1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
20 #include "AliMUONTriggerCircuit.h"
23 #include "AliMUONTriggerConstants.h"
24 #include "AliMUONGeometrySegmentation.h"
25 #include "AliMUONChamber.h"
26 #include "AliMUONConstants.h"
29 ClassImp(AliMUONTriggerCircuit)
31 //----------------------------------------------------------------------
32 AliMUONTriggerCircuit::AliMUONTriggerCircuit()
37 // fSegmentationType(1)
41 fOrMud[0]=fOrMud[1]=0;
44 for (Int_t j=0; j<32; j++) {
49 for (i=0; i<16; i++) { fXpos11[i]=0.; }
50 for (i=0; i<31; i++) { fYpos11[i]=0.; }
51 for (i=0; i<63; i++) { fYpos21[i]=0.; }
54 //----------------------------------------------------------------------
55 AliMUONTriggerCircuit::AliMUONTriggerCircuit(const AliMUONTriggerCircuit& theMUONTriggerCircuit)
56 : TObject(theMUONTriggerCircuit)
58 // Protected copy constructor
60 AliFatal("Not implemented.");
63 //----------------------------------------------------------------------
64 AliMUONTriggerCircuit &
65 AliMUONTriggerCircuit::operator=(const AliMUONTriggerCircuit& rhs)
67 // Protected assignement operator
69 if (this == &rhs) return *this;
71 AliFatal("Not implemented.");
76 //----------------------------------------------------------------------
77 void AliMUONTriggerCircuit::Init(Int_t iCircuit) {
78 // initialize circuit characteristics
79 fIdCircuit=AliMUONTriggerConstants::CircuitId(iCircuit);
80 AliMUON *pMUON = (AliMUON*)gAlice->GetModule("MUON");
86 if (pMUON->WhichSegmentation() == 1)
87 AliFatal("Old Segmentation no more supported.");
94 //----------------------------------------------------------------------
95 Int_t AliMUONTriggerCircuit::CircuitNumber(Int_t idCircuit) const {
96 // returns circuit number iCircuit (0-234) corresponding to circuit idCircuit
98 for (Int_t i=0; i<234; i++) {
99 if (AliMUONTriggerConstants::CircuitId(i)==idCircuit) {
106 //----------------------------------------------------------------------
107 Int_t AliMUONTriggerCircuit::ModuleNumber(Int_t idModule) const {
108 // returns module number imod (from 0 to 63) corresponding to module idmodule
109 Int_t absidModule=TMath::Abs(idModule);
111 for (Int_t i=0; i<63; i++) {
112 if (AliMUONTriggerConstants::ModuleId(i)==absidModule) {
120 //----------------------------------------------------------------------
121 Int_t AliMUONTriggerCircuit::Module(Int_t idCircuit) const {
122 // returns ModuleId where Circuit idCircuit is sitting
123 return Int_t(idCircuit/10);
125 //----------------------------------------------------------------------
126 Int_t AliMUONTriggerCircuit::Position(Int_t idCircuit) const {
127 // returns position of idCircuit in correcponding Module
128 return TMath::Abs(idCircuit)-TMath::Abs(Module(idCircuit))*10;
131 //----------------------------------------------------------------------
132 void AliMUONTriggerCircuit::LoadX2() {
133 // initialize fX2m, fX2ud and fOrMud
135 Int_t idModule=Module(fIdCircuit); // corresponding module Id.
136 // and its number of X strips
137 Int_t nStrX=AliMUONTriggerConstants::NstripX(ModuleNumber(idModule));
138 // and its number of Y strips
139 Int_t nStrY=AliMUONTriggerConstants::NstripY(ModuleNumber(idModule));
140 Int_t iPosCircuit=Position(fIdCircuit); // position of circuit in module
142 // first step : look at lower part
143 if (iPosCircuit==1) { // need to scan lower module
144 if(idModule<91&&TMath::Abs(idModule)!=41&&idModule>-91) {
146 Int_t idModuleD=(TMath::Abs(idModule)+10)*(TMath::Abs(idModule)/idModule);
147 Int_t nStrD=AliMUONTriggerConstants::NstripY(ModuleNumber(idModuleD));
150 &&TMath::Abs(idModule)!=42&&TMath::Abs(idModule)!=52) {
151 if (nStrY==8) fX2m=1;
152 if (nStrD==8) fX2ud=1;
156 } else { // lower strips within same module
160 // second step : look at upper part
161 if ((iPosCircuit==1&&nStrX==16)||(iPosCircuit==2&&nStrX==32)||
162 (iPosCircuit==3&&nStrX==48)||(iPosCircuit==4&&nStrX==64)) {
163 if ((idModule>17||idModule<-17)&&TMath::Abs(idModule)!=61) {
165 Int_t idModuleU=(TMath::Abs(idModule)-10)*(TMath::Abs(idModule)/idModule);
166 Int_t nStrU=AliMUONTriggerConstants::NstripY(ModuleNumber(idModuleU));
169 &&TMath::Abs(idModule)!=62&&TMath::Abs(idModule)!=52) {
170 if (nStrY==8) fX2m=1;
171 if (nStrU==8) fX2ud=1;
175 } else { // upper strips within same module
180 //----------------------------------------------------------------------
181 void AliMUONTriggerCircuit::LoadXCode(){
182 // assign a Id. number to each X strip of current circuit
183 // Id.=(corresponding module Id.)*100+(Id. strip of module)
185 // first part : fill XMC11 XMC12 and strips 8 to 24 (middle) XMC21 XMC22
186 Int_t iStripCircMT1=0, iStripCircMT2=8;
187 Int_t idModule=Module(fIdCircuit); // corresponding module Id.
188 // and its number of strips
189 Int_t nStrX=AliMUONTriggerConstants::NstripX(ModuleNumber(idModule));
190 Int_t iPosCircuit=Position(fIdCircuit); // position of circuit in module
191 Int_t sign=TMath::Abs(idModule)/idModule; // left or right
194 for (istrip=(iPosCircuit-1)*16;
195 istrip<(iPosCircuit-1)*16+16; istrip++) {
197 fXcode[0][iStripCircMT1]=sign*(TMath::Abs(idModule)*100+istrip);
198 fXcode[1][iStripCircMT1]=sign*(TMath::Abs(idModule)*100+istrip);
199 fXcode[2][iStripCircMT2]=sign*(TMath::Abs(idModule)*100+istrip);
200 fXcode[3][iStripCircMT2]=sign*(TMath::Abs(idModule)*100+istrip);
206 // XMC21 XMC22 strips 0 to 7 and 24 to 31
207 Int_t idModuleD, idModuleU;
210 idModule=Module(fIdCircuit); // corresponding module Id.
211 // number of X strips
212 nStrX=AliMUONTriggerConstants::NstripX(ModuleNumber(idModule));
213 sign=TMath::Abs(idModule)/idModule;
215 // fill lower part (0 to 7)
216 if (iPosCircuit==1) { // need to scan lower module
217 if(idModule<91&&TMath::Abs(idModule)!=41&&idModule>-91) { // non-existing
218 idModuleD=sign*(TMath::Abs(idModule)+10); // lower module Id
219 // and its number of strips
220 nStrD=AliMUONTriggerConstants::NstripX(ModuleNumber(idModuleD));
223 for (istrip=nStrD-8; istrip<nStrD; istrip++) {
224 fXcode[2][iStripCircMT2]=sign*(TMath::Abs(idModuleD)*100+istrip);
225 fXcode[3][iStripCircMT2]=sign*(TMath::Abs(idModuleD)*100+istrip);
230 } else { // lower strips within same module
233 for (istrip=(iPosCircuit-1)*16-8;
234 istrip<(iPosCircuit-1)*16; istrip++) {
235 fXcode[2][iStripCircMT2]=sign*(TMath::Abs(idModule)*100+istrip);
236 fXcode[3][iStripCircMT2]=sign*(TMath::Abs(idModule)*100+istrip);
241 // fill upper part (24 to 31)
242 if ((iPosCircuit==1&&nStrX==16)||(iPosCircuit==2&&nStrX==32)||
243 (iPosCircuit==3&&nStrX==48)||(iPosCircuit==4&&nStrX==64)) {
244 if ((idModule>17||idModule<-17)&&TMath::Abs(idModule)!=61) {
245 idModuleU=sign*(TMath::Abs(idModule)-10); // upper module Id
246 // and its number of strips
247 nStrU=AliMUONTriggerConstants::NstripX(ModuleNumber(idModuleU));
250 for (istrip=0; istrip<8; istrip++) {
251 fXcode[2][iStripCircMT2]=sign*(TMath::Abs(idModuleU)*100+istrip);
252 fXcode[3][iStripCircMT2]=sign*(TMath::Abs(idModuleU)*100+istrip);
257 } else if ((iPosCircuit==1&&nStrX>16)||(iPosCircuit==2&&nStrX>32)||
258 (iPosCircuit==3&&nStrX>48)) { // upper strips within same mod.
261 for (istrip=(iPosCircuit-1)*16+16;
262 istrip<(iPosCircuit-1)*16+24; istrip++) {
263 fXcode[2][iStripCircMT2]=sign*(TMath::Abs(idModule)*100+istrip);
264 fXcode[3][iStripCircMT2]=sign*(TMath::Abs(idModule)*100+istrip);
270 //----------------------------------------------------------------------
271 void AliMUONTriggerCircuit::LoadYCode(){
272 // assign a Id. number to each Y strip of current circuit
273 // Id.=(corresponding module Id.)*100+(Id. strip of module)
274 // note : for Y plane fill only "central part" of circuit
275 // (upper and lower parts are filled in PreHandlingY of AliMUONTriggerDecision)
277 Int_t idModule=Module(fIdCircuit); // corresponding module Id.
278 // and its number of Y strips
279 Int_t nStrY=AliMUONTriggerConstants::NstripY(ModuleNumber(idModule));
280 Int_t sign=TMath::Abs(idModule)/idModule; // left or right
282 for (Int_t istrip=0; istrip<nStrY; istrip++) {
283 fYcode[0][istrip]=sign*(TMath::Abs(idModule)*100+istrip);
284 fYcode[1][istrip]=sign*(TMath::Abs(idModule)*100+istrip);
285 fYcode[2][istrip]=sign*(TMath::Abs(idModule)*100+istrip);
286 fYcode[3][istrip]=sign*(TMath::Abs(idModule)*100+istrip);
290 //----------------------------------------------------------------------
291 Float_t AliMUONTriggerCircuit::PtCal(Int_t istripX, Int_t idev, Int_t istripY){
292 // returns calculated pt for circuit/istripX/idev/istripY according
293 // to the formula of the TRD. Note : idev (input) is in [0+30]
295 // Int_t jdev = idev - 15; // jdev in [-15+15]
296 Int_t istripX2=istripX+idev+1; // find istripX2 using istripX and idev
298 Float_t yPosX1=fYpos11[istripX];
299 Float_t yPosX2=fYpos21[istripX2];
300 Float_t xPosY1=fXpos11[istripY];
303 Float_t z1=AliMUONConstants::DefaultChamberZ(10);
304 Float_t z2=AliMUONConstants::DefaultChamberZ(12);
305 Float_t thetaDev=(1./zf)*(yPosX1*z2-yPosX2*z1)/(z2-z1);
306 Float_t xf=xPosY1*zf/z1;
307 Float_t yf=yPosX2-((yPosX2-yPosX1)*(z2-zf))/(z2-z1);
308 return (3.*0.3/TMath::Abs(thetaDev)) * TMath::Sqrt(xf*xf+yf*yf)/zf;
310 //---------------------------------------------------------------------
311 //----------------------- New Segmentation ----------------------------
312 //---------------------------------------------------------------------
314 //---------------------------------------------------------------------
315 void AliMUONTriggerCircuit::LoadYPos2(){
316 // fill fYpos11 and fYpos21 -> y position of X declusterized strips
318 Int_t chamber, cathode;
319 Int_t code, idModule, idStrip, idSector;
320 Float_t x, y, z, width;
323 AliMUON *pMUON = (AliMUON*)gAlice->GetModule("MUON");
324 AliMUONChamber* iChamber;
325 AliMUONGeometrySegmentation* segmentation;
330 iChamber = &(pMUON->Chamber(chamber-1));
331 segmentation=iChamber->SegmentationModel2(cathode);
334 AliWarning("Segmentation not defined.");
338 for (istrip=0; istrip<16; istrip++) {
339 code=fXcode[0][istrip]; // decode current strip
340 idModule=Int_t(code/100); // corresponding module Id.
341 idDE = DetElemId(chamber, idModule);
342 idStrip=TMath::Abs(code-idModule*100); // corresp. strip number in module
343 idSector=segmentation->Sector(idDE, idModule, idStrip); // corresponding sector
344 width=segmentation->Dpy(idDE, idSector); // corresponding strip width
345 segmentation->GetPadC(idDE, idModule,idStrip,x,y,z); // get strip real position
348 if (istrip!=15) fYpos11[2*istrip+1]=y+width/2.;
354 iChamber = &(pMUON->Chamber(chamber-1));
355 segmentation=iChamber->SegmentationModel2(cathode);
357 for (istrip=0; istrip<32; istrip++) {
358 code=fXcode[2][istrip]; // decode current strip
359 idModule=Int_t(code/100); // corresponding module Id.
360 idDE = DetElemId(chamber, idModule);
361 if (idModule == 0) continue;
362 idStrip=TMath::Abs(code-idModule*100); // corresp. strip number in module
363 idSector=segmentation->Sector(idDE, idModule, idStrip); // corresponding sector
364 width=segmentation->Dpy(idDE, idSector); // corresponding strip width
365 segmentation->GetPadC(idDE, idModule,idStrip,x,y,z); // get strip real position
367 // using idModule!=0 prevents to fill garbage in case of circuits
368 // in the first and last rows
371 if (istrip!=31) fYpos21[2*istrip+1]=y+width/2.;
376 //----------------------------------------------------------------------
377 void AliMUONTriggerCircuit::LoadXPos2(){
378 // fill fXpos11 -> x position of Y strips for the first plane only
379 // fXpos11 contains the x position of Y strip for the current circuit
380 // taking into account whether or nor not part(s) of the circuit
381 // (middle, up or down) has(have) 16 strips
388 AliMUON *pMUON = (AliMUON*)gAlice->GetModule("MUON");
389 AliMUONChamber* iChamber;
390 AliMUONGeometrySegmentation* segmentation;
391 iChamber = &(pMUON->Chamber(chamber-1));
392 segmentation=iChamber->SegmentationModel2(cathode);
395 AliWarning("Segmentation not defined.");
399 Int_t idModule=Module(fIdCircuit); // corresponding module Id.
400 // number of Y strips
401 idDE = DetElemId(chamber, idModule);
402 Int_t nStrY=AliMUONTriggerConstants::NstripY(ModuleNumber(idModule));
403 Int_t idSector=segmentation->Sector(idDE, idModule,0); // corresp. sector
404 Float_t width=segmentation->Dpx(idDE, idSector); // corresponding strip width
406 // first case : up middle and down parts have all 8 or 16 strip
407 if ((nStrY==16)||(nStrY==8&&fX2m==0&&fX2ud==0)) {
408 for (istrip=0; istrip<nStrY; istrip++) {
409 segmentation->GetPadC(idDE, idModule,istrip,x,y,z);
412 // second case : mixing 8 and 16 strips within same circuit
414 for (istrip=0; istrip<nStrY; istrip++) {
415 if (nStrY!=8) { printf(" bug in LoadXpos \n");}
416 segmentation->GetPadC(idDE, idModule, istrip, x, y, z);
417 fXpos11[2*istrip]=x-width/4.;
418 fXpos11[2*istrip+1]=fXpos11[2*istrip]+width/2.;
423 //----------------------------------------------------------------------
424 //--- methods which return member data related info
425 //----------------------------------------------------------------------
426 Int_t AliMUONTriggerCircuit::GetIdCircuit() const {
427 // returns circuit Id
430 //----------------------------------------------------------------------
431 Int_t AliMUONTriggerCircuit::GetIdModule() const {
433 return Module(fIdCircuit);
435 //----------------------------------------------------------------------
436 Int_t AliMUONTriggerCircuit::GetNstripX() const {
437 // returns the number of X strips in the module where the circuit is sitting
438 return AliMUONTriggerConstants::NstripX(ModuleNumber(Module(fIdCircuit)));
440 //----------------------------------------------------------------------
441 Int_t AliMUONTriggerCircuit::GetNstripY() const {
442 // returns the number of Y strips in the module where the circuit is sitting
443 return AliMUONTriggerConstants::NstripY(ModuleNumber(Module(fIdCircuit)));
445 //----------------------------------------------------------------------
446 Int_t AliMUONTriggerCircuit::GetPosCircuit() const {
447 // returns the position of the circuit in its module
448 return Position(fIdCircuit);
450 //----------------------------------------------------------------------
451 Int_t AliMUONTriggerCircuit::GetIdCircuitD() const {
452 // returns the Id of the circuit down
453 Int_t idModule=Module(fIdCircuit);
454 Int_t idModuleD=(TMath::Abs(idModule)+10)*(TMath::Abs(idModule)/idModule);
455 return (TMath::Abs(idModuleD)*10+1)*(TMath::Abs(idModule)/idModule);
457 //----------------------------------------------------------------------
458 Int_t AliMUONTriggerCircuit::GetICircuitD() const {
459 // returns the number of the circuit down
460 Int_t idModule=Module(fIdCircuit);
461 Int_t idModuleD=(TMath::Abs(idModule)+10)*(TMath::Abs(idModule)/idModule);
463 (TMath::Abs(idModuleD)*10+1)*(TMath::Abs(idModule)/idModule);
464 return CircuitNumber(idCircuitD);
466 //----------------------------------------------------------------------
467 Int_t AliMUONTriggerCircuit::GetIdCircuitU() const {
468 // returns the Id of the circuit up
469 Int_t idModule=Module(fIdCircuit);
470 Int_t idModuleU=(TMath::Abs(idModule)-10)*(TMath::Abs(idModule)/idModule);
471 return (TMath::Abs(idModuleU)*10+1)*(TMath::Abs(idModule)/idModule);
473 //----------------------------------------------------------------------
474 Int_t AliMUONTriggerCircuit::GetICircuitU() const {
475 // returns the number of the circuit up
476 Int_t idModule=Module(fIdCircuit);
477 Int_t idModuleU=(TMath::Abs(idModule)-10)*(TMath::Abs(idModule)/idModule);
479 (TMath::Abs(idModuleU)*10+1)*(TMath::Abs(idModule)/idModule);
480 return CircuitNumber(idCircuitU);
482 //----------------------------------------------------------------------
483 Int_t AliMUONTriggerCircuit::GetX2m() const {
487 //----------------------------------------------------------------------
488 Int_t AliMUONTriggerCircuit::GetX2ud() const {
492 //----------------------------------------------------------------------
493 void AliMUONTriggerCircuit::GetOrMud(Int_t orMud[2]) const {
498 //----------------------------------------------------------------------
499 Int_t AliMUONTriggerCircuit::GetXcode(Int_t chamber, Int_t istrip) const {
500 // returns X code of circuit/chamber/istrip (warning : chamber in [0,3])
501 return fXcode[chamber][istrip];
503 //----------------------------------------------------------------------
504 Int_t AliMUONTriggerCircuit::GetYcode(Int_t chamber, Int_t istrip) const {
505 // returns Y code of circuit/chamber/istrip (warning : chamber in [0,3])
506 return fYcode[chamber][istrip];
508 //----------------------------------------------------------------------
509 Float_t AliMUONTriggerCircuit::GetY11Pos(Int_t istrip) const {
510 // returns Y position of X strip istrip in MC11
511 return fYpos11[istrip];
513 //----------------------------------------------------------------------
514 Float_t AliMUONTriggerCircuit::GetY21Pos(Int_t istrip) const {
515 // returns Y position of X strip istrip in MC21
516 return fYpos21[istrip];
518 //----------------------------------------------------------------------
519 Float_t AliMUONTriggerCircuit::GetX11Pos(Int_t istrip) const {
520 // returns X position of Y strip istrip in MC11
521 return fXpos11[istrip];
523 //----------------------------------------------------------------------
524 //--- end of methods which return member data related info
525 //----------------------------------------------------------------------
528 Int_t AliMUONTriggerCircuit::DetElemId(Int_t ichamber, Int_t idModule)
530 // returns the detection element Id for given chamber and module
531 // ichamber (from 11 to 14), idModule (from 11 to 97)
532 Int_t itmp = (idModule > 0) ? 0 : 50; // right=0, left=50
533 return (ichamber*100)+itmp+(9-Int_t(TMath::Abs(idModule)/10));