1 #ifndef ALIMUONSEGMENTATIONSLAT_H
2 #define ALIMUONSEGMENTATIONSLAT_H
3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
7 // Revision of includes 07/05/2004
9 /////////////////////////////////////////////////////
10 // Segmentation classes for slat modules //
11 // to be used with AluMUONSegmentationSlat //
12 /////////////////////////////////////////////////////
14 #include "AliSegmentation.h"
19 class AliMUONSegmentationSlatModule;
22 class AliMUONSegmentationSlat : public AliSegmentation
25 AliMUONSegmentationSlat();
26 AliMUONSegmentationSlat(Int_t nsec);
27 virtual ~AliMUONSegmentationSlat();
29 // Set Chamber Segmentation Parameters
32 virtual void SetPadSize(Float_t p1, Float_t p2);
34 virtual void SetDAnod(Float_t D) {fWireD = D;};
36 // Anod wire coordinate closest to xhit
37 virtual Float_t GetAnod(Float_t xhit) const;
39 void SetPadDivision(Int_t ndiv[4]);
41 // Transform from pad to real coordinates
42 virtual void GetPadI(Float_t x, Float_t y , Float_t z, Int_t &ix, Int_t &iy);
43 // Transform from real to pad coordinates
44 virtual void GetPadC(Int_t ix, Int_t iy, Float_t &x, Float_t &y, Float_t &z);
46 virtual void Init(Int_t chamber);
52 virtual Float_t Dpx() const {return fDpx;}
55 virtual Float_t Dpy() const {return fDpy;}
56 // Pad size in x by Sector
57 virtual Float_t Dpx(Int_t isec) const;
58 // Pad size in y by Sector
59 virtual Float_t Dpy(Int_t isec) const;
60 // Maximum number of Pads in x
61 virtual Int_t Npx() const {return fNpx;}
62 // Maximum number of Pads in y
63 virtual Int_t Npy() const {return fNpy;}
65 virtual void SetPad(Int_t ix,Int_t iy);
67 virtual void SetHit(Float_t xhit, Float_t yhit, Float_t zhit);
71 virtual void FirstPad(Float_t xhit, Float_t yhit, Float_t zhit, Float_t dx, Float_t dy);
73 virtual void NextPad();
75 virtual Int_t MorePads();
76 // Get next neighbours
77 virtual void Neighbours
78 (Int_t iX, Int_t iY, Int_t* Nlist, Int_t Xlist[10], Int_t Ylist[10]);
79 virtual Float_t Distance2AndOffset(Int_t iX, Int_t iY, Float_t X, Float_t Y, Int_t *dummy);
80 virtual void GetNParallelAndOffset(Int_t iX, Int_t iY, Int_t *Nparallel, Int_t *Offset);
82 // Current Pad during Integration
88 virtual Int_t ISector();
89 // calculate sector from pad coordinates
90 virtual Int_t Sector(Int_t ix, Int_t iy);
91 virtual Int_t Sector(Float_t x, Float_t y)
94 GetPadI(x,y,0.,ix,iy);
99 // Signal Generation Condition during Stepping
100 virtual Int_t SigGenCond(Float_t x, Float_t y, Float_t z);
101 // Initialise signal generation at coord (x,y,z)
102 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& y1, Float_t& y2);
110 // Class specific methods
111 virtual void SetNSlats(Int_t nslats) {fNSlats = nslats;}
112 virtual void SetShift(Float_t shift) {fShift = shift;}
113 virtual void SetNPCBperSector(Int_t *npcb);
114 virtual void SetSlatXPositions(Float_t *xpos);
115 virtual void SetSlatYPositions(Float_t *ypos);
116 virtual AliMUONSegmentationSlatModule* Slat(Int_t index) const;
119 // Test points for auto calibration
120 virtual void GiveTestPoints(Int_t &n, Float_t *x, Float_t *y) const;
121 // Draw the segmentation zones
122 virtual void Draw(const char *opt = "");
125 // Function for systematic corrections
126 // Set the correction function
127 virtual void SetCorrFunc(Int_t, TF1*) {;}
129 // Get the correction Function
130 virtual TF1* CorrFunc(Int_t) const {return NULL;}
132 AliMUONSegmentationSlat(const AliMUONSegmentationSlat& rhs);
133 AliMUONSegmentationSlat& operator=(const AliMUONSegmentationSlat& rhs);
135 virtual void GlobalToLocal(
136 Float_t x, Float_t y, Float_t z, Int_t &islat, Float_t &xlocal, Float_t &ylocal);
137 virtual void GlobalToLocal(
138 Int_t ix, Int_t iy, Int_t &islat, Int_t &ixlocal, Int_t &iylocal) const;
140 virtual void LocalToGlobal (
141 Int_t islat, Float_t xlocal, Float_t ylocal, Float_t &x, Float_t &y, Float_t &z) const;
142 virtual void LocalToGlobal (
143 Int_t islat, Int_t ixlocal, Int_t iylocal, Int_t &ix, Int_t &iy) const;
144 virtual void SetSymmetry(Int_t ix);
145 virtual void SetSymmetry(Float_t x);
146 // Factory method for associated slat module class
147 virtual AliMUONSegmentationSlatModule* CreateSlatModule() const;
151 AliMUONChamber* fChamber; // Parent Chamber
152 Int_t fId; // Identifier
156 Float_t fWireD; // Wire Pitch
157 Int_t fNSlats; // Number of slats
158 Int_t fPcb[15][4]; // PcbSegmentation
159 Float_t fXPosition[15]; // x-position of slats
160 Float_t fYPosOrigin; // y-Position of lowest slat
161 Float_t fYPosition[15]; // y-position of slats
162 Float_t fSlatX[15]; // Slat x-dimension
163 Float_t fSlatY; // Slat y-dimension
164 Float_t fDpx; // Pad size x
165 Float_t fDpy; // Pad size y
166 Int_t fNpx; // maximum number of pads in x
167 Int_t fNpy; // maximum number of pads in y
168 Int_t fSym; // signs for symmetry trafo
169 Float_t fShift; // Half overlap of pad planes
170 Float_t fDzSlat; // Half distance between slat planes
171 Float_t fDzCh; // Half distance between half-chamber planes
173 TArrayI* fNDiv; // Pad size division
175 TObjArray* fSlats; // Array of Slats
177 AliMUONSegmentationSlatModule* fCurrentSlat; // Pointer to current slat
178 Int_t fSlatIndex; // Current slat index
179 ClassDef(AliMUONSegmentationSlat,2) // Segmentation for Muon Chamber built from Slat Modules