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4c503756 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | /* | |
17 | $Log$ | |
9e1a0ddb | 18 | Revision 1.7 2001/01/26 21:25:48 morsch |
19 | Empty default constructors and. | |
20 | ||
e9e4cdf2 | 21 | Revision 1.6 2000/12/21 22:12:41 morsch |
22 | Clean-up of coding rule violations, | |
23 | ||
de05461e | 24 | Revision 1.5 2000/10/26 19:32:04 morsch |
25 | Problem with iteration over y-pads for 2nd cathode corrected. | |
26 | ||
d4ee3c3e | 27 | Revision 1.4 2000/10/25 19:56:55 morsch |
28 | Handle correctly slats with less than 3 segmentation zones. | |
29 | ||
f30dea32 | 30 | Revision 1.3 2000/10/22 16:56:33 morsch |
31 | - Store chamber number as slat id. | |
32 | ||
de2f6d11 | 33 | Revision 1.2 2000/10/18 11:42:06 morsch |
34 | - AliMUONRawCluster contains z-position. | |
35 | - Some clean-up of useless print statements during initialisations. | |
36 | ||
3e1872ed | 37 | Revision 1.1 2000/10/06 08:59:03 morsch |
38 | Segmentation classes for bending and non bending plane slat modules (A. de Falco, A. Morsch) | |
39 | ||
4c503756 | 40 | */ |
41 | ||
42 | ///////////////////////////////////////////////////// | |
43 | // Segmentation classes for slat modules // | |
44 | // to be used with AluMUONSegmentationSlat // | |
45 | ///////////////////////////////////////////////////// | |
46 | ||
47 | ||
48 | #include "AliMUONSegmentationSlatModuleN.h" | |
49 | #include <TMath.h> | |
50 | #include <iostream.h> | |
51 | ||
52 | #include "AliMUONSegmentationV01.h" | |
53 | ||
54 | //___________________________________________ | |
55 | ClassImp(AliMUONSegmentationSlatModuleN) | |
56 | ||
57 | AliMUONSegmentationSlatModuleN::AliMUONSegmentationSlatModuleN() | |
58 | { | |
59 | // Default constructor | |
60 | } | |
61 | ||
e9e4cdf2 | 62 | AliMUONSegmentationSlatModuleN::AliMUONSegmentationSlatModuleN(Int_t nsec) |
63 | : AliMUONSegmentationSlatModule(nsec) | |
64 | { | |
65 | // Non default constructor | |
66 | } | |
67 | ||
4c503756 | 68 | |
69 | Float_t AliMUONSegmentationSlatModuleN::Dpx(Int_t isec) const | |
70 | { | |
71 | // | |
72 | // Returns x-pad size for given sector isec | |
73 | return fDpx; | |
74 | } | |
75 | ||
76 | Float_t AliMUONSegmentationSlatModuleN::Dpy(Int_t isec) const | |
77 | { | |
78 | // | |
79 | // Returns y-pad size for given sector isec | |
80 | return (*fDpxD)[isec]; | |
81 | } | |
82 | ||
83 | ||
84 | void AliMUONSegmentationSlatModuleN:: | |
85 | GetPadI(Float_t x, Float_t y, Int_t &ix, Int_t &iy) | |
86 | { | |
87 | // Returns pad coordinates (ix,iy) for given real coordinates (x,y) | |
88 | // | |
89 | ix = Int_t(x/fDpx)+1; | |
90 | if (ix > fNpx) ix= fNpx; | |
91 | // | |
92 | // Find sector isec | |
93 | Int_t isec=-1; | |
94 | for (Int_t i = fNsec-1; i > 0; i--) { | |
95 | if (x >= fCx[i-1]) { | |
96 | isec=i; | |
f30dea32 | 97 | if (fCx[isec] == fCx[isec-1] && isec > 1) isec--; |
4c503756 | 98 | break; |
99 | } | |
100 | } | |
101 | // | |
102 | // | |
f30dea32 | 103 | |
4c503756 | 104 | if (isec == -1) { |
105 | ix = 0; | |
106 | iy = 0; | |
107 | } else { | |
108 | iy = Int_t(y/(*fDpxD)[isec])+1; | |
109 | } | |
110 | } | |
111 | ||
112 | void AliMUONSegmentationSlatModuleN:: | |
113 | GetPadC(Int_t ix, Int_t iy, Float_t &x, Float_t &y) | |
114 | { | |
115 | // Returns real coordinates (x,y) for given pad coordinates (ix,iy) | |
116 | // | |
117 | x = Float_t(ix*fDpx)-fDpx/2.; | |
118 | // | |
119 | // Find sector isec | |
120 | Int_t isec=Sector(ix,iy); | |
121 | if (isec == -1) printf("\n gtpadc2 Warning isec !\n"); | |
122 | y = iy*(*fDpxD)[isec]-(*fDpxD)[isec]/2.; | |
123 | } | |
124 | ||
125 | ||
126 | void AliMUONSegmentationSlatModuleN::NextPad() | |
127 | { | |
128 | // Stepper for the iteration over pads | |
129 | // | |
130 | Float_t xc,yc; | |
131 | Int_t ixc; | |
132 | // step up | |
133 | if ((fY + Dpy(fSector)) < fYmax) { | |
134 | fIy++; | |
135 | GetPadC(fIx,fIy,fX,fY); | |
136 | // step right | |
137 | } else if (fIx != fIxmax) { | |
138 | fIx++; | |
139 | // get y-position of next row (yc), xc not used here | |
140 | GetPadC(fIx,fIy,xc,yc); | |
141 | // get x-pad coordiante for 1 pad in row (fIx) | |
142 | GetPadI(xc,fYmin,ixc,fIy); | |
143 | GetPadC(fIx,fIy,fX,fY); | |
144 | fSector=Sector(fIx,fIy); | |
145 | } else { | |
146 | fIx=fIy=-1; | |
147 | } | |
148 | ||
149 | if (fIy > fNpyS[fSector]) printf("\n this pad %f %f %d %d \n",fX,fY,fIx,fIy); | |
150 | GetPadC(fIx, fIy, xc, yc); | |
d4ee3c3e | 151 | // printf("\n Next Pad (n)%d %d %f %f %d %f %d ", fIx,fIy,fX,fY,fSector, fYmax, fIxmax); |
4c503756 | 152 | } |
153 | ||
154 | Int_t AliMUONSegmentationSlatModuleN::MorePads() | |
de05461e | 155 | { |
4c503756 | 156 | // Stopping condition for the iterator over pads |
157 | // | |
158 | // | |
159 | // Are there more pads in the integration region | |
de05461e | 160 | |
d4ee3c3e | 161 | if (fIy == -1) { |
4c503756 | 162 | return 0; |
163 | } else { | |
164 | return 1; | |
165 | } | |
166 | } | |
167 | ||
168 | void AliMUONSegmentationSlatModuleN:: | |
169 | Neighbours(Int_t iX, Int_t iY, Int_t* Nlist, Int_t Xlist[10], Int_t Ylist[10]) | |
170 | { | |
4c503756 | 171 | // Returns list of next neighbours for given Pad (iX, iY) |
172 | // | |
173 | // | |
174 | Int_t i=0; | |
175 | Float_t x,y; | |
176 | Int_t ix,iy,isec1,isec2; | |
177 | Float_t kEpsil= 0.001; | |
178 | ||
179 | // | |
180 | // step up | |
181 | Int_t isec=Sector(iX, iY); | |
182 | ||
183 | if (iY+1 <= fNpyS[isec]) { | |
184 | Xlist[i]=iX; | |
185 | Ylist[i++]=iY+1; | |
186 | } | |
187 | // | |
188 | // step down | |
189 | if (iY-1 > 0) { | |
190 | Xlist[i]=iX; | |
191 | Ylist[i++]=iY-1; | |
192 | } | |
193 | // | |
194 | // | |
195 | // step right | |
196 | ||
197 | if (iX+1 <= fNpx) { | |
198 | ||
199 | ||
200 | GetPadC(iX, iY, x, y); | |
201 | GetPadI(x+fDpx, y, ix, iy); | |
202 | Xlist[i]=iX+1; | |
203 | Ylist[i++]=iy; | |
204 | } | |
205 | // | |
206 | // step left | |
207 | if (iX-1 > 0) { | |
208 | isec1=Sector(iX, iY); | |
209 | isec2=Sector(iX-1, iY); | |
210 | if (isec1==isec2) { | |
211 | Xlist[i]=iX-1; | |
212 | Ylist[i++]=iY; | |
213 | } else { | |
214 | GetPadC(iX, iY, x, y); | |
215 | GetPadI(x-fDpx, y+kEpsil, ix, iy); | |
216 | if (ix != -1) { | |
217 | Xlist[i]=iX-1; | |
218 | Ylist[i++]=iy; | |
219 | } | |
220 | GetPadI(x-fDpx, y-kEpsil, ix, iy); | |
221 | if (ix != -1) { | |
222 | Xlist[i]=iX-1; | |
223 | Ylist[i++]=iy; | |
224 | } | |
225 | } | |
226 | } | |
227 | *Nlist=i; | |
228 | } | |
229 | ||
230 | ||
231 | void AliMUONSegmentationSlatModuleN::Init(Int_t chamber) | |
232 | { | |
4c503756 | 233 | // |
234 | // Fill the arrays fCx (x-contour) for each sector | |
235 | // These arrays help in converting from real to pad co-ordinates and | |
236 | // vice versa | |
237 | // | |
238 | // Segmentation is defined by rectangular modules approximating | |
239 | // concentric circles as shown below | |
240 | // | |
241 | // PCB module size in cm | |
de05461e | 242 | |
9e1a0ddb | 243 | // printf("\n Initialise Segmentation SlatModuleN \n"); |
de05461e | 244 | |
245 | ||
4c503756 | 246 | fDxPCB=40; |
247 | fDyPCB=40; | |
248 | // | |
249 | // number of pad rows per PCB | |
250 | // | |
251 | fNpxPCB = Int_t(fDxPCB/fDpx) ; | |
252 | // | |
253 | // Calculate padsize along y | |
254 | (*fDpxD)[fNsec-1]=fDpy; | |
255 | if (fNsec > 1) { | |
256 | for (Int_t i=fNsec-2; i>=0; i--){ | |
257 | (*fDpxD)[i]=(*fDpxD)[fNsec-1]/(*fNDiv)[i]; | |
4c503756 | 258 | } |
259 | } | |
260 | // | |
261 | // fill the arrays defining the pad segmentation boundaries | |
262 | // | |
263 | // | |
264 | // Loop over sectors (isec=0 is the dead space surounding the beam pipe) | |
265 | ||
266 | for (Int_t isec=0; isec<4; isec++) { | |
267 | if (isec==0) { | |
268 | fCx[0] = 0; | |
269 | fNpxS[0] = 0; | |
270 | fNpyS[0] = 0; | |
271 | } else { | |
272 | fNpxS[isec] = fNpxS[isec-1] + fPcbBoards[isec]*fNpxPCB; | |
273 | fNpyS[isec] = Int_t(fDyPCB/fDpy)*(*fNDiv)[isec]; | |
4c503756 | 274 | fCx[isec] = fCx[isec-1] + fPcbBoards[isec]*fDxPCB; |
275 | fNpx += fPcbBoards[isec] * fNpxPCB; | |
276 | } | |
277 | } // sectors | |
278 | ||
279 | fNpx=fNpxS[3]; | |
280 | fNpy=Int_t(fDyPCB/fDpy)*(*fNDiv)[1]; | |
de2f6d11 | 281 | // |
282 | fId = chamber; | |
283 | ||
4c503756 | 284 | } |
285 | ||
286 | ||
287 | ||
288 | ||
289 | ||
290 | ||
291 | ||
292 | ||
293 | ||
294 | ||
295 | ||
296 |