#include "AliAODTrack.h"
+//#include <TPDGCode.h>
+//#include <TDatabasePDG.h>
+
ClassImp(AliAODTrack)
//______________________________________________________________________________
AliAODTrack::AliAODTrack() :
- AliVirtualParticle(),
- fChi2(-999.),
- fID(-999),
+ AliVParticle(),
+ fChi2perNDF(-999.),
+ fChi2MatchTrigger(0.),
fLabel(-999),
- fCovMatrix(NULL),
- fProdVertex(0x0),
+ fITSMuonClusterMap(0),
+ fFilterMap(0),
+ fID(-999),
fCharge(-99),
- fITSClusterMap(0),
- fType(kUndef)
+ fType(kUndef),
+ fCovMatrix(NULL),
+ fProdVertex(0x0)
{
// default constructor
}
//______________________________________________________________________________
-AliAODTrack::AliAODTrack(Int_t id,
+AliAODTrack::AliAODTrack(Short_t id,
Int_t label,
Double_t p[3],
Bool_t cartesian,
UChar_t itsClusMap,
Double_t pid[10],
AliAODVertex *prodVertex,
+ Bool_t usedForVtxFit,
Bool_t usedForPrimVtxFit,
- AODTrk_t ttype) :
- AliVirtualParticle(),
- fChi2(-999.),
- fID(id),
+ AODTrk_t ttype,
+ UInt_t selectInfo) :
+ AliVParticle(),
+ fChi2perNDF(-999.),
+ fChi2MatchTrigger(0.),
fLabel(label),
- fCovMatrix(NULL),
- fProdVertex(prodVertex),
+ fITSMuonClusterMap(itsClusMap),
+ fFilterMap(selectInfo),
+ fID(id),
fCharge(charge),
- fITSClusterMap(itsClusMap),
- fType(ttype)
+ fType(ttype),
+ fCovMatrix(NULL),
+ fProdVertex(prodVertex)
{
// constructor
SetP(p, cartesian);
SetPosition(x, isDCA);
+ SetUsedForVtxFit(usedForVtxFit);
SetUsedForPrimVtxFit(usedForPrimVtxFit);
if(covMatrix) SetCovMatrix(covMatrix);
SetPID(pid);
}
//______________________________________________________________________________
-AliAODTrack::AliAODTrack(Int_t id,
+AliAODTrack::AliAODTrack(Short_t id,
Int_t label,
Float_t p[3],
Bool_t cartesian,
UChar_t itsClusMap,
Float_t pid[10],
AliAODVertex *prodVertex,
+ Bool_t usedForVtxFit,
Bool_t usedForPrimVtxFit,
- AODTrk_t ttype) :
- AliVirtualParticle(),
- fChi2(-999.),
- fID(id),
+ AODTrk_t ttype,
+ UInt_t selectInfo) :
+ AliVParticle(),
+ fChi2perNDF(-999.),
+ fChi2MatchTrigger(0.),
fLabel(label),
- fCovMatrix(NULL),
- fProdVertex(prodVertex),
+ fITSMuonClusterMap(itsClusMap),
+ fFilterMap(selectInfo),
+ fID(id),
fCharge(charge),
- fITSClusterMap(itsClusMap),
- fType(ttype)
+ fType(ttype),
+ fCovMatrix(NULL),
+ fProdVertex(prodVertex)
{
// constructor
SetP(p, cartesian);
SetPosition(x, isDCA);
+ SetUsedForVtxFit(usedForVtxFit);
SetUsedForPrimVtxFit(usedForPrimVtxFit);
if(covMatrix) SetCovMatrix(covMatrix);
SetPID(pid);
//______________________________________________________________________________
AliAODTrack::AliAODTrack(const AliAODTrack& trk) :
- AliVirtualParticle(trk),
- fChi2(trk.fChi2),
- fID(trk.fID),
+ AliVParticle(trk),
+ fChi2perNDF(trk.fChi2perNDF),
+ fChi2MatchTrigger(trk.fChi2MatchTrigger),
fLabel(trk.fLabel),
- fCovMatrix(NULL),
- fProdVertex(trk.fProdVertex),
