/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
* See cxx source for full Copyright notice */
-#define _FILL_CONTROL_HISTOS_
-
//-------------------------------------------------------------------------
// ITS upgrade tracker base class
//-------------------------------------------------------------------------
-
#include "AliTracker.h"
#include "AliESDEvent.h"
#include "AliITSUSeed.h"
#include "AliITSUTrackCond.h"
#include "AliITSUTrackHyp.h"
+#include "AliITSUAux.h"
+#include "AliITSUMatLUT.h"
+#include <TArrayI.h>
class AliITSUReconstructor;
class AliITSURecoDet;
class AliITSURecoLayer;
class TTree;
-
//-------------------------------------------------------------------------
class AliITSUTrackerGlo : public AliTracker {
virtual Int_t LoadClusters(TTree * treeRP=0);
virtual void UnloadClusters();
virtual AliCluster* GetCluster(Int_t index) const;
- void FlagSplitClusters();
- Bool_t ContainsSplitCluster(const AliITSUSeed* seed, Int_t maxSize=99999);
void PrintSeedClusters(const AliITSUSeed* seed, Option_t* option="");
//
Int_t GetCountPronlongationTrials() const {return fCountProlongationTrials;}
AliITSURecoDet* GetITSInterface() const {return fITS;}
//
//------------------------------------
- Bool_t NeedToProlong(AliESDtrack* estTr);
+ Bool_t NeedToProlong(AliESDtrack* estTr, Int_t esdID);
void Init(AliITSUReconstructor* rec);
void FindTrack(AliESDtrack* esdTr, Int_t esdID);
void CreateDefaultTrackCond();
- Bool_t InitHypothesis(AliESDtrack *esdTr, Int_t esdID);
- Bool_t TransportToLayer(AliITSUSeed* seed, Int_t lFrom, Int_t lTo);
- Bool_t TransportToLayer(AliExternalTrackParam* seed, Int_t lFrom, Int_t lTo);
+ AliITSUTrackHyp* InitHypothesis(AliESDtrack *esdTr, Int_t esdID);
+ Bool_t TransportToLayer(AliITSUSeed* seed, Int_t lFrom, Int_t lTo, Double_t rLim=-1);
+ Bool_t TransportToLayer(AliExternalTrackParam* seed, Int_t lFrom, Int_t lTo, Double_t rLim=-1);
Bool_t TransportToLayerX(AliExternalTrackParam* seed, Int_t lFrom, Int_t lTo, Double_t xStop);
Bool_t GoToExitFromLayer(AliITSUSeed* seed, AliITSURecoLayer* lr, Int_t dir, Bool_t check=kTRUE);
Bool_t GoToExitFromLayer(AliExternalTrackParam* seed, AliITSURecoLayer* lr, Int_t dir, Bool_t check=kTRUE);
Bool_t GoToEntranceToLayer(AliExternalTrackParam* seed, AliITSURecoLayer* lr, Int_t dir, Bool_t check=kFALSE);
Bool_t PropagateSeed(AliITSUSeed *seed, Double_t xToGo, Double_t mass, Double_t maxStep=1.0, Bool_t matCorr=kTRUE);
Bool_t PropagateSeed(AliExternalTrackParam *seed, Double_t xToGo, Double_t mass, Double_t maxStep=1.0, Bool_t matCorr=kTRUE);
- Bool_t RefitTrack(AliITSUTrackHyp* trc, Double_t r, Bool_t stopAtLastCl=kFALSE);
- Int_t GetTrackingPhase() const {return fTrackPhase;}
+ Double_t RefitTrack(AliITSUTrackHyp* trc, Double_t r, Int_t& nclFit, Int_t stopCond=0);
+ Double_t GetMaterialBudget(const double* pnt0, const double* pnt1, double& x2x0, double& rhol) const;
+
+ Int_t GetTrackingPhase() const {return fTrackPhaseID;}
//
void KillSeed(AliITSUSeed* seed, Bool_t branch=kFALSE);
Bool_t NeedToKill(AliITSUSeed* seed, Int_t flag);
Bool_t GetRoadWidth(AliITSUSeed* seed, int ilrA);
+ Bool_t CheckBackwardMatching(AliITSUSeed* seed);
Int_t CheckCluster(AliITSUSeed* seed, Int_t lr, Int_t clID);
void AddProlongationHypothesis(AliITSUSeed* seed, Int_t lr);
Bool_t AddSeedBranch(AliITSUSeed* seed);
void ValidateAllowedBranches(Int_t accMax);
void ValidateAllowedCandidates(Int_t ilr, Int_t accMax);
+ void FlagSeedClusters(const AliITSUSeed* seed, Bool_t flg, UShort_t hypRef);
//
AliITSUSeed* NewSeedFromPool(const AliITSUSeed* src=0);
void ResetSeedsPool();
AliITSUTrackHyp* GetTrackHyp(Int_t id) const {return (AliITSUTrackHyp*)fHypStore.UncheckedAt(id);}
void SetTrackHyp(AliITSUTrackHyp* hyp,Int_t id) {fHypStore.AddAtAndExpand(hyp,id);}
void DeleteLastSeedFromPool() {fSeedsPool.RemoveLast();}
- void SaveCurrentTrackHypotheses();
+ void CheckClusterSharingConflicts(AliITSUTrackHyp* hyp);
+ void SaveReducedHypothesesTree(AliITSUTrackHyp* dest);
+ void CleanHypothesis(AliITSUTrackHyp* hyp);
void FinalizeHypotheses();
+ Bool_t FinalizeHypothesis(AliITSUTrackHyp* hyp);
void UpdateESDTrack(AliITSUTrackHyp* hyp,Int_t flag);
void CookMCLabel(AliITSUTrackHyp* hyp);
- void SetTrackingPhase(Int_t p) {fTrackPhase = p;}
- //
+ void SetTrackingPhase(Int_t p) {fTrackPhaseID = p;}
+ //
+ // monitoring stuff
+ void FlagSplitClusters();
+ Bool_t ContainsSplitCluster(const AliITSUSeed* seed, Int_t maxSize=99999);
+ void CheckClusterUsage();
+ //
protected:
TObject*& NextFreeSeed();
//
protected:
AliITSUReconstructor* fReconstructor; // ITS global reconstructor
AliITSURecoDet* fITS; // interface to ITS, borrowed from reconstructor
+ AliITSUMatLUT* fMatLUT; // material lookup table
AliESDtrack* fCurrESDtrack; // current esd track in processing
Int_t fCurrESDtrMClb; // its eventual mc label
Double_t fCurrMass; // current track mass
Int_t fCountITSin; // number of successful ITSin
Int_t fCountITSout; // number of successful ITSout
Int_t fCountITSrefit; // number of successful ITSrefit
+ Int_t fNTracksESD; // number of esd tracks
//
// the seeds management to be optimized
TObjArray fHypStore; // storage for tracks hypotheses
- AliITSUSeed* fLayerCandidates[AliITSUTrackCond::kMaxCandidates]; // array for branches of current track prolongation
+ Int_t fLayerMaxCandidates; //! size of tmp candidates array
+ AliITSUSeed** fLayerCandidates;//! array for branches of current track prolongation
Int_t fNBranchesAdded; // number of branches created for current seed in prolongation
Int_t fNCandidatesAdded; // number of candidates added for current seed in prolongation
- AliITSUTrackHyp* fCurrHyp; // hypotheses container for current track
+ AliITSUTrackHyp* fCurrHyp; //! hypotheses container for current track
+ AliITSUTrackHyp* fWorkHyp; //! temporary hypothesis for track finding
TClonesArray fSeedsPool; //! pool for seeds
TArrayI fFreeSeedsID; //! array of ID's of freed seeds
+ TArrayI fESDIndex; //! array of ID's of freed seeds
Int_t fNFreeSeeds; //! number of seeds freed in the pool
Int_t fLastSeedID; //! id of the pool seed on which is returned by the NextFreeSeed method
+ Int_t fNLrActive; //! number of active layers
//
TObjArray fDefTrackConds; //! default tracking conditions
- AliITSUTrackCond* fCurrTrackCond; // current tracking condition
- Int_t fTrackPhase; // tracking phase
- Int_t* fClInfo; //! auxiliary track cluster info
+ AliITSUTrackCond* fCurrTrackCond; //! current tracking condition
+ Int_t fCurrActLrID; //! current active layer ID being processed (set only when needed, not guaranteed)
+ AliITSURecoLayer* fCurrLayer; //! current layer being processed (set only when needed, not guaranteed)
+ Int_t fTrackPhaseID; //! tracking phase (clusters2tracks, backward, inward)
+ Int_t fCurrPassID; //! tracking pass (different tracking conditions)
+ Bool_t fUseMatLUT; //! use material lookup table rather than TGeo
//
static const Double_t fgkToler; // tracking tolerance
//
-#ifdef _FILL_CONTROL_HISTOS_
+#ifdef _ITSU_TUNING_MODE_
// this code is only for special histos needed to extract some control parameters
- void BookControlHistos();
- TObjArray* fCHistoArr;
- enum {kHResY=0,kHResYP=10,kHResZ=20,kHResZP=30,kHChi2Cl=40};
- enum {kHistosPhase=100};
+ Int_t GetHistoID(Int_t lr, Int_t hid, Int_t pass=0, Int_t phase=0);
+ TObjArray* BookControlHistos(const char* pref);
+ TObjArray* fCHistoArrCorr; // set of histos for each tracking pass/phase: correct
+ TObjArray* fCHistoArrFake; // set of histos for each tracking pass/phase: fakse
+ enum {kHResY,kHResYP,kHResZ,kHResZP,kHChi2Cl,kHChi2Nrm,kHBestInBranch,kHBestInCand,kMaxHID=10};
+ enum {kHChiMatch,kHChiITSSA}; // custom histos
+ enum {kHistosPhase=kMaxHID*(AliITSUAux::kMaxLayers+1),kHistosPass=kNTrackingPhases*kHistosPhase};
//
#endif
-
+ //
ClassDef(AliITSUTrackerGlo,1) //ITS upgrade tracker
};
inline void AliITSUTrackerGlo::AddProlongationHypothesis(AliITSUSeed* seed, Int_t lr)
{
// add new seed prolongation hypothesis
- fCurrHyp->AddSeed(seed,lr);
+#ifdef _ITSU_TUNING_MODE_
+ seed->SetOrdCand(fCurrHyp->GetNSeeds(lr));
+#endif
+ fCurrHyp->AddSeed(seed,lr);
+}
+
+//_________________________________________________________________________
+inline Double_t AliITSUTrackerGlo::GetMaterialBudget(const double* pnt0,const double* pnt1, double& x2x0, double& rhol) const
+{
+ double par[7];
+ if (fUseMatLUT && fMatLUT) {
+ double d = fMatLUT->GetMatBudget(pnt0,pnt1,par);
+ x2x0 = par[AliITSUMatLUT::kParX2X0];
+ rhol = par[AliITSUMatLUT::kParRhoL];
+ return d;
+ }
+ else {
+ MeanMaterialBudget(pnt0,pnt1,par);
+ x2x0 = par[1];
+ rhol = par[0]*par[4];
+ return par[4];
+ }
}
#endif
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff