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1 | #ifndef ALIITSSEGMENTATIONSDD_H | |
2 | #define ALIITSSEGMENTATIONSDD_H | |
3 | ||
4 | ||
5 | #include "AliITSsegmentation.h" | |
6 | ||
7 | ////////////////////////////////////////////////////// | |
8 | // Segmentation class for SDD // | |
9 | // // | |
10 | ////////////////////////////////////////////////////// | |
11 | class AliITSsegmentationSDD : | |
12 | public AliITSsegmentation { | |
13 | public: | |
14 | ||
15 | ||
16 | AliITSsegmentationSDD(Option_t *opt=""); | |
17 | AliITSsegmentationSDD(const AliITSsegmentationSDD &source); | |
18 | AliITSsegmentationSDD& operator=(const AliITSsegmentationSDD &source); | |
19 | virtual ~AliITSsegmentationSDD(){} | |
20 | ||
21 | // Set Detector Segmentation Parameters | |
22 | // | |
23 | // get the drift speed used for this segmentation | |
24 | virtual Float_t GetDriftSpeed()const{return fDriftSpeed;} | |
25 | // Set the drift speed needed for this segmentation | |
26 | virtual void SetDriftSpeed(Float_t ds){ | |
27 | fDriftSpeed = ds; | |
28 | fSetDriftSpeed=kTRUE; | |
29 | } | |
30 | // Cell size dz*dx | |
31 | virtual void SetPadSize(Float_t pitch, Float_t clock) | |
32 | {fPitch=pitch;fTimeStep=1000./clock;} | |
33 | ||
34 | // Maximum number of cells along the two coordinates z,x (anodes,samples) | |
35 | virtual void SetNPads(Int_t p1, Int_t p2) | |
36 | {fNanodes=2*p1;fNsamples=p2;} | |
37 | // Returns the maximum number of cells (digits) posible | |
38 | virtual Int_t GetNPads() const {return fNanodes*fNsamples;} | |
39 | ||
40 | // Transform from real local to cell coordinates | |
41 | virtual void GetPadIxz(Float_t x ,Float_t z ,Int_t &ix,Int_t &iz) const; | |
42 | // Transform from cell to real local coordinates | |
43 | virtual void GetPadCxz(Int_t ix,Int_t iz,Float_t &x ,Float_t &z ) const; | |
44 | ||
45 | // Get anode and time bucket as floats - numbering from 0 | |
46 | virtual void GetPadTxz(Float_t &x ,Float_t &z) const; | |
47 | // Transformation from Geant cm detector center local coordinates | |
48 | // to detector segmentation/cell coordiantes starting from (0,0). | |
49 | virtual Bool_t LocalToDet(Float_t x,Float_t z,Int_t &ix,Int_t &iz) const; | |
50 | // Transformation from detector segmentation/cell coordiantes starting | |
51 | // from (0,0) to Geant cm detector center local coordinates. | |
52 | virtual void DetToLocal(Int_t ix,Int_t iz,Float_t &x,Float_t &z) const; | |
53 | // | |
54 | virtual Float_t GetAnodeFromLocal(Float_t x,Float_t z) const; | |
55 | virtual Int_t GetSideFromLocalX(Float_t xloc) const { | |
56 | if(xloc>0) return 0; // left side (channel 0) positive xloc | |
57 | else return 1; // right side (channel 1) negative xloc | |
58 | } | |
59 | virtual Float_t GetLocalZFromAnode(Int_t nAnode) const; | |
60 | virtual Float_t GetLocalZFromAnode(Float_t zAnode) const; | |
61 | virtual Float_t GetDriftTimeFromTb(Int_t tb) const { | |
62 | Float_t xtb=(Float_t)tb+0.5; | |
63 | return GetDriftTimeFromTb(xtb); | |
64 | } | |
65 | virtual Float_t GetDriftTimeFromTb(Float_t xtb) const { | |
66 | return xtb*fTimeStep; | |
67 | } | |
68 | virtual Int_t GetNumberOfChips() const { | |
69 | return fgkNchipsPerHybrid; | |
70 | } | |
71 | virtual Int_t GetMaximumChipIndex() const{ | |
72 | return fgkNchipsPerHybrid*2-1; | |
73 | } | |
74 | virtual Int_t GetChipFromLocal(Float_t xloc, Float_t zloc) const; | |
75 | virtual Int_t GetChipsInLocalWindow(Int_t* array, Float_t zmin, Float_t zmax, Float_t xmin, Float_t xmax) const; | |
76 | ||
77 | ||
78 | virtual Int_t GetChipFromChannel(Int_t ix, Int_t iz) const; | |
79 | ||
80 | // Initialisation | |
81 | virtual void Init(); | |
82 | ||
83 | // | |
84 | // Get member data | |
85 | // | |
86 | // Cell size in x | |
87 | virtual Float_t Dpx(Int_t) const {return fTimeStep;} | |
88 | // Cell size in z | |
89 | virtual Float_t Dpz(Int_t) const {return fPitch;} | |
90 | ||
91 | // Maximum number of samples in x | |
92 | virtual Int_t Npx() const {return fNsamples;} | |
93 | // Maximum number of anodes in z | |
94 | virtual Int_t Npz() const {return fNanodes;} | |
95 | // Maximum number of anodes in z | |
96 | virtual Int_t NpzHalf() const {return fNanodes/2;} | |
97 | ||
98 | // | |
99 | // Get next neighbours | |
100 | virtual void Neighbours(Int_t iX,Int_t iZ,Int_t* Nlist,Int_t Xlist[10], | |
101 | Int_t Zlist[10]) const; | |
102 | ||
103 | // Current integration limits | |
104 | virtual void IntegrationLimits(Float_t&,Float_t&,Float_t&,Float_t&) {} | |
105 | // Print Parameters | |
106 | virtual void Print(Option_t *opt="") const; | |
107 | // Print default parameters (static const data members, if any) | |
108 | virtual void PrintDefaultParameters() const; | |
109 | ||
110 | static Int_t GetNAnodesPerHybrid() { return fgkHalfNanodesDefault;} | |
111 | protected: | |
112 | ||
113 | virtual void Copy(TObject &obj) const; | |
114 | ||
115 | Int_t fNsamples; // Number of time samples in x | |
116 | Int_t fNanodes; // Summed # of anodes in the two det halves (z) | |
117 | Float_t fPitch; // Anode pitch - microns | |
118 | Float_t fTimeStep; // Sampling time - ns | |
119 | Float_t fDriftSpeed; // Drift speed | |
120 | Bool_t fSetDriftSpeed; // flag for usage of drift speed | |
121 | static const Float_t fgkDxDefault; // Default value for fDx | |
122 | static const Float_t fgkDzDefault; // Default value for fDz | |
123 | static const Float_t fgkDyDefault; // Default value for fDy | |
124 | static const Float_t fgkPitchDefault; //Default value for fPitch | |
125 | static const Float_t fgkClockDefault; //Default value for the clock freq. | |
126 | static const Int_t fgkHalfNanodesDefault; //Default value for fNanodes/2 | |
127 | static const Int_t fgkNsamplesDefault; //Default value for fNsamples | |
128 | static const Int_t fgkNchipsPerHybrid; //number of chips per hybrid | |
129 | static const Int_t fgkNanodesPerChip; //number of chips per hybrid | |
130 | static const Float_t fgkCm2Micron; // conversion from cm to micron | |
131 | static const Float_t fgkMicron2Cm; // conversion from micron to cm | |
132 | ClassDef(AliITSsegmentationSDD,6) // SDD segmentation | |
133 | }; | |
134 | ||
135 | #endif |