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8ff54bb6 | 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 | /* $Id$ */ | |
17 | ||
3d1463c8 | 18 | //----------------------------------------------------------------------------- |
8ff54bb6 | 19 | /// \class AliMUONTriggerCircuit |
20 | /// Contains as data members the Y positions of the X declusturized strips and | |
21 | /// the X positions of the (doubled or not) Y strips. | |
22 | /// This is used to associate the global positions to the fired strips of the | |
23 | /// local trigger output (see AliMUONTrackReconstructor::MakeTriggerTrack) | |
78649106 | 24 | /// |
25 | /// \author Philippe Crochet (LPCCFd) | |
3d1463c8 | 26 | //----------------------------------------------------------------------------- |
8ff54bb6 | 27 | |
28 | #include "AliMUONTriggerCircuit.h" | |
8ff54bb6 | 29 | |
30 | #include "AliMpTriggerSegmentation.h" | |
31 | #include "AliMpTrigger.h" | |
32 | #include "AliMpSlat.h" | |
33 | #include "AliMpPCB.h" | |
34 | #include "AliMpSegmentation.h" | |
35 | #include "AliMpVSegmentation.h" | |
866c3232 | 36 | #include "AliMpCathodType.h" |
7103ac2d | 37 | #include "AliMpDDLStore.h" |
38 | #include "AliMpLocalBoard.h" | |
39 | #include "AliMpConstants.h" | |
8ff54bb6 | 40 | |
41 | #include "AliRun.h" | |
42 | #include "AliLog.h" | |
43 | ||
44 | #include <TMath.h> | |
9de45220 | 45 | #include <Riostream.h> |
8ff54bb6 | 46 | |
47 | /// \cond CLASSIMP | |
48 | ClassImp(AliMUONTriggerCircuit) | |
49 | /// \endcond | |
50 | ||
51 | //---------------------------------------------------------------------- | |
7103ac2d | 52 | AliMUONTriggerCircuit::AliMUONTriggerCircuit(const AliMUONGeometryTransformer* transformer) |
53 | : TObject(), | |
54 | fTransformer(transformer), | |
55 | fCurrentSeg(0x0), | |
56 | fCurrentDetElem(0x0), | |
57 | fCurrentLocalBoard(0x0) | |
8ff54bb6 | 58 | { |
59 | /// Constructor | |
60 | ||
7103ac2d | 61 | for (Int_t i = 1; i < AliMpConstants::NofLocalBoards()+1; ++i) { |
62 | fXpos11[i].Set(16); | |
63 | fYpos11[i].Set(31); | |
64 | fYpos21[i].Set(63); | |
65 | } | |
66 | ||
67 | for (Int_t i = 1; i < AliMpConstants::NofLocalBoards()+1; ++i) { // board begins at 1 | |
68 | ||
69 | AliMpLocalBoard* localBoard = AliMpDDLStore::Instance()->GetLocalBoard(i); | |
70 | ||
71 | if (!localBoard) | |
72 | { | |
73 | AliError(Form("Did not get localboard %d",i)); | |
74 | continue; | |
75 | } | |
76 | ||
77 | LoadXPos(localBoard); | |
78 | LoadYPos(localBoard); | |
79 | ||
80 | } | |
81 | ||
8ff54bb6 | 82 | } |
83 | ||
84 | //---------------------------------------------------------------------- | |
85 | AliMUONTriggerCircuit::~AliMUONTriggerCircuit() | |
86 | { | |
87 | /// Destructor | |
7103ac2d | 88 | for (Int_t i = 1; i < AliMpConstants::NofLocalBoards()+1; ++i) { |
89 | fXpos11[i].Reset(); | |
90 | fYpos11[i].Reset(); | |
91 | fYpos21[i].Reset(); | |
92 | } | |
93 | ||
8ff54bb6 | 94 | } |
95 | ||
96 | //---------------------------------------------------------------------- | |
97 | AliMUONTriggerCircuit::AliMUONTriggerCircuit(const AliMUONTriggerCircuit& circuit) | |
7103ac2d | 98 | : TObject(circuit), |
99 | fTransformer(circuit.fTransformer), // do not copy, just pointed to | |
100 | fCurrentSeg(circuit.fCurrentSeg), | |
101 | fCurrentDetElem(circuit.fCurrentDetElem), | |
102 | fCurrentLocalBoard(circuit.fCurrentLocalBoard) | |
8ff54bb6 | 103 | { |
104 | /// Copy constructor | |
105 | ||
7103ac2d | 106 | for (Int_t i = 1; i < AliMpConstants::NofLocalBoards()+1; ++i) { |
107 | fXpos11[i] = circuit.fXpos11[i]; | |
108 | fYpos11[i] = circuit.fYpos11[i]; | |
109 | fYpos21[i] = circuit.fYpos21[i]; | |
110 | } | |
8ff54bb6 | 111 | |
112 | } | |
113 | //---------------------------------------------------------------------- | |
114 | AliMUONTriggerCircuit& AliMUONTriggerCircuit::operator=(const AliMUONTriggerCircuit& circuit) | |
115 | { | |
116 | /// Assignment operator | |
117 | ||
118 | if (this == &circuit) return *this; | |
119 | ||
7103ac2d | 120 | fTransformer = circuit.fTransformer; |
121 | fCurrentSeg = circuit.fCurrentSeg; | |
122 | fCurrentDetElem = circuit.fCurrentDetElem; | |
123 | fCurrentLocalBoard = circuit.fCurrentLocalBoard; | |
8ff54bb6 | 124 | |
7103ac2d | 125 | for (Int_t i = 1; i < AliMpConstants::NofLocalBoards()+1; ++i) { |
8ff54bb6 | 126 | fXpos11[i] = circuit.fXpos11[i]; |
8ff54bb6 | 127 | fYpos11[i] = circuit.fYpos11[i]; |
8ff54bb6 | 128 | fYpos21[i] = circuit.fYpos21[i]; |
7103ac2d | 129 | } |
8ff54bb6 | 130 | |
131 | return *this; | |
132 | ||
8ff54bb6 | 133 | } |
134 | ||
135 | //--------------------------------------------------------------------- | |
7103ac2d | 136 | void AliMUONTriggerCircuit::LoadYPos(AliMpLocalBoard* localBoard) |
8ff54bb6 | 137 | { |
138 | /// fill fYpos11 and fYpos21 -> y position of X declusterized strips | |
139 | ||
7103ac2d | 140 | fCurrentLocalBoard = localBoard->GetId(); |
8ff54bb6 | 141 | Int_t ichamber = 0; |
142 | Int_t icathode = 0; | |
7103ac2d | 143 | |
144 | Int_t zeroDown = localBoard->GetSwitch(AliMpLocalBoard::kZeroDown); | |
145 | Int_t zeroUp = localBoard->GetSwitch(AliMpLocalBoard::kZeroUp); | |
146 | ||
147 | Int_t iline = localBoard->GetPosition().GetFirst(); | |
148 | Int_t icol = localBoard->GetPosition().GetSecond(); | |
149 | if ( iline == 5 ) --icol; | |
150 | ||
8ff54bb6 | 151 | //--- first plane |
152 | ichamber = 10; | |
7103ac2d | 153 | fCurrentDetElem = AliMpDDLStore::Instance()->GetDEfromLocalBoard(fCurrentLocalBoard, ichamber); |
8ff54bb6 | 154 | |
7103ac2d | 155 | fCurrentSeg = AliMpSegmentation::Instance() |
156 | ->GetMpSegmentation(fCurrentDetElem, AliMp::GetCathodType(icathode)); | |
157 | ||
158 | Int_t iFirstStrip = FirstStrip(localBoard); | |
159 | Int_t iLastStrip = iFirstStrip + 16; | |
8ff54bb6 | 160 | Int_t iStripCircuit = 0; |
7103ac2d | 161 | |
162 | FillXstrips(icol, iFirstStrip, iLastStrip, | |
163 | iStripCircuit, fYpos11[fCurrentLocalBoard]); | |
8ff54bb6 | 164 | |
165 | //--- second plane | |
166 | ichamber = 12; | |
7103ac2d | 167 | fCurrentDetElem = AliMpDDLStore::Instance()->GetDEfromLocalBoard(fCurrentLocalBoard, ichamber); |
168 | ||
169 | fCurrentSeg = AliMpSegmentation::Instance() | |
170 | ->GetMpSegmentation(fCurrentDetElem, AliMp::GetCathodType(icathode)); | |
8ff54bb6 | 171 | |
172 | // second plane middle part | |
7103ac2d | 173 | Int_t iFirstStripMiddle = FirstStrip(localBoard); |
174 | Int_t iLastStripMiddle = iFirstStrip + 16; | |
175 | iStripCircuit = 8; | |
176 | ||
177 | FillXstrips(icol, iFirstStripMiddle, iLastStripMiddle, | |
178 | iStripCircuit, fYpos21[fCurrentLocalBoard]); | |
8ff54bb6 | 179 | |
180 | // second plane upper part | |
181 | if (zeroUp == 0) { // something up | |
182 | Int_t iFirstStripUp; | |
183 | Int_t iLastStripUp; | |
7103ac2d | 184 | Int_t icolUp = icol; |
185 | ||
8ff54bb6 | 186 | // check if we need to move to another detElemId |
7103ac2d | 187 | AliMpPad pad = fCurrentSeg->PadByIndices(AliMpIntPair(icol-1,iLastStripMiddle+1),kFALSE); |
188 | ||
8ff54bb6 | 189 | if (pad.IsValid()) { // upper strips within same detElemId |
190 | iFirstStripUp = iLastStripMiddle; | |
7103ac2d | 191 | iLastStripUp = iFirstStripUp + 8; |
192 | ||
8ff54bb6 | 193 | } else { // upper strips in another detElemId |
7103ac2d | 194 | fCurrentDetElem = AliMpDDLStore::Instance()-> |
195 | GetNextDEfromLocalBoard(fCurrentLocalBoard, ichamber); | |
196 | ||
197 | fCurrentSeg = AliMpSegmentation::Instance() | |
198 | ->GetMpSegmentation(fCurrentDetElem, AliMp::GetCathodType(icathode)); | |
8ff54bb6 | 199 | |
200 | iFirstStripUp = 0; | |
7103ac2d | 201 | iLastStripUp = iFirstStripUp + 8; |
8ff54bb6 | 202 | if (iline == 4) icolUp = icol - 1; // special case |
203 | if (iline == 5) icolUp = icol + 1; // special case | |
204 | } | |
205 | ||
7103ac2d | 206 | iStripCircuit = 24; |
207 | FillXstrips(icolUp, iFirstStripUp, iLastStripUp, | |
208 | iStripCircuit, fYpos21[fCurrentLocalBoard]); | |
8ff54bb6 | 209 | |
210 | // fill strip between middle and upper part | |
7103ac2d | 211 | fYpos21[fCurrentLocalBoard][47] = (fYpos21[fCurrentLocalBoard][46] + |
212 | fYpos21[fCurrentLocalBoard][48])/2.; | |
8ff54bb6 | 213 | } // end of something up |
214 | ||
215 | // restore current detElemId & segmentation | |
7103ac2d | 216 | fCurrentDetElem = AliMpDDLStore::Instance()->GetDEfromLocalBoard(fCurrentLocalBoard, ichamber); |
217 | fCurrentSeg = AliMpSegmentation::Instance() | |
218 | ->GetMpSegmentation(fCurrentDetElem, AliMp::GetCathodType(icathode)); | |
8ff54bb6 | 219 | |
220 | // second plane lower part | |
221 | if (zeroDown == 0) { // something down | |
222 | Int_t iFirstStripDo; | |
223 | Int_t iLastStripDo; | |
7103ac2d | 224 | Int_t icolDo = icol; |
8ff54bb6 | 225 | |
226 | // check if we need to move to another detElemId | |
7103ac2d | 227 | AliMpPad pad = fCurrentSeg->PadByIndices(AliMpIntPair(icol-1,iFirstStripMiddle-1),kFALSE); |
8ff54bb6 | 228 | if (pad.IsValid()) { // lower strips within same detElemId |
229 | iFirstStripDo = iFirstStripMiddle - 8; | |
7103ac2d | 230 | iLastStripDo = iFirstStripDo + 8; |
231 | ||
8ff54bb6 | 232 | } else { // lower strips in another detElemId |
7103ac2d | 233 | fCurrentDetElem = AliMpDDLStore::Instance() |
234 | ->GetPreviousDEfromLocalBoard(fCurrentLocalBoard, ichamber); | |
235 | ||
236 | fCurrentSeg = AliMpSegmentation::Instance() | |
237 | ->GetMpSegmentation(fCurrentDetElem, AliMp::GetCathodType(icathode)); | |
8ff54bb6 | 238 | |
239 | // get iFirstStrip in this module | |
7103ac2d | 240 | const AliMpTriggerSegmentation* trig = (AliMpTriggerSegmentation*)(fCurrentSeg); |
8ff54bb6 | 241 | const AliMpTrigger* t = trig->Slat(); |
242 | const AliMpSlat* slat = t->GetLayer(0); | |
7103ac2d | 243 | |
8ff54bb6 | 244 | if (iline == 5) icolDo = icol + 1; // special case |
7103ac2d | 245 | if (iline == 6) icolDo = icol - 1; // special case |
246 | ||
8ff54bb6 | 247 | const AliMpPCB* pcb = slat->GetPCB(icolDo-1); |
248 | iFirstStripDo = (pcb->Iymax() + 1) - 8; | |
249 | iLastStripDo = iFirstStripDo + 8; | |
250 | } | |
251 | ||
7103ac2d | 252 | iStripCircuit = 0; |
253 | FillXstrips(icolDo, iFirstStripDo, iLastStripDo, | |
254 | iStripCircuit, fYpos21[fCurrentLocalBoard]); | |
8ff54bb6 | 255 | |
256 | // fill strip between middle and upper part | |
7103ac2d | 257 | fYpos21[fCurrentLocalBoard][15] = (fYpos21[fCurrentLocalBoard][14] + |
258 | fYpos21[fCurrentLocalBoard][16])/2.; | |
8ff54bb6 | 259 | } // end of something down |
260 | ||
261 | } | |
262 | ||
263 | //---------------------------------------------------------------------- | |
7103ac2d | 264 | void AliMUONTriggerCircuit::FillXstrips(const Int_t icol, |
265 | const Int_t iFirstStrip, const Int_t iLastStrip, | |
266 | Int_t liStripCircuit, TArrayF& ypos) | |
267 | { | |
268 | /// fill | |
269 | Double_t xyGlobal[2] = {0.}; | |
270 | for (Int_t istrip = iFirstStrip; istrip < iLastStrip; ++istrip) { | |
271 | ||
272 | AliMpPad pad = fCurrentSeg->PadByIndices(AliMpIntPair(icol-1,istrip),kTRUE); | |
273 | if ( !pad.IsValid() ) { | |
274 | StdoutToAliError(cout << "Pad not found in seg " << endl; | |
275 | fCurrentSeg->Print(); | |
276 | cout << " ix,iy=" << icol-1 << "," << istrip << endl; | |
277 | ); | |
278 | } | |
279 | Float_t yDim = pad.Dimensions().Y(); // half size! | |
280 | ||
281 | XYGlobal(pad,xyGlobal); | |
282 | ||
283 | ypos[2*liStripCircuit] = xyGlobal[1]; | |
284 | if (istrip != (iLastStrip - 1)) ypos[2*liStripCircuit+1] = xyGlobal[1] + yDim; | |
285 | liStripCircuit++; | |
286 | } | |
287 | } | |
288 | ||
289 | ||
290 | //---------------------------------------------------------------------- | |
291 | void AliMUONTriggerCircuit::LoadXPos(AliMpLocalBoard* localBoard) | |
8ff54bb6 | 292 | { |
293 | /// fill fXpos11 -> x position of Y strips for the first plane only | |
294 | /// fXpos11 contains the x position of Y strip for the current circuit | |
295 | /// taking into account whether or nor not part(s) of the circuit | |
296 | /// (middle, up or down) has(have) 16 strips (handdled by means of switchs) | |
7103ac2d | 297 | |
298 | fCurrentLocalBoard = localBoard->GetId(); | |
299 | ||
8ff54bb6 | 300 | Int_t ichamber = 10; |
301 | Int_t icathode = 1; | |
302 | ||
7103ac2d | 303 | Int_t x2u = localBoard->GetSwitch(AliMpLocalBoard::kX2u); |
304 | Int_t x2m = localBoard->GetSwitch(AliMpLocalBoard::kX2m); | |
305 | Int_t x2d = localBoard->GetSwitch(AliMpLocalBoard::kX2d); | |
306 | Int_t zeroAllYLSB = localBoard->GetSwitch(AliMpLocalBoard::kZeroAllYLSB); | |
307 | ||
308 | Int_t iStripCircuit = 0; | |
309 | Int_t iFirstStrip = 0; | |
310 | Int_t iLastStrip = 0; | |
311 | Bool_t doubling = kFALSE; | |
8ff54bb6 | 312 | |
7103ac2d | 313 | Int_t iline = localBoard->GetPosition().GetFirst(); |
314 | Int_t icol = localBoard->GetPosition().GetSecond(); | |
315 | if ( iline == 5 ) --icol; | |
8ff54bb6 | 316 | |
7103ac2d | 317 | fCurrentDetElem = AliMpDDLStore::Instance()->GetDEfromLocalBoard(fCurrentLocalBoard, ichamber); |
318 | ||
319 | fCurrentSeg = AliMpSegmentation::Instance() | |
320 | ->GetMpSegmentation(fCurrentDetElem, AliMp::GetCathodType(icathode)); | |
8ff54bb6 | 321 | |
322 | // check if one needs a strip doubling or not | |
7103ac2d | 323 | if ( (x2u || x2m || x2d ) && x2m ) doubling = kTRUE; |
324 | ||
0d528e1f | 325 | |
8ff54bb6 | 326 | // check if one starts at strip = 0 or 8 (boards 26-29 and 143-146) |
7103ac2d | 327 | if (zeroAllYLSB) iStripCircuit = 8; |
8ff54bb6 | 328 | |
329 | // get iFirstStrip in this module | |
7103ac2d | 330 | const AliMpTriggerSegmentation* trig = (AliMpTriggerSegmentation*)(fCurrentSeg); |
8ff54bb6 | 331 | const AliMpTrigger* t = trig->Slat(); |
332 | const AliMpSlat* slat = t->GetLayer(0); | |
333 | ||
334 | const AliMpPCB* pcb = slat->GetPCB(icol-1); | |
335 | iFirstStrip = pcb->Ixmin(); | |
336 | ||
7103ac2d | 337 | |
0d528e1f | 338 | if (doubling || zeroAllYLSB == 1) iLastStrip = iFirstStrip + 8; |
8ff54bb6 | 339 | else iLastStrip = iFirstStrip + 16; |
340 | ||
7103ac2d | 341 | FillYstrips(iFirstStrip, iLastStrip, iStripCircuit, doubling); |
8ff54bb6 | 342 | } |
343 | ||
344 | //---------------------------------------------------------------------- | |
7103ac2d | 345 | void AliMUONTriggerCircuit::FillYstrips(const Int_t iFirstStrip, const Int_t iLastStrip, |
346 | Int_t liStripCircuit, | |
347 | const Bool_t doubling) | |
8ff54bb6 | 348 | { |
349 | /// fill | |
7103ac2d | 350 | Double_t xyGlobal[2] = {0.}; |
351 | ||
352 | for (Int_t istrip = iFirstStrip; istrip < iLastStrip; ++istrip) { | |
0d528e1f | 353 | |
7103ac2d | 354 | AliMpPad pad = fCurrentSeg->PadByIndices(AliMpIntPair(istrip,0),kTRUE); |
0d528e1f | 355 | |
8ff54bb6 | 356 | if ( !pad.IsValid() ) |
357 | { | |
358 | StdoutToAliError(cout << "Pad not found in seg " << endl; | |
7103ac2d | 359 | fCurrentSeg->Print(); |
8ff54bb6 | 360 | cout << " ix,iy=" << istrip << "," << 0 << endl; |
361 | ); | |
362 | } | |
7103ac2d | 363 | Float_t xDim = pad.Dimensions().X(); // half size! |
8ff54bb6 | 364 | |
7103ac2d | 365 | XYGlobal(pad,xyGlobal); |
8ff54bb6 | 366 | |
7103ac2d | 367 | if (!doubling) { |
368 | fXpos11[fCurrentLocalBoard].AddAt(xyGlobal[0], liStripCircuit); | |
369 | } else if (doubling) { | |
370 | ||
371 | fXpos11[fCurrentLocalBoard].AddAt(TMath::Sign(1.,xyGlobal[0]) * | |
372 | (TMath::Abs(xyGlobal[0]) - xDim/2.), 2*liStripCircuit); | |
373 | ||
374 | fXpos11[fCurrentLocalBoard].AddAt(TMath::Sign(1.,xyGlobal[0]) * | |
375 | (TMath::Abs(fXpos11[fCurrentLocalBoard][2*liStripCircuit]) + xDim), | |
376 | 2*liStripCircuit + 1); | |
377 | } | |
378 | ||
8ff54bb6 | 379 | liStripCircuit++; |
380 | } | |
381 | } | |
382 | ||
383 | //---------------------------------------------------------------------- | |
7103ac2d | 384 | void AliMUONTriggerCircuit::XYGlobal(const AliMpPad& pad, |
385 | Double_t* xyGlobal) | |
8ff54bb6 | 386 | { |
7103ac2d | 387 | /// returns pad x & y positions and x & y pad dimensions in global coordinates |
388 | /// note: no need for transformation for pad dimensions | |
8ff54bb6 | 389 | |
7103ac2d | 390 | // get the pad position and dimensions |
391 | Double_t xl1 = pad.Position().X(); | |
392 | Double_t yl1 = pad.Position().Y(); | |
393 | Double_t zg1 = 0; | |
394 | ||
395 | // positions from local to global | |
396 | fTransformer->Local2Global(fCurrentDetElem, xl1, yl1, 0, | |
397 | xyGlobal[0], xyGlobal[1], zg1); | |
8ff54bb6 | 398 | } |
7103ac2d | 399 | |
8ff54bb6 | 400 | |
401 | //---------------------------------------------------------------------- | |
7103ac2d | 402 | //--- methods which return member data related info |
403 | //---------------------------------------------------------------------- | |
404 | Float_t AliMUONTriggerCircuit::GetY11Pos(Int_t localBoardId, Int_t istrip) const | |
8ff54bb6 | 405 | { |
7103ac2d | 406 | /// returns Y position of X strip istrip in MC11 |
407 | return fYpos11[localBoardId][istrip]; | |
8ff54bb6 | 408 | } |
8ff54bb6 | 409 | //---------------------------------------------------------------------- |
7103ac2d | 410 | Float_t AliMUONTriggerCircuit::GetY21Pos(Int_t localBoardId, Int_t istrip) const |
8ff54bb6 | 411 | { |
7103ac2d | 412 | /// returns Y position of X strip istrip in MC21 |
413 | return fYpos21[localBoardId][istrip]; | |
8ff54bb6 | 414 | } |
8ff54bb6 | 415 | //---------------------------------------------------------------------- |
7103ac2d | 416 | Float_t AliMUONTriggerCircuit::GetX11Pos(Int_t localBoardId, Int_t istrip) const |
8ff54bb6 | 417 | { |
7103ac2d | 418 | /// returns X position of Y strip istrip in MC11 |
419 | return fXpos11[localBoardId][istrip]; | |
8ff54bb6 | 420 | } |
421 | ||
422 | //---------------------------------------------------------------------- | |
7103ac2d | 423 | Int_t AliMUONTriggerCircuit::FirstStrip(AliMpLocalBoard* localBoard) |
8ff54bb6 | 424 | { |
425 | /// returns the first strip from mapping for board boardName | |
426 | /// take care of special case for boards RC1L6B12 & LC1L6B12 | |
427 | Int_t iFirstStrip = -1; | |
7103ac2d | 428 | Int_t boardNumber = atoi(localBoard->GetName()+6); |
429 | ||
430 | Int_t iline = localBoard->GetPosition().GetFirst(); | |
431 | Int_t icol = localBoard->GetPosition().GetSecond(); | |
432 | if ( iline == 5 ) --icol; | |
433 | ||
8ff54bb6 | 434 | switch (boardNumber) |
435 | { | |
436 | case 12: | |
437 | iFirstStrip = 0; | |
438 | break; | |
439 | case 34: | |
440 | iFirstStrip = 16; | |
441 | break; | |
442 | case 56: | |
443 | iFirstStrip = 32; | |
444 | break; | |
445 | case 78: | |
446 | iFirstStrip = 48; | |
447 | break; | |
448 | } | |
7103ac2d | 449 | if (icol == 1 && iline == 6) iFirstStrip += 16; // special case |
8ff54bb6 | 450 | return iFirstStrip; |
451 | } | |
452 |