#include "AliTRDgeometry.h"
#include "AliTRDparameter.h"
-#include "AliTRDgeometryDetail.h"
#include "AliTRDgeometryHole.h"
#include "AliTRDcluster.h"
#include "AliTRDtrack.h"
-#include "AliTRDPartID.h"
-#include "../TPC/AliTPCtrack.h"
+#include "AliBarrelTrack.h"
+#include "AliESD.h"
#include "AliTRDtracker.h"
fAddTRDseeds(kFALSE),
fNoTilt(kFALSE)
{
+ // Default constructor
+
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;
}
return lastplane;
}
-//___________________________________________________________________
-Int_t AliTRDtracker::Clusters2Tracks(const TFile *inp, TFile *out)
-{
- //
- // Finds tracks within the TRD. File <inp> is expected to contain seeds
- // at the outer part of the TRD. If <inp> is NULL, the seeds
- // are found within the TRD if fAddTRDseeds is TRUE.
- // The tracks are propagated to the innermost time bin
- // of the TRD and stored in file <out>.
- //
-
- LoadEvent();
-
- TDirectory *savedir=gDirectory;
-
- char tname[100];
-
- if (!out->IsOpen()) {
- cerr<<"AliTRDtracker::Clusters2Tracks(): output file is not open !\n";
- return 1;
- }
-
- sprintf(tname,"seedTRDtoTPC_%d",GetEventNumber());
- TTree tpcTree(tname,"Tree with seeds from TRD at outer TPC pad row");
- AliTPCtrack *iotrack=0;
- tpcTree.Branch("tracks","AliTPCtrack",&iotrack,32000,0);
-
- sprintf(tname,"TreeT%d_TRD",GetEventNumber());
- TTree trdTree(tname,"TRD tracks at inner TRD time bin");
- AliTRDtrack *iotrackTRD=0;
- trdTree.Branch("tracks","AliTRDtrack",&iotrackTRD,32000,0);
-
- Int_t timeBins = fTrSec[0]->GetNumberOfTimeBins();
- Float_t foundMin = fgkMinClustersInTrack * timeBins;
-
- if (inp) {
- TFile *in=(TFile*)inp;
- if (!in->IsOpen()) {
- cerr<<
- "AliTRDtracker::Clusters2Tracks(): file with seeds is not open !\n";
- cerr<<" ... going for seeds finding inside the TRD\n";
- }
- else {
- in->cd();
- sprintf(tname,"TRDb_%d",GetEventNumber());
- TTree *seedTree=(TTree*)in->Get(tname);
- if (!seedTree) {
- cerr<<"AliTRDtracker::Clusters2Tracks(): ";
- cerr<<"can't get a tree with track seeds !\n";
- return 3;
- }
- AliTRDtrack *seed=new AliTRDtrack;
- seedTree->SetBranchAddress("tracks",&seed);
-
- Int_t n=(Int_t)seedTree->GetEntries();
- for (Int_t i=0; i<n; i++) {
- seedTree->GetEvent(i);
- seed->ResetCovariance();
- AliTRDtrack *tr = new AliTRDtrack(*seed,seed->GetAlpha());
- fSeeds->AddLast(tr);
- fNseeds++;
- }
- delete seed;
- delete seedTree;
- }
- }
-
- out->cd();
-
-
- // find tracks from loaded seeds
-
- Int_t nseed=fSeeds->GetEntriesFast();
- Int_t i, found = 0;
- Int_t innerTB = fTrSec[0]->GetInnerTimeBin();
-
- for (i=0; i<nseed; i++) {
- AliTRDtrack *pt=(AliTRDtrack*)fSeeds->UncheckedAt(i), &t=*pt;
- FollowProlongation(t, innerTB);
- if (t.GetNumberOfClusters() >= foundMin) {
- UseClusters(&t);
- CookLabel(pt, 1-fgkLabelFraction);
- // t.CookdEdx();
- }
- iotrackTRD = pt;
- trdTree.Fill();
- found++;
-// cout<<found<<'\r';
-
- if(PropagateToTPC(t)) {
- AliTPCtrack *tpc = new AliTPCtrack(*pt,pt->GetAlpha());
- iotrack = tpc;
- tpcTree.Fill();
- delete tpc;
- }
- delete fSeeds->RemoveAt(i);
- fNseeds--;
- }
-
- cout<<"Number of loaded seeds: "<<nseed<<endl;
- cout<<"Number of found tracks from loaded seeds: "<<found<<endl;
-
- // after tracks from loaded seeds are found and the corresponding
- // clusters are used, look for additional seeds from TRD
-
- if(fAddTRDseeds) {
- // Find tracks for the seeds in the TRD
- Int_t timeBins = fTrSec[0]->GetNumberOfTimeBins();
-
- Int_t nSteps = (Int_t) (fgkSeedDepth / fgkSeedStep);
- Int_t gap = (Int_t) (timeBins * fgkSeedGap);
- Int_t step = (Int_t) (timeBins * fgkSeedStep);
-
- // make a first turn with tight cut on initial curvature
- for(Int_t turn = 1; turn <= 2; turn++) {
- if(turn == 2) {
- nSteps = (Int_t) (fgkSeedDepth / (3*fgkSeedStep));
- step = (Int_t) (timeBins * (3*fgkSeedStep));
- }
- for(Int_t i=0; i<nSteps; i++) {
- Int_t outer=timeBins-1-i*step;
- Int_t inner=outer-gap;
-
- nseed=fSeeds->GetEntriesFast();
-
- MakeSeeds(inner, outer, turn);
-
- nseed=fSeeds->GetEntriesFast();
- printf("\n turn %d, step %d: number of seeds for TRD inward %d\n",
- turn, i, nseed);
-
- for (Int_t i=0; i<nseed; i++) {
- AliTRDtrack *pt=(AliTRDtrack*)fSeeds->UncheckedAt(i), &t=*pt;
- FollowProlongation(t,innerTB);
- if (t.GetNumberOfClusters() >= foundMin) {
- UseClusters(&t);
- CookLabel(pt, 1-fgkLabelFraction);
- t.CookdEdx();
- found++;
-// cout<<found<<'\r';
- iotrackTRD = pt;
- trdTree.Fill();
- if(PropagateToTPC(t)) {
- AliTPCtrack *tpc = new AliTPCtrack(*pt,pt->GetAlpha());
- iotrack = tpc;
- tpcTree.Fill();
- delete tpc;
- }
- }
- delete fSeeds->RemoveAt(i);
- fNseeds--;
- }
- }
- }
- }
- tpcTree.Write();
- trdTree.Write();
-
- cout<<"Total number of found tracks: "<<found<<endl;
-
- UnloadEvent();
-
- savedir->cd();
-
- return 0;
-}
-
//___________________________________________________________________
Int_t AliTRDtracker::Clusters2Tracks(AliESD* event)
{
MakeSeeds(inner, outer, turn);
nseed=fSeeds->GetEntriesFast();
- printf("\n turn %d, step %d: number of seeds for TRD inward %d\n",
- turn, i, nseed);
+ // printf("\n turn %d, step %d: number of seeds for TRD inward %d\n",
+ // turn, i, nseed);
for (Int_t i=0; i<nseed; i++) {
AliTRDtrack *pt=(AliTRDtrack*)fSeeds->UncheckedAt(i), &t=*pt;
AliESDtrack track;
track.UpdateTrackParams(pt,AliESDtrack::kTRDin);
event->AddTrack(&track);
+ // track.SetTRDtrack(new AliTRDtrack(*pt));
}
}
delete fSeeds->RemoveAt(i);
-//_____________________________________________________________________________
-Int_t AliTRDtracker::PropagateBack(const TFile *inp, TFile *out) {
- //
- // Reads seeds from file <inp>. The seeds are AliTPCtrack's found and
- // backpropagated by the TPC tracker. Each seed is first propagated
- // to the TRD, and then its prolongation is searched in the TRD.
- // If sufficiently long continuation of the track is found in the TRD
- // the track is updated, otherwise it's stored as originaly defined
- // by the TPC tracker.
- //
-
- LoadEvent();
-
- TDirectory *savedir=gDirectory;
-
- TFile *in=(TFile*)inp;
-
- if (!in->IsOpen()) {
- cerr<<"AliTRDtracker::PropagateBack(): ";
- cerr<<"file with back propagated TPC tracks is not open !\n";
- return 1;
- }
-
- if (!out->IsOpen()) {
- cerr<<"AliTRDtracker::PropagateBack(): ";
- cerr<<"file for back propagated TRD tracks is not open !\n";
- return 2;
- }
-
- in->cd();
- char tname[100];
- sprintf(tname,"seedsTPCtoTRD_%d",GetEventNumber());
- TTree *seedTree=(TTree*)in->Get(tname);
- if (!seedTree) {
- cerr<<"AliTRDtracker::PropagateBack(): ";
- cerr<<"can't get a tree with seeds from TPC !\n";
- cerr<<"check if your version of TPC tracker creates tree "<<tname<<"\n";
- return 3;
- }
-
- AliTPCtrack *seed=new AliTPCtrack;
- seedTree->SetBranchAddress("tracks",&seed);
-
- Int_t n=(Int_t)seedTree->GetEntries();
- for (Int_t i=0; i<n; i++) {
- seedTree->GetEvent(i);
- Int_t lbl = seed->GetLabel();
- AliTRDtrack *tr = new AliTRDtrack(*seed,seed->GetAlpha());
- tr->SetSeedLabel(lbl);
- fSeeds->AddLast(tr);
- fNseeds++;
- }
-
- delete seed;
- delete seedTree;
-
- out->cd();
-
- AliTPCtrack *otrack=0;
-
- sprintf(tname,"seedsTRDtoTOF1_%d",GetEventNumber());
- TTree tofTree1(tname,"Tracks back propagated through TPC and TRD");
- tofTree1.Branch("tracks","AliTPCtrack",&otrack,32000,0);
-
- sprintf(tname,"seedsTRDtoTOF2_%d",GetEventNumber());
- TTree tofTree2(tname,"Tracks back propagated through TPC and TRD");
- tofTree2.Branch("tracks","AliTPCtrack",&otrack,32000,0);
-
- sprintf(tname,"seedsTRDtoPHOS_%d",GetEventNumber());
- TTree phosTree(tname,"Tracks back propagated through TPC and TRD");
- phosTree.Branch("tracks","AliTPCtrack",&otrack,32000,0);
-
- sprintf(tname,"seedsTRDtoRICH_%d",GetEventNumber());
- TTree richTree(tname,"Tracks back propagated through TPC and TRD");
- richTree.Branch("tracks","AliTPCtrack",&otrack,32000,0);
-
- sprintf(tname,"TRDb_%d",GetEventNumber());
- TTree trdTree(tname,"Back propagated TRD tracks at outer TRD time bin");
- AliTRDtrack *otrackTRD=0;
- trdTree.Branch("tracks","AliTRDtrack",&otrackTRD,32000,0);
-
- if (IsStoringBarrel()) SetBarrelTree("back");
- out->cd();
-
- Int_t found=0;
- Int_t nseed=fSeeds->GetEntriesFast();
-
- // Float_t foundMin = fgkMinClustersInTrack * fTimeBinsPerPlane * fGeom->Nplan();
- Float_t foundMin = 40;
-
- Int_t outermostTB = fTrSec[0]->GetOuterTimeBin();
-
- for (Int_t i=0; i<nseed; i++) {
-
- AliTRDtrack *ps=(AliTRDtrack*)fSeeds->UncheckedAt(i), &s=*ps;
- Int_t expectedClr = FollowBackProlongation(s);
-
- if (IsStoringBarrel()) {
- StoreBarrelTrack(ps, fgkLastPlane, kTrackBack);
- fBarrelTree->Fill();
- }
-
- Int_t foundClr = s.GetNumberOfClusters();
- Int_t lastTB = fTrSec[0]->GetLayerNumber(s.GetX());
-
- // printf("seed %d: found %d out of %d expected clusters, Min is %f\n",
- // i, foundClr, expectedClr, foundMin);
-
- if (foundClr >= foundMin) {
- if(foundClr >= 2) {
- s.CookdEdx();
- CookLabel(ps, 1-fgkLabelFraction);
- UseClusters(ps);
- }
-
- // Propagate to outer reference plane [SR, GSI, 18.02.2003]
- ps->PropagateTo(364.8);
- otrackTRD=ps;
- trdTree.Fill();
- found++;
-// cout<<found<<'\r';
- }
-
- if(((expectedClr < 10) && (lastTB == outermostTB)) ||
- ((expectedClr >= 10) &&
- (((Float_t) foundClr) / ((Float_t) expectedClr) >=
- fgkMinFractionOfFoundClusters) && (lastTB == outermostTB))) {
-
- Double_t xTOF = 375.5;
-
- if(PropagateToOuterPlane(s,xTOF)) {
- AliTPCtrack *pt = new AliTPCtrack(*ps,ps->GetAlpha());
- otrack = pt;
- tofTree1.Fill();
- delete pt;
-
- xTOF = 381.5;
-
- if(PropagateToOuterPlane(s,xTOF)) {
- AliTPCtrack *pt = new AliTPCtrack(*ps,ps->GetAlpha());
- otrack = pt;
- tofTree2.Fill();
- delete pt;
-
- Double_t xPHOS = 460.;
-
- if(PropagateToOuterPlane(s,xPHOS)) {
- AliTPCtrack *pt = new AliTPCtrack(*ps,ps->GetAlpha());
- otrack = pt;
- phosTree.Fill();
- delete pt;
-
- Double_t xRICH = 490+1.267;
-
- if(PropagateToOuterPlane(s,xRICH)) {
- AliTPCtrack *pt = new AliTPCtrack(*ps,ps->GetAlpha());
- otrack = pt;
- richTree.Fill();
- delete pt;
- }
- }
- }
- }
- }
- }
-
-
- out->cd();
- tofTree1.Write();
- tofTree2.Write();
- phosTree.Write();
- richTree.Write();
- trdTree.Write();
-
- if (IsStoringBarrel()) { // [SR, 03.04.2003]
- fBarrelFile->cd();
- fBarrelTree->Write();
- fBarrelFile->Flush();
- }
-
- savedir->cd();
- cerr<<"Number of seeds: "<<nseed<<endl;
- cerr<<"Number of back propagated TRD tracks: "<<found<<endl;
-
- UnloadEvent();
-
- return 0;
-
-}
-
//_____________________________________________________________________________
Int_t AliTRDtracker::PropagateBack(AliESD* event) {
//
//
Int_t found=0;
- Float_t foundMin = 40;
+ Float_t foundMin = 20;
Int_t n = event->GetNumberOfTracks();
for (Int_t i=0; i<n; i++) {
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);
+ /*
+ // only debug purpose
if (track->GetNumberOfClusters()<expectedClr/3){
AliTRDtrack *track1 = new AliTRDtrack(*seed);
track1->SetSeedLabel(lbl);
delete track1;
delete track2;
}
-
+ */
+ if (TMath::Abs(track->GetC()-p4)/TMath::Abs(p4)>0.2) {
+ delete track;
+ continue; //too big change of curvature - to be checked
+ }
+
Int_t foundClr = track->GetNumberOfClusters();
if (foundClr >= foundMin) {
- if(foundClr >= 2) {
- track->CookdEdx();
-// CookLabel(track, 1-fgkLabelFraction);
+ track->CookdEdx(0.,1.);
+ CookdEdxTimBin(*track);
+
+ CookLabel(track, 1-fgkLabelFraction);
+ if(track->GetChi2()/track->GetNumberOfClusters()<6) { // sign only gold tracks
UseClusters(track);
}
-
- // Propagate to outer reference plane [SR, GSI, 18.02.2003]
-// track->PropagateTo(364.8); why?
-
- //seed->UpdateTrackParams(track, AliESDtrack::kTRDout);
- //found++;
+ Bool_t isGold = kFALSE;
+
+ if (track->GetChi2()/track->GetNumberOfClusters()<5) { //full gold track
+ seed->UpdateTrackParams(track, AliESDtrack::kTRDbackup);
+ isGold = kTRUE;
+ }
+ if (!isGold && track->GetNCross()==0&&track->GetChi2()/track->GetNumberOfClusters()<7){ //almost gold track
+ seed->UpdateTrackParams(track, 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;
+ }
+ }
+ }
+ else{
+ continue;
}
- //Propagation to the TOF (I.Belikov)
if (track->GetStop()==kFALSE){
- Double_t xTOF = 375.5;
- PropagateToOuterPlane(*track,xTOF);
-
- Double_t xtof=378.;
+
+ Double_t xtof=371.;
Double_t c2=track->GetC()*xtof - track->GetEta();
- if (TMath::Abs(c2)>=0.9999999){
+ if (TMath::Abs(c2)>=0.85) {
delete track;
continue;
}
-
+ Double_t xTOF0 = 371. ;
+ PropagateToOuterPlane(*track,xTOF0);
+ //
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;
- return 1;
+ continue;
}
} else if (y <-ymax) {
if (!track->Rotate(-AliTRDgeometry::GetAlpha())) {
delete track;
- return 1;
+ continue;
}
}
if (track->PropagateTo(xtof)) {
- seed->UpdateTrackParams(track, AliESDtrack::kTRDout);
+ seed->UpdateTrackParams(track, AliESDtrack::kTRDout);
+ for (Int_t i=0;i<kNPlane;i++) {
+ seed->SetTRDsignals(track->GetPIDsignals(i),i);
+ seed->SetTRDTimBin(track->GetPIDTimBin(i),i);
+ }
+ seed->SetTRDtrack(new AliTRDtrack(*track));
if (track->GetNumberOfClusters()>foundMin) found++;
}
}else{
if (track->GetNumberOfClusters()>15&&track->GetNumberOfClusters()>0.5*expectedClr){
seed->UpdateTrackParams(track, AliESDtrack::kTRDout);
- seed->UpdateTrackParams(track, AliESDtrack::kTRDStop);
+ //seed->SetStatus(AliESDtrack::kTRDStop);
+ for (Int_t i=0;i<kNPlane;i++) {
+ seed->SetTRDsignals(track->GetPIDsignals(i),i);
+ seed->SetTRDTimBin(track->GetPIDTimBin(i),i);
+ }
+ seed->SetTRDtrack(new AliTRDtrack(*track));
found++;
}
}
Int_t n = event->GetNumberOfTracks();
for (Int_t i=0; i<n; i++) {
AliESDtrack* seed=event->GetTrack(i);
+ AliTRDtrack* seed2 = new AliTRDtrack(*seed);
+ if (seed2->GetX()<270){
+ seed->UpdateTrackParams(seed2, AliESDtrack::kTRDbackup); // backup TPC track - only update
+ continue;
+ }
+
ULong_t status=seed->GetStatus();
if ( (status & AliESDtrack::kTRDout ) == 0 ) continue;
if ( (status & AliESDtrack::kTRDin) != 0 ) continue;
- nseed++;
-
- AliTRDtrack* seed2 = new AliTRDtrack(*seed);
+ nseed++;
seed2->ResetCovariance(5.);
AliTRDtrack *pt = new AliTRDtrack(*seed2,seed2->GetAlpha());
+ for (Int_t i=0;i<kNPlane;i++) {
+ pt->SetPIDsignals(seed2->GetPIDsignals(i),i);
+ pt->SetPIDTimBin(seed2->GetPIDTimBin(i),i);
+ }
+
UInt_t * indexes2 = seed2->GetIndexes();
UInt_t * indexes3 = pt->GetBackupIndexes();
for (Int_t i=0;i<200;i++) {
//AliTRDtrack *pt = seed2;
AliTRDtrack &t=*pt;
FollowProlongation(t, innerTB);
-
+ /*
if (t.GetNumberOfClusters()<seed->GetTRDclusters(indexes3)*0.5){
// debug - why we dont go back?
AliTRDtrack *pt2 = new AliTRDtrack(*seed2,seed2->GetAlpha());
FollowProlongation(*pt2, innerTB);
delete pt2;
}
-
+ */
if (t.GetNumberOfClusters() >= foundMin) {
// UseClusters(&t);
//CookLabel(pt, 1-fgkLabelFraction);
if(PropagateToTPC(t)) {
seed->UpdateTrackParams(pt, AliESDtrack::kTRDrefit);
+ for (Int_t i=0;i<kNPlane;i++) {
+ seed->SetTRDsignals(pt->GetPIDsignals(i),i);
+ seed->SetTRDTimBin(pt->GetPIDTimBin(i),i);
+ }
+ }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;
+ if (PropagateToTPC(*pt2)) {
+ pt2->CookdEdx(0.,1.);
+ CookdEdxTimBin(*pt2);
+ seed->UpdateTrackParams(pt2, AliESDtrack::kTRDrefit);
+ for (Int_t i=0;i<kNPlane;i++) {
+ seed->SetTRDsignals(seed2->GetPIDsignals(i),i);
+ seed->SetTRDTimBin(seed2->GetPIDTimBin(i),i);
+ }
+ }
+ delete pt2;
}
+
delete seed2;
delete pt;
- }
+ }
cout<<"Number of loaded seeds: "<<nseed<<endl;
cout<<"Number of found tracks from loaded seeds: "<<found<<endl;
// layers confirms prolongation if a close cluster is found.
// Returns the number of clusters expected to be found in sensitive layers
+
Float_t wIndex, wTB, wChi2;
Float_t wYrt, wYclosest, wYcorrect, wYwindow;
Float_t wZrt, wZclosest, wZcorrect, wZwindow;
//
// MI -fix untill correct material desription will be implemented
//
- Float_t angle = t.GetAlpha(); // MI - if rotation - we go through the material -
+ Float_t angle = t.GetAlpha(); // MI - if rotation - we go through the material
if (!AdjustSector(&t)) break;
- if (TMath::Abs(angle - t.GetAlpha())>0.000001) break; //better to stop track
+ Int_t cross = kFALSE;
+
+ if (TMath::Abs(angle - t.GetAlpha())>0.000001) cross = kTRUE; //better to stop track
Int_t currentzone = fTrSec[s]->GetLayer(nr)->GetZone(z);
- if (currentzone==-10) break; // we are in the frame
+ if (currentzone==-10) cross = kTRUE; // we are in the frame
if (currentzone>-10){ // layer knows where we are
if (zone==-10) zone = currentzone;
- if (zone!=currentzone) break;
+ if (zone!=currentzone) cross=kTRUE;
}
+ if (cross) {
+ t.IncCross();
+ if (t.GetNCross()==1) t.MakeBackupTrack();
+ if (t.GetNCross()>2) break;
+ }
+
//
//
s = t.GetSector();
if(!t.PropagateTo(x,radLength,rho)) return 0;
AdjustSector(&t);
if(!t.PropagateTo(x,radLength,rho)) return 0;
- }
+ }
return 1;
}
-void AliTRDtracker::LoadEvent()
-{
- // Fills clusters into TRD tracking_sectors
- // Note that the numbering scheme for the TRD tracking_sectors
- // differs from that of TRD sectors
-
- ReadClusters(fClusters);
- Int_t ncl=fClusters->GetEntriesFast();
- cout<<"LoadSectors: sorting "<<ncl<<" clusters"<<endl;
-
- UInt_t index;
- while (ncl--) {
-// printf("\r %d left ",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 trackingSector = CookSectorIndex(sector);
-
- Int_t gtb = fTrSec[trackingSector]->CookTimeBinIndex(plane,localTimeBin);
- if(gtb < 0) continue;
- Int_t layer = fTrSec[trackingSector]->GetLayerNumber(gtb);
-
- index=ncl;
- fTrSec[trackingSector]->GetLayer(layer)->InsertCluster(c,index);
- }
- // printf("\r\n");
-
-}
-
//_____________________________________________________________________________
Int_t AliTRDtracker::LoadClusters(TTree *cTree)
{
return 1;
}
Int_t ncl=fClusters->GetEntriesFast();
+ fNclusters=ncl;
cout<<"\n LoadSectors: sorting "<<ncl<<" clusters"<<endl;
UInt_t index;
index=ncl;
fTrSec[trackingSector]->GetLayer(layer)->InsertCluster(c,index);
}
- printf("\r\n");
+ // printf("\r\n");
//
//
/*
}
//_____________________________________________________________________________
-void AliTRDtracker::UnloadEvent()
+void AliTRDtracker::UnloadClusters()
{
//
// Clears the arrays of clusters and tracks. Resets sectors and timebins
nentr = fClusters->GetEntriesFast();
for (i = 0; i < nentr; i++) delete fClusters->RemoveAt(i);
+ fNclusters = 0;
nentr = fSeeds->GetEntriesFast();
for (i = 0; i < nentr; i++) delete fSeeds->RemoveAt(i);
}
//_____________________________________________________________________________
-Int_t AliTRDtracker::ReadClusters(TObjArray *array, TTree *ClusterTree)
+Int_t AliTRDtracker::ReadClusters(TObjArray *array, TTree *ClusterTree) const
{
//
// Reads AliTRDclusters (option >= 0) or AliTRDrecPoints (option < 0)
// printf("found %d entries in %s.\n",nEntries,ClusterTree->GetName());
// Loop through all entries in the tree
- Int_t nbytes;
+ Int_t nbytes = 0;
AliTRDcluster *c = 0;
- // printf("\n");
+ // printf("\n");
for (Int_t iEntry = 0; iEntry < nEntries; iEntry++) {
return 0;
}
-//______________________________________________________________________
-void AliTRDtracker::ReadClusters(TObjArray *array, const Char_t *filename)
-{
- //
- // Reads AliTRDclusters from file <filename>. The names of the cluster
- // tree and branches should match the ones used in
- // AliTRDclusterizer::WriteClusters()
- // if <array> == 0, clusters are added into AliTRDtracker fCluster array
- //
-
- TDirectory *savedir=gDirectory;
-
- TFile *file = TFile::Open(filename);
- if (!file->IsOpen()) {
- cerr<<"Can't open file with TRD clusters"<<endl;
- return;
- }
-
- Char_t treeName[12];
- sprintf(treeName,"TreeR%d_TRD",GetEventNumber());
- TTree *clusterTree = (TTree*) gDirectory->Get(treeName);
-
- if (!clusterTree) {
- cerr<<"AliTRDtracker::ReadClusters(): ";
- cerr<<"can't get a tree with clusters !\n";
- return;
- }
-
- TObjArray *clusterArray = new TObjArray(400);
-
- clusterTree->GetBranch("TRDcluster")->SetAddress(&clusterArray);
-
- Int_t nEntries = (Int_t) clusterTree->GetEntries();
- cout<<"found "<<nEntries<<" in clusterTree"<<endl;
-
- // Loop through all entries in the tree
- Int_t nbytes;
- AliTRDcluster *c = 0;
-
- printf("\n");
-
- for (Int_t iEntry = 0; iEntry < nEntries; iEntry++) {
-
- // Import the tree
- nbytes += clusterTree->GetEvent(iEntry);
-
- // Get the number of points in the detector
- Int_t nCluster = clusterArray->GetEntriesFast();
- printf("\n Read %d clusters from entry %d", nCluster, iEntry);
-
- // Loop through all TRD digits
- for (Int_t iCluster = 0; iCluster < nCluster; iCluster++) {
- c = (AliTRDcluster*)clusterArray->UncheckedAt(iCluster);
- AliTRDcluster *co = new AliTRDcluster(*c);
- co->SetSigmaY2(c->GetSigmaY2() * fSY2corr);
- Int_t ltb = co->GetLocalTimeBin();
- if(ltb == 19) co->SetSigmaZ2(c->GetSigmaZ2());
- else if(fNoTilt) co->SetSigmaZ2(c->GetSigmaZ2() * fSZ2corr);
- array->AddLast(co);
- delete clusterArray->RemoveAt(iCluster);
- }
- }
-
- file->Close();
- delete clusterArray;
- savedir->cd();
-
-}
-
-void AliTRDtracker::ReadClusters(TObjArray *array, const TFile *inp)
-{
- //
- // Reads AliTRDclusters (option >= 0) or AliTRDrecPoints (option < 0)
- // from the file. The names of the cluster tree and branches
- // should match the ones used in AliTRDclusterizer::WriteClusters()
- //
-
- TDirectory *savedir=gDirectory;
-
- if (inp) {
- TFile *in=(TFile*)inp;
- if (!in->IsOpen()) {
- cerr<<"AliTRDtracker::ReadClusters(): input file is not open !\n";
- return;
- }
- else{
- in->cd();
- }
- }
-
- Char_t treeName[12];
- sprintf(treeName,"TreeR%d_TRD",GetEventNumber());
- TTree *clusterTree = (TTree*) gDirectory->Get(treeName);
-
- TObjArray *clusterArray = new TObjArray(400);
-
- clusterTree->GetBranch("TRDcluster")->SetAddress(&clusterArray);
-
- Int_t nEntries = (Int_t) clusterTree->GetEntries();
- printf("found %d entries in %s.\n",nEntries,clusterTree->GetName());
-
- // Loop through all entries in the tree
- Int_t nbytes;
- AliTRDcluster *c = 0;
- printf("\n");
-
- for (Int_t iEntry = 0; iEntry < nEntries; iEntry++) {
-
- // Import the tree
- nbytes += clusterTree->GetEvent(iEntry);
-
- // Get the number of points in the detector
- Int_t nCluster = clusterArray->GetEntriesFast();
-// printf("\r Read %d clusters from entry %d", nCluster, iEntry);
-
- // Loop through all TRD digits
- for (Int_t iCluster = 0; iCluster < nCluster; iCluster++) {
- c = (AliTRDcluster*)clusterArray->UncheckedAt(iCluster);
- AliTRDcluster *co = new AliTRDcluster(*c);
- co->SetSigmaY2(c->GetSigmaY2() * fSY2corr);
- Int_t ltb = co->GetLocalTimeBin();
- if(ltb == 19) co->SetSigmaZ2(c->GetSigmaZ2());
- else if(fNoTilt) co->SetSigmaZ2(c->GetSigmaZ2() * fSZ2corr);
- array->AddLast(co);
- delete clusterArray->RemoveAt(iCluster);
- }
- }
-
- delete clusterArray;
- savedir->cd();
-
-}
-
//__________________________________________________________________
void AliTRDtracker::CookLabel(AliKalmanTrack* pt, Float_t wrong) const
{
Int_t det = c->GetDetector();
Int_t plane = fGeom->GetPlane(det);
- if((plane == 1) || (plane == 3) || (plane == 5)) h01=-h01;
+ //if((plane == 1) || (plane == 3) || (plane == 5)) h01=-h01;
+ if((plane == 0) || (plane == 2) || (plane == 4)) h01=-h01;
if(fNoTilt) h01 = 0;
}
+void AliTRDtracker::CookdEdxTimBin(AliTRDtrack& TRDtrack)
+{
+ // *** ADDED TO GET MORE INFORMATION FOR TRD PID ---- PS
+ // 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)
+
+ // const Int_t kNPlane = AliTRDgeometry::Nplan();
+ // const Int_t kNPlane = 6;
+ Double_t clscharge[kNPlane], maxclscharge[kNPlane];
+ Int_t nCluster[kNPlane], timebin[kNPlane];
+
+ //Initialization of cluster charge per plane.
+ for (Int_t iPlane = 0; iPlane < kNPlane; iPlane++) {
+ clscharge[iPlane] = 0.0;
+ nCluster[iPlane] = 0;
+ 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 *TRDcluster = (AliTRDcluster *) GetCluster(index);
+ if (!TRDcluster) continue;
+ Int_t tb = TRDcluster->GetLocalTimeBin();
+ if (!tb) continue;
+ Int_t detector = TRDcluster->GetDetector();
+ Int_t iPlane = fGeom->GetPlane(detector);
+ clscharge[iPlane] = clscharge[iPlane]+charge;
+ if(charge > maxclscharge[iPlane]) {
+ maxclscharge[iPlane] = charge;
+ timebin[iPlane] = tb;
+ }
+ nCluster[iPlane]++;
+ } // end of loop over cluster
+
+ // Setting the fdEdxPlane and fTimBinPlane variabales
+ Double_t Total_ch = 0;
+ for (Int_t iPlane = 0; iPlane < kNPlane; iPlane++) {
+ if (nCluster[iPlane]) clscharge[iPlane] /= nCluster[iPlane];
+ TRDtrack.SetPIDsignals(clscharge[iPlane], iPlane);
+ TRDtrack.SetPIDTimBin(timebin[iPlane], iPlane);
+ Total_ch= Total_ch+clscharge[iPlane];
+ }
+ // 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);
+ // }
+
+} // end of function
+
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff