]> git.uio.no Git - u/mrichter/AliRoot.git/blobdiff - TOF/AliTOFtracker.cxx
bugfix: corrected calculation of slice and partition from track point Id
[u/mrichter/AliRoot.git] / TOF / AliTOFtracker.cxx
index ab86a1ce5e80aa0ec5da2fc94e3f30222af8e9eb..812dbe6b09fdd7791309b1470ddb72c4d53870c5 100644 (file)
@@ -31,6 +31,7 @@
 
 #include <TSeqCollection.h>
 #include <TClonesArray.h>
+#include <TObjArray.h>
 #include <TGeoManager.h>
 #include <TTree.h>
 #include <TFile.h>
 #include "AliGeomManager.h"
 #include "AliESDtrack.h"
 #include "AliESDEvent.h"
+#include "AliESDpid.h"
 #include "AliLog.h"
 #include "AliTrackPointArray.h"
 #include "AliCDBManager.h"
 
-#include "AliTOFpidESD.h"
+//#include "AliTOFpidESD.h"
 #include "AliTOFRecoParam.h"
 #include "AliTOFReconstructor.h"
 #include "AliTOFcluster.h"
 extern TGeoManager *gGeoManager;
 extern TROOT *gROOT;
 
+
 ClassImp(AliTOFtracker)
 
 //_____________________________________________________________________________
 AliTOFtracker::AliTOFtracker():
-  fRecoParam(0x0),
+  fkRecoParam(0x0),
   fGeom(0x0),
-  fPid(0x0),
   fN(0),
   fNseeds(0),
   fNseedsTOF(0),
@@ -69,7 +71,8 @@ AliTOFtracker::AliTOFtracker():
   fnunmatch(0),
   fnmatch(0),
   fTracks(new TClonesArray("AliTOFtrack")),
-  fSeeds(new TClonesArray("AliESDtrack")),
+  fSeeds(new TObjArray(100)),
+  fTOFtrackPoints(new TObjArray(10)),
   fHDigClusMap(0x0),
   fHDigNClus(0x0),
   fHDigClusTime(0x0),
@@ -87,13 +90,15 @@ AliTOFtracker::AliTOFtracker():
   fExpTimePi(-1.),
   fExpTimeKa(-1.),
   fExpTimePr(-1.)
- { 
+{
   //AliTOFtracker main Ctor
-   
-   // Gettimg the geometry 
-   fGeom= new AliTOFGeometry();
 
-   InitCheckHists();
+  for (Int_t ii=0; ii<kMaxCluster; ii++) fClusters[ii]=0x0;
+
+  // Getting the geometry
+  fGeom = new AliTOFGeometry();
+
+  InitCheckHists();
 
 }
 //_____________________________________________________________________________
@@ -105,10 +110,9 @@ AliTOFtracker::~AliTOFtracker() {
   SaveCheckHists();
 
   if(!(AliCDBManager::Instance()->GetCacheFlag())){
-    delete fRecoParam;
+    delete fkRecoParam;
   }
   delete fGeom; 
-  delete fPid; 
   delete fHDigClusMap;
   delete fHDigNClus;
   delete fHDigClusTime;
@@ -130,31 +134,43 @@ AliTOFtracker::~AliTOFtracker() {
     delete fSeeds;
     fSeeds=0x0;
   }
+  if (fTOFtrackPoints){
+    fTOFtrackPoints->Delete();
+    delete fTOFtrackPoints;
+    fTOFtrackPoints=0x0;
+  }
+
+  for (Int_t ii=0; ii<kMaxCluster; ii++)
+    if (fClusters[ii]) fClusters[ii]->Delete();
 
 }
 //_____________________________________________________________________________
-Int_t AliTOFtracker::PropagateBack(AliESDEvent* event) {
+void AliTOFtracker::GetPidSettings(AliESDpid *esdPID) {
+  // 
+  // Sets TOF resolution from RecoParams
+  //
+  if (fkRecoParam)
+    esdPID->GetTOFResponse().SetTimeResolution(fkRecoParam->GetTimeResolution());
+  else
+    AliWarning("fkRecoParam not yet set; cannot set PID settings");
+} 
+//_____________________________________________________________________________
+Int_t AliTOFtracker::PropagateBack(AliESDEvent * const event) {
   //
   // Gets seeds from ESD event and Match with TOF Clusters
   //
 
   // initialize RecoParam for current event
+  AliDebug(1,"Initializing params for TOF");
 
-  AliInfo("Initializing params for TOF... ");
-
-  fRecoParam = AliTOFReconstructor::GetRecoParam();  // instantiate reco param from STEER...
+  fkRecoParam = AliTOFReconstructor::GetRecoParam();  // instantiate reco param from STEER...
 
-  if (fRecoParam == 0x0) { 
+  if (fkRecoParam == 0x0) { 
     AliFatal("No Reco Param found for TOF!!!");
   }
-  //fRecoParam->Dump();
-  //if(fRecoParam->GetApplyPbPbCuts())fRecoParam=fRecoParam->GetPbPbparam();
-  //fRecoParam->PrintParameters();
-
-  Double_t parPID[2];   
-  parPID[0]=fRecoParam->GetTimeResolution();
-  parPID[1]=fRecoParam->GetTimeNSigma();
-  fPid=new AliTOFpidESD(parPID);
+  //fkRecoParam->Dump();
+  //if(fkRecoParam->GetApplyPbPbCuts())fkRecoParam=fkRecoParam->GetPbPbparam();
+  //fkRecoParam->PrintParameters();
 
   //Initialise some counters
 
@@ -167,15 +183,11 @@ Int_t AliTOFtracker::PropagateBack(AliESDEvent* event) {
 
   Int_t ntrk=event->GetNumberOfTracks();
   fNseeds = ntrk;
-  TClonesArray &aESDTrack = *fSeeds;
 
 
   //Load ESD tracks into a local Array of ESD Seeds
-
-  for (Int_t i=0; i<fNseeds; i++) {
-    AliESDtrack *t=event->GetTrack(i);
-    new(aESDTrack[i]) AliESDtrack(*t);
-  }
+  for (Int_t i=0; i<fNseeds; i++)
+    fSeeds->AddLast(event->GetTrack(i));
 
   //Prepare ESD tracks candidates for TOF Matching
   CollectESD();
@@ -186,15 +198,13 @@ Int_t AliTOFtracker::PropagateBack(AliESDEvent* event) {
   //Second Step with Looser Matching Criterion
   MatchTracks(kTRUE);
 
-  AliInfo(Form("Number of matched tracks: %d",fnmatch));
-  AliInfo(Form("Number of good matched tracks: %d",fngoodmatch));
-  AliInfo(Form("Number of bad  matched tracks: %d",fnbadmatch));
+  AliInfo(Form("Number of matched tracks = %d (good = %d, bad = %d)",fnmatch,fngoodmatch,fnbadmatch));
 
   //Update the matched ESD tracks
 
   for (Int_t i=0; i<ntrk; i++) {
     AliESDtrack *t=event->GetTrack(i);
-    AliESDtrack *seed =(AliESDtrack*)fSeeds->UncheckedAt(i);
+    AliESDtrack *seed =(AliESDtrack*)fSeeds->At(i);
 
     if ( (seed->GetStatus()&AliESDtrack::kTOFin)!=0 ) {
       t->SetStatus(AliESDtrack::kTOFin);
@@ -207,20 +217,90 @@ Int_t AliTOFtracker::PropagateBack(AliESDEvent* event) {
        t->SetTOFsignalRaw(seed->GetTOFsignalRaw());
        t->SetTOFsignalDz(seed->GetTOFsignalDz());
        t->SetTOFsignalDx(seed->GetTOFsignalDx());
+       t->SetTOFDeltaBC(seed->GetTOFDeltaBC());
+       t->SetTOFL0L1(seed->GetTOFL0L1());
        t->SetTOFCalChannel(seed->GetTOFCalChannel());
        Int_t tlab[3]; seed->GetTOFLabel(tlab);    
        t->SetTOFLabel(tlab);
 
-       Float_t info[10]={0.,0.,0.,0.,0.,0.,0.,0.,0.,0.};
-       seed->GetTOFInfo(info);
+       Double_t alphaA = (Double_t)t->GetAlpha();
+       Double_t xA = (Double_t)t->GetX();
+       Double_t yA = (Double_t)t->GetY();
+       Double_t zA = (Double_t)t->GetZ();
+       Double_t p1A = (Double_t)t->GetSnp();
+       Double_t p2A = (Double_t)t->GetTgl();
+       Double_t p3A = (Double_t)t->GetSigned1Pt();
+       const Double_t *covA = (Double_t*)t->GetCovariance();
+
+       // Make attention, please:
+       //      AliESDtrack::fTOFInfo array does not be stored in the AliESDs.root file
+       //      it is there only for a check during the reconstruction step.
+       Float_t info[10]; seed->GetTOFInfo(info);
        t->SetTOFInfo(info);
-       AliDebug(2,Form(" distance=%f; residual in the pad reference frame: dX=%f, dZ=%f", info[0],info[1],info[2]));
-
-       AliTOFtrack *track = new AliTOFtrack(*seed);
-       t->UpdateTrackParams(track,AliESDtrack::kTOFout); // to be checked - AdC
-       delete track;
-       Double_t time[10]; t->GetIntegratedTimes(time);
-       AliDebug(2,Form(" %6d  %f %f %f %f %f %6d %3d %f  %f %f %f %f %f",
+       AliDebug(3,Form(" distance=%f; residual in the pad reference frame: dX=%f, dZ=%f", info[0],info[1],info[2]));
+
+       // Check done:
+       //       by calling the AliESDtrack::UpdateTrackParams,
+       //       the current track parameters are changed
+       //       and it could cause refit problems.
+       //       We need to update only the following track parameters:
+        //            the track length and expected times.
+       //       Removed AliESDtrack::UpdateTrackParams call
+       //       Called AliESDtrack::SetIntegratedTimes(...) and
+       //       AliESDtrack::SetIntegratedLength() routines.
+       /*
+         AliTOFtrack *track = new AliTOFtrack(*seed);
+         t->UpdateTrackParams(track,AliESDtrack::kTOFout); // to be checked - AdC
+         delete track;
+         Double_t time[10]; t->GetIntegratedTimes(time);
+       */
+
+       Double_t time[10]; seed->GetIntegratedTimes(time);
+       t->SetIntegratedTimes(time);
+
+       Double_t length =  seed->GetIntegratedLength();
+       t->SetIntegratedLength(length);
+
+       Double_t alphaB = (Double_t)t->GetAlpha();
+       Double_t xB = (Double_t)t->GetX();
+       Double_t yB = (Double_t)t->GetY();
+       Double_t zB = (Double_t)t->GetZ();
+       Double_t p1B = (Double_t)t->GetSnp();
+       Double_t p2B = (Double_t)t->GetTgl();
+       Double_t p3B = (Double_t)t->GetSigned1Pt();
+       const Double_t *covB = (Double_t*)t->GetCovariance();
+       AliDebug(2,"Track params -now(before)-:");
+       AliDebug(2,Form("    X: %f(%f), Y: %f(%f), Z: %f(%f) --- alpha: %f(%f)",
+                       xB,xA,
+                       yB,yA,
+                       zB,zA,
+                       alphaB,alphaA));
+       AliDebug(2,Form("    p1: %f(%f), p2: %f(%f), p3: %f(%f)",
+                       p1B,p1A,
+                       p2B,p2A,
+                       p3B,p3A));
+       AliDebug(2,Form("    cov1: %f(%f), cov2: %f(%f), cov3: %f(%f)"
+                       " cov4: %f(%f), cov5: %f(%f), cov6: %f(%f)"
+                       " cov7: %f(%f), cov8: %f(%f), cov9: %f(%f)"
+                       " cov10: %f(%f), cov11: %f(%f), cov12: %f(%f)"
+                       " cov13: %f(%f), cov14: %f(%f), cov15: %f(%f)",
+                       covB[0],covA[0],
+                       covB[1],covA[1],
+                       covB[2],covA[2],
+                       covB[3],covA[3],
+                       covB[4],covA[4],
+                       covB[5],covA[5],
+                       covB[6],covA[6],
+                       covB[7],covA[7],
+                       covB[8],covA[8],
+                       covB[9],covA[9],
+                       covB[10],covA[10],
+                       covB[11],covA[11],
+                       covB[12],covA[12],
+                       covB[13],covA[13],
+                       covB[14],covA[14]
+                       ));
+       AliDebug(3,Form(" TOF params: %6d  %f %f %f %f %f %6d %3d %f  %f %f %f %f %f",
                        i,
                        t->GetTOFsignalRaw(),
                        t->GetTOFsignal(),
@@ -237,31 +317,12 @@ Int_t AliTOFtracker::PropagateBack(AliESDEvent* event) {
     }
   }
 