+ fITSMuonClusterMap(trk.fITSMuonClusterMap),
+ fFilterMap(trk.fFilterMap),
+ fID(trk.fID),
fCharge(trk.fCharge),
- fITSClusterMap(trk.fITSClusterMap),
- fType(trk.fType)
+ fType(trk.fType),
+ fCovMatrix(NULL),
+ fProdVertex(trk.fProdVertex)
{
// Copy constructor
trk.GetP(fMomentum);
trk.GetPosition(fPosition);
+ SetUsedForVtxFit(trk.GetUsedForVtxFit());
SetUsedForPrimVtxFit(trk.GetUsedForPrimVtxFit());
if(trk.fCovMatrix) fCovMatrix=new AliAODRedCov<6>(*trk.fCovMatrix);
SetPID(trk.fPID);
// Assignment operator
if(this!=&trk) {
- AliVirtualParticle::operator=(trk);
+ AliVParticle::operator=(trk);
trk.GetP(fMomentum);
trk.GetPosition(fPosition);
trk.GetPID(fPID);
- fChi2 = trk.fChi2;
+ fChi2perNDF = trk.fChi2perNDF;
+ fChi2MatchTrigger = trk.fChi2MatchTrigger;
fID = trk.fID;
fLabel = trk.fLabel;
+ fITSMuonClusterMap = trk.fITSMuonClusterMap;
+ fFilterMap = trk.fFilterMap;
+
+ fCharge = trk.fCharge;
+ fType = trk.fType;
+
delete fCovMatrix;
if(trk.fCovMatrix) fCovMatrix=new AliAODRedCov<6>(*trk.fCovMatrix);
else fCovMatrix=NULL;
fProdVertex = trk.fProdVertex;
- fCharge = trk.fCharge;
- fITSClusterMap = trk.fITSClusterMap;
+ SetUsedForVtxFit(trk.GetUsedForVtxFit());
SetUsedForPrimVtxFit(trk.GetUsedForPrimVtxFit());
- fType = trk.fType;
}
return *this;
}
+//______________________________________________________________________________
+Double_t AliAODTrack::M(AODTrkPID_t pid) const
+{
+ // Returns the mass.
+ // Masses for nuclei don't exist in the PDG tables, therefore they were put by hand.
+
+ switch (pid) {
+
+ case kElectron :
+ return 0.000510999; //TDatabasePDG::Instance()->GetParticle(11/*::kElectron*/)->Mass();
+ break;
+
+ case kMuon :
+ return 0.1056584; //TDatabasePDG::Instance()->GetParticle(13/*::kMuonMinus*/)->Mass();
+ break;
+
+ case kPion :
+ return 0.13957; //TDatabasePDG::Instance()->GetParticle(211/*::kPiPlus*/)->Mass();
+ break;
+
+ case kKaon :
+ return 0.4937; //TDatabasePDG::Instance()->GetParticle(321/*::kKPlus*/)->Mass();
+ break;
+
+ case kProton :
+ return 0.9382720; //TDatabasePDG::Instance()->GetParticle(2212/*::kProton*/)->Mass();
+ break;
+
+ case kDeuteron :
+ return 1.8756; //TDatabasePDG::Instance()->GetParticle(1000010020)->Mass();
+ break;
+
+ case kTriton :
+ return 2.8089; //TDatabasePDG::Instance()->GetParticle(1000010030)->Mass();
+ break;
+
+ case kHelium3 :
+ return 2.8084; //TDatabasePDG::Instance()->GetParticle(1000020030)->Mass();
+ break;
+
+ case kAlpha :
+ return 3.7274; //TDatabasePDG::Instance()->GetParticle(1000020040)->Mass();
+ break;
+
+ case kUnknown :
+ return -999.;
+ break;
+
+ default :
+ return -999.;
+ }
+}
+
+//______________________________________________________________________________
+Double_t AliAODTrack::E(AODTrkPID_t pid) const
+{
+ // Returns the energy of the particle of a given pid.
