Line data Source code
1 : #ifndef ALITPCTRACKERSECTOR_H
2 : #define ALITPCTRACKERSECTOR_H
3 : /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 : * See cxx source for full Copyright notice */
5 :
6 :
7 : /* $Id: AliTPCtrackerSector.h 25837 2008-05-16 16:39:00Z marian $ */
8 :
9 : //-------------------------------------------------------
10 : // TPC tracker - helper classes for cluster storing
11 : // and navigation
12 : //
13 : //
14 : // Origin:
15 : //-------------------------------------------------------
16 :
17 : #include "TClonesArray.h"
18 :
19 : //class TFile;
20 : class AliTPCParam;
21 : class TTreeSRedirector;
22 :
23 :
24 :
25 : class AliTPCtrackerRow : public TObject{
26 : public:
27 : AliTPCtrackerRow();
28 : ~AliTPCtrackerRow();
29 : void InsertCluster(const AliTPCclusterMI *c, UInt_t index);
30 : void ResetClusters();
31 248744 : operator int() const {return fN;}
32 535124 : Int_t GetN() const {return fN;}
33 277124 : const AliTPCclusterMI* operator[](Int_t i) const {return fClusters[i];}
34 144096 : UInt_t GetIndex(Int_t i) const {return fIndex[i];}
35 : Int_t Find(Double_t z) const;
36 : AliTPCclusterMI * FindNearest(Double_t y, Double_t z, Double_t roady, Double_t roadz) const;
37 : AliTPCclusterMI * FindNearest2(Double_t y, Double_t z, Double_t roady, Double_t roadz, UInt_t & index) const;
38 :
39 11448 : void SetX(Double_t x) {fX=x;}
40 252428 : Double_t GetX() const {return fX;}
41 198704 : Float_t GetDeadZone() const {return fDeadZone;}
42 11448 : void SetDeadZone(Float_t d) {fDeadZone=d;}
43 1483652 : Int_t GetN1() const {return fN1;}
44 45792 : void SetN1(Int_t n) {fN1=n;}
45 1446482 : Int_t GetN2() const {return fN2;}
46 45666 : void SetN2(Int_t n) {fN2=n;}
47 807556 : TClonesArray* GetClusters1() const {return fClusters1;}
48 808658 : TClonesArray* GetClusters2() const {return fClusters2;}
49 : void SetCluster1(Int_t i, const AliTPCclusterMI &cl);
50 : void SetCluster2(Int_t i, const AliTPCclusterMI &cl);
51 :
52 269360 : AliTPCclusterMI* GetCluster1(Int_t i) const {return (fClusters1)?(AliTPCclusterMI*) fClusters1->At(i):NULL;}
53 250224 : AliTPCclusterMI* GetCluster2(Int_t i) const {return (fClusters2)?(AliTPCclusterMI*) fClusters2->At(i):NULL;}
54 :
55 23805468 : Short_t GetFastCluster(Int_t i) const {return fFastCluster[i];}
56 : void SetFastCluster(Int_t i, Short_t cl);
57 0 : Int_t IncrementN1() { return ++fN1;}
58 0 : Int_t IncrementN2() { return ++fN2;}
59 :
60 : private:
61 : AliTPCtrackerRow & operator=(const AliTPCtrackerRow & );
62 : AliTPCtrackerRow(const AliTPCtrackerRow& /*r*/); //dummy copy constructor
63 : Float_t fDeadZone; // the width of the dead zone
64 : TClonesArray *fClusters1; //array with clusters 1
65 : Int_t fN1; //number of clusters on left side
66 : TClonesArray *fClusters2; //array with clusters 2
67 : Int_t fN2; // number of clusters on right side of the TPC
68 : Short_t fFastCluster[510]; //index of the nearest cluster at given position
69 : Int_t fN; //number of clusters
70 : const AliTPCclusterMI *fClusters[kMaxClusterPerRow]; //pointers to clusters
71 : // indexes for cluster at given position z
72 : // AliTPCclusterMI *fClustersArray; //
73 : UInt_t fIndex[kMaxClusterPerRow]; //indeces of clusters
74 : Double_t fX; //X-coordinate of this row
75 16 : ClassDef(AliTPCtrackerRow,0)
76 : };
77 :
78 :
79 : //**************** Internal tracker class **********************
80 : class AliTPCtrackerSector: public TObject {
81 : public:
82 72 : AliTPCtrackerSector():
83 72 : fN(0),
84 72 : fRow(0),
85 72 : fAlpha(0.),
86 72 : fAlphaShift(0.),
87 72 : fPadPitchWidth(0.),
88 72 : fPadPitchLength(0.),
89 72 : f1PadPitchLength(0.),
90 432 : f2PadPitchLength(0.) {}
91 6228 : ~AliTPCtrackerSector() { delete[] fRow; }
92 4423836 : AliTPCtrackerRow& operator[](Int_t i) const { return *(fRow+i); }
93 2816578 : Int_t GetNRows() const { return fN; }
94 : void Setup(const AliTPCParam *par, Int_t flag);
95 0 : Double_t GetX(Int_t l) const {return fRow[l].GetX();}
96 : Double_t GetMaxY(Int_t l) const {
97 0 : return GetX(l)*TMath::Tan(0.5*GetAlpha());
98 : }
99 105804 : Double_t GetAlpha() const {return fAlpha;}
100 92180 : Double_t GetAlphaShift() const {return fAlphaShift;}
101 : //Int_t GetFirst(){return fFirstRow;}
102 : Int_t GetNClInSector(Int_t side);
103 : Int_t GetRowNumber(Double_t x) const;
104 0 : Double_t GetPadPitchWidth() const {return fPadPitchWidth;}
105 0 : Double_t GetPadPitchLength() const {return fPadPitchLength;}
106 0 : Double_t GetPadPitchLength(Float_t x) const {return (x<200) ? fPadPitchLength:f2PadPitchLength ;}
107 :
108 : void InsertCluster(AliTPCclusterMI *cl, Int_t size, const AliTPCParam *par);
109 :
110 : Int_t GetNClInSector(Int_t side) const;
111 : Int_t GetNClUsedInSector(Int_t side) const;
112 :
113 : private:
114 : AliTPCtrackerSector & operator=(const AliTPCtrackerSector & );
115 : AliTPCtrackerSector(const AliTPCtrackerSector &/*s*/); //dummy copy contructor
116 : Int_t fN; //number of pad rows
117 : //Int_t fFirstRow; //offset
118 : AliTPCtrackerRow *fRow; //array of pad rows
119 : Double_t fAlpha; //opening angle
120 : Double_t fAlphaShift; //shift angle;
121 : Double_t fPadPitchWidth; //pad pitch width
122 : Double_t fPadPitchLength; //pad pitch length
123 : Double_t f1PadPitchLength; //pad pitch length
124 : Double_t f2PadPitchLength; //pad pitch length
125 16 : ClassDef(AliTPCtrackerSector,1)
126 : };
127 :
128 :
129 :
130 : #endif
131 :
132 :
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