-  //Handle Time Zero information
-
-  Double_t timeZero=0.;
-  Double_t timeZeroMax=99999.;
-  Bool_t usetimeZero     = fRecoParam->UseTimeZero();
-  Bool_t timeZeroFromT0  = fRecoParam->GetTimeZerofromT0();
-  Bool_t timeZeroFromTOF = fRecoParam->GetTimeZerofromTOF();
-
-  AliDebug(2,Form("Use Time Zero?: %d",usetimeZero));
-  AliDebug(2,Form("Time Zero from T0? : %d",timeZeroFromT0));
-  AliDebug(2,Form("Time Zero From TOF? : %d",timeZeroFromTOF));
-
-  if(usetimeZero){
-    if(timeZeroFromT0){
-      timeZero=GetTimeZerofromT0(event); 
-    }
-    if(timeZeroFromTOF && (timeZero>timeZeroMax || !timeZeroFromT0)){
-      timeZero=GetTimeZerofromTOF(event); 
-    }
-  }
-  AliDebug(2,Form("time Zero used in PID: %f",timeZero));
   //Make TOF PID
-  fPid->MakePID(event,timeZero);
+  // Now done in AliESDpid
+  // fPid->MakePID(event,timeZero);
 
   fSeeds->Clear();
+  //fTracks->Delete();
   fTracks->Clear();
   return 0;
   
@@ -271,37 +332,69 @@ void AliTOFtracker::CollectESD() {
    //prepare the set of ESD tracks to be matched to clusters in TOF
 
   Int_t seedsTOF1=0;
+  Int_t seedsTOF3=0;
   Int_t seedsTOF2=0;
  
   TClonesArray &aTOFTrack = *fTracks;
   for (Int_t i=0; i<fNseeds; i++) {
 
-    AliESDtrack *t =(AliESDtrack*)fSeeds->UncheckedAt(i);
+    AliESDtrack *t =(AliESDtrack*)fSeeds->At(i);
     if ((t->GetStatus()&AliESDtrack::kTPCout)==0)continue;
 
     AliTOFtrack *track = new AliTOFtrack(*t); // New
     Float_t x = (Float_t)track->GetX(); //New
 
-    // TRD 'good' tracks, already propagated at 371 cm
-    if ( ( (t->GetStatus()&AliESDtrack::kTRDout)!=0 ) &&
-        ( x >= AliTOFGeometry::Rmin() ) ) {
-      if  ( track->PropagateToInnerTOF() ) {
+    // TRD 'good' tracks
+    if ( ( (t->GetStatus()&AliESDtrack::kTRDout)!=0 ) ) {
 
-       AliDebug(1,Form(" TRD propagated track till rho = %fcm."
-                       " And then the track has been propagated till rho = %fcm.",
-                       x, (Float_t)track->GetX()));
+      AliDebug(1,Form(" Before propagation till inner TOF radius, ESDtrackLength=%f, TOFtrackLength=%f",t->GetIntegratedLength(),track->GetIntegratedLength()));
+
+      // TRD 'good' tracks, already propagated at 371 cm
+      if( x >= AliTOFGeometry::Rmin() ) {
+
+       if  ( track->PropagateToInnerTOF() ) {
+
+         AliDebug(1,Form(" TRD propagated track till rho = %fcm."
+                         " And then the track has been propagated till rho = %fcm.",
+                         x, (Float_t)track->GetX()));
+
+         track->SetSeedIndex(i);
+         t->UpdateTrackParams(track,AliESDtrack::kTOFin);
+         new(aTOFTrack[fNseedsTOF]) AliTOFtrack(*track);
+         fNseedsTOF++;
+         seedsTOF1++;
+
+         AliDebug(1,Form(" After propagation till inner TOF radius, ESDtrackLength=%f, TOFtrackLength=%f",t->GetIntegratedLength(),track->GetIntegratedLength()));
+       }
+       delete track;
 
-       track->SetSeedIndex(i);
-       t->UpdateTrackParams(track,AliESDtrack::kTOFin);
-       new(aTOFTrack[fNseedsTOF]) AliTOFtrack(*track);
-       fNseedsTOF++;
-       seedsTOF1++;
       }
-      delete track;
+      else { // TRD 'good' tracks, propagated rho<371cm
+
+       if  ( track->PropagateToInnerTOF() ) {
+
+         AliDebug(1,Form(" TRD propagated track till rho = %fcm."
+                         " And then the track has been propagated till rho = %fcm.",
+                         x, (Float_t)track->GetX()));
+
+         track->SetSeedIndex(i);
+         t->UpdateTrackParams(track,AliESDtrack::kTOFin);
+         new(aTOFTrack[fNseedsTOF]) AliTOFtrack(*track);
+         fNseedsTOF++;
+         seedsTOF3++;
+
+         AliDebug(1,Form(" After propagation till inner TOF radius, ESDtrackLength=%f, TOFtrackLength=%f",t->GetIntegratedLength(),track->GetIntegratedLength()));
+       }
+       delete track;
+
+      }
+      //delete track;
     }
 
-    // Propagate the rest of TPCbp  
-    else {
+    else { // Propagate the rest of TPCbp
+
+      AliDebug(1,Form(" Before propagation till inner TOF radius, ESDtrackLength=%f, TOFtrackLength=%f",t->GetIntegratedLength(),track->GetIntegratedLength()));
+
       if ( track->PropagateToInnerTOF() ) { 
 
        AliDebug(1,Form(" TPC propagated track till rho = %fcm."
@@ -313,43 +406,48 @@ void AliTOFtracker::CollectESD() {
        new(aTOFTrack[fNseedsTOF]) AliTOFtrack(*track);
        fNseedsTOF++;
        seedsTOF2++;
+
+       AliDebug(1,Form(" After propagation till inner TOF radius, ESDtrackLength=%f, TOFtrackLength=%f",t->GetIntegratedLength(),track->GetIntegratedLength()));
       }
       delete track;
     }
   }
 
-  AliInfo(Form("Number of TOF seeds %d",fNseedsTOF));
-  AliInfo(Form("Number of TOF seeds Type 1 %d",seedsTOF1));
-  AliInfo(Form("Number of TOF seeds Type 2 %d",seedsTOF2));
+  AliInfo(Form("Number of TOF seeds = %d (kTRDout371 = %d, kTRDoutLess371 = %d, !kTRDout = %d)",fNseedsTOF,seedsTOF1,seedsTOF3,seedsTOF2));
 
   // Sort according uncertainties on track position 
   fTracks->Sort();
 
 }
+
 //_________________________________________________________________________
 void AliTOFtracker::MatchTracks( Bool_t mLastStep){
 
-
   // Parameters used/regulating the reconstruction
 
-  static Float_t corrLen=0.75;
-  static Float_t detDepth=15.3;
+  //static Float_t corrLen=0.;//0.75;
+  static Float_t detDepth=18.;
   static Float_t padDepth=0.5;
 
   const Float_t kSpeedOfLight= 2.99792458e-2; // speed of light [cm/ps]
-  const Float_t kTimeOffset = 32.; // time offset for tracking algorithm [ps]
+  const Float_t kTimeOffset = 0.; // time offset for tracking algorithm [ps]
 
   Float_t dY=AliTOFGeometry::XPad(); 
   Float_t dZ=AliTOFGeometry::ZPad(); 
 
-  Float_t sensRadius = fRecoParam->GetSensRadius();
-  Float_t stepSize   = fRecoParam->GetStepSize();
-  Float_t scaleFact   = fRecoParam->GetWindowScaleFact();
-  Float_t dyMax=fRecoParam->GetWindowSizeMaxY(); 
-  Float_t dzMax=fRecoParam->GetWindowSizeMaxZ();
-  Float_t dCut=fRecoParam->GetDistanceCut();
-  Double_t maxChi2=fRecoParam->GetMaxChi2TRD();
-  Bool_t timeWalkCorr    = fRecoParam->GetTimeWalkCorr();
+  Float_t sensRadius = fkRecoParam->GetSensRadius();
+  Float_t stepSize   = fkRecoParam->GetStepSize();
+  Float_t scaleFact  = fkRecoParam->GetWindowScaleFact();
+  Float_t dyMax=fkRecoParam->GetWindowSizeMaxY(); 
+  Float_t dzMax=fkRecoParam->GetWindowSizeMaxZ();
+  Float_t dCut=fkRecoParam->GetDistanceCut();
+  if (dCut==3. && fNseedsTOF<=10) {
+    dCut=10.;
+    AliInfo(Form("Matching window=%f, since low multiplicity event (fNseedsTOF=%d)",
+                dCut, fNseedsTOF));
+  }
+  Double_t maxChi2=fkRecoParam->GetMaxChi2TRD();
+  Bool_t timeWalkCorr    = fkRecoParam->GetTimeWalkCorr();
   if(!mLastStep){
     AliDebug(1,"++++++++++++++TOF Reconstruction Parameters:++++++++++++ \n");
     AliDebug(1,Form("TOF sens radius: %f",sensRadius));
@@ -366,6 +464,7 @@ void AliTOFtracker::MatchTracks( Bool_t mLastStep){
 
   // Get the number of propagation steps
   Int_t nSteps=(Int_t)(detDepth/stepSize);
+  AliDebug(1,Form(" Number of steps to be done %d",nSteps));
 
   //PH Arrays (moved outside of the loop)
   Float_t * trackPos[4];
@@ -373,35 +472,21 @@ void AliTOFtracker::MatchTracks( Bool_t mLastStep){
   Int_t * clind = new Int_t[fN];
   
   // Some init
-  const Int_t kNfoundMax = 10000; // related to nSteps value
-  Int_t         index[kNfoundMax];
-  Float_t        dist[kNfoundMax];
-  Float_t       distZ[kNfoundMax];
-  Float_t       distY[kNfoundMax]; // delta(rhoXphi) // AdC
-  Float_t       cxpos[kNfoundMax];
-  Float_t       crecL[kNfoundMax];
   const Int_t kNclusterMax = 1000; // related to fN value
-  TGeoHMatrix   global[kNclusterMax];
-     
+  TGeoHMatrix global[kNclusterMax];
+
   //The matching loop
   for (Int_t iseed=0; iseed<fNseedsTOF; iseed++) {
 
