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 /////////////////////////////////////////////////////
8 // Segmentation classes for slat modules //
9 // to be used with AluMUONSegmentationSlat //
10 /////////////////////////////////////////////////////
12 #include "AliSegmentation.h"
16 class AliMUONSegmentationSlatModule;
20 class AliMUONSegmentationSlat :
21 public AliSegmentation {
23 AliMUONSegmentationSlat();
24 AliMUONSegmentationSlat(Int_t nsec);
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);
78 virtual void GetNParallelAndOffset(Int_t iX, Int_t iY, Int_t *Nparallel, Int_t *Offset);
80 // Current Pad during Integration
86 virtual Int_t ISector();
87 // calculate sector from pad coordinates
88 virtual Int_t Sector(Int_t ix, Int_t iy);
89 virtual Int_t Sector(Float_t x, Float_t y)
92 GetPadI(x,y,0.,ix,iy);
97 // Signal Generation Condition during Stepping
98 virtual Int_t SigGenCond(Float_t x, Float_t y, Float_t z);
99 // Initialise signal generation at coord (x,y,z)
100 virtual void SigGenInit(Float_t x, Float_t y, Float_t z);
104 // Current integration limits
105 virtual void IntegrationLimits
106 (Float_t& x1, Float_t& x2, Float_t& y1, Float_t& y2);
108 // Class specific methods
109 virtual void SetNSlats(Int_t nslats) {fNSlats = nslats;}
110 virtual void SetShift(Float_t shift) {fShift = shift;}
111 virtual void SetNPCBperSector(Int_t *npcb);
112 virtual void SetSlatXPositions(Float_t *xpos);
113 virtual void SetSlatYPosition(Float_t ypos) {fYPosOrigin = ypos;}
114 virtual AliMUONSegmentationSlatModule* Slat(Int_t index) const;
117 // Test points for auto calibration
118 virtual void GiveTestPoints(Int_t &n, Float_t *x, Float_t *y) const;
119 // Draw the segmentation zones
120 virtual void Draw(const char *opt = "") const;
123 // Function for systematic corrections
124 // Set the correction function
125 virtual void SetCorrFunc(Int_t, TF1*) {;}
127 // Get the correction Function
128 virtual TF1* CorrFunc(Int_t) const {return NULL;}
131 virtual void GlobalToLocal(
132 Float_t x, Float_t y, Float_t z, Int_t &islat, Float_t &xlocal, Float_t &ylocal);
133 virtual void GlobalToLocal(
134 Int_t ix, Int_t iy, Int_t &islat, Int_t &ixlocal, Int_t &iylocal);
136 virtual void LocalToGlobal(
137 Int_t islat, Float_t xlocal, Float_t ylocal, Float_t &x, Float_t &y, Float_t &z);
138 virtual void LocalToGlobal(
139 Int_t islat, Int_t ixlocal, Int_t iylocal, Int_t &ix, Int_t &iy);
140 virtual void SetSymmetry(Int_t ix);
141 virtual void SetSymmetry(Float_t x);
142 // Factory method for associated slat module class
143 virtual AliMUONSegmentationSlatModule* CreateSlatModule();
147 AliMUONChamber* fChamber; // Parent Chamber
148 Int_t fId; // Identifier
152 Float_t fWireD; // Wire Pitch
153 Int_t fNSlats; // Number of slats
154 Int_t fPcb[15][4]; // PcbSegmentation
155 Float_t fXPosition[15]; // x-position of slats
156 Float_t fYPosOrigin; // y-Position of lowest slat
157 Float_t fYPosition[15]; // y-position of slats
158 Float_t fSlatX[15]; // Slat x-dimension
159 Float_t fSlatY; // Slat y-dimension
160 Float_t fDpx; // Pad size x
161 Float_t fDpy; // Pad size y
162 Int_t fNpx; // maximum number of pads in x
163 Int_t fNpy; // maximum number of pads in y
164 Int_t fSym; // signs for symmetry trafo
165 Float_t fShift; // Half overlap of pad planes
166 Float_t fDz; // Half distance between slat planes
168 TArrayI* fNDiv; // Pad size division
170 TObjArray* fSlats; // Array of Slats
172 AliMUONSegmentationSlatModule* fCurrentSlat; // Pointer to current slat
173 Int_t fSlatIndex; // Current slat index
174 ClassDef(AliMUONSegmentationSlat,1) // Segmentation for Muon Chamber built from Slat Modules