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e118b27e 1#ifndef ALI_MUON_ST12_QUADRANT_SEGMENTATION_H
2#define ALI_MUON_ST12_QUADRANT_SEGMENTATION_H
3
4/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
5 * See cxx source for full Copyright notice */
6
7/* $Id$ */
8// Revision of includes 07/05/2004
9
692de412 10/// \ingroup base
11/// \class AliMUONSt12QuadrantSegmentation
12/// \brief Segmentation for MUON quadrants of stations 1 and 2
13
e118b27e 14// Class AliMUONSt12QuadrantSegmentation
15// -------------------------------------
16// Segmentation for MUON quadrants of stations 1 and 2 using
17// the mapping package
18//
19// Author: Ivana Hrivnacova, IPN Orsay
20
21#include "AliMpStationType.h"
22#include "AliMpPlaneType.h"
23
e0a49962 24#include "AliMUONVGeometryDESegmentation.h"
e118b27e 25
26class TObjArray;
27
28class AliMpSector;
29class AliMpSectorSegmentation;
30class AliMpVPadIterator;
31class AliMpPad;
32
33class AliMUONChamber;
34
e0a49962 35class AliMUONSt12QuadrantSegmentation : public AliMUONVGeometryDESegmentation
e118b27e 36{
37 public:
8fbf5237 38 AliMUONSt12QuadrantSegmentation(AliMpVSegmentation* segmentation,
39 AliMpStationType stationType,
e0a49962 40 AliMpPlaneType planeType);
e118b27e 41 AliMUONSt12QuadrantSegmentation();
42
43 virtual ~AliMUONSt12QuadrantSegmentation();
44
45 //
46 // methods derived from base class
47 //
48
49 // Set Chamber Segmentation Parameters
50 //
51 virtual void SetPadSize(Float_t p1, Float_t p2);
52 // Pad size Dx*Dy
53 virtual void SetDAnod(Float_t D);
54 // Anode Pitch
55
e0a49962 56 // Check if pad exists
57 //
58 virtual Bool_t HasPad(Float_t x, Float_t y, Float_t z);
59 // Returns true if a pad exists in the given position
60 virtual Bool_t HasPad(Int_t ix, Int_t iy);
61 // Returns true if a pad with given indices exists
62
6b1e4b22 63 // Quadrant type
64 //
65 virtual AliMUONGeometryDirection GetDirection();
66 // Returns the direction with a constant pad size
f5ed7890 67 // Access to mapping
b7ef3c96 68 virtual const AliMpVSegmentation* GetMpSegmentation() const;
6b1e4b22 69
e118b27e 70 // Transform from pad (wire) to real coordinates and vice versa
71 //
72 virtual Float_t GetAnod(Float_t xhit) const;
73 // Anode wire coordinate closest to xhit
74 virtual void GetPadI(Float_t x, Float_t y, Float_t z, Int_t& ix, Int_t& iy);
75 virtual void GetPadI(Float_t x, Float_t y , Int_t &ix, Int_t &iy) ;
76 // Transform from pad to real coordinates
77 virtual void GetPadC(Int_t ix, Int_t iy, Float_t& x, Float_t& y, Float_t& z);
78 virtual void GetPadC(Int_t ix, Int_t iy, Float_t& x, Float_t& y);
79 // Transform from real to pad coordinates
9db6c8d7 80
e118b27e 81 // Initialisation
82 //
83 virtual void Init(Int_t chamber);
84
85 // Get member data
86 //
87 virtual Float_t Dpx() const;
88 virtual Float_t Dpy() const;
89 // Pad size in x, y
90 virtual Float_t Dpx(Int_t isector) const;
91 virtual Float_t Dpy(Int_t isector) const;
92 // Pad size in x, y by Sector
93 virtual Int_t Npx() const;
94 virtual Int_t Npy() const;
95 // Maximum number of Pads in y
96
97 virtual void SetPad(Int_t ix, Int_t iy);
98 // Set pad position
99 virtual void SetHit(Float_t xhit, Float_t yhit, Float_t zhit);
100 // Set hit position
101
102 // Iterate over pads
103 //
104 virtual void FirstPad(Float_t xhit, Float_t yhit, Float_t zhit,
105 Float_t dx, Float_t dy);
106 virtual void NextPad();
107 virtual Int_t MorePads();
108
109 virtual Float_t Distance2AndOffset(Int_t iX, Int_t iY,
110 Float_t X, Float_t Y, Int_t* dummy) ;
111 // Distance between 1 pad and a position
112 virtual void GetNParallelAndOffset(Int_t iX, Int_t iY,
113 Int_t* Nparallel, Int_t* Offset);
114 // Number of pads read in parallel and offset to add to x
115 // (specific to LYON, but mandatory for display)
116 virtual void Neighbours(Int_t iX, Int_t iY,
117 Int_t* Nlist, Int_t Xlist[10], Int_t Ylist[10]);
118 // Get next neighbours
119
120 // Current values
121 //
122 virtual Int_t Ix();
123 virtual Int_t Iy();
124 // Current pad cursor during disintegration
125 // x, y-coordinate
126 virtual Int_t ISector();
127 // current sector
128
129 virtual Int_t Sector(Int_t ix, Int_t iy);
130 virtual Int_t Sector(Float_t x, Float_t y);
131 // calculate sector from pad coordinates
132
133 virtual void IntegrationLimits(Float_t& x1, Float_t& x2,
134 Float_t& y1, Float_t& y2);
135 // Current integration limits
136
137 // Signal Generation
138 //
139 virtual Int_t SigGenCond(Float_t x, Float_t y, Float_t z);
140 // Signal Generation Condition during Stepping
141 virtual void SigGenInit(Float_t x, Float_t y, Float_t z);
142 // Initialise signal generation at coord (x,y,z)
143
144
145 virtual void GiveTestPoints(Int_t& n, Float_t* x, Float_t* y) const;
146 // Test points for auto calibration
147 virtual void Draw(const char *opt = "");
148 // Draw the segmentation zones
149
150 // Function for systematic corrections
151 //
152 virtual void SetCorrFunc(Int_t isec, TF1* func);
153 // Set the correction function
154 virtual TF1* CorrFunc(Int_t isec) const;
155 // Get the correction Function
156
157 protected:
158 AliMUONSt12QuadrantSegmentation(const AliMUONSt12QuadrantSegmentation& rhs);
159
160 // operators
161 AliMUONSt12QuadrantSegmentation& operator=(const AliMUONSt12QuadrantSegmentation & rhs);
162
163 private:
164 // methods
165 void UpdateCurrentPadValues(const AliMpPad& pad);
166
e118b27e 167 // data members
168
169 // From mapping
170 //
59090931 171 AliMpStationType fStationType; // station type
172 AliMpPlaneType fPlaneType; // plane type
8fbf5237 173 const AliMpSector* fSector; // sector (from mapping)
174 AliMpSectorSegmentation* fSectorSegmentation;// sector segmentation (from mapping)
e118b27e 175 AliMpVPadIterator* fSectorIterator; // ! iterator over pads
176
177 // Wire pitch
178 //
179 Float_t fWireD; // wire pitch
180 // (smaller distance between anode wires)
181
182 // Reference to mother chamber
183 //
184 AliMUONChamber* fChamber; // ! Reference to mother chamber
185 Int_t fId; // Identifier
186 Float_t fRmin; // inner radius
187 Float_t fRmax; // outer radius
188 Float_t fZ; // z-position of chamber
189
190 // Current pad during integration (cursor for disintegration)
191 //
192 Int_t fIx; // ! pad coord. x
193 Int_t fIy; // ! pad coord. y
194 Float_t fX; // ! real coord. x
195 Float_t fY; // ! real ccord. y
196 Int_t fZone; // ! Current zone (sector in AliSegmentation naming)
197
198 // Current pad and wire during tracking (cursor at hit centre)
199 //
200 Float_t fXhit; // ! x-position of hit
201 Float_t fYhit; // ! y-position of hit
202
203 // Reference point to define signal generation condition
204 //
205 Int_t fIxt; // ! pad coord. x
206 Int_t fIyt; // ! pad coord. y
207 Int_t fIwt; // ! wire number
208 Float_t fXt; // ! x
209 Float_t fYt; // ! y
210
211 TObjArray* fCorrA; // ! Array of correction functions
212
394d8216 213 ClassDef(AliMUONSt12QuadrantSegmentation,2) // Station1 segmentation
e118b27e 214};
215
216#endif //ALI_MUON_ST12_QUADRANT_SEGMENTATION_H
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