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 */
8 /////////////////////////////////////////////////////
9 // Segmentation classes for slat modules //
10 // to be used with AluMUONSegmentationSlat //
11 /////////////////////////////////////////////////////
13 #include "AliSegmentation.h"
17 class AliMUONSegmentationSlatModule;
21 class AliMUONSegmentationSlat :
22 public AliSegmentation {
24 AliMUONSegmentationSlat();
25 AliMUONSegmentationSlat(Int_t nsec);
26 virtual ~AliMUONSegmentationSlat();
28 // Set Chamber Segmentation Parameters
31 virtual void SetPadSize(Float_t p1, Float_t p2);
33 virtual void SetDAnod(Float_t D) {fWireD = D;};
35 // Anod wire coordinate closest to xhit
36 virtual Float_t GetAnod(Float_t xhit) const;
38 void SetPadDivision(Int_t ndiv[4]);
40 // Transform from pad to real coordinates
41 virtual void GetPadI(Float_t x, Float_t y , Float_t z, Int_t &ix, Int_t &iy);
42 // Transform from real to pad coordinates
43 virtual void GetPadC(Int_t ix, Int_t iy, Float_t &x, Float_t &y, Float_t &z);
45 virtual void Init(Int_t chamber);
51 virtual Float_t Dpx() const {return fDpx;}
54 virtual Float_t Dpy() const {return fDpy;}
55 // Pad size in x by Sector
56 virtual Float_t Dpx(Int_t isec) const;
57 // Pad size in y by Sector
58 virtual Float_t Dpy(Int_t isec) const;
59 // Maximum number of Pads in x
60 virtual Int_t Npx() const {return fNpx;}
61 // Maximum number of Pads in y
62 virtual Int_t Npy() const {return fNpy;}
64 virtual void SetPad(Int_t ix,Int_t iy);
66 virtual void SetHit(Float_t xhit, Float_t yhit, Float_t zhit);
70 virtual void FirstPad(Float_t xhit, Float_t yhit, Float_t zhit, Float_t dx, Float_t dy);
72 virtual void NextPad();
74 virtual Int_t MorePads();
75 // Get next neighbours
76 virtual void Neighbours
77 (Int_t iX, Int_t iY, Int_t* Nlist, Int_t Xlist[10], Int_t Ylist[10]);
78 virtual Float_t Distance2AndOffset(Int_t iX, Int_t iY, Float_t X, Float_t Y, Int_t *dummy) {return 0.;}
79 virtual void GetNParallelAndOffset(Int_t iX, Int_t iY,
80 Int_t *Nparallel, Int_t *Offset) {*Nparallel=1;*Offset=0;}
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);
92 // Signal Generation Condition during Stepping
93 virtual Int_t SigGenCond(Float_t x, Float_t y, Float_t z);
94 // Initialise signal generation at coord (x,y,z)
95 virtual void SigGenInit(Float_t x, Float_t y, Float_t z);
99 // Current integration limits
100 virtual void IntegrationLimits
101 (Float_t& x1, Float_t& x2, Float_t& y1, Float_t& y2);
103 // Class specific methods
104 virtual void SetNSlats(Int_t nslats) {fNSlats = nslats;}
105 virtual void SetShift(Float_t shift) {fShift = shift;}
106 virtual void SetNPCBperSector(Int_t *npcb);
107 virtual void SetSlatXPositions(Float_t *xpos);
108 virtual void SetSlatYPosition(Float_t ypos) {fYPosOrigin = ypos;}
109 virtual AliMUONSegmentationSlatModule* Slat(Int_t index) const;
112 // Test points for auto calibration
113 virtual void GiveTestPoints(Int_t &n, Float_t *x, Float_t *y) const {;}
114 // Draw the segmentation zones
115 virtual void Draw(const char *opt = "") const;
118 // Function for systematic corrections
119 // Set the correction function
120 virtual void SetCorrFunc(Int_t, TF1*) {;}
122 // Get the correction Function
123 virtual TF1* CorrFunc(Int_t) const {return NULL;}
126 virtual void GlobalToLocal(
127 Float_t x, Float_t y, Float_t z, Int_t &islat, Float_t &xlocal, Float_t &ylocal);
128 virtual void GlobalToLocal(
129 Int_t ix, Int_t iy, Int_t &islat, Int_t &ixlocal, Int_t &iylocal);
131 virtual void LocalToGlobal(
132 Int_t islat, Float_t xlocal, Float_t ylocal, Float_t &x, Float_t &y, Float_t &z);
133 virtual void LocalToGlobal(
134 Int_t islat, Int_t ixlocal, Int_t iylocal, Int_t &ix, Int_t &iy);
135 virtual void SetSymmetry(Int_t ix);
136 virtual void SetSymmetry(Float_t x);
137 // Factory method for associated slat module class
138 virtual AliMUONSegmentationSlatModule* CreateSlatModule();
142 AliMUONChamber* fChamber; // Parent Chamber
143 Int_t fId; // Identifier
147 Float_t fWireD; // Wire Pitch
148 Int_t fNSlats; // Number of slats
149 Int_t fPcb[15][4]; // PcbSegmentation
150 Float_t fXPosition[15]; // x-position of slats
151 Float_t fYPosOrigin; // y-Position of lowest slat
152 Float_t fYPosition[15]; // y-position of slats
153 Float_t fSlatX[15]; // Slat x-dimension
154 Float_t fSlatY; // Slat y-dimension
155 Float_t fDpx; // Pad size x
156 Float_t fDpy; // Pad size y
157 Int_t fNpx; // maximum number of pads in x
158 Int_t fNpy; // maximum number of pads in y
159 Int_t fSym; // signs for symmetry trafo
160 Float_t fShift; // Half overlap of pad planes
161 Float_t fDz; // Half distance between slat planes
163 TArrayI* fNDiv; // Pad size division
165 TObjArray* fSlats; // Array of Slats
167 AliMUONSegmentationSlatModule* fCurrentSlat; // Pointer to current slat
168 Int_t fSlatIndex; // Current slat index
169 ClassDef(AliMUONSegmentationSlat,1) // Segmentation for Muon Chamber built from Slat Modules