#include <AliKalmanTrack.h>
#include "AliITSRecoParam.h"
#include "AliITSgeomTGeo.h"
+#include "AliESDtrack.h"
-class AliESDtrack;
+/* $Id$ */
+
+class AliESDVertex;
+class AliTracker;
//_____________________________________________________________________________
class AliITStrackV2 : public AliKalmanTrack {
public:
AliITStrackV2();
- AliITStrackV2(AliESDtrack& t,Bool_t c=kFALSE) throw (const Char_t *);
+ AliITStrackV2(AliESDtrack& t,Bool_t c=kFALSE);
AliITStrackV2(const AliITStrackV2& t);
+ ~AliITStrackV2(){fESDtrack=0;}
+ void SetCheckInvariant(Bool_t check=kTRUE) {fCheckInvariant=check;}
Bool_t CorrectForMeanMaterial(Double_t xOverX0, Double_t xTimesRho,
Bool_t anglecorr=kFALSE) {
return AliExternalTrackParam::CorrectForMeanMaterial(xOverX0,xTimesRho,GetMass(),anglecorr);
return AliExternalTrackParam::CorrectForMaterial(d,x0,GetMass());
}
Bool_t PropagateTo(Double_t xr, Double_t d, Double_t x0=AliITSRecoParam::GetX0Air());
- Bool_t PropagateToTGeo(Double_t xToGo, Int_t nstep, Double_t &xOverX0, Double_t &xTimesRho);
- Bool_t PropagateToTGeo(Double_t xToGo, Int_t nstep=1) {
- Double_t dummy1,dummy2; return PropagateToTGeo(xToGo,nstep,dummy1,dummy2);
+ Bool_t PropagateToTGeo(Double_t xToGo, Int_t nstep, Double_t &xOverX0, Double_t &xTimesRho, Bool_t addTime=kTRUE);
+ Bool_t PropagateToTGeo(Double_t xToGo, Int_t nstep=1, Bool_t addTime=kTRUE) {
+ Double_t dummy1,dummy2; return PropagateToTGeo(xToGo,nstep,dummy1,dummy2,addTime);
}
Double_t GetPredictedChi2(const AliCluster *cluster) const;
Bool_t Update(const AliCluster *cl, Double_t chi2, Int_t i);
Bool_t PropagateToVertex(const AliESDVertex *v,Double_t d=0.,Double_t x0=0.);
Bool_t Propagate(Double_t alpha, Double_t xr);
+ Bool_t Propagate(Double_t xr) { return Propagate(GetAlpha(),xr); }
Bool_t MeanBudgetToPrimVertex(Double_t xyz[3], Double_t step, Double_t &d) const;
Bool_t Improve(Double_t x0,Double_t xyz[3],Double_t ers[3]);
-
+ Bool_t ImproveKalman(Double_t xyz[3],Double_t ers[3], const Double_t* xlMS, const Double_t* x2X0MS, Int_t nMS);
void SetdEdx(Double_t dedx) {fdEdx=dedx;}
void SetSampledEdx(Float_t q, Int_t i);
Float_t GetSampledEdx(Int_t i) const {return fdEdxSample[i];}
void CookdEdx(Double_t low=0., Double_t up=0.51);
void SetDetectorIndex(Int_t i) {SetLabel(i);}
- void ResetClusters() { SetChi2(0.); SetNumberOfClusters(0); }
+ void ResetClusters();
void UpdateESDtrack(ULong_t flags) const;
AliESDtrack *GetESDtrack() const {return fESDtrack;}
+ virtual ULong_t GetStatus() const {
+ if(fESDtrack){return fESDtrack->GetStatus();}
+ else { AliWarning("null ESD track pointer - status 0"); return 0;} }
Int_t GetDetectorIndex() const {return GetLabel();}
Double_t GetdEdx() const {return fdEdx;}
Double_t GetPIDsignal() const {return GetdEdx();}
+ using AliExternalTrackParam::GetC;
Double_t GetC() const {return AliExternalTrackParam::GetC(GetBz());}
Double_t GetD(Double_t x, Double_t y) const {
return AliExternalTrackParam::GetD(x,y,GetBz());
Int_t Compare(const TObject *o) const;
Int_t GetClusterIndex(Int_t i) const {return fIndex[i];}
+ void SetModuleIndex(Int_t ilayer,Int_t idx) {fModule[ilayer]=idx;}
+ Int_t GetModuleIndex(Int_t ilayer) const {return fModule[ilayer];}
+ void SetModuleIndexInfo(Int_t ilayer,Int_t idet,Int_t status=1,Float_t xloc=0,Float_t zloc=0);
+ Bool_t GetModuleIndexInfo(Int_t ilayer,Int_t &idet,Int_t &status,Float_t &xloc,Float_t &zloc) const;
+ void SetSharedWeight(Int_t ilayer,Float_t w) {fSharedWeight[ilayer]=w;}
+ Float_t GetSharedWeight(Int_t ilayer) const {return fSharedWeight[ilayer];}
Bool_t Invariant() const;
- void SetExtraCluster(Int_t i, Int_t idx) {fIndex[AliITSgeomTGeo::kNLayers+i]=idx;}
- Int_t GetExtraCluster(Int_t i) const {return fIndex[AliITSgeomTGeo::kNLayers+i];}
+ void SetExtraCluster(Int_t ilayer, Int_t idx) {fIndex[AliITSgeomTGeo::kNLayers+ilayer]=idx;}
+ Int_t GetExtraCluster(Int_t ilayer) const {return fIndex[AliITSgeomTGeo::kNLayers+ilayer];}
+
+ void SetExtraModule(Int_t ilayer, Int_t idx) {fModule[AliITSgeomTGeo::kNLayers+ilayer]=idx;}
+ Int_t GetExtraModule(Int_t ilayer) const {return fModule[AliITSgeomTGeo::kNLayers+ilayer];}
protected:
- Double_t GetBz() const ;
+
+ Bool_t fCheckInvariant; // check the covariance matrix
+
Double_t fdEdx; // dE/dx
static const Int_t fgkWARN; //! used for debugging purposes
Int_t fIndex[2*AliITSgeomTGeo::kNLayers]; // indices of associated clusters
+ Int_t fModule[2*AliITSgeomTGeo::kNLayers]; // indices of crossed modules:
+ // see SetModuleIndexInfo()
+
+ Float_t fSharedWeight[AliITSgeomTGeo::kNLayers]; // probability of sharing
+
AliESDtrack *fESDtrack; //! pointer to the connected ESD track
private:
AliITStrackV2 &operator=(const AliITStrackV2 &tr);
- ClassDef(AliITStrackV2,7) //ITS reconstructed track
+ ClassDef(AliITStrackV2,9) //ITS reconstructed track
};
-inline
-void AliITStrackV2::SetSampledEdx(Float_t q, Int_t i) {
+inline void AliITStrackV2::SetSampledEdx(Float_t q, Int_t i) {
//----------------------------------------------------------------------
// This function stores dEdx sample corrected for the track segment length
// Origin: Boris Batyunya, JINR, Boris.Batiounia@cern.ch
Double_t s=GetSnp(), t=GetTgl();
q *= TMath::Sqrt((1-s*s)/(1+t*t));
fdEdxSample[i]=q;
+ return;
+}
+
+inline void AliITStrackV2::SetModuleIndexInfo(Int_t ilayer,Int_t idet,Int_t status,
+ Float_t xloc,Float_t zloc) {
+ //----------------------------------------------------------------------
+ // This function encodes in the module number also the status of cluster association
+ // "status" can have the following values:
+ // 1 "found" (cluster is associated),
+ // 2 "dead" (module is dead from OCDB),
+ // 3 "skipped" (module or layer forced to be skipped),
+ // 4 "outinz" (track out of z acceptance),
+ // 5 "nocls" (no clusters in the road),
+ // 6 "norefit" (cluster rejected during refit)
+ // 7 "deadzspd" (holes in z in SPD)
+ // WARNING: THIS METHOD HAS TO BE SYNCHRONIZED WITH AliESDtrack::GetITSModuleIndexInfo()!
+ //----------------------------------------------------------------------
+
+ if(idet<0) {
+ idet=0;
+ } else {
+ // same detector numbering as in AliITSCalib classes
+ if(ilayer==1) idet+=AliITSgeomTGeo::GetNLadders(1)*AliITSgeomTGeo::GetNDetectors(1);
+ if(ilayer==3) idet+=AliITSgeomTGeo::GetNLadders(3)*AliITSgeomTGeo::GetNDetectors(3);
+ if(ilayer==5) idet+=AliITSgeomTGeo::GetNLadders(5)*AliITSgeomTGeo::GetNDetectors(5);
+ }
+
+ Int_t xInt = Int_t(xloc*10.);
+ Int_t zInt = Int_t(zloc*10.);
+
+ if(TMath::Abs(xloc*10.-(Float_t)xInt)>0.5){
+ if(zloc>0) {
+ xInt++;
+ }
+ else {
+ xInt--;
+ }
+ }
+ if(TMath::Abs(zloc*10.-(Float_t)zInt)>0.5){
+ if(zloc>0) {
+ zInt++;
+ }
+ else {
+ zInt--;
+ }
+ }
+ Int_t signs=0;
+ if(xInt>=0 && zInt>=0) signs=10000;
+ if(xInt>=0 && zInt<0) signs=20000;
+ if(xInt<0 && zInt>=0) signs=30000;
+ if(xInt<0 && zInt<0) signs=40000;
+
+ Int_t modindex = signs;
+
+ modindex += TMath::Abs(zInt);
+ modindex += TMath::Abs(xInt)*100;
+
+ modindex += status*100000;
+
+ modindex += idet*1000000;
+
+ SetModuleIndex(ilayer,modindex);
+ return;
}
+inline Bool_t AliITStrackV2::GetModuleIndexInfo(Int_t ilayer,Int_t &idet,Int_t &status,
+ Float_t &xloc,Float_t &zloc) const {
+ //----------------------------------------------------------------------
+ // This function encodes in the module number also the status of cluster association
+ // "status" can have the following values:
+ // 1 "found" (cluster is associated),
+ // 2 "dead" (module is dead from OCDB),
+ // 3 "skipped" (module or layer forced to be skipped),
+ // 4 "outinz" (track out of z acceptance),
+ // 5 "nocls" (no clusters in the road),
+ // 6 "norefit" (cluster rejected during refit),
+ // 7 "deadzspd" (holes in z in SPD)
+ // Also given are the coordinates of the crossing point of track and module
+ // (in the local module ref. system)
+ // WARNING: THIS METHOD HAS TO BE SYNCHRONIZED WITH AliESDtrack::GetITSModuleIndexInfo()!
+ //----------------------------------------------------------------------
+
+
+ if(fModule[ilayer]==-1) {
+ AliError("fModule was not set !");
+ idet = -1;
+ status=0;
+ xloc=-99.; zloc=-99.;
+ return kFALSE;
+ }
+
+ Int_t module = fModule[ilayer];
+
+ idet = Int_t(module/1000000);
+
+ module -= idet*1000000;
+
+ status = Int_t(module/100000);
+
+ module -= status*100000;
+
+ Int_t signs = Int_t(module/10000);
+
+ module-=signs*10000;
+
+ Int_t xInt = Int_t(module/100);
+ module -= xInt*100;
+
+ Int_t zInt = module;
+
+ if(signs==1) { xInt*=1; zInt*=1; }
+ if(signs==2) { xInt*=1; zInt*=-1; }
+ if(signs==3) { xInt*=-1; zInt*=1; }
+ if(signs==4) { xInt*=-1; zInt*=-1; }
+
+ xloc = 0.1*(Float_t)xInt;
+ zloc = 0.1*(Float_t)zInt;
+
+ if(status==4) idet = -1;
+
+ return kTRUE;
+}
+
+
#endif