//_______________________________________________________________
AliTRDtrackV1::AliTRDtrackV1() : AliKalmanTrack()
,fStatus(0)
+ ,fESDid(0)
,fDE(0.)
- ,fReconstructor(0x0)
- ,fBackupTrack(0x0)
- ,fTrackLow(0x0)
- ,fTrackHigh(0x0)
+ ,fkReconstructor(NULL)
+ ,fBackupTrack(NULL)
+ ,fTrackLow(NULL)
+ ,fTrackHigh(NULL)
{
//
// Default constructor
for(int is =0; is<AliPID::kSPECIES; is++) fPID[is] = pid;
for(int ip=0; ip<kNplane; ip++){
- fTrackletIndex[ip] = 0xffff;
- fTracklet[ip] = 0x0;
+ fTrackletIndex[ip] = -1;
+ fTracklet[ip] = NULL;
}
}
//_______________________________________________________________
AliTRDtrackV1::AliTRDtrackV1(const AliTRDtrackV1 &ref) : AliKalmanTrack(ref)
,fStatus(ref.fStatus)
+ ,fESDid(ref.fESDid)
,fDE(ref.fDE)
- ,fReconstructor(ref.fReconstructor)
- ,fBackupTrack(0x0)
- ,fTrackLow(0x0)
- ,fTrackHigh(0x0)
+ ,fkReconstructor(ref.fkReconstructor)
+ ,fBackupTrack(NULL)
+ ,fTrackLow(NULL)
+ ,fTrackHigh(NULL)
{
//
// Copy constructor
//_______________________________________________________________
AliTRDtrackV1::AliTRDtrackV1(const AliESDtrack &t) : AliKalmanTrack()
,fStatus(0)
+ ,fESDid(0)
,fDE(0.)
- ,fReconstructor(0x0)
- ,fBackupTrack(0x0)
- ,fTrackLow(0x0)
- ,fTrackHigh(0x0)
+ ,fkReconstructor(NULL)
+ ,fBackupTrack(NULL)
+ ,fTrackLow(NULL)
+ ,fTrackHigh(NULL)
{
//
// Constructor from AliESDtrack
//
+ SetESDid(t.GetID());
SetLabel(t.GetLabel());
SetChi2(0.0);
SetMass(t.GetMass()/*0.000510*/);
AliKalmanTrack::SetNumberOfClusters(t.GetTRDncls());
- Int_t ti[kNplane]; t.GetTRDtracklets(&ti[0]);
+ Int_t ti[]={-1, -1, -1, -1, -1, -1}; t.GetTRDtracklets(&ti[0]);
for(int ip=0; ip<kNplane; ip++){
- fTrackletIndex[ip] = ti[ip] < 0 ? 0xffff : ti[ip];
- fTracklet[ip] = 0x0;
+ fTrackletIndex[ip] = ti[ip];
+ fTracklet[ip] = NULL;
}
for(int i =0; i<3; i++) fBudget[i] = 0.;
}
//_______________________________________________________________
-AliTRDtrackV1::AliTRDtrackV1(AliTRDseedV1 *trklts, const Double_t p[5], const Double_t cov[15]
+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.)
- ,fReconstructor(0x0)
- ,fBackupTrack(0x0)
- ,fTrackLow(0x0)
- ,fTrackHigh(0x0)
+ ,fkReconstructor(NULL)
+ ,fBackupTrack(NULL)
+ ,fTrackLow(NULL)
+ ,fTrackHigh(NULL)
{
//
// The stand alone tracking constructor
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(4, Form("Pt mixing : w0[%4.2f] 1/pt0[%5.3f] w1[%4.2f] 1/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] = 0xffff;
- if(!trklts[iplane].IsOK()) fTracklet[iplane] = 0x0;
+ fTrackletIndex[iplane] = -1;
+ if(!trklts[iplane].IsOK()) fTracklet[iplane] = NULL;
else{
fTracklet[iplane] = &trklts[iplane];
ncls += fTracklet[iplane]->GetN();
//AliInfo("");
//printf("I-AliTRDtrackV1::~AliTRDtrackV1() : Owner[%s]\n", TestBit(kOwner)?"YES":"NO");
- if(fBackupTrack) delete fBackupTrack; fBackupTrack = 0x0;
+ if(fBackupTrack) delete fBackupTrack; fBackupTrack = NULL;
- if(fTrackLow) delete fTrackLow; fTrackLow = 0x0;
- if(fTrackHigh) delete fTrackHigh; fTrackHigh = 0x0;
+ if(fTrackLow) delete fTrackLow; fTrackLow = NULL;
+ if(fTrackHigh) delete fTrackHigh; fTrackHigh = NULL;
for(Int_t ip=0; ip<kNplane; ip++){
if(TestBit(kOwner) && fTracklet[ip]) delete fTracklet[ip];
- fTracklet[ip] = 0x0;
- fTrackletIndex[ip] = 0xffff;
+ fTracklet[ip] = NULL;
+ fTrackletIndex[ip] = -1;
}
}
Bool_t labelAdded;
Int_t label;
- AliTRDcluster *c = 0x0;
+ AliTRDcluster *c = NULL;
for (Int_t ip = 0; ip < kNplane; ip++) {
- if(fTrackletIndex[ip] == 0xffff) continue;
+ if(fTrackletIndex[ip] == -1) 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++) {
// Retrieve number of tracklets used for PID calculation.
UChar_t nPID = 0;
- Float_t *prob = 0x0;
+ Float_t *prob = NULL;
for(int ip=0; ip<kNplane; ip++){
- if(fTrackletIndex[ip] == 0xffff) continue;
+ if(fTrackletIndex[ip] == -1) continue;
if(!fTracklet[ip]->IsOK()) continue;
if(!(prob = fTracklet[ip]->GetProbability(kFALSE))) continue;
UChar_t fPIDquality = 0;
// steer PID calculation @ tracklet level
- Float_t *prob = 0x0;
+ Float_t *prob = NULL;
for(int ip=0; ip<kNplane; ip++){
- if(fTrackletIndex[ip] == 0xffff) continue;
+ if(fTrackletIndex[ip] == -1) continue;
if(!fTracklet[ip]->IsOK()) continue;
if(!(prob = fTracklet[ip]->GetProbability(recalc))) return 0;
//_______________________________________________________________
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;
n+=fTracklet[ip]->GetN();
continue;
}
- AliTRDcluster *c = 0x0;
+ AliTRDcluster *c = NULL;
for(Int_t ic=AliTRDseedV1::kNclusters; ic--;){
if(!(c = fTracklet[ip]->GetClusters(ic))) continue;
return c;
}
}
- return 0x0;
+ 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;
n+=fTracklet[ip]->GetN();
continue;
}
- AliTRDcluster *c = 0x0;
+ AliTRDcluster *c = NULL;
for(Int_t ic=AliTRDseedV1::kNclusters; ic--;){
if(!(c = fTracklet[ip]->GetClusters(ic))) continue;
//_______________________________________________________________
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;
//_______________________________________________________________
Bool_t AliTRDtrackV1::IsElectron() const
{
- if(GetPID(0) > fReconstructor->GetRecoParam()->GetPIDThreshold(GetP())) return kTRUE;
+ if(GetPID(0) > fkReconstructor->GetRecoParam()->GetPIDThreshold(GetP())) return kTRUE;
return kFALSE;
}
// "xrho" - thickness*density [g/cm^2]
//
- if (xk == GetX()) {
- return kTRUE;
- }
-
- Double_t oldX = GetX();
- Double_t oldY = GetY();
- Double_t oldZ = GetZ();
-
- Double_t bz = GetBz();
-
- if (!AliExternalTrackParam::PropagateTo(xk,bz)) {
- return kFALSE;
- }
-
- Double_t x = GetX();
- Double_t y = GetY();
- Double_t z = GetZ();
+ if (xk == GetX()) return kTRUE;
- if (oldX < xk) {
+ 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()};
+ if(xyz0[0] < xk) {
xrho = -xrho;
if (IsStartedTimeIntegral()) {
- Double_t l2 = TMath::Sqrt((x-oldX)*(x-oldX)
- + (y-oldY)*(y-oldY)
- + (z-oldZ)*(z-oldZ));
- Double_t crv = AliExternalTrackParam::GetC(bz);
+ 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((x-oldX)*(x-oldX)
- + (y-oldY)*(y-oldY));
+ 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 + (z-oldZ)*(z-oldZ));
+ l2 = TMath::Sqrt(l2*l2 + (xyz1[2]-xyz0[2])*(xyz1[2]-xyz0[2]));
}
AddTimeStep(l2);
}
//_____________________________________________________________________________
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));
- if(strcmp(o, "a")!=0) return;
printf("|X| = (");
const Double_t *curP = GetParameter();
for (Int_t i = 0; i < 5; i++) printf("%7.2f ", curP[i]);
k=-1; j--;
}
}
+ if(strcmp(o, "a")!=0) return;
for(Int_t ip=0; ip<kNplane; ip++){
if(!fTracklet[ip]) continue;
Int_t ncls = 0;
for(int ip=0; ip<kNplane; ip++){
- if(fTracklet[ip] && fTrackletIndex[ip] != 0xffff) ncls += fTracklet[ip]->GetN();
+ if(fTracklet[ip] && fTrackletIndex[ip] != -1) ncls += fTracklet[ip]->GetN();
}
AliKalmanTrack::SetNumberOfClusters(ncls);
}
if(TestBit(kOwner)) return;
for (Int_t ip = 0; ip < kNplane; ip++) {
- if(fTrackletIndex[ip] == 0xffff) continue;
+ if(fTrackletIndex[ip] == -1) continue;
fTracklet[ip] = new AliTRDseedV1(*fTracklet[ip]);
fTracklet[ip]->SetOwner();
}
}
//_______________________________________________________________
-void AliTRDtrackV1::SetTracklet(AliTRDseedV1 *trklt, Int_t index)
+void AliTRDtrackV1::SetTracklet(AliTRDseedV1 *const trklt, Int_t index)
{
//
// Set the tracklets
void AliTRDtrackV1::UnsetTracklet(Int_t plane)
{
if(plane<0 && plane >= kNplane) return;
- fTrackletIndex[plane] = 0xffff;
- fTracklet[plane] = 0x0;
+ fTrackletIndex[plane] = -1;
+ fTracklet[plane] = NULL;
}
//_______________________________________________________________
-Bool_t AliTRDtrackV1::Update(Double_t *p, Double_t *cov, Double_t chi2)
+Bool_t AliTRDtrackV1::Update(Double_t *p, Double_t *cov, Double_t chi2, Bool_t use)
{
//
// Update track
//
- if(!AliExternalTrackParam::Update(p, cov)) return kFALSE;
+ AliDebug(2, Form("Point:\n p=[%6.2f %6.2f]\n V=[%6.2f %6.2f]\n [%6.2f %6.2f]", p[0], p[1], cov[0], cov[1], cov[1], cov[2]));
+ if(use && !AliExternalTrackParam::Update(p, cov)) return kFALSE;
// Register info to track
SetNumberOfClusters();
// Update the TRD PID information in the ESD track
//
- Int_t nslices = fReconstructor->IsEightSlices() ? (Int_t)AliTRDpidUtil::kNNslices : (Int_t)AliTRDpidUtil::kLQslices;
+ Int_t nslices = fkReconstructor->GetRecoParam()->IsEightSlices() ? (Int_t)AliTRDpidUtil::kNNslices : (Int_t)AliTRDpidUtil::kLQslices;
// number of tracklets used for PID calculation
UChar_t nPID = GetNumberOfTrackletsPID();
// number of tracklets attached to the track
// store raw signals
Float_t p, sp; Double_t spd;
for (Int_t ip = 0; ip < kNplane; ip++) {
- if(fTrackletIndex[ip] == 0xffff) continue;
+ if(fTrackletIndex[ip] == -1) continue;
if(!fTracklet[ip]->HasPID()) continue;
- Float_t *dedx = fTracklet[ip]->GetdEdx();
+ const Float_t *dedx = fTracklet[ip]->GetdEdx();
for (Int_t js = 0; js < nslices; js++, dedx++) track->SetTRDslice(*dedx, ip, js);
p = fTracklet[ip]->GetMomentum(&sp); spd = sp;
track->SetTRDmomentum(p, ip, &spd);