+
/**************************************************************************
* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
* *
/* $Id$ */
+#include "TVectorT.h"
+#include "AliLog.h"
#include "AliESDtrack.h"
+#include "AliTracker.h"
#include "AliTRDtrackV1.h"
#include "AliTRDcluster.h"
#include "AliTRDcalibDB.h"
+#include "AliTRDReconstructor.h"
+#include "AliTRDPIDResponse.h"
#include "AliTRDrecoParam.h"
+#include "AliTRDdEdxBaseUtils.h"
+#include "AliTRDdEdxCalibHistArray.h"
+#include "AliTRDdEdxCalibUtils.h"
+#include "AliTRDdEdxReconUtils.h"
ClassImp(AliTRDtrackV1)
///////////////////////////////////////////////////////////////////////////////
//_______________________________________________________________
-AliTRDtrackV1::AliTRDtrackV1()
- :AliTRDtrack()
+AliTRDtrackV1::AliTRDtrackV1() : AliKalmanTrack()
+ ,fStatus(0)
+ ,fESDid(0)
+ ,fDE(0.)
+ ,fTruncatedMean(0)
+ ,fNchamberdEdx(0)
+ ,fNclusterdEdx(0)
+ ,fNdEdxSlices(0)
+ ,fkReconstructor(NULL)
+ ,fBackupTrack(NULL)
+ ,fTrackLow(NULL)
+ ,fTrackHigh(NULL)
{
//
// Default constructor
//
-
- for(int ip=0; ip<6; ip++){
- fTrackletIndex[ip] = -1;
- fTracklet[ip].Reset();
- }
+ //printf("AliTRDtrackV1::AliTRDtrackV1()\n");
+
+ for(int i =0; i<3; i++) fBudget[i] = 0.;
+
+ Float_t pid = 1./AliPID::kSPECIES;
+ for(int is =0; is<AliPID::kSPECIES; is++) fPID[is] = pid;
+
+ for(int ip=0; ip<kNplane; ip++){
+ fTrackletIndex[ip] = -1;
+ fTracklet[ip] = NULL;
+ }
+ SetLabel(-123456789); // reset label
}
//_______________________________________________________________
-AliTRDtrackV1::AliTRDtrackV1(const AliESDtrack &t)
- :AliTRDtrack(t)
+AliTRDtrackV1::AliTRDtrackV1(const AliTRDtrackV1 &ref) : AliKalmanTrack(ref)
+ ,fStatus(ref.fStatus)
+ ,fESDid(ref.fESDid)
+ ,fDE(ref.fDE)
+ ,fTruncatedMean(ref.fTruncatedMean)
+ ,fNchamberdEdx(ref.fNchamberdEdx)
+ ,fNclusterdEdx(ref.fNclusterdEdx)
+ ,fNdEdxSlices(ref.fNdEdxSlices)
+ ,fkReconstructor(ref.fkReconstructor)
+ ,fBackupTrack(NULL)
+ ,fTrackLow(NULL)
+ ,fTrackHigh(NULL)
{
//
- // Constructor from AliESDtrack
+ // Copy constructor
//
- //AliInfo(Form("alpha %f", GetAlpha()));
- t.GetTRDtracklets(&fTrackletIndex[0]);
- for(int ip=0; ip<6; ip++) fTracklet[ip].Reset();
+ //printf("AliTRDtrackV1::AliTRDtrackV1(const AliTRDtrackV1 &)\n");
+ SetBit(kOwner, kFALSE);
+ for(int ip=0; ip<kNplane; ip++){
+ fTrackletIndex[ip] = ref.fTrackletIndex[ip];
+ fTracklet[ip] = ref.fTracklet[ip];
+ }
+ if(ref.fTrackLow) fTrackLow = new AliExternalTrackParam(*ref.fTrackLow);
+ if(ref.fTrackHigh) fTrackHigh = new AliExternalTrackParam(*ref.fTrackHigh);
+
+ for (Int_t i = 0; i < 3;i++) fBudget[i] = ref.fBudget[i];
+
+ for(Int_t is = 0; is<AliPID::kSPECIES; is++) fPID[is] = ref.fPID[is];
+
+ AliKalmanTrack::SetNumberOfClusters(ref.GetNumberOfClusters());
}
//_______________________________________________________________
-AliTRDtrackV1::AliTRDtrackV1(const AliTRDtrackV1 &ref)
- :AliTRDtrack(ref)
+AliTRDtrackV1::AliTRDtrackV1(const AliESDtrack &t) : AliKalmanTrack()
+ ,fStatus(0)
+ ,fESDid(0)
+ ,fDE(0.)
+ ,fTruncatedMean(0)
+ ,fNchamberdEdx(0)
+ ,fNclusterdEdx(0)
+ ,fNdEdxSlices(0)
+ ,fkReconstructor(NULL)
+ ,fBackupTrack(NULL)
+ ,fTrackLow(NULL)
+ ,fTrackHigh(NULL)
{
//
- // Copy constructor
+ // Constructor from AliESDtrack
//
- for(int ip=0; ip<6; ip++){
- fTrackletIndex[ip] = ref.fTrackletIndex[ip];
- fTracklet[ip] = ref.fTracklet[ip];
- }
+ SetESDid(t.GetID());
+ SetLabel(t.GetLabel());
+ SetChi2(0.0);
+
+ SetMass(t.GetMassForTracking());
+ AliKalmanTrack::SetNumberOfClusters(t.GetTRDncls());
+ Int_t ti[]={-1, -1, -1, -1, -1, -1}; t.GetTRDtracklets(&ti[0]);
+ for(int ip=0; ip<kNplane; ip++){
+ fTrackletIndex[ip] = ti[ip];
+ fTracklet[ip] = NULL;
+ }
+ for(int i =0; i<3; i++) fBudget[i] = 0.;
+
+ Float_t pid = 1./AliPID::kSPECIES;
+ for(int is =0; is<AliPID::kSPECIES; is++) fPID[is] = pid;
+
+ const AliExternalTrackParam *par = &t;
+ if (t.GetStatus() & AliESDtrack::kTRDbackup) {
+ par = t.GetOuterParam();
+ if (!par) {
+ AliError("No backup info!");
+ par = &t;
+ }
+ }
+ Set(par->GetX()
+ ,par->GetAlpha()
+ ,par->GetParameter()
+ ,par->GetCovariance());
+
+ if(t.GetStatus() & AliESDtrack::kTIME) {
+ StartTimeIntegral();
+ Double_t times[10];
+ t.GetIntegratedTimes(times);
+ SetIntegratedTimes(times);
+ SetIntegratedLength(t.GetIntegratedLength());
+ }
}
//_______________________________________________________________
-// AliTRDtrackV1::~AliTRDtrackV1()
-// {
-//
-// }
-
-//_______________________________________________________________
-AliTRDtrackV1::AliTRDtrackV1(AliTRDseedV1 *trklts, const Double_t p[5], const Double_t cov[15]
- , Double_t x, Double_t alpha)
- :AliTRDtrack()
+AliTRDtrackV1::AliTRDtrackV1(AliTRDseedV1 * const trklts, const Double_t p[5], const Double_t cov[15]
+ , Double_t x, Double_t alpha) : AliKalmanTrack()
+ ,fStatus(0)
+ ,fESDid(0)
+ ,fDE(0.)
+ ,fTruncatedMean(0)
+ ,fNchamberdEdx(0)
+ ,fNclusterdEdx(0)
+ ,fNdEdxSlices(0)
+ ,fkReconstructor(NULL)
+ ,fBackupTrack(NULL)
+ ,fTrackLow(NULL)
+ ,fTrackHigh(NULL)
{
//
// The stand alone tracking constructor
// 2. dQdl calculation
//
- Double_t cnv = 1.0 / (GetBz() * kB2C);
-
+ Double_t b(GetBz());
+ Double_t cnv = (TMath::Abs(b) < 1.e-5) ? 1.e5 : 1./GetBz()/kB2C;
+
Double_t pp[5] = { p[0]
- , p[1]
- , x*p[4] - p[2]
- , p[3]
- , p[4]*cnv };
-
+ , p[1]
+ , p[2]
+ , p[3]
+ , p[4]*cnv };
+
Double_t c22 = x*x*cov[14] - 2*x*cov[12] + cov[ 5];
Double_t c32 = x*cov[13] - cov[ 8];
Double_t c20 = x*cov[10] - cov[ 3];
Double_t c21 = x*cov[11] - cov[ 4];
Double_t c42 = x*cov[14] - cov[12];
-
+
Double_t cc[15] = { cov[ 0]
, cov[ 1], cov[ 2]
, c20, c21, c22
, cov[ 6], cov[ 7], c32, cov[ 9]
, cov[10]*cnv, cov[11]*cnv, c42*cnv, cov[13]*cnv, cov[14]*cnv*cnv };
- Set(x,alpha,pp,cc);
- Double_t s = GetSnp();
- Double_t t = GetTgl();
-
- Int_t ncl = 0, nclPlane; AliTRDcluster *c = 0x0;
- for(int iplane=0; iplane<6; iplane++){
- fTrackletIndex[iplane] = -1;
- fTracklet[iplane] = trklts[iplane];
- nclPlane = 0;
- for(int ic = 0; ic<AliTRDseed::knTimebins; ic++){
- if(!fTracklet[iplane].IsUsable(ic)) continue;
- if(!(c = fTracklet[iplane].GetClusters(ic))) continue;
-
- fIndex[ncl] = fTracklet[iplane].GetIndexes(ic);
- Double_t q = TMath::Abs(c->GetQ());
- fClusters[ncl] = c;
- // temporary !!!
- // This is not correctly. Has to be updated in the AliTRDtrackerV1::FollowBackProlonagation()
- fdQdl[ncl] = q * (s*s < 1.) ? TMath::Sqrt((1-s*s)/(1+t*t)) : 1.;
- ncl++;
- nclPlane++;
- }
- //printf("%d N clusters plane %d [%d %d].\n", iplane, nclPlane, fTracklet[iplane].GetN2(), trklts[iplane].GetN());
- }
- //printf("N clusters in AliTRDtrackV1 %d.\n", ncl);
- SetNumberOfClusters(/*ncl*/);
+ Double_t mostProbablePt=AliExternalTrackParam::GetMostProbablePt();
+ Double_t p0=TMath::Sign(1/mostProbablePt,pp[4]);
+ Double_t w0=cc[14]/(cc[14] + p0*p0), w1=p0*p0/(cc[14] + p0*p0);
+ AliDebug(3, Form("Pt mixing : w0[%4.2f] pt0[%5.3f] w1[%4.2f] pt[%5.3f]", w0, 1./p0, w1, 1./pp[4]));
+
+ pp[4] = w0*p0 + w1*pp[4];
+ cc[10]*=w1; cc[11]*=w1; cc[12]*=w1; cc[13]*=w1; cc[14]*=w1;
+ Set(x,alpha,pp,cc);
+ AliDebug(2, Form("Init @ x[%6.2f] pt[%5.3f]", x, 1./pp[4]));
+ Int_t ncls = 0;
+ for(int iplane=0; iplane<kNplane; iplane++){
+ fTrackletIndex[iplane] = -1;
+ if(!trklts[iplane].IsOK()) fTracklet[iplane] = NULL;
+ else{
+ fTracklet[iplane] = &trklts[iplane];
+ ncls += fTracklet[iplane]->GetN();
+ }
+ }
+ AliKalmanTrack::SetNumberOfClusters(ncls);
+ for(int i =0; i<3; i++) fBudget[i] = 0.;
+
+ Float_t pid = 1./AliPID::kSPECIES;
+ for(int is =0; is<AliPID::kSPECIES; is++) fPID[is] = pid;
+ SetLabel(-123456789); // reset label
}
//_______________________________________________________________
-Bool_t AliTRDtrackV1::CookLabel(Float_t wrong)
+AliTRDtrackV1::~AliTRDtrackV1()
{
- // set MC label for this tracklet
+ // Clean up all objects allocated by the track during its lifetime.
