Fix from comparison (Constantin Loizides, Tim Schuster)
[u/mrichter/AliRoot.git] / ITS / UPGRADE / AliITSUTrackerGlo.h
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32d38de2 1#ifndef ALIITSTRACKERU_H
2#define ALIITSTRACKERU_H
3/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
5
6//-------------------------------------------------------------------------
7// ITS upgrade tracker base class
8//-------------------------------------------------------------------------
9
10#include "AliTracker.h"
11#include "AliESDEvent.h"
f8832015 12#include "AliITSUSeed.h"
32d38de2 13
14class AliITSUReconstructor;
15class AliITSURecoDet;
c61e50c3 16class AliITSUClusterPix;
0091e9f0 17class AliESDtrack;
c61e50c3 18
32d38de2 19class TTree;
20
c61e50c3 21
32d38de2 22//-------------------------------------------------------------------------
23class AliITSUTrackerGlo : public AliTracker {
24
25 public:
26 enum { // info from track extrapolation to layer for cluster check
27 kTrXIn ,kTrYIn ,kTrZIn ,kTrPhiIn , // entrance (outer) point on the layer from above
28 kTrXOut,kTrYOut,kTrZOut,kTrPhiOut, // exit (inner) point on the layer
29 kTrPhi0, kTrDPhi, kTrZ0, kTrDZ, // mean phi,dPhi, mean z, dZ (don't change this order)
c61e50c3 30 kNTrImpData};
32d38de2 31 //
f8832015 32 enum {kMissingCluster=0 // no cluster found on this layer
33 ,kTransportFailed=1 // seed did not reach target layer
32d38de2 34 ,kRWCheckFailed =2 // failed to rotate the seed to frame of the layer impact point
35 };
f8832015 36 enum {kStopSearchOnSensor,kClusterNotMatching,kClusterMatching}; // flags for track-to-cluster checks
32d38de2 37
38 AliITSUTrackerGlo(AliITSUReconstructor* rec);
39 virtual ~AliITSUTrackerGlo();
40
41 virtual Int_t Clusters2Tracks(AliESDEvent *event);
42 virtual Int_t PropagateBack(AliESDEvent *event);
43 virtual Int_t RefitInward(AliESDEvent *event);
44 virtual Int_t LoadClusters(TTree * treeRP=0);
45 virtual void UnloadClusters();
46 virtual AliCluster* GetCluster(Int_t index) const;
0091e9f0 47 //------------------------------------
48 AliITSURecoDet* GetITSInterface() const {return fITS;}
49 //
32d38de2 50 //------------------------------------
51 Bool_t NeedToProlong(AliESDtrack* estTr);
52 void Init(AliITSUReconstructor* rec);
53 void FindTrack(AliESDtrack* esdTr);
54 Bool_t InitSeed(AliESDtrack *esdTr);
c61e50c3 55 Int_t GetNSeeds(Int_t lr) const {return fSeedsLr[lr].GetEntriesFast();} //RS TOCHECK
56 AliITSUSeed* GetSeed(Int_t lr, Int_t sID) const {return (AliITSUSeed*)fSeedsLr[lr].UncheckedAt(sID);} //RS TOCHECK
32d38de2 57 Bool_t TransportToLayer(AliITSUSeed* seed, Int_t lFrom, Int_t lTo);
58 Bool_t NeedToKill(AliITSUSeed* seed, Int_t flag) {return kFALSE;} // todo
59 void KillSeed(Int_t ilr, Int_t id) {} // todo
c61e50c3 60 Bool_t GetRoadWidth(AliITSUSeed* seed, int ilrA);
f8832015 61 Int_t CheckCluster(AliITSUSeed* seed, Int_t lr, Int_t clID);
62 void AddProlongationHypothesis(AliITSUSeed* seed, Int_t lr);
c61e50c3 63 //
64 AliITSUSeed* NewSeedFromPool(const AliITSUSeed* src=0);
65 void DeleteLastSeedFromPool() {fSeedsPool.RemoveLast();}
66 void ResetSeedTree(); // RS TOCHECK
32d38de2 67 //
32d38de2 68 private:
69
70 AliITSUTrackerGlo(const AliITSUTrackerGlo&);
71 AliITSUTrackerGlo &operator=(const AliITSUTrackerGlo &tr);
72 //
73 protected:
74 AliITSUReconstructor* fReconstructor; // ITS global reconstructor
75 AliITSURecoDet* fITS; // interface to ITS
0091e9f0 76 AliESDtrack* fCurrESDtrack; // current esd track in processing
32d38de2 77 Double_t fCurrMass; // current track mass
c61e50c3 78 Double_t fTrImpData[kNTrImpData]; // data on track impact on the layer
32d38de2 79 //
c61e50c3 80 // the seeds management to be optimized
81 TObjArray* fSeedsLr; // seeds at each layer
32d38de2 82 TClonesArray fSeedsPool; // pool for seeds
83
84 ClassDef(AliITSUTrackerGlo,1) //ITS upgrade tracker
85
86};
f8832015 87
88//_________________________________________________________________________
89inline void AliITSUTrackerGlo::AddProlongationHypothesis(AliITSUSeed* seed, Int_t lr)
90{
91 // add new seed prolongation hypothesis
92 fSeedsLr[lr].AddLast(seed);
dde91d5d 93 seed->Print("par");
f8832015 94}
95
96
32d38de2 97#endif
98