Corrections for memory leaks, random numbers, hit number; also some data members...
[u/mrichter/AliRoot.git] / ITS / AliITSsegmentationSDD.h
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b0f5e3fc 1#ifndef ALIITSSEGMENTATIONSDD_H
2#define ALIITSSEGMENTATIONSDD_H
3
4
5#include "AliITSsegmentation.h"
b0f5e3fc 6
7// segmentation for SDD
8
1ca7869b 9class AliITSresponse;
b0f5e3fc 10class AliITSsegmentationSDD :
11public AliITSsegmentation {
12 public:
13
14
15 AliITSsegmentationSDD();
16 AliITSsegmentationSDD(AliITSgeom *gm, AliITSresponse *resp);
b0f5e3fc 17 virtual ~AliITSsegmentationSDD(){}
b0f5e3fc 18
19 // Set Detector Segmentation Parameters
20 //
21 // Detector size : x,z,y
03898a57 22 virtual void SetDetSize
23 (Float_t p1=35085., Float_t p2=75264., Float_t p3= 300.)
b0f5e3fc 24 {fDx=p1; fDz=p2; fDy=p3;}
25
26 // Cell size dz*dx
e8189707 27 virtual void SetPadSize(Float_t pitch=294., Float_t clock=40.)
b0f5e3fc 28 {fPitch=pitch;fTimeStep=1000./clock;}
29
30 // Maximum number of cells along the two coordinates z,x (anodes,samples)
e8189707 31 virtual void SetNPads(Int_t p1=256, Int_t p2=256)
b0f5e3fc 32 {fNanodes=2*p1;fNsamples=p2;}
5752a110 33 // Returns the maximum number of cells (digits) posible
3b9db792 34 virtual Int_t GetNPads(){return fNanodes*fNsamples;}
b0f5e3fc 35
36 // Transform from real local to cell coordinates
e8189707 37 virtual void GetPadIxz(Float_t x ,Float_t z ,Int_t &ix,Int_t &iz);
b0f5e3fc 38 // Transform from cell to real local coordinates
e8189707 39 virtual void GetPadCxz(Int_t ix,Int_t iz,Float_t &x ,Float_t &z );
b0f5e3fc 40 // Transform from real global to local coordinates
41 virtual void GetLocal(Int_t module,Float_t *g ,Float_t *l);
42 // Transform from real local to global coordinates
43 virtual void GetGlobal(Int_t module,Float_t *l ,Float_t *g);
e8189707 44 // Get anode and time bucket as floats - numbering from 0
45 virtual void GetPadTxz(Float_t &x ,Float_t &z);
5752a110 46 // Transformation from Geant cm detector center local coordinates
47 // to detector segmentation/cell coordiantes starting from (0,0).
48 virtual void LocalToDet(Float_t x,Float_t z,Int_t &ix,Int_t &iz);
49 // Transformation from detector segmentation/cell coordiantes starting
50 // from (0,0) to Geant cm detector center local coordinates.
51 virtual void DetToLocal(Int_t ix,Int_t iz,Float_t &x,Float_t &z);
b0f5e3fc 52 //
53 // Initialisation
54 virtual void Init();
55 //
56 // Get member data
57 //
58 // Detector type geometry
03898a57 59 AliITSgeom* Geometry() {return fGeom;}
b0f5e3fc 60 // Detector length
61 virtual Float_t Dx() {return fDx;}
5752a110 62 // Detector drift distance or detector active area half width
b0f5e3fc 63 virtual Float_t Dz() {return fDz;}
64 // Detector thickness
65 virtual Float_t Dy() {return fDy;}
66 // Cell size in x
67 virtual Float_t Dpx(Int_t dummy) {return fTimeStep;}
68 // Cell size in z
69 virtual Float_t Dpz(Int_t dummy) {return fPitch;}
70
71 // Maximum number of samples in x
72 virtual Int_t Npx() {return fNsamples;}
73 // Maximum number of anodes in z
74 virtual Int_t Npz() {return fNanodes;}
75
76 //
77 // Get next neighbours
78 virtual void Neighbours
79 (Int_t iX, Int_t iZ, Int_t* Nlist, Int_t Xlist[10], Int_t Zlist[10]);
80
81 // Set cell position
82 virtual void SetPad(Int_t, Int_t) {}
83 // Set hit position
84 virtual void SetHit(Float_t, Float_t) {}
85
86 //
87 // Iterate over cells
88 // Initialiser
e8189707 89 virtual void FirstPad
b0f5e3fc 90 (Float_t xhit, Float_t zhit, Float_t dx, Float_t dz) {}
91 // Stepper
e8189707 92 virtual void NextPad() {}
b0f5e3fc 93 // Condition
e8189707 94 virtual Int_t MorePads() {return 0;}
b0f5e3fc 95 //
96 // Current cell cursor during disintegration
97 // x-coordinate
98 virtual Int_t Ix() {return 0;}
99 // z-coordinate
100 virtual Int_t Iz() {return 0;}
101 //
102 // Signal Generation Condition during Stepping
103 virtual Int_t SigGenCond(Float_t x, Float_t y, Float_t z) {return 0;}
104 // Initialise signal generation at coord (x,y,z)
105 virtual void SigGenInit(Float_t x, Float_t y, Float_t z) {}
106 // Current integration limits
107 virtual void IntegrationLimits
108 (Float_t& x1, Float_t& x2, Float_t& z1, Float_t& z2) {}
109 // Test points for auto calibration
110 virtual void GiveTestPoints(Int_t &n, Float_t *x, Float_t *z) {}
111 // Function for systematic corrections
112 // Set the correction function
113 virtual void SetCorrFunc(Int_t, TF1*) {}
114 // Get the correction Function
115 virtual TF1* CorrFunc(Int_t) {return 0;}
f5d698b9 116 // Print Parameters
117 virtual void Print();
b0f5e3fc 118
03898a57 119 private:
120
121 AliITSsegmentationSDD(AliITSsegmentationSDD &source);
122 AliITSsegmentationSDD& operator=(AliITSsegmentationSDD &source);
123
b0f5e3fc 124 protected:
125
5752a110 126 Int_t fNsamples; // Number of time samples in x
127 Int_t fNanodes; // Summed # of anodes in the two det halves (z)
128 Float_t fPitch; // Anode pitch - microns
129 Float_t fTimeStep; // Sampling time - ns
130 Float_t fDx; // Drift distance of the 1/2detector (x axis)-microns
131 Float_t fDz; // Length of half-detector (z axis) - microns
132 Float_t fDy; // Full thickness of the detector (y axis) - microns
03898a57 133 Float_t fDriftSpeed; // Drift speed
b0f5e3fc 134
e8189707 135 AliITSgeom *fGeom; //! pointer to the geometry class
b0f5e3fc 136 TF1* fCorr; // correction function
137
03898a57 138 ClassDef(AliITSsegmentationSDD,2) // SDD segmentation
b0f5e3fc 139};
140
141#endif