//_____________________________________________________________________________
AliTRDtracker::AliTRDtracker()
:AliTracker()
+ ,fGeom(0)
+ ,fNclusters(0)
+ ,fClusters(0)
+ ,fNseeds(0)
+ ,fSeeds(0)
+ ,fNtracks(0)
+ ,fTracks(0)
+ ,fTimeBinsPerPlane(0)
+ ,fAddTRDseeds(kFALSE)
+ ,fNoTilt(kFALSE)
,fHBackfit(0x0)
,fHClSearch(0x0)
,fHRefit(0x0)
,fHMinD(0x0)
,fHDeltaX(0x0)
,fHXCl(0x0)
- ,fGeom(0)
- ,fNclusters(0)
- ,fClusters(0)
- ,fNseeds(0)
- ,fSeeds(0)
- ,fNtracks(0)
- ,fTracks(0)
- ,fTimeBinsPerPlane(0)
- ,fAddTRDseeds(kFALSE)
- ,fNoTilt(kFALSE)
,fDebugStreamer(0)
{
//
//_____________________________________________________________________________
AliTRDtracker::AliTRDtracker(const AliTRDtracker &t)
:AliTracker(t)
+ ,fGeom(0)
+ ,fNclusters(0)
+ ,fClusters(0)
+ ,fNseeds(0)
+ ,fSeeds(0)
+ ,fNtracks(0)
+ ,fTracks(0)
+ ,fTimeBinsPerPlane(0)
+ ,fAddTRDseeds(kFALSE)
+ ,fNoTilt(kFALSE)
,fHBackfit(0x0)
,fHClSearch(0x0)
,fHRefit(0x0)
,fHMinD(0x0)
,fHDeltaX(0x0)
,fHXCl(0x0)
- ,fGeom(0)
- ,fNclusters(0)
- ,fClusters(0)
- ,fNseeds(0)
- ,fSeeds(0)
- ,fNtracks(0)
- ,fTracks(0)
- ,fTimeBinsPerPlane(0)
- ,fAddTRDseeds(kFALSE)
- ,fNoTilt(kFALSE)
,fDebugStreamer(0)
{
//
//_____________________________________________________________________________
AliTRDtracker::AliTRDtracker(const TFile */*geomfile*/)
:AliTracker()
+ ,fGeom(0)
+ ,fNclusters(0)
+ ,fClusters(new TObjArray(2000))
+ ,fNseeds(0)
+ ,fSeeds(new TObjArray(2000))
+ ,fNtracks(0)
+ ,fTracks(new TObjArray(1000))
+ ,fTimeBinsPerPlane(0)
+ ,fAddTRDseeds(kFALSE)
+ ,fNoTilt(kFALSE)
,fHBackfit(0x0)
,fHClSearch(0x0)
,fHRefit(0x0)
,fHMinD(0x0)
,fHDeltaX(0x0)
,fHXCl(0x0)
- ,fGeom(0)
- ,fNclusters(0)
- ,fClusters(new TObjArray(2000))
- ,fNseeds(0)
- ,fSeeds(new TObjArray(2000))
- ,fNtracks(0)
- ,fTracks(new TObjArray(1000))
- ,fTimeBinsPerPlane(0)
- ,fAddTRDseeds(kFALSE)
- ,fNoTilt(kFALSE)
,fDebugStreamer(0)
{
//
return lastplane;
}
-
-//_____________________________________________________________________________
-Int_t AliTRDtracker::Clusters2Tracks(AliESDEvent *event)
-{
- //
- // Finds tracks within the TRD. The ESD event is expected to contain seeds
- // at the outer part of the TRD. The seeds
- // are found within the TRD if fAddTRDseeds is TRUE.
- // The tracks are propagated to the innermost time bin
- // of the TRD and the ESD event is updated
- //
-
- Int_t timeBins = fTrSec[0]->GetNumberOfTimeBins();
- Float_t foundMin = fgkMinClustersInTrack * timeBins;
- Int_t nseed = 0;
- Int_t found = 0;
- //Int_t innerTB = fTrSec[0]->GetInnerTimeBin();
-
- Int_t n = event->GetNumberOfTracks();
- for (Int_t i = 0; i < n; i++) {
-
- AliESDtrack *seed = event->GetTrack(i);
- ULong_t status = seed->GetStatus();
- if ((status & AliESDtrack::kTRDout) == 0) {
- continue;
- }
- if ((status & AliESDtrack::kTRDin) != 0) {
- continue;
- }
- nseed++;
-
- AliTRDtrack *seed2 = new AliTRDtrack(*seed);
- //seed2->ResetCovariance();
- AliTRDtrack *pt = new AliTRDtrack(*seed2,seed2->GetAlpha());
- AliTRDtrack &t = *pt;
- FollowProlongation(t);
- if (t.GetNumberOfClusters() >= foundMin) {
- UseClusters(&t);
- CookLabel(pt,1 - fgkLabelFraction);
- //t.CookdEdx();
- }
- found++;
-
- Double_t xTPC = 250.0;
- if (PropagateToX(t,xTPC,fgkMaxStep)) {
- seed->UpdateTrackParams(pt, AliESDtrack::kTRDin);
- }
- delete seed2;
- delete pt;
-
- }
-
- AliInfo(Form("Number of loaded seeds: %d",nseed));
- AliInfo(Form("Number of found tracks from loaded seeds: %d",found));
- AliInfo(Form("Total number of found tracks: %d",found));
-
- return 0;
-
-}
//_____________________________________________________________________________
Int_t AliTRDtracker::PropagateBack(AliESDEvent *event)
// by the TPC tracker.
//
- Int_t found = 0; // number of tracks found
- Float_t foundMin = 20.0;
-
- // Sort tracks according to covariance of local Y and Z
- Int_t nSeed = event->GetNumberOfTracks();
- Float_t *quality = new Float_t[nSeed];
- Int_t *index = new Int_t[nSeed];
- for (Int_t iSeed = 0; iSeed < nSeed; iSeed++) {
- AliESDtrack *seed = event->GetTrack(iSeed);
- Double_t covariance[15];
- seed->GetExternalCovariance(covariance);
- quality[iSeed] = covariance[0] + covariance[2];
- }
- TMath::Sort(nSeed,quality,index,kFALSE);
-
- // Backpropagate all seeds
- for (Int_t iSeed = 0; iSeed < nSeed; iSeed++) {
-
- // Get the seeds in sorted sequence
- AliESDtrack *seed = event->GetTrack(index[iSeed]);
- fHBackfit->Fill(0); // All seeds
-
- // Check the seed status
- ULong_t status = seed->GetStatus();
- if ((status & AliESDtrack::kTPCout) == 0) {
- fHBackfit->Fill(1); // TPC outer edge reached
- continue;
- }
- if ((status & AliESDtrack::kTRDout) != 0) {
- fHBackfit->Fill(2); // TRD outer edge reached (does this happen ?)
- continue;
- }
-
- // Do the back prolongation
- Int_t lbl = seed->GetLabel();
- AliTRDtrack *track = new AliTRDtrack(*seed);
- track->SetSeedLabel(lbl);
- seed->UpdateTrackParams(track,AliESDtrack::kTRDbackup); // Make backup
- fNseeds++;
- Float_t p4 = track->GetC();
- Int_t expectedClr = FollowBackProlongation(*track);
- fHBackfit->Fill(3); // Back prolongation done
- fHX->Fill(track->GetX());
- // !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-
- if ((TMath::Abs(track->GetC() - p4) / TMath::Abs(p4) < 0.2) ||
- (track->Pt() > 0.8)) {
-
- fHBackfit->Fill(4);
-
- //
- // Make backup for back propagation
- //
-
- Int_t foundClr = track->GetNumberOfClusters();
- if (foundClr >= foundMin) {
- track->CookdEdx();
- track->CookdEdxTimBin(seed->GetID()); // A.Bercuci 25.07.07
- CookLabel(track,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;
+ Int_t found = 0; // number of tracks found
+ Float_t foundMin = 20.0;
- // Full gold track
- if (track->GetChi2() / track->GetNumberOfClusters() < 5) {
- //seed->UpdateTrackParams(track, AliESDtrack::kTRDbackup);
- if (track->GetBackupTrack()) {
- seed->UpdateTrackParams(track->GetBackupTrack(),AliESDtrack::kTRDbackup);
-
- }
- isGold = kTRUE;
- //fHBackfit->Fill()
- }
-
- // 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);
- }
- 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);
- isGold = kTRUE;
- }
+ Int_t nSeed = event->GetNumberOfTracks();
+ if(!nSeed){
+ // run stand alone tracking
+ if (AliTRDReconstructor::SeedingOn()) Clusters2Tracks(event);
+ return 0;
}
-
- if ((track->StatusForTOF() > 0) &&
- (track->GetNCross() == 0) &&
- (Float_t(track->GetNumberOfClusters()) / Float_t(track->GetNExpected()) > 0.4)) {
- //seed->UpdateTrackParams(track->GetBackupTrack(), AliESDtrack::kTRDbackup);
+
+ Float_t *quality = new Float_t[nSeed];
+ Int_t *index = new Int_t[nSeed];
+ for (Int_t iSeed = 0; iSeed < nSeed; iSeed++) {
+ AliESDtrack *seed = event->GetTrack(iSeed);
+ Double_t covariance[15];
+ seed->GetExternalCovariance(covariance);
+ quality[iSeed] = covariance[0] + covariance[2];
}
-
- }
- }
- /**/
-
- /**/
- // Debug part of tracking
- TTreeSRedirector &cstream = *fDebugStreamer;
- Int_t eventNrInFile = event->GetEventNumberInFile(); // This is most likely NOT the event number you'd like to use. It has nothing to do with the 'real' event number.
- if (AliTRDReconstructor::StreamLevel() > 0) {
- if (track->GetBackupTrack()) {
- cstream << "Tracks"
- << "EventNrInFile=" << eventNrInFile
- << "ESD.=" << seed
- << "trd.=" << track
- << "trdback.=" << track->GetBackupTrack()
- << "\n";
- }
- else {
- cstream << "Tracks"
- << "EventNrInFile=" << eventNrInFile
- << "ESD.=" << seed
- << "trd.=" << track
- << "trdback.=" << track
- << "\n";
- }
- }
- /**/
-
- // Propagation to the TOF (I.Belikov)
- if (track->GetStop() == kFALSE) {
- fHBackfit->Fill(5);
-
- Double_t xtof = 371.0;
- Double_t xTOF0 = 370.0;
-
- Double_t c2 = track->GetSnp() + track->GetC() * (xtof - track->GetX());
- if (TMath::Abs(c2) >= 0.99) {
+ // Sort tracks according to covariance of local Y and Z
+ TMath::Sort(nSeed,quality,index,kFALSE);
- fHBackfit->Fill(6);
- delete track;
- continue;
- }
-
- PropagateToX(*track,xTOF0,fgkMaxStep);
-
- // Energy losses taken to the account - check one more time
- c2 = track->GetSnp() + track->GetC() * (xtof - track->GetX());
- if (TMath::Abs(c2) >= 0.99) {
+ // Backpropagate all seeds
+ for (Int_t iSeed = 0; iSeed < nSeed; iSeed++) {
- fHBackfit->Fill(7);
- delete track;
- continue;
- }
-
- //if (!PropagateToX(*track,xTOF0,fgkMaxStep)) {
- // fHBackfit->Fill(7);
- //delete track;
- // continue;
- //}
-
- Double_t ymax = xtof * TMath::Tan(0.5 * AliTRDgeometry::GetAlpha());
- Double_t y;
- track->GetYAt(xtof,GetBz(),y);
- if (y > ymax) {
- if (!track->Rotate( AliTRDgeometry::GetAlpha())) {
- fHBackfit->Fill(8);
- delete track;
- continue;
- }
- }
- else if (y < -ymax) {
- if (!track->Rotate(-AliTRDgeometry::GetAlpha())) {
- fHBackfit->Fill(9);
- delete track;
- continue;
- }
- }
-
- if (track->PropagateTo(xtof)) {
- seed->UpdateTrackParams(track,AliESDtrack::kTRDout);
- fHBackfit->Fill(10);
-
- for (Int_t i = 0; i < AliESDtrack::kNPlane; i++) {
- for (Int_t j = 0; j < AliESDtrack::kNSlice; j++) {
- seed->SetTRDsignals(track->GetPIDsignals(i,j),i,j);
- }
- seed->SetTRDTimBin(track->GetPIDTimBin(i),i);
- }
- //seed->SetTRDtrack(new AliTRDtrack(*track));
- if (track->GetNumberOfClusters() > foundMin) {
- fHBackfit->Fill(11);
- found++;
+ // Get the seeds in sorted sequence
+ AliESDtrack *seed = event->GetTrack(index[iSeed]);
+ fHBackfit->Fill(0); // All seeds
+
+ // Check the seed status
+ ULong_t status = seed->GetStatus();
+ if ((status & AliESDtrack::kTPCout) == 0) {
+ fHBackfit->Fill(1); // TPC outer edge reached
+ continue;
+ }
+ if ((status & AliESDtrack::kTRDout) != 0) {
+ fHBackfit->Fill(2); // TRD outer edge reached (does this happen ?)
+ continue;
+ }
+
+ // Do the back prolongation
+ Int_t lbl = seed->GetLabel();
+ AliTRDtrack *track = new AliTRDtrack(*seed);
+ track->SetSeedLabel(lbl);
+ seed->UpdateTrackParams(track,AliESDtrack::kTRDbackup); // Make backup
+ fNseeds++;
+ Float_t p4 = track->GetC();
+ Int_t expectedClr = FollowBackProlongation(*track);
+ fHBackfit->Fill(3); // Back prolongation done
+ fHX->Fill(track->GetX());
+
+ if ((TMath::Abs(track->GetC() - p4) / TMath::Abs(p4) < 0.2) ||
+ (track->Pt() > 0.8)) {
+
+ fHBackfit->Fill(4);
+
+ //
+ // Make backup for back propagation
+ //
+
+ Int_t foundClr = track->GetNumberOfClusters();
+ if (foundClr >= foundMin) {
+ track->CookdEdx();
+ track->CookdEdxTimBin(seed->GetID()); // A.Bercuci 25.07.07
+ CookLabel(track,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) {
+ //seed->UpdateTrackParams(track, AliESDtrack::kTRDbackup);
+ if (track->GetBackupTrack()) {
+ seed->UpdateTrackParams(track->GetBackupTrack(),AliESDtrack::kTRDbackup);
+ }
+ isGold = kTRUE;
+ //fHBackfit->Fill()
+ }
+
+ // 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);
+ }
+ 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);
+ isGold = kTRUE;
+ }
+ }
+
+ if ((track->StatusForTOF() > 0) && (track->GetNCross() == 0) && (Float_t(track->GetNumberOfClusters()) / Float_t(track->GetNExpected()) > 0.4)) {
+ //seed->UpdateTrackParams(track->GetBackupTrack(), AliESDtrack::kTRDbackup);
+ }
+ }
+ }
+ /**/
+
+ /**/
+ // Debug part of tracking
+ TTreeSRedirector &cstream = *fDebugStreamer;
+ Int_t eventNrInFile = event->GetEventNumberInFile(); // This is most likely NOT the event number you'd like to use. It has nothing to do with the 'real' event number.
+ if (AliTRDReconstructor::StreamLevel() > 0) {
+ if (track->GetBackupTrack()) {
+ cstream << "Tracks"
+ << "EventNrInFile=" << eventNrInFile
+ << "ESD.=" << seed
+ << "trd.=" << track
+ << "trdback.=" << track->GetBackupTrack()
+ << "\n";
+ }
+ else {
+ cstream << "Tracks"
+ << "EventNrInFile=" << eventNrInFile
+ << "ESD.=" << seed
+ << "trd.=" << track
+ << "trdback.=" << track
+ << "\n";
+ }
+ }
+ /**/
+
+ // Propagation to the TOF (I.Belikov)
+ if (track->GetStop() == kFALSE) {
+ fHBackfit->Fill(5);
+
+ Double_t xtof = 371.0;
+ Double_t xTOF0 = 370.0;
+
+ Double_t c2 = track->GetSnp() + track->GetC() * (xtof - track->GetX());
+ if (TMath::Abs(c2) >= 0.99) {
+ fHBackfit->Fill(6);
+ delete track;
+ continue;
+ }
+
+ PropagateToX(*track,xTOF0,fgkMaxStep);
+
+ // Energy losses taken to the account - check one more time
+ c2 = track->GetSnp() + track->GetC() * (xtof - track->GetX());
+ if (TMath::Abs(c2) >= 0.99) {
+ fHBackfit->Fill(7);
+ delete track;
+ continue;
+ }
+
+ //if (!PropagateToX(*track,xTOF0,fgkMaxStep)) {
+ // fHBackfit->Fill(7);
+ //delete track;
+ // continue;
+ //}
+
+ Double_t ymax = xtof * TMath::Tan(0.5 * AliTRDgeometry::GetAlpha());
+ Double_t y;
+ track->GetYAt(xtof,GetBz(),y);
+ if (y > ymax) {
+ if (!track->Rotate( AliTRDgeometry::GetAlpha())) {
+ fHBackfit->Fill(8);
+ delete track;
+ continue;
+ }
+ }
+ else if (y < -ymax) {
+ if (!track->Rotate(-AliTRDgeometry::GetAlpha())) {
+ fHBackfit->Fill(9);
+ delete track;
+ continue;
+ }
+ }
+
+ if (track->PropagateTo(xtof)) {
+ seed->UpdateTrackParams(track,AliESDtrack::kTRDout);
+ fHBackfit->Fill(10);
+
+ for (Int_t i = 0; i < AliESDtrack::kNPlane; i++) {
+ for (Int_t j = 0; j < AliESDtrack::kNSlice; j++) {
+ seed->SetTRDsignals(track->GetPIDsignals(i,j),i,j);
+ }
+ seed->SetTRDTimBin(track->GetPIDTimBin(i),i);
+ }
+ //seed->SetTRDtrack(new AliTRDtrack(*track));
+ if (track->GetNumberOfClusters() > foundMin) {
+ fHBackfit->Fill(11);
+ found++;
+ }
+ }
+ }
+ else {
+ fHBackfit->Fill(12);
+
+ if ((track->GetNumberOfClusters() > 15) &&
+ (track->GetNumberOfClusters() > 0.5*expectedClr)) {
+ seed->UpdateTrackParams(track,AliESDtrack::kTRDout);
+ fHBackfit->Fill(13);
+
+ //seed->SetStatus(AliESDtrack::kTRDStop);
+ for (Int_t i = 0; i < AliESDtrack::kNPlane; i++) {
+ for (Int_t j = 0; j <AliESDtrack::kNSlice; j++) {
+ seed->SetTRDsignals(track->GetPIDsignals(i,j),i,j);
+ }
+ seed->SetTRDTimBin(track->GetPIDTimBin(i),i);
+ }
+ //seed->SetTRDtrack(new AliTRDtrack(*track));
+ found++;
+ }
+ }
+
+ seed->SetTRDQuality(track->StatusForTOF());
+ seed->SetTRDBudget(track->GetBudget(0));
+
+ fHBackfit->Fill(14);
+ delete track;
}
- }
-
- }
- else {
-
- fHBackfit->Fill(12);
-
- if ((track->GetNumberOfClusters() > 15) &&
- (track->GetNumberOfClusters() > 0.5*expectedClr)) {
- seed->UpdateTrackParams(track,AliESDtrack::kTRDout);
- fHBackfit->Fill(13);
-
- //seed->SetStatus(AliESDtrack::kTRDStop);
- for (Int_t i = 0; i < AliESDtrack::kNPlane; i++) {
- for (Int_t j = 0; j <AliESDtrack::kNSlice; j++) {
- seed->SetTRDsignals(track->GetPIDsignals(i,j),i,j);
- }
- seed->SetTRDTimBin(track->GetPIDTimBin(i),i);
- }
- //seed->SetTRDtrack(new AliTRDtrack(*track));
- found++;
- }
-
- }
-
- seed->SetTRDQuality(track->StatusForTOF());
- seed->SetTRDBudget(track->GetBudget(0));
-
- fHBackfit->Fill(14);
- delete track;
- }
-
- AliInfo(Form("Number of seeds: %d",fNseeds));
- AliInfo(Form("Number of back propagated TRD tracks: %d",found));
-
- // New seeding
- if (AliTRDReconstructor::SeedingOn()) {
- MakeSeedsMI(3,5,event);
- }
-
- fSeeds->Clear();
- fNseeds = 0;
-
- delete [] index;
- delete [] quality;
-
- SaveLogHists();
+ AliInfo(Form("Number of seeds: %d",fNseeds));
+ AliInfo(Form("Number of back propagated TRD tracks: %d",found));
+
+ fSeeds->Clear();
+ fNseeds = 0;
+
+ delete [] index;
+ delete [] quality;
+
+ SaveLogHists();
return 0;
-
}
//_____________________________________________________________________________
//Int_t innerTB = fTrSec[0]->GetInnerTimeBin();
AliTRDtrack seed2;
+ // Calibration fill 2D
+ AliTRDCalibraFillHisto *calibra = AliTRDCalibraFillHisto::Instance();
+ if (!calibra) {
+ AliInfo("Could not get Calibra instance\n");
+ }
+
Int_t n = event->GetNumberOfTracks();
for (Int_t i = 0; i < n; i++) {
pt->CookdEdxTimBin(seed->GetID());
pt->SetPIDMethod(AliTRDtrack::kLQ); //switch between TRD PID methods
pt->CookPID(pidQ);
+ if(calibra->GetHisto2d()) calibra->UpdateHistograms(pt);
found++;
Double_t xTPC = 250.0;
// Get material budget
Double_t xyz0[3];
Double_t xyz1[3];
- Double_t param[7];
+ Double_t param[7];
Double_t x;
Double_t y;
Double_t z;
clusters[i] = -1;
}
- // Calibration fill 2D
- AliTRDCalibraFillHisto *calibra = AliTRDCalibraFillHisto::Instance();
- if (!calibra) {
- AliInfo("Could not get Calibra instance\n");
- }
- if (calibra->GetMITracking()) {
- calibra->ResetTrack();
- }
+// // Calibration fill 2D
+// AliTRDCalibraFillHisto *calibra = AliTRDCalibraFillHisto::Instance();
+// if (!calibra) {
+// AliInfo("Could not get Calibra instance\n");
+// }
+// if (calibra->GetMITracking()) {
+// calibra->ResetTrack();
+// }
// Loop through the TRD planes
for (Int_t iplane = 0; iplane < AliESDtrack::kNPlane; iplane++) {
fHClSearch->Fill(hb+6);
continue;
}
- //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
//
// Propagate and update track
//
for (Int_t itime = GetTimeBinsPerPlane()-1; itime >= 0; itime--) {
-
Int_t ilayer = GetGlobalTimeBin(0, iplane,itime);
expectedNumberOfClusters++;
t.SetNExpected(t.GetNExpected() + 1);
x = timeBin.GetX();
if (timeBin) {
-
- if (clusters[ilayer] > 0) {
- index = clusters[ilayer];
- cl = (AliTRDcluster *)GetCluster(index);
- //Double_t h01 = GetTiltFactor(cl); // I.B's fix
- //maxChi2=t.GetPredictedChi2(cl,h01); //
- }
+ if (clusters[ilayer] > 0) {
+ index = clusters[ilayer];
+ cl = (AliTRDcluster *)GetCluster(index);
+ //Double_t h01 = GetTiltFactor(cl); // I.B's fix
+ //maxChi2=t.GetPredictedChi2(cl,h01); //
+ }
if (cl) {
-
- //if (cl->GetNPads() < 5)
- Double_t dxsample = timeBin.GetdX();
- t.SetSampledEdx(TMath::Abs(cl->GetQ()/dxsample));
- Double_t h01 = GetTiltFactor(cl);
- Int_t det = cl->GetDetector();
- Int_t plane = fGeom->GetPlane(det);
- if (t.GetX() > 345.0) {
- t.SetNLast(t.GetNLast() + 1);
- t.SetChi2Last(t.GetChi2Last() + maxChi2);
- }
- Double_t xcluster = cl->GetX();
- t.PropagateTo(xcluster,xx0,xrho);
- maxChi2 = t.GetPredictedChi2(cl,h01);
-
- if (maxChi2<1e+10)
- if (!t.UpdateMI(cl,maxChi2,index,h01,plane)) {
- if (!t.Update(cl,maxChi2,index,h01)) {
- // ????
- }
- } // else SetCluster(cl, GetNumberOfClusters()-1); // A.Bercuci 25.07.07
+ //if (cl->GetNPads() < 5)
+ Double_t dxsample = timeBin.GetdX();
+ t.SetSampledEdx(TMath::Abs(cl->GetQ()/dxsample));
+ Double_t h01 = GetTiltFactor(cl);
+ Int_t det = cl->GetDetector();
+ Int_t plane = fGeom->GetPlane(det);
+ if (t.GetX() > 345.0) {
+ t.SetNLast(t.GetNLast() + 1);
+ t.SetChi2Last(t.GetChi2Last() + maxChi2);
+ }
+ Double_t xcluster = cl->GetX();
+ t.PropagateTo(xcluster,xx0,xrho);
+ maxChi2 = t.GetPredictedChi2(cl,h01);
+
+ if (maxChi2<1e+10)
+ if (!t.UpdateMI(cl,maxChi2,index,h01,plane)) {
+ if (!t.Update(cl,maxChi2,index,h01)) {
+ // ????
+ }
+ } // else SetCluster(cl, GetNumberOfClusters()-1); // A.Bercuci 25.07.07
- if (calibra->GetMITracking()) {
- calibra->UpdateHistograms(cl,&t);
- }
-
- // Reset material budget if 2 consecutive gold
- if (plane > 0) {
- if ((t.GetTracklets(plane).GetN() + t.GetTracklets(plane-1).GetN()) > 20) {
- t.SetBudget(2,0.0);
- }
- }
+// if (calibra->GetMITracking()) {
+// calibra->UpdateHistograms(cl,&t);
+// }
- }
+ // Reset material budget if 2 consecutive gold
+ if (plane > 0) {
+ if ((t.GetTracklets(plane).GetN() + t.GetTracklets(plane-1).GetN()) > 20) {
+ t.SetBudget(2,0.0);
+ }
+ }
+
+ }
}
// differs from that of TRD sectors
//
- if (ReadClusters(fClusters,cTree)) {
+
+ if (ReadClusters(fClusters, cTree)) {
AliError("Problem with reading the clusters !");
return 1;
}
}
//_____________________________________________________________________________
-void AliTRDtracker::MakeSeedsMI(Int_t /*inner*/, Int_t /*outer*/, AliESDEvent *esd)
+Int_t AliTRDtracker::Clusters2Tracks(AliESDEvent *esd)
{
//
// Creates seeds using clusters between position inner plane and outer plane
delete [] pseed;
+ return 0;
}
//_____________________________________________________________________________
// Loop through all entries in the tree
Int_t nEntries = (Int_t) clusterTree->GetEntries();
Int_t nbytes = 0;
- AliTRDcluster *c = 0;
+ AliTRDcluster *c = 0x0;
for (Int_t iEntry = 0; iEntry < nEntries; iEntry++) {
// Import the tree
// Get the number of points in the detector
Int_t nCluster = clusterArray->GetEntriesFast();
-
// Loop through all TRD digits
for (Int_t iCluster = 0; iCluster < nCluster; iCluster++) {
- c = (AliTRDcluster *) clusterArray->UncheckedAt(iCluster);
- AliTRDcluster *co = c;
- array->AddLast(co);
+ if(!(c = (AliTRDcluster *) clusterArray->UncheckedAt(iCluster))) continue;
+ array->AddLast(c);
+ //printf("Add cluster 0x%x.\n", c);
clusterArray->RemoveAt(iCluster);
}
}
-
delete clusterArray;
return 0;
}
-//_____________________________________________________________________________
-AliTRDtracker::AliTRDpropagationLayer
- ::AliTRDpropagationLayer(Double_t x, Double_t dx, Double_t rho
- , Double_t radLength, Int_t tbIndex, Int_t plane)
- :fN(0)
- ,fSec(0)
- ,fClusters(NULL)
- ,fIndex(NULL)
- ,fX(x)
- ,fdX(dx)
- ,fRho(rho)
- ,fX0(radLength)
- ,fTimeBinIndex(tbIndex)
- ,fPlane(plane)
- ,fYmax(0)
- ,fYmaxSensitive(0)
- ,fHole(kFALSE)
- ,fHoleZc(0)
- ,fHoleZmax(0)
- ,fHoleYc(0)
- ,fHoleYmax(0)
- ,fHoleRho(0)
- ,fHoleX0(0)
-{
- //
- // AliTRDpropagationLayer constructor
- //
-
- for (Int_t i = 0; i < (Int_t) kZones; i++) {
- fZc[i] = 0;
- fZmax[i] = 0;
- }
-
- if (fTimeBinIndex >= 0) {
- fClusters = new AliTRDcluster*[kMaxClusterPerTimeBin];
- fIndex = new UInt_t[kMaxClusterPerTimeBin];
- }
-
- for (Int_t i = 0; i < 5; i++) {
- fIsHole[i] = kFALSE;
- }
-
-}
-
-//_____________________________________________________________________________
-void AliTRDtracker::AliTRDpropagationLayer
- ::SetHole(Double_t Zmax, Double_t Ymax, Double_t rho
- , Double_t radLength, Double_t Yc, Double_t Zc)
-{
- //
- // Sets hole in the layer
- //
-
- fHole = kTRUE;
- fHoleZc = Zc;
- fHoleZmax = Zmax;
- fHoleYc = Yc;
- fHoleYmax = Ymax;
- fHoleRho = rho;
- fHoleX0 = radLength;
-
-}
//_____________________________________________________________________________
AliTRDtracker::AliTRDtrackingSector
zc[ch] = -(pad * nPads) / 2.0 + row0;
}
- dx = AliTRDcalibDB::Instance()->GetVdrift(0,0,0)
+ AliTRDcalibDB *fCalibration = AliTRDcalibDB::Instance();
+ dx = fCalibration->GetVdrift(0,0,0)
/ AliTRDCommonParam::Instance()->GetSamplingFrequency();
rho = 0.00295 * 0.85; //????
radLength = 11.0;
Double_t x0 = (Double_t) AliTRDgeometry::GetTime0(plane);
//Double_t xbottom = x0 - dxDrift;
//Double_t xtop = x0 + dxAmp;
+
+ //temporary !! (A.Bercuci)
+ Int_t T0 = (Int_t)fCalibration->GetT0Average(AliTRDgeometry::GetDetector(plane, 2, gs));
Int_t nTimeBins = AliTRDcalibDB::Instance()->GetNumberOfTimeBins();
for (Int_t iTime = 0; iTime < nTimeBins; iTime++) {
ppl->SetYmax(ymax,ymaxsensitive);
ppl->SetZ(zc,zmax,zmaxsensitive);
ppl->SetHoles(holes);
- InsertLayer(ppl);
+ if(iTime == T0) ppl->SetT0();
+
+ InsertLayer(ppl);
}
}
-//_____________________________________________________________________________
-void AliTRDtracker::AliTRDpropagationLayer
- ::SetZ(Double_t *center, Double_t *w, Double_t *wsensitive )
-{
- //
- // set centers and the width of sectors
- //
-
- for (Int_t icham = 0; icham < AliTRDgeometry::kNcham; icham++) {
- fZc[icham] = center[icham];
- fZmax[icham] = w[icham];
- fZmaxSensitive[icham] = wsensitive[icham];
- }
-
-}
-
-//_____________________________________________________________________________
-void AliTRDtracker::AliTRDpropagationLayer::SetHoles(Bool_t *holes)
-{
- //
- // set centers and the width of sectors
- //
-
- fHole = kFALSE;
-
- for (Int_t icham = 0; icham < AliTRDgeometry::kNcham; icham++) {
- fIsHole[icham] = holes[icham];
- if (holes[icham]) {
- fHole = kTRUE;
- }
- }
-
-}
-
-//_____________________________________________________________________________
-void AliTRDtracker::AliTRDpropagationLayer
- ::InsertCluster(AliTRDcluster *c, UInt_t index)
-{
- //
- // Insert cluster in cluster array.
- // Clusters are sorted according to Y coordinate.
- //
-
- if (fTimeBinIndex < 0) {
- //AliWarning("Attempt to insert cluster into non-sensitive time bin!\n");
- return;
- }
-
- if (fN == (Int_t) kMaxClusterPerTimeBin) {
- //AliWarning("Too many clusters !\n");
- return;
- }
-
- if (fN == 0) {
- fIndex[0] = index;
- fClusters[fN++] = c;
- return;
- }
-
- Int_t i = Find(c->GetY());
- memmove(fClusters+i+1,fClusters+i,(fN-i)*sizeof(AliTRDcluster*));
- memmove(fIndex +i+1,fIndex +i,(fN-i)*sizeof(UInt_t));
- fIndex[i] = index;
- fClusters[i] = c;
- fN++;
-
-}
-
-//_____________________________________________________________________________
-Int_t AliTRDtracker::AliTRDpropagationLayer::Find(Float_t y) const
-{
- //
- // Returns index of the cluster nearest in Y
- //
-
- if (fN <= 0) {
- return 0;
- }
- if (y <= fClusters[0]->GetY()) {
- return 0;
- }
- if (y > fClusters[fN-1]->GetY()) {
- return fN;
- }
-
- Int_t b = 0;
- Int_t e = fN - 1;
- Int_t m = (b + e) / 2;
-
- for ( ; b < e; m = (b + e) / 2) {
- if (y > fClusters[m]->GetY()) {
- b = m + 1;
- }
- else {
- e = m;
- }
- }
-
- return m;
-
-}
-
-//_____________________________________________________________________________
-Int_t AliTRDtracker::AliTRDpropagationLayer
- ::FindNearestCluster(Float_t y, Float_t z, Float_t maxroad
- , Float_t maxroadz) const
-{
- //
- // Returns index of the cluster nearest to the given y,z
- //
-
- Int_t index = -1;
- Int_t maxn = fN;
- Float_t mindist = maxroad;
-
- for (Int_t i = Find(y-maxroad); i < maxn; i++) {
- AliTRDcluster *c = (AliTRDcluster *) (fClusters[i]);
- Float_t ycl = c->GetY();
- if (ycl > (y + maxroad)) {
- break;
- }
- if (TMath::Abs(c->GetZ() - z) > maxroadz) {
- continue;
- }
- if (TMath::Abs(ycl - y) < mindist) {
- mindist = TMath::Abs(ycl - y);
- index = fIndex[i];
- }
- }
-
- return index;
-
-}
-
//_____________________________________________________________________________
Double_t AliTRDtracker::GetTiltFactor(const AliTRDcluster *c)
{
}
-
//_____________________________________________________________________________
Int_t AliTRDtracker::FindClusters(Int_t sector, Int_t t0, Int_t t1
, AliTRDtrack *track
AliTRDtrack *AliTRDtracker::RegisterSeed(AliTRDseed *seeds, Double_t *params)
{
//
- // Register a seed
+ // Build a TRD track out of tracklet candidates
+ //
+ // Parameters :
+ // seeds : array of tracklets
+ // params : track parameters (see MakeSeeds() function body for a detailed description)
+ //
+ // Output :
+ // The TRD track.
+ //
+ // Detailed description
//
+ // To be discussed with Marian !!
+ //
+
+ AliTRDcalibDB *cal = AliTRDcalibDB::Instance();
+ Int_t nTimeBins = cal->GetNumberOfTimeBins();
+
Double_t alpha = AliTRDgeometry::GetAlpha();
Double_t shift = AliTRDgeometry::GetAlpha()/2.0;
AliTRDcluster *cl = 0;
for (Int_t ilayer = 0; ilayer < 6; ilayer++) {
- if (seeds[ilayer].IsOK()) {
- for (Int_t itime = 22; itime > 0; itime--) {
- if (seeds[ilayer].GetIndexes(itime) > 0) {
- index = seeds[ilayer].GetIndexes(itime);
- cl = seeds[ilayer].GetClusters(itime);
- break;
- }
+
+ if (seeds[ilayer].IsOK()) {
+ for (Int_t itime = nTimeBins-1; itime > 0; itime--) {
+ if (seeds[ilayer].GetIndexes(itime) > 0) {
+ index = seeds[ilayer].GetIndexes(itime);
+ cl = seeds[ilayer].GetClusters(itime);
+ //printf("l[%d] index[%d] tb[%d] cptr[%p]\n", ilayer, index, itime, cl);
+ break;
+ }
}
}
if (index > 0) {
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