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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" |
33 | #include "AliMUONFactory.h" | |
a9e2aefa | 34 | #include "AliMUONHit.h" |
8c449e83 | 35 | #include "AliMUONTriggerCircuit.h" |
d4bb94a1 | 36 | #include "AliMUONGeometryBuilder.h" |
333f7cda | 37 | #include "AliMUONGeometrySVMap.h" |
88cb7938 | 38 | #include "AliMagF.h" |
39 | #include "AliRun.h" | |
5d12ce38 | 40 | #include "AliMC.h" |
a9e2aefa | 41 | |
42 | ClassImp(AliMUONv1) | |
43 | ||
44 | //___________________________________________ | |
30178c30 | 45 | AliMUONv1::AliMUONv1() |
46 | : AliMUON(), | |
d4bb94a1 | 47 | fStepManagerVersionOld(kFALSE), |
48 | fAngleEffect(kTRUE), | |
49 | fStepMaxInActiveGas(0.6), | |
50 | fStepSum(0x0), | |
51 | fDestepSum(0x0), | |
52 | fTrackMomentum(), | |
53 | fTrackPosition(), | |
54 | fElossRatio(0x0), | |
55 | fAngleEffect10(0x0), | |
56 | fAngleEffectNorma(0x0) | |
a9e2aefa | 57 | { |
d4bb94a1 | 58 | // Default constructor |
1391e633 | 59 | } |
d4bb94a1 | 60 | |
a9e2aefa | 61 | //___________________________________________ |
62 | AliMUONv1::AliMUONv1(const char *name, const char *title) | |
d4bb94a1 | 63 | : AliMUON(name,title), |
64 | fStepManagerVersionOld(kFALSE), | |
65 | fAngleEffect(kTRUE), | |
66 | fStepMaxInActiveGas(0.6), | |
67 | fStepSum(0x0), | |
68 | fDestepSum(0x0), | |
69 | fTrackMomentum(), | |
70 | fTrackPosition(), | |
71 | fElossRatio(0x0), | |
72 | fAngleEffect10(0x0), | |
73 | fAngleEffectNorma(0x0) | |
a9e2aefa | 74 | { |
d4bb94a1 | 75 | // Standard onstructor |
76 | ||
ba030c0e | 77 | // By default include all stations |
ba030c0e | 78 | AliMUONFactory factory; |
79 | factory.Build(this, title); | |
c33d9661 | 80 | |
1391e633 | 81 | fStepSum = new Float_t [AliMUONConstants::NCh()]; |
82 | fDestepSum = new Float_t [AliMUONConstants::NCh()]; | |
83 | for (Int_t i=0; i<AliMUONConstants::NCh(); i++) { | |
84 | fStepSum[i] =0.0; | |
85 | fDestepSum[i]=0.0; | |
86 | } | |
87 | // Ratio of particle mean eloss with respect MIP's Khalil Boudjemline, sep 2003, PhD.Thesis and Particle Data Book | |
88 | fElossRatio = new TF1("ElossRatio","[0]+[1]*x+[2]*x*x+[3]*x*x*x+[4]*x*x*x*x",0.5,5.); | |
89 | fElossRatio->SetParameter(0,1.02138); | |
90 | fElossRatio->SetParameter(1,-9.54149e-02); | |
91 | fElossRatio->SetParameter(2,+7.83433e-02); | |
92 | fElossRatio->SetParameter(3,-9.98208e-03); | |
93 | fElossRatio->SetParameter(4,+3.83279e-04); | |
94 | ||
95 | // Angle effect in tracking chambers at theta =10 degres as a function of ElossRatio (Khalil BOUDJEMLINE sep 2003 Ph.D Thesis) (in micrometers) | |
96 | fAngleEffect10 = new TF1("AngleEffect10","[0]+[1]*x+[2]*x*x",0.5,3.0); | |
97 | fAngleEffect10->SetParameter(0, 1.90691e+02); | |
98 | fAngleEffect10->SetParameter(1,-6.62258e+01); | |
99 | fAngleEffect10->SetParameter(2,+1.28247e+01); | |
100 | // Angle effect: Normalisation form theta=10 degres to theta between 0 and 10 (Khalil BOUDJEMLINE sep 2003 Ph.D Thesis) | |
101 | // Angle with respect to the wires assuming that chambers are perpendicular to the z axis. | |
102 | fAngleEffectNorma = new TF1("AngleEffectNorma","[0]+[1]*x+[2]*x*x+[3]*x*x*x",0.0,10.0); | |
103 | fAngleEffectNorma->SetParameter(0,4.148); | |
104 | fAngleEffectNorma->SetParameter(1,-6.809e-01); | |
105 | fAngleEffectNorma->SetParameter(2,5.151e-02); | |
106 | fAngleEffectNorma->SetParameter(3,-1.490e-03); | |
a9e2aefa | 107 | } |
108 | ||
fb1bf5c0 | 109 | //_____________________________________________________________________________ |
110 | AliMUONv1::AliMUONv1(const AliMUONv1& right) | |
111 | : AliMUON(right) | |
112 | { | |
113 | // copy constructor (not implemented) | |
114 | ||
e516b01d | 115 | Fatal("AliMUONv1", "Copy constructor not provided."); |
fb1bf5c0 | 116 | } |
117 | ||
a9e2aefa | 118 | //___________________________________________ |
acc838fd | 119 | AliMUONv1::~AliMUONv1() |
a9e2aefa | 120 | { |
acc838fd | 121 | // Destructor |
a9e2aefa | 122 | |
d4bb94a1 | 123 | delete [] fStepSum; |
124 | delete [] fDestepSum; | |
125 | delete fElossRatio; | |
126 | delete fAngleEffect10; | |
127 | delete fAngleEffectNorma; | |
acc838fd | 128 | } |
b17c0c87 | 129 | |
fb1bf5c0 | 130 | //_____________________________________________________________________________ |
131 | AliMUONv1& AliMUONv1::operator=(const AliMUONv1& right) | |
132 | { | |
133 | // assignement operator (not implemented) | |
134 | ||
135 | // check assignement to self | |
136 | if (this == &right) return *this; | |
137 | ||
e516b01d | 138 | Fatal("operator =", "Assignement operator not provided."); |
fb1bf5c0 | 139 | |
140 | return *this; | |
141 | } | |
142 | ||
acc838fd | 143 | //__________________________________________________ |
144 | void AliMUONv1::CreateGeometry() | |
145 | { | |
b17c0c87 | 146 | // |
d4bb94a1 | 147 | // Construct geometry using geometry builder |
a9e2aefa | 148 | // |
a9e2aefa | 149 | |
d4bb94a1 | 150 | fGeometryBuilder->CreateGeometry(); |
acc838fd | 151 | } |
a9e2aefa | 152 | |
acc838fd | 153 | //________________________________________________________________ |
a9e2aefa | 154 | void AliMUONv1::CreateMaterials() |
155 | { | |
a9e2aefa | 156 | // |
d4bb94a1 | 157 | // Construct materials using geometry builder |
158 | // | |
acc838fd | 159 | |
d4bb94a1 | 160 | fGeometryBuilder->CreateMaterials(); |
a9e2aefa | 161 | } |
162 | ||
333f7cda | 163 | #include "AliMUONChamberGeometry.h" |
164 | #include "AliMUONGeometryTransformStore.h" | |
acc838fd | 165 | //___________________________________________ |
a9e2aefa | 166 | void AliMUONv1::Init() |
167 | { | |
168 | // | |
169 | // Initialize Tracking Chambers | |
170 | // | |
e516b01d | 171 | |
172 | if(fDebug) printf("\n%s: Start Init for version 1 - CPC chamber type\n\n",ClassName()); | |
e17592e9 | 173 | Int_t i; |
f665c1ea | 174 | for (i=0; i<AliMUONConstants::NCh(); i++) { |
a9e2aefa | 175 | ( (AliMUONChamber*) (*fChambers)[i])->Init(); |
176 | } | |
177 | ||
acc838fd | 178 | // |
d4bb94a1 | 179 | // Initialize geometry |
a9e2aefa | 180 | // |
d4bb94a1 | 181 | fGeometryBuilder->InitGeometry(); |
e516b01d | 182 | if(fDebug) printf("\n%s: Finished Init for version 1 - CPC chamber type\n",ClassName()); |
a9e2aefa | 183 | |
184 | //cp | |
e516b01d | 185 | if(fDebug) printf("\n%s: Start Init for Trigger Circuits\n",ClassName()); |
f665c1ea | 186 | for (i=0; i<AliMUONConstants::NTriggerCircuit(); i++) { |
a9e2aefa | 187 | ( (AliMUONTriggerCircuit*) (*fTriggerCircuits)[i])->Init(i); |
188 | } | |
e516b01d | 189 | if(fDebug) printf("%s: Finished Init for Trigger Circuits\n",ClassName()); |
a9e2aefa | 190 | //cp |
333f7cda | 191 | |
192 | // | |
193 | // Debug info | |
194 | // | |
195 | if (GetDebug() >1) { | |
196 | // Print transformations and SV map | |
197 | for (i=0; i<AliMUONConstants::NCh(); i++) { | |
198 | ||
199 | cout << "Chamber: " << i+1 << endl; | |
200 | cout << "===================" << endl; | |
201 | ||
202 | Chamber(i).GetGeometry() | |
203 | ->GetTransformStore()->Print(""); | |
204 | ||
205 | Chamber(i).GetGeometry() | |
206 | ->GetSVMap()->Print(""); | |
207 | } | |
208 | cout << endl; | |
209 | } | |
a9e2aefa | 210 | } |
1391e633 | 211 | |
d4bb94a1 | 212 | //__________________________________________________________________ |
213 | Int_t AliMUONv1::GetChamberId(Int_t volId) const | |
214 | { | |
215 | // Check if the volume with specified volId is a sensitive volume (gas) | |
216 | // of some chamber and returns the chamber number; | |
217 | // if not sensitive volume - return 0. | |
218 | // --- | |
219 | ||
220 | /* | |
221 | for (Int_t i = 1; i <= AliMUONConstants::NCh(); i++) | |
222 | if (volId==((AliMUONChamber*)(*fChambers)[i-1])->GetGid()) return i; | |
223 | */ | |
224 | for (Int_t i = 1; i <= AliMUONConstants::NCh(); i++) | |
225 | if ( ((AliMUONChamber*)(*fChambers)[i-1])->IsSensId(volId) ) return i; | |
226 | ||
227 | return 0; | |
228 | } | |
333f7cda | 229 | |
230 | //_______________________________________________________________________________ | |
231 | TString AliMUONv1::CurrentVolumePath() const | |
232 | { | |
233 | // Returns current volume path | |
234 | // (Could be removed when this function is available via gMC) | |
235 | // --- | |
236 | ||
237 | TString path = ""; | |
238 | TString name; | |
239 | Int_t copyNo; | |
240 | Int_t imother = 0; | |
241 | do { | |
242 | name = gMC->CurrentVolOffName(imother); | |
243 | gMC->CurrentVolOffID(imother++, copyNo); | |
244 | TString add = "/"; | |
245 | add += name; | |
246 | add += "."; | |
247 | add += copyNo; | |
248 | path.Insert(0,add); | |
249 | } | |
250 | while ( name != TString("ALIC") ); | |
251 | ||
252 | return path; | |
253 | } | |
254 | ||
1391e633 | 255 | //_______________________________________________________________________________ |
c33d9661 | 256 | void AliMUONv1::StepManager() |
257 | { | |
d7c4fbc4 | 258 | // Stepmanager for the chambers |
259 | ||
1391e633 | 260 | if (fStepManagerVersionOld) { |
c33d9661 | 261 | StepManagerOld(); |
262 | return; | |
263 | } | |
c33d9661 | 264 | |
265 | // Only charged tracks | |
333f7cda | 266 | if( !(gMC->TrackCharge()) && !(gMC->TrackPid()==0) ) return; |
1391e633 | 267 | // Only charged tracks |
268 | ||
c33d9661 | 269 | // Only gas gap inside chamber |
270 | // Tag chambers and record hits when track enters | |
acc838fd | 271 | static Int_t idvol=-1; |
1391e633 | 272 | Int_t iChamber=0; |
273 | Int_t id=0; | |
274 | Int_t copy; | |
275 | const Float_t kBig = 1.e10; | |
276 | ||
acc838fd | 277 | |
278 | // | |
279 | // Only gas gap inside chamber | |
280 | // Tag chambers and record hits when track enters | |
c33d9661 | 281 | id=gMC->CurrentVolID(copy); |
acc838fd | 282 | iChamber = GetChamberId(id); |
283 | idvol = iChamber -1; | |
284 | ||
285 | if (idvol == -1) return; | |
333f7cda | 286 | |
287 | if (GetDebug() > 1) { | |
288 | // Fill the global position of detection elements | |
289 | // Only for verification | |
290 | AliMUONGeometrySVMap* svMap | |
291 | = Chamber(iChamber-1).GetGeometry()->GetSVMap(); | |
292 | Double_t x, y, z; | |
293 | gMC->TrackPosition(x, y, z); | |
294 | svMap->AddPosition(CurrentVolumePath(), TGeoTranslation(x, y, z)); | |
295 | } | |
296 | ||
297 | if (gMC->TrackPid()==0) return; | |
abaf7c9d | 298 | |
967a2a25 | 299 | // Filling TrackRefs file for MUON. Our Track references are the active volume of the chambers |
300 | if ( (gMC->IsTrackEntering() || gMC->IsTrackExiting() ) ) | |
301 | AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber()); | |
302 | ||
1391e633 | 303 | if( gMC->IsTrackEntering() ) { |
304 | Float_t theta = fTrackMomentum.Theta(); | |
4ac9d21e | 305 | if ((TMath::Pi()-theta)*kRaddeg>=15.) gMC->SetMaxStep(fStepMaxInActiveGas); // We use Pi-theta because z is negative |
306 | } | |
abaf7c9d | 307 | |
1391e633 | 308 | // if (GetDebug()) { |
309 | // Float_t z = ( (AliMUONChamber*)(*fChambers)[idvol])->Z() ; | |
310 | // Info("StepManager Step","Active volume found %d chamber %d Z chamber is %f ",idvol,iChamber, z); | |
311 | // } | |
312 | // Particule id and mass, | |
313 | Int_t ipart = gMC->TrackPid(); | |
314 | Float_t mass = gMC->TrackMass(); | |
315 | ||
316 | fDestepSum[idvol]+=gMC->Edep(); | |
317 | // Get current particle id (ipart), track position (pos) and momentum (mom) | |
318 | if ( fStepSum[idvol]==0.0 ) gMC->TrackMomentum(fTrackMomentum); | |
319 | fStepSum[idvol]+=gMC->TrackStep(); | |
abaf7c9d | 320 | |
1391e633 | 321 | // if (GetDebug()) { |
322 | // Info("StepManager Step","iChamber %d, Particle %d, theta %f phi %f mass %f StepSum %f eloss %g", | |
333f7cda | 323 | // iChamber,ipart, fTrackMomentum.Theta()*kRaddeg, fTrackMomentum.Phi()*kRaddeg, mass, fStepSum[idvol], gMC->Edep());// Info("StepManager Step","Track Momentum %f %f %f", fTrackMomentum.X(), fTrackMomentum.Y(), fTrackMomentum.Z()) ; |
1391e633 | 324 | // gMC->TrackPosition(fTrackPosition); |
325 | // Info("StepManager Step","Track Position %f %f %f",fTrackPosition.X(),fTrackPosition.Y(),fTrackPosition.Z()) ; | |
d08aff2d | 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 ); | |
1391e633 | 345 | // if (GetDebug()) |
346 | // Info("StepManager Exit","Track Position %f %f %f",fTrackPosition.X(),fTrackPosition.Y(),fTrackPosition.Z()) ; | |
347 | // if (GetDebug()) | |
d7c4fbc4 | 348 | // Info("StepManager Exit ","Track backToWire %f %f %f",backToWire.X(),backToWire.Y(),backToWire.Z()) ; |
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 |
377 | AliMUONGeometryTransformStore* transforms | |
378 | = Chamber(iChamber-1).GetGeometry()->GetTransformStore(); | |
379 | const TGeoCombiTrans* kTransform | |
380 | = transforms->FindBySensitiveVolume(CurrentVolumePath()); | |
381 | ||
382 | Int_t detElemId = 0; | |
383 | if (kTransform) detElemId = kTransform->GetUniqueID(); | |
384 | ||
385 | if (!detElemId) { | |
386 | cerr << "Chamber id: " | |
387 | << setw(3) << iChamber << " " | |
388 | << "Current SV: " | |
389 | << CurrentVolumePath() | |
390 | << " detElemId: " | |
391 | << setw(5) << detElemId | |
392 | << endl; | |
393 | Double_t x, y, z; | |
394 | gMC->TrackPosition(x, y, z); | |
395 | cerr << " global position: " | |
396 | << x << ", " << y << ", " << z | |
397 | << endl; | |
e516b01d | 398 | Warning("StepManager", "DetElemId not identified."); |
333f7cda | 399 | } |
400 | ||
1391e633 | 401 | // One hit per chamber |
47464038 | 402 | GetMUONData()->AddHit(fIshunt, |
403 | gAlice->GetMCApp()->GetCurrentTrackNumber(), | |
404 | iChamber, ipart, | |
405 | fTrackPosition.X(), | |
406 | fTrackPosition.Y()+yAngleEffect, | |
407 | fTrackPosition.Z(), | |
408 | gMC->TrackTime(), | |
409 | fTrackMomentum.P(), | |
410 | theta, | |
411 | phi, | |
412 | fStepSum[idvol], | |
413 | fDestepSum[idvol], | |
414 | fTrackPosition.X(), | |
415 | fTrackPosition.Y(), | |
416 | fTrackPosition.Z()); | |
417 | ||
1391e633 | 418 | // if (GetDebug()){ |
419 | // Info("StepManager Exit","Particle exiting from chamber %d",iChamber); | |
420 | // Info("StepManager Exit","StepSum %f eloss geant %g ",fStepSum[idvol],fDestepSum[idvol]); | |
421 | // Info("StepManager Exit","Track Position %f %f %f",fTrackPosition.X(),fTrackPosition.Y(),fTrackPosition.Z()) ; | |
422 | // } | |
423 | fStepSum[idvol] =0; // Reset for the next event | |
424 | fDestepSum[idvol]=0; // Reset for the next event | |
425 | } | |
abaf7c9d | 426 | } |
5f91c9e8 | 427 | |
4ac9d21e | 428 | //__________________________________________ |
c33d9661 | 429 | void AliMUONv1::StepManagerOld() |
a9e2aefa | 430 | { |
d7c4fbc4 | 431 | // Old Stepmanager for the chambers |
a9e2aefa | 432 | Int_t copy, id; |
acc838fd | 433 | static Int_t idvol =-1; |
a9e2aefa | 434 | static Int_t vol[2]; |
435 | Int_t ipart; | |
436 | TLorentzVector pos; | |
437 | TLorentzVector mom; | |
438 | Float_t theta,phi; | |
439 | Float_t destep, step; | |
abaf7c9d | 440 | |
d7c4fbc4 | 441 | static Float_t sstep; |
1e8fff9c | 442 | static Float_t eloss, eloss2, xhit, yhit, zhit, tof, tlength; |
2eb55fab | 443 | const Float_t kBig = 1.e10; |
a9e2aefa | 444 | static Float_t hits[15]; |
445 | ||
446 | TClonesArray &lhits = *fHits; | |
447 | ||
448 | // | |
a9e2aefa | 449 | // |
450 | // Only charged tracks | |
451 | if( !(gMC->TrackCharge()) ) return; | |
452 | // | |
453 | // Only gas gap inside chamber | |
454 | // Tag chambers and record hits when track enters | |
a9e2aefa | 455 | id=gMC->CurrentVolID(copy); |
5f91c9e8 | 456 | vol[0] = GetChamberId(id); |
457 | idvol = vol[0] -1; | |
458 | ||
459 | if (idvol == -1) return; | |
460 | ||
a9e2aefa | 461 | // |
462 | // Get current particle id (ipart), track position (pos) and momentum (mom) | |
463 | gMC->TrackPosition(pos); | |
464 | gMC->TrackMomentum(mom); | |
465 | ||
466 | ipart = gMC->TrackPid(); | |
a9e2aefa | 467 | |
468 | // | |
469 | // momentum loss and steplength in last step | |
470 | destep = gMC->Edep(); | |
471 | step = gMC->TrackStep(); | |
abaf7c9d | 472 | // cout<<"------------"<<step<<endl; |
a9e2aefa | 473 | // |
474 | // record hits when track enters ... | |
475 | if( gMC->IsTrackEntering()) { | |
abaf7c9d | 476 | |
a9e2aefa | 477 | gMC->SetMaxStep(fMaxStepGas); |
478 | Double_t tc = mom[0]*mom[0]+mom[1]*mom[1]; | |
479 | Double_t rt = TMath::Sqrt(tc); | |
480 | Double_t pmom = TMath::Sqrt(tc+mom[2]*mom[2]); | |
2eb55fab | 481 | Double_t tx = mom[0]/pmom; |
482 | Double_t ty = mom[1]/pmom; | |
483 | Double_t tz = mom[2]/pmom; | |
484 | Double_t s = ((AliMUONChamber*)(*fChambers)[idvol]) | |
acc838fd | 485 | ->ResponseModel() |
486 | ->Pitch()/tz; | |
a9e2aefa | 487 | theta = Float_t(TMath::ATan2(rt,Double_t(mom[2])))*kRaddeg; |
488 | phi = Float_t(TMath::ATan2(Double_t(mom[1]),Double_t(mom[0])))*kRaddeg; | |
489 | hits[0] = Float_t(ipart); // Geant3 particle type | |
2eb55fab | 490 | hits[1] = pos[0]+s*tx; // X-position for hit |
491 | hits[2] = pos[1]+s*ty; // Y-position for hit | |
492 | hits[3] = pos[2]+s*tz; // Z-position for hit | |
a9e2aefa | 493 | hits[4] = theta; // theta angle of incidence |
494 | hits[5] = phi; // phi angle of incidence | |
ce3f5e87 | 495 | hits[8] = 0;//PadHits does not exist anymore (Float_t) fNPadHits; // first padhit |
a9e2aefa | 496 | hits[9] = -1; // last pad hit |
2eb55fab | 497 | hits[10] = mom[3]; // hit momentum P |
498 | hits[11] = mom[0]; // Px | |
499 | hits[12] = mom[1]; // Py | |
500 | hits[13] = mom[2]; // Pz | |
a9e2aefa | 501 | tof=gMC->TrackTime(); |
2eb55fab | 502 | hits[14] = tof; // Time of flight |
503 | tlength = 0; | |
504 | eloss = 0; | |
505 | eloss2 = 0; | |
d7c4fbc4 | 506 | sstep=0; |
2eb55fab | 507 | xhit = pos[0]; |
508 | yhit = pos[1]; | |
509 | zhit = pos[2]; | |
681d067b | 510 | Chamber(idvol).ChargeCorrelationInit(); |
a9e2aefa | 511 | // Only if not trigger chamber |
1e8fff9c | 512 | |
abaf7c9d | 513 | // printf("---------------------------\n"); |
514 | // printf(">>>> Y = %f \n",hits[2]); | |
515 | // printf("---------------------------\n"); | |
516 | ||
1e8fff9c | 517 | |
518 | ||
abaf7c9d | 519 | // if(idvol < AliMUONConstants::NTrackingCh()) { |
acc838fd | 520 | // // |
521 | // // Initialize hit position (cursor) in the segmentation model | |
522 | // ((AliMUONChamber*) (*fChambers)[idvol]) | |
523 | // ->SigGenInit(pos[0], pos[1], pos[2]); | |
abaf7c9d | 524 | // } else { |
acc838fd | 525 | // //geant3->Gpcxyz(); |
526 | // //printf("In the Trigger Chamber #%d\n",idvol-9); | |
abaf7c9d | 527 | // } |
a9e2aefa | 528 | } |
529 | eloss2+=destep; | |
d7c4fbc4 | 530 | sstep+=step; |
abaf7c9d | 531 | |
d7c4fbc4 | 532 | // cout<<sstep<<endl; |
abaf7c9d | 533 | |
a9e2aefa | 534 | // |
535 | // Calculate the charge induced on a pad (disintegration) in case | |
536 | // | |
537 | // Mip left chamber ... | |
538 | if( gMC->IsTrackExiting() || gMC->IsTrackStop() || gMC->IsTrackDisappeared()){ | |
539 | gMC->SetMaxStep(kBig); | |
540 | eloss += destep; | |
541 | tlength += step; | |
542 | ||
802a864d | 543 | Float_t x0,y0,z0; |
544 | Float_t localPos[3]; | |
545 | Float_t globalPos[3] = {pos[0], pos[1], pos[2]}; | |
802a864d | 546 | gMC->Gmtod(globalPos,localPos,1); |
547 | ||
2eb55fab | 548 | if(idvol < AliMUONConstants::NTrackingCh()) { |
a9e2aefa | 549 | // tracking chambers |
acc838fd | 550 | x0 = 0.5*(xhit+pos[0]); |
551 | y0 = 0.5*(yhit+pos[1]); | |
552 | z0 = 0.5*(zhit+pos[2]); | |
a9e2aefa | 553 | } else { |
554 | // trigger chambers | |
acc838fd | 555 | x0 = xhit; |
556 | y0 = yhit; | |
557 | z0 = 0.; | |
a9e2aefa | 558 | } |
559 | ||
1e8fff9c | 560 | |
ce3f5e87 | 561 | // if (eloss >0) MakePadHits(x0,y0,z0,eloss,tof,idvol); |
a9e2aefa | 562 | |
acc838fd | 563 | |
2eb55fab | 564 | hits[6] = tlength; // track length |
565 | hits[7] = eloss2; // de/dx energy loss | |
566 | ||
abaf7c9d | 567 | |
ce3f5e87 | 568 | // if (fNPadHits > (Int_t)hits[8]) { |
acc838fd | 569 | // hits[8] = hits[8]+1; |
570 | // hits[9] = 0: // PadHits does not exist anymore (Float_t) fNPadHits; | |
ce3f5e87 | 571 | //} |
2eb55fab | 572 | // |
573 | // new hit | |
574 | ||
a9e2aefa | 575 | new(lhits[fNhits++]) |
acc838fd | 576 | AliMUONHit(fIshunt, gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits); |
a9e2aefa | 577 | eloss = 0; |
578 | // | |
579 | // Check additional signal generation conditions | |
580 | // defined by the segmentation | |
a75f073c | 581 | // model (boundary crossing conditions) |
582 | // only for tracking chambers | |
a9e2aefa | 583 | } else if |
a75f073c | 584 | ((idvol < AliMUONConstants::NTrackingCh()) && |
585 | ((AliMUONChamber*) (*fChambers)[idvol])->SigGenCond(pos[0], pos[1], pos[2])) | |
a9e2aefa | 586 | { |
587 | ((AliMUONChamber*) (*fChambers)[idvol]) | |
acc838fd | 588 | ->SigGenInit(pos[0], pos[1], pos[2]); |
802a864d | 589 | |
590 | Float_t localPos[3]; | |
591 | Float_t globalPos[3] = {pos[0], pos[1], pos[2]}; | |
592 | gMC->Gmtod(globalPos,localPos,1); | |
593 | ||
e0f71fb7 | 594 | eloss += destep; |
802a864d | 595 | |
ce3f5e87 | 596 | // if (eloss > 0 && idvol < AliMUONConstants::NTrackingCh()) |
acc838fd | 597 | // MakePadHits(0.5*(xhit+pos[0]),0.5*(yhit+pos[1]),pos[2],eloss,tof,idvol); |
a9e2aefa | 598 | xhit = pos[0]; |
599 | yhit = pos[1]; | |
e0f71fb7 | 600 | zhit = pos[2]; |
601 | eloss = 0; | |
a9e2aefa | 602 | tlength += step ; |
603 | // | |
604 | // nothing special happened, add up energy loss | |
605 | } else { | |
606 | eloss += destep; | |
607 | tlength += step ; | |
608 | } | |
609 | } | |
333f7cda | 610 | |
611 | //______________________________________________________________________________ | |
612 | void AliMUONv1::FinishRun() | |
613 | { | |
614 | // Print debug info | |
615 | // --- | |
616 | ||
617 | if (GetDebug() <= 1) return; | |
618 | ||
619 | // Print the global positions of detection elements | |
620 | for (Int_t i=0; i<AliMUONConstants::NCh(); i++) { | |
621 | ||
622 | cout << "Chamber: " << i+1 << endl; | |
623 | cout << "===================" << endl; | |
624 | ||
625 | AliMUONGeometrySVMap* svMap | |
626 | = Chamber(i).GetGeometry()->GetSVMap(); | |
627 | ||
628 | svMap->SortPositions(); | |
629 | svMap->PrintPositions(); | |
630 | svMap->ClearPositions(); | |
631 | } | |
632 | cout << endl; | |
633 | } |