!(matrix = fGeom->GetClusterMatrix((*cIter)->GetDetector()))){
- continue;
x0[iLayer] = fgkX0[iLayer];
+ continue;
}
matrix->LocalToMaster(loc, glb);
x0[iLayer] = glb[0];
ptrTrack->CookPID();
// update calibration references using this track
AliTRDCalibraFillHisto *calibra = AliTRDCalibraFillHisto::Instance();
- if (!calibra){
- AliInfo("Could not get Calibra instance\n");
- if(calibra->GetHisto2d()) calibra->UpdateHistogramsV1(ptrTrack);
+ if(!calibra){
+ AliInfo("Could not get Calibra instance.");
+ } else if(calibra->GetHisto2d()){
+ calibra->UpdateHistogramsV1(ptrTrack);
}
return ptrTrack;
}
AliTRDseedV1 bseed[AliTRDgeometry::kNlayer];
Float_t quality(1.e3),
- lQuality[] = {1.e3, 1.e3, 1.e3, 1.e3, 1.e3, 1.e3};
+ lQuality[AliTRDgeometry::kNlayer] = {1.e3, 1.e3, 1.e3, 1.e3, 1.e3, 1.e3};
Int_t rLayers(0);
for(Int_t jLayer=AliTRDgeometry::kNlayer; jLayer--;){
bseed[jLayer] = cseed[jLayer];
lQuality[jLayer] = bseed[jLayer].GetQuality(kTRUE);
quality += lQuality[jLayer];
}
- quality /= rLayers;
+ if (rLayers > 0) {
+ quality /= rLayers;
+ }
AliDebug(2, Form("Start N[%d] Q[%f] chi2[%f]", rLayers, quality, chi2));
for (Int_t iter = 0; iter < 4; iter++) {
// Try better cluster set
Int_t nLayers(0); Float_t qualitynew(0.);
- Int_t indexes[6];
+ Int_t indexes[4*AliTRDgeometry::kNlayer];
TMath::Sort(Int_t(AliTRDgeometry::kNlayer), lQuality, indexes, kFALSE);
for(Int_t jLayer=AliTRDgeometry::kNlayer; jLayer--;) {
Int_t bLayer = indexes[jLayer];
//____________________________________________________________________
void AliTRDtrackerV1::UnsetTrackletsTrack(const AliTRDtrackV1 * const track)
{
+// Remove tracklets from tracker list attached to "track"
Int_t idx(-1);
for(Int_t il(0); il<kNPlanes; il++){
if((idx = track->GetTrackletIndex(il)) < 0) continue;
//
Double_t det = fSums[0] * fSums[4] - fSums[1] *fSums[1];
- if(det==0) return kFALSE;
+ if(TMath::Abs(det)<1.e-30) return kFALSE;
// for(Int_t isum = 0; isum < 5; isum++)
// printf("fSums[%d] = %f\n", isum, fSums[isum]);
}
//_____________________________________________________________________________
-void AliTRDtrackerV1::AliTRDtrackFitterRieman::UpdateFitters(AliTRDseedV1 * const tracklet){
+void AliTRDtrackerV1::AliTRDtrackFitterRieman::UpdateFitters(const AliTRDseedV1 * const tracklet){
//
// Does the transformations and updates the fitters
// The following transformation is applied
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff