Updated comment for compliance with the parsing algorithm
[u/mrichter/AliRoot.git] / ITS / AliITSsegmentation.h
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b0f5e3fc 1#ifndef ALIITSSEGMENTATION_H
2#define ALIITSSEGMENTATION_H
3
b0f5e3fc 4#include <TObject.h>
f6b6d58e 5#include "AliLog.h"
6#include "AliITSgeom.h"
b0f5e3fc 7
1ca7869b 8class TF1;
b0f5e3fc 9//----------------------------------------------
10//
11// ITS segmentation virtual base class
12//
13class AliITSsegmentation :
14public TObject {
15 public:
55d2c544 16 AliITSsegmentation();
f6b6d58e 17 AliITSsegmentation(AliITSgeom *geom);
55d2c544 18 AliITSsegmentation(const AliITSsegmentation& source);
19 virtual ~AliITSsegmentation();
20 AliITSsegmentation& operator=(const AliITSsegmentation &source);
b0f5e3fc 21 // Set Detector Segmentation Parameters
22 //
23 // Detector size
55d2c544 24 virtual void SetDetSize(Float_t p1,Float_t p2,Float_t p3)
25 {fDx=p1; fDz=p2; fDy=p3;}
b0f5e3fc 26 // Cell size
55d2c544 27 virtual void SetPadSize(Float_t,Float_t) {MayNotUse("SetPadSize");}
b0f5e3fc 28 // Maximum number of cells along the two coordinates
55d2c544 29 virtual void SetNPads(Int_t,Int_t) = 0;
5752a110 30 // Returns the maximum number of cells (digits) posible
55d2c544 31 virtual Int_t GetNPads() const = 0;
a244dbf6 32 // Set layer
55d2c544 33 virtual void SetLayer(Int_t) {MayNotUse("SetLayer");}
b0f5e3fc 34 // Transform from real to cell coordinates
55d2c544 35 virtual void GetPadIxz(Float_t,Float_t,Int_t &,Int_t &) const = 0;
b0f5e3fc 36 // Transform from cell to real coordinates
55d2c544 37 virtual void GetPadCxz(Int_t,Int_t,Float_t &,Float_t &) const = 0;
f6b6d58e 38
b0f5e3fc 39 // Transform from real global to local coordinates
f6b6d58e 40 void GetLocal(Int_t module,Float_t *g ,Float_t *l) const {
41 if(!fGeom) {
42 AliFatal("Pointer to ITS geometry class (AliITSgeom) is null\n");
43 return;
44 }
45 fGeom->GtoL(module,g,l);
46 }
b0f5e3fc 47 // Transform from real local to global coordinates
f6b6d58e 48 void GetGlobal(Int_t module,Float_t *l ,Float_t *g) const {
49 if(!fGeom) {
50 AliFatal("Pointer to ITS geometry class (AliITSgeom) is null\n");
51 }
52 fGeom->LtoG(module,l,g);
53 }
e8189707 54 // Local transformation of real local coordinates -
55d2c544 55 virtual void GetPadTxz(Float_t &,Float_t &) const = 0;
5752a110 56 // Transformation from Geant cm detector center local coordinates
57 // to detector segmentation/cell coordiantes starting from (0,0).
aacedc3e 58 virtual Bool_t LocalToDet(Float_t,Float_t,Int_t &,Int_t &) const = 0;
5752a110 59 // Transformation from detector segmentation/cell coordiantes starting
60 // from (0,0) to Geant cm detector center local coordinates.
55d2c544 61 virtual void DetToLocal(Int_t,Int_t,Float_t &,Float_t &) const = 0;
b0f5e3fc 62 // Initialisation
55d2c544 63 virtual void Init() = 0;
b0f5e3fc 64 //
65 // Get member data
66 //
67 // Detector type geometry
55d2c544 68 virtual AliITSgeom* Geometry() const {return fGeom;}
b0f5e3fc 69 // Detector length
55d2c544 70 virtual Float_t Dx() const {return fDx;}
b0f5e3fc 71 // Detector width
55d2c544 72 virtual Float_t Dz() const {return fDz;}
b0f5e3fc 73 // Detector thickness
a3da6340 74 virtual Float_t Dy() const {return fDy;}
b0f5e3fc 75 // Cell size in x
55d2c544 76 virtual Float_t Dpx(Int_t) const = 0;
b0f5e3fc 77 // Cell size in z
55d2c544 78 virtual Float_t Dpz(Int_t) const = 0;
b0f5e3fc 79 // Maximum number of Cells in x
55d2c544 80 virtual Int_t Npx() const = 0;
b0f5e3fc 81 // Maximum number of Cells in z
55d2c544 82 virtual Int_t Npz() const = 0;
a244dbf6 83 // Layer
55d2c544 84 virtual Int_t GetLayer() const {MayNotUse("GetLayer"); return 0;}
b0f5e3fc 85 // Set hit position
55d2c544 86 // virtual void SetHit(Float_t, Float_t) {}
87 // angles
88 virtual void Angles(Float_t& /* p */, Float_t& /* n */) const
89 {MayNotUse("Angles");}
90
b0f5e3fc 91 //
92 // Get next neighbours
55d2c544 93 virtual void Neighbours(Int_t,Int_t,Int_t*,Int_t[10],Int_t[10]) const
94 {MayNotUse("Neighbours");}
95
b0f5e3fc 96 // Function for systematic corrections
97 // Set the correction function
55d2c544 98 virtual void SetCorrFunc(TF1* fc) {fCorr = fc;}
b0f5e3fc 99 // Get the correction Function
55d2c544 100 virtual TF1* CorrFunc() {return fCorr;}
101 // Print Default parameters
102 virtual void PrintDefaultParameters() const = 0;
103
104 protected:
105
106 virtual void Copy(TObject &obj) const;
107
108 Float_t fDx; //SPD: Full width of the detector (x axis)- microns
109 //SDD: Drift distance of the 1/2detector (x axis)-microns
110 //SSD: Full length of the detector (x axis)- microns
111 Float_t fDz; //SPD: Full length of the detector (z axis)- microns
112 //SDD: Length of half-detector (z axis) - microns
113 //SSD: Full width of the detector (z axis)- microns
114 Float_t fDy; //SPD: Full thickness of the detector (y axis) -um
115 //SDD: Full thickness of the detector (y axis) - microns
116 //SSD: Full thickness of the detector (y axis) -um
117 AliITSgeom *fGeom; //! pointer to the geometry class
118 TF1* fCorr; // correction function
119
120 ClassDef(AliITSsegmentation,2) //Segmentation virtual base class
b0f5e3fc 121};
b0f5e3fc 122#endif