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 **************************************************************************/
17 Revision 1.3 2000/06/26 10:04:49 pcrochet
18 problem with HP compiler solved (PH), static variables removed : now defined in AliMUONTriggerConstants
24 #include "AliMUONPoints.h"
25 #include "AliMUONTriggerCircuit.h"
26 #include "AliMUONTriggerConstants.h"
27 #include "AliMUONSegmentation.h"
28 #include "AliMUONResponse.h"
29 #include "AliMUONChamber.h"
33 ClassImp(AliMUONTriggerCircuit)
35 //----------------------------------------------------------------------
36 AliMUONTriggerCircuit::AliMUONTriggerCircuit()
42 fOrMud[0]=fOrMud[1]=0;
45 for (Int_t j=0; j<32; j++) {
50 for (i=0; i<16; i++) { fXpos11[i]=0.; }
51 for (i=0; i<31; i++) { fYpos11[i]=0.; }
52 for (i=0; i<63; i++) { fYpos21[i]=0.; }
55 //----------------------------------------------------------------------
56 AliMUONTriggerCircuit::AliMUONTriggerCircuit(const AliMUONTriggerCircuit& MUONTriggerCircuit)
58 // Dummy copy constructor
61 //----------------------------------------------------------------------
62 AliMUONTriggerCircuit & AliMUONTriggerCircuit::operator=(const AliMUONTriggerCircuit& MUONTriggerCircuit)
64 // Dummy assignment operator
68 //----------------------------------------------------------------------
69 void AliMUONTriggerCircuit::Init(Int_t iCircuit) {
70 // initialize circuit characteristics
71 fidCircuit=AliMUONTriggerConstants::CircuitId(iCircuit);
79 //----------------------------------------------------------------------
80 Int_t AliMUONTriggerCircuit::CircuitNumber(Int_t idCircuit){
81 // returns circuit number iCircuit (0-234) corresponding to circuit idCircuit
83 for (Int_t i=0; i<234; i++) {
84 if (AliMUONTriggerConstants::CircuitId(i)==idCircuit) {
91 //----------------------------------------------------------------------
92 Int_t AliMUONTriggerCircuit::ModuleNumber(Int_t idModule){
93 // returns module number imod (from 0 to 63) corresponding to module idmodule
94 Int_t absidModule=TMath::Abs(idModule);
96 for (Int_t i=0; i<63; i++) {
97 if (AliMUONTriggerConstants::ModuleId(i)==absidModule) {
105 //----------------------------------------------------------------------
106 Int_t AliMUONTriggerCircuit::Module(Int_t idCircuit) {
107 // returns ModuleId where Circuit idCircuit is sitting
108 return Int_t(idCircuit/10);
110 //----------------------------------------------------------------------
111 Int_t AliMUONTriggerCircuit::Position(Int_t idCircuit) {
112 // returns position of idCircuit in correcponding Module
113 return TMath::Abs(idCircuit)-TMath::Abs(Module(idCircuit))*10;
116 //----------------------------------------------------------------------
117 void AliMUONTriggerCircuit::LoadX2() {
118 // initialize fx2m, fx2ud and fOrMud
120 Int_t idModule=Module(fidCircuit); // corresponding module Id.
121 // and its number of X strips
122 Int_t nStrX=AliMUONTriggerConstants::NstripX(ModuleNumber(idModule));
123 // and its number of Y strips
124 Int_t nStrY=AliMUONTriggerConstants::NstripY(ModuleNumber(idModule));
125 Int_t iPosCircuit=Position(fidCircuit); // position of circuit in module
127 // first step : look at lower part
128 if (iPosCircuit==1) { // need to scan lower module
129 if(idModule<91&&TMath::Abs(idModule)!=41&&idModule>-91) {
131 Int_t idModuleD=(TMath::Abs(idModule)+10)*(TMath::Abs(idModule)/idModule);
132 Int_t nStrD=AliMUONTriggerConstants::NstripY(ModuleNumber(idModuleD));
135 &&TMath::Abs(idModule)!=42&&TMath::Abs(idModule)!=52) {
136 if (nStrY==8) fx2m=1;
137 if (nStrD==8) fx2ud=1;
141 } else { // lower strips within same module
145 // second step : look at upper part
146 if ((iPosCircuit==1&&nStrX==16)||(iPosCircuit==2&&nStrX==32)||
147 (iPosCircuit==3&&nStrX==48)||(iPosCircuit==4&&nStrX==64)) {
148 if ((idModule>17||idModule<-17)&&TMath::Abs(idModule)!=61) {
150 Int_t idModuleU=(TMath::Abs(idModule)-10)*(TMath::Abs(idModule)/idModule);
151 Int_t nStrU=AliMUONTriggerConstants::NstripY(ModuleNumber(idModuleU));
154 &&TMath::Abs(idModule)!=62&&TMath::Abs(idModule)!=52) {
155 if (nStrY==8) fx2m=1;
156 if (nStrU==8) fx2ud=1;
160 } else { // upper strips within same module
165 //----------------------------------------------------------------------
166 void AliMUONTriggerCircuit::LoadXCode(){
167 // assign a Id. number to each X strip of current circuit
168 // Id.=(corresponding module Id.)*100+(Id. strip of module)
170 // first part : fill XMC11 XMC12 and strips 8 to 24 (middle) XMC21 XMC22
171 Int_t iStripCircMT1=0, iStripCircMT2=8;
172 Int_t idModule=Module(fidCircuit); // corresponding module Id.
173 // and its number of strips
174 Int_t nStrX=AliMUONTriggerConstants::NstripX(ModuleNumber(idModule));
175 Int_t iPosCircuit=Position(fidCircuit); // position of circuit in module
176 Int_t sign=TMath::Abs(idModule)/idModule; // left or right
179 for (istrip=(iPosCircuit-1)*16;
180 istrip<(iPosCircuit-1)*16+16; istrip++) {
182 fXcode[0][iStripCircMT1]=sign*(TMath::Abs(idModule)*100+istrip);
183 fXcode[1][iStripCircMT1]=sign*(TMath::Abs(idModule)*100+istrip);
184 fXcode[2][iStripCircMT2]=sign*(TMath::Abs(idModule)*100+istrip);
185 fXcode[3][iStripCircMT2]=sign*(TMath::Abs(idModule)*100+istrip);
191 // XMC21 XMC22 strips 0 to 7 and 24 to 31
192 Int_t idModuleD, idModuleU;
195 idModule=Module(fidCircuit); // corresponding module Id.
196 // number of X strips
197 nStrX=AliMUONTriggerConstants::NstripX(ModuleNumber(idModule));
198 sign=TMath::Abs(idModule)/idModule;
200 // fill lower part (0 to 7)
201 if (iPosCircuit==1) { // need to scan lower module
202 if(idModule<91&&TMath::Abs(idModule)!=41&&idModule>-91) { // non-existing
203 idModuleD=sign*(TMath::Abs(idModule)+10); // lower module Id
204 // and its number of strips
205 nStrD=AliMUONTriggerConstants::NstripX(ModuleNumber(idModuleD));
208 for (istrip=nStrD-8; istrip<nStrD; istrip++) {
209 fXcode[2][iStripCircMT2]=sign*(TMath::Abs(idModuleD)*100+istrip);
210 fXcode[3][iStripCircMT2]=sign*(TMath::Abs(idModuleD)*100+istrip);
215 } else { // lower strips within same module
218 for (istrip=(iPosCircuit-1)*16-8;
219 istrip<(iPosCircuit-1)*16; istrip++) {
220 fXcode[2][iStripCircMT2]=sign*(TMath::Abs(idModule)*100+istrip);
221 fXcode[3][iStripCircMT2]=sign*(TMath::Abs(idModule)*100+istrip);
226 // fill upper part (24 to 31)
227 if ((iPosCircuit==1&&nStrX==16)||(iPosCircuit==2&&nStrX==32)||
228 (iPosCircuit==3&&nStrX==48)||(iPosCircuit==4&&nStrX==64)) {
229 if ((idModule>17||idModule<-17)&&TMath::Abs(idModule)!=61) {
230 idModuleU=sign*(TMath::Abs(idModule)-10); // upper module Id
231 // and its number of strips
232 nStrU=AliMUONTriggerConstants::NstripX(ModuleNumber(idModuleU));
235 for (istrip=0; istrip<8; istrip++) {
236 fXcode[2][iStripCircMT2]=sign*(TMath::Abs(idModuleU)*100+istrip);
237 fXcode[3][iStripCircMT2]=sign*(TMath::Abs(idModuleU)*100+istrip);
242 } else if ((iPosCircuit==1&&nStrX>16)||(iPosCircuit==2&&nStrX>32)||
243 (iPosCircuit==3&&nStrX>48)) { // upper strips within same mod.
246 for (istrip=(iPosCircuit-1)*16+16;
247 istrip<(iPosCircuit-1)*16+24; istrip++) {
248 fXcode[2][iStripCircMT2]=sign*(TMath::Abs(idModule)*100+istrip);
249 fXcode[3][iStripCircMT2]=sign*(TMath::Abs(idModule)*100+istrip);
255 //----------------------------------------------------------------------
256 void AliMUONTriggerCircuit::LoadYCode(){
257 // assign a Id. number to each Y strip of current circuit
258 // Id.=(corresponding module Id.)*100+(Id. strip of module)
259 // note : for Y plane fill only "central part" of circuit
260 // (upper and lower parts are filled in PreHandlingY of AliMUONTriggerDecision)
262 Int_t idModule=Module(fidCircuit); // corresponding module Id.
263 // and its number of Y strips
264 Int_t nStrY=AliMUONTriggerConstants::NstripY(ModuleNumber(idModule));
265 Int_t sign=TMath::Abs(idModule)/idModule; // left or right
267 for (Int_t istrip=0; istrip<nStrY; istrip++) {
268 fYcode[0][istrip]=sign*(TMath::Abs(idModule)*100+istrip);
269 fYcode[1][istrip]=sign*(TMath::Abs(idModule)*100+istrip);
270 fYcode[2][istrip]=sign*(TMath::Abs(idModule)*100+istrip);
271 fYcode[3][istrip]=sign*(TMath::Abs(idModule)*100+istrip);
275 //----------------------------------------------------------------------
276 void AliMUONTriggerCircuit::LoadYPos(){
277 // fill fYpos11 and fYpos21 -> y position of X declusterized strips
279 Int_t chamber, cathode;
280 Int_t code, idModule, idStrip, idSector;
281 Float_t x, y, z, width;
284 AliMUON *pMUON = (AliMUON*)gAlice->GetModule("MUON");
285 AliMUONChamber* iChamber;
286 AliMUONSegmentation* segmentation;
291 iChamber = &(pMUON->Chamber(chamber-1));
292 segmentation=iChamber->SegmentationModel(cathode);
294 for (istrip=0; istrip<16; istrip++) {
295 code=fXcode[0][istrip]; // decode current strip
296 idModule=Int_t(code/100); // corresponding module Id.
297 idStrip=TMath::Abs(code-idModule*100); // corresp. strip number in module
298 idSector=segmentation->Sector(idModule,idStrip); // corresponding sector
299 width=segmentation->Dpy(idSector); // corresponding strip width
300 segmentation->GetPadCxy(idModule,idStrip,x,y,z); // get strip real position
303 if (istrip!=15) fYpos11[2*istrip+1]=y+width/2.;
309 iChamber = &(pMUON->Chamber(chamber-1));
310 segmentation=iChamber->SegmentationModel(cathode);
312 for (istrip=0; istrip<32; istrip++) {
313 code=fXcode[2][istrip]; // decode current strip
314 idModule=Int_t(code/100); // corresponding module Id.
315 idStrip=TMath::Abs(code-idModule*100); // corresp. strip number in module
316 idSector=segmentation->Sector(idModule,idStrip); // corresponding sector
317 width=segmentation->Dpy(idSector); // corresponding strip width
318 segmentation->GetPadCxy(idModule,idStrip,x,y,z); // get strip real position
320 // using idModule!=0 prevents to fill garbage in case of circuits
321 // in the first and last rows
324 if (istrip!=31) fYpos21[2*istrip+1]=y+width/2.;
329 //----------------------------------------------------------------------
330 void AliMUONTriggerCircuit::LoadXPos(){
331 // fill fXpos11 -> x position of Y strips for the first plane only
332 // fXpos11 contains the x position of Y strip for the current circuit
333 // taking into account whether or nor not part(s) of the circuit
334 // (middle, up or down) has(have) 16 strips
341 AliMUON *pMUON = (AliMUON*)gAlice->GetModule("MUON");
342 AliMUONChamber* iChamber;
343 AliMUONSegmentation* segmentation;
344 iChamber = &(pMUON->Chamber(chamber-1));
345 segmentation=iChamber->SegmentationModel(cathode);
347 Int_t idModule=Module(fidCircuit); // corresponding module Id.
348 // number of Y strips
349 Int_t nStrY=AliMUONTriggerConstants::NstripY(ModuleNumber(idModule));
350 Int_t idSector=segmentation->Sector(idModule,0); // corresp. sector
351 Float_t width=segmentation->Dpx(idSector); // corresponding strip width
353 // first case : up middle and down parts have all 8 or 16 strip
354 if ((nStrY==16)||(nStrY==8&&fx2m==0&&fx2ud==0)) {
355 for (istrip=0; istrip<nStrY; istrip++) {
356 segmentation->GetPadCxy(idModule,istrip,x,y,z);
359 // second case : mixing 8 and 16 strips within same circuit
361 for (istrip=0; istrip<nStrY; istrip++) {
362 if (nStrY!=8) { cout << " bug in LoadXpos " << "\n";}
363 segmentation->GetPadCxy(idModule,istrip,x,y,z);
364 fXpos11[2*istrip]=x-width/4.;
365 fXpos11[2*istrip+1]=fXpos11[2*istrip]+width/2.;
370 //----------------------------------------------------------------------
371 Float_t AliMUONTriggerCircuit::PtCal(Int_t istripX, Int_t idev, Int_t istripY){
372 // returns calculated pt for circuit/istripX/idev/istripY according
373 // to the formula of the TRD. Note : idev (input) is in [0+30]
375 // Int_t jdev = idev - 15; // jdev in [-15+15]
376 Int_t istripX2=istripX+idev+1; // find istripX2 using istripX and idev
378 Float_t yPosX1=fYpos11[istripX];
379 Float_t yPosX2=fYpos21[istripX2];
380 Float_t xPosY1=fXpos11[istripY];
382 Float_t zf=975., z1=1603.5, z2=1703.5;
383 Float_t thetaDev=(1./zf)*(yPosX1*z2-yPosX2*z1)/(z2-z1);
384 Float_t xf=xPosY1*zf/z1;
385 Float_t yf=yPosX2-((yPosX2-yPosX1)*(z2-zf))/(z2-z1);
386 return (3.*0.3/TMath::Abs(thetaDev)) * TMath::Sqrt(xf*xf+yf*yf)/zf;
389 //----------------------------------------------------------------------
390 //--- methods which return member data related info
391 //----------------------------------------------------------------------
392 Int_t AliMUONTriggerCircuit::GetIdCircuit(){
393 // returns circuit Id
396 //----------------------------------------------------------------------
397 Int_t AliMUONTriggerCircuit::GetIdModule(){
399 return Module(fidCircuit);
401 //----------------------------------------------------------------------
402 Int_t AliMUONTriggerCircuit::GetNstripX() {
403 // returns the number of X strips in the module where the circuit is sitting
404 return AliMUONTriggerConstants::NstripX(ModuleNumber(Module(fidCircuit)));
406 //----------------------------------------------------------------------
407 Int_t AliMUONTriggerCircuit::GetNstripY() {
408 // returns the number of Y strips in the module where the circuit is sitting
409 return AliMUONTriggerConstants::NstripY(ModuleNumber(Module(fidCircuit)));
411 //----------------------------------------------------------------------
412 Int_t AliMUONTriggerCircuit::GetPosCircuit() {
413 // returns the position of the circuit in its module
414 return Position(fidCircuit);
416 //----------------------------------------------------------------------
417 Int_t AliMUONTriggerCircuit::GetIdCircuitD(){
418 // returns the Id of the circuit down
419 Int_t idModule=Module(fidCircuit);
420 Int_t idModuleD=(TMath::Abs(idModule)+10)*(TMath::Abs(idModule)/idModule);
421 return (TMath::Abs(idModuleD)*10+1)*(TMath::Abs(idModule)/idModule);
423 //----------------------------------------------------------------------
424 Int_t AliMUONTriggerCircuit::GetICircuitD(){
425 // returns the number of the circuit down
426 Int_t idModule=Module(fidCircuit);
427 Int_t idModuleD=(TMath::Abs(idModule)+10)*(TMath::Abs(idModule)/idModule);
429 (TMath::Abs(idModuleD)*10+1)*(TMath::Abs(idModule)/idModule);
430 return CircuitNumber(idCircuitD);
432 //----------------------------------------------------------------------
433 Int_t AliMUONTriggerCircuit::GetIdCircuitU(){
434 // returns the Id of the circuit up
435 Int_t idModule=Module(fidCircuit);
436 Int_t idModuleU=(TMath::Abs(idModule)-10)*(TMath::Abs(idModule)/idModule);
437 return (TMath::Abs(idModuleU)*10+1)*(TMath::Abs(idModule)/idModule);
439 //----------------------------------------------------------------------
440 Int_t AliMUONTriggerCircuit::GetICircuitU(){
441 // returns the number of the circuit up
442 Int_t idModule=Module(fidCircuit);
443 Int_t idModuleU=(TMath::Abs(idModule)-10)*(TMath::Abs(idModule)/idModule);
445 (TMath::Abs(idModuleU)*10+1)*(TMath::Abs(idModule)/idModule);
446 return CircuitNumber(idCircuitU);
448 //----------------------------------------------------------------------
449 Int_t AliMUONTriggerCircuit::GetX2m(){
453 //----------------------------------------------------------------------
454 Int_t AliMUONTriggerCircuit::GetX2ud(){
458 //----------------------------------------------------------------------
459 void AliMUONTriggerCircuit::GetOrMud(Int_t orMud[2]){
464 //----------------------------------------------------------------------
465 Int_t AliMUONTriggerCircuit::GetXcode(Int_t chamber, Int_t istrip){
466 // returns X code of circuit/chamber/istrip (warning : chamber in [0,3])
467 return fXcode[chamber][istrip];
469 //----------------------------------------------------------------------
470 Int_t AliMUONTriggerCircuit::GetYcode(Int_t chamber, Int_t istrip){
471 // returns Y code of circuit/chamber/istrip (warning : chamber in [0,3])
472 return fYcode[chamber][istrip];
474 //----------------------------------------------------------------------
475 Float_t AliMUONTriggerCircuit::GetY11Pos(Int_t istrip){
476 // returns Y position of X strip istrip in MC11
477 return fYpos11[istrip];
479 //----------------------------------------------------------------------
480 Float_t AliMUONTriggerCircuit::GetY21Pos(Int_t istrip){
481 // returns Y position of X strip istrip in MC21
482 return fYpos21[istrip];
484 //----------------------------------------------------------------------
485 Float_t AliMUONTriggerCircuit::GetX11Pos(Int_t istrip){
486 // returns X position of Y strip istrip in MC11
487 return fXpos11[istrip];
489 //----------------------------------------------------------------------
490 //--- end of methods which return member data related info
491 //----------------------------------------------------------------------