class AliITStrackerV2 : public AliTracker {
public:
AliITStrackerV2():AliTracker(){}
- AliITStrackerV2(const AliITSgeom *geom) throw (const Char_t *);
-
+ AliITStrackerV2(const AliITSgeom *geom,Int_t event=0) throw (const Char_t *);
AliCluster *GetCluster(Int_t index) const;
Int_t Clusters2Tracks(const TFile *in, TFile *out);
- Int_t PropagateBack(const TFile *in, TFile *out) {return 0;}
+ Int_t PropagateBack(const TFile *in, TFile *out);
+ void SetupFirstPass(Int_t *flags, Double_t *cuts=0);
+ void SetupSecondPass(Int_t *flags, Double_t *cuts=0);
+
+ class AliITSdetector {
+ public:
+ AliITSdetector(){}
+ AliITSdetector(Double_t r,Double_t phi) {fR=r; fPhi=phi;}
+ void *operator new(size_t s,AliITSdetector *p) {return p;}
+ Double_t GetR() const {return fR;}
+ Double_t GetPhi() const {return fPhi;}
+ private:
+ Double_t fR; // polar coordinates
+ Double_t fPhi; // of this detector
+ };
+
+ class AliITSlayer {
+ public:
+ AliITSlayer();
+ AliITSlayer(Double_t r, Double_t p, Double_t z, Int_t nl, Int_t nd);
+ ~AliITSlayer();
+ Int_t InsertCluster(AliITSclusterV2 *c);
+ void SelectClusters(Double_t zmi,Double_t zma,Double_t ymi,Double_t yma);
+ const AliITSclusterV2 *GetNextCluster(Int_t &ci);
+ void *operator new(size_t s, AliITSlayer *p) {return p;}
+ Double_t GetR() const {return fR;}
+ AliITSclusterV2 *GetCluster(Int_t i) const {return fClusters[i];}
+ AliITSdetector &GetDetector(Int_t n) const { return fDetectors[n]; }
+ Int_t FindDetectorIndex(Double_t phi, Double_t z) const;
+ Double_t GetThickness(Double_t phi, Double_t z) const;
+ Int_t InRoad() const ;
+ Int_t GetNumberOfClusters() const {return fN;}
+ private:
+ Double_t fR; // mean radius of this layer
+ Double_t fPhiOffset; // offset of the first detector in Phi
+ Int_t fNladders; // number of ladders
+ Double_t fZOffset; // offset of the first detector in Z
+ Int_t fNdetectors; // detectors/ladder
+ AliITSdetector *fDetectors; // array of detectors
+ Int_t fN; // number of clusters
+ AliITSclusterV2 *fClusters[kMaxClusterPerLayer]; // pointers to clusters
+ Double_t fZmax; // edges
+ Double_t fYmin; // of the
+ Double_t fYmax; // "window"
+ Int_t fI; // index of the current cluster within the "window"
+ Int_t FindClusterIndex(Double_t z) const;
+ };
private:
-
+ void CookLabel(AliKalmanTrack *t,Float_t wrong) const;
Double_t GetEffectiveThickness(Double_t phi, Double_t z) const;
-
void FollowProlongation();
Int_t TakeNextProlongation();
-
void ResetBestTrack() {
fBestTrack.~AliITStrackV2();
new(&fBestTrack) AliITStrackV2(fTrackToFollow);
}
-
void ResetTrackToFollow(const AliITStrackV2 &t) {
fTrackToFollow.~AliITStrackV2();
new(&fTrackToFollow) AliITStrackV2(t);
}
-
- //The two subclasses are public in order to access one from the another
- public:
-class AliITSdetector {
-private:
- Double_t fR; // polar coordinates
- Double_t fPhi; // of this detector
-
-public:
- AliITSdetector(){}
- AliITSdetector(Double_t r,Double_t phi) {fR=r; fPhi=phi;}
-
- void *operator new(size_t s,AliITSdetector *p) {return p;}
-
- Double_t GetR() const {return fR;}
- Double_t GetPhi() const {return fPhi;}
-};
-
-class AliITSlayer {
- Double_t fR; // mean radius of this layer
- Double_t fPhiOffset; // offset of the first detector in Phi
- Int_t fNladders; // number of ladders
- Double_t fZOffset; // offset of the first detector in Z
- Int_t fNdetectors; // detectors/ladder
- AliITSdetector *fDetectors; // array of detectors
-
- Int_t fN; // number of clusters
- AliITSclusterV2 *fClusters[kMaxClusterPerLayer]; // pointers to clusters
-
- Double_t fZmax; // edges
- Double_t fYmin; // of the
- Double_t fYmax; // "window"
- Int_t fI; // index of the current cluster within the "window"
-
- Int_t FindClusterIndex(Double_t z) const;
-
-public:
- AliITSlayer();
- AliITSlayer(Double_t r, Double_t p, Double_t z, Int_t nl, Int_t nd);
- ~AliITSlayer();
- Int_t InsertCluster(AliITSclusterV2 *c);
- void SelectClusters(Double_t zmin,Double_t zmax,Double_t ymin,Double_t ymax);
- const AliITSclusterV2 *GetNextCluster(Int_t &ci);
-
- void *operator new(size_t s, AliITSlayer *p) {return p;}
-
- Double_t GetR() const {return fR;}
- AliITSclusterV2 *GetCluster(Int_t i) const {return fClusters[i];}
- AliITSdetector &GetDetector(Int_t n) const { return fDetectors[n]; }
- Int_t FindDetectorIndex(Double_t phi, Double_t z) const;
- Double_t GetThickness(Double_t phi, Double_t z) const;
-
- Int_t InRoad() const ;
-};
-
- private:
- Int_t fI; // index of the current layer
+ Int_t fEventN; //event number
+ Int_t fI; // index of the current layer
static AliITSlayer fLayers[kMaxLayer]; // ITS layers
- AliITStrackV2 fTracks[kMaxLayer]; // track estimations at the ITS layers
- AliITStrackV2 fBestTrack; // "best" track
- AliITStrackV2 fTrackToFollow; // followed track
-
- Double_t fYV; // Y-coordinate of the primary vertex
- Double_t fZV; // Z-coordinate of the primary vertex
+ AliITStrackV2 fTracks[kMaxLayer]; // track estimations at the ITS layers
+ AliITStrackV2 fBestTrack; // "best" track
+ AliITStrackV2 fTrackToFollow; // followed track
+ Int_t fPass; // current pass through the data
+ Int_t fConstraint[2]; // constraint flags
};
+inline void AliITStrackerV2::SetupFirstPass(Int_t *flags, Double_t *cuts) {
+ // This function sets up flags and cuts for the first tracking pass
+ //
+ // flags[0] - vertex constaint flag
+ // negative means "skip the pass"
+ // 0 means "no constraint"
+ // positive means "normal constraint"
+
+ fConstraint[0]=flags[0];
+ if (cuts==0) return;
+}
+
+inline void AliITStrackerV2::SetupSecondPass(Int_t *flags, Double_t *cuts) {
+ // This function sets up flags and cuts for the second tracking pass
+ //
+ // flags[0] - vertex constaint flag
+ // negative means "skip the pass"
+ // 0 means "no constraint"
+ // positive means "normal constraint"
+
+ fConstraint[1]=flags[0];
+ if (cuts==0) return;
+}
+
+inline void AliITStrackerV2::CookLabel(AliKalmanTrack *t,Float_t wrong) const {
+ //--------------------------------------------------------------------
+ //This function "cooks" a track label. If label<0, this track is fake.
+ //--------------------------------------------------------------------
+ Int_t tpcLabel=t->GetLabel();
+ if (tpcLabel<0) return;
+ AliTracker::CookLabel(t,wrong);
+ if (tpcLabel != t->GetLabel()) t->SetLabel(-tpcLabel);
+}
#endif
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff