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()
40 fOrMud[0]=fOrMud[1]=0;
43 for (Int_t j=0; j<32; j++) {
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.; }
53 //----------------------------------------------------------------------
54 AliMUONTriggerCircuit::AliMUONTriggerCircuit(const AliMUONTriggerCircuit& theMUONTriggerCircuit)
55 : TObject(theMUONTriggerCircuit)
57 // Protected copy constructor
59 AliFatal("Not implemented.");
62 //----------------------------------------------------------------------
63 AliMUONTriggerCircuit &
64 AliMUONTriggerCircuit::operator=(const AliMUONTriggerCircuit& rhs)
66 // Protected assignement operator
68 if (this == &rhs) return *this;
70 AliFatal("Not implemented.");
75 //----------------------------------------------------------------------
76 void AliMUONTriggerCircuit::Init(Int_t iCircuit) {
77 // initialize circuit characteristics
78 fIdCircuit=AliMUONTriggerConstants::CircuitId(iCircuit);
89 //----------------------------------------------------------------------
90 Int_t AliMUONTriggerCircuit::CircuitNumber(Int_t idCircuit) const {
91 // returns circuit number iCircuit (0-234) corresponding to circuit idCircuit
93 for (Int_t i=0; i<234; i++) {
94 if (AliMUONTriggerConstants::CircuitId(i)==idCircuit) {
101 //----------------------------------------------------------------------
102 Int_t AliMUONTriggerCircuit::ModuleNumber(Int_t idModule) const {
103 // returns module number imod (from 0 to 63) corresponding to module idmodule
104 Int_t absidModule=TMath::Abs(idModule);
106 for (Int_t i=0; i<63; i++) {
107 if (AliMUONTriggerConstants::ModuleId(i)==absidModule) {
115 //----------------------------------------------------------------------
116 Int_t AliMUONTriggerCircuit::Module(Int_t idCircuit) const {
117 // returns ModuleId where Circuit idCircuit is sitting
118 return Int_t(idCircuit/10);
120 //----------------------------------------------------------------------
121 Int_t AliMUONTriggerCircuit::Position(Int_t idCircuit) const {
122 // returns position of idCircuit in correcponding Module
123 return TMath::Abs(idCircuit)-TMath::Abs(Module(idCircuit))*10;
126 //----------------------------------------------------------------------
127 void AliMUONTriggerCircuit::LoadX2() {
128 // initialize fX2m, fX2ud and fOrMud
130 Int_t idModule=Module(fIdCircuit); // corresponding module Id.
131 // and its number of X strips
132 Int_t nStrX=AliMUONTriggerConstants::NstripX(ModuleNumber(idModule));
133 // and its number of Y strips
134 Int_t nStrY=AliMUONTriggerConstants::NstripY(ModuleNumber(idModule));
135 Int_t iPosCircuit=Position(fIdCircuit); // position of circuit in module
137 // first step : look at lower part
138 if (iPosCircuit==1) { // need to scan lower module
139 if(idModule<91&&TMath::Abs(idModule)!=41&&idModule>-91) {
141 Int_t idModuleD=(TMath::Abs(idModule)+10)*(TMath::Abs(idModule)/idModule);
142 Int_t nStrD=AliMUONTriggerConstants::NstripY(ModuleNumber(idModuleD));
145 &&TMath::Abs(idModule)!=42&&TMath::Abs(idModule)!=52) {
146 if (nStrY==8) fX2m=1;
147 if (nStrD==8) fX2ud=1;
151 } else { // lower strips within same module
155 // second step : look at upper part
156 if ((iPosCircuit==1&&nStrX==16)||(iPosCircuit==2&&nStrX==32)||
157 (iPosCircuit==3&&nStrX==48)||(iPosCircuit==4&&nStrX==64)) {
158 if ((idModule>17||idModule<-17)&&TMath::Abs(idModule)!=61) {
160 Int_t idModuleU=(TMath::Abs(idModule)-10)*(TMath::Abs(idModule)/idModule);
161 Int_t nStrU=AliMUONTriggerConstants::NstripY(ModuleNumber(idModuleU));
164 &&TMath::Abs(idModule)!=62&&TMath::Abs(idModule)!=52) {
165 if (nStrY==8) fX2m=1;
166 if (nStrU==8) fX2ud=1;
170 } else { // upper strips within same module
175 //----------------------------------------------------------------------
176 void AliMUONTriggerCircuit::LoadXCode(){
177 // assign a Id. number to each X strip of current circuit
178 // Id.=(corresponding module Id.)*100+(Id. strip of module)
180 // first part : fill XMC11 XMC12 and strips 8 to 24 (middle) XMC21 XMC22
181 Int_t iStripCircMT1=0, iStripCircMT2=8;
182 Int_t idModule=Module(fIdCircuit); // corresponding module Id.
183 // and its number of strips
184 Int_t nStrX=AliMUONTriggerConstants::NstripX(ModuleNumber(idModule));
185 Int_t iPosCircuit=Position(fIdCircuit); // position of circuit in module
186 Int_t sign=TMath::Abs(idModule)/idModule; // left or right
189 for (istrip=(iPosCircuit-1)*16;
190 istrip<(iPosCircuit-1)*16+16; istrip++) {
192 fXcode[0][iStripCircMT1]=sign*(TMath::Abs(idModule)*100+istrip);
193 fXcode[1][iStripCircMT1]=sign*(TMath::Abs(idModule)*100+istrip);
194 fXcode[2][iStripCircMT2]=sign*(TMath::Abs(idModule)*100+istrip);
195 fXcode[3][iStripCircMT2]=sign*(TMath::Abs(idModule)*100+istrip);
201 // XMC21 XMC22 strips 0 to 7 and 24 to 31
202 Int_t idModuleD, idModuleU;
205 idModule=Module(fIdCircuit); // corresponding module Id.
206 // number of X strips
207 nStrX=AliMUONTriggerConstants::NstripX(ModuleNumber(idModule));
208 sign=TMath::Abs(idModule)/idModule;
210 // fill lower part (0 to 7)
211 if (iPosCircuit==1) { // need to scan lower module
212 if(idModule<91&&TMath::Abs(idModule)!=41&&idModule>-91) { // non-existing
213 idModuleD=sign*(TMath::Abs(idModule)+10); // lower module Id
214 // and its number of strips
215 nStrD=AliMUONTriggerConstants::NstripX(ModuleNumber(idModuleD));
218 for (istrip=nStrD-8; istrip<nStrD; istrip++) {
219 fXcode[2][iStripCircMT2]=sign*(TMath::Abs(idModuleD)*100+istrip);
220 fXcode[3][iStripCircMT2]=sign*(TMath::Abs(idModuleD)*100+istrip);
225 } else { // lower strips within same module
228 for (istrip=(iPosCircuit-1)*16-8;
229 istrip<(iPosCircuit-1)*16; istrip++) {
230 fXcode[2][iStripCircMT2]=sign*(TMath::Abs(idModule)*100+istrip);
231 fXcode[3][iStripCircMT2]=sign*(TMath::Abs(idModule)*100+istrip);
236 // fill upper part (24 to 31)
237 if ((iPosCircuit==1&&nStrX==16)||(iPosCircuit==2&&nStrX==32)||
238 (iPosCircuit==3&&nStrX==48)||(iPosCircuit==4&&nStrX==64)) {
239 if ((idModule>17||idModule<-17)&&TMath::Abs(idModule)!=61) {
240 idModuleU=sign*(TMath::Abs(idModule)-10); // upper module Id
241 // and its number of strips
242 nStrU=AliMUONTriggerConstants::NstripX(ModuleNumber(idModuleU));
245 for (istrip=0; istrip<8; istrip++) {
246 fXcode[2][iStripCircMT2]=sign*(TMath::Abs(idModuleU)*100+istrip);
247 fXcode[3][iStripCircMT2]=sign*(TMath::Abs(idModuleU)*100+istrip);
252 } else if ((iPosCircuit==1&&nStrX>16)||(iPosCircuit==2&&nStrX>32)||
253 (iPosCircuit==3&&nStrX>48)) { // upper strips within same mod.
256 for (istrip=(iPosCircuit-1)*16+16;
257 istrip<(iPosCircuit-1)*16+24; istrip++) {
258 fXcode[2][iStripCircMT2]=sign*(TMath::Abs(idModule)*100+istrip);
259 fXcode[3][iStripCircMT2]=sign*(TMath::Abs(idModule)*100+istrip);
265 //----------------------------------------------------------------------
266 void AliMUONTriggerCircuit::LoadYCode(){
267 // assign a Id. number to each Y strip of current circuit
268 // Id.=(corresponding module Id.)*100+(Id. strip of module)
269 // note : for Y plane fill only "central part" of circuit
270 // (upper and lower parts are filled in PreHandlingY of AliMUONTriggerDecision)
272 Int_t idModule=Module(fIdCircuit); // corresponding module Id.
273 // and its number of Y strips
274 Int_t nStrY=AliMUONTriggerConstants::NstripY(ModuleNumber(idModule));
275 Int_t sign=TMath::Abs(idModule)/idModule; // left or right
277 for (Int_t istrip=0; istrip<nStrY; istrip++) {
278 fYcode[0][istrip]=sign*(TMath::Abs(idModule)*100+istrip);
279 fYcode[1][istrip]=sign*(TMath::Abs(idModule)*100+istrip);
280 fYcode[2][istrip]=sign*(TMath::Abs(idModule)*100+istrip);
281 fYcode[3][istrip]=sign*(TMath::Abs(idModule)*100+istrip);
285 //----------------------------------------------------------------------
286 Float_t AliMUONTriggerCircuit::PtCal(Int_t istripX, Int_t idev, Int_t istripY){
287 // returns calculated pt for circuit/istripX/idev/istripY according
288 // to the formula of the TRD. Note : idev (input) is in [0+30]
290 // Int_t jdev = idev - 15; // jdev in [-15+15]
291 Int_t istripX2=istripX+idev+1; // find istripX2 using istripX and idev
293 Float_t yPosX1=fYpos11[istripX];
294 Float_t yPosX2=fYpos21[istripX2];
295 Float_t xPosY1=fXpos11[istripY];
298 Float_t z1=AliMUONConstants::DefaultChamberZ(10);
299 Float_t z2=AliMUONConstants::DefaultChamberZ(12);
300 Float_t thetaDev=(1./zf)*(yPosX1*z2-yPosX2*z1)/(z2-z1);
301 Float_t xf=xPosY1*zf/z1;
302 Float_t yf=yPosX2-((yPosX2-yPosX1)*(z2-zf))/(z2-z1);
303 return (3.*0.3/TMath::Abs(thetaDev)) * TMath::Sqrt(xf*xf+yf*yf)/zf;
305 //---------------------------------------------------------------------
306 //----------------------- New Segmentation ----------------------------
307 //---------------------------------------------------------------------
309 //---------------------------------------------------------------------
310 void AliMUONTriggerCircuit::LoadYPos2(){
311 // fill fYpos11 and fYpos21 -> y position of X declusterized strips
313 Int_t chamber, cathode;
314 Int_t code, idModule, idStrip, idSector;
315 Float_t x, y, z, width;
318 AliMUON *pMUON = (AliMUON*)gAlice->GetModule("MUON");
319 AliMUONChamber* iChamber;
320 AliMUONGeometrySegmentation* segmentation;
325 iChamber = &(pMUON->Chamber(chamber-1));
326 segmentation=iChamber->SegmentationModel2(cathode);
329 AliWarning("Segmentation not defined.");
333 for (istrip=0; istrip<16; istrip++) {
334 code=fXcode[0][istrip]; // decode current strip
335 idModule=Int_t(code/100); // corresponding module Id.
336 idDE = DetElemId(chamber, idModule);
337 idStrip=TMath::Abs(code-idModule*100); // corresp. strip number in module
338 idSector=segmentation->Sector(idDE, idModule, idStrip); // corresponding sector
339 width=segmentation->Dpy(idDE, idSector); // corresponding strip width
340 segmentation->GetPadC(idDE, idModule,idStrip,x,y,z); // get strip real position
343 if (istrip!=15) fYpos11[2*istrip+1]=y+width/2.;
349 iChamber = &(pMUON->Chamber(chamber-1));
350 segmentation=iChamber->SegmentationModel2(cathode);
352 for (istrip=0; istrip<32; istrip++) {
353 code=fXcode[2][istrip]; // decode current strip
354 idModule=Int_t(code/100); // corresponding module Id.
355 idDE = DetElemId(chamber, idModule);
356 if (idModule == 0) continue;
357 idStrip=TMath::Abs(code-idModule*100); // corresp. strip number in module
358 idSector=segmentation->Sector(idDE, idModule, idStrip); // corresponding sector
359 width=segmentation->Dpy(idDE, idSector); // corresponding strip width
360 segmentation->GetPadC(idDE, idModule,idStrip,x,y,z); // get strip real position
362 // using idModule!=0 prevents to fill garbage in case of circuits
363 // in the first and last rows
366 if (istrip!=31) fYpos21[2*istrip+1]=y+width/2.;
371 //----------------------------------------------------------------------
372 void AliMUONTriggerCircuit::LoadXPos2(){
373 // fill fXpos11 -> x position of Y strips for the first plane only
374 // fXpos11 contains the x position of Y strip for the current circuit
375 // taking into account whether or nor not part(s) of the circuit
376 // (middle, up or down) has(have) 16 strips
383 AliMUON *pMUON = (AliMUON*)gAlice->GetModule("MUON");
384 AliMUONChamber* iChamber;
385 AliMUONGeometrySegmentation* segmentation;
386 iChamber = &(pMUON->Chamber(chamber-1));
387 segmentation=iChamber->SegmentationModel2(cathode);
390 AliWarning("Segmentation not defined.");
394 Int_t idModule=Module(fIdCircuit); // corresponding module Id.
395 // number of Y strips
396 idDE = DetElemId(chamber, idModule);
398 Int_t nStrY=AliMUONTriggerConstants::NstripY(ModuleNumber(idModule));
399 Int_t idSector=segmentation->Sector(idDE, idModule,0); // corresp. sector
400 Float_t width=segmentation->Dpx(idDE, idSector); // corresponding strip width
402 // first case : up middle and down parts have all 8 or 16 strip
403 if ((nStrY==16)||(nStrY==8&&fX2m==0&&fX2ud==0)) {
404 for (istrip=0; istrip<nStrY; istrip++) {
405 segmentation->GetPadC(idDE, idModule,istrip,x,y,z);
408 // second case : mixing 8 and 16 strips within same circuit
410 for (istrip=0; istrip<nStrY; istrip++) {
411 if (nStrY!=8) { printf(" bug in LoadXpos \n");}
412 segmentation->GetPadC(idDE, idModule, istrip, x, y, z);
413 fXpos11[2*istrip]=x-width/4.;
414 fXpos11[2*istrip+1]=fXpos11[2*istrip]+width/2.;
419 //----------------------------------------------------------------------
420 //--- methods which return member data related info
421 //----------------------------------------------------------------------
422 Int_t AliMUONTriggerCircuit::GetIdCircuit() const {
423 // returns circuit Id
426 //----------------------------------------------------------------------
427 Int_t AliMUONTriggerCircuit::GetIdModule() const {
429 return Module(fIdCircuit);
431 //----------------------------------------------------------------------
432 Int_t AliMUONTriggerCircuit::GetNstripX() const {
433 // returns the number of X strips in the module where the circuit is sitting
434 return AliMUONTriggerConstants::NstripX(ModuleNumber(Module(fIdCircuit)));
436 //----------------------------------------------------------------------
437 Int_t AliMUONTriggerCircuit::GetNstripY() const {
438 // returns the number of Y strips in the module where the circuit is sitting
439 return AliMUONTriggerConstants::NstripY(ModuleNumber(Module(fIdCircuit)));
441 //----------------------------------------------------------------------
442 Int_t AliMUONTriggerCircuit::GetPosCircuit() const {
443 // returns the position of the circuit in its module
444 return Position(fIdCircuit);
446 //----------------------------------------------------------------------
447 Int_t AliMUONTriggerCircuit::GetIdCircuitD() const {
448 // returns the Id of the circuit down
449 Int_t idModule=Module(fIdCircuit);
450 Int_t idModuleD=(TMath::Abs(idModule)+10)*(TMath::Abs(idModule)/idModule);
451 return (TMath::Abs(idModuleD)*10+1)*(TMath::Abs(idModule)/idModule);
453 //----------------------------------------------------------------------
454 Int_t AliMUONTriggerCircuit::GetICircuitD() const {
455 // returns the number of the circuit down
456 Int_t idModule=Module(fIdCircuit);
457 Int_t idModuleD=(TMath::Abs(idModule)+10)*(TMath::Abs(idModule)/idModule);
459 (TMath::Abs(idModuleD)*10+1)*(TMath::Abs(idModule)/idModule);
460 return CircuitNumber(idCircuitD);
462 //----------------------------------------------------------------------
463 Int_t AliMUONTriggerCircuit::GetIdCircuitU() const {
464 // returns the Id of the circuit up
465 Int_t idModule=Module(fIdCircuit);
466 Int_t idModuleU=(TMath::Abs(idModule)-10)*(TMath::Abs(idModule)/idModule);
467 return (TMath::Abs(idModuleU)*10+1)*(TMath::Abs(idModule)/idModule);
469 //----------------------------------------------------------------------
470 Int_t AliMUONTriggerCircuit::GetICircuitU() const {
471 // returns the number of the circuit up
472 Int_t idModule=Module(fIdCircuit);
473 Int_t idModuleU=(TMath::Abs(idModule)-10)*(TMath::Abs(idModule)/idModule);
475 (TMath::Abs(idModuleU)*10+1)*(TMath::Abs(idModule)/idModule);
476 return CircuitNumber(idCircuitU);
478 //----------------------------------------------------------------------
479 Int_t AliMUONTriggerCircuit::GetX2m() const {
483 //----------------------------------------------------------------------
484 Int_t AliMUONTriggerCircuit::GetX2ud() const {
488 //----------------------------------------------------------------------
489 void AliMUONTriggerCircuit::GetOrMud(Int_t orMud[2]) const {
494 //----------------------------------------------------------------------
495 Int_t AliMUONTriggerCircuit::GetXcode(Int_t chamber, Int_t istrip) const {
496 // returns X code of circuit/chamber/istrip (warning : chamber in [0,3])
497 return fXcode[chamber][istrip];
499 //----------------------------------------------------------------------
500 Int_t AliMUONTriggerCircuit::GetYcode(Int_t chamber, Int_t istrip) const {
501 // returns Y code of circuit/chamber/istrip (warning : chamber in [0,3])
502 return fYcode[chamber][istrip];
504 //----------------------------------------------------------------------
505 Float_t AliMUONTriggerCircuit::GetY11Pos(Int_t istrip) const {
506 // returns Y position of X strip istrip in MC11
507 return fYpos11[istrip];
509 //----------------------------------------------------------------------
510 Float_t AliMUONTriggerCircuit::GetY21Pos(Int_t istrip) const {
511 // returns Y position of X strip istrip in MC21
512 return fYpos21[istrip];
514 //----------------------------------------------------------------------
515 Float_t AliMUONTriggerCircuit::GetX11Pos(Int_t istrip) const {
516 // returns X position of Y strip istrip in MC11
517 return fXpos11[istrip];
519 //----------------------------------------------------------------------
520 //--- end of methods which return member data related info
521 //----------------------------------------------------------------------
524 Int_t AliMUONTriggerCircuit::DetElemId(Int_t ichamber, Int_t idModule)
526 // adpated to official numbering (09/20/05)
527 // returns the detection element Id for given chamber and module
528 // ichamber (from 11 to 14), idModule (from -97 to 97)
531 Int_t linenumber=Int_t(idModule/10);
532 switch (linenumber) // (from 1 to 9, from top to bottom)
590 return (ichamber*100)+itmp;