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 virtual ~AliMUONSegmentationSlat(){}
27 // Set Chamber Segmentation Parameters
30 virtual void SetPadSize(Float_t p1, Float_t p2);
32 virtual void SetDAnod(Float_t D) {fWireD = D;};
34 // Anod wire coordinate closest to xhit
35 virtual Float_t GetAnod(Float_t xhit) const;
37 void SetPadDivision(Int_t ndiv[4]);
39 // Transform from pad to real coordinates
40 virtual void GetPadI(Float_t x, Float_t y , Float_t z, Int_t &ix, Int_t &iy);
41 // Transform from real to pad coordinates
42 virtual void GetPadC(Int_t ix, Int_t iy, Float_t &x, Float_t &y, Float_t &z);
44 virtual void Init(Int_t chamber);
50 virtual Float_t Dpx() const {return fDpx;}
53 virtual Float_t Dpy() const {return fDpy;}
54 // Pad size in x by Sector
55 virtual Float_t Dpx(Int_t isec) const;
56 // Pad size in y by Sector
57 virtual Float_t Dpy(Int_t isec) const;
58 // Maximum number of Pads in x
59 virtual Int_t Npx() const {return fNpx;}
60 // Maximum number of Pads in y
61 virtual Int_t Npy() const {return fNpy;}
63 virtual void SetPad(Int_t ix,Int_t iy);
65 virtual void SetHit(Float_t xhit, Float_t yhit, Float_t zhit);
69 virtual void FirstPad(Float_t xhit, Float_t yhit, Float_t zhit, Float_t dx, Float_t dy);
71 virtual void NextPad();
73 virtual Int_t MorePads();
74 // Get next neighbours
75 virtual void Neighbours
76 (Int_t iX, Int_t iY, Int_t* Nlist, Int_t Xlist[10], Int_t Ylist[10]);
77 virtual Float_t Distance2AndOffset(Int_t iX, Int_t iY, Float_t X, Float_t Y, Int_t *dummy) {return 0.;}
78 virtual void GetNParallelAndOffset(Int_t iX, Int_t iY,
79 Int_t *Nparallel, Int_t *Offset) {*Nparallel=1;*Offset=0;}
81 // Current Pad during Integration
87 virtual Int_t ISector();
88 // calculate sector from pad coordinates
89 virtual Int_t Sector(Int_t ix, Int_t iy);
91 // Signal Generation Condition during Stepping
92 virtual Int_t SigGenCond(Float_t x, Float_t y, Float_t z);
93 // Initialise signal generation at coord (x,y,z)
94 virtual void SigGenInit(Float_t x, Float_t y, Float_t z);
98 // Current integration limits
99 virtual void IntegrationLimits
100 (Float_t& x1, Float_t& x2, Float_t& y1, Float_t& y2);
102 // Class specific methods
103 virtual void SetNSlats(Int_t nslats) {fNSlats = nslats;}
104 virtual void SetShift(Float_t shift) {fShift = shift;}
105 virtual void SetNPCBperSector(Int_t *npcb);
106 virtual void SetSlatXPositions(Float_t *xpos);
107 virtual void SetSlatYPosition(Float_t ypos) {fYPosOrigin = ypos;}
108 virtual AliMUONSegmentationSlatModule* Slat(Int_t index) const;
111 // Test points for auto calibration
112 virtual void GiveTestPoints(Int_t &n, Float_t *x, Float_t *y) const {;}
113 // Draw the segmentation zones
114 virtual void Draw(const char *opt = "") const;
117 // Function for systematic corrections
118 // Set the correction function
119 virtual void SetCorrFunc(Int_t, TF1*) {;}
121 // Get the correction Function
122 virtual TF1* CorrFunc(Int_t) const {return NULL;}
125 virtual void GlobalToLocal(
126 Float_t x, Float_t y, Float_t z, Int_t &islat, Float_t &xlocal, Float_t &ylocal);
127 virtual void GlobalToLocal(
128 Int_t ix, Int_t iy, Int_t &islat, Int_t &ixlocal, Int_t &iylocal);
130 virtual void LocalToGlobal(
131 Int_t islat, Float_t xlocal, Float_t ylocal, Float_t &x, Float_t &y, Float_t &z);
132 virtual void LocalToGlobal(
133 Int_t islat, Int_t ixlocal, Int_t iylocal, Int_t &ix, Int_t &iy);
134 virtual void SetSymmetry(Int_t ix);
135 virtual void SetSymmetry(Float_t x);
136 // Factory method for associated slat module class
137 virtual AliMUONSegmentationSlatModule* CreateSlatModule();
141 AliMUONChamber* fChamber; // Parent Chamber
142 Int_t fId; // Identifier
146 Float_t fWireD; // Wire Pitch
147 Int_t fNSlats; // Number of slats
148 Int_t fPcb[15][4]; // PcbSegmentation
149 Float_t fXPosition[15]; // x-position of slats
150 Float_t fYPosOrigin; // y-Position of lowest slat
151 Float_t fYPosition[15]; // y-position of slats
152 Float_t fSlatX[15]; // Slat x-dimension
153 Float_t fSlatY; // Slat y-dimension
154 Float_t fDpx; // Pad size x
155 Float_t fDpy; // Pad size y
156 Int_t fNpx; // maximum number of pads in x
157 Int_t fNpy; // maximum number of pads in y
158 Int_t fSym; // signs for symmetry trafo
159 Float_t fShift; // Half overlap of pad planes
160 Float_t fDz; // Half distance between slat planes
162 TArrayI* fNDiv; // Pad size division
164 TObjArray* fSlats; // Array of Slats
166 AliMUONSegmentationSlatModule* fCurrentSlat; // Pointer to current slat
167 Int_t fSlatIndex; // Current slat index
168 ClassDef(AliMUONSegmentationSlat,1) // Segmentation for Muon Chamber built from Slat Modules