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();
}
//_____________________________________________________________________________
fTOFtrackPoints=0x0;
}
+ for (Int_t ii=0; ii<kMaxCluster; ii++)
+ if (fClusters[ii]) fClusters[ii]->Delete();
+
}
//_____________________________________________________________________________
void AliTOFtracker::GetPidSettings(AliESDpid *esdPID) {
// fPid->MakePID(event,timeZero);
fSeeds->Clear();
- fTracks->Delete();
+ //fTracks->Delete();
+ fTracks->Clear();
return 0;
}
//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;
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."
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 (Type 1 = %d, Type 2 = %d)",fNseedsTOF,seedsTOF1,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 = fkRecoParam->GetSensRadius();
Float_t stepSize = fkRecoParam->GetStepSize();
- Float_t scaleFact = fkRecoParam->GetWindowScaleFact();
+ 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){
// 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];
//The matching loop
for (Int_t iseed=0; iseed<fNseedsTOF; iseed++) {
- fTOFtrackPoints->Clear();
+ fTOFtrackPoints->Delete();
for (Int_t ii=0; ii<kNclusterMax; ii++)
global[ii] = 0x0;
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);
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;
}
}
- 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;
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];
fTOFtrackPoints->AddLast(new AliTOFtrackPoint(clind[i],
TMath::Sqrt(dist3d[0]*dist3d[0] + dist3d[1]*dist3d[1] + dist3d[2]*dist3d[2]),
- dist3d[2], dist3d[0],
- AliTOFGeometry::RinTOF()+istep*0.1,trackPos[3][istep]));
+ 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 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++;
continue;
}
- fnmatch++;
-
// now choose the cluster to be matched with the track.
Int_t idclus=-1;
Float_t mindist=1000.;
Float_t mindistZ=0.;
Float_t mindistY=0.;
- for (Int_t iclus= 0; iclus<nfound;iclus++){
+ Float_t mindistX=stepSize;
+ for (Int_t iclus= 0; iclus<nfound;iclus++) {
AliTOFtrackPoint *matchableTOFcluster = (AliTOFtrackPoint*)fTOFtrackPoints->At(iclus);
- if (matchableTOFcluster->Distance()<mindist) {
+ //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
+ 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
- xpos = matchableTOFcluster->PropRadius();
+ 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;
+ 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];
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]
Float_t dlt=rc-rt;
recL=trackPos[3][70]+dlt;
}
-
+ */
if (
(c->GetLabel(0)==TMath::Abs(trackTOFin->GetLabel()))
||
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);
if (cov[0]>=0.)
fHRecSigYVsP->Fill(mom,TMath::Sqrt(cov[0]));
else
- fHRecSigYVsP->Fill(mom,TMath::Sqrt(-cov[0]));
+ 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]));
+ fHRecSigZVsP->Fill(mom,-TMath::Sqrt(-cov[2]));
fHRecSigYVsPWin->Fill(mom,dphi*sensRadius);
fHRecSigZVsPWin->Fill(mom,dz);