/* $Id$ */
//-------------------------------------------------------------------------
-// AOD track base class
+// AOD track implementation of AliVParticle
// Author: Markus Oldenburg, CERN
+// Markus.Oldenburg@cern.ch
//-------------------------------------------------------------------------
+#include "AliLog.h"
#include "AliAODTrack.h"
-//#include <TPDGCode.h>
-//#include <TDatabasePDG.h>
-
ClassImp(AliAODTrack)
//______________________________________________________________________________
AliVParticle(),
fChi2perNDF(-999.),
fChi2MatchTrigger(0.),
+ fFlags(0),
fLabel(-999),
fITSMuonClusterMap(0),
fFilterMap(0),
fCharge(-99),
fType(kUndef),
fCovMatrix(NULL),
- fProdVertex(0x0)
+ fDetPid(NULL),
+ fProdVertex(NULL)
{
// default constructor
SetP();
SetPosition((Float_t*)NULL);
+ SetXYAtDCA(-999., -999.);
+ SetPxPyPzAtDCA(-999., -999., -999.);
SetPID((Float_t*)NULL);
}
Bool_t usedForVtxFit,
Bool_t usedForPrimVtxFit,
AODTrk_t ttype,
- UInt_t selectInfo) :
+ UInt_t selectInfo,
+ Float_t chi2perNDF) :
AliVParticle(),
- fChi2perNDF(-999.),
+ fChi2perNDF(chi2perNDF),
fChi2MatchTrigger(0.),
+ fFlags(0),
fLabel(label),
- fITSMuonClusterMap(itsClusMap),
+ fITSMuonClusterMap(0),
fFilterMap(selectInfo),
fID(id),
fCharge(charge),
fType(ttype),
fCovMatrix(NULL),
+ fDetPid(NULL),
fProdVertex(prodVertex)
{
// constructor
SetP(p, cartesian);
SetPosition(x, isDCA);
+ SetXYAtDCA(-999., -999.);
+ SetPxPyPzAtDCA(-999., -999., -999.);
SetUsedForVtxFit(usedForVtxFit);
SetUsedForPrimVtxFit(usedForPrimVtxFit);
if(covMatrix) SetCovMatrix(covMatrix);
SetPID(pid);
-
+ SetITSClusterMap(itsClusMap);
}
//______________________________________________________________________________
Bool_t usedForVtxFit,
Bool_t usedForPrimVtxFit,
AODTrk_t ttype,
- UInt_t selectInfo) :
+ UInt_t selectInfo,
+ Float_t chi2perNDF) :
AliVParticle(),
- fChi2perNDF(-999.),
+ fChi2perNDF(chi2perNDF),
fChi2MatchTrigger(0.),
+ fFlags(0),
fLabel(label),
- fITSMuonClusterMap(itsClusMap),
+ fITSMuonClusterMap(0),
fFilterMap(selectInfo),
fID(id),
fCharge(charge),
fType(ttype),
fCovMatrix(NULL),
+ fDetPid(NULL),
fProdVertex(prodVertex)
{
// constructor
SetP(p, cartesian);
SetPosition(x, isDCA);
+ SetXYAtDCA(-999., -999.);
+ SetPxPyPzAtDCA(-999., -999., -999.);
SetUsedForVtxFit(usedForVtxFit);
SetUsedForPrimVtxFit(usedForPrimVtxFit);
if(covMatrix) SetCovMatrix(covMatrix);
SetPID(pid);
+ SetITSClusterMap(itsClusMap);
}
//______________________________________________________________________________
{
// destructor
delete fCovMatrix;
+ delete fDetPid;
}
AliVParticle(trk),
fChi2perNDF(trk.fChi2perNDF),
fChi2MatchTrigger(trk.fChi2MatchTrigger),
+ fFlags(trk.fFlags),
fLabel(trk.fLabel),
fITSMuonClusterMap(trk.fITSMuonClusterMap),
fFilterMap(trk.fFilterMap),
fCharge(trk.fCharge),
fType(trk.fType),
fCovMatrix(NULL),
+ fDetPid(NULL),
fProdVertex(trk.fProdVertex)
{
// Copy constructor
trk.GetP(fMomentum);
trk.GetPosition(fPosition);
+ SetXYAtDCA(trk.XAtDCA(), trk.YAtDCA());
+ SetPxPyPzAtDCA(trk.PxAtDCA(), trk.PyAtDCA(), trk.PzAtDCA());
SetUsedForVtxFit(trk.GetUsedForVtxFit());
SetUsedForPrimVtxFit(trk.GetUsedForPrimVtxFit());
if(trk.fCovMatrix) fCovMatrix=new AliAODRedCov<6>(*trk.fCovMatrix);
+ if(trk.fDetPid) fDetPid=new AliAODPid(*trk.fDetPid);
SetPID(trk.fPID);
-
}
//______________________________________________________________________________
trk.GetPosition(fPosition);
trk.GetPID(fPID);
+ SetXYAtDCA(trk.XAtDCA(), trk.YAtDCA());
+ SetPxPyPzAtDCA(trk.PxAtDCA(), trk.PyAtDCA(), trk.PzAtDCA());
+
fChi2perNDF = trk.fChi2perNDF;
fChi2MatchTrigger = trk.fChi2MatchTrigger;
- fID = trk.fID;
+ fFlags = trk.fFlags;
fLabel = trk.fLabel;
fITSMuonClusterMap = trk.fITSMuonClusterMap;
fFilterMap = trk.fFilterMap;
+ fID = trk.fID;
+
fCharge = trk.fCharge;
fType = trk.fType;
SetUsedForVtxFit(trk.GetUsedForVtxFit());
SetUsedForPrimVtxFit(trk.GetUsedForPrimVtxFit());
+
+ delete fDetPid;
+ if(trk.fDetPid) fDetPid=new AliAODPid(*trk.fDetPid);
+ else fDetPid=NULL;
}
return *this;
if (p) {
if (cartesian) {
Double_t pt2 = p[0]*p[0] + p[1]*p[1];
- Double_t P = TMath::Sqrt(pt2 + p[2]*p[2]);
+ Double_t pp = TMath::Sqrt(pt2 + p[2]*p[2]);
fMomentum[0] = TMath::Sqrt(pt2); // pt
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
+ fMomentum[2] = (pp != 0.) ? TMath::ACos(p[2] / pp) : -999.; // theta
} else {
fMomentum[0] = p[0]; // pt
fMomentum[1] = p[1]; // phi
printf(" phi = %f\n", Phi());
printf(" chi2/NDF = %f\n", Chi2perNDF());
printf(" charge = %d\n", Charge());
- printf(" PID object: %p\n", PID());
}
-void AliAODTrack::SetMatchTrigger(Int_t MatchTrigger){
+void AliAODTrack::SetMatchTrigger(Int_t matchTrig){
//
// Set the MUON trigger information
- switch(MatchTrigger){
+ switch(matchTrig){
case 0: // 0 track does not match trigger
fITSMuonClusterMap=fITSMuonClusterMap&0x3fffffff;
break;
break;
default:
fITSMuonClusterMap=fITSMuonClusterMap&0x3fffffff;
- printf("AliAODTrack::SetMatchTrigger unknown case for MatchTrigger: %d\n",MatchTrigger);
+ AliWarning(Form("unknown case for matchTrig: %d\n",matchTrig));
}
}
-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)
}
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;
+ //
+ // Retrieve hit information for MUON Tracker/Trigger Chamber
+ // WARNING: chamber number start from 1 instead of 0
+
+ if (MuonChamber > 0 && MuonChamber < 11) {
+ return ((GetMUONClusterMap() & BIT(MuonChamber-1)) != 0) ? 1 : 0;
+ } else {
+ 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;
+ }
}
}
+
+Bool_t AliAODTrack::PropagateTo(Double_t xk, Double_t b) {
+ //----------------------------------------------------------------
+ // Propagate this track to the plane X=xk (cm) in the field "b" (kG)
+ // This is in local coordinates!!!
+ //----------------------------------------------------------------
+
+ Double_t alpha = 0.;
+ Double_t localP[3] = {Px(), Py(), Pz()}; // set global (sic!) p
+ Global2LocalMomentum(localP, Charge(), alpha); // convert global to local momentum
+
+ AliAODVertex *origin = (AliAODVertex*)fProdVertex.GetObject();
+ Double_t localX[3] = {origin->GetX(), origin->GetY(), origin->GetZ()}; // set global (sic!) location of first track point
+ Global2LocalPosition(localX, alpha); // convert global to local position
+
+ Double_t &fX = localX[0];
+
+ Double_t dx=xk-fX;
+ if (TMath::Abs(dx)<=kAlmost0) return kTRUE;
+
+ Double_t crv=localP[0]*b*kB2C;
+ if (TMath::Abs(b) < kAlmost0Field) crv=0.;
+
+ Double_t f1=localP[1], f2=f1 + crv*dx;
+ if (TMath::Abs(f1) >= kAlmost1) return kFALSE;
+ if (TMath::Abs(f2) >= kAlmost1) return kFALSE;
+
+ Double_t &fP0=localX[1], &fP1=localX[2], &fP2=localP[0], &fP3=localP[1], &fP4=localP[2];
+ /* covariance matrix to be fixed!
+ Double_t
+ &fC00=fC[0],
+ &fC10=fC[1], &fC11=fC[2],
+ &fC20=fC[3], &fC21=fC[4], &fC22=fC[5],
+ &fC30=fC[6], &fC31=fC[7], &fC32=fC[8], &fC33=fC[9],
+ &fC40=fC[10], &fC41=fC[11], &fC42=fC[12], &fC43=fC[13], &fC44=fC[14];
+ */
+ Double_t r1=TMath::Sqrt(1.- f1*f1), r2=TMath::Sqrt(1.- f2*f2);
+
+ fX=xk;
+ fP0 += dx*(f1+f2)/(r1+r2);
+ fP1 += dx*(r2 + f2*(f1+f2)/(r1+r2))*fP3;
+ fP2 += dx*crv;
+
+ //f = F - 1
+
+ //Double_t f02= dx/(r1*r1*r1);
+ Double_t cc=crv/fP4;
+ Double_t f04=0.5*dx*dx/(r1*r1*r1); f04*=cc;
+ //Double_t f12= dx*fP3*f1/(r1*r1*r1);
+ Double_t f14=0.5*dx*dx*fP3*f1/(r1*r1*r1); f14*=cc;
+ //Double_t f13= dx/r1;
+ Double_t f24= dx; f24*=cc;
+
+ /* covariance matrix to be fixed!
+ //b = C*ft
+ Double_t b00=f02*fC20 + f04*fC40, b01=f12*fC20 + f14*fC40 + f13*fC30;
+ Double_t b02=f24*fC40;
+ Double_t b10=f02*fC21 + f04*fC41, b11=f12*fC21 + f14*fC41 + f13*fC31;
+ Double_t b12=f24*fC41;
+ Double_t b20=f02*fC22 + f04*fC42, b21=f12*fC22 + f14*fC42 + f13*fC32;
+ Double_t b22=f24*fC42;
+ Double_t b40=f02*fC42 + f04*fC44, b41=f12*fC42 + f14*fC44 + f13*fC43;
+ Double_t b42=f24*fC44;
+ Double_t b30=f02*fC32 + f04*fC43, b31=f12*fC32 + f14*fC43 + f13*fC33;
+ Double_t b32=f24*fC43;
+
+ //a = f*b = f*C*ft
+ Double_t a00=f02*b20+f04*b40,a01=f02*b21+f04*b41,a02=f02*b22+f04*b42;
+ Double_t a11=f12*b21+f14*b41+f13*b31,a12=f12*b22+f14*b42+f13*b32;
+ Double_t a22=f24*b42;
+
+ //F*C*Ft = C + (b + bt + a)
+ fC00 += b00 + b00 + a00;
+ fC10 += b10 + b01 + a01;
+ fC20 += b20 + b02 + a02;
+ fC30 += b30;
+ fC40 += b40;
+ fC11 += b11 + b11 + a11;
+ fC21 += b21 + b12 + a12;
+ fC31 += b31;
+ fC41 += b41;
+ fC22 += b22 + b22 + a22;
+ fC32 += b32;
+ fC42 += b42;
+ */
+
+ Local2GlobalMomentum(localP, alpha); // convert local to global momentum
+ SetP(localP);
+
+ return kTRUE;
+}
+