+ AliDebug(2, Form("Deleting track[%d]\n fBackupTrack[%p] fTrackLow[%p] fTrackHigh[%p] Owner[%c].", fESDid, (void*)fBackupTrack, (void*)fTrackLow, (void*)fTrackHigh, TestBit(kOwner)?'y':'n'));
- Int_t s[kMAXCLUSTERSPERTRACK][2];
- for (Int_t i = 0; i < kMAXCLUSTERSPERTRACK; i++) {
- s[i][0] = -1;
- s[i][1] = 0;
- }
-
- Bool_t labelAdded;
- Int_t label;
- AliTRDcluster *c = 0x0;
- for (Int_t ip = 0; ip < AliESDtrack::kNPlane; ip++) {
- if(fTrackletIndex[ip] < 0) continue;
- for (Int_t ic = 0; ic < AliTRDseed::knTimebins; ic++) {
- if(!(c = fTracklet[ip].GetClusters(ic))) continue;
- for (Int_t k = 0; k < 3; k++) {
- label = c->GetLabel(k);
- labelAdded = kFALSE;
- Int_t j = 0;
- if (label >= 0) {
- while ((!labelAdded) && (j < kMAXCLUSTERSPERTRACK)) {
- if ((s[j][0] == label) ||
- (s[j][1] == 0)) {
- s[j][0] = label;
- s[j][1]++;
- labelAdded = kTRUE;
- }
- j++;
- }
- }
- }
- }
- }
-
- Int_t max = 0;
- label = -123456789;
- for (Int_t i = 0; i < kMAXCLUSTERSPERTRACK; i++) {
- if (s[i][1] <= max) continue;
- max = s[i][1];
- label = s[i][0];
- }
+ if(fBackupTrack) delete fBackupTrack; fBackupTrack = NULL;
- if ((1. - Float_t(max)/GetNumberOfClusters()) > wrong) label = -label;
+ if(fTrackLow) delete fTrackLow; fTrackLow = NULL;
+ if(fTrackHigh) delete fTrackHigh; fTrackHigh = NULL;
- SetLabel(label);
-
- return kTRUE;
+ for(Int_t ip=0; ip<kNplane; ip++){
+ if(TestBit(kOwner) && fTracklet[ip]) delete fTracklet[ip];
+ fTracklet[ip] = NULL;
+ fTrackletIndex[ip] = -1;
+ }
}
-
+
//_______________________________________________________________
-Bool_t AliTRDtrackV1::CookPID()
+AliTRDtrackV1 &AliTRDtrackV1::operator=(const AliTRDtrackV1 &t)
{
//
- // Cook the PID information
+ // Assignment operator
//
-// CookdEdx(); // truncated mean ... do we still need it ?
+ if (this != &t) {
+ AliKalmanTrack::operator=(t);
+ ((AliTRDtrackV1 &) t).Copy(*this);
+ }
-// CookdEdxTimBin(seed->GetID());
-
- // Sets the a priori probabilities
- for(int ispec=0; ispec<AliPID::kSPECIES; ispec++) {
- fPID[ispec] = 1.0 / AliPID::kSPECIES;
+ return *this;
+
+}
+
+//_____________________________________________________________________________
+void AliTRDtrackV1::Copy(TObject &t) const
+{
+ //
+ // Copy function
+ //
+
+ ((AliTRDtrackV1 &) t).fStatus = fStatus;
+ ((AliTRDtrackV1 &) t).fESDid = fESDid;
+ ((AliTRDtrackV1 &) t).fDE = fDE;
+ ((AliTRDtrackV1 &) t).fkReconstructor = fkReconstructor;
+ ((AliTRDtrackV1 &) t).fBackupTrack = 0x0;
+ ((AliTRDtrackV1 &) t).fTrackLow = 0x0;
+ ((AliTRDtrackV1 &) t).fTrackHigh = 0x0;
+
+ for(Int_t ip = 0; ip < kNplane; ip++) {
+ ((AliTRDtrackV1 &) t).fTrackletIndex[ip] = fTrackletIndex[ip];
+ ((AliTRDtrackV1 &) t).fTracklet[ip] = fTracklet[ip];
}
-
- // steer PID calculation @ tracklet level
- Double_t *prob = 0x0;
- fPIDquality = 0;
- for(int itrklt=0; itrklt<AliESDtrack::kNPlane; itrklt++){
- //for (Int_t iSlice = 0; iSlice < AliESDtrack::kNSlice; iSlice++) fdEdxPlane[itrklt][iSlice] = -1.;
-
- if(fTrackletIndex[itrklt]<0) continue;
- if(!fTracklet[itrklt].IsOK()) continue;
- if(!(prob = fTracklet[itrklt].GetProbability())) return kFALSE;
-
- Int_t nspec = 0; // quality check of tracklet dEdx
- for(int ispec=0; ispec<AliPID::kSPECIES; ispec++){
- if(prob[ispec] < 0.) continue;
- fPID[ispec] *= prob[ispec];
- nspec++;
- }
- if(!nspec) continue;
-
- fPIDquality++;
- }
-
- // no tracklet found for PID calculations
- if(!fPIDquality) return kTRUE;
+ if (fTrackLow) {
+ ((AliTRDtrackV1 &) t).fTrackLow = new AliExternalTrackParam(*fTrackLow);
+ }
+ if (fTrackHigh){
+ ((AliTRDtrackV1 &) t).fTrackHigh = new AliExternalTrackParam(*fTrackHigh);
+ }
+
+ for (Int_t i = 0; i < 3; i++) {
+ ((AliTRDtrackV1 &) t).fBudget[i] = fBudget[i];
+ }
+ for (Int_t is = 0; is < AliPID::kSPECIES; is++) {
+ ((AliTRDtrackV1 &) t).fPID[is] = fPID[is];
+ }
- // slot for PID calculation @ track level
-
+}
- // normalize probabilities
- Double_t probTotal = 0.0;
- for (Int_t is = 0; is < AliPID::kSPECIES; is++) probTotal += fPID[is];
+//_______________________________________________________________
+Int_t AliTRDtrackV1::CookLabel(Float_t wrong, Int_t *labs, Float_t *freq)
+{
+// Set MC label for this track
+// On demand i.e. if arrays "labs" and "freq" are allocated by user returns :
+// nlabs = the no of distinct labels
+// labs = array of distinct labels in decreasing order of frequency
+// freq = frequency of each label in decreasing order
+ Int_t ncl(0);
+ if(!(ncl = GetNumberOfClusters())) return 0;
- if (probTotal <= 0.0) {
- AliWarning("The total probability over all species <= 0. This may be caused by some error in the reference data.");
+ Int_t s[2][kMAXCLUSTERSPERTRACK];
+ for (Int_t i = 0; i < kMAXCLUSTERSPERTRACK; i++) {
+ s[0][i] = -1;
+ s[1][i] = 0;
+ }
+
+ Int_t label(-123456789), nlabels(0);
+ AliTRDcluster *c(NULL);
+ for (Int_t ip(0); ip < AliTRDgeometry::kNlayer; ip++) {
+ if(fTrackletIndex[ip]<0 || !fTracklet[ip]) continue;
+ for (Int_t ic(0); ic < AliTRDseedV1::kNclusters; ic++) {
+ if(!(c = fTracklet[ip]->GetClusters(ic))) continue;
+ for (Int_t k(0); k < 3; k++) {
+ if ((label = c->GetLabel(k)) < 0) continue;
+ Int_t j(0);
+ while(j < kMAXCLUSTERSPERTRACK){
+ if(s[0][j]!=label && s[1][j]!=0){j++; continue;}
+ if(!s[1][j]) nlabels++;
+ s[0][j] = label; s[1][j]++;
+ break;
+ }
+ }
+ }
+ }
+ //printf(" Found %4d labels\n", nlabels);
+ Float_t prob(1.);
+ if(!nlabels){
+ AliError(Form("No MC labels found for track %d.", fESDid));
+ return 0;
+ } else if(nlabels==1) {
+ label = s[0][0];
+ if(labs && freq){labs[0]=label; freq[0]=1.;}
+ } else {
+ Int_t idx[kMAXCLUSTERSPERTRACK];
+ TMath::Sort(nlabels, s[1], idx);
+ label = s[0][idx[0]]; prob = s[1][idx[0]]/Float_t(ncl);
+ if(labs && freq){
+ for (Int_t i(0); i<nlabels; i++){
+ labs[i] = s[0][idx[i]];
+ freq[i] = s[1][idx[i]]/Float_t(ncl);
+ }
+ }
+ }
+ SetLabel((1.-prob > wrong)?-label:label);
+ return nlabels;
+}
+
+//_______________________________________________________________
+Bool_t AliTRDtrackV1::CookPID()
+{
+//
+// Cook the PID information for the track by delegating the omonim function of the tracklets.
+// Computes the number of tracklets used. The tracklet information are considered independent.
+// For the moment no global track measurement of PID is performed as for example to estimate
+// bremsstrahlung probability based on global chi2 of the track.
+//
+// The status bit AliESDtrack::kTRDpid is set during the call of AliTRDtrackV1::UpdateESDtrack().The PID performance of the
+//TRD for tracks with 6 tacklets is displayed below.
+//Begin_Html
+//<img src="TRD/trackPID.gif">
+//End_Html
+//
+ const AliTRDPIDResponse *pidResponse = AliTRDcalibDB::Instance()->GetPIDResponse(fkReconstructor->GetRecoParam()->GetPIDmethod());
+ if(!pidResponse){
+ AliError("PID Response not available");
return kFALSE;
}
+ Double_t dEdx[kNplane * (Int_t)AliTRDseedV1::kNdEdxSlices] = {0.};
+ Float_t trackletP[kNplane] = {0.};
+
+ fNdEdxSlices = pidResponse->GetNumberOfSlices();
+ for(Int_t iseed = 0; iseed < kNplane; iseed++){
+ if(!fTracklet[iseed]) continue;
+ trackletP[iseed] = fTracklet[iseed]->GetMomentum();
+// if(pidResponse->GetPIDmethod() == AliTRDPIDResponse::kLQ1D){
+ dEdx[iseed] = fTracklet[iseed]->GetdQdl();
+/* } else {
+ fTracklet[iseed]->CookdEdx(fNdEdxSlices);
+ const Float_t *trackletdEdx = fTracklet[iseed]->GetdEdx();
+ for(Int_t islice = 0; islice < fNdEdxSlices; islice++){
+ dEdx[iseed*fNdEdxSlices + islice] = trackletdEdx[islice];
+ }
+ }*/
+ }
+ pidResponse->GetResponse(fNdEdxSlices, dEdx, trackletP, fPID);
+
+ static Int_t nprint = 0;
+ if(!nprint){
+ AliTRDdEdxBaseUtils::PrintControl();
+ nprint++;
+ }
+
+ //do truncated mean
+ AliTRDdEdxCalibUtils::SetObjArray(AliTRDcalibDB::Instance()->GetPHQ());
+ const Double_t mag = AliTRDdEdxBaseUtils::IsExBOn() ? GetBz() : -1;
+ const Double_t charge = AliTRDdEdxBaseUtils::IsExBOn() ? Charge() : -1;
+ fTruncatedMean = CookTruncatedMean(0, mag, charge, kTRUE, fNchamberdEdx, fNclusterdEdx);
+
+ return kTRUE;
+}
+
+//___________________________________________________________
+UChar_t AliTRDtrackV1::GetNumberOfTrackletsPID() const
+{
+// Retrieve number of tracklets used for PID calculation.
+
+ UChar_t nPID = 0;
+ for(int ip=0; ip<kNplane; ip++){
+ if(fTrackletIndex[ip]<0 || !fTracklet[ip]) continue;
+ if(!fTracklet[ip]->IsOK()) continue;
+
+ nPID++;
+ }
+ return nPID;
+}
+
+//_______________________________________________________________
+AliTRDcluster* AliTRDtrackV1::GetCluster(Int_t id)
+{
+ // Get the cluster at a certain position in the track
+ Int_t n = 0;
+ for(Int_t ip=0; ip<kNplane; ip++){
+ if(!fTracklet[ip]) continue;
+ if(n+fTracklet[ip]->GetN() <= id){
+ n+=fTracklet[ip]->GetN();
+ continue;
+ }
+ AliTRDcluster *c = NULL;
+ for(Int_t ic=AliTRDseedV1::kNclusters; ic--;){
+ if(!(c = fTracklet[ip]->GetClusters(ic))) continue;
+
+ if(n<id){n++; continue;}
+ return c;
+ }
+ }
+ return NULL;
+}
+
+//_______________________________________________________________
+Int_t AliTRDtrackV1::GetClusterIndex(Int_t id) const
+{
+ // Get the cluster index at a certain position in the track
+ Int_t n = 0;
+ for(Int_t ip=0; ip<kNplane; ip++){
+ if(!fTracklet[ip]) continue;
+ if(n+fTracklet[ip]->GetN() <= id){
+ n+=fTracklet[ip]->GetN();
+ continue;
+ }
+ for(Int_t ic=AliTRDseedV1::kNclusters; ic--;){
+ if(!(fTracklet[ip]->GetClusters(ic))) continue;
+ if(n<id){n++; continue;}
+ return fTracklet[ip]->GetIndexes(ic);
+ }
+ }
+ return -1;
+}
+
+//_______________________________________________________________
+Double_t AliTRDtrackV1::GetPredictedChi2(const AliTRDseedV1 *trklt, Double_t *cov) const
+{
+// Compute chi2 between tracklet and track. The value is calculated at the radial position of the track
+// equal to the reference radial position of the tracklet (see AliTRDseedV1)
+//
+// The chi2 estimator is computed according to the following formula
+// BEGIN_LATEX
+// #chi^{2}=(X_{trklt}-X_{track})(C_{trklt}+C_{track})^{-1}(X_{trklt}-X_{track})^{T}
+// END_LATEX
+// where X=(y z), the position of the track/tracklet in the yz plane
+//
+
+ Double_t p[2] = { trklt->GetY(), trklt->GetZ()};
+ trklt->GetCovAt(trklt->GetX(), cov);
+ return AliExternalTrackParam::GetPredictedChi2(p, cov);
+}
+
+//_______________________________________________________________
+Int_t AliTRDtrackV1::GetSector() const
+{
+ return Int_t(GetAlpha()/AliTRDgeometry::GetAlpha() + (GetAlpha()>0. ? 0 : AliTRDgeometry::kNsector));
+}
- for (Int_t iSpecies = 0; iSpecies < AliPID::kSPECIES; iSpecies++) fPID[iSpecies] /= probTotal;
+//_______________________________________________________________
+Bool_t AliTRDtrackV1::IsEqual(const TObject *o) const
+{
+ // Checks whether two tracks are equal
+ if (!o) return kFALSE;
+ const AliTRDtrackV1 *inTrack = dynamic_cast<const AliTRDtrackV1*>(o);
+ if (!inTrack) return kFALSE;
+
+ //if ( fPIDquality != inTrack->GetPIDquality() ) return kFALSE;
+
+ if(memcmp(fPID, inTrack->fPID, AliPID::kSPECIES*sizeof(Double32_t))) return kFALSE;
+ if(memcmp(fBudget, inTrack->fBudget, 3*sizeof(Double32_t))) return kFALSE;
+ if(memcmp(&fDE, &inTrack->fDE, sizeof(Double32_t))) return kFALSE;
+ if(memcmp(&fFakeRatio, &inTrack->fFakeRatio, sizeof(Double32_t))) return kFALSE;
+ if(memcmp(&fChi2, &inTrack->fChi2, sizeof(Double32_t))) return kFALSE;
+ if(memcmp(&fMass, &inTrack->fMass, sizeof(Double32_t))) return kFALSE;
+ if( fLab != inTrack->fLab ) return kFALSE;
+ if( fN != inTrack->fN ) return kFALSE;
+ Double32_t l(0.), in(0.);
+ l = GetIntegratedLength(); in = inTrack->GetIntegratedLength();
+ if(memcmp(&l, &in, sizeof(Double32_t))) return kFALSE;
+ l=GetX(); in=inTrack->GetX();
+ if(memcmp(&l, &in, sizeof(Double32_t))) return kFALSE;
+ l = GetAlpha(); in = inTrack->GetAlpha();
+ if(memcmp(&l, &in, sizeof(Double32_t))) return kFALSE;
+ if(memcmp(GetParameter(), inTrack->GetParameter(), 5*sizeof(Double32_t))) return kFALSE;
+ if(memcmp(GetCovariance(), inTrack->GetCovariance(), 15*sizeof(Double32_t))) return kFALSE;
+
+ for (Int_t iTracklet = 0; iTracklet < kNplane; iTracklet++){
+ AliTRDseedV1 *curTracklet = fTracklet[iTracklet];
+ AliTRDseedV1 *inTracklet = inTrack->GetTracklet(iTracklet);
+ if (curTracklet && inTracklet){
+ if (! curTracklet->IsEqual(inTracklet) ) {
+ curTracklet->Print();
+ inTracklet->Print();
+ return kFALSE;
+ }
+ } else {
+ // if one tracklet exists, and corresponding
+ // in other track doesn't - return kFALSE
+ if(inTracklet || curTracklet) return kFALSE;
+ }
+ }
return kTRUE;
}
//_______________________________________________________________
-Float_t AliTRDtrackV1::GetMomentum(Int_t plane) const
+Bool_t AliTRDtrackV1::IsElectron() const
+{
+ if(GetPID(0) > fkReconstructor->GetRecoParam()->GetPIDThreshold(GetP())) return kTRUE;
+ return kFALSE;
+}
+
+
+//_____________________________________________________________________________
+Int_t AliTRDtrackV1::MakeBackupTrack()
+{
+//
+// Creates a backup track
+// TO DO update quality check of the track.
+//
+
+ Float_t occupancy(0.); Int_t n(0), ncls(0);
+ for(Int_t il(AliTRDgeometry::kNlayer); il--;){
+ if(!fTracklet[il]) continue;
+ n++;
+ occupancy+=fTracklet[il]->GetTBoccupancy()/AliTRDseedV1::kNtb;
+ ncls += fTracklet[il]->GetN();
+ }
+ if(!n) return -1;
+ occupancy/=n;
+
+ //Float_t ratio1 = Float_t(t.GetNumberOfClusters()+1) / Float_t(t.GetNExpected()+1);
+
+ Int_t failedCutId(0);
+ if(GetChi2()/n > 5.0) failedCutId=1;
+ if(occupancy < 0.7) failedCutId=2;
+ //if(ratio1 > 0.6) &&
+ //if(ratio0+ratio1 > 1.5) &&
+ if(GetNCross() != 0) failedCutId=3;
+ if(TMath::Abs(GetSnp()) > 0.85) failedCutId=4;
+ if(ncls < 20) failedCutId=5;
+
+ if(failedCutId){
+ AliDebug(2, Form("\n"
+ "chi2/tracklet < 5.0 [%c] %5.2f\n"
+ "occupancy > 0.7 [%c] %4.2f\n"
+ "NCross == 0 [%c] %d\n"
+ "Abs(snp) < 0.85 [%c] %4.2f\n"
+ "NClusters > 20 [%c] %d"
+ ,(GetChi2()/n<5.0)?'y':'n', GetChi2()/n
+ ,(occupancy>0.7)?'y':'n', occupancy
+ ,(GetNCross()==0)?'y':'n', GetNCross()
+ ,(TMath::Abs(GetSnp())<0.85)?'y':'n', TMath::Abs(GetSnp())
+ ,(ncls>20)?'y':'n', ncls
+ ));
+ return failedCutId;
+ }
+
+ if(fBackupTrack) {
+ fBackupTrack->~AliTRDtrackV1();
+ new(fBackupTrack) AliTRDtrackV1((AliTRDtrackV1&)(*this));
+ return 0;
+ }
+ fBackupTrack = new AliTRDtrackV1((AliTRDtrackV1&)(*this));
+ return 0;
+}
+
+//_____________________________________________________________________________
+Int_t AliTRDtrackV1::GetProlongation(Double_t xk, Double_t &y, Double_t &z) const
{
//
- // Get the momentum at a given plane
+ // Find a prolongation at given x
+ // Return -1 if it does not exist
+ //
+
+ Double_t bz = GetBz();
+ if (!AliExternalTrackParam::GetYAt(xk,bz,y)) return -1;
+ if (!AliExternalTrackParam::GetZAt(xk,bz,z)) return -1;
+
+ return 1;
+
+}
+
+//_____________________________________________________________________________
+Bool_t AliTRDtrackV1::PropagateTo(Double_t xk, Double_t xx0, Double_t xrho)
+{
+ //
+ // Propagates this track to a reference plane defined by "xk" [cm]
+ // correcting for the mean crossed material.
//
+ // "xx0" - thickness/rad.length [units of the radiation length]
+ // "xrho" - thickness*density [g/cm^2]
+ //
+
+ if (TMath::Abs(xk - GetX())<AliTRDReconstructor::GetEpsilon()*0.1) return kTRUE; // 10% of the tracker precision
+
+ Double_t xyz0[3] = {GetX(), GetY(), GetZ()}, // track position BEFORE propagation
+ b[3]; // magnetic field
+ GetBxByBz(b);
+ if(!AliExternalTrackParam::PropagateToBxByBz(xk,b)) return kFALSE;
+
+ // local track position AFTER propagation
+ Double_t xyz1[3] = {GetX(), GetY(), GetZ()};
+// printf("x0[%6.2f] -> x1[%6.2f] dx[%6.2f] rho[%f]\n", xyz0[0], xyz1[0], xyz0[0]-xk, xrho/TMath::Abs(xyz0[0]-xk));
+ if(xyz0[0] < xk) {
+ xrho = -xrho;
+ if (IsStartedTimeIntegral()) {
+ Double_t l2 = TMath::Sqrt((xyz1[0]-xyz0[0])*(xyz1[0]-xyz0[0])
+ + (xyz1[1]-xyz0[1])*(xyz1[1]-xyz0[1])
+ + (xyz1[2]-xyz0[2])*(xyz1[2]-xyz0[2]));
+ Double_t crv = AliExternalTrackParam::GetC(b[2]);
+ if (TMath::Abs(l2*crv) > 0.0001) {
+ // Make correction for curvature if neccesary
+ l2 = 0.5 * TMath::Sqrt((xyz1[0]-xyz0[0])*(xyz1[0]-xyz0[0])
+ + (xyz1[1]-xyz0[1])*(xyz1[1]-xyz0[1]));
+ l2 = 2.0 * TMath::ASin(l2 * crv) / crv;
+ l2 = TMath::Sqrt(l2*l2 + (xyz1[2]-xyz0[2])*(xyz1[2]-xyz0[2]));
+ }
+ AddTimeStep(l2);
+ }
+ }
+ if (!AliExternalTrackParam::CorrectForMeanMaterial(xx0, xrho, fMass)) return kFALSE;
+
+
+ {
+
+ // Energy losses
+ Double_t p2 = (1.0 + GetTgl()*GetTgl()) / (GetSigned1Pt()*GetSigned1Pt());
+ if (fMass<0) p2 *= 4; // q=2
+ Double_t beta2 = p2 / (p2 + fMass*fMass);
+ if ((beta2 < 1.0e-10) ||
+ ((5940.0 * beta2/(1.0 - beta2 + 1.0e-10) - beta2) < 0.0)) {
+ return kFALSE;
+ }
+
+ Double_t dE = 0.153e-3 / beta2
+ * (TMath::Log(5940.0 * beta2/(1.0 - beta2 + 1.0e-10)) - beta2)
+ * xrho;
+ if (fMass<0) dE *= 4; // q=2
+ fBudget[0] += xrho;
+
+ /*
+ // Suspicious part - think about it ?
+ Double_t kinE = TMath::Sqrt(p2);
+ if (dE > 0.8*kinE) dE = 0.8 * kinE; //
+ if (dE < 0) dE = 0.0; // Not valid region for Bethe bloch
+ */
+
+ fDE += dE;
+
+ /*
+ // Suspicious ! I.B.
+ Double_t sigmade = 0.07 * TMath::Sqrt(TMath::Abs(dE)); // Energy loss fluctuation
+ Double_t sigmac2 = sigmade*sigmade*fC*fC*(p2+fMass*fMass)/(p2*p2);
+ fCcc += sigmac2;
+ fCee += fX*fX * sigmac2;
+ */
+
+ }
- return plane >=0 && plane < 6 && fTrackletIndex[plane] >= 0 ? fTracklet[plane].GetMomentum() : -1.;
+ return kTRUE;
}
-//_______________________________________________________________
-Double_t AliTRDtrackV1::GetPredictedChi2(const AliTRDseedV1 *trklt) const
+//_____________________________________________________________________________
+Int_t AliTRDtrackV1::PropagateToR(Double_t r,Double_t step)
{
//
- // Get the predicted chi2
+ // Propagate track to the radial position
+ // Rotation always connected to the last track position
//
- Double_t x = trklt->GetX0();
- Double_t p[2] = { trklt->GetYat(x)
- , trklt->GetZat(x) };
- Double_t cov[3];
- trklt->GetCovAt(x, cov);
+ Double_t xyz0[3];
+ Double_t xyz1[3];
+ Double_t y;
+ Double_t z;
+
+ Double_t radius = TMath::Sqrt(GetX()*GetX() + GetY()*GetY());
+ // Direction +-
+ Double_t dir = (radius > r) ? -1.0 : 1.0;
+
+ for (Double_t x = radius+dir*step; dir*x < dir*r; x += dir*step) {
+
+ GetXYZ(xyz0);
+ Double_t alpha = TMath::ATan2(xyz0[1],xyz0[0]);
+ Rotate(alpha,kTRUE);
+ GetXYZ(xyz0);
+ if(GetProlongation(x,y,z)<0) return -1;
+ xyz1[0] = x * TMath::Cos(alpha) + y * TMath::Sin(alpha);
+ xyz1[1] = x * TMath::Sin(alpha) - y * TMath::Cos(alpha);
+ xyz1[2] = z;
+ Double_t param[7];
+ if(AliTracker::MeanMaterialBudget(xyz0,xyz1,param)<=0.) return -1;
+ if (param[1] <= 0) {
+ param[1] = 100000000;
+ }
+ PropagateTo(x,param[1],param[0]*param[4]);
+
+ }
+
+ GetXYZ(xyz0);
+ Double_t alpha = TMath::ATan2(xyz0[1],xyz0[0]);
+ Rotate(alpha,kTRUE);
+ GetXYZ(xyz0);
+ if(GetProlongation(r,y,z)<0) return -1;
+ xyz1[0] = r * TMath::Cos(alpha) + y * TMath::Sin(alpha);
+ xyz1[1] = r * TMath::Sin(alpha) - y * TMath::Cos(alpha);
+ xyz1[2] = z;
+ Double_t param[7];
+ if(AliTracker::MeanMaterialBudget(xyz0,xyz1,param) <= 0.) return -1;
+
+ if (param[1] <= 0) {
+ param[1] = 100000000;
+ }
+ PropagateTo(r,param[1],param[0]*param[4]);
- return AliExternalTrackParam::GetPredictedChi2(p, cov);
+ return 0;
}
-//_______________________________________________________________
-Bool_t AliTRDtrackV1::IsOwner() const
+//_____________________________________________________________________________
+void AliTRDtrackV1::Print(Option_t *o) const
+{
+ // Print track status
+ AliInfo(Form("PID [%4.1f %4.1f %4.1f %4.1f %4.1f]", 1.E2*fPID[0], 1.E2*fPID[1], 1.E2*fPID[2], 1.E2*fPID[3], 1.E2*fPID[4]));
+ AliInfo(Form("Material[%5.2f %5.2f %5.2f]", fBudget[0], fBudget[1], fBudget[2]));
+
+ AliInfo(Form("x[%7.2f] t[%7.4f] alpha[%f] mass[%f]", GetX(), GetIntegratedLength(), GetAlpha(), fMass));
+ AliInfo(Form("Ntr[%1d] NtrPID[%1d] Ncl[%3d] lab[%3d]", GetNumberOfTracklets(), GetNumberOfTrackletsPID(), fN, fLab));
+
+ printf("|X| = (");
+ const Double_t *curP = GetParameter();
+ for (Int_t i = 0; i < 5; i++) printf("%7.2f ", curP[i]);
+ printf(")\n");
+
+ printf("|V| = \n");
+ const Double_t *curC = GetCovariance();
+ for (Int_t i = 0, j=4, k=0; i<15; i++, k++){
+ printf("%7.2f ", curC[i]);
+ if(k==j){
+ printf("\n");
+ k=-1; j--;
+ }
+ }
+ if(strcmp(o, "a")!=0) return;
+
+ for(Int_t ip=0; ip<kNplane; ip++){
+ if(!fTracklet[ip]) continue;
+ fTracklet[ip]->Print(o);
+ }
+}
+
+
+//_____________________________________________________________________________
+Bool_t AliTRDtrackV1::Rotate(Double_t alpha, Bool_t absolute)
{
//
- // Check whether track owns the tracklets
- //
+ // Rotates track parameters in R*phi plane
+ // if absolute rotation alpha is in global system
+ // otherwise alpha rotation is relative to the current rotation angle
+ //
- for (Int_t ip = 0; ip < AliESDtrack::kNPlane; ip++) {
- if(fTrackletIndex[ip] < 0) continue;
- if(!fTracklet[ip].IsOwner()) return kFALSE;
- }
- return kTRUE;
+ if (absolute) alpha -= GetAlpha();
+ //else fNRotate++;
+
+ return AliExternalTrackParam::Rotate(GetAlpha()+alpha);
}
-
+
//___________________________________________________________
void AliTRDtrackV1::SetNumberOfClusters()
{
// Calculate the number of clusters attached to this track
- Int_t ncls = 0;
- for(int ip=0; ip<6; ip++){
- if(fTrackletIndex[ip] >= 0) ncls += fTracklet[ip].GetN();
- }
- AliKalmanTrack::SetNumberOfClusters(ncls);
+ Int_t ncls = 0;
+ for(int ip=0; ip<kNplane; ip++){
+ if(fTracklet[ip] && fTrackletIndex[ip] >= 0) ncls += fTracklet[ip]->GetN();
+ }
+ AliKalmanTrack::SetNumberOfClusters(ncls);
}
//_______________________________________________________________
-void AliTRDtrackV1::SetOwner(Bool_t own)
+void AliTRDtrackV1::SetOwner()
{
//
// Toggle ownership of tracklets
//
- for (Int_t ip = 0; ip < AliESDtrack::kNPlane; ip++) {
- if(fTrackletIndex[ip] < 0) continue;
- //AliInfo(Form("p[%d] index[%d]", ip, fTrackletIndex[ip]));
- fTracklet[ip].SetOwner(own);
- }
+ if(TestBit(kOwner)) return;
+ for (Int_t ip = 0; ip < kNplane; ip++) {
+ if(fTrackletIndex[ip]<0 || !fTracklet[ip]) continue;
+ fTracklet[ip] = new AliTRDseedV1(*fTracklet[ip]);
+ fTracklet[ip]->SetOwner();
+ }
+ SetBit(kOwner);
}
//_______________________________________________________________
-void AliTRDtrackV1::SetTracklet(AliTRDseedV1 *trklt, Int_t plane, Int_t index)
+void AliTRDtrackV1::SetTracklet(AliTRDseedV1 *const trklt, Int_t index)
{
//
// Set the tracklets
//
+ Int_t plane = trklt->GetPlane();
+
+ fTracklet[plane] = trklt;
+ fTrackletIndex[plane] = index;
+}
- if(plane < 0 || plane >= AliESDtrack::kNPlane) return;
- fTracklet[plane] = (*trklt);
- fTrackletIndex[plane] = index;
+//_______________________________________________________________
+void AliTRDtrackV1::SetTrackIn()
+{
+// Save location of birth for the TRD track
+// If the pointer is not valid allocate memory
+//
+ const AliExternalTrackParam *op = dynamic_cast<const AliExternalTrackParam*>(this);
+
+ //printf("SetTrackIn() : fTrackLow[%p]\n", (void*)fTrackLow);
+ if(fTrackLow){
+ fTrackLow->~AliExternalTrackParam();
+ new(fTrackLow) AliExternalTrackParam(*op);
+ } else fTrackLow = new AliExternalTrackParam(*op);
}
//_______________________________________________________________
-Bool_t AliTRDtrackV1::Update(AliTRDseedV1 *trklt, Double_t chisq)
+void AliTRDtrackV1::SetTrackOut(const AliExternalTrackParam *op)
+{
+// Save location of death for the TRD track
+// If the pointer is not valid allocate memory
+//
+ if(!op) op = dynamic_cast<const AliExternalTrackParam*>(this);
+ if(fTrackHigh){
+ fTrackHigh->~AliExternalTrackParam();
+ new(fTrackHigh) AliExternalTrackParam(*op);
+ } else fTrackHigh = new AliExternalTrackParam(*op);
+}
+
+//_______________________________________________________________
+void AliTRDtrackV1::UnsetTracklet(Int_t plane)
+{
+ if(plane<0) return;
+ fTrackletIndex[plane] = -1;
+ fTracklet[plane] = NULL;
+}
+
+
+//_______________________________________________________________
+void AliTRDtrackV1::UpdateChi2(Float_t chi2)
+{
+// Update chi2/track with one tracklet contribution
+ SetChi2(GetChi2() + chi2);
+}
+
+//_______________________________________________________________
+void AliTRDtrackV1::UpdateESDtrack(AliESDtrack *track)
{
//
- // Update track parameters
+ // Update the TRD PID information in the ESD track
//
- Double_t x = trklt->GetX0();
- Double_t p[2] = { trklt->GetYat(x)
- , trklt->GetZat(x) };
- Double_t cov[3];
- trklt->GetCovAt(x, cov);
-
-// Print();
-// AliInfo(Form("cov[%f %f %f]", cov[0], cov[1], cov[2]));
-
- if(!AliExternalTrackParam::Update(p, cov)) return kFALSE;
- //Print();
-
- // Register info to track
-// Int_t n = GetNumberOfClusters();
-// fIndex[n] = index;
-// fClusters[n] = c;
- SetNumberOfClusters(/*GetNumberOfClusters()+trklt->GetN()*/);
- SetChi2(GetChi2() + chisq);
-
- // update tracklet
- trklt->SetMomentum(GetP());
- trklt->SetSnp(GetSnp());
- trklt->SetTgl(GetTgl());
- return kTRUE;
+// Int_t nslices = AliTRDcalibDB::Instance()->GetPIDResponse(fkReconstructor->GetRecoParam()->GetPIDmethod())->GetNumberOfSlices();
+ // number of tracklets used for PID calculation
+ UChar_t nPID = GetNumberOfTrackletsPID();
+ // number of tracklets attached to the track
+ UChar_t nTrk = GetNumberOfTracklets();
+ // pack the two numbers together and store them in the ESD
+ track->SetTRDntracklets(nPID | (nTrk<<3));
+ // allocate space to store raw PID signals dEdx & momentum
+ // independent of the method used to calculate PID (see below AliTRDPIDResponse)
+ track->SetNumberOfTRDslices((AliTRDseedV1::kNdEdxSlices+2)*AliTRDgeometry::kNlayer);
+ // store raw signals
+ Float_t p, sp; Double_t spd;
+ for (Int_t ip = 0; ip < kNplane; ip++) {
+ if(fTrackletIndex[ip]<0 || !fTracklet[ip]) continue;
+ // Fill TRD dEdx info into ESD track
+ // a. Set Summed dEdx into the first slice
+ track->SetTRDslice(fTracklet[ip]->GetdQdl(), ip, 0);
+ // b. Set NN dEdx slices
+ fTracklet[ip]->CookdEdx(AliTRDPIDResponse::kNslicesNN);
+ const Float_t *dedx = fTracklet[ip]->GetdEdx();
+ for (Int_t js(0), ks(1); js < AliTRDPIDResponse::kNslicesNN; js++, ks++, dedx++){
+ if(ks>=AliTRDseedV1::kNdEdxSlices){
+ AliError(Form("Exceed allocated space for dEdx slices."));
+ break;
+ }
+ track->SetTRDslice(*dedx, ip, ks);
+ }
+ // fill TRD momentum info into ESD track
+ p = fTracklet[ip]->GetMomentum(&sp); spd = sp;
+ track->SetTRDmomentum(p, ip, &spd);
+ // store global quality per tracklet instead of momentum error
+ // 26.09.11 A.Bercuci
+ // first implementation store no. of time bins filled in tracklet (5bits see "y" bits) and
+ // no. of double clusters in case of pad row cross (4bits see "x" bits)
+ // bit map for tracklet quality xxxxyyyyy
+ // 27.10.11 A.Bercuci
+ // add chamber status bit "z" bit
+ // bit map for tracklet quality zxxxxyyyyy
+ // 12.11.11 A.Bercuci
+ // fit tracklet quality into the field fTRDTimeBin [Char_t]
+ // bit map for tracklet quality zxxyyyyy
+ // The information should be retrieved by the following functions of AliESDtrack for each TRD layer
+ // GetTRDtrkltOccupancy(layer) -> no of TB filled in tracklet
+ // GetTRDtrkltClCross(layer) -> no of TB filled in crossing pad rows
+ // IsTRDtrkltChmbGood(layer) -> status of the chamber from which the tracklet is found
+ Int_t nCross(fTracklet[ip]->IsRowCross()?fTracklet[ip]->GetTBcross():0); if(nCross>3) nCross = 3;
+ Char_t trackletQ = Char_t(fTracklet[ip]->GetTBoccupancy() | (nCross<<5) | (fTracklet[ip]->IsChmbGood()<<7));
+ track->SetTRDTimBin(trackletQ, ip);
+ }
+ // store PID probabilities
+ track->SetTRDpid(fPID);
+
+ //store truncated mean
+ track->SetTRDsignal(fTruncatedMean);
+ track->SetTRDNchamberdEdx(fNchamberdEdx);
+ track->SetTRDNclusterdEdx(fNclusterdEdx);
}
//_______________________________________________________________
-void AliTRDtrackV1::UpdateESDtrack(AliESDtrack *track)
+Double_t AliTRDtrackV1::CookTruncatedMean(const Bool_t kinvq, const Double_t mag, const Int_t charge, const Int_t kcalib, Int_t &nch, Int_t &ncls, TVectorD *Qs, TVectorD *Xs, Int_t timeBin0, Int_t timeBin1, Int_t tstep) const
{
//
- // Update the ESD track
+ //Origin: Xianguo Lu <xianguo.lu@cern.ch>, Marian Ivanov <marian.ivanov@cern.ch>
//
-
- // copy dEdx to ESD
- Float_t *dedx = 0x0;
- for (Int_t ip = 0; ip < AliESDtrack::kNPlane; ip++) {
- if(fTrackletIndex[ip] < 0) continue;
- fTracklet[ip].CookdEdx(AliESDtrack::kNSlice);
- dedx = fTracklet[ip].GetdEdx();
- for (Int_t js = 0; js < AliESDtrack::kNSlice; js++) track->SetTRDsignals(dedx[js], ip, js);
- //track->SetTRDTimBin(fTimBinPlane[i], i);
- }
-
- // copy PID to ESD
- track->SetTRDpid(fPID);
- track->SetTRDpidQuality(fPIDquality);
+
+ TVectorD arrayQ(200), arrayX(200);
+ ncls = AliTRDdEdxReconUtils::GetArrayClusterQ(kinvq, &arrayQ, &arrayX, this, timeBin0, timeBin1, tstep);
+
+ const TObjArray *cobj = kcalib ? AliTRDdEdxCalibUtils::GetObj(kinvq, mag, charge) : NULL;
+
+ const Double_t tmean = AliTRDdEdxReconUtils::ToyCook(kinvq, ncls, &arrayQ, &arrayX, cobj);
+
+ nch = AliTRDdEdxReconUtils::UpdateArrayX(ncls, &arrayX);
+
+ if(Qs && Xs){
+ (*Qs)=arrayQ;
+ (*Xs)=arrayX;
+ }
+
+ //printf("\ntest %.10f %d %d\n", tmean, nch, ncls);
+
+ return tmean;
+}
+
+//_______________________________________________________________
+TObject* AliTRDtrackV1::Clone(const char* newname) const
+{
+ // temporary override TObject::Clone to avoid crashes in reco
+ AliTRDtrackV1* src = (AliTRDtrackV1*)this;
+ Bool_t isown = src->IsOwner();
+ AliInfo(Form("src_owner %d",isown));
+ AliTRDtrackV1* dst = new AliTRDtrackV1(*src);
+ if (isown) {
+ src->SetBit(kOwner);
+ dst->SetOwner();
+ }
+ return dst;
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff