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Removed - functionality of this class moved to geometry and mapping
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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"
88cb7938 31#include "AliMUONConstants.h"
40afd6cd 32#include "AliMUONSegFactory.h"
b7ef3c96 33#include "AliMUONResponseFactory.h"
34#include "AliMUONSegmentation.h"
a9e2aefa 35#include "AliMUONHit.h"
8c449e83 36#include "AliMUONTriggerCircuit.h"
d4bb94a1 37#include "AliMUONGeometryBuilder.h"
b7ef3c96 38#include "AliMUONGeometry.h"
39#include "AliMUONGeometryTransformer.h"
e118b27e 40#include "AliMUONGeometryModule.h"
333f7cda 41#include "AliMUONGeometrySVMap.h"
e118b27e 42#include "AliMUONGeometryDetElement.h"
88cb7938 43#include "AliMagF.h"
44#include "AliRun.h"
5d12ce38 45#include "AliMC.h"
8c343c7c 46#include "AliLog.h"
a9e2aefa 47
edee5e63 48#include <string>
49
a9e2aefa 50ClassImp(AliMUONv1)
51
52//___________________________________________
30178c30 53AliMUONv1::AliMUONv1()
54 : AliMUON(),
e8e385f7 55 fStepManagerVersionOld(kTRUE),
56 fStepManagerVersionDE(kTRUE),
d4bb94a1 57 fAngleEffect(kTRUE),
58 fStepMaxInActiveGas(0.6),
59 fStepSum(0x0),
60 fDestepSum(0x0),
61 fTrackMomentum(),
62 fTrackPosition(),
63 fElossRatio(0x0),
64 fAngleEffect10(0x0),
b7ef3c96 65 fAngleEffectNorma(0x0)
a9e2aefa 66{
d4bb94a1 67// Default constructor
edee5e63 68 AliDebug(1,Form("default (empty) ctor this=%p",this));
1391e633 69}
d4bb94a1 70
a9e2aefa 71//___________________________________________
72AliMUONv1::AliMUONv1(const char *name, const char *title)
d4bb94a1 73 : AliMUON(name,title),
e8e385f7 74 fStepManagerVersionOld(kTRUE),
75 fStepManagerVersionDE(kTRUE),
d4bb94a1 76 fAngleEffect(kTRUE),
77 fStepMaxInActiveGas(0.6),
78 fStepSum(0x0),
79 fDestepSum(0x0),
80 fTrackMomentum(),
81 fTrackPosition(),
82 fElossRatio(0x0),
83 fAngleEffect10(0x0),
b7ef3c96 84 fAngleEffectNorma(0x0)
a9e2aefa 85{
d4bb94a1 86// Standard onstructor
87
edee5e63 88 AliDebug(1,Form("ctor this=%p",this));
89
ba030c0e 90 // By default include all stations
c33d9661 91
1391e633 92 fStepSum = new Float_t [AliMUONConstants::NCh()];
93 fDestepSum = new Float_t [AliMUONConstants::NCh()];
94 for (Int_t i=0; i<AliMUONConstants::NCh(); i++) {
95 fStepSum[i] =0.0;
96 fDestepSum[i]=0.0;
97 }
98 // Ratio of particle mean eloss with respect MIP's Khalil Boudjemline, sep 2003, PhD.Thesis and Particle Data Book
99 fElossRatio = new TF1("ElossRatio","[0]+[1]*x+[2]*x*x+[3]*x*x*x+[4]*x*x*x*x",0.5,5.);
100 fElossRatio->SetParameter(0,1.02138);
101 fElossRatio->SetParameter(1,-9.54149e-02);
102 fElossRatio->SetParameter(2,+7.83433e-02);
103 fElossRatio->SetParameter(3,-9.98208e-03);
104 fElossRatio->SetParameter(4,+3.83279e-04);
105
106 // Angle effect in tracking chambers at theta =10 degres as a function of ElossRatio (Khalil BOUDJEMLINE sep 2003 Ph.D Thesis) (in micrometers)
107 fAngleEffect10 = new TF1("AngleEffect10","[0]+[1]*x+[2]*x*x",0.5,3.0);
108 fAngleEffect10->SetParameter(0, 1.90691e+02);
109 fAngleEffect10->SetParameter(1,-6.62258e+01);
110 fAngleEffect10->SetParameter(2,+1.28247e+01);
111 // Angle effect: Normalisation form theta=10 degres to theta between 0 and 10 (Khalil BOUDJEMLINE sep 2003 Ph.D Thesis)
112 // Angle with respect to the wires assuming that chambers are perpendicular to the z axis.
113 fAngleEffectNorma = new TF1("AngleEffectNorma","[0]+[1]*x+[2]*x*x+[3]*x*x*x",0.0,10.0);
114 fAngleEffectNorma->SetParameter(0,4.148);
115 fAngleEffectNorma->SetParameter(1,-6.809e-01);
116 fAngleEffectNorma->SetParameter(2,5.151e-02);
117 fAngleEffectNorma->SetParameter(3,-1.490e-03);
a9e2aefa 118}
119
fb1bf5c0 120//_____________________________________________________________________________
121AliMUONv1::AliMUONv1(const AliMUONv1& right)
122 : AliMUON(right)
123{
124 // copy constructor (not implemented)
125
8c343c7c 126 AliFatal("Copy constructor not provided.");
fb1bf5c0 127}
128
a9e2aefa 129//___________________________________________
acc838fd 130AliMUONv1::~AliMUONv1()
a9e2aefa 131{
acc838fd 132// Destructor
edee5e63 133 AliDebug(1,Form("dtor this=%p",this));
d4bb94a1 134 delete [] fStepSum;
135 delete [] fDestepSum;
136 delete fElossRatio;
137 delete fAngleEffect10;
8109731a 138 delete fAngleEffectNorma;
acc838fd 139}
b17c0c87 140
fb1bf5c0 141//_____________________________________________________________________________
142AliMUONv1& AliMUONv1::operator=(const AliMUONv1& right)
143{
144 // assignement operator (not implemented)
145
146 // check assignement to self
147 if (this == &right) return *this;
148
8c343c7c 149 AliFatal("Assignement operator not provided.");
fb1bf5c0 150
151 return *this;
152}
153
acc838fd 154//__________________________________________________
155void AliMUONv1::CreateGeometry()
156{
b17c0c87 157//
d4bb94a1 158// Construct geometry using geometry builder
a9e2aefa 159//
a9e2aefa 160
d4bb94a1 161 fGeometryBuilder->CreateGeometry();
acc838fd 162}
a9e2aefa 163
acc838fd 164//________________________________________________________________
a9e2aefa 165void AliMUONv1::CreateMaterials()
166{
a9e2aefa 167//
d4bb94a1 168// Construct materials using geometry builder
169//
acc838fd 170
d4bb94a1 171 fGeometryBuilder->CreateMaterials();
a9e2aefa 172}
173
acc838fd 174//___________________________________________
a9e2aefa 175void AliMUONv1::Init()
a713db22 176{
edee5e63 177 AliDebug(1,"Start Init for version 1 - CPC chamber type");
002920d1 178
edee5e63 179 //
180 // Initialize geometry
181 //
182 fGeometryBuilder->InitGeometry();
183 AliDebug(1,"Finished Init for version 1 - CPC chamber type");
b7ef3c96 184
185
edee5e63 186 std::string ftype(GetTitle());
b7ef3c96 187
188 // Build segmentation
189 // using geometry parametrisation
190 //
40afd6cd 191 AliMUONSegFactory segFactory(GetGeometryTransformer());
192 fSegmentation = segFactory.CreateSegmentation(ftype);
193
194 if (!fSegmentation) {
195 AliFatal(Form("Wrong factory type : %s",ftype.c_str()));
196 }
b7ef3c96 197
198 // Build response
edee5e63 199 //
b7ef3c96 200 AliMUONResponseFactory respFactory("default");
201 respFactory.Build(this);
202
203
edee5e63 204 // Initialize segmentation
205 //
b7ef3c96 206 fSegmentation->Init();
207
208 // Initialize trigger circuits
209 //
210 for (Int_t i=0; i<AliMUONConstants::NTriggerCircuit(); i++) {
e1d9a0df 211 AliMUONTriggerCircuit* c = (AliMUONTriggerCircuit*)(fTriggerCircuits->At(i));
212 c->Init(i);
213// c->Print();
214 }
edee5e63 215
a9e2aefa 216}
1391e633 217
d4bb94a1 218//__________________________________________________________________
219Int_t AliMUONv1::GetChamberId(Int_t volId) const
220{
221// Check if the volume with specified volId is a sensitive volume (gas)
222// of some chamber and returns the chamber number;
223// if not sensitive volume - return 0.
224// ---
225
b7ef3c96 226 for (Int_t i = 0; i < AliMUONConstants::NCh(); i++) {
227 if ( GetGeometry()->GetModule(i)->IsSensitiveVolume(volId) )
228 return i+1;
229 }
d4bb94a1 230
231 return 0;
232}
333f7cda 233
234//_______________________________________________________________________________
235TString AliMUONv1::CurrentVolumePath() const
236{
237// Returns current volume path
238// (Could be removed when this function is available via gMC)
239// ---
240
241 TString path = "";
242 TString name;
243 Int_t copyNo;
244 Int_t imother = 0;
245 do {
246 name = gMC->CurrentVolOffName(imother);
247 gMC->CurrentVolOffID(imother++, copyNo);
248 TString add = "/";
249 add += name;
250 add += ".";
251 add += copyNo;
252 path.Insert(0,add);
253 }
254 while ( name != TString("ALIC") );
255
256 return path;
257}
258
1391e633 259//_______________________________________________________________________________
c33d9661 260void AliMUONv1::StepManager()
261{
d7c4fbc4 262 // Stepmanager for the chambers
d59b2ec3 263 // TBR
264
265 if (fStepManagerVersionDE) {
266 StepManager2();
267 return;
268 }
d7c4fbc4 269
c33d9661 270
271 // Only charged tracks
d59b2ec3 272 if( !(gMC->TrackCharge()) ) return;
1391e633 273 // Only charged tracks
274
c33d9661 275 // Only gas gap inside chamber
276 // Tag chambers and record hits when track enters
acc838fd 277 static Int_t idvol=-1;
1391e633 278 Int_t iChamber=0;
279 Int_t id=0;
280 Int_t copy;
281 const Float_t kBig = 1.e10;
282
acc838fd 283
284 //
285 // Only gas gap inside chamber
286 // Tag chambers and record hits when track enters
c33d9661 287 id=gMC->CurrentVolID(copy);
acc838fd 288 iChamber = GetChamberId(id);
289 idvol = iChamber -1;
290
291 if (idvol == -1) return;
abaf7c9d 292
967a2a25 293 // Filling TrackRefs file for MUON. Our Track references are the active volume of the chambers
294 if ( (gMC->IsTrackEntering() || gMC->IsTrackExiting() ) )
295 AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber());
296
1391e633 297 if( gMC->IsTrackEntering() ) {
298 Float_t theta = fTrackMomentum.Theta();
4ac9d21e 299 if ((TMath::Pi()-theta)*kRaddeg>=15.) gMC->SetMaxStep(fStepMaxInActiveGas); // We use Pi-theta because z is negative
300 }
abaf7c9d 301
5a0e88a7 302 // AliDebug(1,
303 // Form("Active volume found %d chamber %d Z chamber is %f ",idvol,iChamber,
304 // ( (AliMUONChamber*)(*fChambers)[idvol])->Z()));
305 // Particule id and mass,
1391e633 306 Int_t ipart = gMC->TrackPid();
307 Float_t mass = gMC->TrackMass();
308
309 fDestepSum[idvol]+=gMC->Edep();
310 // Get current particle id (ipart), track position (pos) and momentum (mom)
311 if ( fStepSum[idvol]==0.0 ) gMC->TrackMomentum(fTrackMomentum);
312 fStepSum[idvol]+=gMC->TrackStep();
abaf7c9d 313
5a0e88a7 314 // if(AliDebugLevel()) {
315 // AliDebug(1,
316 // Form("iChamber %d, Particle %d, theta %f phi %f mass %f StepSum %f eloss %g",
317 // iChamber,ipart, fTrackMomentum.Theta()*kRaddeg, fTrackMomentum.Phi()*kRaddeg,
318 // mass, fStepSum[idvol], gMC->Edep()));
319 // AliDebug(1,
320 // Form("Track Momentum %f %f %f", fTrackMomentum.X(), fTrackMomentum.Y(),
321 // fTrackMomentum.Z()));
322 // gMC->TrackPosition(fTrackPosition);
323 // AliDebug(1,
324 // Form("Track Position %f %f %f",fTrackPosition.X(),fTrackPosition.Y(),
325 // fTrackPosition.Z())) ;
326 // }
1391e633 327
328 // Track left chamber or StepSum larger than fStepMaxInActiveGas
329 if ( gMC->IsTrackExiting() ||
330 gMC->IsTrackStop() ||
331 gMC->IsTrackDisappeared()||
332 (fStepSum[idvol]>fStepMaxInActiveGas) ) {
333
334 if ( gMC->IsTrackExiting() ||
acc838fd 335 gMC->IsTrackStop() ||
336 gMC->IsTrackDisappeared() ) gMC->SetMaxStep(kBig);
1391e633 337
338 gMC->TrackPosition(fTrackPosition);
339 Float_t theta = fTrackMomentum.Theta();
340 Float_t phi = fTrackMomentum.Phi();
341
d7c4fbc4 342 TLorentzVector backToWire( fStepSum[idvol]/2.*sin(theta)*cos(phi),
acc838fd 343 fStepSum[idvol]/2.*sin(theta)*sin(phi),
344 fStepSum[idvol]/2.*cos(theta),0.0 );
5a0e88a7 345 // AliDebug(1,Form("Exit: Track Position %f %f %f",fTrackPosition.X(),
346 // fTrackPosition.Y(),fTrackPosition.Z())) ;
347 // AliDebug(1,Form("Exit: Track backToWire %f %f %f",backToWire.X(),
348 // backToWire.Y(),backToWire.Z()) ;
d7c4fbc4 349 fTrackPosition-=backToWire;
1391e633 350
351 //-------------- Angle effect
352 // Ratio between energy loss of particle and Mip as a function of BetaGamma of particle (Energy/Mass)
353
30178c30 354 Float_t betaxGamma = fTrackMomentum.P()/mass;// pc/mc2
d7c4fbc4 355 Float_t sigmaEffect10degrees;
356 Float_t sigmaEffectThetadegrees;
357 Float_t eLossParticleELossMip;
358 Float_t yAngleEffect=0.;
359 Float_t thetawires = TMath::Abs( TMath::ASin( TMath::Sin(TMath::Pi()-theta) * TMath::Sin(phi) ) );// We use Pi-theta because z is negative
360
374ebd7d 361
362 if (fAngleEffect){
30178c30 363 if ( (betaxGamma >3.2) && (thetawires*kRaddeg<=15.) ) {
364 betaxGamma=TMath::Log(betaxGamma);
365 eLossParticleELossMip = fElossRatio->Eval(betaxGamma);
1391e633 366 // 10 degrees is a reference for a model (arbitrary)
d7c4fbc4 367 sigmaEffect10degrees=fAngleEffect10->Eval(eLossParticleELossMip);// in micrometers
1391e633 368 // Angle with respect to the wires assuming that chambers are perpendicular to the z axis.
d7c4fbc4 369 sigmaEffectThetadegrees = sigmaEffect10degrees/fAngleEffectNorma->Eval(thetawires*kRaddeg); // For 5mm gap
1391e633 370 if ( (iChamber==1) || (iChamber==2) )
acc838fd 371 sigmaEffectThetadegrees/=(1.09833e+00+1.70000e-02*(thetawires*kRaddeg)); // The gap is different (4mm)
d7c4fbc4 372 yAngleEffect=1.e-04*gRandom->Gaus(0,sigmaEffectThetadegrees); // Error due to the angle effect in cm
1391e633 373 }
374ebd7d 374 }
1391e633 375
333f7cda 376 // Detection elements ids
b7ef3c96 377 const AliMUONGeometryModule* kGeometryModule
378 = GetGeometry()->GetModule(iChamber-1);
e118b27e 379
380 AliMUONGeometryDetElement* detElement
b7ef3c96 381 = kGeometryModule->FindBySensitiveVolume(CurrentVolumePath());
e118b27e 382
333f7cda 383 Int_t detElemId = 0;
e118b27e 384 if (detElement) detElemId = detElement->GetUniqueID();
333f7cda 385
386 if (!detElemId) {
387 cerr << "Chamber id: "
388 << setw(3) << iChamber << " "
389 << "Current SV: "
390 << CurrentVolumePath()
391 << " detElemId: "
392 << setw(5) << detElemId
393 << endl;
394 Double_t x, y, z;
395 gMC->TrackPosition(x, y, z);
396 cerr << " global position: "
397 << x << ", " << y << ", " << z
398 << endl;
8c343c7c 399 AliWarning("DetElemId not identified.");
333f7cda 400 }
401
1391e633 402 // One hit per chamber
47464038 403 GetMUONData()->AddHit(fIshunt,
404 gAlice->GetMCApp()->GetCurrentTrackNumber(),
405 iChamber, ipart,
406 fTrackPosition.X(),
407 fTrackPosition.Y()+yAngleEffect,
408 fTrackPosition.Z(),
409 gMC->TrackTime(),
410 fTrackMomentum.P(),
411 theta,
412 phi,
413 fStepSum[idvol],
414 fDestepSum[idvol],
415 fTrackPosition.X(),
416 fTrackPosition.Y(),
417 fTrackPosition.Z());
418
5a0e88a7 419// if (AliDebugLevel()){
420// AliDebug(1,Form("Exit: Particle exiting from chamber %d",iChamber));
421// AliDebug(1,Form("Exit: StepSum %f eloss geant %g ",fStepSum[idvol],fDestepSum[idvol]));
422// AliDebug(1,Form("Exit: Track Position %f %f %f",fTrackPosition.X(),fTrackPosition.Y(),fTrackPosition.Z())) ;
1391e633 423// }
424 fStepSum[idvol] =0; // Reset for the next event
425 fDestepSum[idvol]=0; // Reset for the next event
426 }
abaf7c9d 427}
5f91c9e8 428
d59b2ec3 429//_______________________________________________________________________________
430void AliMUONv1::StepManager2()
431{
432 // Stepmanager for the chambers
433
d59b2ec3 434 // Only charged tracks
435 if( !(gMC->TrackCharge()) ) return;
436 // Only charged tracks
437
438 // Only gas gap inside chamber
439 // Tag chambers and record hits when track enters
440 static Int_t idvol=-1;
441 Int_t iChamber=0;
442 Int_t id=0;
443 Int_t copy;
444 const Float_t kBig = 1.e10;
445
446
447 //
448 // Only gas gap inside chamber
449 // Tag chambers and record hits when track enters
450 id=gMC->CurrentVolID(copy);
451 iChamber = GetChamberId(id);
452 idvol = iChamber -1;
453
454 if (idvol == -1) return;
455
456 // Filling TrackRefs file for MUON. Our Track references are the active volume of the chambers
457 if ( (gMC->IsTrackEntering() || gMC->IsTrackExiting() ) )
458 AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber());
459
460 if( gMC->IsTrackEntering() ) {
461 Float_t theta = fTrackMomentum.Theta();
462 if ((TMath::Pi()-theta)*kRaddeg>=15.) gMC->SetMaxStep(fStepMaxInActiveGas); // We use Pi-theta because z is negative
463 }
464
5a0e88a7 465 // AliDebug(1,
466 // Form("Active volume found %d chamber %d Z chamber is %f ",idvol,iChamber,
467 // ( (AliMUONChamber*)(*fChambers)[idvol])->Z())) ;
d59b2ec3 468 // Particule id and mass,
469 Int_t ipart = gMC->TrackPid();
470 Float_t mass = gMC->TrackMass();
471
472 fDestepSum[idvol]+=gMC->Edep();
473 // Get current particle id (ipart), track position (pos) and momentum (mom)
474 if ( fStepSum[idvol]==0.0 ) gMC->TrackMomentum(fTrackMomentum);
475 fStepSum[idvol]+=gMC->TrackStep();
476
5a0e88a7 477 // if (AliDebugLevel()) {
478 // AliDebug(1,Form("Step, iChamber %d, Particle %d, theta %f phi %f mass %f StepSum %f eloss %g",
479 // iChamber,ipart, fTrackMomentum.Theta()*kRaddeg, fTrackMomentum.Phi()*kRaddeg,
480 // mass, fStepSum[idvol], gMC->Edep()));
481 // AliDebug(1,Form("Step:Track Momentum %f %f %f", fTrackMomentum.X(), fTrackMomentum.Y(),
482 // fTrackMomentum.Z()));
483 // gMC->TrackPosition(fTrackPosition);
484 // AliDebug(1,Form("Step: Track Position %f %f %f",fTrackPosition.X(),
485 // fTrackPosition.Y(),fTrackPosition.Z())) ;
486 //}
d59b2ec3 487
488 // Track left chamber or StepSum larger than fStepMaxInActiveGas
489 if ( gMC->IsTrackExiting() ||
490 gMC->IsTrackStop() ||
491 gMC->IsTrackDisappeared()||
492 (fStepSum[idvol]>fStepMaxInActiveGas) ) {
493
494 if ( gMC->IsTrackExiting() ||
495 gMC->IsTrackStop() ||
496 gMC->IsTrackDisappeared() ) gMC->SetMaxStep(kBig);
497
498 gMC->TrackPosition(fTrackPosition);
499 Float_t theta = fTrackMomentum.Theta();
500 Float_t phi = fTrackMomentum.Phi();
501
502 TLorentzVector backToWire( fStepSum[idvol]/2.*sin(theta)*cos(phi),
503 fStepSum[idvol]/2.*sin(theta)*sin(phi),
504 fStepSum[idvol]/2.*cos(theta),0.0 );
5a0e88a7 505 // AliDebug(1,
506 // Form("Track Position %f %f %f",fTrackPosition.X(),fTrackPosition.Y(),fTrackPosition.Z()));
507 // AliDebug(1,
508 // Form("Exit: Track backToWire %f %f %f",backToWire.X(),backToWire.Y(),backToWire.Z())) ;
d59b2ec3 509 fTrackPosition-=backToWire;
510
511 //-------------- Angle effect
512 // Ratio between energy loss of particle and Mip as a function of BetaGamma of particle (Energy/Mass)
513
514 Float_t betaxGamma = fTrackMomentum.P()/mass;// pc/mc2
515 Float_t sigmaEffect10degrees;
516 Float_t sigmaEffectThetadegrees;
517 Float_t eLossParticleELossMip;
518 Float_t yAngleEffect=0.;
519 Float_t thetawires = TMath::Abs( TMath::ASin( TMath::Sin(TMath::Pi()-theta) * TMath::Sin(phi) ) );// We use Pi-theta because z is negative
520
521
522 if (fAngleEffect){
523 if ( (betaxGamma >3.2) && (thetawires*kRaddeg<=15.) ) {
524 betaxGamma=TMath::Log(betaxGamma);
525 eLossParticleELossMip = fElossRatio->Eval(betaxGamma);
526 // 10 degrees is a reference for a model (arbitrary)
527 sigmaEffect10degrees=fAngleEffect10->Eval(eLossParticleELossMip);// in micrometers
528 // Angle with respect to the wires assuming that chambers are perpendicular to the z axis.
529 sigmaEffectThetadegrees = sigmaEffect10degrees/fAngleEffectNorma->Eval(thetawires*kRaddeg); // For 5mm gap
530 if ( (iChamber==1) || (iChamber==2) )
531 sigmaEffectThetadegrees/=(1.09833e+00+1.70000e-02*(thetawires*kRaddeg)); // The gap is different (4mm)
532 yAngleEffect=1.e-04*gRandom->Gaus(0,sigmaEffectThetadegrees); // Error due to the angle effect in cm
533 }
534 }
535
536 // Detection elements ids
b7ef3c96 537 const AliMUONGeometryModule* kGeometryModule
538 = GetGeometry()->GetModule(iChamber-1);
d59b2ec3 539
540 AliMUONGeometryDetElement* detElement
b7ef3c96 541 = kGeometryModule->FindBySensitiveVolume(CurrentVolumePath());
d59b2ec3 542
543 Int_t detElemId = 0;
544 if (detElement) detElemId = detElement->GetUniqueID();
545
546 if (!detElemId) {
547 cerr << "Chamber id: "
548 << setw(3) << iChamber << " "
549 << "Current SV: "
550 << CurrentVolumePath()
551 << " detElemId: "
552 << setw(5) << detElemId
553 << endl;
554 Double_t x, y, z;
555 gMC->TrackPosition(x, y, z);
556 cerr << " global position: "
557 << x << ", " << y << ", " << z
558 << endl;
559 AliError("DetElemId not identified.");
560 }
561
562 // One hit per chamber
8690a0a6 563 GetMUONData()->AddHit2(fIshunt,
d59b2ec3 564 gAlice->GetMCApp()->GetCurrentTrackNumber(),
565 detElemId, ipart,
566 fTrackPosition.X(),
567 fTrackPosition.Y()+yAngleEffect,
568 fTrackPosition.Z(),
569 gMC->TrackTime(),
570 fTrackMomentum.P(),
571 theta,
572 phi,
573 fStepSum[idvol],
574 fDestepSum[idvol],
575 fTrackPosition.X(),
576 fTrackPosition.Y(),
577 fTrackPosition.Z());
578
5a0e88a7 579 // AliDebug(1,Form("Exit: Particle exiting from chamber %d",iChamber));
580 // AliDebug(1,Form("Exit: StepSum %f eloss geant %g ",fStepSum[idvol],fDestepSum[idvol]));
581 // AliDebug(1,Form("Exit: Track Position %f %f %f",fTrackPosition.X(),fTrackPosition.Y(),fTrackPosition.Z()) ;
582
d59b2ec3 583 fStepSum[idvol] =0; // Reset for the next event
584 fDestepSum[idvol]=0; // Reset for the next event
585 }
586}