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a9e2aefa 1/**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
d7c4fbc4 3 * SigmaEffect_thetadegrees *
a9e2aefa 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 *
2c799aa2 12 * about the suitability of this software for any purpeateose. It is *
a9e2aefa 13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
15
88cb7938 16/* $Id$ */
a9e2aefa 17
18/////////////////////////////////////////////////////////
acc838fd 19// Manager and hits classes for set:MUON version 1 //
a9e2aefa 20/////////////////////////////////////////////////////////
acc838fd 21
abaf7c9d 22#include <TRandom.h>
23#include <TF1.h>
116cbefd 24#include <TClonesArray.h>
acc838fd 25#include <TRandom.h>
88cb7938 26#include <TVirtualMC.h>
333f7cda 27#include <TGeoMatrix.h>
a9e2aefa 28
30178c30 29#include "AliMUONv1.h"
a9e2aefa 30#include "AliConst.h"
31#include "AliMUONChamber.h"
88cb7938 32#include "AliMUONConstants.h"
a713db22 33#include "AliMUONFactoryV2.h"
a9e2aefa 34#include "AliMUONHit.h"
8c449e83 35#include "AliMUONTriggerCircuit.h"
d4bb94a1 36#include "AliMUONGeometryBuilder.h"
e118b27e 37#include "AliMUONGeometryModule.h"
333f7cda 38#include "AliMUONGeometrySVMap.h"
e118b27e 39#include "AliMUONGeometryDetElement.h"
88cb7938 40#include "AliMagF.h"
41#include "AliRun.h"
5d12ce38 42#include "AliMC.h"
8c343c7c 43#include "AliLog.h"
a9e2aefa 44
45ClassImp(AliMUONv1)
46
47//___________________________________________
30178c30 48AliMUONv1::AliMUONv1()
49 : AliMUON(),
d4bb94a1 50 fStepManagerVersionOld(kFALSE),
d59b2ec3 51 fStepManagerVersionDE(kFALSE),
d4bb94a1 52 fAngleEffect(kTRUE),
53 fStepMaxInActiveGas(0.6),
54 fStepSum(0x0),
55 fDestepSum(0x0),
56 fTrackMomentum(),
57 fTrackPosition(),
58 fElossRatio(0x0),
59 fAngleEffect10(0x0),
60 fAngleEffectNorma(0x0)
a9e2aefa 61{
d4bb94a1 62// Default constructor
1391e633 63}
d4bb94a1 64
a9e2aefa 65//___________________________________________
66AliMUONv1::AliMUONv1(const char *name, const char *title)
d4bb94a1 67 : AliMUON(name,title),
68 fStepManagerVersionOld(kFALSE),
d59b2ec3 69 fStepManagerVersionDE(kFALSE),
d4bb94a1 70 fAngleEffect(kTRUE),
71 fStepMaxInActiveGas(0.6),
72 fStepSum(0x0),
73 fDestepSum(0x0),
74 fTrackMomentum(),
75 fTrackPosition(),
76 fElossRatio(0x0),
77 fAngleEffect10(0x0),
78 fAngleEffectNorma(0x0)
a9e2aefa 79{
d4bb94a1 80// Standard onstructor
81
ba030c0e 82 // By default include all stations
c33d9661 83
1391e633 84 fStepSum = new Float_t [AliMUONConstants::NCh()];
85 fDestepSum = new Float_t [AliMUONConstants::NCh()];
86 for (Int_t i=0; i<AliMUONConstants::NCh(); i++) {
87 fStepSum[i] =0.0;
88 fDestepSum[i]=0.0;
89 }
90 // Ratio of particle mean eloss with respect MIP's Khalil Boudjemline, sep 2003, PhD.Thesis and Particle Data Book
91 fElossRatio = new TF1("ElossRatio","[0]+[1]*x+[2]*x*x+[3]*x*x*x+[4]*x*x*x*x",0.5,5.);
92 fElossRatio->SetParameter(0,1.02138);
93 fElossRatio->SetParameter(1,-9.54149e-02);
94 fElossRatio->SetParameter(2,+7.83433e-02);
95 fElossRatio->SetParameter(3,-9.98208e-03);
96 fElossRatio->SetParameter(4,+3.83279e-04);
97
98 // Angle effect in tracking chambers at theta =10 degres as a function of ElossRatio (Khalil BOUDJEMLINE sep 2003 Ph.D Thesis) (in micrometers)
99 fAngleEffect10 = new TF1("AngleEffect10","[0]+[1]*x+[2]*x*x",0.5,3.0);
100 fAngleEffect10->SetParameter(0, 1.90691e+02);
101 fAngleEffect10->SetParameter(1,-6.62258e+01);
102 fAngleEffect10->SetParameter(2,+1.28247e+01);
103 // Angle effect: Normalisation form theta=10 degres to theta between 0 and 10 (Khalil BOUDJEMLINE sep 2003 Ph.D Thesis)
104 // Angle with respect to the wires assuming that chambers are perpendicular to the z axis.
105 fAngleEffectNorma = new TF1("AngleEffectNorma","[0]+[1]*x+[2]*x*x+[3]*x*x*x",0.0,10.0);
106 fAngleEffectNorma->SetParameter(0,4.148);
107 fAngleEffectNorma->SetParameter(1,-6.809e-01);
108 fAngleEffectNorma->SetParameter(2,5.151e-02);
109 fAngleEffectNorma->SetParameter(3,-1.490e-03);
a9e2aefa 110}
111
fb1bf5c0 112//_____________________________________________________________________________
113AliMUONv1::AliMUONv1(const AliMUONv1& right)
114 : AliMUON(right)
115{
116 // copy constructor (not implemented)
117
8c343c7c 118 AliFatal("Copy constructor not provided.");
fb1bf5c0 119}
120
a9e2aefa 121//___________________________________________
acc838fd 122AliMUONv1::~AliMUONv1()
a9e2aefa 123{
acc838fd 124// Destructor
a9e2aefa 125
d4bb94a1 126 delete [] fStepSum;
127 delete [] fDestepSum;
128 delete fElossRatio;
129 delete fAngleEffect10;
8109731a 130 delete fAngleEffectNorma;
acc838fd 131}
b17c0c87 132
fb1bf5c0 133//_____________________________________________________________________________
134AliMUONv1& AliMUONv1::operator=(const AliMUONv1& right)
135{
136 // assignement operator (not implemented)
137
138 // check assignement to self
139 if (this == &right) return *this;
140
8c343c7c 141 AliFatal("Assignement operator not provided.");
fb1bf5c0 142
143 return *this;
144}
145
acc838fd 146//__________________________________________________
147void AliMUONv1::CreateGeometry()
148{
b17c0c87 149//
d4bb94a1 150// Construct geometry using geometry builder
a9e2aefa 151//
a9e2aefa 152
d4bb94a1 153 fGeometryBuilder->CreateGeometry();
acc838fd 154}
a9e2aefa 155
acc838fd 156//________________________________________________________________
a9e2aefa 157void AliMUONv1::CreateMaterials()
158{
a9e2aefa 159//
d4bb94a1 160// Construct materials using geometry builder
161//
acc838fd 162
d4bb94a1 163 fGeometryBuilder->CreateMaterials();
a9e2aefa 164}
165
acc838fd 166//___________________________________________
a9e2aefa 167void AliMUONv1::Init()
a713db22 168{
8c343c7c 169 AliDebug(1,"Start Init for version 1 - CPC chamber type");
e17592e9 170 Int_t i;
a713db22 171
172
331dcacd 173 //
d4bb94a1 174 // Initialize geometry
acc838fd 175 //
d4bb94a1 176 fGeometryBuilder->InitGeometry();
a713db22 177 AliDebug(1,"Finished Init for version 1 - CPC chamber type");
178
7fe0032c 179 fFactory = new AliMUONFactoryV2("New MUON Factory");
180 AliInfo("New Segmentation");
a713db22 181
a713db22 182
8109731a 183 fFactory->Build(this, "default");
a713db22 184
185 //
186 // Initialize segmentation
187 //
a713db22 188
a713db22 189 for (i=0; i<AliMUONConstants::NCh(); i++)
7fe0032c 190 ( (AliMUONChamber*) (*fChambers)[i])->Init(2);// new segmentation
002920d1 191
a713db22 192
331dcacd 193 // trigger circuit
194 // cp
195 for (i=0; i<AliMUONConstants::NTriggerCircuit(); i++)
196 ( (AliMUONTriggerCircuit*) (*fTriggerCircuits)[i])->Init(i);
197
198
a713db22 199
200
201
a9e2aefa 202}
1391e633 203
d4bb94a1 204//__________________________________________________________________
205Int_t AliMUONv1::GetChamberId(Int_t volId) const
206{
207// Check if the volume with specified volId is a sensitive volume (gas)
208// of some chamber and returns the chamber number;
209// if not sensitive volume - return 0.
210// ---
211
212/*
213 for (Int_t i = 1; i <= AliMUONConstants::NCh(); i++)
214 if (volId==((AliMUONChamber*)(*fChambers)[i-1])->GetGid()) return i;
215*/
216 for (Int_t i = 1; i <= AliMUONConstants::NCh(); i++)
217 if ( ((AliMUONChamber*)(*fChambers)[i-1])->IsSensId(volId) ) return i;
218
219 return 0;
220}
333f7cda 221
222//_______________________________________________________________________________
223TString AliMUONv1::CurrentVolumePath() const
224{
225// Returns current volume path
226// (Could be removed when this function is available via gMC)
227// ---
228
229 TString path = "";
230 TString name;
231 Int_t copyNo;
232 Int_t imother = 0;
233 do {
234 name = gMC->CurrentVolOffName(imother);
235 gMC->CurrentVolOffID(imother++, copyNo);
236 TString add = "/";
237 add += name;
238 add += ".";
239 add += copyNo;
240 path.Insert(0,add);
241 }
242 while ( name != TString("ALIC") );
243
244 return path;
245}
246
1391e633 247//_______________________________________________________________________________
c33d9661 248void AliMUONv1::StepManager()
249{
d7c4fbc4 250 // Stepmanager for the chambers
d59b2ec3 251 // TBR
252
253 if (fStepManagerVersionDE) {
254 StepManager2();
255 return;
256 }
d7c4fbc4 257
c33d9661 258
259 // Only charged tracks
d59b2ec3 260 if( !(gMC->TrackCharge()) ) return;
1391e633 261 // Only charged tracks
262
c33d9661 263 // Only gas gap inside chamber
264 // Tag chambers and record hits when track enters
acc838fd 265 static Int_t idvol=-1;
1391e633 266 Int_t iChamber=0;
267 Int_t id=0;
268 Int_t copy;
269 const Float_t kBig = 1.e10;
270
acc838fd 271
272 //
273 // Only gas gap inside chamber
274 // Tag chambers and record hits when track enters
c33d9661 275 id=gMC->CurrentVolID(copy);
acc838fd 276 iChamber = GetChamberId(id);
277 idvol = iChamber -1;
278
279 if (idvol == -1) return;
abaf7c9d 280
967a2a25 281 // Filling TrackRefs file for MUON. Our Track references are the active volume of the chambers
282 if ( (gMC->IsTrackEntering() || gMC->IsTrackExiting() ) )
283 AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber());
284
1391e633 285 if( gMC->IsTrackEntering() ) {
286 Float_t theta = fTrackMomentum.Theta();
4ac9d21e 287 if ((TMath::Pi()-theta)*kRaddeg>=15.) gMC->SetMaxStep(fStepMaxInActiveGas); // We use Pi-theta because z is negative
288 }
abaf7c9d 289
5a0e88a7 290 // AliDebug(1,
291 // Form("Active volume found %d chamber %d Z chamber is %f ",idvol,iChamber,
292 // ( (AliMUONChamber*)(*fChambers)[idvol])->Z()));
293 // Particule id and mass,
1391e633 294 Int_t ipart = gMC->TrackPid();
295 Float_t mass = gMC->TrackMass();
296
297 fDestepSum[idvol]+=gMC->Edep();
298 // Get current particle id (ipart), track position (pos) and momentum (mom)
299 if ( fStepSum[idvol]==0.0 ) gMC->TrackMomentum(fTrackMomentum);
300 fStepSum[idvol]+=gMC->TrackStep();
abaf7c9d 301
5a0e88a7 302 // if(AliDebugLevel()) {
303 // AliDebug(1,
304 // Form("iChamber %d, Particle %d, theta %f phi %f mass %f StepSum %f eloss %g",
305 // iChamber,ipart, fTrackMomentum.Theta()*kRaddeg, fTrackMomentum.Phi()*kRaddeg,
306 // mass, fStepSum[idvol], gMC->Edep()));
307 // AliDebug(1,
308 // Form("Track Momentum %f %f %f", fTrackMomentum.X(), fTrackMomentum.Y(),
309 // fTrackMomentum.Z()));
310 // gMC->TrackPosition(fTrackPosition);
311 // AliDebug(1,
312 // Form("Track Position %f %f %f",fTrackPosition.X(),fTrackPosition.Y(),
313 // fTrackPosition.Z())) ;
314 // }
1391e633 315
316 // Track left chamber or StepSum larger than fStepMaxInActiveGas
317 if ( gMC->IsTrackExiting() ||
318 gMC->IsTrackStop() ||
319 gMC->IsTrackDisappeared()||
320 (fStepSum[idvol]>fStepMaxInActiveGas) ) {
321
322 if ( gMC->IsTrackExiting() ||
acc838fd 323 gMC->IsTrackStop() ||
324 gMC->IsTrackDisappeared() ) gMC->SetMaxStep(kBig);
1391e633 325
326 gMC->TrackPosition(fTrackPosition);
327 Float_t theta = fTrackMomentum.Theta();
328 Float_t phi = fTrackMomentum.Phi();
329
d7c4fbc4 330 TLorentzVector backToWire( fStepSum[idvol]/2.*sin(theta)*cos(phi),
acc838fd 331 fStepSum[idvol]/2.*sin(theta)*sin(phi),
332 fStepSum[idvol]/2.*cos(theta),0.0 );
5a0e88a7 333 // AliDebug(1,Form("Exit: Track Position %f %f %f",fTrackPosition.X(),
334 // fTrackPosition.Y(),fTrackPosition.Z())) ;
335 // AliDebug(1,Form("Exit: Track backToWire %f %f %f",backToWire.X(),
336 // backToWire.Y(),backToWire.Z()) ;
d7c4fbc4 337 fTrackPosition-=backToWire;
1391e633 338
339 //-------------- Angle effect
340 // Ratio between energy loss of particle and Mip as a function of BetaGamma of particle (Energy/Mass)
341
30178c30 342 Float_t betaxGamma = fTrackMomentum.P()/mass;// pc/mc2
d7c4fbc4 343 Float_t sigmaEffect10degrees;
344 Float_t sigmaEffectThetadegrees;
345 Float_t eLossParticleELossMip;
346 Float_t yAngleEffect=0.;
347 Float_t thetawires = TMath::Abs( TMath::ASin( TMath::Sin(TMath::Pi()-theta) * TMath::Sin(phi) ) );// We use Pi-theta because z is negative
348
374ebd7d 349
350 if (fAngleEffect){
30178c30 351 if ( (betaxGamma >3.2) && (thetawires*kRaddeg<=15.) ) {
352 betaxGamma=TMath::Log(betaxGamma);
353 eLossParticleELossMip = fElossRatio->Eval(betaxGamma);
1391e633 354 // 10 degrees is a reference for a model (arbitrary)
d7c4fbc4 355 sigmaEffect10degrees=fAngleEffect10->Eval(eLossParticleELossMip);// in micrometers
1391e633 356 // Angle with respect to the wires assuming that chambers are perpendicular to the z axis.
d7c4fbc4 357 sigmaEffectThetadegrees = sigmaEffect10degrees/fAngleEffectNorma->Eval(thetawires*kRaddeg); // For 5mm gap
1391e633 358 if ( (iChamber==1) || (iChamber==2) )
acc838fd 359 sigmaEffectThetadegrees/=(1.09833e+00+1.70000e-02*(thetawires*kRaddeg)); // The gap is different (4mm)
d7c4fbc4 360 yAngleEffect=1.e-04*gRandom->Gaus(0,sigmaEffectThetadegrees); // Error due to the angle effect in cm
1391e633 361 }
374ebd7d 362 }
1391e633 363
333f7cda 364 // Detection elements ids
e118b27e 365 AliMUONGeometryModule* geometry
366 = Chamber(iChamber-1).GetGeometry();
367
368 AliMUONGeometryDetElement* detElement
369 = geometry->FindBySensitiveVolume(CurrentVolumePath());
370
333f7cda 371 Int_t detElemId = 0;
e118b27e 372 if (detElement) detElemId = detElement->GetUniqueID();
333f7cda 373
374 if (!detElemId) {
375 cerr << "Chamber id: "
376 << setw(3) << iChamber << " "
377 << "Current SV: "
378 << CurrentVolumePath()
379 << " detElemId: "
380 << setw(5) << detElemId
381 << endl;
382 Double_t x, y, z;
383 gMC->TrackPosition(x, y, z);
384 cerr << " global position: "
385 << x << ", " << y << ", " << z
386 << endl;
8c343c7c 387 AliWarning("DetElemId not identified.");
333f7cda 388 }
389
1391e633 390 // One hit per chamber
47464038 391 GetMUONData()->AddHit(fIshunt,
392 gAlice->GetMCApp()->GetCurrentTrackNumber(),
393 iChamber, ipart,
394 fTrackPosition.X(),
395 fTrackPosition.Y()+yAngleEffect,
396 fTrackPosition.Z(),
397 gMC->TrackTime(),
398 fTrackMomentum.P(),
399 theta,
400 phi,
401 fStepSum[idvol],
402 fDestepSum[idvol],
403 fTrackPosition.X(),
404 fTrackPosition.Y(),
405 fTrackPosition.Z());
406
5a0e88a7 407// if (AliDebugLevel()){
408// AliDebug(1,Form("Exit: Particle exiting from chamber %d",iChamber));
409// AliDebug(1,Form("Exit: StepSum %f eloss geant %g ",fStepSum[idvol],fDestepSum[idvol]));
410// AliDebug(1,Form("Exit: Track Position %f %f %f",fTrackPosition.X(),fTrackPosition.Y(),fTrackPosition.Z())) ;
1391e633 411// }
412 fStepSum[idvol] =0; // Reset for the next event
413 fDestepSum[idvol]=0; // Reset for the next event
414 }
abaf7c9d 415}
5f91c9e8 416
d59b2ec3 417//_______________________________________________________________________________
418void AliMUONv1::StepManager2()
419{
420 // Stepmanager for the chambers
421
d59b2ec3 422 // Only charged tracks
423 if( !(gMC->TrackCharge()) ) return;
424 // Only charged tracks
425
426 // Only gas gap inside chamber
427 // Tag chambers and record hits when track enters
428 static Int_t idvol=-1;
429 Int_t iChamber=0;
430 Int_t id=0;
431 Int_t copy;
432 const Float_t kBig = 1.e10;
433
434
435 //
436 // Only gas gap inside chamber
437 // Tag chambers and record hits when track enters
438 id=gMC->CurrentVolID(copy);
439 iChamber = GetChamberId(id);
440 idvol = iChamber -1;
441
442 if (idvol == -1) return;
443
444 // Filling TrackRefs file for MUON. Our Track references are the active volume of the chambers
445 if ( (gMC->IsTrackEntering() || gMC->IsTrackExiting() ) )
446 AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber());
447
448 if( gMC->IsTrackEntering() ) {
449 Float_t theta = fTrackMomentum.Theta();
450 if ((TMath::Pi()-theta)*kRaddeg>=15.) gMC->SetMaxStep(fStepMaxInActiveGas); // We use Pi-theta because z is negative
451 }
452
5a0e88a7 453 // AliDebug(1,
454 // Form("Active volume found %d chamber %d Z chamber is %f ",idvol,iChamber,
455 // ( (AliMUONChamber*)(*fChambers)[idvol])->Z())) ;
d59b2ec3 456 // Particule id and mass,
457 Int_t ipart = gMC->TrackPid();
458 Float_t mass = gMC->TrackMass();
459
460 fDestepSum[idvol]+=gMC->Edep();
461 // Get current particle id (ipart), track position (pos) and momentum (mom)
462 if ( fStepSum[idvol]==0.0 ) gMC->TrackMomentum(fTrackMomentum);
463 fStepSum[idvol]+=gMC->TrackStep();
464
5a0e88a7 465 // if (AliDebugLevel()) {
466 // AliDebug(1,Form("Step, iChamber %d, Particle %d, theta %f phi %f mass %f StepSum %f eloss %g",
467 // iChamber,ipart, fTrackMomentum.Theta()*kRaddeg, fTrackMomentum.Phi()*kRaddeg,
468 // mass, fStepSum[idvol], gMC->Edep()));
469 // AliDebug(1,Form("Step:Track Momentum %f %f %f", fTrackMomentum.X(), fTrackMomentum.Y(),
470 // fTrackMomentum.Z()));
471 // gMC->TrackPosition(fTrackPosition);
472 // AliDebug(1,Form("Step: Track Position %f %f %f",fTrackPosition.X(),
473 // fTrackPosition.Y(),fTrackPosition.Z())) ;
474 //}
d59b2ec3 475
476 // Track left chamber or StepSum larger than fStepMaxInActiveGas
477 if ( gMC->IsTrackExiting() ||
478 gMC->IsTrackStop() ||
479 gMC->IsTrackDisappeared()||
480 (fStepSum[idvol]>fStepMaxInActiveGas) ) {
481
482 if ( gMC->IsTrackExiting() ||
483 gMC->IsTrackStop() ||
484 gMC->IsTrackDisappeared() ) gMC->SetMaxStep(kBig);
485
486 gMC->TrackPosition(fTrackPosition);
487 Float_t theta = fTrackMomentum.Theta();
488 Float_t phi = fTrackMomentum.Phi();
489
490 TLorentzVector backToWire( fStepSum[idvol]/2.*sin(theta)*cos(phi),
491 fStepSum[idvol]/2.*sin(theta)*sin(phi),
492 fStepSum[idvol]/2.*cos(theta),0.0 );
5a0e88a7 493 // AliDebug(1,
494 // Form("Track Position %f %f %f",fTrackPosition.X(),fTrackPosition.Y(),fTrackPosition.Z()));
495 // AliDebug(1,
496 // Form("Exit: Track backToWire %f %f %f",backToWire.X(),backToWire.Y(),backToWire.Z())) ;
d59b2ec3 497 fTrackPosition-=backToWire;
498
499 //-------------- Angle effect
500 // Ratio between energy loss of particle and Mip as a function of BetaGamma of particle (Energy/Mass)
501
502 Float_t betaxGamma = fTrackMomentum.P()/mass;// pc/mc2
503 Float_t sigmaEffect10degrees;
504 Float_t sigmaEffectThetadegrees;
505 Float_t eLossParticleELossMip;
506 Float_t yAngleEffect=0.;
507 Float_t thetawires = TMath::Abs( TMath::ASin( TMath::Sin(TMath::Pi()-theta) * TMath::Sin(phi) ) );// We use Pi-theta because z is negative
508
509
510 if (fAngleEffect){
511 if ( (betaxGamma >3.2) && (thetawires*kRaddeg<=15.) ) {
512 betaxGamma=TMath::Log(betaxGamma);
513 eLossParticleELossMip = fElossRatio->Eval(betaxGamma);
514 // 10 degrees is a reference for a model (arbitrary)
515 sigmaEffect10degrees=fAngleEffect10->Eval(eLossParticleELossMip);// in micrometers
516 // Angle with respect to the wires assuming that chambers are perpendicular to the z axis.
517 sigmaEffectThetadegrees = sigmaEffect10degrees/fAngleEffectNorma->Eval(thetawires*kRaddeg); // For 5mm gap
518 if ( (iChamber==1) || (iChamber==2) )
519 sigmaEffectThetadegrees/=(1.09833e+00+1.70000e-02*(thetawires*kRaddeg)); // The gap is different (4mm)
520 yAngleEffect=1.e-04*gRandom->Gaus(0,sigmaEffectThetadegrees); // Error due to the angle effect in cm
521 }
522 }
523
524 // Detection elements ids
525 AliMUONGeometryModule* geometry
526 = Chamber(iChamber-1).GetGeometry();
527
528 AliMUONGeometryDetElement* detElement
529 = geometry->FindBySensitiveVolume(CurrentVolumePath());
530
531 Int_t detElemId = 0;
532 if (detElement) detElemId = detElement->GetUniqueID();
533
534 if (!detElemId) {
535 cerr << "Chamber id: "
536 << setw(3) << iChamber << " "
537 << "Current SV: "
538 << CurrentVolumePath()
539 << " detElemId: "
540 << setw(5) << detElemId
541 << endl;
542 Double_t x, y, z;
543 gMC->TrackPosition(x, y, z);
544 cerr << " global position: "
545 << x << ", " << y << ", " << z
546 << endl;
547 AliError("DetElemId not identified.");
548 }
549
550 // One hit per chamber
8690a0a6 551 GetMUONData()->AddHit2(fIshunt,
d59b2ec3 552 gAlice->GetMCApp()->GetCurrentTrackNumber(),
553 detElemId, ipart,
554 fTrackPosition.X(),
555 fTrackPosition.Y()+yAngleEffect,
556 fTrackPosition.Z(),
557 gMC->TrackTime(),
558 fTrackMomentum.P(),
559 theta,
560 phi,
561 fStepSum[idvol],
562 fDestepSum[idvol],
563 fTrackPosition.X(),
564 fTrackPosition.Y(),
565 fTrackPosition.Z());
566
5a0e88a7 567 // AliDebug(1,Form("Exit: Particle exiting from chamber %d",iChamber));
568 // AliDebug(1,Form("Exit: StepSum %f eloss geant %g ",fStepSum[idvol],fDestepSum[idvol]));
569 // AliDebug(1,Form("Exit: Track Position %f %f %f",fTrackPosition.X(),fTrackPosition.Y(),fTrackPosition.Z()) ;
570
d59b2ec3 571 fStepSum[idvol] =0; // Reset for the next event
572 fDestepSum[idvol]=0; // Reset for the next event
573 }
574}