+
+ if (pid != kUnknown) { // particle was identified
+ Double_t m = M(pid);
+ return TMath::Sqrt(P()*P() + m*m);
+ } else { // pid unknown
+ return -999.;
+ }
+}
+
+//______________________________________________________________________________
+Double_t AliAODTrack::Y(AODTrkPID_t pid) const
+{
+ // Returns the rapidity of a particle of a given pid.
+
+ if (pid != kUnknown) { // particle was identified
+ Double_t e = E(pid);
+ Double_t pz = Pz();
+ if (e>=0 && e!=pz) { // energy was positive (e.g. not -999.) and not equal to pz
+ return 0.5*TMath::Log((e+pz)/(e-pz));
+ } else { // energy not known or equal to pz
+ return -999.;
+ }
+ } else { // pid unknown
+ return -999.;
+ }
+}
+
+//______________________________________________________________________________
+Double_t AliAODTrack::Y(Double_t m) const
+{
+ // Returns the rapidity of a particle of a given mass.
+
+ if (m >= 0.) { // mass makes sense
+ Double_t e = E(m);
+ Double_t pz = Pz();
+ if (e>=0 && e!=pz) { // energy was positive (e.g. not -999.) and not equal to pz
+ return 0.5*TMath::Log((e+pz)/(e-pz));
+ } else { // energy not known or equal to pz
+ return -999.;
+ }
+ } else { // pid unknown
+ return -999.;
+ }
+}
+
+//______________________________________________________________________________
+AliAODTrack::AODTrkPID_t AliAODTrack::GetMostProbablePID() const
+{
+ // Returns the most probable PID array element.
+
+ Int_t nPID = 10;
+ if (fPID) {
+ AODTrkPID_t loc = kUnknown;
+ Double_t max = 0.;
+ Bool_t allTheSame = kTRUE;
+
+ for (Int_t iPID = 0; iPID < nPID; iPID++) {
+ if (fPID[iPID] >= max) {
+ if (fPID[iPID] > max) {
+ allTheSame = kFALSE;
+ max = fPID[iPID];
+ loc = (AODTrkPID_t)iPID;
+ } else {
+ allTheSame = kTRUE;
+ }
+ }
+ }
+
+ return allTheSame ? kUnknown : loc;
+ } else {
+ return kUnknown;
+ }
+}
+
+//______________________________________________________________________________
+void AliAODTrack::ConvertAliPIDtoAODPID()
+{
+ // Converts AliPID array.
+ // The numbering scheme is the same for electrons, muons, pions, kaons, and protons.
+ // Everything else has to be set to zero.
+
+ fPID[kDeuteron] = 0.;
+ fPID[kTriton] = 0.;
+ fPID[kHelium3] = 0.;
+ fPID[kAlpha] = 0.;
+ fPID[kUnknown] = 0.;
+
+ return;
+}
+
+
//______________________________________________________________________________
template <class T> void AliAODTrack::SetP(const T *p, const Bool_t cartesian)
{
- // set the momentum
+ // Set the momentum
if (p) {
if (cartesian) {
Double_t P = TMath::Sqrt(pt2 + p[2]*p[2]);
fMomentum[0] = TMath::Sqrt(pt2); // pt
- fMomentum[1] = (pt2 != 0.) ? TMath::ATan2(p[1], p[0]) : -999; // phi
+ fMomentum[1] = (pt2 != 0.) ? TMath::Pi()+TMath::ATan2(-p[1], -p[0]) : -999; // phi
fMomentum[2] = (P != 0.) ? TMath::ACos(p[2]/P) : -999.; // theta
} else {
fMomentum[0] = p[0]; // pt
printf(" 1/pt = %f\n", OneOverPt());
printf(" theta = %f\n", Theta());
printf(" phi = %f\n", Phi());
- printf(" chi2 = %f\n", Chi2());
+ printf(" chi2/NDF = %f\n", Chi2perNDF());
printf(" charge = %d\n", Charge());
printf(" PID object: %p\n", PID());
}
+void AliAODTrack::SetMatchTrigger(Int_t MatchTrigger){
+//
+// Set the MUON trigger information
+ switch(MatchTrigger){
+ case 0: // 0 track does not match trigger
+ fITSMuonClusterMap=fITSMuonClusterMap&0x3fffffff;
+ break;
+ case 1: // 1 track match but does not pass pt cut
+ fITSMuonClusterMap=(fITSMuonClusterMap&0x3fffffff)|0x40000000;
+ break;
+ case 2: // 2 track match Low pt cut
+ fITSMuonClusterMap=(fITSMuonClusterMap&0x3fffffff)|0x80000000;
+ break;
+ case 3: // 3 track match High pt cut
+ fITSMuonClusterMap=fITSMuonClusterMap|0xc0000000;
+ break;
+ default:
+ fITSMuonClusterMap=fITSMuonClusterMap&0x3fffffff;
+ printf("AliAODTrack::SetMatchTrigger unknown case for MatchTrigger: %d\n",MatchTrigger);
+ }
+}
+
+void AliAODTrack::SetHitsPatternInTrigCh(UShort_t hitsPatternInTrigCh){
+//
+// Set the MUON hit pattern (1 bit per chamber)
+ fITSMuonClusterMap=(fITSMuonClusterMap&0xffff00ff)|(hitsPatternInTrigCh<<8);
+}
+
+Int_t AliAODTrack::HitsMT(Int_t istation, Int_t iplane, Char_t *cathode){
+//
+// Retrieve hit information for MUON identified by (station, plane, cathode)
+ if(cathode){
+ if(cathode[0]=='x'||cathode[0]=='X'){
+ if(istation==1){
+ if(iplane==1)
+ return (fITSMuonClusterMap&0x8000)?1:0;
+ else if(iplane==2)
+ return (fITSMuonClusterMap&0x4000)?1:0;
+ else
+ return 0;
+ }else if(istation==2){
+ if(iplane==1)
+ return (fITSMuonClusterMap&0x2000)?1:0;
+ else if(iplane==2)
+ return (fITSMuonClusterMap&0x1000)?1:0;
+ else
+ return 0;
+ }else{
+ return 0;
+ }
+ }else if(cathode[0]=='y'||cathode[0]=='Y'){
+ if(istation==1){
+ if(iplane==1)
+ return (fITSMuonClusterMap&0x0800)?1:0;
+ else if(iplane==2)
+ return (fITSMuonClusterMap&0x0400)?1:0;
+ else
+ return 0;
+ }else if(istation==2){
+ if(iplane==1)
+ return (fITSMuonClusterMap&0x0200)?1:0;
+ else if(iplane==2)
+ return (fITSMuonClusterMap&0x0100)?1:0;
+ else
+ return 0;
+ }else{
+ return 0;
+ }
+ }else{
+ return 0;
+ }
+ }else{
+ if(istation==1){
+ if(iplane==1)
+ return (HitsMT(1,1,"X")||HitsMT(1,1,"Y"))?1:0;
+ else if(iplane==2)
+ return (HitsMT(1,2,"X")||HitsMT(1,2,"Y"))?1:0;
+ else
+ return 0;
+ }else if(istation==2){
+ if(iplane==1)
+ return (HitsMT(2,1,"X")||HitsMT(2,1,"Y"))?1:0;
+ else if(iplane==2)
+ return (HitsMT(2,2,"X")||HitsMT(2,2,"Y"))?1:0;
+ else
+ return 0;
+ }else{
+ return 0;
+ }
+ }
+}
+
+Int_t AliAODTrack::HitsMuonChamber(Int_t MuonChamber){
+// Retrieve hit information for MUON Chamber
+ switch(MuonChamber){
+ case 11:
+ return HitsMT(1,1);
+ case 12:
+ return HitsMT(1,2);
+ case 13:
+ return HitsMT(2,1);
+ case 14:
+ return HitsMT(2,2);
+ default:
+ printf("Unknown MUON chamber: %d\n",MuonChamber);
+ return 0;
+ }
+}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff