// The standard TRD tracker //
// Based on Kalman filltering approach //
// //
+// Authors: //
+// M. Ivanov (Marian.Ivanov@cern.ch) //
+// //
///////////////////////////////////////////////////////////////////////////////
-#include <Riostream.h>
-
-#include <TFile.h>
#include <TBranch.h>
-#include <TTree.h>
-#include <TObjArray.h>
-#include <TTreeStream.h>
+#include <TFile.h>
#include <TGraph.h>
#include <TLinearFitter.h>
+#include <TObjArray.h>
+#include <TROOT.h>
+#include <TTree.h>
+#include <TTreeStream.h>
-#include "AliESD.h"
+#include "AliESDEvent.h"
+#include "AliESDtrack.h"
+//#include "AliAlignObj.h"
+#include "AliGeomManager.h"
#include "AliRieman.h"
-#include "AliAlignObj.h"
#include "AliTrackPointArray.h"
-#include "AliLog.h"
#include "AliTRDgeometry.h"
#include "AliTRDpadPlane.h"
#include "AliTRDCommonParam.h"
#include "AliTRDtracker.h"
#include "AliTRDReconstructor.h"
+#include "AliTRDrecoParam.h"
+#include "AliTRDCalibraFillHisto.h"
-ClassImp(AliTRDtracker)
+ClassImp(AliTRDtracker)
- const Float_t AliTRDtracker::fgkMinClustersInTrack = 0.5;
- const Float_t AliTRDtracker::fgkLabelFraction = 0.8;
- const Double_t AliTRDtracker::fgkMaxChi2 = 12.;
- const Double_t AliTRDtracker::fgkMaxSnp = 0.95; // correspond to tan = 3
- const Double_t AliTRDtracker::fgkMaxStep = 2.; // maximal step size in propagation
+const Float_t AliTRDtracker::fgkMinClustersInTrack = 0.5; //
+const Float_t AliTRDtracker::fgkLabelFraction = 0.8; //
+const Double_t AliTRDtracker::fgkMaxChi2 = 12.0; //
+const Double_t AliTRDtracker::fgkMaxSnp = 0.95; // Maximum local sine of the azimuthal angle
+const Double_t AliTRDtracker::fgkMaxStep = 2.0; // Maximal step size in propagation
//_____________________________________________________________________________
-AliTRDtracker::AliTRDtracker()
+AliTRDtracker::AliTRDtracker(AliTRDReconstructor *rec)
:AliTracker()
+ ,fReconstructor(rec)
,fGeom(0)
,fNclusters(0)
,fClusters(0)
,fTimeBinsPerPlane(0)
,fAddTRDseeds(kFALSE)
,fNoTilt(kFALSE)
+ ,fHBackfit(NULL)
+ ,fHClSearch(NULL)
+ ,fHRefit(NULL)
+ ,fHX(NULL)
+ ,fHNCl(NULL)
+ ,fHNClTrack(NULL)
+ ,fHMinYPos(NULL)
+ ,fHMinYNeg(NULL)
+ ,fHMinZ(NULL)
+ ,fHMinD(NULL)
+ ,fHDeltaX(NULL)
+ ,fHXCl(NULL)
,fDebugStreamer(0)
{
//
for (Int_t i = 0; i < kTrackingSectors; i++) {
fTrSec[i] = 0;
}
- for (Int_t j = 0; j < 5; j++) {
- for (Int_t k = 0; k < 18; k++) {
- fHoles[j][k] = kFALSE;
- }
- }
+
+ InitLogHists();
}
//_____________________________________________________________________________
-AliTRDtracker::AliTRDtracker(const AliTRDtracker &t)
- :AliTracker(t)
+AliTRDtracker::AliTRDtracker(const AliTRDtracker &t)
+ :AliTracker(t)
+ ,fReconstructor(t.fReconstructor)
,fGeom(0)
,fNclusters(0)
,fClusters(0)
,fTimeBinsPerPlane(0)
,fAddTRDseeds(kFALSE)
,fNoTilt(kFALSE)
+ ,fHBackfit(NULL)
+ ,fHClSearch(NULL)
+ ,fHRefit(NULL)
+ ,fHX(NULL)
+ ,fHNCl(NULL)
+ ,fHNClTrack(NULL)
+ ,fHMinYPos(NULL)
+ ,fHMinYNeg(NULL)
+ ,fHMinZ(NULL)
+ ,fHMinD(NULL)
+ ,fHDeltaX(NULL)
+ ,fHXCl(NULL)
,fDebugStreamer(0)
-{
+{
//
// Copy constructor
//
}
//_____________________________________________________________________________
-AliTRDtracker::AliTRDtracker(const TFile *geomfile)
+AliTRDtracker::AliTRDtracker(const TFile */*geomfile*/, AliTRDReconstructor *rec)
:AliTracker()
+ ,fReconstructor(rec)
,fGeom(0)
,fNclusters(0)
,fClusters(new TObjArray(2000))
,fTimeBinsPerPlane(0)
,fAddTRDseeds(kFALSE)
,fNoTilt(kFALSE)
+ ,fHBackfit(NULL)
+ ,fHClSearch(NULL)
+ ,fHRefit(NULL)
+ ,fHX(NULL)
+ ,fHNCl(NULL)
+ ,fHNClTrack(NULL)
+ ,fHMinYPos(NULL)
+ ,fHMinYNeg(NULL)
+ ,fHMinZ(NULL)
+ ,fHMinD(NULL)
+ ,fHDeltaX(NULL)
+ ,fHXCl(NULL)
,fDebugStreamer(0)
{
//
//
TDirectory *savedir = gDirectory;
- TFile *in = (TFile *) geomfile;
- if (!in->IsOpen()) {
- AliWarning("Geometry file is not open!\n");
- AliWarning("FULL TRD geometry and DEFAULT TRD parameter will be used\n");
- }
- else {
- in->cd();
- fGeom = (AliTRDgeometry *) in->Get("TRDgeometry");
- }
-
- if (!fGeom) {
- AliWarning("Can't find TRD geometry!\n");
- fGeom = new AliTRDgeometry();
- }
- fGeom->ReadGeoMatrices();
-
- savedir->cd();
+ fGeom = new AliTRDgeometry();
for (Int_t geomS = 0; geomS < kTrackingSectors; geomS++) {
- Int_t trS = CookSectorIndex(geomS);
+ Int_t trS = geomS;
fTrSec[trS] = new AliTRDtrackingSector(fGeom,geomS);
- for (Int_t icham = 0; icham < AliTRDgeometry::kNcham; icham++) {
- fHoles[icham][trS] = fGeom->IsHole(0,icham,geomS);
- }
}
- AliTRDpadPlane *padPlane = AliTRDCommonParam::Instance()->GetPadPlane(0,0);
+
+ AliTRDpadPlane *padPlane = fGeom->GetPadPlane(0,0);
Float_t tiltAngle = TMath::Abs(padPlane->GetTiltingAngle());
if (tiltAngle < 0.1) {
fNoTilt = kTRUE;
}
- fTimeBinsPerPlane = AliTRDcalibDB::Instance()->GetNumberOfTimeBins();
+ if (!AliTRDcalibDB::Instance()) {
+ AliFatal("Could not get calibration object");
+ }
+ fTimeBinsPerPlane = AliTRDcalibDB::Instance()->GetNumberOfTimeBinsDCS();
fDebugStreamer = new TTreeSRedirector("TRDdebug.root");
savedir->cd();
+
+ InitLogHists();
}
fClusters->Delete();
delete fClusters;
}
+
if (fTracks) {
fTracks->Delete();
delete fTracks;
}
+
if (fSeeds) {
fSeeds->Delete();
delete fSeeds;
}
- delete fGeom;
- for(Int_t geomS = 0; geomS < kTrackingSectors; geomS++) {
+ if (fGeom) {
+ delete fGeom;
+ }
+
+ for (Int_t geomS = 0; geomS < kTrackingSectors; geomS++) {
delete fTrSec[geomS];
}
+
if (fDebugStreamer) {
delete fDebugStreamer;
}
// Transform internal TRD ID to global detector ID
//
- Int_t isector = fGeom->GetSector(lid);
- Int_t ichamber = fGeom->GetChamber(lid);
- Int_t iplan = fGeom->GetPlane(lid);
- //
- AliAlignObj::ELayerID iLayer = AliAlignObj::kTRD1;
- switch (iplan) {
+ Int_t isector = fGeom->GetSector(lid);
+ Int_t istack = fGeom->GetStack(lid);
+ Int_t ilayer = fGeom->GetLayer(lid);
+
+ AliGeomManager::ELayerID iLayer = AliGeomManager::kTRD1;
+ switch (ilayer) {
case 0:
- iLayer = AliAlignObj::kTRD1;
+ iLayer = AliGeomManager::kTRD1;
break;
case 1:
- iLayer = AliAlignObj::kTRD2;
+ iLayer = AliGeomManager::kTRD2;
break;
case 2:
- iLayer = AliAlignObj::kTRD3;
+ iLayer = AliGeomManager::kTRD3;
break;
case 3:
- iLayer = AliAlignObj::kTRD4;
+ iLayer = AliGeomManager::kTRD4;
break;
case 4:
- iLayer = AliAlignObj::kTRD5;
+ iLayer = AliGeomManager::kTRD5;
break;
case 5:
- iLayer = AliAlignObj::kTRD6;
+ iLayer = AliGeomManager::kTRD6;
break;
};
- Int_t modId = isector * fGeom->Ncham() + ichamber;
- UShort_t volid = AliAlignObj::LayerToVolUID(iLayer,modId);
+ Int_t modId = isector * fGeom->Nstack() + istack;
+ UShort_t volid = AliGeomManager::LayerToVolUID(iLayer,modId);
return volid;
// Transform global detector ID to local detector ID
//
- Int_t modId = 0;
- AliAlignObj::ELayerID layerId = AliAlignObj::VolUIDToLayer(gid,modId);
- Int_t isector = modId / fGeom->Ncham();
- Int_t ichamber = modId % fGeom->Ncham();
- Int_t iLayer = -1;
+ Int_t modId = 0;
+ AliGeomManager::ELayerID layerId = AliGeomManager::VolUIDToLayer(gid,modId);
+
+ Int_t isector = modId / fGeom->Nstack();
+ Int_t istack = modId % fGeom->Nstack();
+ Int_t iLayer = -1;
+
switch (layerId) {
- case AliAlignObj::kTRD1:
- iLayer = 0;
+ case AliGeomManager::kTRD1:
+ iLayer = 0;
break;
- case AliAlignObj::kTRD2:
- iLayer = 1;
+ case AliGeomManager::kTRD2:
+ iLayer = 1;
break;
- case AliAlignObj::kTRD3:
- iLayer = 2;
+ case AliGeomManager::kTRD3:
+ iLayer = 2;
break;
- case AliAlignObj::kTRD4:
- iLayer = 3;
+ case AliGeomManager::kTRD4:
+ iLayer = 3;
break;
- case AliAlignObj::kTRD5:
- iLayer = 4;
+ case AliGeomManager::kTRD5:
+ iLayer = 4;
break;
- case AliAlignObj::kTRD6:
- iLayer = 5;
+ case AliGeomManager::kTRD6:
+ iLayer = 5;
break;
default:
- iLayer = -1;
+ iLayer =-1;
}
- if (iLayer < 0) return -1;
- Int_t lid = fGeom->GetDetector(iLayer,ichamber,isector);
- return lid;
-
-}
-
-//_____________________________________________________________________________
-Bool_t AliTRDtracker::Transform(AliTRDcluster *cluster)
-{
- //
- // Transform something ... whatever ...
- //
-
- // Magic constants for geo manager transformation
- const Double_t kX0shift = 2.52;
- const Double_t kX0shift5 = 3.05;
-
- //
- // Apply alignment and calibration to transform cluster
- //
- Int_t detector = cluster->GetDetector();
- Int_t plane = fGeom->GetPlane(cluster->GetDetector());
- Int_t chamber = fGeom->GetChamber(cluster->GetDetector());
- Int_t sector = fGeom->GetSector(cluster->GetDetector());
-
- Double_t dxAmp = (Double_t) fGeom->CamHght(); // Amplification region
- Double_t driftX = TMath::Max(cluster->GetX()-dxAmp*0.5,0.0); // Drift distance
-
- //
- // ExB correction
- //
- Double_t vdrift = AliTRDcalibDB::Instance()->GetVdrift(cluster->GetDetector(),0,0);
- Double_t exB = AliTRDcalibDB::Instance()->GetOmegaTau(vdrift);
-
- AliTRDCommonParam *commonParam = AliTRDCommonParam::Instance();
- AliTRDpadPlane *padPlane = commonParam->GetPadPlane(plane,chamber);
- Double_t zshiftIdeal = 0.5*(padPlane->GetRow0()+padPlane->GetRowEnd());
- Double_t localPos[3];
- Double_t localPosTracker[3];
- localPos[0] = -cluster->GetX();
- localPos[1] = cluster->GetY() - driftX*exB;
- localPos[2] = cluster->GetZ() - zshiftIdeal;
-
- cluster->SetY(cluster->GetY() - driftX*exB);
- Double_t xplane = (Double_t) AliTRDgeometry::GetTime0(plane);
- cluster->SetX(xplane- cluster->GetX());
-
- TGeoHMatrix *matrix = fGeom->GetCorrectionMatrix(cluster->GetDetector());
- if (!matrix){
- // No matrix found - if somebody used geometry with holes
- AliError("Invalid Geometry - Default Geometry used\n");
- return kTRUE;
- }
- matrix->LocalToMaster(localPos, localPosTracker);
-
- if (AliTRDReconstructor::StreamLevel() > 1) {
- (* fDebugStreamer) << "Transform"
- << "Cl.=" << cluster
- << "matrix.=" << matrix
- << "Detector=" << detector
- << "Sector=" << sector
- << "Plane=" << plane
- << "Chamber=" << chamber
- << "lx0=" << localPosTracker[0]
- << "ly0=" << localPosTracker[1]
- << "lz0=" << localPosTracker[2]
- << "\n";
- }
-
- if (plane == 5) {
- cluster->SetX(localPosTracker[0]+kX0shift5);
- }
- else {
- cluster->SetX(localPosTracker[0]+kX0shift);
+ if (iLayer < 0) {
+ return -1;
}
- cluster->SetY(localPosTracker[1]);
- cluster->SetZ(localPosTracker[2]);
- return kTRUE;
+ Int_t lid = fGeom->GetDetector(iLayer,istack,isector);
-}
+ return lid;
-//_____________________________________________________________________________
-// Bool_t AliTRDtracker::Transform(AliTRDcluster * cluster)
-//{
-// //
-// //
-// const Double_t kDriftCorrection = 1.01; // drift coeficient correction
-// const Double_t kTime0Cor = 0.32; // time0 correction
-// //
-// const Double_t kX0shift = 2.52;
-// const Double_t kX0shift5 = 3.05;
-
-// //
-// // apply alignment and calibration to transform cluster
-// //
-// //
-// Int_t detector = cluster->GetDetector();
-// Int_t plane = fGeom->GetPlane(cluster->GetDetector());
-// Int_t chamber = fGeom->GetChamber(cluster->GetDetector());
-// Int_t sector = fGeom->GetSector(cluster->GetDetector());
-
-// Double_t dxAmp = (Double_t) fGeom->CamHght(); // Amplification region
-// Double_t driftX = TMath::Max(cluster->GetX()-dxAmp*0.5,0.); // drift distance
-// //
-// // ExB correction
-// //
-// Double_t vdrift = AliTRDcalibDB::Instance()->GetVdrift(cluster->GetDetector(),0,0);
-// Double_t exB = AliTRDcalibDB::Instance()->GetOmegaTau(vdrift);
-// //
-
-// AliTRDCommonParam* commonParam = AliTRDCommonParam::Instance();
-// AliTRDpadPlane * padPlane = commonParam->GetPadPlane(plane,chamber);
-// Double_t zshiftIdeal = 0.5*(padPlane->GetRow0()+padPlane->GetRowEnd());
-// Double_t localPos[3], globalPos[3], localPosTracker[3], localPosTracker2[3];
-// localPos[2] = -cluster->GetX();
-// localPos[0] = cluster->GetY() - driftX*exB;
-// localPos[1] = cluster->GetZ() -zshiftIdeal;
-// TGeoHMatrix * matrix = fGeom->GetGeoMatrix(cluster->GetDetector());
-// matrix->LocalToMaster(localPos, globalPos);
-
-// Double_t sectorAngle = 20.*(sector%18)+10;
-// TGeoHMatrix rotSector;
-// rotSector.RotateZ(sectorAngle);
-// rotSector.LocalToMaster(globalPos, localPosTracker);
-// //
-// //
-// TGeoHMatrix matrix2(*matrix);
-// matrix2.MultiplyLeft(&rotSector);
-// matrix2.LocalToMaster(localPos,localPosTracker2);
-// //
-// //
-// //
-// cluster->SetY(cluster->GetY() - driftX*exB);
-// Double_t xplane = (Double_t) AliTRDgeometry::GetTime0(plane);
-// cluster->SetX(xplane- kDriftCorrection*(cluster->GetX()-kTime0Cor));
-// (*fDebugStreamer)<<"Transform"<<
-// "Cl.="<<cluster<<
-// "matrix.="<<matrix<<
-// "matrix2.="<<&matrix2<<
-// "Detector="<<detector<<
-// "Sector="<<sector<<
-// "Plane="<<plane<<
-// "Chamber="<<chamber<<
-// "lx0="<<localPosTracker[0]<<
-// "ly0="<<localPosTracker[1]<<
-// "lz0="<<localPosTracker[2]<<
-// "lx2="<<localPosTracker2[0]<<
-// "ly2="<<localPosTracker2[1]<<
-// "lz2="<<localPosTracker2[2]<<
-// "\n";
-// //
-// if (plane==5)
-// cluster->SetX(localPosTracker[0]+kX0shift5);
-// else
-// cluster->SetX(localPosTracker[0]+kX0shift);
-
-// cluster->SetY(localPosTracker[1]);
-// cluster->SetZ(localPosTracker[2]);
-// return kTRUE;
-// }
+}
//_____________________________________________________________________________
-Bool_t AliTRDtracker::AdjustSector(AliTRDtrack *track)
+Bool_t AliTRDtracker::AdjustSector(AliTRDtrack* const track) const
{
//
// Rotates the track when necessary
Double_t alpha = AliTRDgeometry::GetAlpha();
Double_t y = track->GetY();
- Double_t ymax = track->GetX() * TMath::Tan(0.5*alpha);
-
- //Int_t ns = AliTRDgeometry::kNsect;
- //Int_t s=Int_t(track->GetAlpha()/alpha)%ns;
+ Double_t ymax = track->GetX()*TMath::Tan(0.5*alpha);
if (y > ymax) {
- //s = (s+1) % ns;
- if (!track->Rotate(alpha)) {
+ if (!track->Rotate( alpha)) {
return kFALSE;
}
}
else if (y < -ymax) {
- //s = (s-1+ns) % ns;
if (!track->Rotate(-alpha)) {
return kFALSE;
}
}
//_____________________________________________________________________________
-AliTRDcluster *AliTRDtracker::GetCluster(AliTRDtrack *track, Int_t plane
+AliTRDcluster *AliTRDtracker::GetCluster(AliTRDtrack * const track, Int_t plane
, Int_t timebin, UInt_t &index)
{
//
// Try to find cluster in the backup list
//
- AliTRDcluster *cl = 0;
- Int_t *indexes = track->GetBackupIndexes();
+ AliTRDcluster *cl =0;
+ const Int_t *indexes = track->GetBackupIndexes();
for (UInt_t i = 0; i < kMaxTimeBinIndex; i++) {
- if (indexes[i] == 0) break;
+ if (indexes[i] == 0) {
+ break;
+ }
AliTRDcluster *cli = (AliTRDcluster *) fClusters->UncheckedAt(indexes[i]);
if (!cli) {
break;
if (cli->GetLocalTimeBin() != timebin) {
continue;
}
- Int_t iplane = fGeom->GetPlane(cli->GetDetector());
- if (iplane == plane) {
+ Int_t ilayer = fGeom->GetLayer(cli->GetDetector());
+ if (ilayer == plane) {
cl = cli;
index = indexes[i];
break;
}
//_____________________________________________________________________________
-Int_t AliTRDtracker::GetLastPlane(AliTRDtrack *track)
+Int_t AliTRDtracker::GetLastPlane(AliTRDtrack * const track)
{
//
// Return last updated plane
//
Int_t lastplane = 0;
- Int_t *indexes = track->GetBackupIndexes();
+ const Int_t *indexes = track->GetBackupIndexes();
for (UInt_t i = 0; i < kMaxTimeBinIndex; i++) {
AliTRDcluster *cli = (AliTRDcluster *) fClusters->UncheckedAt(indexes[i]);
if (!cli) {
break;
}
- Int_t iplane = fGeom->GetPlane(cli->GetDetector());
- if (iplane > lastplane) {
- lastplane = iplane;
+ Int_t ilayer = fGeom->GetLayer(cli->GetDetector());
+ if (ilayer > lastplane) {
+ lastplane = ilayer;
}
}
return lastplane;
}
-
-//_____________________________________________________________________________
-Int_t AliTRDtracker::Clusters2Tracks(AliESD* 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;
- 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(AliESD *event)
+Int_t AliTRDtracker::PropagateBack(AliESDEvent *event)
{
//
// Gets seeds from ESD event. The seeds are AliTPCtrack's found and
// by the TPC tracker.
//
- Int_t found = 0;
- Float_t foundMin = 20;
- Int_t n = event->GetNumberOfTracks();
-
- // Sort tracks
- Float_t *quality = new Float_t[n];
- Int_t *index = new Int_t[n];
- for (Int_t i = 0; i < n; i++) {
- AliESDtrack *seed = event->GetTrack(i);
- Double_t covariance[15];
- seed->GetExternalCovariance(covariance);
- quality[i] = covariance[0]+covariance[2];
- }
- TMath::Sort(n,quality,index,kFALSE);
-
- for (Int_t i = 0; i < n; i++) {
-
- AliESDtrack* seed=event->GetTrack(index[i]);
-
- ULong_t status = seed->GetStatus();
- if ((status & AliESDtrack::kTPCout) == 0) continue;
- if ((status & AliESDtrack::kTRDout) != 0) continue;
-
- 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);
- if ((TMath::Abs(track->GetC()-p4)/TMath::Abs(p4) < 0.2) ||
- (TMath::Abs(track->GetPt()) > 0.8)) {
-
- //
- // Make backup for back propagation
- //
- Int_t foundClr = track->GetNumberOfClusters();
- if (foundClr >= foundMin) {
- track->CookdEdx();
- CookdEdxTimBin(*track);
- CookLabel(track,1-fgkLabelFraction);
- if (track->GetBackupTrack()) {
- UseClusters(track->GetBackupTrack());
- }
- if (track->GetChi2()/track->GetNumberOfClusters() < 4) {
- // Sign only gold tracks
- if ((seed->GetKinkIndex(0) == 0) &&
- (TMath::Abs(track->GetPt()) < 1.5)) {
- UseClusters(track);
- }
- }
- Bool_t isGold = kFALSE;
+ Int_t found = 0; // number of tracks found
+ Float_t foundMin = 20.0;
- if (track->GetChi2()/track->GetNumberOfClusters() < 5) {
- // Full gold track
- //seed->UpdateTrackParams(track, AliESDtrack::kTRDbackup);
- if (track->GetBackupTrack()) {
- seed->UpdateTrackParams(track->GetBackupTrack(),AliESDtrack::kTRDbackup);
- }
- isGold = kTRUE;
- }
- if ((!isGold) &&
- (track->GetNCross() == 0) &&
- (track->GetChi2()/track->GetNumberOfClusters() < 7)){
- // Almost gold track
- //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->fNCross == 0) &&
- (Float_t(track->fN)/Float_t(track->fNExpected) > 0.4)){
- //seed->UpdateTrackParams(track->GetBackupTrack(),AliESDtrack::kTRDbackup);
- }
- }
- }
-
- // Debug part of tracking
- TTreeSRedirector &cstream = *fDebugStreamer;
- Int_t eventNr = event->GetEventNumber();
- if (AliTRDReconstructor::StreamLevel() > 0) {
- if (track->GetBackupTrack()) {
- cstream << "Tracks"
- << "EventNr=" << eventNr
- << "ESD.=" << seed
- << "trd.=" << track
- << "trdback.=" << track->GetBackupTrack()
- << "\n";
- }
- else {
- cstream << "Tracks"
- << "EventNr=" << eventNr
- << "ESD.=" << seed
- << "trd.=" << track
- << "trdback.=" << track
- << "\n";
- }
- }
-
- // Propagation to the TOF (I.Belikov)
- if (track->GetStop() == kFALSE) {
-
- //????
- Double_t xtof = 371.0;
- Double_t c2 = track->GetC()*xtof - track->GetEta();
- if (TMath::Abs(c2) >= 0.99) {
- delete track;
- continue;
- }
- Double_t xTOF0 = 370. ;
- PropagateToX(*track,xTOF0,fgkMaxStep);
-
- // Energy losses taken to the account - check one more time
- c2 = track->GetC()*xtof - track->GetEta();
- if (TMath::Abs(c2) >= 0.99) {
- delete track;
- continue;
- }
-
- Double_t ymax = xtof*TMath::Tan(0.5*AliTRDgeometry::GetAlpha());
- Double_t y = track->GetYat(xtof);
- if (y > ymax) {
- if (!track->Rotate(AliTRDgeometry::GetAlpha())) {
- delete track;
- continue;
+ Int_t nSeed = event->GetNumberOfTracks();
+ if(!nSeed){
+ // run stand alone tracking
+ if (fReconstructor->IsSeeding()) Clusters2Tracks(event);
+ return 0;
}
- }
- else if (y < -ymax) {
- if (!track->Rotate(-AliTRDgeometry::GetAlpha())) {
- delete track;
- continue;
+
+ 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];
}
- }
-
- if (track->PropagateTo(xtof)) {
- seed->UpdateTrackParams(track,AliESDtrack::kTRDout);
- 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) {
- found++;
+ // Sort tracks according to covariance of local Y and Z
+ 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;
+
+ // 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 (fReconstructor->GetRecoParam()->GetStreamLevel(AliTRDrecoParam::kTracker) > 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);
+
+ seed->SetNumberOfTRDslices(AliTRDCalPID::kNSlicesLQ);
+ for (Int_t i = 0; i < AliTRDtrack::kNplane; i++) {
+ for (Int_t j = 0; j < AliTRDCalPID::kNSlicesLQ; j++) {
+ seed->SetTRDslice(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);
+
+ seed->SetNumberOfTRDslices(AliTRDCalPID::kNSlicesLQ);
+ for (Int_t i = 0; i < AliTRDtrack::kNplane; i++) {
+ for (Int_t j = 0; j <AliTRDCalPID::kNSlicesLQ; j++) {
+ seed->SetTRDslice(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 {
- if ((track->GetNumberOfClusters() > 15) &&
- (track->GetNumberOfClusters() > 0.5*expectedClr)) {
- seed->UpdateTrackParams(track,AliESDtrack::kTRDout);
- //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->fBudget[0]);
-
- 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;
+
+ 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 AliTRDtracker::RefitInward(AliESD *event)
+Int_t AliTRDtracker::RefitInward(AliESDEvent *event)
{
//
// Refits tracks within the TRD. The ESD event is expected to contain seeds
// Origin: Thomas KUHR (Thomas.Kuhr@cern.ch)
//
- Int_t timeBins = fTrSec[0]->GetNumberOfTimeBins();
- Float_t foundMin = fgkMinClustersInTrack * timeBins;
+ //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 pidQ = 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++) {
+
AliESDtrack *seed = event->GetTrack(i);
- new(&seed2) AliTRDtrack(*seed);
- if (seed2.GetX() < 270) {
- // Backup TPC track - only update
- seed->UpdateTrackParams(&seed2,AliESDtrack::kTRDbackup);
+ new (&seed2) AliTRDtrack(*seed);
+ fHRefit->Fill(0);
+
+ if (seed2.GetX() < 270.0) {
+ seed->UpdateTrackParams(&seed2,AliESDtrack::kTRDbackup); // Backup TPC track - only update
+ fHRefit->Fill(1);
continue;
}
ULong_t status = seed->GetStatus();
if ((status & AliESDtrack::kTRDout) == 0) {
+ fHRefit->Fill(2);
continue;
}
if ((status & AliESDtrack::kTRDin) != 0) {
+ fHRefit->Fill(3);
continue;
}
- nseed++;
+
+ nseed++;
+ fHRefit->Fill(4);
+
+ seed2.ResetCovariance(50.0);
AliTRDtrack *pt = new AliTRDtrack(seed2,seed2.GetAlpha());
- Int_t *indexes2 = seed2.GetIndexes();
- for (Int_t i = 0; i < AliESDtrack::kNPlane; i++) {
- for (Int_t j = 0; j < AliESDtrack::kNSlice; j++) {
- pt->SetPIDsignals(seed2.GetPIDsignals(i,j),i,j);
+ const Int_t *indexes2 = seed2.GetIndexes();
+ for (Int_t l = 0; l < AliTRDtrack::kNplane;++l) {
+ for (Int_t j = 0; j < AliTRDCalPID::kNSlicesLQ;j++) {
+ pt->SetPIDsignals(seed2.GetPIDsignals(l,j),l,j);
}
- pt->SetPIDTimBin(seed2.GetPIDTimBin(i),i);
- }
-
- Int_t *indexes3 = pt->GetBackupIndexes();
- for (Int_t i = 0; i < 200; i++) {
- if (indexes2[i] == 0) break;
- indexes3[i] = indexes2[i];
- }
- //AliTRDtrack *pt = seed2;
- AliTRDtrack &t = *pt;
- FollowProlongation(t);
- if (t.GetNumberOfClusters() >= foundMin) {
- //UseClusters(&t);
- //CookLabel(pt,1-fgkLabelFraction);
- t.CookdEdx();
- CookdEdxTimBin(t);
+ pt->SetPIDTimBin(seed2.GetPIDTimBin(l),l);
}
+
+ Int_t *indexes3 = const_cast<Int_t *>(pt->GetBackupIndexes());
+ for (Int_t l = 0; l < 200;++l) {
+ if (indexes2[l] == 0) {
+ break;
+ }
+ indexes3[l] = indexes2[l];
+ }
+
+ FollowProlongation(*pt);
+ pt->CookdEdx();
+ pt->CookdEdxTimBin(seed->GetID());
+
+ //calculate PID methods
+ pt->SetPIDMethod(AliTRDtrack::kLQ);
+ pt->CookPID(pidQ);
+ seed->SetTRDpid(pt->GetPID());
+ seed->SetTRDntracklets(pidQ<<3);
+
+ // update calibration
+ if(calibra->GetHisto2d()) calibra->UpdateHistograms(pt);
found++;
- Double_t xTPC = 250;
- if (PropagateToX(t,xTPC,fgkMaxStep)) {
+ Double_t xTPC = 250.0;
+ if (PropagateToX(*pt,xTPC,fgkMaxStep)) {
seed->UpdateTrackParams(pt,AliESDtrack::kTRDrefit);
- for (Int_t i = 0; i < AliESDtrack::kNPlane; i++) {
- for (Int_t j = 0;j < AliESDtrack::kNSlice; j++) {
- seed->SetTRDsignals(pt->GetPIDsignals(i,j),i,j);
- }
- seed->SetTRDTimBin(pt->GetPIDTimBin(i),i);
+ fHRefit->Fill(5);
+
+ for (Int_t l = 0; l < AliTRDtrack::kNplane; ++l) {
+ for (Int_t j = 0; j < AliTRDCalPID::kNSlicesLQ; j++) {
+ seed->SetTRDslice(pt->GetPIDsignals(l,j),l,j);
+ }
+ seed->SetTRDTimBin(pt->GetPIDTimBin(l),l);
}
- }
- else{
+ } else {
// If not prolongation to TPC - propagate without update
- AliTRDtrack *seed2 = new AliTRDtrack(*seed);
- seed2->ResetCovariance(5.);
- AliTRDtrack *pt2 = new AliTRDtrack(*seed2,seed2->GetAlpha());
- delete seed2;
+ fHRefit->Fill(5);
+ AliTRDtrack *seed2t = new AliTRDtrack(*seed);
+ seed2t->ResetCovariance(5.0);
+ AliTRDtrack *pt2 = new AliTRDtrack(*seed2t,seed2t->GetAlpha());
+ delete seed2t;
+
if (PropagateToX(*pt2,xTPC,fgkMaxStep)) {
- pt2->CookdEdx();
- CookdEdxTimBin(*pt2);
- seed->UpdateTrackParams(pt2,AliESDtrack::kTRDrefit);
- for (Int_t i = 0; i < AliESDtrack::kNPlane; i++) {
- for (Int_t j = 0; j < AliESDtrack::kNSlice; j++) {
- seed->SetTRDsignals(pt2->GetPIDsignals(i,j),i,j);
- }
- seed->SetTRDTimBin(pt2->GetPIDTimBin(i),i);
+ pt2->CookdEdx();
+ pt2->CookdEdxTimBin(seed->GetID());
+ seed->UpdateTrackParams(pt2,AliESDtrack::kTRDrefit);
+ fHRefit->Fill(6);
+
+ for (Int_t l = 0; l < AliTRDtrack::kNplane; ++l) {
+ for (Int_t j = 0; j < AliTRDCalPID::kNSlicesLQ; j++) {
+ seed->SetTRDslice(pt2->GetPIDsignals(l,j),l,j);
+ }
+ seed->SetTRDTimBin(pt2->GetPIDTimBin(l),l);
}
}
+
+ // Add TRD track to ESDfriendTrack - maybe this tracks are
+ // not useful for post-processing - TODO make decision
+ if (fReconstructor->GetRecoParam()->GetStreamLevel(AliTRDrecoParam::kTracker) > 0) {
+ seed->AddCalibObject(new AliTRDtrack(*pt2/*, kTRUE*/));
+ }
delete pt2;
- }
+
+ }
+
+ // Add TRD track to ESDfriendTrack
+ if (fReconstructor->GetRecoParam()->GetStreamLevel(AliTRDrecoParam::kTracker) > 0) {
+ seed->AddCalibObject(new AliTRDtrack(*pt/*, kTRUE*/));
+ }
delete pt;
+
}
AliInfo(Form("Number of loaded seeds: %d",nseed));
AliInfo(Form("Number of found tracks from loaded seeds: %d",found));
+ SaveLogHists();
+
return 0;
}
Int_t sector;
Int_t lastplane = GetLastPlane(&t);
- Double_t radLength = 0.0;
- Double_t rho = 0.0;
+ Double_t xx0 = 0.0;
+ Double_t xrho= 0.0;
Int_t expectedNumberOfClusters = 0;
for (Int_t iplane = lastplane; iplane >= 0; iplane--) {
-
- Int_t row0 = GetGlobalTimeBin(0,iplane,GetTimeBinsPerPlane()-1);
- Int_t rowlast = GetGlobalTimeBin(0,iplane,0);
- //
+ Int_t row0 = GetGlobalTimeBin(0,iplane,GetTimeBinsPerPlane()-1);
+ Int_t rowlast = GetGlobalTimeBin(0,iplane,0);
+
// Propagate track close to the plane if neccessary
- //
Double_t currentx = fTrSec[0]->GetLayer(rowlast)->GetX();
if (currentx < (-fgkMaxStep + t.GetX())) {
- // Propagate closer to chamber - safety space fgkMaxStep
- if (!PropagateToX(t,currentx+fgkMaxStep,fgkMaxStep)) break;
+ // Propagate closer to chamber - safety space fgkMaxStep
+ if (!PropagateToX(t,currentx+fgkMaxStep,fgkMaxStep)) {
+ break;
+ }
+ }
+
+ if (!AdjustSector(&t)) {
+ break;
}
- if (!AdjustSector(&t)) break;
- //
// 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;
+
// Starting global position
- t.GetGlobalXYZ(xyz0[0],xyz0[1],xyz0[2]);
+ t.GetXYZ(xyz0);
// End global position
x = fTrSec[0]->GetLayer(row0)->GetX();
- if (!t.GetProlongation(x,y,z)) break;
- xyz1[0] = x * TMath::Cos(t.GetAlpha()) - y*TMath::Sin(t.GetAlpha());
- xyz1[1] = +x * TMath::Sin(t.GetAlpha()) + y*TMath::Cos(t.GetAlpha());
+ if (!t.GetProlongation(x,y,z)) {
+ break;
+ }
+ xyz1[0] = x * TMath::Cos(t.GetAlpha()) - y * TMath::Sin(t.GetAlpha());
+ xyz1[1] = +x * TMath::Sin(t.GetAlpha()) + y * TMath::Cos(t.GetAlpha());
xyz1[2] = z;
- AliKalmanTrack::MeanMaterialBudget(xyz0,xyz1,param);
- // Get mean propagation parameters
- rho = param[0];
- radLength = param[1];
+ AliTracker::MeanMaterialBudget(xyz0,xyz1,param);
+ xrho= param[0]*param[4];
+ xx0 = param[1]; // Get mean propagation parameters
- //
- // propagate and update
- //
+ // Flags for marking the track momentum and direction. The track is
+ // marked only if it has at least 1 cluster picked up in the current
+ // chamber.
+ Bool_t kUPDATED = kFALSE;
+ Bool_t kMARKED = kFALSE;
+
+ // Propagate and update
sector = t.GetSector();
- //for (Int_t itime = GetTimeBinsPerPlane()-1; itime >= 0; itime--) {
- for (Int_t itime = 0; itime < GetTimeBinsPerPlane(); itime++) {
+ //for (Int_t itime=GetTimeBinsPerPlane()-1;itime>=0;itime--) {
+ for (Int_t itime = 0 ; itime < GetTimeBinsPerPlane(); itime++) {
+
+ // Mark track kinematics
+ if (itime > 10 && kUPDATED && !kMARKED) {
+ t.SetTrackSegmentDirMom(iplane);
+ kMARKED = kTRUE;
+ }
+
Int_t ilayer = GetGlobalTimeBin(0,iplane,itime);
- expectedNumberOfClusters++;
- t.fNExpected++;
- if (t.fX > 345) {
- t.fNExpectedLast++;
+ expectedNumberOfClusters++;
+ t.SetNExpected(t.GetNExpected() + 1);
+ if (t.GetX() > 345.0) {
+ t.SetNExpectedLast(t.GetNExpectedLast() + 1);
}
AliTRDpropagationLayer &timeBin = *(fTrSec[sector]->GetLayer(ilayer));
- AliTRDcluster *cl = 0;
+ AliTRDcluster *cl = 0;
UInt_t index = 0;
Double_t maxChi2 = fgkMaxChi2;
x = timeBin.GetX();
+
if (timeBin) {
+
AliTRDcluster *cl0 = timeBin[0];
- // No clusters in given time bin
- if (!cl0) continue;
- Int_t plane = fGeom->GetPlane(cl0->GetDetector());
- if (plane > lastplane) continue;
+ if (!cl0) {
+ // No clusters in given time bin
+ continue;
+ }
+
+ Int_t layer = fGeom->GetLayer(cl0->GetDetector());
+ if (layer > lastplane) {
+ continue;
+ }
+
Int_t timebin = cl0->GetLocalTimeBin();
- AliTRDcluster *cl2 = GetCluster(&t,plane, timebin,index);
-
+ AliTRDcluster *cl2 = GetCluster(&t,layer,timebin,index);
+
if (cl2) {
- cl = cl2;
- Double_t h01 = GetTiltFactor(cl);
- maxChi2 = t.GetPredictedChi2(cl,h01);
- }
- if (cl) {
- //if (cl->GetNPads()<5)
+ cl = cl2;
+ //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.fX > 345) {
- t.fNLast++;
- t.fChi2Last+=maxChi2;
+ t.SetSampledEdx(TMath::Abs(cl->GetQ()/dxsample));
+ Double_t h01 = GetTiltFactor(cl);
+ Int_t det = cl->GetDetector();
+ Int_t llayer = fGeom->GetLayer(det);
+
+ if (t.GetX() > 345.0) {
+ t.SetNLast(t.GetNLast() + 1);
+ t.SetChi2Last(t.GetChi2Last() + maxChi2);
}
+
Double_t xcluster = cl->GetX();
- t.PropagateTo(xcluster,radLength,rho);
- if (!t.UpdateMI(cl,maxChi2,index,h01,plane)) {
- //????
+ t.PropagateTo(xcluster,xx0,xrho);
+ if (!AdjustSector(&t)) {
+ break; //I.B's fix
+ }
+
+ maxChi2 = t.GetPredictedChi2(cl,h01);
+ if (maxChi2 < 1e+10) {
+ if (!t.UpdateMI(cl,maxChi2,index,h01,llayer)) {
+ // ????
+ }
+ else {
+ //SetCluster(cl, GetNumberOfClusters()-1);
+ kUPDATED = kTRUE;
+ }
}
- }
+
+ }
+
}
+
}
}
- return expectedNumberOfClusters;
+ return expectedNumberOfClusters;
}
//_____________________________________________________________________________
-Int_t AliTRDtracker::FollowBackProlongation(AliTRDtrack& t)
+Int_t AliTRDtracker::FollowBackProlongation(AliTRDtrack &t)
{
//
// Starting from current radial position of track <t> this function
- // extrapolates the track up to outer timebin and in the sensitive
+ // extrapolates the track up to the outer timebin and in the sensitive
// layers confirms prolongation if a close cluster is found.
// Returns the number of clusters expected to be found in sensitive layers
- // Use GEO manager for material Description
+ // Uses the geomanager for material description
+ //
+ // return number of assigned clusters ?
//
Int_t sector;
- Int_t clusters[1000];
- Double_t radLength = 0.0;
- Double_t rho = 0.0;
+
+ Double_t xx0 = 0.0;
+ Double_t xrho = 0.0;
+
+ Float_t ratio0 = 0.0;
+
Int_t expectedNumberOfClusters = 0;
- Float_t ratio0 = 0.0;
+
AliTRDtracklet tracklet;
- for (Int_t i = 0; i < 1000; i++) {
+ const Int_t kNclusters = 1000;
+ Int_t clusters[kNclusters];
+ for (Int_t i = 0; i < kNclusters; i++) {
clusters[i] = -1;
}
- for (Int_t iplane = 0; iplane<AliESDtrack::kNPlane; iplane++) {
+// // 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 < AliTRDtrack::kNplane; iplane++) {
+
+ Int_t hb = iplane * 10;
+ fHClSearch->Fill(hb);
+ // Get the global time bin numbers for the first an last
+ // local time bin of the given plane
Int_t row0 = GetGlobalTimeBin(0,iplane,GetTimeBinsPerPlane()-1);
Int_t rowlast = GetGlobalTimeBin(0,iplane,0);
+
+ // Get the X coordinates of the propagation layer for the first time bin
Double_t currentx = fTrSec[0]->GetLayer(row0)->GetX();
- if (currentx < t.GetX()) continue;
+ if (currentx < t.GetX()) {
+ fHClSearch->Fill(hb+1);
+ continue;
+ }
- // Propagate closer to chamber if neccessary
- if (currentx > fgkMaxStep + t.GetX()) {
- if (!PropagateToX(t,currentx-fgkMaxStep,fgkMaxStep)) break;
+ // Propagate closer to the current chamber if neccessary
+ if (currentx > (fgkMaxStep + t.GetX())) {
+ if (!PropagateToX(t,currentx-fgkMaxStep,fgkMaxStep)) {
+ fHClSearch->Fill(hb+2);
+ break;
+ }
+ }
+
+ // Rotate track to adjacent sector if neccessary
+ if (!AdjustSector(&t)) {
+ fHClSearch->Fill(hb+3);
+ break;
+ }
+
+ // Check whether azimuthal angle is getting too large
+ if (TMath::Abs(t.GetSnp()) > fgkMaxSnp) {
+ fHClSearch->Fill(hb+4);
+ break;
}
- if (!AdjustSector(&t)) break;
- if (TMath::Abs(t.GetSnp())>fgkMaxSnp) break;
- //
- // Get material budget inside of chamber
- //
Double_t xyz0[3];
Double_t xyz1[3];
Double_t param[7];
Double_t x;
Double_t y;
Double_t z;
- // Starting global position
- t.GetGlobalXYZ(xyz0[0],xyz0[1],xyz0[2]);
- // End global position
+ // Global start position (beginning of chamber)
+ t.GetXYZ(xyz0);
+ // X-position of the end of the chamber
x = fTrSec[0]->GetLayer(rowlast)->GetX();
- if (!t.GetProlongation(x,y,z)) break;
+ // Get local Y and Z at the X-position of the end of the chamber
+ if (!t.GetProlongation(x,y,z)) {
+ fHClSearch->Fill(hb+5);
+ break;
+ }
+ // Global end position (end of chamber)
xyz1[0] = x * TMath::Cos(t.GetAlpha()) - y * TMath::Sin(t.GetAlpha());
xyz1[1] = +x * TMath::Sin(t.GetAlpha()) + y * TMath::Cos(t.GetAlpha());
xyz1[2] = z;
- AliKalmanTrack::MeanMaterialBudget(xyz0,xyz1,param);
- // Get mean propagation parameters
- rho = param[0];
- radLength = param[1];
- //
- // Find clusters
- //
+ // Calculate the mean material budget along the path inside the chamber
+ AliTracker::MeanMaterialBudget(xyz0,xyz1,param);
+ // The mean propagation parameters (density*length and radiation length)
+ xrho = param[0]*param[4];
+ xx0 = param[1];
+
+ // Find the clusters and tracklet along the path inside the chamber
sector = t.GetSector();
Float_t ncl = FindClusters(sector,row0,rowlast,&t,clusters,tracklet);
- if (tracklet.GetN() < GetTimeBinsPerPlane()/3) continue;
+ fHNCl->Fill(tracklet.GetN());
+
+ // Discard if in less than 1/3 of the available timebins
+ // clusters are found
+ if (tracklet.GetN() < GetTimeBinsPerPlane()/3) {
+ 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.fNExpected++;
- if (t.fX > 345) {
- t.fNExpectedLast++;
+ t.SetNExpected(t.GetNExpected() + 1);
+ if (t.GetX() > 345.0) {
+ t.SetNExpectedLast(t.GetNExpectedLast() + 1);
}
AliTRDpropagationLayer &timeBin = *(fTrSec[sector]->GetLayer(ilayer));
- AliTRDcluster *cl = 0;
+ AliTRDcluster *cl = 0;
UInt_t index = 0;
Double_t maxChi2 = fgkMaxChi2;
x = timeBin.GetX();
-
- if (timeBin) {
- if (clusters[ilayer] > 0) {
- index = clusters[ilayer];
- cl = (AliTRDcluster*)GetCluster(index);
- Double_t h01 = GetTiltFactor(cl);
- maxChi2 = t.GetPredictedChi2(cl,h01);
- }
+ 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 (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.fX > 345) {
- t.fNLast++;
- t.fChi2Last += maxChi2;
- }
- Double_t xcluster = cl->GetX();
- t.PropagateTo(xcluster,radLength,rho);
- if(!t.UpdateMI(cl,maxChi2,index,h01,plane)) {
- if(!t.Update(cl,maxChi2,index,h01)) {
- //????
- }
- }
- // Reset material budget if 2 consecutive gold
- if (plane > 0) {
- if ((t.fTracklets[plane].GetN() + t.fTracklets[plane-1].GetN()) > 20) {
- t.fBudget[2] = 0;
- }
- }
- }
-
+ //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 layer = fGeom->GetLayer(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,layer)) {
+ 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 (layer > 0) {
+ if ((t.GetTracklets(layer).GetN() + t.GetTracklets(layer-1).GetN()) > 20) {
+ t.SetBudget(2,0.0);
+ }
+ }
+
+ }
+
}
}
- ratio0 = ncl / Float_t(fTimeBinsPerPlane);
- Float_t ratio1 = Float_t(t.fN+1) / Float_t(t.fNExpected+1.0);
- if ((tracklet.GetChi2() < 18.0) &&
- (ratio0 > 0.8) &&
- (ratio1 > 0.6) &&
- (ratio0+ratio1 > 1.5) &&
- (t.GetNCross() == 0) &&
- (TMath::Abs(t.GetSnp()) < 0.85) &&
- (t.fN > 20)) {
- // Make backup of the track until is gold
- t.MakeBackupTrack();
+ ratio0 = ncl / Float_t(fTimeBinsPerPlane);
+ Float_t ratio1 = Float_t(t.GetNumberOfClusters()+1) / Float_t(t.GetNExpected()+1);
+ if ((tracklet.GetChi2() < 18.0) &&
+ (ratio0 > 0.8) &&
+ (ratio1 > 0.6) &&
+ (ratio0+ratio1 > 1.5) &&
+ (t.GetNCross() == 0) &&
+ (TMath::Abs(t.GetSnp()) < 0.85) &&
+ (t.GetNumberOfClusters() > 20)){
+ //if (ratio0 > 0.8) {
+ t.MakeBackupTrack(); // Make backup of the track until is gold
}
}
}
//_____________________________________________________________________________
-Int_t AliTRDtracker::PropagateToX(AliTRDtrack &t, Double_t xToGo, Double_t maxStep)
+Int_t AliTRDtracker::PropagateToX(AliTRDtrack &t, Double_t xToGo, Double_t maxStep)
{
//
- // Starting from current radial position of track <t> this function
+ // Starting from current X-position of track <t> this function
// extrapolates the track up to radial position <xToGo>.
// Returns 1 if track reaches the plane, and 0 otherwise
//
const Double_t kEpsilon = 0.00001;
- //Double_t tanmax = TMath::Tan(0.5*AliTRDgeometry::GetAlpha());
+
+ // Current track X-position
Double_t xpos = t.GetX();
+
+ // Direction: inward or outward
Double_t dir = (xpos < xToGo) ? 1.0 : -1.0;
-
- while ((xToGo-xpos)*dir > kEpsilon) {
- Double_t step = dir*TMath::Min(TMath::Abs(xToGo-xpos),maxStep);
-
+ while (((xToGo - xpos) * dir) > kEpsilon) {
+
Double_t xyz0[3];
Double_t xyz1[3];
Double_t param[7];
Double_t x;
Double_t y;
Double_t z;
- // Starting global position
- t.GetGlobalXYZ(xyz0[0],xyz0[1],xyz0[2]);
+
+ // The next step size
+ Double_t step = dir * TMath::Min(TMath::Abs(xToGo-xpos),maxStep);
+
+ // Get the global position of the starting point
+ t.GetXYZ(xyz0);
+
+ // X-position after next step
x = xpos + step;
-
- // No prolongation
- if (!t.GetProlongation(x,y,z)) return 0;
-
+
+ // Get local Y and Z at the X-position of the next step
+ if (!t.GetProlongation(x,y,z)) {
+ return 0; // No prolongation possible
+ }
+
+ // The global position of the end point of this prolongation step
xyz1[0] = x * TMath::Cos(t.GetAlpha()) - y * TMath::Sin(t.GetAlpha());
xyz1[1] = +x * TMath::Sin(t.GetAlpha()) + y * TMath::Cos(t.GetAlpha());
xyz1[2] = z;
-
- AliKalmanTrack::MeanMaterialBudget(xyz0,xyz1,param);
- if (!t.PropagateTo(x,param[1],param[0])) return 0;
+
+ // Calculate the mean material budget between start and
+ // end point of this prolongation step
+ AliTracker::MeanMaterialBudget(xyz0,xyz1,param);
+
+ // Propagate the track to the X-position after the next step
+ if (!t.PropagateTo(x,param[1],param[0]*param[4])) {
+ return 0;
+ }
+
+ // Rotate the track if necessary
AdjustSector(&t);
+
+ // New track X-position
xpos = t.GetX();
}
// differs from that of TRD sectors
//
- if (ReadClusters(fClusters,cTree)) {
- AliError("Problem with reading the clusters !");
- return 1;
+
+ if (ReadClusters(fClusters, cTree)) {
+ AliError("Problem with reading the clusters !");
+ return 1;
}
Int_t ncl = fClusters->GetEntriesFast();
fNclusters = ncl;
- AliInfo(Form("LoadSectors: sorting %d clusters",ncl));
+ AliInfo(Form("Sorting %d clusters",ncl));
UInt_t index;
- for (Int_t ichamber = 0; ichamber < 5; ichamber++) {
- for (Int_t isector = 0; isector < 18; isector++) {
- fHoles[ichamber][isector] = kTRUE;
- }
- }
-
while (ncl--) {
AliTRDcluster *c = (AliTRDcluster *) fClusters->UncheckedAt(ncl);
Int_t detector = c->GetDetector();
Int_t localTimeBin = c->GetLocalTimeBin();
Int_t sector = fGeom->GetSector(detector);
- Int_t plane = fGeom->GetPlane(detector);
+ Int_t layer = fGeom->GetLayer(detector);
+ Int_t trackingSector = sector;
- Int_t trackingSector = CookSectorIndex(sector);
- if (c->GetLabel(0) > 0) {
- Int_t chamber = fGeom->GetChamber(detector);
- fHoles[chamber][trackingSector] = kFALSE;
- }
+ //if (c->GetQ() > 10) {
+ // Int_t stack = fGeom->GetStack(detector);
+ //}
- Int_t gtb = fTrSec[trackingSector]->CookTimeBinIndex(plane,localTimeBin);
- if(gtb < 0) continue;
- Int_t layer = fTrSec[trackingSector]->GetLayerNumber(gtb);
+ Int_t gtb = fTrSec[trackingSector]->CookTimeBinIndex(layer,localTimeBin);
+ if (gtb < 0) {
+ continue;
+ }
+ Int_t trLayer = fTrSec[trackingSector]->GetLayerNumber(gtb);
index = ncl;
-
- // Apply pos correction
- Transform(c);
- fTrSec[trackingSector]->GetLayer(layer)->InsertCluster(c,index);
- }
+ fHXCl->Fill(c->GetX());
+
+ fTrSec[trackingSector]->GetLayer(trLayer)->SetX(c->GetX());
+ fTrSec[trackingSector]->GetLayer(trLayer)->InsertCluster(c,index);
+
+ }
return 0;
delete fTracks->RemoveAt(i);
}
- Int_t nsec = AliTRDgeometry::kNsect;
+ Int_t nsec = AliTRDgeometry::kNsector;
for (i = 0; i < nsec; i++) {
for(Int_t pl = 0; pl < fTrSec[i]->GetNumberOfLayers(); pl++) {
fTrSec[i]->GetLayer(pl)->Clear();
}
//_____________________________________________________________________________
-void AliTRDtracker::MakeSeedsMI(Int_t /*inner*/, Int_t /*outer*/, AliESD * esd)
+Int_t AliTRDtracker::Clusters2Tracks(AliESDEvent *esd)
{
//
// Creates seeds using clusters between position inner plane and outer plane
const Double_t kMaxTheta = 1.0;
const Double_t kMaxPhi = 2.0;
-
- const Double_t kRoad0y = 6.0; // Road for middle cluster
- const Double_t kRoad0z = 8.5; // Road for middle cluster
-
- const Double_t kRoad1y = 2.0; // Road in y for seeded cluster
- const Double_t kRoad1z = 20.0; // Road in z for seeded cluster
-
- const Double_t kRoad2y = 3.0; // Road in y for extrapolated cluster
- const Double_t kRoad2z = 20.0; // Road in z for extrapolated cluster
+
+ const Double_t kRoad0y = 6.0; // Road for middle cluster
+ const Double_t kRoad0z = 8.5; // Road for middle cluster
+
+ const Double_t kRoad1y = 2.0; // Road in y for seeded cluster
+ const Double_t kRoad1z = 20.0; // Road in z for seeded cluster
+
+ const Double_t kRoad2y = 3.0; // Road in y for extrapolated cluster
+ const Double_t kRoad2z = 20.0; // Road in z for extrapolated cluster
const Int_t kMaxSeed = 3000;
- Int_t maxSec = AliTRDgeometry::kNsect;
+
+ Int_t maxSec = AliTRDgeometry::kNsector;
// Linear fitters in planes
TLinearFitter fitterTC(2,"hyp2"); // Fitting with tilting pads - kz fixed - kz= Z/x, + vertex const
AliRieman rieman(1000); // Rieman fitter
AliRieman rieman2(1000); // Rieman fitter
- //
// Find the maximal and minimal layer for the planes
- //
Int_t layers[6][2];
AliTRDpropagationLayer *reflayers[6];
for (Int_t i = 0; i < 6; i++) {
}
for (Int_t ns = 0; ns < maxSec; ns++) {
for (Int_t ilayer = 0; ilayer < fTrSec[ns]->GetNumberOfLayers(); ilayer++) {
- AliTRDpropagationLayer &layer= *(fTrSec[ns]->GetLayer(ilayer));
- if (layer == 0) continue;
- Int_t det = layer[0]->GetDetector();
- Int_t plane = fGeom->GetPlane(det);
- if (ilayer < layers[plane][0]) layers[plane][0] = ilayer;
- if (ilayer > layers[plane][1]) layers[plane][1] = ilayer;
+ AliTRDpropagationLayer &propLayer = *(fTrSec[ns]->GetLayer(ilayer));
+ if (propLayer == 0) {
+ continue;
+ }
+ Int_t det = propLayer[0]->GetDetector();
+ Int_t layer = fGeom->GetLayer(det);
+ if (ilayer < layers[layer][0]) {
+ layers[layer][0] = ilayer;
+ }
+ if (ilayer > layers[layer][1]) {
+ layers[layer][1] = ilayer;
+ }
}
}
-
- AliTRDpadPlane *padPlane = AliTRDCommonParam::Instance()->GetPadPlane(0,0);
- Double_t h01 = TMath::Tan(-TMath::Pi()/180.0 * padPlane->GetTiltingAngle());
- Double_t hL[6]; // Tilting angle
- Double_t xcl[6]; // x - position of reference cluster
- Double_t ycl[6]; // y - position of reference cluster
- Double_t zcl[6]; // z - position of reference cluster
- AliTRDcluster *cl[6] = { 0, 0, 0, 0, 0, 0 }; // Seeding clusters
- Float_t padlength[6] = { 10, 10, 10, 10, 10, 10 }; // Current pad-length
+
+ AliTRDpadPlane *padPlane = fGeom->GetPadPlane(0,0);
+ Double_t h01 = TMath::Tan(-TMath::Pi() / 180.0 * padPlane->GetTiltingAngle());
+ Double_t hL[6]; // Tilting angle
+ Double_t xcl[6]; // X - position of reference cluster
+ Double_t ycl[6]; // Y - position of reference cluster
+ Double_t zcl[6]; // Z - position of reference cluster
+
+ AliTRDcluster *cl[6] = { 0, 0, 0, 0, 0, 0 }; // Seeding clusters
+ Float_t padlength[6] = { 10.0, 10.0, 10.0, 10.0, 10.0, 10.0 }; // Current pad-length
+
Double_t chi2R = 0.0;
Double_t chi2Z = 0.0;
Double_t chi2RF = 0.0;
Double_t chi2ZF = 0.0;
-
- // Total number of clusters
- Int_t nclusters;
+
+ Int_t nclusters; // Total number of clusters
for (Int_t i = 0; i < 6; i++) {
hL[i] = h01;
- if (i%2 == 1) hL[i] *= -1.0;
+ if (i%2==1) {
+ hL[i]*=-1.0;
+ }
}
// Registered seed
AliTRDseed *pseed = new AliTRDseed[kMaxSeed*6];
AliTRDseed *seed[kMaxSeed];
for (Int_t iseed = 0; iseed < kMaxSeed; iseed++) {
- seed[iseed] = &pseed[iseed*6];
+ seed[iseed]= &pseed[iseed*6];
}
AliTRDseed *cseed = seed[0];
- //
- // Seeding part
- //
-
Double_t seedquality[kMaxSeed];
Double_t seedquality2[kMaxSeed];
Double_t seedparams[kMaxSeed][7];
Int_t registered = 0;
Int_t sort[kMaxSeed];
- // Loop over sectors
- for (Int_t ns = 0; ns < maxSec; ns++) {
- //for (Int_t ns = 0; ns < 5; ns++) { //loop over sectors
- registered = 0; // Reset registerd seed counter
+ //
+ // Seeding part
+ //
+ for (Int_t ns = 0; ns < maxSec; ns++) { // Loop over sectors
+ //for (Int_t ns = 0; ns < 5; ns++) { // Loop over sectors
+
+ registered = 0; // Reset registerd seed counter
cseed = seed[registered];
Float_t iter = 0.0;
- // Loop over central seeding time bins
+
for (Int_t sLayer = 2; sLayer >= 0; sLayer--) {
- //for (Int_t dseed=5;dseed<15; dseed+=3){
+ //for (Int_t dseed = 5; dseed < 15; dseed += 3) {
+
iter += 1.0;
- Int_t dseed = 5 + Int_t(iter)*3;
+ Int_t dseed = 5 + Int_t(iter) * 3;
+
// Initialize seeding layers
for (Int_t ilayer = 0; ilayer < 6; ilayer++) {
reflayers[ilayer] = fTrSec[ns]->GetLayer(layers[ilayer][1]-dseed);
xcl[ilayer] = reflayers[ilayer]->GetX();
- }
+ }
+
Double_t xref = (xcl[sLayer+1] + xcl[sLayer+2]) * 0.5;
AliTRDpropagationLayer &layer0 = *reflayers[sLayer+0];
AliTRDpropagationLayer &layer1 = *reflayers[sLayer+1];
Int_t maxn3 = layer3;
for (Int_t icl3 = 0; icl3 < maxn3; icl3++) {
+
AliTRDcluster *cl3 = layer3[icl3];
- if (!cl3) continue;
- padlength[sLayer+3] = TMath::Sqrt(cl3->GetSigmaZ2()*12.);
+ if (!cl3) {
+ continue;
+ }
+ padlength[sLayer+3] = TMath::Sqrt(cl3->GetSigmaZ2() * 12.0);
ycl[sLayer+3] = cl3->GetY();
zcl[sLayer+3] = cl3->GetZ();
- Float_t yymin0 = ycl[sLayer+3] - 1 - kMaxPhi * (xcl[sLayer+3] - xcl[sLayer+0]);
- Float_t yymax0 = ycl[sLayer+3] + 1 + kMaxPhi * (xcl[sLayer+3] - xcl[sLayer+0]);
+ Float_t yymin0 = ycl[sLayer+3] - 1.0 - kMaxPhi * (xcl[sLayer+3]-xcl[sLayer+0]);
+ Float_t yymax0 = ycl[sLayer+3] + 1.0 + kMaxPhi * (xcl[sLayer+3]-xcl[sLayer+0]);
Int_t maxn0 = layer0;
for (Int_t icl0 = layer0.Find(yymin0); icl0 < maxn0; icl0++) {
AliTRDcluster *cl0 = layer0[icl0];
- if (!cl0) continue;
- if (cl3->IsUsed() && cl0->IsUsed()) continue;
+ if (!cl0) {
+ continue;
+ }
+ if (cl3->IsUsed() && cl0->IsUsed()) {
+ continue;
+ }
ycl[sLayer+0] = cl0->GetY();
zcl[sLayer+0] = cl0->GetZ();
- if (ycl[sLayer+0] > yymax0) break;
- Double_t tanphi = (ycl[sLayer+3] - ycl[sLayer+0]) / (xcl[sLayer+3] - xcl[sLayer+0]);
- if (TMath::Abs(tanphi) > kMaxPhi) continue;
- Double_t tantheta = (zcl[sLayer+3] - zcl[sLayer+0]) / (xcl[sLayer+3] - xcl[sLayer+0]);
- if (TMath::Abs(tantheta) > kMaxTheta) continue;
- padlength[sLayer+0] = TMath::Sqrt(cl0->GetSigmaZ2()*12.0);
-
+ if (ycl[sLayer+0] > yymax0) {
+ break;
+ }
+ Double_t tanphi = (ycl[sLayer+3]-ycl[sLayer+0]) / (xcl[sLayer+3]-xcl[sLayer+0]);
+ if (TMath::Abs(tanphi) > kMaxPhi) {
+ continue;
+ }
+ Double_t tantheta = (zcl[sLayer+3]-zcl[sLayer+0]) / (xcl[sLayer+3]-xcl[sLayer+0]);
+ if (TMath::Abs(tantheta) > kMaxTheta) {
+ continue;
+ }
+ padlength[sLayer+0] = TMath::Sqrt(cl0->GetSigmaZ2() * 12.0);
+
// Expected position in 1 layer
- Double_t y1exp = ycl[sLayer+0] + (tanphi) * (xcl[sLayer+1] - xcl[sLayer+0]);
- Double_t z1exp = zcl[sLayer+0] + (tantheta) * (xcl[sLayer+1] - xcl[sLayer+0]);
+ Double_t y1exp = ycl[sLayer+0] + (tanphi) * (xcl[sLayer+1]-xcl[sLayer+0]);
+ Double_t z1exp = zcl[sLayer+0] + (tantheta) * (xcl[sLayer+1]-xcl[sLayer+0]);
Float_t yymin1 = y1exp - kRoad0y - tanphi;
Float_t yymax1 = y1exp + kRoad0y + tanphi;
Int_t maxn1 = layer1;
-
+
for (Int_t icl1 = layer1.Find(yymin1); icl1 < maxn1; icl1++) {
AliTRDcluster *cl1 = layer1[icl1];
- if (!cl1) continue;
+ if (!cl1) {
+ continue;
+ }
Int_t nusedCl = 0;
if (cl3->IsUsed()) nusedCl++;
if (cl0->IsUsed()) nusedCl++;
if (cl1->IsUsed()) nusedCl++;
- if (nusedCl > 1) continue;
+ if (nusedCl > 1) {
+ continue;
+ }
ycl[sLayer+1] = cl1->GetY();
zcl[sLayer+1] = cl1->GetZ();
- if (ycl[sLayer+1] > yymax1) break;
- if (TMath::Abs(ycl[sLayer+1] - y1exp) > kRoad0y+tanphi) continue;
- if (TMath::Abs(zcl[sLayer+1] - z1exp) > kRoad0z) continue;
- padlength[sLayer+1] = TMath::Sqrt(cl1->GetSigmaZ2()*12.);
-
- Double_t y2exp = ycl[sLayer+0] + (tanphi)
- * (xcl[sLayer+2] - xcl[sLayer+0]) + (ycl[sLayer+1] - y1exp);
- Double_t z2exp = zcl[sLayer+0] + (tantheta)
- * (xcl[sLayer+2] - xcl[sLayer+0]);
+ if (ycl[sLayer+1] > yymax1) {
+ break;
+ }
+ if (TMath::Abs(ycl[sLayer+1]-y1exp) > kRoad0y+tanphi) {
+ continue;
+ }
+ if (TMath::Abs(zcl[sLayer+1]-z1exp) > kRoad0z) {
+ continue;
+ }
+ padlength[sLayer+1] = TMath::Sqrt(cl1->GetSigmaZ2() * 12.0);
+
+ Double_t y2exp = ycl[sLayer+0]+(tanphi) * (xcl[sLayer+2]-xcl[sLayer+0]) + (ycl[sLayer+1]-y1exp);
+ Double_t z2exp = zcl[sLayer+0]+(tantheta) * (xcl[sLayer+2]-xcl[sLayer+0]);
Int_t index2 = layer2.FindNearestCluster(y2exp,z2exp,kRoad1y,kRoad1z);
- if (index2 <= 0) continue;
+ if (index2 <= 0) {
+ continue;
+ }
AliTRDcluster *cl2 = (AliTRDcluster *) GetCluster(index2);
- padlength[sLayer+2] = TMath::Sqrt(cl2->GetSigmaZ2()*12.0);
+ padlength[sLayer+2] = TMath::Sqrt(cl2->GetSigmaZ2() * 12.0);
ycl[sLayer+2] = cl2->GetY();
zcl[sLayer+2] = cl2->GetZ();
- if (TMath::Abs(cl2->GetZ()-z2exp) > kRoad0z) continue;
-
+ if (TMath::Abs(cl2->GetZ()-z2exp) > kRoad0z) {
+ continue;
+ }
+
rieman.Reset();
rieman.AddPoint(xcl[sLayer+0],ycl[sLayer+0],zcl[sLayer+0],1,10);
rieman.AddPoint(xcl[sLayer+1],ycl[sLayer+1],zcl[sLayer+1],1,10);
rieman.AddPoint(xcl[sLayer+3],ycl[sLayer+3],zcl[sLayer+3],1,10);
rieman.AddPoint(xcl[sLayer+2],ycl[sLayer+2],zcl[sLayer+2],1,10);
rieman.Update();
-
+
// Reset fitter
for (Int_t iLayer = 0; iLayer < 6; iLayer++) {
cseed[iLayer].Reset();
}
chi2Z = 0.0;
chi2R = 0.0;
+
for (Int_t iLayer = 0; iLayer < 4; iLayer++) {
- cseed[sLayer+iLayer].fZref[0] = rieman.GetZat(xcl[sLayer+iLayer]);
- chi2Z += (cseed[sLayer+iLayer].fZref[0]- zcl[sLayer+iLayer])
- * (cseed[sLayer+iLayer].fZref[0]- zcl[sLayer+iLayer]);
- cseed[sLayer+iLayer].fZref[1] = rieman.GetDZat(xcl[sLayer+iLayer]);
- cseed[sLayer+iLayer].fYref[0] = rieman.GetYat(xcl[sLayer+iLayer]);
- chi2R += (cseed[sLayer+iLayer].fYref[0]- ycl[sLayer+iLayer])
- * (cseed[sLayer+iLayer].fYref[0]- ycl[sLayer+iLayer]);
- cseed[sLayer+iLayer].fYref[1] = rieman.GetDYat(xcl[sLayer+iLayer]);
+ cseed[sLayer+iLayer].SetZref(0,rieman.GetZat(xcl[sLayer+iLayer]));
+ chi2Z += (cseed[sLayer+iLayer].GetZref(0)- zcl[sLayer+iLayer])
+ * (cseed[sLayer+iLayer].GetZref(0)- zcl[sLayer+iLayer]);
+ cseed[sLayer+iLayer].SetZref(1,rieman.GetDZat(xcl[sLayer+iLayer]));
+ cseed[sLayer+iLayer].SetYref(0,rieman.GetYat(xcl[sLayer+iLayer]));
+ chi2R += (cseed[sLayer+iLayer].GetYref(0)- ycl[sLayer+iLayer])
+ * (cseed[sLayer+iLayer].GetYref(0)- ycl[sLayer+iLayer]);
+ cseed[sLayer+iLayer].SetYref(1,rieman.GetDYat(xcl[sLayer+iLayer]));
+ }
+ if (TMath::Sqrt(chi2R) > 1.0/iter) {
+ continue;
+ }
+ if (TMath::Sqrt(chi2Z) > 7.0/iter) {
+ continue;
}
- if (TMath::Sqrt(chi2R) > 1.0/iter) continue;
- if (TMath::Sqrt(chi2Z) > 7.0/iter) continue;
Float_t minmax[2] = { -100.0, 100.0 };
for (Int_t iLayer = 0; iLayer < 4; iLayer++) {
- Float_t max = zcl[sLayer+iLayer] + padlength[sLayer+iLayer] * 0.5 + 1.0
- -cseed[sLayer+iLayer].fZref[0];
- if (max < minmax[1]) minmax[1] = max;
- Float_t min = zcl[sLayer+iLayer] - padlength[sLayer+iLayer] * 0.5 - 1.0
- -cseed[sLayer+iLayer].fZref[0];
- if (min > minmax[0]) minmax[0] = min;
+ Float_t max = zcl[sLayer+iLayer]+padlength[sLayer+iLayer] * 0.5
+ + 1.0 - cseed[sLayer+iLayer].GetZref(0);
+ if (max < minmax[1]) {
+ minmax[1] = max;
+ }
+ Float_t min = zcl[sLayer+iLayer]-padlength[sLayer+iLayer] * 0.5
+ - 1.0 - cseed[sLayer+iLayer].GetZref(0);
+ if (min > minmax[0]) {
+ minmax[0] = min;
+ }
}
Bool_t isFake = kFALSE;
- if (cl0->GetLabel(0) != cl3->GetLabel(0)) isFake = kTRUE;
- if (cl1->GetLabel(0) != cl3->GetLabel(0)) isFake = kTRUE;
- if (cl2->GetLabel(0) != cl3->GetLabel(0)) isFake = kTRUE;
- // Debugging print
- if (AliTRDReconstructor::StreamLevel() > 0) {
- if ((!isFake) || ((icl3%10) == 0)) {
+ if (cl0->GetLabel(0) != cl3->GetLabel(0)) {
+ isFake = kTRUE;
+ }
+ if (cl1->GetLabel(0) != cl3->GetLabel(0)) {
+ isFake = kTRUE;
+ }
+ if (cl2->GetLabel(0) != cl3->GetLabel(0)) {
+ isFake = kTRUE;
+ }
+
+ if (fReconstructor->GetRecoParam()->GetStreamLevel(AliTRDrecoParam::kTracker) > 0) {
+ if ((!isFake) || ((icl3%10) == 0)) { // Debugging print
TTreeSRedirector &cstream = *fDebugStreamer;
cstream << "Seeds0"
- << "isFake=" << isFake
+ << "isFake=" << isFake
<< "Cl0.=" << cl0
<< "Cl1.=" << cl1
<< "Cl2.=" << cl2
<< "\n";
}
}
-
- //
- //
- // FIT SEEDING PART
+
+ ////////////////////////////////////////////////////////////////////////////////////
//
+ // Fit seeding part
//
+ ////////////////////////////////////////////////////////////////////////////////////
+
cl[sLayer+0] = cl0;
cl[sLayer+1] = cl1;
cl[sLayer+2] = cl2;
cl[sLayer+3] = cl3;
Bool_t isOK = kTRUE;
+
for (Int_t jLayer = 0; jLayer < 4; jLayer++) {
- cseed[sLayer+jLayer].fTilt = hL[sLayer+jLayer];
- cseed[sLayer+jLayer].fPadLength = padlength[sLayer+jLayer];
- cseed[sLayer+jLayer].fX0 = xcl[sLayer+jLayer];
+ cseed[sLayer+jLayer].SetTilt(hL[sLayer+jLayer]);
+ cseed[sLayer+jLayer].SetPadLength(padlength[sLayer+jLayer]);
+ cseed[sLayer+jLayer].SetX0(xcl[sLayer+jLayer]);
- for (Int_t iter = 0; iter < 2; iter++) {
+ for (Int_t jter = 0; jter < 2; jter++) {
//
// In iteration 0 we try only one pad-row
// If quality not sufficient we try 2 pad-rows - about 5% of tracks cross 2 pad-rows
//
-
AliTRDseed tseed = cseed[sLayer+jLayer];
- Float_t roadz = padlength[sLayer+jLayer] * 0.5;
- if (iter > 0) {
+ Float_t roadz = padlength[sLayer+jLayer] * 0.5;
+ if (jter > 0) {
roadz = padlength[sLayer+jLayer];
}
-
+
Float_t quality = 10000.0;
+
for (Int_t iTime = 2; iTime < 20; iTime++) {
AliTRDpropagationLayer &layer = *(fTrSec[ns]->GetLayer(layers[sLayer+jLayer][1]-iTime));
Double_t dxlayer = layer.GetX() - xcl[sLayer+jLayer];
Double_t zexp = cl[sLayer+jLayer]->GetZ();
- if (iter > 0) {
+
+ if (jter > 0) {
// Try 2 pad-rows in second iteration
- zexp = tseed.fZref[0] + tseed.fZref[1]*dxlayer;
+ zexp = tseed.GetZref(0) + tseed.GetZref(1) * dxlayer;
if (zexp > cl[sLayer+jLayer]->GetZ()) {
- zexp = cl[sLayer+jLayer]->GetZ() + padlength[sLayer+jLayer] * 0.5;
+ zexp = cl[sLayer+jLayer]->GetZ() + padlength[sLayer+jLayer]*0.5;
}
if (zexp < cl[sLayer+jLayer]->GetZ()) {
- zexp = cl[sLayer+jLayer]->GetZ() - padlength[sLayer+jLayer] * 0.5;
+ zexp = cl[sLayer+jLayer]->GetZ() - padlength[sLayer+jLayer]*0.5;
}
}
-
- Double_t yexp = tseed.fYref[0] + tseed.fYref[1] * dxlayer;
+
+ Double_t yexp = tseed.GetYref(0) + tseed.GetYref(1) * dxlayer;
Int_t index = layer.FindNearestCluster(yexp,zexp,kRoad1y,roadz);
- if (index <= 0) continue;
- AliTRDcluster *cl = (AliTRDcluster *) GetCluster(index);
+ if (index <= 0) {
+ continue;
+ }
+ AliTRDcluster *clu = (AliTRDcluster *) GetCluster(index);
- // Register cluster
- tseed.fIndexes[iTime] = index;
- tseed.fClusters[iTime] = cl;
- tseed.fX[iTime] = dxlayer;
- tseed.fY[iTime] = cl->GetY();
- tseed.fZ[iTime] = cl->GetZ();
+ tseed.SetIndexes(iTime,index);
+ tseed.SetClusters(iTime,clu); // Register cluster
+ tseed.SetX(iTime,dxlayer); // Register cluster
+ tseed.SetY(iTime,clu->GetY()); // Register cluster
+ tseed.SetZ(iTime,clu->GetZ()); // Register cluster
- }
+ }
tseed.Update();
+
// Count the number of clusters and distortions into quality
- Float_t dangle = tseed.fYfit[1] - tseed.fYref[1];
- Float_t tquality = (18.0 - tseed.fN2) / 2.0 + TMath::Abs(dangle) / 0.1
- + TMath::Abs(tseed.fYfit[0] - tseed.fYref[0]) / 0.2
- + 2.0 * TMath::Abs(tseed.fMeanz - tseed.fZref[0]) / padlength[jLayer];
- if ((iter == 0) && tseed.IsOK()) {
+ Float_t dangle = tseed.GetYfit(1) - tseed.GetYref(1);
+ Float_t tquality = (18.0 - tseed.GetN2()) / 2.0 + TMath::Abs(dangle) / 0.1
+ + TMath::Abs(tseed.GetYfit(0) - tseed.GetYref(0)) / 0.2
+ + 2.0 * TMath::Abs(tseed.GetMeanz() - tseed.GetZref(0)) / padlength[jLayer];
+ if ((jter == 0) && tseed.IsOK()) {
cseed[sLayer+jLayer] = tseed;
quality = tquality;
- if (tquality < 5) break;
+ if (tquality < 5) {
+ break;
+ }
}
if (tseed.IsOK() && (tquality < quality)) {
cseed[sLayer+jLayer] = tseed;
- }
+ }
- }
+ } // Loop: jter
if (!cseed[sLayer+jLayer].IsOK()) {
isOK = kFALSE;
break;
- }
+ }
+
cseed[sLayer+jLayer].CookLabels();
cseed[sLayer+jLayer].UpdateUsed();
- nusedCl += cseed[sLayer+jLayer].fNUsed;
+ nusedCl += cseed[sLayer+jLayer].GetNUsed();
if (nusedCl > 25) {
isOK = kFALSE;
break;
- }
+ }
- }
+ } // Loop: jLayer
- if (!isOK) continue;
+ if (!isOK) {
+ continue;
+ }
nclusters = 0;
for (Int_t iLayer = 0; iLayer < 4; iLayer++) {
if (cseed[sLayer+iLayer].IsOK()) {
- nclusters += cseed[sLayer+iLayer].fN2;
+ nclusters += cseed[sLayer+iLayer].GetN2();
}
}
rieman.Reset();
for (Int_t iLayer = 0; iLayer < 4; iLayer++) {
rieman.AddPoint(xcl[sLayer+iLayer]
- ,cseed[sLayer+iLayer].fYfitR[0]
- ,cseed[sLayer+iLayer].fZProb
+ ,cseed[sLayer+iLayer].GetYfitR(0)
+ ,cseed[sLayer+iLayer].GetZProb()
,1
,10);
}
chi2R = 0.0;
chi2Z = 0.0;
+
for (Int_t iLayer = 0; iLayer < 4; iLayer++) {
- cseed[sLayer+iLayer].fYref[0] = rieman.GetYat(xcl[sLayer+iLayer]);
- chi2R += (cseed[sLayer+iLayer].fYref[0] - cseed[sLayer+iLayer].fYfitR[0])
- * (cseed[sLayer+iLayer].fYref[0] - cseed[sLayer+iLayer].fYfitR[0]);
- cseed[sLayer+iLayer].fYref[1] = rieman.GetDYat(xcl[sLayer+iLayer]);
- cseed[sLayer+iLayer].fZref[0] = rieman.GetZat(xcl[sLayer+iLayer]);
- chi2Z += (cseed[sLayer+iLayer].fZref[0] - cseed[sLayer+iLayer].fMeanz)
- * (cseed[sLayer+iLayer].fZref[0] - cseed[sLayer+iLayer].fMeanz);
- cseed[sLayer+iLayer].fZref[1] = rieman.GetDZat(xcl[sLayer+iLayer]);
+ cseed[sLayer+iLayer].SetYref(0,rieman.GetYat(xcl[sLayer+iLayer]));
+ chi2R += (cseed[sLayer+iLayer].GetYref(0) - cseed[sLayer+iLayer].GetYfitR(0))
+ * (cseed[sLayer+iLayer].GetYref(0) - cseed[sLayer+iLayer].GetYfitR(0));
+ cseed[sLayer+iLayer].SetYref(1,rieman.GetDYat(xcl[sLayer+iLayer]));
+ cseed[sLayer+iLayer].SetZref(0,rieman.GetZat(xcl[sLayer+iLayer]));
+ chi2Z += (cseed[sLayer+iLayer].GetZref(0) - cseed[sLayer+iLayer].GetMeanz())
+ * (cseed[sLayer+iLayer].GetZref(0) - cseed[sLayer+iLayer].GetMeanz());
+ cseed[sLayer+iLayer].SetZref(1,rieman.GetDZat(xcl[sLayer+iLayer]));
}
Double_t curv = rieman.GetC();
//
// Likelihoods
//
- Double_t sumda = TMath::Abs(cseed[sLayer+0].fYfitR[1] - cseed[sLayer+0].fYref[1])
- + TMath::Abs(cseed[sLayer+1].fYfitR[1] - cseed[sLayer+1].fYref[1])
- + TMath::Abs(cseed[sLayer+2].fYfitR[1] - cseed[sLayer+2].fYref[1])
- + TMath::Abs(cseed[sLayer+3].fYfitR[1] - cseed[sLayer+3].fYref[1]);
- Double_t likea = TMath::Exp(-sumda * 10.6);
+ Double_t sumda = TMath::Abs(cseed[sLayer+0].GetYfitR(1) - cseed[sLayer+0].GetYref(1))
+ + TMath::Abs(cseed[sLayer+1].GetYfitR(1) - cseed[sLayer+1].GetYref(1))
+ + TMath::Abs(cseed[sLayer+2].GetYfitR(1) - cseed[sLayer+2].GetYref(1))
+ + TMath::Abs(cseed[sLayer+3].GetYfitR(1) - cseed[sLayer+3].GetYref(1));
+ Double_t likea = TMath::Exp(-sumda*10.6);
Double_t likechi2 = 0.0000000001;
if (chi2R < 0.5) {
likechi2 += TMath::Exp(-TMath::Sqrt(chi2R) * 7.73);
Double_t likechi2z = TMath::Exp(-chi2Z * 0.088) / TMath::Exp(-chi2Z * 0.019);
Double_t likeN = TMath::Exp(-(72 - nclusters) * 0.19);
Double_t like = likea * likechi2 * likechi2z * likeN;
-
- Double_t likePrimY = TMath::Exp(-TMath::Abs(cseed[sLayer+0].fYref[1] - 130*curv) * 1.9);
- Double_t likePrimZ = TMath::Exp(-TMath::Abs(cseed[sLayer+0].fZref[1]
- - cseed[sLayer+0].fZref[0] / xcl[sLayer+0]) * 5.9);
- Double_t likePrim = TMath::Max(likePrimY * likePrimZ,0.0005);
+ Double_t likePrimY = TMath::Exp(-TMath::Abs(cseed[sLayer+0].GetYref(1) - 130.0*curv) * 1.9);
+ Double_t likePrimZ = TMath::Exp(-TMath::Abs(cseed[sLayer+0].GetZref(1)
+ - cseed[sLayer+0].GetZref(0) / xcl[sLayer+0]) * 5.9);
+ Double_t likePrim = TMath::Max(likePrimY*likePrimZ,0.0005);
seedquality[registered] = like;
seedlayer[registered] = sLayer;
- if (TMath::Log(0.000000000000001 + like) < -15) continue;
+ if (TMath::Log(0.000000000000001 + like) < -15) {
+ continue;
+ }
AliTRDseed seedb[6];
for (Int_t iLayer = 0; iLayer < 6; iLayer++) {
seedb[iLayer] = cseed[iLayer];
}
+ ////////////////////////////////////////////////////////////////////////////////////
//
+ // Full track fit part
//
- // FULL TRACK FIT PART
- //
- //
+ ////////////////////////////////////////////////////////////////////////////////////
Int_t nlayers = 0;
Int_t nusedf = 0;
tLayer[0] = 4;
tLayer[1] = 5;
}
-
- for (Int_t iLayer = 0; iLayer < 2; iLayer++) {
- // Set tracking layer
- Int_t jLayer = tLayer[iLayer];
+ for (Int_t iLayer = 0; iLayer < 2; iLayer++) {
+ Int_t jLayer = tLayer[iLayer]; // Set tracking layer
cseed[jLayer].Reset();
- cseed[jLayer].fTilt = hL[jLayer];
- cseed[jLayer].fPadLength = padlength[jLayer];
- cseed[jLayer].fX0 = xcl[jLayer];
+ cseed[jLayer].SetTilt(hL[jLayer]);
+ cseed[jLayer].SetPadLength(padlength[jLayer]);
+ cseed[jLayer].SetX0(xcl[jLayer]);
// Get pad length and rough cluster
- Int_t indexdummy = reflayers[jLayer]->FindNearestCluster(cseed[jLayer].fYref[0]
- ,cseed[jLayer].fZref[0]
+ Int_t indexdummy = reflayers[jLayer]->FindNearestCluster(cseed[jLayer].GetYref(0)
+ ,cseed[jLayer].GetZref(0)
,kRoad2y
,kRoad2z);
- if (indexdummy <= 0) continue;
+ if (indexdummy <= 0) {
+ continue;
+ }
AliTRDcluster *cldummy = (AliTRDcluster *) GetCluster(indexdummy);
padlength[jLayer] = TMath::Sqrt(cldummy->GetSigmaZ2() * 12.0);
-
}
-
AliTRDseed::FitRiemanTilt(cseed,kTRUE);
for (Int_t iLayer = 0; iLayer < 2; iLayer++) {
- // Set tracking layer
- Int_t jLayer = tLayer[iLayer];
- if ((jLayer == 0) && !(cseed[1].IsOK())) continue; // break not allowed
- if ((jLayer == 5) && !(cseed[4].IsOK())) continue; // break not allowed
- Float_t zexp = cseed[jLayer].fZref[0];
- Double_t zroad = padlength[jLayer] * 0.5 + 1.0;
+ Int_t jLayer = tLayer[iLayer]; // set tracking layer
+ if ((jLayer == 0) && !(cseed[1].IsOK())) {
+ continue; // break not allowed
+ }
+ if ((jLayer == 5) && !(cseed[4].IsOK())) {
+ continue; // break not allowed
+ }
+ Float_t zexp = cseed[jLayer].GetZref(0);
+ Double_t zroad = padlength[jLayer] * 0.5 + 1.0;
- for (Int_t iter = 0; iter < 2; iter++) {
+ for (Int_t jter = 0; jter < 2; jter++) {
AliTRDseed tseed = cseed[jLayer];
Float_t quality = 10000.0;
- for (Int_t iTime = 2; iTime < 20; iTime++) {
-
+
+ for (Int_t iTime = 2; iTime < 20; iTime++) {
AliTRDpropagationLayer &layer = *(fTrSec[ns]->GetLayer(layers[jLayer][1]-iTime));
- Double_t dxlayer = layer.GetX() - xcl[jLayer];
- Double_t yexp = tseed.fYref[0] + tseed.fYref[1] * dxlayer;
+ Double_t dxlayer = layer.GetX()-xcl[jLayer];
+ Double_t yexp = tseed.GetYref(0) + tseed.GetYref(1) * dxlayer;
Float_t yroad = kRoad1y;
Int_t index = layer.FindNearestCluster(yexp,zexp,yroad,zroad);
- if (index <= 0) continue;
- AliTRDcluster *cl = (AliTRDcluster *) GetCluster(index);
-
- // Register cluster
- tseed.fIndexes[iTime] = index;
- tseed.fClusters[iTime] = cl;
- tseed.fX[iTime] = dxlayer;
- tseed.fY[iTime] = cl->GetY();
- tseed.fZ[iTime] = cl->GetZ();
-
- }
+ if (index <= 0) {
+ continue;
+ }
+ AliTRDcluster *clu = (AliTRDcluster *) GetCluster(index);
+ tseed.SetIndexes(iTime,index);
+ tseed.SetClusters(iTime,clu); // Register cluster
+ tseed.SetX(iTime,dxlayer); // Register cluster
+ tseed.SetY(iTime,clu->GetY()); // Register cluster
+ tseed.SetZ(iTime,clu->GetZ()); // Register cluster
+ }
tseed.Update();
if (tseed.IsOK()) {
- Float_t dangle = tseed.fYfit[1] - tseed.fYref[1];
- Float_t tquality = (18.0 - tseed.fN2) / 2.0
- + TMath::Abs(dangle) / 0.1
- + TMath::Abs(tseed.fYfit[0] - tseed.fYref[0])/0.2
- + 2.0 * TMath::Abs(tseed.fMeanz - tseed.fZref[0])/padlength[jLayer];
+ Float_t dangle = tseed.GetYfit(1) - tseed.GetYref(1);
+ Float_t tquality = (18.0 - tseed.GetN2())/2.0 + TMath::Abs(dangle) / 0.1
+ + TMath::Abs(tseed.GetYfit(0) - tseed.GetYref(0)) / 0.2
+ + 2.0 * TMath::Abs(tseed.GetMeanz() - tseed.GetZref(0)) / padlength[jLayer];
if (tquality < quality) {
cseed[jLayer] = tseed;
quality = tquality;
zroad *= 2.0;
- }
+ } // Loop: jter
- if (cseed[jLayer].IsOK()) {
+ if ( cseed[jLayer].IsOK()) {
cseed[jLayer].CookLabels();
cseed[jLayer].UpdateUsed();
- nusedf += cseed[jLayer].fNUsed;
+ nusedf += cseed[jLayer].GetNUsed();
AliTRDseed::FitRiemanTilt(cseed,kTRUE);
}
- }
+ } // Loop: iLayer
// Make copy
AliTRDseed bseed[6];
for (Int_t jLayer = 0; jLayer < 6; jLayer++) {
bseed[jLayer] = cseed[jLayer];
- }
+ }
Float_t lastquality = 10000.0;
Float_t lastchi2 = 10000.0;
Float_t chi2 = 1000.0;
- for (Int_t iter = 0; iter < 4; iter++) {
+ for (Int_t jter = 0; jter < 4; jter++) {
- //
// Sort tracklets according "quality", try to "improve" 4 worst
- //
Float_t sumquality = 0.0;
Float_t squality[6];
Int_t sortindexes[6];
+
for (Int_t jLayer = 0; jLayer < 6; jLayer++) {
if (bseed[jLayer].IsOK()) {
AliTRDseed &tseed = bseed[jLayer];
- Double_t zcor = tseed.fTilt*(tseed.fZProb - tseed.fZref[0]);
- Float_t dangle = tseed.fYfit[1] - tseed.fYref[1];
- Float_t tquality = (18.0 - tseed.fN2) / 2.0
- + TMath::Abs(dangle) / 0.1
- + TMath::Abs(tseed.fYfit[0] - (tseed.fYref[0] - zcor)) / 0.2
- + 2.0 * TMath::Abs(tseed.fMeanz - tseed.fZref[0])
- / padlength[jLayer];
+ Double_t zcor = tseed.GetTilt() * (tseed.GetZProb() - tseed.GetZref(0));
+ Float_t dangle = tseed.GetYfit(1) - tseed.GetYref(1);
+ Float_t tquality = (18.0 - tseed.GetN2()) / 2.0 + TMath::Abs(dangle) / 0.1
+ + TMath::Abs(tseed.GetYfit(0) - (tseed.GetYref(0) - zcor)) / 0.2
+ + 2.0 * TMath::Abs(tseed.GetMeanz() - tseed.GetZref(0)) / padlength[jLayer];
squality[jLayer] = tquality;
}
else {
squality[jLayer] = -1.0;
}
- sumquality += squality[jLayer];
+ sumquality +=squality[jLayer];
}
if ((sumquality >= lastquality) ||
- (chi2 > lastchi2)) break;
+ (chi2 > lastchi2)) {
+ break;
+ }
lastquality = sumquality;
lastchi2 = chi2;
- if (iter > 0) {
+ if (jter > 0) {
for (Int_t jLayer = 0; jLayer < 6; jLayer++) {
cseed[jLayer] = bseed[jLayer];
}
for (Int_t jLayer = 5; jLayer > 1; jLayer--) {
- Int_t bLayer = sortindexes[jLayer];
- AliTRDseed tseed = bseed[bLayer];
+ Int_t bLayer = sortindexes[jLayer];
+ AliTRDseed tseed = bseed[bLayer];
- for (Int_t iTime=2;iTime<20;iTime++){
-
- AliTRDpropagationLayer &layer = *(fTrSec[ns]->GetLayer(layers[bLayer][1] - iTime));
- Double_t dxlayer = layer.GetX()-xcl[bLayer];
+ for (Int_t iTime = 2; iTime < 20; iTime++) {
- Double_t zexp = tseed.fZref[0];
- Double_t zcor = tseed.fTilt*(tseed.fZProb - tseed.fZref[0]);
-
- Float_t roadz = padlength[bLayer] + 1.0;
- if (TMath::Abs(tseed.fZProb - zexp) > padlength[bLayer]*0.5) {
+ AliTRDpropagationLayer &layer = *(fTrSec[ns]->GetLayer(layers[bLayer][1]-iTime));
+ Double_t dxlayer = layer.GetX() - xcl[bLayer];
+ Double_t zexp = tseed.GetZref(0);
+ Double_t zcor = tseed.GetTilt() * (tseed.GetZProb() - tseed.GetZref(0));
+ Float_t roadz = padlength[bLayer] + 1;
+ if (TMath::Abs(tseed.GetZProb() - zexp) > 0.5*padlength[bLayer]) {
roadz = padlength[bLayer] * 0.5;
}
- if (tseed.fZfit[1]*tseed.fZref[1] < 0) {
+ if (tseed.GetZfit(1)*tseed.GetZref(1) < 0.0) {
roadz = padlength[bLayer] * 0.5;
}
- if (TMath::Abs(tseed.fZProb - zexp) < 0.1*padlength[bLayer]) {
- zexp = tseed.fZProb;
+ if (TMath::Abs(tseed.GetZProb() - zexp) < 0.1*padlength[bLayer]) {
+ zexp = tseed.GetZProb();
roadz = padlength[bLayer] * 0.5;
}
- Double_t yexp = tseed.fYref[0] + tseed.fYref[1] * dxlayer - zcor;
+ Double_t yexp = tseed.GetYref(0) + tseed.GetYref(1) * dxlayer - zcor;
Int_t index = layer.FindNearestCluster(yexp,zexp,kRoad1y,roadz);
- if (index <= 0) continue;
- AliTRDcluster *cl = (AliTRDcluster *) GetCluster(index);
- // Register cluster
- tseed.fIndexes[iTime] = index;
- tseed.fClusters[iTime] = cl;
- tseed.fX[iTime] = dxlayer;
- tseed.fY[iTime] = cl->GetY();
- tseed.fZ[iTime] = cl->GetZ();
+ if (index <= 0) {
+ continue;
+ }
+ AliTRDcluster *clu = (AliTRDcluster *) GetCluster(index);
+
+ tseed.SetIndexes(iTime,index);
+ tseed.SetClusters(iTime,clu); // Register cluster
+ tseed.SetX(iTime,dxlayer); // Register cluster
+ tseed.SetY(iTime,clu->GetY()); // Register cluster
+ tseed.SetZ(iTime,clu->GetZ()); // Register cluster
- }
+ }
tseed.Update();
if (tseed.IsOK()) {
- Float_t dangle = tseed.fYfit[1] - tseed.fYref[1];
- Double_t zcor = tseed.fTilt * (tseed.fZProb - tseed.fZref[0]);
- Float_t tquality = (18.0 - tseed.fN2) / 2.0
- + TMath::Abs(dangle) / 0.1
- + TMath::Abs(tseed.fYfit[0] - (tseed.fYref[0] - zcor)) / 0.2
- + 2.0 * TMath::Abs(tseed.fMeanz - tseed.fZref[0])
- / padlength[jLayer];
- if (tquality < squality[bLayer]) {
+ Float_t dangle = tseed.GetYfit(1) - tseed.GetYref(1);
+ Double_t zcor = tseed.GetTilt() * (tseed.GetZProb() - tseed.GetZref(0));
+ Float_t tquality = (18.0 - tseed.GetN2()) / 2.0
+ + TMath::Abs(dangle) / 0.1
+ + TMath::Abs(tseed.GetYfit(0) - (tseed.GetYref(0) - zcor)) / 0.2
+ + 2.0 * TMath::Abs(tseed.GetMeanz() - tseed.GetZref(0)) / padlength[jLayer];
+ if (tquality<squality[bLayer]) {
bseed[bLayer] = tseed;
}
}
- }
+ } // Loop: jLayer
chi2 = AliTRDseed::FitRiemanTilt(bseed,kTRUE);
- }
+ } // Loop: jter
nclusters = 0;
nlayers = 0;
findable = 0;
for (Int_t iLayer = 0; iLayer < 6; iLayer++) {
- if (TMath::Abs(cseed[iLayer].fYref[0] / cseed[iLayer].fX0) < 0.15) {
+ if (TMath::Abs(cseed[iLayer].GetYref(0) / cseed[iLayer].GetX0()) < 0.15) {
findable++;
}
if (cseed[iLayer].IsOK()) {
- nclusters += cseed[iLayer].fN2;
+ nclusters += cseed[iLayer].GetN2();
nlayers++;
}
}
- if (nlayers < 3) continue;
+ if (nlayers < 3) {
+ continue;
+ }
rieman.Reset();
for (Int_t iLayer = 0; iLayer < 6; iLayer++) {
if (cseed[iLayer].IsOK()) {
rieman.AddPoint(xcl[iLayer]
- ,cseed[iLayer].fYfitR[0]
- ,cseed[iLayer].fZProb
+ ,cseed[iLayer].GetYfitR(0)
+ ,cseed[iLayer].GetZProb()
,1
,10);
}
chi2ZF = 0.0;
for (Int_t iLayer = 0; iLayer < 6; iLayer++) {
if (cseed[iLayer].IsOK()) {
- cseed[iLayer].fYref[0] = rieman.GetYat(xcl[iLayer]);
- chi2RF += (cseed[iLayer].fYref[0] - cseed[iLayer].fYfitR[0])
- * (cseed[iLayer].fYref[0] - cseed[iLayer].fYfitR[0]);
- cseed[iLayer].fYref[1] = rieman.GetDYat(xcl[iLayer]);
- cseed[iLayer].fZref[0] = rieman.GetZat(xcl[iLayer]);
- chi2ZF += (cseed[iLayer].fZref[0] - cseed[iLayer].fMeanz)
- * (cseed[iLayer].fZref[0] - cseed[iLayer].fMeanz);
- cseed[iLayer].fZref[1] = rieman.GetDZat(xcl[iLayer]);
+ cseed[iLayer].SetYref(0,rieman.GetYat(xcl[iLayer]));
+ chi2RF += (cseed[iLayer].GetYref(0) - cseed[iLayer].GetYfitR(0))
+ * (cseed[iLayer].GetYref(0) - cseed[iLayer].GetYfitR(0));
+ cseed[iLayer].SetYref(1,rieman.GetDYat(xcl[iLayer]));
+ cseed[iLayer].SetZref(0,rieman.GetZat(xcl[iLayer]));
+ chi2ZF += (cseed[iLayer].GetZref(0) - cseed[iLayer].GetMeanz())
+ * (cseed[iLayer].GetZref(0) - cseed[iLayer].GetMeanz());
+ cseed[iLayer].SetZref(1,rieman.GetDZat(xcl[iLayer]));
}
}
- chi2RF /= TMath::Max((nlayers-3.0),1.0);
- chi2ZF /= TMath::Max((nlayers-3.0),1.0);
- curv = rieman.GetC();
+ chi2RF /= TMath::Max((nlayers - 3.0),1.0);
+ chi2ZF /= TMath::Max((nlayers - 3.0),1.0);
+ curv = rieman.GetC();
- Double_t xref2 = (xcl[2] + xcl[3]) * 0.5; // Middle of the chamber
+ Double_t xref2 = (xcl[2] + xcl[3]) * 0.5; // Middle of the chamber
Double_t dzmf = rieman.GetDZat(xref2);
Double_t zmf = rieman.GetZat(xref2);
fitterTC.ClearPoints();
fitterT2.ClearPoints();
rieman2.Reset();
- for (Int_t iLayer = 0; iLayer < 6; iLayer++) {
- if (!cseed[iLayer].IsOK()) continue;
- for (Int_t itime = 0; itime < 25; itime++) {
+ for (Int_t iLayer = 0; iLayer < 6; iLayer++) {
- if (!cseed[iLayer].fUsable[itime]) continue;
+ if (!cseed[iLayer].IsOK()) {
+ continue;
+ }
- // x relative to the middle chamber
- Double_t x = cseed[iLayer].fX[itime] + cseed[iLayer].fX0 - xref2;
- Double_t y = cseed[iLayer].fY[itime];
- Double_t z = cseed[iLayer].fZ[itime];
+ for (Int_t itime = 0; itime < 25; itime++) {
+ if (!cseed[iLayer].IsUsable(itime)) {
+ continue;
+ }
+ // X relative to the middle chamber
+ Double_t x = cseed[iLayer].GetX(itime) + cseed[iLayer].GetX0() - xref2;
+ Double_t y = cseed[iLayer].GetY(itime);
+ Double_t z = cseed[iLayer].GetZ(itime);
// ExB correction to the correction
-
// Tilted rieman
Double_t uvt[6];
// Global x
- Double_t x2 = cseed[iLayer].fX[itime] + cseed[iLayer].fX0;
+ Double_t x2 = cseed[iLayer].GetX(itime) + cseed[iLayer].GetX0();
Double_t t = 1.0 / (x2*x2 + y*y);
- uvt[1] = t;
- uvt[0] = 2.0 * x2*uvt[1];
+ uvt[1] = t; // t
+ uvt[0] = 2.0 * x2 * uvt[1]; // u
uvt[2] = 2.0 * hL[iLayer] * uvt[1];
uvt[3] = 2.0 * hL[iLayer] * x * uvt[1];
- uvt[4] = 2.0 * (y + hL[iLayer] * z) * uvt[1];
-
+ uvt[4] = 2.0 * (y + hL[iLayer]*z) * uvt[1];
Double_t error = 2.0 * 0.2 * uvt[1];
fitterT2.AddPoint(uvt,uvt[4],error);
//
// Constrained rieman
//
- z = cseed[iLayer].fZ[itime];
- uvt[0] = 2.0 * x2 * t;
+ z = cseed[iLayer].GetZ(itime);
+ uvt[0] = 2.0 * x2 * t; // u
uvt[1] = 2.0 * hL[iLayer] * x2 * uvt[1];
uvt[2] = 2.0 * (y + hL[iLayer] * (z - GetZ())) * t;
fitterTC.AddPoint(uvt,uvt[2],error);
-
rieman2.AddPoint(x2,y,z,1,10);
npointsT++;
}
- }
+ } // Loop: iLayer
rieman2.Update();
fitterTC.Eval();
//
// Linear fitter - not possible to make boundaries
- // non accept non possible z and dzdx combination
+ // Do not accept non possible z and dzdx combinations
//
Bool_t acceptablez = kTRUE;
for (Int_t iLayer = 0; iLayer < 6; iLayer++) {
if (cseed[iLayer].IsOK()) {
Double_t zT2 = rpolz0 + rpolz1 * (xcl[iLayer] - xref2);
- if (TMath::Abs(cseed[iLayer].fZProb - zT2) > (padlength[iLayer] * 0.5 + 1.0)) {
+ if (TMath::Abs(cseed[iLayer].GetZProb() - zT2) > padlength[iLayer] * 0.5 + 1.0) {
acceptablez = kFALSE;
}
}
Double_t chi2TR = fitterT2.GetChisquare() / Float_t(npointsT);
Double_t chi2TC = fitterTC.GetChisquare() / Float_t(npointsT);
-
Double_t polz1c = fitterTC.GetParameter(2);
Double_t polz0c = polz1c * xref2;
-
- Double_t aC = fitterTC.GetParameter(0);
- Double_t bC = fitterTC.GetParameter(1);
- Double_t cC = aC / TMath::Sqrt(bC * bC + 1.0); // Curvature
-
- Double_t aR = fitterT2.GetParameter(0);
- Double_t bR = fitterT2.GetParameter(1);
- Double_t dR = fitterT2.GetParameter(2);
- Double_t cR = 1.0 + bR*bR - dR*aR;
- Double_t dca = 0.0;
-
+ Double_t aC = fitterTC.GetParameter(0);
+ Double_t bC = fitterTC.GetParameter(1);
+ Double_t cC = aC / TMath::Sqrt(bC * bC + 1.0); // Curvature
+ Double_t aR = fitterT2.GetParameter(0);
+ Double_t bR = fitterT2.GetParameter(1);
+ Double_t dR = fitterT2.GetParameter(2);
+ Double_t cR = 1.0 + bR*bR - dR*aR;
+ Double_t dca = 0.0;
if (cR > 0.0) {
dca = -dR / (TMath::Sqrt(1.0 + bR*bR - dR*aR) + TMath::Sqrt(1.0 + bR*bR));
cR = aR / TMath::Sqrt(cR);
if (cseed[iLayer].IsOK()) {
Double_t zT2 = rpolz0 + rpolz1 * (xcl[iLayer] - xref2);
Double_t zTC = polz0c + polz1c * (xcl[iLayer] - xref2);
- chi2ZT2 += TMath::Abs(cseed[iLayer].fMeanz - zT2);
- chi2ZTC += TMath::Abs(cseed[iLayer].fMeanz - zTC);
+ chi2ZT2 += TMath::Abs(cseed[iLayer].GetMeanz() - zT2);
+ chi2ZTC += TMath::Abs(cseed[iLayer].GetMeanz() - zTC);
}
}
chi2ZT2 /= TMath::Max((nlayers - 3.0),1.0);
Float_t sumdaf = 0.0;
for (Int_t iLayer = 0; iLayer < 6; iLayer++) {
if (cseed[iLayer].IsOK()) {
- sumdaf += TMath::Abs((cseed[iLayer].fYfit[1] - cseed[iLayer].fYref[1])
- / cseed[iLayer].fSigmaY2);
+ sumdaf += TMath::Abs((cseed[iLayer].GetYfit(1) - cseed[iLayer].GetYref(1))
+ / cseed[iLayer].GetSigmaY2());
}
- }
+ }
sumdaf /= Float_t (nlayers - 2.0);
//
Double_t likeaf = TMath::Exp(-sumdaf * 3.23);
seedquality2[registered] = likezf * likechi2TR * likeaf;
- // Needed still ????
+ // Still needed ????
// Bool_t isGold = kFALSE;
//
-// if (nlayers == 6 && TMath::Log(0.000000001+seedquality2[index])<-5.)
-// isGold =kTRUE; // gold
-// if (nlayers == findable && TMath::Log(0.000000001+seedquality2[index])<-4.)
-// isGold =kTRUE; // gold
+// if (nlayers == 6 && TMath::Log(0.000000001+seedquality2[index])<-5.) isGold =kTRUE; // gold
+// if (nlayers == findable && TMath::Log(0.000000001+seedquality2[index])<-4.) isGold =kTRUE; // gold
// if (isGold &&nusedf<10){
// for (Int_t jLayer=0;jLayer<6;jLayer++){
-// if ( seed[index][jLayer].IsOK()&&
-// TMath::Abs(seed[index][jLayer].fYfit[1]-seed[index][jLayer].fYfit[1])<0.1)
+// if ( seed[index][jLayer].IsOK()&&TMath::Abs(seed[index][jLayer].fYfit[1]-seed[index][jLayer].fYfit[1])<0.1)
// seed[index][jLayer].UseClusters(); //sign gold
// }
// }
index0 = 2;
}
}
- seedparams[registered][0] = cseed[index0].fX0;
- seedparams[registered][1] = cseed[index0].fYref[0];
- seedparams[registered][2] = cseed[index0].fZref[0];
+ seedparams[registered][0] = cseed[index0].GetX0();
+ seedparams[registered][1] = cseed[index0].GetYref(0);
+ seedparams[registered][2] = cseed[index0].GetZref(0);
seedparams[registered][5] = cR;
- seedparams[registered][3] = cseed[index0].fX0 * cR
- - TMath::Sin(TMath::ATan(cseed[0].fYref[1]));
- seedparams[registered][4] = cseed[index0].fZref[1]
- / TMath::Sqrt(1.0 + cseed[index0].fYref[1]
- * cseed[index0].fYref[1]);
+ seedparams[registered][3] = cseed[index0].GetX0() * cR - TMath::Sin(TMath::ATan(cseed[0].GetYref(1)));
+ seedparams[registered][4] = cseed[index0].GetZref(1)
+ / TMath::Sqrt(1.0 + cseed[index0].GetYref(1) * cseed[index0].GetYref(1));
seedparams[registered][6] = ns;
Int_t labels[12];
Int_t outlab[24];
Int_t nlab = 0;
for (Int_t iLayer = 0; iLayer < 6; iLayer++) {
- if (!cseed[iLayer].IsOK()) continue;
- if (cseed[iLayer].fLabels[0] >= 0) {
- labels[nlab] = cseed[iLayer].fLabels[0];
+ if (!cseed[iLayer].IsOK()) {
+ continue;
+ }
+ if (cseed[iLayer].GetLabels(0) >= 0) {
+ labels[nlab] = cseed[iLayer].GetLabels(0);
nlab++;
}
- if (cseed[iLayer].fLabels[1] >= 0) {
- labels[nlab] = cseed[iLayer].fLabels[1];
+ if (cseed[iLayer].GetLabels(1) >= 0) {
+ labels[nlab] = cseed[iLayer].GetLabels(1);
nlab++;
- }
+ }
}
Freq(nlab,labels,outlab,kFALSE);
Int_t label = outlab[0];
Int_t frequency = outlab[1];
for (Int_t iLayer = 0; iLayer < 6; iLayer++) {
- cseed[iLayer].fFreq = frequency;
- cseed[iLayer].fC = cR;
- cseed[iLayer].fCC = cC;
- cseed[iLayer].fChi2 = chi2TR;
- cseed[iLayer].fChi2Z = chi2ZF;
+ cseed[iLayer].SetFreq(frequency);
+ cseed[iLayer].SetC(cR);
+ cseed[iLayer].SetCC(cC);
+ cseed[iLayer].SetChi2(chi2TR);
+ cseed[iLayer].SetChi2Z(chi2ZF);
}
// Debugging print
- if (1 || (!isFake)){
+ if (1 || (!isFake)) {
Float_t zvertex = GetZ();
TTreeSRedirector &cstream = *fDebugStreamer;
- if (AliTRDReconstructor::StreamLevel() > 0) {
+ if (fReconstructor->GetRecoParam()->GetStreamLevel(AliTRDrecoParam::kTracker) > 0) {
cstream << "Seeds1"
- << "isFake=" << isFake
- << "Vertex=" << zvertex
- << "Rieman2.=" << &rieman2
- << "Rieman.=" << &rieman
+ << "isFake=" << isFake
+ << "Vertex=" << zvertex
+ << "Rieman2.=" << &rieman2
+ << "Rieman.=" << &rieman
<< "Xref=" << xref
<< "X0=" << xcl[0]
<< "X1=" << xcl[1]
<< "Chi2Z=" << chi2Z
<< "Chi2RF=" << chi2RF // Chi2 of trackletes on full track
<< "Chi2ZF=" << chi2ZF // Chi2 z on tracklets on full track
- << "Chi2ZT2=" << chi2ZT2 // Chi2 z on tracklets on full track - rieman tilt
- << "Chi2ZTC=" << chi2ZTC // Chi2 z on tracklets on full track - rieman tilt const
+ << "Chi2ZT2=" << chi2ZT2 // Chi2 z on tracklets on full track - rieman tilt
+ << "Chi2ZTC=" << chi2ZTC // Chi2 z on tracklets on full track - rieman tilt const
<< "Chi2TR=" << chi2TR // Chi2 without vertex constrain
- << "Chi2TC=" << chi2TC // Chi2 with vertex constrain
+ << "Chi2TC=" << chi2TC // Chi2 with vertex constrain
<< "C=" << curv // Non constrained - no tilt correction
- << "DR=" << dR // DR parameter - tilt correction
- << "DCA=" << dca // DCA - tilt correction
+ << "DR=" << dR // DR parameter - tilt correction
+ << "DCA=" << dca // DCA - tilt correction
<< "CR=" << cR // Non constrained curvature - tilt correction
<< "CC=" << cC // Constrained curvature
<< "Polz0=" << polz0c
<< "\n";
}
}
+
if (registered<kMaxSeed - 1) {
registered++;
cseed = seed[registered];
//
// Choose best
//
+
TMath::Sort(registered,seedquality2,sort,kTRUE);
Bool_t signedseed[kMaxSeed];
for (Int_t i = 0; i < registered; i++) {
signedseed[i] = kFALSE;
}
- for (Int_t iter = 0; iter < 5; iter++) {
- for (Int_t iseed = 0; iseed < registered; iseed++) {
+ for (Int_t jter = 0; jter < 5; jter++) {
+ for (Int_t iseed = 0; iseed < registered; iseed++) {
+
Int_t index = sort[iseed];
- if (signedseed[index]) continue;
+ if (signedseed[index]) {
+ continue;
+ }
Int_t labelsall[1000];
Int_t nlabelsall = 0;
Int_t naccepted = 0;;
for (Int_t jLayer = 0; jLayer < 6; jLayer++) {
- if (TMath::Abs(seed[index][jLayer].fYref[0] / xcl[jLayer]) < 0.15) {
+ if (TMath::Abs(seed[index][jLayer].GetYref(0) / xcl[jLayer]) < 0.15) {
findable++;
}
-
if (seed[index][jLayer].IsOK()) {
-
seed[index][jLayer].UpdateUsed();
- ncl += seed[index][jLayer].fN2;
- nused += seed[index][jLayer].fNUsed;
+ ncl +=seed[index][jLayer].GetN2();
+ nused +=seed[index][jLayer].GetNUsed();
nlayers++;
-
// Cooking label
for (Int_t itime = 0; itime < 25; itime++) {
- if (seed[index][jLayer].fUsable[itime]) {
+ if (seed[index][jLayer].IsUsable(itime)) {
naccepted++;
for (Int_t ilab = 0; ilab < 3; ilab++) {
- Int_t tindex = seed[index][jLayer].fClusters[itime]->GetLabel(ilab);
- if (tindex >=0) {
+ Int_t tindex = seed[index][jLayer].GetClusters(itime)->GetLabel(ilab);
+ if (tindex >= 0) {
labelsall[nlabelsall] = tindex;
nlabelsall++;
}
}
}
}
-
}
}
- if (nused > 30) continue;
+ if (nused > 30) {
+ continue;
+ }
- if (iter == 0) {
- if (nlayers < 6) continue;
- if (TMath::Log(0.000000001 + seedquality2[index]) < -5.0) continue; // Gold
+ if (jter == 0) {
+ if (nlayers < 6) {
+ continue;
+ }
+ if (TMath::Log(0.000000001+seedquality2[index]) < -5.0) {
+ continue; // Gold
+ }
}
- if (iter == 1) {
- if (nlayers < findable) continue;
- if (TMath::Log(0.000000001+seedquality2[index]) < -4.0) continue;
+ if (jter == 1) {
+ if (nlayers < findable) {
+ continue;
+ }
+ if (TMath::Log(0.000000001+seedquality2[index]) < -4.0) {
+ continue;
+ }
}
- if (iter == 2) {
+ if (jter == 2) {
if ((nlayers == findable) ||
- (nlayers == 6)) continue;
- if (TMath::Log(0.000000001 + seedquality2[index]) < -6.0) continue;
+ (nlayers == 6)) {
+ continue;
+ }
+ if (TMath::Log(0.000000001+seedquality2[index]) < -6.0) {
+ continue;
+ }
}
- if (iter == 3) {
- if (TMath::Log(0.000000001 + seedquality2[index]) < -5.0) continue;
+ if (jter == 3) {
+ if (TMath::Log(0.000000001+seedquality2[index]) < -5.0) {
+ continue;
+ }
}
- if (iter == 4) {
- if ((TMath::Log(0.000000001 + seedquality2[index]) - nused/(nlayers - 3.0)) < -15.0) {
+ if (jter == 4) {
+ if (TMath::Log(0.000000001+seedquality2[index]) - nused/(nlayers-3.0) < -15.0) {
continue;
}
}
Int_t nlab = 0;
for (Int_t iLayer = 0; iLayer < 6; iLayer++) {
if (seed[index][iLayer].IsOK()) {
- if (seed[index][iLayer].fLabels[0] >= 0) {
- labels[nlab] = seed[index][iLayer].fLabels[0];
+ if (seed[index][iLayer].GetLabels(0) >= 0) {
+ labels[nlab] = seed[index][iLayer].GetLabels(0);
nlab++;
}
- if (seed[index][iLayer].fLabels[1] >= 0) {
- labels[nlab] = seed[index][iLayer].fLabels[1];
+ if (seed[index][iLayer].GetLabels(1) >= 0) {
+ labels[nlab] = seed[index][iLayer].GetLabels(1);
nlab++;
- }
- }
+ }
+ }
}
Freq(nlab,labels,outlab,kFALSE);
Int_t label = outlab[0];
Float_t ratio = Float_t(nused) / Float_t(ncl);
if (ratio < 0.25) {
for (Int_t jLayer = 0; jLayer < 6; jLayer++) {
- if (seed[index][jLayer].IsOK() &&
- TMath::Abs(seed[index][jLayer].fYfit[1] - seed[index][jLayer].fYfit[1]) < 0.2) {
+ if ((seed[index][jLayer].IsOK()) &&
+ (TMath::Abs(seed[index][jLayer].GetYfit(1) - seed[index][jLayer].GetYfit(1)) < 0.2)) {
seed[index][jLayer].UseClusters(); // Sign gold
}
}
}
- Int_t eventNr = esd->GetEventNumber();
+ Int_t eventNrInFile = esd->GetEventNumberInFile(); // This is most likely NOT the event number you'd like to use. It has nothing to do with the 'real' event number.
TTreeSRedirector &cstream = *fDebugStreamer;
//
esdtrack.UpdateTrackParams(track,AliESDtrack::kTRDout);
esdtrack.SetLabel(label);
esd->AddTrack(&esdtrack);
- TTreeSRedirector &cstream = *fDebugStreamer;
- if (AliTRDReconstructor::StreamLevel() > 0) {
+ if (fReconstructor->GetRecoParam()->GetStreamLevel(AliTRDrecoParam::kTracker) > 0) {
cstream << "Tracks"
- << "EventNr=" << eventNr
+ << "EventNrInFile=" << eventNrInFile
<< "ESD.=" << &esdtrack
<< "trd.=" << track
<< "trdback.=" << track
}
}
- if (AliTRDReconstructor::StreamLevel() > 0) {
+ if (fReconstructor->GetRecoParam()->GetStreamLevel(AliTRDrecoParam::kTracker) > 0) {
cstream << "Seeds2"
- << "Iter=" << iter
+ << "Iter=" << jter
<< "Track.=" << track
<< "Like=" << seedquality[index]
<< "LikeF=" << seedquality2[index]
<< "FakeRatio=" << fakeratio
<< "Freq=" << frequency
<< "Ncl=" << ncl
- << "Nlayers=" << nlayers
+ << "Nlayers=" << nlayers
<< "Findable=" << findable
<< "NUsed=" << nused
<< "sLayer=" << sLayer
- << "EventNr=" << eventNr
+ << "EventNrInFile=" << eventNrInFile
<< "\n";
}
- }
+ } // Loop: iseed
- }
+ } // Loop: jter
} // End of loop over sectors
delete [] pseed;
+ return 0;
}
//_____________________________________________________________________________
-Int_t AliTRDtracker::ReadClusters(TObjArray *array, TTree *ClusterTree) const
+Int_t AliTRDtracker::ReadClusters(TObjArray *array, TTree *clusterTree) const
{
//
- // Reads AliTRDclusters (option >= 0) or AliTRDrecPoints (option < 0)
- // from the file. The names of the cluster tree and branches
+ // Reads AliTRDclusters from the file.
+ // The names of the cluster tree and branches
// should match the ones used in AliTRDclusterizer::WriteClusters()
//
- Int_t nsize = Int_t(ClusterTree->GetTotBytes() / (sizeof(AliTRDcluster)));
- TObjArray *clusterArray = new TObjArray(nsize + 1000);
+ Int_t nsize = Int_t(clusterTree->GetTotBytes() / (sizeof(AliTRDcluster)));
+ TObjArray *clusterArray = new TObjArray(nsize+1000);
- TBranch *branch=ClusterTree->GetBranch("TRDcluster");
+ TBranch *branch = clusterTree->GetBranch("TRDcluster");
if (!branch) {
- AliError("Can't get the cluster branch!");
+ AliError("Can't get the branch !");
return 1;
}
branch->SetAddress(&clusterArray);
// Loop through all entries in the tree
- Int_t nEntries = (Int_t) ClusterTree->GetEntries();
+ Int_t nEntries = (Int_t) clusterTree->GetEntries();
Int_t nbytes = 0;
- AliTRDcluster *c = 0;
+ AliTRDcluster *c = NULL;
for (Int_t iEntry = 0; iEntry < nEntries; iEntry++) {
// Import the tree
- nbytes += ClusterTree->GetEvent(iEntry);
+ nbytes += clusterTree->GetEvent(iEntry);
// 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;
//
AliTRDcluster *cl = (AliTRDcluster *) fClusters->UncheckedAt(index);
- Int_t idet = cl->GetDetector();
- Int_t isector = fGeom->GetSector(idet);
- Int_t ichamber = fGeom->GetChamber(idet);
- Int_t iplan = fGeom->GetPlane(idet);
+ Int_t idet = cl->GetDetector();
+ Int_t isector = fGeom->GetSector(idet);
+ Int_t istack = fGeom->GetStack(idet);
+ Int_t ilayer = fGeom->GetLayer(idet);
Double_t local[3];
- local[0] = GetX(isector,iplan,cl->GetLocalTimeBin());
+ local[0] = GetX(isector,ilayer,cl->GetLocalTimeBin());
local[1] = cl->GetY();
local[2] = cl->GetZ();
Double_t global[3];
fGeom->RotateBack(idet,local,global);
p.SetXYZ(global[0],global[1],global[2]);
- AliAlignObj::ELayerID iLayer = AliAlignObj::kTRD1;
- switch (iplan) {
+ AliGeomManager::ELayerID iGeoLayer = AliGeomManager::kTRD1;
+ switch (ilayer) {
case 0:
- iLayer = AliAlignObj::kTRD1;
+ iGeoLayer = AliGeomManager::kTRD1;
break;
case 1:
- iLayer = AliAlignObj::kTRD2;
+ iGeoLayer = AliGeomManager::kTRD2;
break;
case 2:
- iLayer = AliAlignObj::kTRD3;
+ iGeoLayer = AliGeomManager::kTRD3;
break;
case 3:
- iLayer = AliAlignObj::kTRD4;
+ iGeoLayer = AliGeomManager::kTRD4;
break;
case 4:
- iLayer = AliAlignObj::kTRD5;
+ iGeoLayer = AliGeomManager::kTRD5;
break;
case 5:
- iLayer = AliAlignObj::kTRD6;
+ iGeoLayer = AliGeomManager::kTRD6;
break;
};
- Int_t modId = isector * fGeom->Ncham() + ichamber;
- UShort_t volid = AliAlignObj::LayerToVolUID(iLayer,modId);
+ Int_t modId = isector * fGeom->Nstack() + istack;
+ UShort_t volid = AliGeomManager::LayerToVolUID(iGeoLayer,modId);
p.SetVolumeID(volid);
return kTRUE;
}
//_____________________________________________________________________________
-void AliTRDtracker::CookLabel(AliKalmanTrack* pt, Float_t wrong) const
+void AliTRDtracker::CookLabel(AliKalmanTrack *pt, Float_t wrong) const
{
//
// This cooks a label. Mmmmh, smells good...
Int_t index;
Int_t i;
Int_t j;
- Int_t ncl = pt->GetNumberOfClusters();
+ Int_t ncl = pt->GetNumberOfClusters();
+
const Int_t kRange = fTrSec[0]->GetOuterTimeBin() + 1;
Bool_t labelAdded;
- Int_t **s = new Int_t*[kRange];
+ Int_t **s = new Int_t* [kRange];
for (i = 0; i < kRange; i++) {
s[i] = new Int_t[2];
}
Int_t t0;
Int_t t1;
Int_t t2;
+
for (i = 0; i < ncl; i++) {
index = pt->GetClusterIndex(i);
AliTRDcluster *c = (AliTRDcluster *) fClusters->UncheckedAt(index);
- t0 = c->GetLabel(0);
- t1 = c->GetLabel(1);
- t2 = c->GetLabel(2);
+ t0=c->GetLabel(0);
+ t1=c->GetLabel(1);
+ t2=c->GetLabel(2);
}
for (i = 0; i < ncl; i++) {
AliTRDcluster *c = (AliTRDcluster *) fClusters->UncheckedAt(index);
for (Int_t k = 0; k < 3; k++) {
label = c->GetLabel(k);
- labelAdded = kFALSE;
+ labelAdded = kFALSE;
j = 0;
if (label >= 0) {
while ((!labelAdded) && (j < kRange)) {
}
Int_t max = 0;
- label = -123456789;
+ label = -123456789;
for (i = 0; i < kRange; i++) {
if (s[i][1] > max) {
}
for (i = 0; i < kRange; i++) {
- delete [] s[i];
+ delete []s[i];
}
- delete [] s;
+ delete []s;
- if ((1.0 - Float_t(max)/ncl) > wrong) {
+ if ((1.0 - Float_t(max)/ncl) > wrong) {
label = -label;
}
}
//_____________________________________________________________________________
-void AliTRDtracker::UseClusters(const AliKalmanTrack* t, Int_t from) const
+void AliTRDtracker::UseClusters(const AliKalmanTrack *t, Int_t from) const
{
//
// Use clusters, but don't abuse them!
//
- const Float_t kmaxchi2 = 18.0;
- const Float_t kmincl = 10.0;
- AliTRDtrack *track = (AliTRDtrack *) t;
+ const Float_t kmaxchi2 = 18;
+ const Float_t kmincl = 10;
+
+ AliTRDtrack *track = (AliTRDtrack *) t;
Int_t ncl = t->GetNumberOfClusters();
for (Int_t i = from; i < ncl; i++) {
- Int_t index = t->GetClusterIndex(i);
- AliTRDcluster *c= (AliTRDcluster *) fClusters->UncheckedAt(index);
- Int_t iplane = fGeom->GetPlane(c->GetDetector());
- if (track->fTracklets[iplane].GetChi2() > kmaxchi2) continue;
- if (track->fTracklets[iplane].GetN() < kmincl) continue;
- if (!(c->IsUsed())) c->Use();
+ Int_t index = t->GetClusterIndex(i);
+ AliTRDcluster *c = (AliTRDcluster *) fClusters->UncheckedAt(index);
+ Int_t ilayer = fGeom->GetLayer(c->GetDetector());
+ if (track->GetTracklets(ilayer).GetChi2() > kmaxchi2) {
+ continue;
+ }
+ if (track->GetTracklets(ilayer).GetN() < kmincl) {
+ continue;
+ }
+ if (!(c->IsUsed())) {
+ c->Use();
+ }
}
}
//
Double_t s = 0.08 * 0.08;
-
return s;
}
//
Double_t s = 9.0 * 9.0 / 12.0;
-
return s;
}
{
//
// Returns radial position which corresponds to time bin <localTB>
- // in tracking sector <sector> and plane <plane>
- //
-
- Int_t index = fTrSec[sector]->CookTimeBinIndex(plane,localTB);
- Int_t pl = fTrSec[sector]->GetLayerNumber(index);
-
- return fTrSec[sector]->GetLayer(pl)->GetX();
-
-}
-
-//_____________________________________________________________________________
-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;
- }
-
-}
-
-//_____________________________________________________________________________
-AliTRDtracker::AliTRDpropagationLayer
- ::AliTRDpropagationLayer(const AliTRDpropagationLayer &/*p*/)
- :fN(0)
- ,fSec(0)
- ,fClusters(NULL)
- ,fIndex(NULL)
- ,fX(0)
- ,fdX(0)
- ,fRho(0)
- ,fX0(0)
- ,fTimeBinIndex(0)
- ,fPlane(0)
- ,fYmax(0)
- ,fYmaxSensitive(0)
- ,fHole(kFALSE)
- ,fHoleZc(0)
- ,fHoleZmax(0)
- ,fHoleYc(0)
- ,fHoleYmax(0)
- ,fHoleRho(0)
- ,fHoleX0(0)
-{
- //
- // Copy constructor
- //
-
-}
-
-//_____________________________________________________________________________
-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
+ // in tracking sector <sector> and plane <plane>
//
- fHole = kTRUE;
- fHoleZc = Zc;
- fHoleZmax = Zmax;
- fHoleYc = Yc;
- fHoleYmax = Ymax;
- fHoleRho = rho;
- fHoleX0 = radLength;
+ Int_t index = fTrSec[sector]->CookTimeBinIndex(plane, localTB);
+ Int_t pl = fTrSec[sector]->GetLayerNumber(index);
+
+ return fTrSec[sector]->GetLayer(pl)->GetX();
}
+
//_____________________________________________________________________________
AliTRDtracker::AliTRDtrackingSector
::AliTRDtrackingSector(AliTRDgeometry *geo, Int_t gs)
// AliTRDtrackingSector Constructor
//
- AliTRDpadPlane *padPlane = 0;
- AliTRDpropagationLayer *ppl = 0;
+ AliTRDpadPlane *padPlane = 0;
+ AliTRDpropagationLayer *ppl = 0;
// Get holes description from geometry
- Bool_t holes[AliTRDgeometry::kNcham];
- for (Int_t icham = 0; icham < AliTRDgeometry::kNcham; icham++) {
- holes[icham] = fGeom->IsHole(0,icham,gs);
+ Bool_t holes[AliTRDgeometry::kNstack];
+ for (Int_t istack = 0; istack < AliTRDgeometry::kNstack; istack++) {
+ holes[istack] = fGeom->IsHole(0,istack,gs);
}
for (UInt_t i = 0; i < kMaxTimeBinIndex; i++) {
Double_t dxAmp = (Double_t) fGeom->CamHght(); // Amplification region
//Double_t dxDrift = (Double_t) fGeom->CdrHght(); // Drift region
- const Int_t kNchambers = AliTRDgeometry::Ncham();
+ const Int_t kNstacks = AliTRDgeometry::Nstack();
Int_t tbIndex;
Double_t ymax = 0;
Double_t ymaxsensitive = 0;
- Double_t *zc = new Double_t[kNchambers];
- Double_t *zmax = new Double_t[kNchambers];
- Double_t *zmaxsensitive = new Double_t[kNchambers];
-
- AliTRDCommonParam *commonParam = AliTRDCommonParam::Instance();
- if (!commonParam) {
- AliErrorGeneral("AliTRDtrackingSector::Ctor"
- ,"Could not get common parameters\n");
- return;
- }
+ Double_t *zc = new Double_t[kNstacks];
+ Double_t *zmax = new Double_t[kNstacks];
+ Double_t *zmaxsensitive = new Double_t[kNstacks];
- for (Int_t plane = 0; plane < AliTRDgeometry::Nplan(); plane++) {
+ for (Int_t layer = 0; layer < AliTRDgeometry::Nlayer(); layer++) {
- ymax = fGeom->GetChamberWidth(plane) / 2.0;
- padPlane = commonParam->GetPadPlane(plane,0);
+ ymax = fGeom->GetChamberWidth(layer) / 2.0;
+ padPlane = fGeom->GetPadPlane(layer,0);
ymaxsensitive = (padPlane->GetColSize(1) * padPlane->GetNcols() - 4.0) / 2.0;
- for (Int_t ch = 0; ch < kNchambers; ch++) {
- zmax[ch] = fGeom->GetChamberLength(plane,ch) / 2.0;
+ for (Int_t st = 0; st < kNstacks; st++) {
+ zmax[st] = fGeom->GetChamberLength(layer,st) / 2.0;
Float_t pad = padPlane->GetRowSize(1);
- Float_t row0 = commonParam->GetRow0(plane,ch,0);
- Int_t nPads = commonParam->GetRowMax(plane,ch,0);
- zmaxsensitive[ch] = Float_t(nPads) * pad / 2.0;
- zc[ch] = -(pad * nPads) / 2.0 + row0;
+ Float_t row0 = fGeom->GetRow0(layer,st,0);
+ Int_t nPads = fGeom->GetRowMax(layer,st,0);
+ zmaxsensitive[st] = Float_t(nPads) * pad / 2.0;
+ zc[st] = -(pad * nPads) / 2.0 + row0;
}
- dx = AliTRDcalibDB::Instance()->GetVdrift(0,0,0)
- / AliTRDcalibDB::Instance()->GetSamplingFrequency();
+ 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 x0 = (Double_t) AliTRDgeometry::GetTime0(layer);
//Double_t xbottom = x0 - dxDrift;
//Double_t xtop = x0 + dxAmp;
+
+ //temporary !! (A.Bercuci)
+ Int_t t0 = (Int_t)fCalibration->GetT0Average(AliTRDgeometry::GetDetector(layer, 2, gs));
- Int_t nTimeBins = AliTRDcalibDB::Instance()->GetNumberOfTimeBins();
+ Int_t nTimeBins = AliTRDcalibDB::Instance()->GetNumberOfTimeBinsDCS();
for (Int_t iTime = 0; iTime < nTimeBins; iTime++) {
Double_t xlayer = iTime * dx - dxAmp;
//if (xlayer<0) xlayer = dxAmp / 2.0;
x = x0 - xlayer;
- tbIndex = CookTimeBinIndex(plane,iTime);
- ppl = new AliTRDpropagationLayer(x,dx,rho,radLength,tbIndex,plane);
+ tbIndex = CookTimeBinIndex(layer,iTime);
+ ppl = new AliTRDpropagationLayer(x,dx,rho,radLength,tbIndex,layer);
ppl->SetYmax(ymax,ymaxsensitive);
ppl->SetZ(zc,zmax,zmaxsensitive);
ppl->SetHoles(holes);
- InsertLayer(ppl);
+ if(iTime == t0) ppl->SetT0();
+
+ InsertLayer(ppl);
}
}
+//_____________________________________________________________________________
+AliTRDtracker::AliTRDtrackingSector
+ ::~AliTRDtrackingSector()
+{
+ //
+ // Destructor
+ //
+
+ for (Int_t i = 0; i < fN; i++) {
+ delete fLayers[i];
+ }
+
+}
+
//_____________________________________________________________________________
Int_t AliTRDtracker::AliTRDtrackingSector
::CookTimeBinIndex(Int_t plane, Int_t localTB) const
{
//
- // Depending on the digitization parameters calculates "global"
- // time bin index for timebin <localTB> in plane <plane>
- //
+ // Depending on the digitization parameters calculates global
+ // (i.e. for a whole TRD stack of 6 planes) time bin index for
+ // timebin <localTB> in plane <plane>
//
- Int_t tbPerPlane = AliTRDcalibDB::Instance()->GetNumberOfTimeBins();
- Int_t gtb = (plane + 1) * tbPerPlane - localTB - 1;
-
- if (localTB < 0) return -1;
- if (gtb < 0) return -1;
+ Int_t tbPerPlane = AliTRDcalibDB::Instance()->GetNumberOfTimeBinsDCS();
+ Int_t gtb = (plane+1) * tbPerPlane - localTB - 1;
+ if (localTB < 0) {
+ return -1;
+ }
+ if (gtb < 0) {
+ return -1;
+ }
return gtb;
for (Int_t i = 0; i < fN; i++) {
index = fLayers[i]->GetTimeBinIndex();
-
- if(index < 0) continue;
- if(index >= (Int_t) kMaxTimeBinIndex) {
- AliWarningGeneral("AliTRDtrackingSector::MapTimeBinLayers()"
- ,Form("Index %d exceeds allowed maximum of %d!\n"
- ,index,kMaxTimeBinIndex-1));
+
+ if (index < 0) {
+ continue;
+ }
+ if (index >= (Int_t) kMaxTimeBinIndex) {
+ //AliWarning(Form("Index %d exceeds allowed maximum of %d!\n"
+ // ,index,kMaxTimeBinIndex-1));
continue;
}
// Returns the number of time bin which in radial position is closest to <x>
//
- if (x >= fLayers[fN-1]->GetX()) return fN - 1;
- if (x <= fLayers[0]->GetX()) return 0;
+ if (x >= fLayers[fN-1]->GetX()) {
+ return fN - 1;
+ }
+ if (x <= fLayers[ 0]->GetX()) {
+ return 0;
+ }
Int_t b = 0;
Int_t e = fN - 1;
Int_t m = (b + e) / 2;
- for (; b < e; m = (b + e)/ 2) {
+ for ( ; b < e; m = (b + e) / 2) {
if (x > fLayers[m]->GetX()) {
b = m + 1;
}
}
}
- if (TMath::Abs(x - fLayers[m]->GetX()) >
- TMath::Abs(x - fLayers[m+1]->GetX())) {
- return m+1;
+ if (TMath::Abs(x - fLayers[m]->GetX()) > TMath::Abs(x - fLayers[m+1]->GetX())) {
+ return m + 1;
}
else {
return m;
for (tb = kMaxTimeBinIndex - 1; tb >= 0; tb--) {
layer = GetLayerNumber(tb);
- if (layer >= 0) break;
+ if (layer >= 0) {
+ break;
+ }
}
return tb + 1;
//_____________________________________________________________________________
void AliTRDtracker::AliTRDtrackingSector
- ::InsertLayer(AliTRDpropagationLayer* pl)
+ ::InsertLayer(AliTRDpropagationLayer *pl)
{
//
// Insert layer <pl> in fLayers array.
//
if (fN == ((Int_t) kMaxLayersPerSector)) {
- AliWarningGeneral("AliTRDtrackingSector::InsertLayer"
- ,"Too many layers !\n");
+ //AliWarning("Too many layers !\n");
return;
}
}
Int_t i = Find(pl->GetX());
- memmove(fLayers + i + 1,fLayers + i
- ,(fN-i)*sizeof(AliTRDpropagationLayer*));
+
+ memmove(fLayers+i+1,fLayers+i,(fN-i)*sizeof(AliTRDpropagationLayer*));
+
fLayers[i] = pl;
fN++;
// Returns index of the propagation layer nearest to X
//
- if (x <= fLayers[0]->GetX()) return 0;
- if (x > fLayers[fN-1]->GetX()) 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 (x > fLayers[m]->GetX()) {
- b = m + 1;
- }
- else {
- e = m;
- }
- }
-
- return m;
-
-}
-
-//_____________________________________________________________________________
-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) {
- AliErrorGeneral("AliTRDpropagationLayer::InsertCluster"
- ,"Attempt to insert cluster into non-sensitive time bin!\n");
- return;
- }
-
- if (fN == (Int_t) kMaxClusterPerTimeBin) {
- AliErrorGeneral("AliTRDpropagationLayer::InsertCluster"
- ,"Too many clusters !\n");
- return;
+ if (x <= fLayers[0]->GetX()) {
+ return 0;
}
- if (fN == 0) {
- fIndex[0] = index;
- fClusters[fN++] = c;
- return;
+ if (x > fLayers[fN-1]->GetX()) {
+ return fN;
}
- 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 e = fN-1;
Int_t m = (b + e) / 2;
for (; b < e; m = (b + e) / 2) {
- if (y > fClusters[m]->GetY()) {
+ if (x > fLayers[m]->GetX()) {
b = m + 1;
}
else {
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)
+Double_t AliTRDtracker::GetTiltFactor(const AliTRDcluster *c)
{
//
// Returns correction factor for tilted pads geometry
//
- Int_t det = c->GetDetector();
- Int_t plane = fGeom->GetPlane(det);
-
- AliTRDpadPlane *padPlane = AliTRDCommonParam::Instance()->GetPadPlane(plane,0);
-
- Double_t h01 = TMath::Tan(-TMath::Pi()/180.0 * padPlane->GetTiltingAngle());
-
- if (fNoTilt) h01 = 0.0;
-
- return h01;
-
-}
+ Int_t det = c->GetDetector();
+ Int_t layer = fGeom->GetLayer(det);
+ AliTRDpadPlane *padPlane = fGeom->GetPadPlane(layer,0);
+ Double_t h01 = TMath::Tan(-TMath::Pi() / 180.0 * padPlane->GetTiltingAngle());
-//_____________________________________________________________________________
-void AliTRDtracker::CookdEdxTimBin(AliTRDtrack& TRDtrack)
-{
- //
- // This is setting fdEdxPlane and fTimBinPlane
- // Sums up the charge in each plane for track TRDtrack and also get the
- // Time bin for Max. Cluster
- // Prashant Shukla (shukla@physi.uni-heidelberg.de)
- //
-
- Double_t clscharge[AliESDtrack::kNPlane][AliESDtrack::kNSlice];
- Double_t maxclscharge[AliESDtrack::kNPlane];
- Int_t nCluster[AliESDtrack::kNPlane][AliESDtrack::kNSlice];
- Int_t timebin[AliESDtrack::kNPlane];
-
- // Initialization of cluster charge per plane.
- for (Int_t iPlane = 0; iPlane < AliESDtrack::kNPlane; iPlane++) {
- for (Int_t iSlice = 0; iSlice < AliESDtrack::kNSlice; iSlice++) {
- clscharge[iPlane][iSlice] = 0.0;
- nCluster[iPlane][iSlice] = 0;
- }
- }
-
- // Initialization of cluster charge per plane.
- for (Int_t iPlane = 0; iPlane < AliESDtrack::kNPlane; iPlane++) {
- timebin[iPlane] = -1;
- maxclscharge[iPlane] = 0.0;
- }
-
- // Loop through all clusters associated to track TRDtrack
- Int_t nClus = TRDtrack.GetNumberOfClusters(); // from Kalmantrack
- for (Int_t iClus = 0; iClus < nClus; iClus++) {
- Double_t charge = TRDtrack.GetClusterdQdl(iClus);
- Int_t index = TRDtrack.GetClusterIndex(iClus);
- AliTRDcluster *pTRDcluster = (AliTRDcluster *) GetCluster(index);
- if (!pTRDcluster) continue;
- Int_t tb = pTRDcluster->GetLocalTimeBin();
- if (!tb) continue;
- Int_t detector = pTRDcluster->GetDetector();
- Int_t iPlane = fGeom->GetPlane(detector);
- Int_t iSlice = tb * AliESDtrack::kNSlice / AliTRDtrack::kNtimeBins;
- clscharge[iPlane][iSlice] = clscharge[iPlane][iSlice] + charge;
- if(charge > maxclscharge[iPlane]) {
- maxclscharge[iPlane] = charge;
- timebin[iPlane] = tb;
- }
- nCluster[iPlane][iSlice]++;
- }
-
- // Setting the fdEdxPlane and fTimBinPlane variabales
- Double_t totalCharge = 0;
- for (Int_t iPlane = 0; iPlane < AliESDtrack::kNPlane; iPlane++) {
- for (Int_t iSlice = 0; iSlice < AliESDtrack::kNSlice; iSlice++) {
- if (nCluster[iPlane][iSlice]) {
- clscharge[iPlane][iSlice] /= nCluster[iPlane][iSlice];
- }
- TRDtrack.SetPIDsignals(clscharge[iPlane][iSlice],iPlane,iSlice);
- totalCharge = totalCharge + clscharge[iPlane][iSlice];
- }
- TRDtrack.SetPIDTimBin(timebin[iPlane],iPlane);
+ if (fNoTilt) {
+ h01 = 0;
}
- // Still needed ????
- // Int_t i;
- // Int_t nc=TRDtrack.GetNumberOfClusters();
- // Float_t dedx=0;
- // for (i=0; i<nc; i++) dedx += TRDtrack.GetClusterdQdl(i);
- // dedx /= nc;
- // for (Int_t iPlane = 0; iPlane < kNPlane; iPlane++) {
- // TRDtrack.SetPIDsignals(dedx, iPlane);
- // TRDtrack.SetPIDTimBin(timbin[iPlane], iPlane);
- // }
+ return h01;
}
, AliTRDtracklet &tracklet)
{
//
- // Try to find nearest clusters to the track in timebins from t0 to t1
- //
- // correction coefficients
- // - depend on TRD parameters
- // - to be changed according it
- //
-
- Double_t x[100];
- Double_t yt[100];
- Double_t zt[100];
- Double_t xmean = 0.0; // Reference x
- Double_t dz[10][100];
- Double_t dy[10][100];
- Float_t zmean[100];
- Float_t nmean[100];
- Int_t clfound = 0;
- Int_t indexes[10][100]; // Indexes of the clusters in the road
- Int_t best[10][100]; // Index of best matching cluster
+ // Try to find the nearest clusters to the track in the time bins
+ // between <t0> and <t1>.
+ // Also the corresponding tracklet is calculated
+ // Correction coeficients - depend on TRD parameters - to be changed accordingly
+ //
+
+ const Int_t kN1 = 100;
+ const Int_t kN2 = 10;
+
+ Double_t x[kN1];
+ Double_t yt[kN1];
+ Double_t zt[kN1];
+ Float_t zmean[kN1];
+ Float_t nmean[kN1];
+
+ Double_t dz[kN2][kN1];
+ Double_t dy[kN2][kN1];
+ Int_t indexes[kN2][kN1]; // Indexes of the clusters in the road
+ Int_t best[kN2][kN1]; // Index of best matching cluster
+ AliTRDcluster *cl[kN2][kN1]; // Pointers to the clusters in the road
- AliTRDcluster *cl[10][100]; // Pointers to the clusters in the road
+ Double_t xmean = 0.0; // Reference x
+ Int_t clfound = 0;
- for (Int_t it = 0; it < 100; it++) {
+ // Initialize the arrays
+ for (Int_t it = 0; it < kN1; it++) {
x[it] = 0.0;
yt[it] = 0.0;
zmean[it] = 0.0;
nmean[it] = 0.0;
- for (Int_t ih = 0; ih < 10; ih++) {
- indexes[ih][it] = -2; // Reset indexes1
+ for (Int_t ih = 0; ih < kN2; ih++) {
+ indexes[ih][it] = -2;
cl[ih][it] = 0;
dz[ih][it] = -100.0;
dy[ih][it] = -100.0;
}
- AliTRDtrack track2(*track);
Double_t x0 = track->GetX();
Double_t sigmaz = TMath::Sqrt(TMath::Abs(track->GetSigmaZ2()));
Int_t nall = 0;
Int_t nfound = 0;
Double_t h01 = 0.0;
- Int_t plane = -1;
+ Int_t layer = -1;
Int_t detector = -1;
Float_t padlength = 0.0;
- Float_t snpy = track->GetSnp();
- Float_t tany = TMath::Sqrt(snpy*snpy / (1.0 - snpy*snpy));
+ AliTRDtrack track2(* track);
+ Float_t snpy = track->GetSnp();
+ Float_t tany = TMath::Sqrt(snpy*snpy / ((1.-snpy)*(1.+snpy)));
if (snpy < 0.0) {
tany *= -1.0;
}
- Double_t sy2 = ExpectedSigmaY2(x0,track->GetTgl(),track->GetPt());
+ Double_t sy2 = ExpectedSigmaY2(x0,track->GetTgl(),track->GetSignedPt());
Double_t sz2 = ExpectedSigmaZ2(x0,track->GetTgl());
Double_t road = 15.0 * TMath::Sqrt(track->GetSigmaY2() + sy2);
if (road > 6.0) {
for (Int_t it = 0; it < t1-t0; it++) {
Double_t maxChi2[2] = { fgkMaxChi2, fgkMaxChi2 };
- AliTRDpropagationLayer &timeBin= *(fTrSec[sector]->GetLayer(it+t0));
- if (timeBin == 0) continue; // No indexes1
+ AliTRDpropagationLayer &timeBin = *(fTrSec[sector]->GetLayer(it+t0));
+ if (timeBin == 0) {
+ continue; // No indexes1
+ }
- Int_t maxn = timeBin;
- x[it] = timeBin.GetX();
+ Int_t maxn = timeBin;
+ x[it] = timeBin.GetX();
track2.PropagateTo(x[it]);
- yt[it] = track2.GetY();
- zt[it] = track2.GetZ();
+ yt[it] = track2.GetY();
+ zt[it] = track2.GetZ();
Double_t y = yt[it];
Double_t z = zt[it];
//
// Find 2 nearest cluster at given time bin
//
- for (Int_t i = timeBin.Find(y-road); i < maxn; i++) {
+ Int_t checkPoint[4] = { 0, 0, 0, 0 };
+ Double_t minY = 123456789.0;
+ Double_t minD[2] = { 1.0, 1.0 };
+
+ for (Int_t i = timeBin.Find(y - road); i < maxn; i++) {
- AliTRDcluster *c= (AliTRDcluster *) (timeBin[i]);
+ AliTRDcluster *c = (AliTRDcluster *) (timeBin[i]);
h01 = GetTiltFactor(c);
- if (plane < 0) {
+ if (layer < 0) {
Int_t det = c->GetDetector();
- plane = fGeom->GetPlane(det);
+ layer = fGeom->GetLayer(det);
padlength = TMath::Sqrt(c->GetSigmaZ2() * 12.0);
}
- if (c->GetY() > y+road) break;
- if (((c->GetZ() - z) * (c->GetZ() - z)) > (12.0 * sz2)) continue;
+ if (c->GetY() > (y + road)) {
+ break;
+ }
+
+ fHDeltaX->Fill(c->GetX() - x[it]);
+
+ if (TMath::Abs(c->GetY()-y) < TMath::Abs(minY)) {
+ minY = c->GetY() - y;
+ minD[0] = c->GetY() - y;
+ minD[1] = c->GetZ() - z;
+ }
+
+ checkPoint[0]++;
+
+ fHMinZ->Fill(c->GetZ() - z);
+ if ((c->GetZ() - z) * (c->GetZ() - z) > 2 * (12.0 * sz2)) {
+ continue;
+ }
+ checkPoint[1]++;
Double_t dist = TMath::Abs(c->GetZ() - z);
- if (dist > (0.5 * padlength + 6.0 * sigmaz)) continue; // 6 sigma boundary cut
- Double_t cost = 0.0;
+ if (dist > (0.5 * padlength + 6.0 * sigmaz)) {
+ continue; // 6 sigma boundary cut
+ }
+ checkPoint[2]++;
+
// Sigma boundary cost function
- if (dist > (0.5 * padlength - sigmaz)) {
- cost = (dist - 0.5 * padlength) / (2.0 * sigmaz);
- if (cost > -1.0) {
+ Double_t cost = 0.0;
+ if (dist> (0.5 * padlength - sigmaz)){
+ cost = (dist - 0.5*padlength) / (2.0 * sigmaz);
+ if (cost > -1) {
cost = (cost + 1.0) * (cost + 1.0);
}
else {
cost = 0.0;
}
- }
- // Still needed ????
- //Int_t label = TMath::Abs(track->GetLabel());
- //if (c->GetLabel(0)!=label && c->GetLabel(1)!=label&&c->GetLabel(2)!=label) continue;
+ }
chi2 = track2.GetPredictedChi2(c,h01) + cost;
-
clfound++;
- if (chi2 > maxChi2[1]) continue;
- detector = c->GetDetector();
-
+
+ if (chi2 > maxChi2[1]) {
+ continue;
+ }
+ checkPoint[3]++;
+
// Store the clusters in the road
+ detector = c->GetDetector();
for (Int_t ih = 2; ih < 9; ih++) {
if (cl[ih][it] == 0) {
cl[ih][it] = c;
cl[1][it] = c;
indexes[1][it] = timeBin.GetIndex(i);
- }
+ }
+
+ for(int iCheckPoint = 0; iCheckPoint<4; iCheckPoint++) {
+ fHFindCl[iCheckPoint]->Fill(checkPoint[iCheckPoint]);
+ }
+
+ if (checkPoint[3]) {
+ if (track->GetSignedPt() > 0) {
+ fHMinYPos->Fill(minY);
+ }
+ else {
+ fHMinYNeg->Fill(minY);
+ }
+ fHMinD->Fill(minD[0],minD[1]);
+ }
if (cl[0][it]) {
nfound++;
}
- if (nfound < 4) return 0;
- xmean /= Float_t(nfound); // Middle x
- track2.PropagateTo(xmean); // Propagate track to the center
+ if (nfound < 4) {
+ return 0;
+ }
+ xmean /= Float_t(nfound); // Middle x
+ track2.PropagateTo(xmean); // Propagate track to the center
//
// Choose one of the variants
//
- Int_t changes[10];
- Float_t sumz = 0;
- Float_t sum = 0;
- Double_t sumdy = 0;
- Double_t sumdy2 = 0;
- Double_t sumx = 0;
- Double_t sumxy = 0;
- Double_t sumx2 = 0;
- Double_t mpads = 0;
+ Float_t sumz = 0.0;
+ Float_t sum = 0.0;
+ Double_t sumdy = 0.0;
+ Double_t sumdy2 = 0.0;
+ Double_t sumx = 0.0;
+ Double_t sumxy = 0.0;
+ Double_t sumx2 = 0.0;
+ Double_t mpads = 0.0;
- Int_t ngood[10];
- Int_t nbad[10];
+ Int_t changes[kN2];
- Double_t meanz[10];
- Double_t moffset[10]; // Mean offset
- Double_t mean[10]; // Mean value
- Double_t angle[10]; // Angle
+ Int_t ngood[kN2];
+ Int_t nbad[kN2];
- Double_t smoffset[10]; // Sigma of mean offset
- Double_t smean[10]; // Sigma of mean value
- Double_t sangle[10]; // Sigma of angle
- Double_t smeanangle[10]; // Correlation
+ Double_t meanz[kN2];
+ Double_t moffset[kN2]; // Mean offset
+ Double_t mean[kN2]; // Mean value
+ Double_t angle[kN2]; // Angle
- Double_t sigmas[10];
- Double_t tchi2s[10]; // Chi2s for tracklet
+ Double_t smoffset[kN2]; // Sigma of mean offset
+ Double_t smean[kN2]; // Sigma of mean value
+ Double_t sangle[kN2]; // Sigma of angle
+ Double_t smeanangle[kN2]; // Correlation
- for (Int_t it = 0; it < 10; it++) {
+ Double_t sigmas[kN2];
+ Double_t tchi2s[kN2]; // Chi2s for tracklet
+
+ for (Int_t it = 0; it < kN2; it++) {
ngood[it] = 0;
nbad[it] = 0;
meanz[it] = 0.0;
- moffset[it] = 0.0; // Mean offset
- mean[it] = 0.0; // Mean value
- angle[it] = 0.0; // Angle
+ moffset[it] = 0.0; // Mean offset
+ mean[it] = 0.0; // Mean value
+ angle[it] = 0.0; // Angle
- smoffset[it] = 1.0e10; // Sigma of mean offset
- smean[it] = 1.0e10; // Sigma of mean value
- sangle[it] = 1.0e10; // Sigma of angle
- smeanangle[it] = 0.0; // Correlation
+ smoffset[it] = 1.0e5; // Sigma of mean offset
+ smean[it] = 1.0e5; // Sigma of mean value
+ sangle[it] = 1.0e5; // Sigma of angle
+ smeanangle[it] = 0.0; // Correlation
- sigmas[it] = 1.0e10;
- tchi2s[it] = 1.0e10; // Chi2s for tracklet
+ sigmas[it] = 1.0e5;
+ tchi2s[it] = 1.0e5; // Chi2s for tracklet
}
//
// Calculate zmean
//
- for (Int_t it = 0; it < t1-t0; it++) {
-
- if (!cl[0][it]) continue;
-
+ for (Int_t it = 0; it < t1 - t0; it++) {
+ if (!cl[0][it]) {
+ continue;
+ }
for (Int_t dt = -3; dt <= 3; dt++) {
- if (it+dt < 0) continue;
- if (it+dt > t1-t0) continue;
- if (!cl[0][it+dt]) continue;
+ if (it+dt < 0) {
+ continue;
+ }
+ if (it+dt > t1-t0) {
+ continue;
+ }
+ if (!cl[0][it+dt]) {
+ continue;
+ }
zmean[it] += cl[0][it+dt]->GetZ();
nmean[it] += 1.0;
}
zmean[it] /= nmean[it];
-
}
- for (Int_t it = 0; it < t1-t0; it++) {
+ for (Int_t it = 0; it < t1 - t0; it++) {
best[0][it] = 0;
- for (Int_t ih = 0; ih < 10; ih++) {
+ for (Int_t ih = 0; ih < 10; ih++) {
dz[ih][it] = -100.0;
dy[ih][it] = -100.0;
- if (!cl[ih][it]) continue;
+ if (!cl[ih][it]) {
+ continue;
+ }
Double_t xcluster = cl[ih][it]->GetX();
Double_t ytrack;
Double_t ztrack;
- track2.GetProlongation(xcluster,ytrack,ztrack);
- dz[ih][it] = cl[ih][it]->GetZ() - ztrack; // Calculate z-distance from track
- dy[ih][it] = cl[ih][it]->GetY() + dz[ih][it]*h01 - ytrack; // Calculate y-distance from track
-
+ track2.GetProlongation(xcluster,ytrack,ztrack );
+ dz[ih][it] = cl[ih][it]->GetZ()- ztrack; // Calculate distance from track in z
+ dy[ih][it] = cl[ih][it]->GetY() + dz[ih][it]*h01 - ytrack; // and in y
}
// Minimize changes
- if (!cl[0][it]) continue;
- if ((TMath::Abs(cl[0][it]->GetZ() - zmean[it]) > padlength * 0.8) &&
+ if (!cl[0][it]) {
+ continue;
+ }
+ if ((TMath::Abs(cl[0][it]->GetZ()-zmean[it]) > padlength * 0.8) &&
(cl[1][it])) {
- if (TMath::Abs(cl[1][it]->GetZ() - zmean[it]) < padlength * 0.5) {
+ if (TMath::Abs(cl[1][it]->GetZ()-zmean[it]) < padlength * 0.5) {
best[0][it] = 1;
}
}
+
}
//
nbad[iter] = 0;
// Linear fit
- for (Int_t it = 0; it < t1-t0; it++) {
+ for (Int_t it = 0; it < t1 - t0; it++) {
- if (!cl[best[iter][it]][it]) continue;
+ if (!cl[best[iter][it]][it]) {
+ continue;
+ }
// Calculates pad-row changes
Double_t zbefore = cl[best[iter][it]][it]->GetZ();
Double_t zafter = cl[best[iter][it]][it]->GetZ();
- for (Int_t itd = it-1; itd >= 0; itd--) {
+ for (Int_t itd = it - 1; itd >= 0; itd--) {
if (cl[best[iter][itd]][itd]) {
zbefore = cl[best[iter][itd]][itd]->GetZ();
break;
}
}
- for (Int_t itd = it+1; itd < t1-t0; itd++) {
+ for (Int_t itd = it + 1; itd < t1 - t0; itd++) {
if (cl[best[iter][itd]][itd]) {
zafter = cl[best[iter][itd]][itd]->GetZ();
break;
}
}
- if ((TMath::Abs(cl[best[iter][it]][it]->GetZ() - zbefore) > 0.1) &&
- (TMath::Abs(cl[best[iter][it]][it]->GetZ() - zafter) > 0.1)) {
+ if ((TMath::Abs(cl[best[iter][it]][it]->GetZ()-zbefore) > 0.1) &&
+ (TMath::Abs(cl[best[iter][it]][it]->GetZ()- zafter) > 0.1)) {
changes[iter]++;
}
// Distance to reference x
- Double_t dx = x[it]-xmean;
+ Double_t dx = x[it]-xmean;
sumz += cl[best[iter][it]][it]->GetZ();
sum++;
sumdy += dy[best[iter][it]][it];
sumxy += dx*dy[best[iter][it]][it];
mpads += cl[best[iter][it]][it]->GetNPads();
if ((cl[best[iter][it]][it]->GetLabel(0) == label) ||
- (cl[best[iter][it]][it]->GetLabel(1) == label) ||
+ (cl[best[iter][it]][it]->GetLabel(1) == label) ||
(cl[best[iter][it]][it]->GetLabel(2) == label)) {
ngood[iter]++;
}
//
// Calculates line parameters
//
- Double_t det = sum * sumx2 - sumx * sumx;
- angle[iter] = (sum * sumxy - sumx * sumdy) / det;
- mean[iter] = (sumx2 * sumdy - sumx * sumxy) / det;
+ Double_t det = sum*sumx2 - sumx*sumx;
+ angle[iter] = (sum*sumxy - sumx*sumdy) / det;
+ mean[iter] = (sumx2*sumdy - sumx*sumxy) / det;
meanz[iter] = sumz / sum;
moffset[iter] = sumdy / sum;
mpads /= sum; // Mean number of pads
Double_t sigma2 = 0.0; // Normalized residuals - for line fit
Double_t sigma1 = 0.0; // Normalized residuals - constant fit
- for (Int_t it = 0; it < t1-t0; it++) {
- if (!cl[best[iter][it]][it]) continue;
+ for (Int_t it = 0; it < t1 - t0; it++) {
+ if (!cl[best[iter][it]][it]) {
+ continue;
+ }
Double_t dx = x[it] - xmean;
Double_t ytr = mean[iter] + angle[iter] * dx;
sigma2 += (dy[best[iter][it]][it] - ytr)
* (dy[best[iter][it]][it] - ytr);
- sigma1 += (dy[best[iter][it]][it] - moffset[iter])
+ sigma1 += (dy[best[iter][it]][it] - moffset[iter])
* (dy[best[iter][it]][it] - moffset[iter]);
sum++;
}
-
- sigma2 /= (sum - 2.0); // Normalized residuals
- sigma1 /= (sum - 1.0); // Normalized residuals
-
- smean[iter] = sigma2 * (sumx2/det); // Estimated error2 of mean
- sangle[iter] = sigma2 * ( sum/det); // Estimated error2 of angle
- smeanangle[iter] = sigma2 * (-sumx/det); // Correlation
-
- sigmas[iter] = TMath::Sqrt(sigma1);
- smoffset[iter] = (sigma1 / sum) + 0.01*0.01; // Sigma of mean offset + unisochronity sigma
+ sigma2 /= (sum - 2); // Normalized residuals
+ sigma1 /= (sum - 1); // Normalized residuals
+ smean[iter] = sigma2 * (sumx2 / det); // Estimated error2 of mean
+ sangle[iter] = sigma2 * ( sum / det); // Estimated error2 of angle
+ smeanangle[iter] = sigma2 * (-sumx / det); // Correlation
+ sigmas[iter] = TMath::Sqrt(sigma1);
+ smoffset[iter] = (sigma1 / sum) + 0.01*0.01; // Sigma of mean offset + unisochronity sigma
//
- // Iterative Choice of "better path"
+ // Iterative choice of "better path"
//
- for (Int_t it = 0; it < t1-t0; it++) {
+ for (Int_t it = 0; it < t1 - t0; it++) {
- if (!cl[best[iter][it]][it]) continue;
+ if (!cl[best[iter][it]][it]) {
+ continue;
+ }
// Add unisochronity + angular effect contribution
- Double_t sigmatr2 = smoffset[iter] + 0.5*tany*tany;
- Double_t sweight = 1.0 / sigmatr2 + 1.0 / track->GetSigmaY2();
- Double_t weighty = (moffset[iter] / sigmatr2) / sweight; // Weighted mean
+ Double_t sigmatr2 = smoffset[iter] + 0.5*tany*tany;
+ Double_t sweight = 1.0/sigmatr2 + 1.0/track->GetSigmaY2();
+ Double_t weighty = (moffset[iter] / sigmatr2) / sweight; // Weighted mean
Double_t sigmacl = TMath::Sqrt(sigma1*sigma1 + track->GetSigmaY2());
Double_t mindist = 100000.0;
Int_t ihbest = 0;
- for (Int_t ih = 0; ih < 10; ih++) {
- if (!cl[ih][it]) break;
- Double_t dist2 = (dy[ih][it] - weighty) / sigmacl;
- dist2 *= dist2; // Chi2 distance
+
+ for (Int_t ih = 0; ih < kN2; ih++) {
+ if (!cl[ih][it]) {
+ break;
+ }
+ Double_t dist2 = (dy[ih][it] - weighty) / sigmacl;
+ dist2 *= dist2; // Chi2 distance
if (dist2 < mindist) {
mindist = dist2;
ihbest = ih;
}
}
+
best[iter+1][it] = ihbest;
}
//
// Update best hypothesy if better chi2 according tracklet position and angle
//
- Double_t sy2 = smean[iter] + track->GetSigmaY2();
- Double_t sa2 = sangle[iter] + track->fCee;
- Double_t say = track->fCey;
- //Double_t chi20 = mean[bestiter]*mean[bestiter]/sy2+angle[bestiter]*angle[bestiter]/sa2;
- //Double_t chi21 = mean[iter]*mean[iter]/sy2+angle[iter]*angle[iter]/sa2;
-
- Double_t detchi = sy2*sa2 - say*say;
- // Inverse value of covariance matrix
- Double_t invers[3] = { sa2/detchi, sy2/detchi, -say/detchi};
+ sy2 = smean[iter] + track->GetSigmaY2();
+ Double_t sa2 = sangle[iter] + track->GetSigmaSnp2(); // track->fCee;
+ Double_t say = track->GetSigmaSnpY(); // track->fCey;
+
+ Double_t detchi = sy2*sa2 - say*say;
+ Double_t invers[3] = {sa2/detchi,sy2/detchi,-say/detchi}; // Inverse value of covariance matrix
- Double_t chi20 = mean[bestiter]*mean[bestiter] * invers[0]
- + angle[bestiter]*angle[bestiter] * invers[1]
- + 2.0 * mean[bestiter]*angle[bestiter] * invers[2];
- Double_t chi21 = mean[iter]*mean[iter] * invers[0]
- + angle[iter]*angle[iter] * invers[1]
- + 2.0 * mean[iter]*angle[iter] * invers[2];
- tchi2s[iter] = chi21;
+ Double_t chi20 = mean[bestiter] * mean[bestiter] * invers[0]
+ + angle[bestiter] * angle[bestiter] * invers[1]
+ + 2.0 * mean[bestiter] * angle[bestiter] * invers[2];
+ Double_t chi21 = mean[iter] * mean[iter] * invers[0]
+ + angle[iter] * angle[iter] * invers[1]
+ + 2.0 * mean[iter] * angle[iter] * invers[2];
+ tchi2s[iter] = chi21;
if ((changes[iter] <= changes[bestiter]) &&
- (chi21 < chi20)) {
- bestiter = iter;
+ (chi21 < chi20)) {
+ bestiter = iter;
}
}
//
// Set clusters
//
- Double_t sigma2 = sigmas[0]; // Choose as sigma from 0 iteration
+ Double_t sigma2 = sigmas[0]; // Choose as sigma from 0 iteration
Short_t maxpos = -1;
Float_t maxcharge = 0.0;
Short_t maxpos4 = -1;
Short_t maxpos5 = -1;
Float_t maxcharge5 = 0.0;
- //if (tchi2s[bestiter]>25.) sigma2*=tchi2s[bestiter]/25.;
- //if (tchi2s[bestiter]>25.) sigma2=1000.; // dont'accept
-
- Double_t vD = AliTRDcalibDB::Instance()->GetVdrift(0,0,0);
- Double_t exB = AliTRDcalibDB::Instance()->GetOmegaTau(vD);
+ Double_t exB = AliTRDCommonParam::Instance()->GetOmegaTau(AliTRDcalibDB::Instance()->GetVdrift(0,0,0));
Double_t expectederr = sigma2*sigma2 + 0.01*0.01;
if (mpads > 3.5) {
- expectederr += (mpads - 3.5) * 0.04;
+ expectederr += (mpads - 3.5) * 0.04;
}
if (changes[bestiter] > 1) {
- expectederr += changes[bestiter] * 0.01;
+ expectederr += changes[bestiter] * 0.01;
}
expectederr += (0.03 * (tany-exB)*(tany-exB)) * 15.0;
- //if (tchi2s[bestiter]>18.) expectederr*= tchi2s[bestiter]/18.;
- //expectederr+=10000;
- for (Int_t it = 0; it < t1-t0; it++) {
+ for (Int_t it = 0; it < t1 - t0; it++) {
+
+ if (!cl[best[bestiter][it]][it]) {
+ continue;
+ }
- if (!cl[best[bestiter][it]][it]) continue;
// Set cluster error
- cl[best[bestiter][it]][it]->SetSigmaY2(expectederr);
+ ((AliCluster*)cl[best[bestiter][it]][it])->SetSigmaY2(expectederr);
if (!cl[best[bestiter][it]][it]->IsUsed()) {
cl[best[bestiter][it]][it]->SetY(cl[best[bestiter][it]][it]->GetY());
- //cl[best[bestiter][it]][it]->Use();
}
// Time bins with maximal charge
- if (TMath::Abs(cl[best[bestiter][it]][it]->GetQ()) > maxcharge ) {
+ if (TMath::Abs(cl[best[bestiter][it]][it]->GetQ()) > maxcharge) {
maxcharge = TMath::Abs(cl[best[bestiter][it]][it]->GetQ());
maxpos = cl[best[bestiter][it]][it]->GetLocalTimeBin();
}
+
if (TMath::Abs(cl[best[bestiter][it]][it]->GetQ()) > maxcharge4) {
if (cl[best[bestiter][it]][it]->GetLocalTimeBin() >= 4) {
maxcharge4 = TMath::Abs(cl[best[bestiter][it]][it]->GetQ());
maxpos4 = cl[best[bestiter][it]][it]->GetLocalTimeBin();
}
}
+
if (TMath::Abs(cl[best[bestiter][it]][it]->GetQ()) > maxcharge5) {
if (cl[best[bestiter][it]][it]->GetLocalTimeBin() >= 5) {
maxcharge5 = TMath::Abs(cl[best[bestiter][it]][it]->GetQ());
maxpos5 = cl[best[bestiter][it]][it]->GetLocalTimeBin();
}
}
-
+
// Time bins with maximal charge
- if (TMath::Abs(cl[best[bestiter][it]][it]->GetQ()) > maxcharge ) {
+ if (TMath::Abs(cl[best[bestiter][it]][it]->GetQ()) > maxcharge) {
maxcharge = TMath::Abs(cl[best[bestiter][it]][it]->GetQ());
maxpos = cl[best[bestiter][it]][it]->GetLocalTimeBin();
}
+
if (TMath::Abs(cl[best[bestiter][it]][it]->GetQ()) > maxcharge4) {
if (cl[best[bestiter][it]][it]->GetLocalTimeBin() >= 4) {
maxcharge4 = TMath::Abs(cl[best[bestiter][it]][it]->GetQ());
maxpos4 = cl[best[bestiter][it]][it]->GetLocalTimeBin();
}
}
+
if (TMath::Abs(cl[best[bestiter][it]][it]->GetQ()) > maxcharge5) {
if (cl[best[bestiter][it]][it]->GetLocalTimeBin() >= 5) {
maxcharge5 = TMath::Abs(cl[best[bestiter][it]][it]->GetQ());
}
- //
// Set tracklet parameters
- //
Double_t trackleterr2 = smoffset[bestiter] + 0.01*0.01;
if (mpads > 3.5) {
trackleterr2 += (mpads - 3.5) * 0.04;
trackleterr2 += 0.2 * (tany-exB)*(tany-exB);
tracklet.Set(xmean
- ,track2.GetY()+moffset[bestiter]
+ ,track2.GetY() + moffset[bestiter]
,meanz[bestiter]
,track2.GetAlpha()
- ,trackleterr2);
+ ,trackleterr2);
tracklet.SetTilt(h01);
tracklet.SetP0(mean[bestiter]);
tracklet.SetP1(angle[bestiter]);
tracklet.SetN(nfound);
tracklet.SetNCross(changes[bestiter]);
- tracklet.SetPlane(plane);
+ tracklet.SetPlane(layer);
tracklet.SetSigma2(expectederr);
tracklet.SetChi2(tchi2s[bestiter]);
tracklet.SetMaxPos(maxpos,maxpos4,maxpos5);
- track->fTracklets[plane] = tracklet;
- track->fNWrong += nbad[0];
+ track->SetTracklets(layer,tracklet);
+ track->SetNWrong(track->GetNWrong() + nbad[0]);
//
// Debuging part
Double_t dy0[100];
Double_t dyb[100];
- for (Int_t it = 0; it < t1-t0; it++) {
-
+ for (Int_t it = 0; it < t1 - t0; it++) {
dy0[it] = dy[0][it];
dyb[it] = dy[best[bestiter][it]][it];
- if(cl[0][it]) {
+ if (cl[0][it]) {
new(array0[it]) AliTRDcluster(*cl[0][it]);
}
- else{
+ else {
new(array0[it]) AliTRDcluster(dummy);
}
if(cl[best[bestiter][it]][it]) {
else{
new(array1[it]) AliTRDcluster(dummy);
}
-
}
TGraph graph0(t1-t0,x,dy0);
TGraph graphy(t1-t0,x,yt);
TGraph graphz(t1-t0,x,zt);
- if (AliTRDReconstructor::StreamLevel() > 0) {
+ if (fReconstructor->GetRecoParam()->GetStreamLevel(AliTRDrecoParam::kTracker) > 0) {
cstream << "tracklet"
<< "track.=" << track // Track parameters
<< "tany=" << tany // Tangent of the local track angle
- << "xmean=" << xmean // xmean - reference x of tracklet
+ << "xmean=" << xmean // Xmean - reference x of tracklet
<< "tilt=" << h01 // Tilt angle
<< "nall=" << nall // Number of foundable clusters
<< "nfound=" << nfound // Number of found clusters
<< "clfound=" << clfound // Total number of found clusters in road
<< "mpads=" << mpads // Mean number of pads per cluster
- << "plane=" << plane // Plane number
+ << "layer=" << layer // Layer number
<< "detector=" << detector // Detector number
<< "road=" << road // The width of the used road
<< "graph0.=" << &graph0 // x - y = dy for closest cluster
<< "graph1.=" << &graph1 // x - y = dy for second closest cluster
<< "graphy.=" << &graphy // y position of the track
<< "graphz.=" << &graphz // z position of the track
- //<< "fCl.=" << &array0 // Closest cluster
- //<< "fCl2.=" << &array1 // Second closest cluster
+ //<< "fCl.=" << &array0 // closest cluster
+ //<< "fCl2.=" << &array1 // second closest cluster
<< "maxpos=" << maxpos // Maximal charge postion
<< "maxcharge=" << maxcharge // Maximal charge
<< "maxpos4=" << maxpos4 // Maximal charge postion - after bin 4
<< "sigmasb=" << sigmas[bestiter] // Residulas sigma
<< "ngood0=" << ngood[0] // Number of good clusters in 0 iteration
<< "nbad0=" << nbad[0] // Number of bad clusters in 0 iteration
- << "ngoodb=" << ngood[bestiter] // Number of bad clusters in best iteration
- << "nbadb=" << nbad[bestiter] // Number of good clusters in best iteration
+ << "ngoodb=" << ngood[bestiter] // in best iteration
+ << "nbadb=" << nbad[bestiter] // in best iteration
<< "changes0=" << changes[0] // Changes of pardrows in iteration number 0
<< "changesb=" << changes[bestiter] // Changes of pardrows in best iteration
<< "moffset0=" << moffset[0] // Offset fixing angle in iter=0
<< "meanb=" << mean[bestiter] // Mean dy in iter=best
<< "smeanb=" << smean[bestiter] // Sigma of mean dy in iter=best
<< "angle0=" << angle[0] // Angle deviation in the iteration number 0
- << "sangle0=" << sangle[0] // Sigma of angular deviation in iter=0
+ << "sangle0=" << sangle[0] // Sigma of angular deviation in iteration number 0
<< "angleb=" << angle[bestiter] // Angle deviation in the best iteration
- << "sangleb=" << sangle[bestiter] // Sigma of angle deviation in the best iteration
+ << "sangleb=" << sangle[bestiter] // Sigma of angle deviation in the best iteration
<< "expectederr=" << expectederr // Expected error of cluster position
<< "\n";
}
, Int_t *outlist, Bool_t down)
{
//
- // Sort eleements according occurancy
- // The size of output array has is 2*n
+ // Sort eleements according occurancy
+ // The size of output array has is 2*n
//
- Int_t *sindexS = new Int_t[n]; // Temp array for sorting
+ if (n <= 0) {
+ return 0;
+ }
+
+ Int_t *sindexS = new Int_t[n]; // Temporary array for sorting
Int_t *sindexF = new Int_t[2*n];
for (Int_t i = 0; i < n; i++) {
sindexF[i] = 0;
}
- TMath::Sort(n,inlist,sindexS,down);
+ TMath::Sort(n,inlist,sindexS,down);
+
Int_t last = inlist[sindexS[0]];
Int_t val = last;
sindexF[0] = 1;
last = val;
}
}
- if (last == val) countPos++;
+ if (last == val) {
+ countPos++;
+ }
// Sort according frequency
TMath::Sort(countPos,sindexF,sindexS,kTRUE);
+
for (Int_t i = 0; i < countPos; i++) {
outlist[2*i ] = sindexF[sindexS[i]+n];
outlist[2*i+1] = sindexF[sindexS[i]];
}
//_____________________________________________________________________________
-AliTRDtrack *AliTRDtracker::RegisterSeed(AliTRDseed *seeds, Double_t *params)
+AliTRDtrack *AliTRDtracker::RegisterSeed(AliTRDseed * const 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 !!
//
- Double_t alpha = AliTRDgeometry::GetAlpha();
- Double_t shift = AliTRDgeometry::GetAlpha() / 2.0;
+ AliTRDcalibDB *cal = AliTRDcalibDB::Instance();
+ Int_t nTimeBins = cal->GetNumberOfTimeBinsDCS();
+
+ Double_t alpha = AliTRDgeometry::GetAlpha();
+ Double_t shift = AliTRDgeometry::GetAlpha()/2.0;
Double_t c[15];
+
c[ 0] = 0.2;
c[ 1] = 0.0; c[ 2] = 2.0;
c[ 3] = 0.0; c[ 4] = 0.0; c[ 5] = 0.02;
c[ 6] = 0.0; c[ 7] = 0.0; c[ 8] = 0.0; c[ 9] = 0.1;
c[10] = 0.0; c[11] = 0.0; c[12] = 0.0; c[13] = 0.0; c[14] = params[5]*params[5]*0.01;
- Int_t index = 0;
- AliTRDcluster *cl = 0;
+ Int_t index = 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].fIndexes[itime] > 0) {
- index = seeds[ilayer].fIndexes[itime];
- cl = seeds[ilayer].fClusters[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) break;
+ if (index > 0) {
+ break;
+ }
+ }
+ if (cl == 0) {
+ return 0;
}
- if (cl == 0) return 0;
AliTRDtrack *track = new AliTRDtrack(cl
,index
,c
,params[0]
,params[6]*alpha+shift);
- track->PropagateTo(params[0]-5.0);
+ // SetCluster(cl, 0); // A. Bercuci
+ track->PropagateTo(params[0]-5.0);
track->ResetCovariance(1);
Int_t rc = FollowBackProlongation(*track);
}
else {
track->CookdEdx();
- CookdEdxTimBin(*track);
+ track->CookdEdxTimBin(-1);
CookLabel(track,0.9);
}
return track;
}
+
+//_____________________________________________________________________________
+void AliTRDtracker::InitLogHists()
+{
+ //
+ // Create the log histograms
+ //
+
+ fHBackfit = new TH1D("logTRD_backfit" ,""
+ , 40,-0.5, 39.5);
+ fHRefit = new TH1D("logTRD_refit" ,""
+ , 40,-0.5, 39.5);
+ fHClSearch = new TH1D("logTRD_clSearch",""
+ , 60,-0.5, 59.5);
+
+ fHX = new TH1D("logTRD_X" ,";x (cm)"
+ , 200, 50, 400);
+ fHNCl = new TH1D("logTRD_ncl" ,""
+ , 40,-0.5, 39.5);
+ fHNClTrack = new TH1D("logTRD_nclTrack",""
+ , 180,-0.5,179.5);
+
+ fHMinYPos = new TH1D("logTRD_minYPos" ,";#delta Y (cm)"
+ , 400, -6, 6);
+ fHMinYNeg = new TH1D("logTRD_minYNeg" ,";#delta Y (cm)"
+ , 400, -6, 6);
+ fHMinZ = new TH1D("logTRD_minZ" ,";#delta Z (cm)"
+ , 400, -20, 20);
+ fHMinD = new TH2D("logTRD_minD" ,";#delta Y (cm);#delta Z (cm)"
+ , 100, -6, 6
+ , 100, -50, 50);
+
+ fHDeltaX = new TH1D("logTRD_deltaX" ,";#delta X (cm)"
+ , 100, -5, 5);
+ fHXCl = new TH1D("logTRD_xCl" ,";cluster x position (cm)"
+ ,1000, 280, 380);
+
+ const Char_t *nameFindCl[4] = { "logTRD_clY"
+ , "logTRD_clZ"
+ , "logTRD_clB"
+ , "logTRD_clG" };
+
+ for (Int_t i = 0; i < 4; i++) {
+ fHFindCl[i] = new TH1D(nameFindCl[i],"",30,-0.5,29.5);
+ }
+
+}
+
+//_____________________________________________________________________________
+void AliTRDtracker::SaveLogHists()
+{
+ //
+ // Save the log histograms in AliESDs.root
+ //
+
+ TDirectory *sav = gDirectory;
+ TFile *logFile = 0;
+
+ TSeqCollection *col = gROOT->GetListOfFiles();
+ Int_t nn = col->GetEntries();
+ for (Int_t i = 0; i < nn; i++) {
+ logFile = (TFile *) col->At(i);
+ if (strstr(logFile->GetName(),"AliESDs.root")) {
+ break;
+ }
+ }
+
+ logFile->cd();
+
+ fHBackfit->Write(fHBackfit->GetName(),TObject::kOverwrite);
+ fHRefit->Write(fHRefit->GetName(),TObject::kOverwrite);
+ fHClSearch->Write(fHClSearch->GetName(),TObject::kOverwrite);
+ fHX->Write(fHX->GetName(),TObject::kOverwrite);
+ fHNCl->Write(fHNCl->GetName(),TObject::kOverwrite);
+ fHNClTrack->Write(fHNClTrack->GetName(),TObject::kOverwrite);
+
+ fHMinYPos->Write(fHMinYPos->GetName(),TObject::kOverwrite);
+ fHMinYNeg->Write(fHMinYNeg->GetName(),TObject::kOverwrite);
+ fHMinD->Write(fHMinD->GetName(),TObject::kOverwrite);
+ fHMinZ->Write(fHMinZ->GetName(),TObject::kOverwrite);
+
+ fHDeltaX->Write(fHDeltaX->GetName(),TObject::kOverwrite);
+ fHXCl->Write(fHXCl->GetName(),TObject::kOverwrite);
+
+ for (Int_t i = 0; i < 4; i++) {
+ fHFindCl[i]->Write(fHFindCl[i]->GetName(),TObject::kOverwrite);
+ }
+
+ logFile->Flush();
+
+ sav->cd();
+
+}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff