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[u/mrichter/AliRoot.git] / MUON / AliMUONTriggerCircuit.cxx
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a9e2aefa 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 **************************************************************************/
cbc57deb 15
88cb7938 16/* $Id$ */
aac5be80 17
30178c30 18#include <TMath.h>
19
20#include "AliMUONTriggerCircuit.h"
a9e2aefa 21#include "AliRun.h"
22#include "AliMUON.h"
aac5be80 23#include "AliMUONTriggerConstants.h"
a30a000f 24#include "AliSegmentation.h"
a9e2aefa 25#include "AliMUONChamber.h"
3f434b6f 26#include "AliMUONConstants.h"
8c343c7c 27#include "AliLog.h"
a9e2aefa 28
29ClassImp(AliMUONTriggerCircuit)
30
a9e2aefa 31//----------------------------------------------------------------------
30178c30 32AliMUONTriggerCircuit::AliMUONTriggerCircuit()
33 : TObject()
a9e2aefa 34{
35// Constructor
ef42d733 36 fSegmentation=0;
ecfa008b 37 fIdCircuit=0;
38 fX2m=0;
39 fX2ud=0;
a9e2aefa 40 fOrMud[0]=fOrMud[1]=0;
aac5be80 41 Int_t i;
42 for (i=0; i<4; i++) {
a9e2aefa 43 for (Int_t j=0; j<32; j++) {
44 fXcode[i][j]=0;
45 fYcode[i][j]=0;
46 }
47 }
aac5be80 48 for (i=0; i<16; i++) { fXpos11[i]=0.; }
49 for (i=0; i<31; i++) { fYpos11[i]=0.; }
50 for (i=0; i<63; i++) { fYpos21[i]=0.; }
a9e2aefa 51}
52
53//----------------------------------------------------------------------
30178c30 54AliMUONTriggerCircuit::AliMUONTriggerCircuit(const AliMUONTriggerCircuit& theMUONTriggerCircuit)
55 : TObject(theMUONTriggerCircuit)
a9e2aefa 56{
30178c30 57// Protected copy constructor
58
8c343c7c 59 AliFatal("Not implemented.");
a9e2aefa 60}
61
62//----------------------------------------------------------------------
30178c30 63AliMUONTriggerCircuit &
64AliMUONTriggerCircuit::operator=(const AliMUONTriggerCircuit& rhs)
a9e2aefa 65{
30178c30 66// Protected assignement operator
67
68 if (this == &rhs) return *this;
69
8c343c7c 70 AliFatal("Not implemented.");
30178c30 71
72 return *this;
a9e2aefa 73}
74
75//----------------------------------------------------------------------
76void AliMUONTriggerCircuit::Init(Int_t iCircuit) {
77// initialize circuit characteristics
ecfa008b 78 fIdCircuit=AliMUONTriggerConstants::CircuitId(iCircuit);
a9e2aefa 79 LoadX2();
80 LoadXCode();
81 LoadYCode();
82 LoadXPos();
83 LoadYPos();
84}
85
86//----------------------------------------------------------------------
30178c30 87Int_t AliMUONTriggerCircuit::CircuitNumber(Int_t idCircuit) const {
a9e2aefa 88// returns circuit number iCircuit (0-234) corresponding to circuit idCircuit
89 Int_t iCircuit=0;
90 for (Int_t i=0; i<234; i++) {
aac5be80 91 if (AliMUONTriggerConstants::CircuitId(i)==idCircuit) {
a9e2aefa 92 iCircuit=i;
93 break;
94 }
95 }
96 return iCircuit;
97}
98//----------------------------------------------------------------------
30178c30 99Int_t AliMUONTriggerCircuit::ModuleNumber(Int_t idModule) const {
a9e2aefa 100// returns module number imod (from 0 to 63) corresponding to module idmodule
101 Int_t absidModule=TMath::Abs(idModule);
102 Int_t iModule=0;
103 for (Int_t i=0; i<63; i++) {
aac5be80 104 if (AliMUONTriggerConstants::ModuleId(i)==absidModule) {
a9e2aefa 105 iModule=i;
106 break;
107 }
108 }
109 return iModule;
110}
111
112//----------------------------------------------------------------------
30178c30 113Int_t AliMUONTriggerCircuit::Module(Int_t idCircuit) const {
a9e2aefa 114// returns ModuleId where Circuit idCircuit is sitting
115 return Int_t(idCircuit/10);
116}
117//----------------------------------------------------------------------
30178c30 118Int_t AliMUONTriggerCircuit::Position(Int_t idCircuit) const {
a9e2aefa 119// returns position of idCircuit in correcponding Module
120 return TMath::Abs(idCircuit)-TMath::Abs(Module(idCircuit))*10;
121}
122
123//----------------------------------------------------------------------
124void AliMUONTriggerCircuit::LoadX2() {
ecfa008b 125// initialize fX2m, fX2ud and fOrMud
a9e2aefa 126
ecfa008b 127 Int_t idModule=Module(fIdCircuit); // corresponding module Id.
aac5be80 128// and its number of X strips
129 Int_t nStrX=AliMUONTriggerConstants::NstripX(ModuleNumber(idModule));
130// and its number of Y strips
131 Int_t nStrY=AliMUONTriggerConstants::NstripY(ModuleNumber(idModule));
ecfa008b 132 Int_t iPosCircuit=Position(fIdCircuit); // position of circuit in module
a9e2aefa 133
134// first step : look at lower part
135 if (iPosCircuit==1) { // need to scan lower module
136 if(idModule<91&&TMath::Abs(idModule)!=41&&idModule>-91) {
137 fOrMud[0]=1;
138 Int_t idModuleD=(TMath::Abs(idModule)+10)*(TMath::Abs(idModule)/idModule);
aac5be80 139 Int_t nStrD=AliMUONTriggerConstants::NstripY(ModuleNumber(idModuleD));
a9e2aefa 140
141 if (nStrY!=nStrD
142 &&TMath::Abs(idModule)!=42&&TMath::Abs(idModule)!=52) {
ecfa008b 143 if (nStrY==8) fX2m=1;
144 if (nStrD==8) fX2ud=1;
a9e2aefa 145 }
146 }
147
148 } else { // lower strips within same module
149 fOrMud[0]=0;
150 }
151
152// second step : look at upper part
153 if ((iPosCircuit==1&&nStrX==16)||(iPosCircuit==2&&nStrX==32)||
154 (iPosCircuit==3&&nStrX==48)||(iPosCircuit==4&&nStrX==64)) {
155 if ((idModule>17||idModule<-17)&&TMath::Abs(idModule)!=61) {
156 fOrMud[1]=1;
157 Int_t idModuleU=(TMath::Abs(idModule)-10)*(TMath::Abs(idModule)/idModule);
aac5be80 158 Int_t nStrU=AliMUONTriggerConstants::NstripY(ModuleNumber(idModuleU));
a9e2aefa 159
160 if (nStrY!=nStrU
161 &&TMath::Abs(idModule)!=62&&TMath::Abs(idModule)!=52) {
ecfa008b 162 if (nStrY==8) fX2m=1;
163 if (nStrU==8) fX2ud=1;
a9e2aefa 164 }
165 }
166
167 } else { // upper strips within same module
168 fOrMud[1]=0;
169 }
170}
171
172//----------------------------------------------------------------------
173void AliMUONTriggerCircuit::LoadXCode(){
174// assign a Id. number to each X strip of current circuit
175// Id.=(corresponding module Id.)*100+(Id. strip of module)
176
177// first part : fill XMC11 XMC12 and strips 8 to 24 (middle) XMC21 XMC22
178 Int_t iStripCircMT1=0, iStripCircMT2=8;
ecfa008b 179 Int_t idModule=Module(fIdCircuit); // corresponding module Id.
aac5be80 180// and its number of strips
181 Int_t nStrX=AliMUONTriggerConstants::NstripX(ModuleNumber(idModule));
ecfa008b 182 Int_t iPosCircuit=Position(fIdCircuit); // position of circuit in module
a9e2aefa 183 Int_t sign=TMath::Abs(idModule)/idModule; // left or right
aac5be80 184 Int_t istrip;
a9e2aefa 185
aac5be80 186 for (istrip=(iPosCircuit-1)*16;
a9e2aefa 187 istrip<(iPosCircuit-1)*16+16; istrip++) {
188
189 fXcode[0][iStripCircMT1]=sign*(TMath::Abs(idModule)*100+istrip);
190 fXcode[1][iStripCircMT1]=sign*(TMath::Abs(idModule)*100+istrip);
191 fXcode[2][iStripCircMT2]=sign*(TMath::Abs(idModule)*100+istrip);
192 fXcode[3][iStripCircMT2]=sign*(TMath::Abs(idModule)*100+istrip);
193 iStripCircMT1++;
194 iStripCircMT2++;
195 }
196
197// second part
198// XMC21 XMC22 strips 0 to 7 and 24 to 31
199 Int_t idModuleD, idModuleU;
200 Int_t nStrD, nStrU;
201
ecfa008b 202 idModule=Module(fIdCircuit); // corresponding module Id.
aac5be80 203// number of X strips
204 nStrX=AliMUONTriggerConstants::NstripX(ModuleNumber(idModule));
a9e2aefa 205 sign=TMath::Abs(idModule)/idModule;
206
207// fill lower part (0 to 7)
208 if (iPosCircuit==1) { // need to scan lower module
209 if(idModule<91&&TMath::Abs(idModule)!=41&&idModule>-91) { // non-existing
210 idModuleD=sign*(TMath::Abs(idModule)+10); // lower module Id
aac5be80 211// and its number of strips
212 nStrD=AliMUONTriggerConstants::NstripX(ModuleNumber(idModuleD));
a9e2aefa 213
214 iStripCircMT2=0;
aac5be80 215 for (istrip=nStrD-8; istrip<nStrD; istrip++) {
a9e2aefa 216 fXcode[2][iStripCircMT2]=sign*(TMath::Abs(idModuleD)*100+istrip);
217 fXcode[3][iStripCircMT2]=sign*(TMath::Abs(idModuleD)*100+istrip);
218 iStripCircMT2++;
219 }
220 }
221
222 } else { // lower strips within same module
223
224 iStripCircMT2=0;
aac5be80 225 for (istrip=(iPosCircuit-1)*16-8;
a9e2aefa 226 istrip<(iPosCircuit-1)*16; istrip++) {
227 fXcode[2][iStripCircMT2]=sign*(TMath::Abs(idModule)*100+istrip);
228 fXcode[3][iStripCircMT2]=sign*(TMath::Abs(idModule)*100+istrip);
229 iStripCircMT2++;
230 }
231 }
232
233// fill upper part (24 to 31)
234 if ((iPosCircuit==1&&nStrX==16)||(iPosCircuit==2&&nStrX==32)||
235 (iPosCircuit==3&&nStrX==48)||(iPosCircuit==4&&nStrX==64)) {
236 if ((idModule>17||idModule<-17)&&TMath::Abs(idModule)!=61) {
237 idModuleU=sign*(TMath::Abs(idModule)-10); // upper module Id
aac5be80 238// and its number of strips
239 nStrU=AliMUONTriggerConstants::NstripX(ModuleNumber(idModuleU));
a9e2aefa 240
241 iStripCircMT2=24;
aac5be80 242 for (istrip=0; istrip<8; istrip++) {
a9e2aefa 243 fXcode[2][iStripCircMT2]=sign*(TMath::Abs(idModuleU)*100+istrip);
244 fXcode[3][iStripCircMT2]=sign*(TMath::Abs(idModuleU)*100+istrip);
245 iStripCircMT2++;
246 }
247 }
248
249 } else if ((iPosCircuit==1&&nStrX>16)||(iPosCircuit==2&&nStrX>32)||
250 (iPosCircuit==3&&nStrX>48)) { // upper strips within same mod.
251
252 iStripCircMT2=24;
aac5be80 253 for (istrip=(iPosCircuit-1)*16+16;
a9e2aefa 254 istrip<(iPosCircuit-1)*16+24; istrip++) {
255 fXcode[2][iStripCircMT2]=sign*(TMath::Abs(idModule)*100+istrip);
256 fXcode[3][iStripCircMT2]=sign*(TMath::Abs(idModule)*100+istrip);
257 iStripCircMT2++;
258 }
259 }
260}
261
262//----------------------------------------------------------------------
263void AliMUONTriggerCircuit::LoadYCode(){
264// assign a Id. number to each Y strip of current circuit
265// Id.=(corresponding module Id.)*100+(Id. strip of module)
266// note : for Y plane fill only "central part" of circuit
267// (upper and lower parts are filled in PreHandlingY of AliMUONTriggerDecision)
268
ecfa008b 269 Int_t idModule=Module(fIdCircuit); // corresponding module Id.
aac5be80 270// and its number of Y strips
271 Int_t nStrY=AliMUONTriggerConstants::NstripY(ModuleNumber(idModule));
a9e2aefa 272 Int_t sign=TMath::Abs(idModule)/idModule; // left or right
273
274 for (Int_t istrip=0; istrip<nStrY; istrip++) {
275 fYcode[0][istrip]=sign*(TMath::Abs(idModule)*100+istrip);
276 fYcode[1][istrip]=sign*(TMath::Abs(idModule)*100+istrip);
277 fYcode[2][istrip]=sign*(TMath::Abs(idModule)*100+istrip);
278 fYcode[3][istrip]=sign*(TMath::Abs(idModule)*100+istrip);
279 }
280}
281
282//----------------------------------------------------------------------
283void AliMUONTriggerCircuit::LoadYPos(){
284// fill fYpos11 and fYpos21 -> y position of X declusterized strips
285
286 Int_t chamber, cathode;
287 Int_t code, idModule, idStrip, idSector;
802a864d 288 Float_t x, y, z, width;
aac5be80 289 Int_t istrip;
a9e2aefa 290
291 AliMUON *pMUON = (AliMUON*)gAlice->GetModule("MUON");
292 AliMUONChamber* iChamber;
a30a000f 293 AliSegmentation* segmentation;
a9e2aefa 294
295// first plane (11)
296 chamber=11;
297 cathode=1;
298 iChamber = &(pMUON->Chamber(chamber-1));
299 segmentation=iChamber->SegmentationModel(cathode);
300
aac5be80 301 for (istrip=0; istrip<16; istrip++) {
a9e2aefa 302 code=fXcode[0][istrip]; // decode current strip
303 idModule=Int_t(code/100); // corresponding module Id.
304 idStrip=TMath::Abs(code-idModule*100); // corresp. strip number in module
305 idSector=segmentation->Sector(idModule,idStrip); // corresponding sector
306 width=segmentation->Dpy(idSector); // corresponding strip width
a30a000f 307 segmentation->GetPadC(idModule,idStrip,x,y,z); // get strip real position
a9e2aefa 308
309 fYpos11[2*istrip]=y;
310 if (istrip!=15) fYpos11[2*istrip+1]=y+width/2.;
311 }
312
313// second plane (21)
314 chamber=13;
315 cathode=1;
316 iChamber = &(pMUON->Chamber(chamber-1));
317 segmentation=iChamber->SegmentationModel(cathode);
318
aac5be80 319 for (istrip=0; istrip<32; istrip++) {
a9e2aefa 320 code=fXcode[2][istrip]; // decode current strip
321 idModule=Int_t(code/100); // corresponding module Id.
322 idStrip=TMath::Abs(code-idModule*100); // corresp. strip number in module
323 idSector=segmentation->Sector(idModule,idStrip); // corresponding sector
324 width=segmentation->Dpy(idSector); // corresponding strip width
a30a000f 325 segmentation->GetPadC(idModule,idStrip,x,y,z); // get strip real position
a9e2aefa 326
327// using idModule!=0 prevents to fill garbage in case of circuits
328// in the first and last rows
329 if (idModule!=0) {
330 fYpos21[2*istrip]=y;
331 if (istrip!=31) fYpos21[2*istrip+1]=y+width/2.;
332 }
333 }
334}
335
336//----------------------------------------------------------------------
337void AliMUONTriggerCircuit::LoadXPos(){
338// fill fXpos11 -> x position of Y strips for the first plane only
339// fXpos11 contains the x position of Y strip for the current circuit
340// taking into account whether or nor not part(s) of the circuit
341// (middle, up or down) has(have) 16 strips
342
802a864d 343 Float_t x, y, z;
aac5be80 344 Int_t istrip;
a9e2aefa 345
346 Int_t chamber=11;
347 Int_t cathode=2;
348 AliMUON *pMUON = (AliMUON*)gAlice->GetModule("MUON");
349 AliMUONChamber* iChamber;
a30a000f 350 AliSegmentation* segmentation;
a9e2aefa 351 iChamber = &(pMUON->Chamber(chamber-1));
352 segmentation=iChamber->SegmentationModel(cathode);
353
ecfa008b 354 Int_t idModule=Module(fIdCircuit); // corresponding module Id.
aac5be80 355// number of Y strips
356 Int_t nStrY=AliMUONTriggerConstants::NstripY(ModuleNumber(idModule));
a9e2aefa 357 Int_t idSector=segmentation->Sector(idModule,0); // corresp. sector
358 Float_t width=segmentation->Dpx(idSector); // corresponding strip width
359
360// first case : up middle and down parts have all 8 or 16 strip
ecfa008b 361 if ((nStrY==16)||(nStrY==8&&fX2m==0&&fX2ud==0)) {
aac5be80 362 for (istrip=0; istrip<nStrY; istrip++) {
a30a000f 363 segmentation->GetPadC(idModule,istrip,x,y,z);
a9e2aefa 364 fXpos11[istrip]=x;
365 }
366// second case : mixing 8 and 16 strips within same circuit
367 } else {
aac5be80 368 for (istrip=0; istrip<nStrY; istrip++) {
cbc57deb 369 if (nStrY!=8) { printf(" bug in LoadXpos \n");}
a30a000f 370 segmentation->GetPadC(idModule,istrip,x,y,z);
a9e2aefa 371 fXpos11[2*istrip]=x-width/4.;
372 fXpos11[2*istrip+1]=fXpos11[2*istrip]+width/2.;
373 }
374 }
375}
376
377//----------------------------------------------------------------------
378Float_t AliMUONTriggerCircuit::PtCal(Int_t istripX, Int_t idev, Int_t istripY){
379// returns calculated pt for circuit/istripX/idev/istripY according
380// to the formula of the TRD. Note : idev (input) is in [0+30]
381
382 // Int_t jdev = idev - 15; // jdev in [-15+15]
383 Int_t istripX2=istripX+idev+1; // find istripX2 using istripX and idev
384
385 Float_t yPosX1=fYpos11[istripX];
386 Float_t yPosX2=fYpos21[istripX2];
387 Float_t xPosY1=fXpos11[istripY];
388
3f434b6f 389 Float_t zf=975.;
390 Float_t z1=AliMUONConstants::DefaultChamberZ(10);
391 Float_t z2=AliMUONConstants::DefaultChamberZ(12);
a9e2aefa 392 Float_t thetaDev=(1./zf)*(yPosX1*z2-yPosX2*z1)/(z2-z1);
393 Float_t xf=xPosY1*zf/z1;
394 Float_t yf=yPosX2-((yPosX2-yPosX1)*(z2-zf))/(z2-z1);
395 return (3.*0.3/TMath::Abs(thetaDev)) * TMath::Sqrt(xf*xf+yf*yf)/zf;
396}
397
398//----------------------------------------------------------------------
399//--- methods which return member data related info
400//----------------------------------------------------------------------
30178c30 401Int_t AliMUONTriggerCircuit::GetIdCircuit() const {
a9e2aefa 402// returns circuit Id
ecfa008b 403 return fIdCircuit;
a9e2aefa 404}
405//----------------------------------------------------------------------
30178c30 406Int_t AliMUONTriggerCircuit::GetIdModule() const {
a9e2aefa 407// returns module Id
ecfa008b 408 return Module(fIdCircuit);
a9e2aefa 409}
410//----------------------------------------------------------------------
30178c30 411Int_t AliMUONTriggerCircuit::GetNstripX() const {
a9e2aefa 412// returns the number of X strips in the module where the circuit is sitting
ecfa008b 413 return AliMUONTriggerConstants::NstripX(ModuleNumber(Module(fIdCircuit)));
a9e2aefa 414}
415//----------------------------------------------------------------------
30178c30 416Int_t AliMUONTriggerCircuit::GetNstripY() const {
a9e2aefa 417// returns the number of Y strips in the module where the circuit is sitting
ecfa008b 418 return AliMUONTriggerConstants::NstripY(ModuleNumber(Module(fIdCircuit)));
a9e2aefa 419}
420//----------------------------------------------------------------------
30178c30 421Int_t AliMUONTriggerCircuit::GetPosCircuit() const {
a9e2aefa 422// returns the position of the circuit in its module
ecfa008b 423 return Position(fIdCircuit);
a9e2aefa 424}
425//----------------------------------------------------------------------
30178c30 426Int_t AliMUONTriggerCircuit::GetIdCircuitD() const {
a9e2aefa 427// returns the Id of the circuit down
ecfa008b 428 Int_t idModule=Module(fIdCircuit);
a9e2aefa 429 Int_t idModuleD=(TMath::Abs(idModule)+10)*(TMath::Abs(idModule)/idModule);
430 return (TMath::Abs(idModuleD)*10+1)*(TMath::Abs(idModule)/idModule);
431}
432//----------------------------------------------------------------------
30178c30 433Int_t AliMUONTriggerCircuit::GetICircuitD() const {
a9e2aefa 434// returns the number of the circuit down
ecfa008b 435 Int_t idModule=Module(fIdCircuit);
a9e2aefa 436 Int_t idModuleD=(TMath::Abs(idModule)+10)*(TMath::Abs(idModule)/idModule);
437 Int_t idCircuitD=
438 (TMath::Abs(idModuleD)*10+1)*(TMath::Abs(idModule)/idModule);
439 return CircuitNumber(idCircuitD);
440}
441//----------------------------------------------------------------------
30178c30 442Int_t AliMUONTriggerCircuit::GetIdCircuitU() const {
a9e2aefa 443// returns the Id of the circuit up
ecfa008b 444 Int_t idModule=Module(fIdCircuit);
a9e2aefa 445 Int_t idModuleU=(TMath::Abs(idModule)-10)*(TMath::Abs(idModule)/idModule);
446 return (TMath::Abs(idModuleU)*10+1)*(TMath::Abs(idModule)/idModule);
447}
448//----------------------------------------------------------------------
30178c30 449Int_t AliMUONTriggerCircuit::GetICircuitU() const {
a9e2aefa 450// returns the number of the circuit up
ecfa008b 451 Int_t idModule=Module(fIdCircuit);
a9e2aefa 452 Int_t idModuleU=(TMath::Abs(idModule)-10)*(TMath::Abs(idModule)/idModule);
453 Int_t idCircuitU=
454 (TMath::Abs(idModuleU)*10+1)*(TMath::Abs(idModule)/idModule);
455 return CircuitNumber(idCircuitU);
456}
457//----------------------------------------------------------------------
30178c30 458Int_t AliMUONTriggerCircuit::GetX2m() const {
ecfa008b 459// returns fX2m
460 return fX2m;
a9e2aefa 461}
462//----------------------------------------------------------------------
30178c30 463Int_t AliMUONTriggerCircuit::GetX2ud() const {
ecfa008b 464// returns fX2ud
465 return fX2ud;
a9e2aefa 466}
467//----------------------------------------------------------------------
30178c30 468void AliMUONTriggerCircuit::GetOrMud(Int_t orMud[2]) const {
a9e2aefa 469// returns fOrMud
470 orMud[0]=fOrMud[0];
471 orMud[1]=fOrMud[1];
472}
473//----------------------------------------------------------------------
30178c30 474Int_t AliMUONTriggerCircuit::GetXcode(Int_t chamber, Int_t istrip) const {
a9e2aefa 475// returns X code of circuit/chamber/istrip (warning : chamber in [0,3])
476 return fXcode[chamber][istrip];
477}
478//----------------------------------------------------------------------
30178c30 479Int_t AliMUONTriggerCircuit::GetYcode(Int_t chamber, Int_t istrip) const {
a9e2aefa 480// returns Y code of circuit/chamber/istrip (warning : chamber in [0,3])
481 return fYcode[chamber][istrip];
482}
483//----------------------------------------------------------------------
30178c30 484Float_t AliMUONTriggerCircuit::GetY11Pos(Int_t istrip) const {
a9e2aefa 485// returns Y position of X strip istrip in MC11
486 return fYpos11[istrip];
487}
488//----------------------------------------------------------------------
30178c30 489Float_t AliMUONTriggerCircuit::GetY21Pos(Int_t istrip) const {
a9e2aefa 490// returns Y position of X strip istrip in MC21
491 return fYpos21[istrip];
492}
493//----------------------------------------------------------------------
30178c30 494Float_t AliMUONTriggerCircuit::GetX11Pos(Int_t istrip) const {
a9e2aefa 495// returns X position of Y strip istrip in MC11
496 return fXpos11[istrip];
497}
498//----------------------------------------------------------------------
499//--- end of methods which return member data related info
500//----------------------------------------------------------------------
501
502
503
504
505
506
507