1 #ifndef ALI_MUON_ST12_QUADRANT_SEGMENTATION_H
2 #define ALI_MUON_ST12_QUADRANT_SEGMENTATION_H
4 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
5 * See cxx source for full Copyright notice */
8 // Revision of includes 07/05/2004
11 /// \class AliMUONSt12QuadrantSegmentation
12 /// \brief Segmentation for MUON quadrants of stations 1 and 2 using
13 /// the mapping package
15 /// \author Ivana Hrivnacova, IPN Orsay
17 #include "AliMpStationType.h"
18 #include "AliMpPlaneType.h"
20 #include "AliMUONVGeometryDESegmentation.h"
25 class AliMpSectorSegmentation;
26 class AliMpVPadIterator;
31 class AliMUONSt12QuadrantSegmentation : public AliMUONVGeometryDESegmentation
34 AliMUONSt12QuadrantSegmentation(AliMpVSegmentation* segmentation,
35 AliMp::StationType stationType,
36 AliMp::PlaneType planeType);
37 AliMUONSt12QuadrantSegmentation();
39 virtual ~AliMUONSt12QuadrantSegmentation();
42 // methods derived from base class
45 // Set Chamber Segmentation Parameters
47 virtual void SetPadSize(Float_t p1, Float_t p2);
49 virtual void SetDAnod(Float_t D);
52 // Check if pad exists
54 virtual Bool_t HasPad(Float_t x, Float_t y, Float_t z);
55 // Returns true if a pad exists in the given position
56 virtual Bool_t HasPad(Int_t ix, Int_t iy);
57 // Returns true if a pad with given indices exists
61 virtual AliMUONGeometryDirection GetDirection();
62 // Returns the direction with a constant pad size
64 virtual const AliMpVSegmentation* GetMpSegmentation() const;
66 // Transform from pad (wire) to real coordinates and vice versa
68 virtual Float_t GetAnod(Float_t xhit) const;
69 // Anode wire coordinate closest to xhit
70 virtual void GetPadI(Float_t x, Float_t y, Float_t z, Int_t& ix, Int_t& iy);
71 virtual void GetPadI(Float_t x, Float_t y , Int_t &ix, Int_t &iy) ;
72 // Transform from pad to real coordinates
73 virtual void GetPadC(Int_t ix, Int_t iy, Float_t& x, Float_t& y, Float_t& z);
74 virtual void GetPadC(Int_t ix, Int_t iy, Float_t& x, Float_t& y);
75 // Transform from real to pad coordinates
79 virtual void Init(Int_t chamber);
83 virtual Float_t Dpx() const;
84 virtual Float_t Dpy() const;
86 virtual Float_t Dpx(Int_t isector) const;
87 virtual Float_t Dpy(Int_t isector) const;
88 // Pad size in x, y by Sector
89 virtual Int_t Npx() const;
90 virtual Int_t Npy() const;
91 // Maximum number of Pads in y
93 virtual void SetPad(Int_t ix, Int_t iy);
95 virtual void SetHit(Float_t xhit, Float_t yhit, Float_t zhit);
100 virtual void FirstPad(Float_t xhit, Float_t yhit, Float_t zhit,
101 Float_t dx, Float_t dy);
102 virtual void NextPad();
103 virtual Int_t MorePads();
105 virtual Float_t Distance2AndOffset(Int_t iX, Int_t iY,
106 Float_t X, Float_t Y, Int_t* dummy) ;
107 // Distance between 1 pad and a position
108 virtual void GetNParallelAndOffset(Int_t iX, Int_t iY,
109 Int_t* Nparallel, Int_t* Offset);
110 // Number of pads read in parallel and offset to add to x
111 // (specific to LYON, but mandatory for display)
112 virtual void Neighbours(Int_t iX, Int_t iY,
113 Int_t* Nlist, Int_t Xlist[10], Int_t Ylist[10]);
114 // Get next neighbours
120 // Current pad cursor during disintegration
122 virtual Int_t ISector();
125 virtual Int_t Sector(Int_t ix, Int_t iy);
126 virtual Int_t Sector(Float_t x, Float_t y);
127 // calculate sector from pad coordinates
129 virtual void IntegrationLimits(Float_t& x1, Float_t& x2,
130 Float_t& y1, Float_t& y2);
131 // Current integration limits
135 virtual Int_t SigGenCond(Float_t x, Float_t y, Float_t z);
136 // Signal Generation Condition during Stepping
137 virtual void SigGenInit(Float_t x, Float_t y, Float_t z);
138 // Initialise signal generation at coord (x,y,z)
141 virtual void GiveTestPoints(Int_t& n, Float_t* x, Float_t* y) const;
142 // Test points for auto calibration
143 virtual void Draw(const char *opt = "");
144 // Draw the segmentation zones
146 // Function for systematic corrections
148 virtual void SetCorrFunc(Int_t isec, TF1* func);
149 // Set the correction function
150 virtual TF1* CorrFunc(Int_t isec) const;
151 // Get the correction Function
155 AliMUONSt12QuadrantSegmentation(const AliMUONSt12QuadrantSegmentation& rhs);
157 AliMUONSt12QuadrantSegmentation& operator=(const AliMUONSt12QuadrantSegmentation & rhs);
160 void UpdateCurrentPadValues(const AliMpPad& pad);
166 AliMp::StationType fStationType; ///< Station type
167 AliMp::PlaneType fPlaneType; ///< Plane type
168 const AliMpSector* fSector; ///< Sector (from mapping)
169 AliMpSectorSegmentation* fSectorSegmentation;///< Sector segmentation (from mapping)
170 AliMpVPadIterator* fSectorIterator; //!< Iterator over pads
174 Float_t fWireD; ///< \ brief Wire pitch
175 ///< (smaller distance between anode wires)
177 // Reference to mother chamber
179 AliMUONChamber* fChamber; //!< Reference to mother chamber
180 Int_t fId; ///< Identifier
181 Float_t fRmin; ///< Inner radius
182 Float_t fRmax; ///< Outer radius
183 Float_t fZ; ///< Z-position of chamber
185 // Current pad during integration (cursor for disintegration)
187 Int_t fIx; //!< Pad coord. x
188 Int_t fIy; //!< Pad coord. y
189 Float_t fX; //!< Real coord. x
190 Float_t fY; //!< Real ccord. y
191 Int_t fZone; //!< Current zone (sector in AliSegmentation naming)
193 // Current pad and wire during tracking (cursor at hit centre)
195 Float_t fXhit; //!< X-position of hit
196 Float_t fYhit; //!< Y-position of hit
198 // Reference point to define signal generation condition
200 Int_t fIxt; //!< Pad coord. x
201 Int_t fIyt; //!< Pad coord. y
202 Int_t fIwt; //!< Wire number
206 TObjArray* fCorrA; //!< Array of correction functions
208 ClassDef(AliMUONSt12QuadrantSegmentation,2) // Station1 segmentation
211 #endif //ALI_MUON_ST12_QUADRANT_SEGMENTATION_H