-    for (Int_t ii=0; ii<kNfoundMax; ii++) {
-      index[ii] = -1;
-      dist[ii] = 9999.;
-      distZ[ii] = 9999.;
-      distY[ii] = 9999.;
-      cxpos[ii] = 9999.;
-      crecL[ii] = 0.;
-    }
+    fTOFtrackPoints->Delete();
+
     for (Int_t ii=0; ii<kNclusterMax; ii++)
       global[ii] = 0x0;
-
     AliTOFtrack *track =(AliTOFtrack*)fTracks->UncheckedAt(iseed);
-    AliESDtrack *t =(AliESDtrack*)fSeeds->UncheckedAt(track->GetSeedIndex());
+    AliESDtrack *t =(AliESDtrack*)fSeeds->At(track->GetSeedIndex());
     //if ( t->GetTOFsignal()>0. ) continue;
     if ( (t->GetStatus()&AliESDtrack::kTOFout)!=0 ) continue;
-    AliTOFtrack *trackTOFin =new AliTOFtrack(*track);
+    AliTOFtrack *trackTOFin = new AliTOFtrack(*track);
 
     // Determine a window around the track
     Double_t x,par[5]; 
@@ -428,15 +513,12 @@ void AliTOFtracker::MatchTracks( Bool_t mLastStep){
     Double_t z=par[1];   
 
     //upper limit on window's size.
-
-    if(dz> dzMax) dz=dzMax;
-    if(dphi*sensRadius> dyMax) dphi=dyMax/sensRadius;
+    if (dz> dzMax) dz=dzMax;
+    if (dphi*sensRadius> dyMax) dphi=dyMax/sensRadius;
 
 
-    Int_t nc=0;
-
     // find the clusters in the window of the track
-
+    Int_t nc=0;
     for (Int_t k=FindClusterIndex(z-dz); k<fN; k++) {
 
       if (nc>=kNclusterMax) {
@@ -447,7 +529,6 @@ void AliTOFtracker::MatchTracks( Bool_t mLastStep){
       AliTOFcluster *c=fClusters[k];
       if (c->GetZ() > z+dz) break;
       if (c->IsUsed()) continue;
-
       if (!c->GetStatus()) {
        AliDebug(1,"Cluster in channel declared bad!");
        continue; // skip bad channels as declared in OCDB
@@ -463,7 +544,7 @@ void AliTOFtracker::MatchTracks( Bool_t mLastStep){
       if (trackTOFin->AliExternalTrackParam::GetPredictedChi2(p,cov2) > maxChi2)continue;
 
       clind[nc] = k;      
-      Char_t path[100];
+      Char_t path[200];
       Int_t ind[5];
       ind[0]=c->GetDetInd(0);
       ind[1]=c->GetDetInd(1);
@@ -478,17 +559,26 @@ void AliTOFtracker::MatchTracks( Bool_t mLastStep){
 
     AliDebug(1,Form(" Number of matchable TOF clusters for the track number %d: %d",iseed,nc));
 
+    if (nc == 0 ) {
+      fnunmatch++;
+      delete trackTOFin;
+      continue;
+    }
+
     //start fine propagation 
 
     Int_t nStepsDone = 0;
     for( Int_t istep=0; istep<nSteps; istep++){ 
 
-      Float_t xs=AliTOFGeometry::RinTOF()+istep*0.1;
-      Double_t ymax=xs*TMath::Tan(0.5*AliTOFGeometry::GetAlpha());
+      // First of all, propagate the track...
+      Float_t xs = AliTOFGeometry::RinTOF()+istep*stepSize;
+      if(!trackTOFin->PropagateTo(xs)) {
+       break;
+      }
 
-      Bool_t skip=kFALSE;
-      Double_t ysect=trackTOFin->GetYat(xs,skip);
-      if (skip) break;
+      //  ...and then, if necessary, rotate the track
+      Double_t ymax = xs*TMath::Tan(0.5*AliTOFGeometry::GetAlpha());
+      Double_t ysect = trackTOFin->GetY();
       if (ysect > ymax) {
        if (!trackTOFin->Rotate(AliTOFGeometry::GetAlpha())) {
          break;
@@ -499,33 +589,30 @@ void AliTOFtracker::MatchTracks( Bool_t mLastStep){
        }
       }
 
-      if(!trackTOFin->PropagateTo(xs)) {
-       break;
-      }
-
       nStepsDone++;
+      AliDebug(2,Form(" current step %d (%d) - nStepsDone=%d",istep,nSteps,nStepsDone));
 
       // store the running point (Globalrf) - fine propagation     
 
       Double_t r[3];
       trackTOFin->GetXYZ(r);
-      trackPos[0][istep]= (Float_t) r[0];
-      trackPos[1][istep]= (Float_t) r[1];
-      trackPos[2][istep]= (Float_t) r[2];   
-      trackPos[3][istep]= trackTOFin->GetIntegratedLength();
+      trackPos[0][nStepsDone-1]= (Float_t) r[0];
+      trackPos[1][nStepsDone-1]= (Float_t) r[1];
+      trackPos[2][nStepsDone-1]= (Float_t) r[2];   
+      trackPos[3][nStepsDone-1]= trackTOFin->GetIntegratedLength();
     }
 
 
+#if 0
+    /*****************/
+    /**** OLD CODE ***/
+    /*****************/
+
     Int_t nfound = 0;
     Bool_t accept = kFALSE;
     Bool_t isInside = kFALSE;
     for (Int_t istep=0; istep<nStepsDone; istep++) {
 
-      if (nfound>=kNfoundMax) {
-       AliWarning("No more track positions can be stored! Please, increase the corresponding vectors size.");
-       break;
-      }
-
       Float_t ctrackPos[3];    
       ctrackPos[0] = trackPos[0][istep];
       ctrackPos[1] = trackPos[1][istep];
@@ -536,7 +623,7 @@ void AliTOFtracker::MatchTracks( Bool_t mLastStep){
       Float_t dist3d[3];
       accept = kFALSE;
       for (Int_t i=0; i<nc; i++) {
-        isInside = fGeom->IsInsideThePad(global[i],ctrackPos,dist3d);
+        isInside = fGeom->IsInsideThePad((TGeoHMatrix*)(&global[i]),ctrackPos,dist3d);
 
         if ( mLastStep ) {
           Float_t yLoc = dist3d[1];
@@ -549,30 +636,12 @@ void AliTOFtracker::MatchTracks( Bool_t mLastStep){
        }
        if (accept) {
 
-         dist[nfound] = TMath::Sqrt(dist3d[0]*dist3d[0] +
-                                    dist3d[1]*dist3d[1] +
-                                    dist3d[2]*dist3d[2]);
-         AliDebug(2,Form(" dist3dLoc[0] = %f, dist3dLoc[1] = %f, dist3dLoc[2] = %f ",
-                         dist3d[0],dist3d[1],dist3d[2]));
-         distZ[nfound] = dist3d[2]; // Z distance in the RF of the
-                                    // hit pad closest to the
-                                    // reconstructed track
-         distY[nfound] = dist3d[0]; // X distance in the RF of the
-                                    // hit pad closest to the
-                                    // reconstructed track
-                                    // It corresponds to Y coordinate
-                                    // in tracking RF
-
-
-         AliDebug(2,Form("   dist3dLoc[0] = %f --- distY[%d] = %f",
-                         dist3d[0],nfound,distY[nfound]));
-         AliDebug(2,Form("   dist3dLoc[2] = %f --- distZ[%d] = %f",
-                         dist3d[2],nfound,distZ[nfound]));
-
-
-         crecL[nfound] = trackPos[3][istep];
-         index[nfound] = clind[i]; // store cluster id             
-         cxpos[nfound] = AliTOFGeometry::RinTOF()+istep*0.1; //store prop.radius
+         fTOFtrackPoints->AddLast(new AliTOFtrackPoint(clind[i],
+                                                       TMath::Sqrt(dist3d[0]*dist3d[0] + dist3d[1]*dist3d[1] + dist3d[2]*dist3d[2]),
+                                                       dist3d[2],dist3d[0],dist3d[1],
+                                                       AliTOFGeometry::RinTOF()+istep*stepSize,trackPos[3][istep]));
+
+         AliDebug(2,Form(" dist3dLoc[0] = %f, dist3dLoc[1] = %f, dist3dLoc[2] = %f ",dist3d[0],dist3d[1],dist3d[2]));
          nfound++;
          if(accept &&!mLastStep)break;
        }//end if accept
@@ -581,8 +650,110 @@ void AliTOFtracker::MatchTracks( Bool_t mLastStep){
       if(accept &&!mLastStep)break;
     } //end for on the steps     
 
-    AliDebug(1,Form(" Number of track points for the track number %d: %d",iseed,nfound));
+    /*****************/
+    /**** OLD CODE ***/
+    /*****************/
+#endif
+
+    AliDebug(1,Form(" Number of steps done for the track number %d: %d",iseed,nStepsDone));
+
+    if ( nStepsDone == 0 ) {
+      fnunmatch++;
+      delete trackTOFin;
+      continue;
+    }
+
+    /*****************/
+    /**** NEW CODE ***/
+    /*****************/
+
+    Int_t nfound = 0;
+    Bool_t accept = kFALSE;
+    Bool_t isInside = kFALSE;
+    for (Int_t istep=0; istep<nStepsDone; istep++) {
+
+      Bool_t gotInsideCluster = kFALSE;
+      Int_t trackInsideCluster = -1;
+
+      Float_t ctrackPos[3];     
+      ctrackPos[0] = trackPos[0][istep];
+      ctrackPos[1] = trackPos[1][istep];
+      ctrackPos[2] = trackPos[2][istep];
+
+      //now see whether the track matches any of the TOF clusters            
+
+      Float_t dist3d[3]={0.,0.,0.};
+      accept = kFALSE;
+      for (Int_t i=0; i<nc; i++) {
+
+        // ***** NEW *****
+        /* check whether track was inside another cluster
+         * and in case inhibit this cluster.
+         * this will allow to only go on and add track points for
+         * that cluster where the track got inside first */
+        if (gotInsideCluster && trackInsideCluster != i) {
+         AliDebug(2,Form(" A - istep=%d ~ %d %d ~ nfound=%d",istep,trackInsideCluster,i,nfound));
+          continue;
+       }
+       AliDebug(2,Form(" B - istep=%d ~ %d %d ~ nfound=%d",istep,trackInsideCluster,i,nfound));
+
+        /* check whether track is inside this cluster */
+       for (Int_t hh=0; hh<3; hh++) dist3d[hh]=0.;
+       isInside = fGeom->IsInsideThePad((TGeoHMatrix*)(&global[i]),ctrackPos,dist3d);
 
+        // ***** NEW *****
+        /* if track is inside this cluster set flags which will then
+         * inhibit to add track points for the other clusters */
+        if (isInside) {
+          gotInsideCluster = kTRUE;
+          trackInsideCluster = i;
+        }
+
+        if ( mLastStep ) {
+          Float_t yLoc = dist3d[1];
+          Float_t rLoc = TMath::Sqrt(dist3d[0]*dist3d[0]+dist3d[2]*dist3d[2]);
+          accept = (TMath::Abs(yLoc)<padDepth*0.5 && rLoc<dCut);
+          AliDebug(2," I am in the case mLastStep==kTRUE ");
+        }
+
+       //***** NEW *****
+       /* add point everytime that:
+        * - the track is inside the cluster
+        * - the track got inside the cluster, even when it eventually exited the cluster
+        * - the tracks is within dCut from the cluster
+        */
+        if (accept || isInside || gotInsideCluster) {
+
+          fTOFtrackPoints->AddLast(new AliTOFtrackPoint(clind[i],
+                                                        TMath::Sqrt(dist3d[0]*dist3d[0] + dist3d[1]*dist3d[1] + dist3d[2]*dist3d[2]),
+                                                        dist3d[2],dist3d[0],dist3d[1],
+                                                        AliTOFGeometry::RinTOF()+istep*stepSize,trackPos[3][istep]));
+
+          AliDebug(2,Form(" dist3dLoc[0] = %f, dist3dLoc[1] = %f, dist3dLoc[2] = %f ",dist3d[0],dist3d[1],dist3d[2]));
+          nfound++;
+
+         AliDebug(2,Form(" C - istep=%d ~ %d %d ~ nfound=%d",istep,trackInsideCluster,i,nfound));
+        
+          // ***** NEW *****
+          /* do not break loop in any case
+           * if the track got inside a cluster all other clusters
+           * are inhibited */
+          //      if(accept &&!mLastStep)break;
+          
+        }//end if accept
+        
+      } //end for on the clusters
+      
+      // ***** NEW *****
+      /* do not break loop in any case
+      * if the track got inside a cluster all other clusters
+      * are inhibited but we want to go on adding track points */
+      //      if(accept &&!mLastStep)break;
+      
+    } //end for on the steps     
+
+
+    AliDebug(1,Form(" Number of track points for the track number %d: %d",iseed,nfound));
 
     if (nfound == 0 ) {
       fnunmatch++;
@@ -590,8 +761,6 @@ void AliTOFtracker::MatchTracks( Bool_t mLastStep){
       continue;
     }
     
-    fnmatch++;
-
     // now choose the cluster to be matched with the track.
 
     Int_t idclus=-1;
@@ -600,31 +769,57 @@ void AliTOFtracker::MatchTracks( Bool_t mLastStep){
     Float_t  mindist=1000.;
     Float_t  mindistZ=0.;
     Float_t  mindistY=0.;
-    for (Int_t iclus= 0; iclus<nfound;iclus++){
-      if (dist[iclus]< mindist){
-       mindist = dist[iclus];
-       mindistZ = distZ[iclus]; // Z distance in the RF of the hit
-                                // pad closest to the reconstructed
-                                // track
-       mindistY = distY[iclus]; // Y distance in the RF of the hit
-                                // pad closest to the reconstructed
-                                // track
-       xpos = cxpos[iclus];
-        idclus =index[iclus]; 
-        recL=crecL[iclus]+corrLen*0.5;
+    Float_t  mindistX=stepSize;
+    for (Int_t iclus= 0; iclus<nfound;iclus++) {
+      AliTOFtrackPoint *matchableTOFcluster = (AliTOFtrackPoint*)fTOFtrackPoints->At(iclus);
+      //if ( matchableTOFcluster->Distance()<mindist ) {
+      if ( TMath::Abs(matchableTOFcluster->DistanceX())<TMath::Abs(mindistX) &&
+          TMath::Abs(matchableTOFcluster->DistanceX())<=stepSize ) {
+       mindist = matchableTOFcluster->Distance();
+       mindistZ = matchableTOFcluster->DistanceZ(); // Z distance in the
+                                                    // RF of the hit pad
+                                                    // closest to the
+                                                    // reconstructed
+                                                    // track
+       mindistY = matchableTOFcluster->DistanceY(); // Y distance in the
+                                                    // RF of the hit pad
+                                                    // closest to the
+                                                    // reconstructed
+                                                    // track
+       mindistX = matchableTOFcluster->DistanceX(); // X distance in the
+                                                    // RF of the hit pad
+                                                    // closest to the
+                                                    // reconstructed
+                                                    // track
+       xpos = matchableTOFcluster->PropRadius();
+        idclus = matchableTOFcluster->Index();
+        recL = matchableTOFcluster->Length();// + corrLen*0.5;
+
+       AliDebug(1,Form(" %d(%d) --- %f (%f, %f, %f), step=%f -- idclus=%d --- seed=%d, trackId=%d, trackLab=%d", iclus,nfound,
+                       mindist,mindistX,mindistY,mindistZ,stepSize,idclus,iseed,track->GetSeedIndex(),track->GetLabel()));
+
       }
+    } // loop on found TOF track points
+
+    if (TMath::Abs(mindistX)>stepSize && idclus!=-1) {
+      AliInfo(Form("--------Not matched --- but idclus=%d, trackId=%d, trackLab=%d",
+                  idclus,track->GetSeedIndex(),track->GetLabel()));
+      idclus=-1;
     }
 
+    if (idclus==-1) {
+      AliDebug(1,Form("Reconstructed track %d doesn't match any TOF cluster", iseed));
+      fnunmatch++;
+      delete trackTOFin;
+      continue;
+    }
+
+    AliDebug(1,"--------Matched");
+
+    fnmatch++;
 
     AliTOFcluster *c=fClusters[idclus];
-    /*
-    Float_t tiltangle = AliTOFGeometry::GetAngles(c->GetDetInd(1),c->GetDetInd(2))*TMath::DegToRad();
-    Float_t localCheck=-mindistZ;
-    localCheck/=TMath::Cos(tiltangle); // Z (tracking/ALICE RF) component of
-                                      // the distance between the
-                                      // reconstructed track and the
-                                      // TOF closest cluster
-    */
+
     AliDebug(2, Form("%7d     %7d     %10d     %10d  %10d  %10d      %7d",
                     iseed,
                     fnmatch-1,
@@ -635,16 +830,16 @@ void AliTOFtracker::MatchTracks( Bool_t mLastStep){
     c->Use(); 
 
     // Track length correction for matching Step 2 
-
-    if(mLastStep){
-      Float_t rc=TMath::Sqrt(c->GetR()*c->GetR() + c->GetZ()*c->GetZ());
-      Float_t rt=TMath::Sqrt(trackPos[0][70]*trackPos[0][70]
-                            +trackPos[1][70]*trackPos[1][70]
-                            +trackPos[2][70]*trackPos[2][70]);
-      Float_t dlt=rc-rt;      
+    /*
+    if (mLastStep) {
+      Float_t rc = TMath::Sqrt(c->GetR()*c->GetR() + c->GetZ()*c->GetZ());
+      Float_t rt = TMath::Sqrt(trackPos[0][70]*trackPos[0][70]
+                              +trackPos[1][70]*trackPos[1][70]
+                              +trackPos[2][70]*trackPos[2][70]);
+      Float_t dlt=rc-rt;
       recL=trackPos[3][70]+dlt;
-    }    
-
+    }
+    */
     if (
        (c->GetLabel(0)==TMath::Abs(trackTOFin->GetLabel()))
        ||
@@ -673,6 +868,8 @@ void AliTOFtracker::MatchTracks( Bool_t mLastStep){
     t->SetTOFsignalRaw(rawTime);
     t->SetTOFsignalDz(mindistZ);
     t->SetTOFsignalDx(mindistY);
+    t->SetTOFDeltaBC(c->GetDeltaBC());
+    t->SetTOFL0L1(c->GetL0L1Latency());
 
     Float_t info[10] = {mindist,mindistY,mindistZ,
                        0.,0.,0.,0.,0.,0.,0.};
@@ -718,6 +915,15 @@ void AliTOFtracker::MatchTracks( Bool_t mLastStep){
     AliTOFtrack *trackTOFout = new AliTOFtrack(*t); 
     trackTOFout->PropagateTo(xpos);
 
+    // If necessary, rotate the track
+    Double_t yATxposMax=xpos*TMath::Tan(0.5*AliTOFGeometry::GetAlpha());
+    Double_t yATxpos=trackTOFout->GetY();
+    if (yATxpos > yATxposMax) {
+      trackTOFout->Rotate(AliTOFGeometry::GetAlpha());
+    } else if (yATxpos < -yATxposMax) {
+      trackTOFout->Rotate(-AliTOFGeometry::GetAlpha());
+    }
+
     // Fill the track residual histograms.
     FillResiduals(trackTOFout,c,kFALSE);
 
@@ -730,8 +936,14 @@ void AliTOFtracker::MatchTracks( Bool_t mLastStep){
     // Fill Reco-QA histos for Reconstruction
     fHRecNClus->Fill(nc);
     fHRecDist->Fill(mindist);
-    fHRecSigYVsP->Fill(mom,TMath::Sqrt(cov[0]));
-    fHRecSigZVsP->Fill(mom,TMath::Sqrt(cov[2]));
+    if (cov[0]>=0.)
+      fHRecSigYVsP->Fill(mom,TMath::Sqrt(cov[0]));
+    else
+      fHRecSigYVsP->Fill(mom,-TMath::Sqrt(-cov[0]));
+    if (cov[2]>=0.)
+      fHRecSigZVsP->Fill(mom,TMath::Sqrt(cov[2]));
+    else
+      fHRecSigZVsP->Fill(mom,-TMath::Sqrt(-cov[2]));
     fHRecSigYVsPWin->Fill(mom,dphi*sensRadius);
     fHRecSigZVsPWin->Fill(mom,dz);
 
@@ -748,6 +960,7 @@ void AliTOFtracker::MatchTracks( Bool_t mLastStep){
     }
     delete trackTOFout;
   }
+
   for (Int_t ii=0; ii<4; ii++) delete [] trackPos[ii];
   delete [] clind;
  
@@ -783,7 +996,8 @@ Int_t AliTOFtracker::LoadClusters(TTree *cTree) {
 
   for (Int_t i=0; i<nc; i++) {
     AliTOFcluster *c=(AliTOFcluster*)clusters->UncheckedAt(i);
-    fClusters[i]=new AliTOFcluster(*c); fN++;
+//PH    fClusters[i]=new AliTOFcluster(*c); fN++;
+    fClusters[i]=c; fN++;
 
   // Fill Digits QA histos
  
@@ -834,7 +1048,7 @@ void AliTOFtracker::UnloadClusters() {
   //This function unloads TOF clusters
   //--------------------------------------------------------------------
   for (Int_t i=0; i<fN; i++) {
-    delete fClusters[i];
+//PH    delete fClusters[i];
     fClusters[i] = 0x0;
   }
   fN=0;
@@ -1014,7 +1228,7 @@ void AliTOFtracker::SaveCheckHists() {
   dir->cd();
   }
 //_________________________________________________________________________
-Float_t AliTOFtracker::CorrectTimeWalk( Float_t dist, Float_t tof) {
+Float_t AliTOFtracker::CorrectTimeWalk( Float_t dist, Float_t tof) const {
 
   //dummy, for the moment
   Float_t tofcorr=0.;
@@ -1027,22 +1241,6 @@ Float_t AliTOFtracker::CorrectTimeWalk( Float_t dist, Float_t tof) {
   return tofcorr;
 }
 //_________________________________________________________________________
-Float_t AliTOFtracker::GetTimeZerofromT0(AliESDEvent *event) const {
-
-  //Returns TimeZero as measured by T0 detector
-
-  return event->GetT0();
-}
-//_________________________________________________________________________
-Float_t AliTOFtracker::GetTimeZerofromTOF(AliESDEvent * /*event*/) const {
-
-  //dummy, for the moment. T0 algorithm using tracks on TOF
-  {
-    //place T0 algo here...
-  }
-  return 0.;
-}
-//_________________________________________________________________________
 
 void AliTOFtracker::FillClusterArray(TObjArray* arr) const
 {