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4c039060 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
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 * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
88cb7938 | 15 | |
16 | /* $Id$ */ | |
17 | ||
e802be3e | 18 | //____________________________________________________________________ |
4347b38f | 19 | // |
37c4363a | 20 | // Forward Multiplicity Detector based on Silicon wafers. This class |
21 | // contains the base procedures for the Forward Multiplicity detector | |
1a1fdef7 | 22 | // Detector consists of 3 sub-detectors FMD1, FMD2, and FMD3, each of |
23 | // which has 1 or 2 rings of silicon sensors. | |
37c4363a | 24 | // |
25 | // This is the base class for all FMD manager classes. | |
26 | // | |
4347b38f | 27 | // The actual code is done by various separate classes. Below is |
28 | // diagram showing the relationship between the various FMD classes | |
1a1fdef7 | 29 | // that handles the simulation |
4347b38f | 30 | // |
31 | // | |
32 | // +----------+ +----------+ | |
1a1fdef7 | 33 | // | AliFMDv1 | | AliFMDv0 | |
4347b38f | 34 | // +----------+ +----------+ |
1a1fdef7 | 35 | // | | +-----------------+ |
36 | // +----+--------------+ +--| AliFMDDigitizer | | |
37 | // | | +-----------------+ | |
38 | // | +---------------------+ | | |
4ac75127 | 39 | // | +--| AliFMDBaseDigitizer |<--+ |
1a1fdef7 | 40 | // V 1 | +---------------------+ | |
41 | // +--------+<>--+ | +------------------+ | |
42 | // | AliFMD | +--| AliFMDSDigitizer | | |
43 | // +--------+<>--+ +------------------+ | |
4ac75127 | 44 | // 1 | +-----------------+ |
45 | // +--| AliFMDSimulator | | |
46 | // +-----------------+ | |
47 | // ^ | |
48 | // | | |
49 | // +-------------+-------------+ | |
50 | // | | | |
51 | // +--------------------+ +-------------------+ | |
52 | // | AliFMDGeoSimulator | | AliFMDG3Simulator | | |
53 | // +--------------------+ +-------------------+ | |
54 | // ^ ^ | |
55 | // | | | |
56 | // +-----------------------+ +----------------------+ | |
57 | // | AliFMDGeoOldSimulator | | AliFMDG3OldSimulator | | |
58 | // +-----------------------+ +----------------------+ | |
4347b38f | 59 | // |
60 | // | |
61 | // * AliFMD | |
62 | // This defines the interface for the various parts of AliROOT that | |
1a1fdef7 | 63 | // uses the FMD, like AliFMDSimulator, AliFMDDigitizer, |
64 | // AliFMDReconstructor, and so on. | |
65 | // | |
66 | // * AliFMDv0 | |
67 | // This is a concrete implementation of the AliFMD interface. | |
68 | // It is the responsibility of this class to create the FMD | |
69 | // geometry. | |
4347b38f | 70 | // |
71 | // * AliFMDv1 | |
72 | // This is a concrete implementation of the AliFMD interface. | |
73 | // It is the responsibility of this class to create the FMD | |
74 | // geometry, process hits in the FMD, and serve hits and digits to | |
75 | // the various clients. | |
76 | // | |
1a1fdef7 | 77 | // * AliFMDSimulator |
78 | // This is the base class for the FMD simulation tasks. The | |
79 | // simulator tasks are responsible to implment the geoemtry, and | |
80 | // process hits. | |
4347b38f | 81 | // |
1a1fdef7 | 82 | // * AliFMDGeoSimulator |
83 | // This is a concrete implementation of the AliFMDSimulator that | |
84 | // uses the TGeo classes directly only. | |
37c4363a | 85 | // |
1a1fdef7 | 86 | // * AliFMDG3Simulator |
87 | // This is a concrete implementation of the AliFMDSimulator that | |
88 | // uses the TVirtualMC interface with GEANT 3.21-like messages. | |
37c4363a | 89 | // |
fe4da5cc | 90 | |
56b1929b | 91 | // These files are not in the same directory, so there's no reason to |
92 | // ask the preprocessor to search in the current directory for these | |
93 | // files by including them with `#include "..."' | |
1a1fdef7 | 94 | #include <math.h> // __CMATH__ |
56b1929b | 95 | #include <TClonesArray.h> // ROOT_TClonesArray |
96 | #include <TGeometry.h> // ROOT_TGeomtry | |
97 | #include <TNode.h> // ROOT_TNode | |
1a1fdef7 | 98 | #include <TXTRU.h> // ROOT_TXTRU |
99 | #include <TRotMatrix.h> // ROOT_TRotMatrix | |
56b1929b | 100 | #include <TTUBE.h> // ROOT_TTUBE |
101 | #include <TTree.h> // ROOT_TTree | |
56b1929b | 102 | #include <TBrowser.h> // ROOT_TBrowser |
103 | #include <TMath.h> // ROOT_TMath | |
1a1fdef7 | 104 | #include <TVirtualMC.h> // ROOT_TVirtualMC |
bf000c32 | 105 | #include <TVector2.h> |
106 | #include <TVector3.h> | |
107 | #include <TMarker3DBox.h> | |
56b1929b | 108 | |
109 | #include <AliRunDigitizer.h> // ALIRUNDIGITIZER_H | |
110 | #include <AliLoader.h> // ALILOADER_H | |
111 | #include <AliRun.h> // ALIRUN_H | |
112 | #include <AliMC.h> // ALIMC_H | |
54e415a8 | 113 | #include "AliMagF.h" // ALIMAGF_H |
56b1929b | 114 | #include <AliLog.h> // ALILOG_H |
e802be3e | 115 | #include "AliFMD.h" // ALIFMD_H |
116 | #include "AliFMDDigit.h" // ALIFMDDIGIG_H | |
117 | #include "AliFMDHit.h" // ALIFMDHIT_H | |
1a1fdef7 | 118 | #include "AliFMDGeometry.h" // ALIFMDGEOMETRY_H |
119 | #include "AliFMDDetector.h" // ALIFMDDETECTOR_H | |
120 | #include "AliFMDRing.h" // ALIFMDRING_H | |
e802be3e | 121 | #include "AliFMDDigitizer.h" // ALIFMDDIGITIZER_H |
bf000c32 | 122 | #include "AliPoints.h" // ALIPOINTS_H |
123 | #include "AliFMDGeometryBuilder.h" | |
e802be3e | 124 | #include "AliFMDRawWriter.h" // ALIFMDRAWWRITER_H |
bf000c32 | 125 | |
126 | ||
127 | class AliFMDPoints : public AliPoints | |
128 | { | |
129 | public: | |
130 | AliFMDPoints(AliFMDHit* hit, UInt_t color) | |
131 | : AliPoints(1), fMarker(0) | |
132 | { | |
133 | if (!hit) return; | |
134 | Float_t size = TMath::Min(TMath::Max(hit->Edep() * .1, .1), 1.); | |
135 | TVector3 p(hit->Px(), hit->Py(), hit->Pz()); | |
136 | fMarker = new TMarker3DBox(hit->X(), hit->Y(), hit->Z(), size, size, size, | |
137 | p.Theta(), p.Phi()); | |
138 | fMarker->SetLineColor(color); | |
139 | fMarker->SetRefObject(this); | |
140 | fP[0] = hit->X(); | |
141 | fP[1] = hit->Y(); | |
142 | fP[2] = hit->Z(); | |
143 | } | |
144 | ~AliFMDPoints() | |
145 | { | |
146 | // if (fMarker) delete fMarker; | |
147 | } | |
148 | void SetXYZ(Double_t x, Double_t y, Double_t z) | |
149 | { | |
150 | if (fMarker) fMarker->SetPosition(x, y, z); | |
151 | } | |
152 | Int_t DistancetoPrimitive(Int_t px, Int_t py) | |
153 | { | |
154 | return fMarker->DistancetoPrimitive(px, py); | |
155 | } | |
156 | void Draw(Option_t* option) | |
157 | { | |
158 | if (fMarker) fMarker->Draw(option); | |
159 | } | |
160 | void Paint(Option_t* option) | |
161 | { | |
162 | if (fMarker) fMarker->Paint(option); | |
163 | } | |
164 | void SetMarkerColor(Color_t colour) | |
165 | { | |
166 | if (fMarker) fMarker->SetLineColor(colour); | |
167 | } | |
168 | private: | |
169 | TMarker3DBox* fMarker; | |
170 | }; | |
171 | ||
88cb7938 | 172 | |
4347b38f | 173 | //____________________________________________________________________ |
925e6570 | 174 | ClassImp(AliFMD) |
1a1fdef7 | 175 | #if 0 |
176 | ; // This is to keep Emacs from indenting the next line | |
177 | #endif | |
7e54281f | 178 | |
4347b38f | 179 | //____________________________________________________________________ |
180 | AliFMD::AliFMD() | |
90da4514 | 181 | : AliDetector(), |
182 | fSDigits(0), | |
afddaa11 | 183 | fNsdigits(0), |
1a1fdef7 | 184 | fDetailed(kTRUE), |
54e415a8 | 185 | fBad(0) |
fe4da5cc | 186 | { |
187 | // | |
188 | // Default constructor for class AliFMD | |
189 | // | |
1a1fdef7 | 190 | AliDebug(10, "\tDefault CTOR"); |
4ac75127 | 191 | fHits = 0; |
192 | fDigits = 0; | |
193 | fIshunt = 0; | |
194 | fUseOld = kFALSE; | |
54e415a8 | 195 | fUseAssembly = kTRUE; |
196 | fBad = new TClonesArray("AliFMDHit"); | |
fe4da5cc | 197 | } |
dc8af42e | 198 | |
56b1929b | 199 | //____________________________________________________________________ |
200 | AliFMD::AliFMD(const AliFMD& other) | |
201 | : AliDetector(other), | |
56b1929b | 202 | fSDigits(other.fSDigits), |
203 | fNsdigits(other.fNsdigits), | |
1a1fdef7 | 204 | fDetailed(other.fDetailed), |
54e415a8 | 205 | fBad(other.fBad) |
56b1929b | 206 | { |
207 | // Copy constructor | |
4ac75127 | 208 | fUseOld = other.fUseOld; |
4ac75127 | 209 | fUseAssembly = other.fUseAssembly; |
56b1929b | 210 | } |
211 | ||
4347b38f | 212 | //____________________________________________________________________ |
1a1fdef7 | 213 | AliFMD::AliFMD(const char *name, const char *title) |
4347b38f | 214 | : AliDetector (name, title), |
afddaa11 | 215 | fSDigits(0), |
216 | fNsdigits(0), | |
1a1fdef7 | 217 | fDetailed(kTRUE), |
54e415a8 | 218 | fBad(0) |
fe4da5cc | 219 | { |
220 | // | |
221 | // Standard constructor for Forward Multiplicity Detector | |
222 | // | |
1a1fdef7 | 223 | AliDebug(10, "\tStandard CTOR"); |
4ac75127 | 224 | fUseOld = kFALSE; |
4ac75127 | 225 | fUseAssembly = kFALSE; |
54e415a8 | 226 | fBad = new TClonesArray("AliFMDHit"); |
54240c8d | 227 | |
fe4da5cc | 228 | // Initialise Hit array |
4347b38f | 229 | HitsArray(); |
230 | gAlice->GetMCApp()->AddHitList(fHits); | |
d1280e40 | 231 | |
4347b38f | 232 | // (S)Digits for the detectors disk |
233 | DigitsArray(); | |
234 | SDigitsArray(); | |
235 | ||
236 | // CHC: What is this? | |
dc8af42e | 237 | fIshunt = 0; |
4347b38f | 238 | SetMarkerColor(kRed); |
239 | SetLineColor(kYellow); | |
fe4da5cc | 240 | } |
d28dcc0d | 241 | |
4347b38f | 242 | //____________________________________________________________________ |
dc8af42e | 243 | AliFMD::~AliFMD () |
d28dcc0d | 244 | { |
4347b38f | 245 | // Destructor for base class AliFMD |
246 | if (fHits) { | |
247 | fHits->Delete(); | |
248 | delete fHits; | |
249 | fHits = 0; | |
250 | } | |
251 | if (fDigits) { | |
252 | fDigits->Delete(); | |
253 | delete fDigits; | |
254 | fDigits = 0; | |
255 | } | |
256 | if (fSDigits) { | |
257 | fSDigits->Delete(); | |
258 | delete fSDigits; | |
259 | fSDigits = 0; | |
260 | } | |
54e415a8 | 261 | if (fBad) { |
262 | fBad->Delete(); | |
263 | delete fBad; | |
264 | fBad = 0; | |
265 | } | |
4347b38f | 266 | } |
267 | ||
56b1929b | 268 | //____________________________________________________________________ |
269 | AliFMD& | |
270 | AliFMD::operator=(const AliFMD& other) | |
271 | { | |
088f8e79 | 272 | // Assignment operator |
56b1929b | 273 | AliDetector::operator=(other); |
56b1929b | 274 | fSDigits = other.fSDigits; |
275 | fNsdigits = other.fNsdigits; | |
1a1fdef7 | 276 | fDetailed = other.fDetailed; |
54e415a8 | 277 | fBad = other.fBad; |
56b1929b | 278 | return *this; |
279 | } | |
280 | ||
4347b38f | 281 | //==================================================================== |
282 | // | |
283 | // GEometry ANd Traking | |
284 | // | |
285 | //____________________________________________________________________ | |
286 | void | |
287 | AliFMD::CreateGeometry() | |
288 | { | |
4347b38f | 289 | // |
37c4363a | 290 | // Create the geometry of Forward Multiplicity Detector. The actual |
291 | // construction of the geometry is delegated to the class AliFMDRing | |
292 | // and AliFMDSubDetector and the relevant derived classes. | |
293 | // | |
294 | // The flow of this member function is: | |
295 | // | |
296 | // FOR rings fInner and fOuter DO | |
297 | // AliFMDRing::Init(); | |
298 | // END FOR | |
299 | // | |
300 | // Set up hybrud card support (leg) volume shapes | |
301 | // | |
302 | // FOR rings fInner and fOuter DO | |
303 | // AliFMDRing::SetupGeometry(); | |
304 | // END FOR | |
305 | // | |
306 | // FOR subdetectors fFMD1, fFMD2, and fFMD3 DO | |
307 | // AliFMDSubDetector::SetupGeomtry(); | |
308 | // END FOR | |
309 | // | |
310 | // FOR subdetectors fFMD1, fFMD2, and fFMD3 DO | |
311 | // AliFMDSubDetector::Geomtry(); | |
312 | // END FOR | |
1a1fdef7 | 313 | // |
54e415a8 | 314 | AliFMDGeometry* fmd = AliFMDGeometry::Instance(); |
54e415a8 | 315 | fmd->SetDetailed(fDetailed); |
316 | fmd->UseAssembly(fUseAssembly); | |
317 | fmd->Build(); | |
4347b38f | 318 | } |
319 | ||
320 | //____________________________________________________________________ | |
321 | void AliFMD::CreateMaterials() | |
322 | { | |
54e415a8 | 323 | // Define the materials and tracking mediums needed by the FMD |
324 | // simulation. These mediums are made by sending the messages | |
325 | // AliMaterial, AliMixture, and AliMedium to the passed AliModule | |
326 | // object module. The defined mediums are | |
4347b38f | 327 | // |
54e415a8 | 328 | // FMD Si$ Silicon (active medium in sensors) |
329 | // FMD C$ Carbon fibre (support cone for FMD3 and vacuum pipe) | |
330 | // FMD Al$ Aluminium (honeycomb support plates) | |
331 | // FMD PCB$ Printed Circuit Board (FEE board with VA1_3) | |
332 | // FMD Chip$ Electronics chips (currently not used) | |
333 | // FMD Air$ Air (Air in the FMD) | |
334 | // FMD Plastic$ Plastic (Support legs for the hybrid cards) | |
335 | // | |
336 | // Pointers to TGeoMedium objects are retrived from the TGeoManager | |
337 | // singleton. These pointers are later used when setting up the | |
338 | // geometry | |
339 | AliDebug(10, "\tCreating materials"); | |
340 | // Get pointer to geometry singleton object. | |
341 | AliFMDGeometry* geometry = AliFMDGeometry::Instance(); | |
342 | geometry->Init(); | |
343 | #if 0 | |
344 | if (gGeoManager && gGeoManager->GetMedium("FMD Si$")) { | |
345 | // We need to figure out the some stuff about the geometry | |
346 | fmd->ExtractGeomInfo(); | |
347 | return; | |
348 | } | |
349 | #endif | |
54e415a8 | 350 | Int_t id; |
351 | Double_t a = 0; | |
352 | Double_t z = 0; | |
353 | Double_t density = 0; | |
354 | Double_t radiationLength = 0; | |
355 | Double_t absorbtionLength = 999; | |
356 | Int_t fieldType = gAlice->Field()->Integ(); // Field type | |
357 | Double_t maxField = gAlice->Field()->Max(); // Field max. | |
358 | Double_t maxBending = 0; // Max Angle | |
359 | Double_t maxStepSize = 0.001; // Max step size | |
360 | Double_t maxEnergyLoss = 1; // Max Delta E | |
361 | Double_t precision = 0.001; // Precision | |
362 | Double_t minStepSize = 0.001; // Minimum step size | |
363 | ||
364 | // Silicon | |
365 | a = 28.0855; | |
366 | z = 14.; | |
367 | density = geometry->GetSiDensity(); | |
368 | radiationLength = 9.36; | |
369 | maxBending = 1; | |
370 | maxStepSize = .001; | |
371 | precision = .001; | |
372 | minStepSize = .001; | |
373 | id = kSiId; | |
374 | AliMaterial(id, "Si$", a, z, density, radiationLength, absorbtionLength); | |
375 | AliMedium(kSiId, "Si$", id,1,fieldType,maxField,maxBending, | |
376 | maxStepSize,maxEnergyLoss,precision,minStepSize); | |
377 | ||
378 | ||
379 | // Carbon | |
380 | a = 12.011; | |
381 | z = 6.; | |
382 | density = 2.265; | |
383 | radiationLength = 18.8; | |
384 | maxBending = 10; | |
385 | maxStepSize = .01; | |
386 | precision = .003; | |
387 | minStepSize = .003; | |
388 | id = kCarbonId; | |
389 | AliMaterial(id, "Carbon$", a, z, density, radiationLength, absorbtionLength); | |
390 | AliMedium(kCarbonId, "Carbon$", id,0,fieldType,maxField,maxBending, | |
391 | maxStepSize,maxEnergyLoss,precision,minStepSize); | |
392 | ||
393 | // Aluminum | |
394 | a = 26.981539; | |
395 | z = 13.; | |
396 | density = 2.7; | |
397 | radiationLength = 8.9; | |
398 | id = kAlId; | |
399 | AliMaterial(id, "Aluminum$",a,z, density, radiationLength, absorbtionLength); | |
400 | AliMedium(kAlId, "Aluminum$", id, 0, fieldType, maxField, maxBending, | |
401 | maxStepSize, maxEnergyLoss, precision, minStepSize); | |
402 | ||
403 | ||
404 | // Copper | |
405 | a = 63.546; | |
406 | z = 29; | |
407 | density = 8.96; | |
408 | radiationLength = 1.43; | |
409 | id = kCopperId; | |
410 | AliMaterial(id, "Copper$", | |
411 | a, z, density, radiationLength, absorbtionLength); | |
412 | AliMedium(kCopperId, "Copper$", id, 0, fieldType, maxField, maxBending, | |
413 | maxStepSize, maxEnergyLoss, precision, minStepSize); | |
414 | ||
415 | ||
416 | // Silicon chip | |
417 | { | |
418 | Float_t as[] = { 12.0107, 14.0067, 15.9994, | |
419 | 1.00794, 28.0855, 107.8682 }; | |
420 | Float_t zs[] = { 6., 7., 8., | |
421 | 1., 14., 47. }; | |
422 | Float_t ws[] = { 0.039730642, 0.001396798, 0.01169634, | |
423 | 0.004367771, 0.844665, 0.09814344903 }; | |
424 | density = 2.36436; | |
425 | maxBending = 10; | |
426 | maxStepSize = .01; | |
427 | precision = .003; | |
428 | minStepSize = .003; | |
429 | id = kSiChipId; | |
430 | AliMixture(id, "Si Chip$", as, zs, density, 6, ws); | |
431 | AliMedium(kSiChipId, "Si Chip$", id, 0, fieldType, maxField, maxBending, | |
432 | maxStepSize, maxEnergyLoss, precision, minStepSize); | |
433 | } | |
434 | ||
435 | // Kaption | |
436 | { | |
437 | Float_t as[] = { 1.00794, 12.0107, 14.010, 15.9994}; | |
438 | Float_t zs[] = { 1., 6., 7., 8.}; | |
439 | Float_t ws[] = { 0.026362, 0.69113, 0.07327, 0.209235}; | |
440 | density = 1.42; | |
441 | maxBending = 1; | |
442 | maxStepSize = .001; | |
443 | precision = .001; | |
444 | minStepSize = .001; | |
445 | id = kKaptonId; | |
446 | AliMixture(id, "Kaption$", as, zs, density, 4, ws); | |
447 | AliMedium(kKaptonId, "Kaption$", id,0,fieldType,maxField,maxBending, | |
448 | maxStepSize,maxEnergyLoss,precision,minStepSize); | |
449 | } | |
450 | ||
451 | // Air | |
452 | { | |
453 | Float_t as[] = { 12.0107, 14.0067, 15.9994, 39.948 }; | |
454 | Float_t zs[] = { 6., 7., 8., 18. }; | |
455 | Float_t ws[] = { 0.000124, 0.755267, 0.231781, 0.012827 }; | |
456 | density = .00120479; | |
457 | maxBending = 1; | |
458 | maxStepSize = .001; | |
459 | precision = .001; | |
460 | minStepSize = .001; | |
461 | id = kAirId; | |
462 | AliMixture(id, "Air$", as, zs, density, 4, ws); | |
463 | AliMedium(kAirId, "Air$", id,0,fieldType,maxField,maxBending, | |
464 | maxStepSize,maxEnergyLoss,precision,minStepSize); | |
465 | } | |
466 | ||
467 | // PCB | |
468 | { | |
469 | Float_t zs[] = { 14., 20., 13., 12., | |
470 | 5., 22., 11., 19., | |
471 | 26., 9., 8., 6., | |
472 | 7., 1.}; | |
473 | Float_t as[] = { 28.0855, 40.078, 26.981538, 24.305, | |
474 | 10.811, 47.867, 22.98977, 39.0983, | |
475 | 55.845, 18.9984, 15.9994, 12.0107, | |
476 | 14.0067, 1.00794}; | |
477 | Float_t ws[] = { 0.15144894, 0.08147477, 0.04128158, 0.00904554, | |
478 | 0.01397570, 0.00287685, 0.00445114, 0.00498089, | |
479 | 0.00209828, 0.00420000, 0.36043788, 0.27529426, | |
480 | 0.01415852, 0.03427566}; | |
481 | density = 1.8; | |
482 | maxBending = 1; | |
483 | maxStepSize = .001; | |
484 | precision = .001; | |
485 | minStepSize = .001; | |
486 | id = kPcbId; | |
487 | AliMixture(id, "PCB$", as, zs, density, 14, ws); | |
488 | AliMedium(kPcbId, "PCB$", id,0,fieldType,maxField,maxBending, | |
489 | maxStepSize,maxEnergyLoss,precision,minStepSize); | |
490 | } | |
491 | ||
492 | // Plastic | |
493 | { | |
494 | Float_t as[] = { 1.01, 12.01 }; | |
495 | Float_t zs[] = { 1., 6. }; | |
496 | Float_t ws[] = { 1., 1. }; | |
497 | density = 1.03; | |
498 | maxBending = 10; | |
499 | maxStepSize = .01; | |
500 | precision = .003; | |
501 | minStepSize = .003; | |
502 | id = kPlasticId; | |
503 | AliMixture(id, "Plastic$", as, zs, density, -2, ws); | |
504 | AliMedium(kPlasticId, "Plastic$", id,0,fieldType,maxField,maxBending, | |
505 | maxStepSize,maxEnergyLoss,precision,minStepSize); | |
506 | } | |
d28dcc0d | 507 | } |
dc8af42e | 508 | |
4347b38f | 509 | //____________________________________________________________________ |
510 | void | |
511 | AliFMD::Init() | |
bf000c32 | 512 | { |
513 | AliDebug(1, "Initialising FMD detector object"); | |
514 | AliFMDGeometry* fmd = AliFMDGeometry::Instance(); | |
515 | fmd->InitTransformations(); | |
516 | } | |
dc8af42e | 517 | |
54240c8d | 518 | //____________________________________________________________________ |
519 | void | |
520 | AliFMD::FinishEvent() | |
521 | { | |
bf000c32 | 522 | if (AliLog::GetDebugLevel("FMD", "AliFMD") < 10) return; |
54e415a8 | 523 | if (fBad && fBad->GetEntries() > 0) { |
524 | AliWarning((Form("EndEvent", "got %d 'bad' hits", fBad->GetEntries()))); | |
525 | TIter next(fBad); | |
526 | AliFMDHit* hit; | |
bf000c32 | 527 | while ((hit = static_cast<AliFMDHit*>(next()))) hit->Print("D"); |
54e415a8 | 528 | fBad->Clear(); |
529 | } | |
54240c8d | 530 | } |
531 | ||
532 | ||
4347b38f | 533 | //==================================================================== |
534 | // | |
535 | // Graphics and event display | |
536 | // | |
537 | //____________________________________________________________________ | |
538 | void | |
539 | AliFMD::BuildGeometry() | |
b9a2d5e4 | 540 | { |
4347b38f | 541 | // |
542 | // Build simple ROOT TNode geometry for event display | |
543 | // | |
544 | // Build a simplified geometry of the FMD used for event display | |
545 | // | |
37c4363a | 546 | // The actual building of the TNodes is done by |
547 | // AliFMDSubDetector::SimpleGeometry. | |
824466d5 | 548 | AliDebug(10, "\tCreating a simplified geometry"); |
b9a2d5e4 | 549 | |
1a1fdef7 | 550 | AliFMDGeometry* fmd = AliFMDGeometry::Instance(); |
551 | ||
552 | static TXTRU* innerShape = 0; | |
553 | static TXTRU* outerShape = 0; | |
554 | static TObjArray* innerRot = 0; | |
555 | static TObjArray* outerRot = 0; | |
556 | ||
557 | if (!innerShape || !outerShape) { | |
558 | // Make the shapes for the modules | |
559 | for (Int_t i = 0; i < 2; i++) { | |
560 | AliFMDRing* r = 0; | |
561 | switch (i) { | |
562 | case 0: r = fmd->GetRing('I'); break; | |
563 | case 1: r = fmd->GetRing('O'); break; | |
564 | } | |
565 | if (!r) { | |
566 | AliError(Form("no ring found for i=%d", i)); | |
567 | return; | |
568 | } | |
569 | Double_t siThick = r->GetSiThickness(); | |
570 | const Int_t nv = r->GetNVerticies(); | |
571 | Double_t theta = r->GetTheta(); | |
572 | Int_t nmod = r->GetNModules(); | |
573 | ||
574 | TXTRU* shape = new TXTRU(r->GetName(), r->GetTitle(), "void", nv, 2); | |
575 | for (Int_t j = 0; j < nv; j++) { | |
576 | TVector2* vv = r->GetVertex(nv - 1 - j); | |
577 | shape->DefineVertex(j, vv->X(), vv->Y()); | |
578 | } | |
579 | shape->DefineSection(0, -siThick / 2, 1, 0, 0); | |
580 | shape->DefineSection(1, +siThick / 2, 1, 0, 0); | |
581 | shape->SetLineColor(GetLineColor()); | |
582 | ||
583 | TObjArray* rots = new TObjArray(nmod); | |
584 | for (Int_t j = 0; j < nmod; j++) { | |
585 | Double_t th = (j + .5) * theta * 2; | |
586 | TString name(Form("FMD_ring_%c_rot_%02d", r->GetId(), j)); | |
587 | TString title(Form("FMD Ring %c Rotation # %d", r->GetId(), j)); | |
588 | TRotMatrix* rot = new TRotMatrix(name.Data(), title.Data(), | |
589 | 90, th, 90, fmod(90+th,360), 0, 0); | |
590 | rots->AddAt(rot, j); | |
591 | } | |
592 | ||
593 | switch (r->GetId()) { | |
594 | case 'i': | |
595 | case 'I': innerShape = shape; innerRot = rots; break; | |
596 | case 'o': | |
597 | case 'O': outerShape = shape; outerRot = rots; break; | |
598 | } | |
599 | } | |
600 | } | |
601 | ||
4347b38f | 602 | TNode* top = gAlice->GetGeometry()->GetNode("alice"); |
603 | ||
1a1fdef7 | 604 | for (Int_t i = 1; i <= 3; i++) { |
605 | AliFMDDetector* det = fmd->GetDetector(i); | |
606 | if (!det) { | |
607 | Warning("BuildGeometry", "FMD%d seems to be disabled", i); | |
608 | continue; | |
609 | } | |
610 | Double_t w = 0; | |
611 | Double_t rh = det->GetRing('I')->GetHighR(); | |
612 | Char_t id = 'I'; | |
613 | if (det->GetRing('O')) { | |
614 | w = TMath::Abs(det->GetRingZ('O') - det->GetRingZ('I')); | |
615 | id = (TMath::Abs(det->GetRingZ('O')) | |
616 | > TMath::Abs(det->GetRingZ('I')) ? 'O' : 'I'); | |
617 | rh = det->GetRing('O')->GetHighR(); | |
618 | } | |
619 | w += (det->GetRing(id)->GetModuleSpacing() + | |
620 | det->GetRing(id)->GetSiThickness()); | |
621 | TShape* shape = new TTUBE(det->GetName(), det->GetTitle(), "void", | |
622 | det->GetRing('I')->GetLowR(), rh, w / 2); | |
623 | Double_t z = (det->GetRingZ('I') - w / 2); | |
624 | if (z > 0) z += det->GetRing(id)->GetModuleSpacing(); | |
625 | top->cd(); | |
626 | TNode* node = new TNode(det->GetName(), det->GetTitle(), shape, | |
627 | 0, 0, z, 0); | |
628 | fNodes->Add(node); | |
629 | ||
630 | for (Int_t j = 0; j < 2; j++) { | |
631 | AliFMDRing* r = 0; | |
632 | TShape* rshape = 0; | |
633 | TObjArray* rots = 0; | |
634 | switch (j) { | |
635 | case 0: | |
636 | r = det->GetRing('I'); rshape = innerShape; rots = innerRot; break; | |
637 | case 1: | |
638 | r = det->GetRing('O'); rshape = outerShape; rots = outerRot; break; | |
639 | } | |
640 | if (!r) continue; | |
641 | ||
642 | Double_t siThick = r->GetSiThickness(); | |
643 | Int_t nmod = r->GetNModules(); | |
644 | Double_t modspace = r->GetModuleSpacing(); | |
645 | Double_t rz = - (z - det->GetRingZ(r->GetId())); | |
646 | ||
647 | for (Int_t k = 0; k < nmod; k++) { | |
648 | node->cd(); | |
649 | Double_t offz = (k % 2 == 1 ? modspace : 0); | |
650 | TRotMatrix* rot = static_cast<TRotMatrix*>(rots->At(k)); | |
651 | TString name(Form("%s%c_module_%02d", det->GetName(), r->GetId(),k)); | |
652 | TString title(Form("%s%c Module %d", det->GetName(), r->GetId(),k)); | |
653 | TNode* mnod = new TNode(name.Data(), title.Data(), rshape, | |
654 | 0, 0, rz - siThick / 2 | |
655 | + TMath::Sign(offz,z), rot); | |
656 | mnod->SetLineColor(GetLineColor()); | |
657 | fNodes->Add(mnod); | |
658 | } // for (Int_t k = 0 ; ...) | |
659 | } // for (Int_t j = 0 ; ...) | |
660 | } // for (Int_t i = 1 ; ...) | |
37c55dc0 | 661 | } |
88cb7938 | 662 | |
bf000c32 | 663 | //____________________________________________________________________ |
664 | void | |
665 | AliFMD::LoadPoints(Int_t /* track */) | |
666 | { | |
667 | // | |
668 | // Store x, y, z of all hits in memory | |
669 | // | |
670 | if (!fHits) { | |
671 | AliError(Form("fHits == 0. Name is %s",GetName())); | |
672 | return; | |
673 | } | |
674 | Int_t nHits = fHits->GetEntriesFast(); | |
675 | if (nHits == 0) { | |
676 | return; | |
677 | } | |
678 | Int_t tracks = gAlice->GetMCApp()->GetNtrack(); | |
679 | if (fPoints == 0) fPoints = new TObjArray(2 * tracks); | |
680 | ||
681 | // Get geometry | |
682 | AliFMDGeometry* geom = AliFMDGeometry::Instance(); | |
683 | geom->Init(); | |
684 | geom->InitTransformations(); | |
685 | ||
686 | // Now make markers for each hit | |
687 | // AliInfo(Form("Drawing %d hits (have %d points) for track %d", | |
688 | // nHits, fPoints->GetEntriesFast(), track)); | |
689 | for (Int_t ihit = 0; ihit < nHits; ihit++) { | |
690 | AliFMDHit* hit = static_cast<AliFMDHit*>(fHits->At(ihit)); | |
691 | if (!hit) continue; | |
692 | Double_t edep = hit->Edep(); | |
693 | Double_t m = hit->M(); | |
694 | Double_t poverm = (m == 0 ? 0 : hit->P()); | |
695 | Double_t absQ = TMath::Abs(hit->Q()); | |
696 | Bool_t bad = kFALSE; | |
697 | // This `if' is to debug abnormal energy depositions. We trigger on | |
698 | // p/m approx larger than or equal to a MIP, and a large edep - more | |
699 | // than 1 keV - a MIP is 100 eV. | |
700 | if (edep > absQ * absQ && poverm > 1) bad = kTRUE; | |
701 | ||
702 | AliFMDPoints* p1 = new AliFMDPoints(hit, GetMarkerColor()); | |
703 | // AliPoints* p1 = new AliPoints(); | |
704 | // p1->SetMarkerColor(GetMarkerColor()); | |
705 | // p1->SetMarkerSize(GetMarkerSize()); | |
706 | // p1->SetPoint(0, hit->X(), hit->Y(), hit->Z()); | |
707 | p1->SetDetector(this); | |
708 | p1->SetParticle(hit->GetTrack()); | |
709 | fPoints->AddAt(p1, hit->GetTrack()); | |
710 | if (bad) { | |
711 | p1->SetMarkerColor(4); | |
712 | // p1->SetMarkerSize(2 * GetMarkerSize()); | |
713 | } | |
714 | ||
715 | Double_t x, y, z; | |
716 | geom->Detector2XYZ(hit->Detector(), hit->Ring(), hit->Sector(), | |
717 | hit->Strip(), x, y, z); | |
718 | AliFMDPoints* p = new AliFMDPoints(hit, 3); | |
719 | // AliPoints* p = new AliPoints(); | |
720 | // p->SetMarkerColor(3); | |
721 | // p->SetMarkerSize(GetMarkerSize()); | |
722 | // p->SetPoint(0, x, y, z); | |
723 | p->SetDetector(this); | |
724 | p->SetParticle(hit->GetTrack()); | |
725 | p->SetXYZ(x, y, z); | |
726 | p->SetMarkerColor(3); | |
727 | fPoints->AddAt(p, tracks+hit->GetTrack()); | |
728 | if (bad) { | |
729 | p->SetMarkerColor(5); | |
730 | // p->SetMarkerSize(2 * GetMarkerSize()); | |
731 | } | |
732 | // AliInfo(Form("Adding point at %d", tracks+hit->GetTrack())); | |
733 | } | |
734 | } | |
735 | ||
4347b38f | 736 | //____________________________________________________________________ |
737 | void | |
738 | AliFMD::DrawDetector() | |
fe4da5cc | 739 | { |
740 | // | |
37c4363a | 741 | // Draw a shaded view of the Forward multiplicity detector |
fe4da5cc | 742 | // |
4347b38f | 743 | // DebugGuard guard("AliFMD::DrawDetector"); |
824466d5 | 744 | AliDebug(10, "\tDraw detector"); |
4347b38f | 745 | |
1a1fdef7 | 746 | #if 0 |
4347b38f | 747 | //Set ALIC mother transparent |
748 | gMC->Gsatt("ALIC","SEEN",0); | |
4347b38f | 749 | // |
750 | gMC->Gdopt("hide", "on"); | |
751 | gMC->Gdopt("shad", "on"); | |
752 | gMC->Gsatt("*", "fill", 7); | |
753 | gMC->SetClipBox("."); | |
754 | gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000); | |
755 | gMC->DefaultRange(); | |
756 | gMC->Gdraw("alic", 40, 30, 0, 12, 12, .055, .055); | |
757 | gMC->Gdhead(1111, "Forward Multiplicity Detector"); | |
758 | gMC->Gdman(16, 10, "MAN"); | |
759 | gMC->Gdopt("hide", "off"); | |
1a1fdef7 | 760 | #endif |
fe4da5cc | 761 | } |
dc8af42e | 762 | |
4347b38f | 763 | //____________________________________________________________________ |
17323043 | 764 | Int_t |
4347b38f | 765 | AliFMD::DistanceToPrimitive(Int_t, Int_t) |
fe4da5cc | 766 | { |
767 | // | |
768 | // Calculate the distance from the mouse to the FMD on the screen | |
769 | // Dummy routine | |
770 | // | |
771 | return 9999; | |
772 | } | |
dc8af42e | 773 | |
4347b38f | 774 | //==================================================================== |
775 | // | |
776 | // Hit and Digit managment | |
777 | // | |
778 | //____________________________________________________________________ | |
779 | void | |
780 | AliFMD::MakeBranch(Option_t * option) | |
781 | { | |
782 | // Create Tree branches for the FMD. | |
37c4363a | 783 | // |
784 | // Options: | |
785 | // | |
786 | // H Make a branch of TClonesArray of AliFMDHit's | |
787 | // D Make a branch of TClonesArray of AliFMDDigit's | |
788 | // S Make a branch of TClonesArray of AliFMDSDigit's | |
789 | // | |
4347b38f | 790 | const Int_t kBufferSize = 16000; |
791 | TString branchname(GetName()); | |
792 | TString opt(option); | |
793 | ||
794 | if (opt.Contains("H", TString::kIgnoreCase)) { | |
795 | HitsArray(); | |
796 | AliDetector::MakeBranch(option); | |
797 | } | |
798 | if (opt.Contains("D", TString::kIgnoreCase)) { | |
799 | DigitsArray(); | |
800 | MakeBranchInTree(fLoader->TreeD(), branchname.Data(), | |
801 | &fDigits, kBufferSize, 0); | |
802 | } | |
803 | if (opt.Contains("S", TString::kIgnoreCase)) { | |
804 | SDigitsArray(); | |
805 | MakeBranchInTree(fLoader->TreeS(), branchname.Data(), | |
806 | &fSDigits, kBufferSize, 0); | |
807 | } | |
808 | } | |
809 | ||
810 | //____________________________________________________________________ | |
811 | void | |
812 | AliFMD::SetTreeAddress() | |
813 | { | |
afddaa11 | 814 | // Set branch address for the Hits, Digits, and SDigits Tree. |
4347b38f | 815 | if (fLoader->TreeH()) HitsArray(); |
816 | AliDetector::SetTreeAddress(); | |
817 | ||
818 | TTree *treeD = fLoader->TreeD(); | |
819 | if (treeD) { | |
820 | DigitsArray(); | |
821 | TBranch* branch = treeD->GetBranch ("FMD"); | |
822 | if (branch) branch->SetAddress(&fDigits); | |
823 | } | |
824 | ||
825 | TTree *treeS = fLoader->TreeS(); | |
826 | if (treeS) { | |
827 | SDigitsArray(); | |
828 | TBranch* branch = treeS->GetBranch ("FMD"); | |
829 | if (branch) branch->SetAddress(&fSDigits); | |
830 | } | |
831 | } | |
832 | ||
833 | ||
834 | ||
835 | //____________________________________________________________________ | |
836 | void | |
837 | AliFMD::SetHitsAddressBranch(TBranch *b) | |
b9a2d5e4 | 838 | { |
37c4363a | 839 | // Set the TClonesArray to read hits into. |
4347b38f | 840 | b->SetAddress(&fHits); |
b9a2d5e4 | 841 | } |
842 | ||
4347b38f | 843 | //____________________________________________________________________ |
844 | void | |
845 | AliFMD::AddHit(Int_t track, Int_t *vol, Float_t *hits) | |
846 | { | |
847 | // Add a hit to the hits tree | |
848 | // | |
849 | // The information of the two arrays are decoded as | |
850 | // | |
851 | // Parameters | |
852 | // track Track # | |
853 | // ivol[0] [UShort_t ] Detector # | |
854 | // ivol[1] [Char_t ] Ring ID | |
855 | // ivol[2] [UShort_t ] Sector # | |
856 | // ivol[3] [UShort_t ] Strip # | |
857 | // hits[0] [Float_t ] Track's X-coordinate at hit | |
858 | // hits[1] [Float_t ] Track's Y-coordinate at hit | |
859 | // hits[3] [Float_t ] Track's Z-coordinate at hit | |
860 | // hits[4] [Float_t ] X-component of track's momentum | |
861 | // hits[5] [Float_t ] Y-component of track's momentum | |
862 | // hits[6] [Float_t ] Z-component of track's momentum | |
863 | // hits[7] [Float_t ] Energy deposited by track | |
864 | // hits[8] [Int_t ] Track's particle Id # | |
37c4363a | 865 | // hits[9] [Float_t ] Time when the track hit |
866 | // | |
867 | // | |
69b696b9 | 868 | AddHitByFields(track, |
869 | UShort_t(vol[0]), // Detector # | |
870 | Char_t(vol[1]), // Ring ID | |
871 | UShort_t(vol[2]), // Sector # | |
872 | UShort_t(vol[3]), // Strip # | |
873 | hits[0], // X | |
874 | hits[1], // Y | |
875 | hits[2], // Z | |
876 | hits[3], // Px | |
877 | hits[4], // Py | |
878 | hits[5], // Pz | |
879 | hits[6], // Energy loss | |
880 | Int_t(hits[7]), // PDG | |
881 | hits[8]); // Time | |
4347b38f | 882 | } |
883 | ||
884 | //____________________________________________________________________ | |
54240c8d | 885 | AliFMDHit* |
69b696b9 | 886 | AliFMD::AddHitByFields(Int_t track, |
887 | UShort_t detector, | |
888 | Char_t ring, | |
889 | UShort_t sector, | |
890 | UShort_t strip, | |
891 | Float_t x, | |
892 | Float_t y, | |
893 | Float_t z, | |
894 | Float_t px, | |
895 | Float_t py, | |
896 | Float_t pz, | |
897 | Float_t edep, | |
898 | Int_t pdg, | |
088f8e79 | 899 | Float_t t, |
900 | Float_t l, | |
901 | Bool_t stop) | |
b9a2d5e4 | 902 | { |
dc8af42e | 903 | // |
4347b38f | 904 | // Add a hit to the list |
dc8af42e | 905 | // |
4347b38f | 906 | // Parameters: |
907 | // | |
908 | // track Track # | |
909 | // detector Detector # (1, 2, or 3) | |
910 | // ring Ring ID ('I' or 'O') | |
911 | // sector Sector # (For inner/outer rings: 0-19/0-39) | |
912 | // strip Strip # (For inner/outer rings: 0-511/0-255) | |
913 | // x Track's X-coordinate at hit | |
914 | // y Track's Y-coordinate at hit | |
915 | // z Track's Z-coordinate at hit | |
916 | // px X-component of track's momentum | |
917 | // py Y-component of track's momentum | |
918 | // pz Z-component of track's momentum | |
919 | // edep Energy deposited by track | |
920 | // pdg Track's particle Id # | |
921 | // t Time when the track hit | |
088f8e79 | 922 | // l Track length through the material. |
923 | // stop Whether track was stopped or disappeared | |
4347b38f | 924 | // |
925 | TClonesArray& a = *(HitsArray()); | |
926 | // Search through the list of already registered hits, and see if we | |
927 | // find a hit with the same parameters. If we do, then don't create | |
928 | // a new hit, but rather update the energy deposited in the hit. | |
929 | // This is done, so that a FLUKA based simulation will get the | |
930 | // number of hits right, not just the enerrgy deposition. | |
ac4c3fbb | 931 | AliFMDHit* hit = 0; |
4347b38f | 932 | for (Int_t i = 0; i < fNhits; i++) { |
933 | if (!a.At(i)) continue; | |
ac4c3fbb | 934 | hit = static_cast<AliFMDHit*>(a.At(i)); |
4347b38f | 935 | if (hit->Detector() == detector |
936 | && hit->Ring() == ring | |
937 | && hit->Sector() == sector | |
938 | && hit->Strip() == strip | |
939 | && hit->Track() == track) { | |
8f6ee336 | 940 | AliDebug(1, Form("already had a hit in FMD%d%c[%2d,%3d] for track # %d," |
941 | " adding energy (%f) to that hit (%f) -> %f", | |
942 | detector, ring, sector, strip, track, edep, hit->Edep(), | |
943 | hit->Edep() + edep)); | |
4347b38f | 944 | hit->SetEdep(hit->Edep() + edep); |
54240c8d | 945 | return hit; |
4347b38f | 946 | } |
947 | } | |
948 | // If hit wasn't already registered, do so know. | |
ac4c3fbb | 949 | hit = new (a[fNhits]) AliFMDHit(fIshunt, track, detector, ring, sector, |
088f8e79 | 950 | strip, x, y, z, px, py, pz, edep, pdg, t, |
951 | l, stop); | |
4347b38f | 952 | fNhits++; |
54240c8d | 953 | return hit; |
b9a2d5e4 | 954 | } |
fe4da5cc | 955 | |
4347b38f | 956 | //____________________________________________________________________ |
957 | void | |
69b696b9 | 958 | AliFMD::AddDigit(Int_t* digits, Int_t*) |
fe4da5cc | 959 | { |
4347b38f | 960 | // Add a digit to the Digit tree |
961 | // | |
962 | // Paramters | |
fe4da5cc | 963 | // |
4347b38f | 964 | // digits[0] [UShort_t] Detector # |
965 | // digits[1] [Char_t] Ring ID | |
966 | // digits[2] [UShort_t] Sector # | |
967 | // digits[3] [UShort_t] Strip # | |
968 | // digits[4] [UShort_t] ADC Count | |
969 | // digits[5] [Short_t] ADC Count, -1 if not used | |
970 | // digits[6] [Short_t] ADC Count, -1 if not used | |
971 | // | |
69b696b9 | 972 | AddDigitByFields(UShort_t(digits[0]), // Detector # |
973 | Char_t(digits[1]), // Ring ID | |
974 | UShort_t(digits[2]), // Sector # | |
975 | UShort_t(digits[3]), // Strip # | |
976 | UShort_t(digits[4]), // ADC Count1 | |
977 | Short_t(digits[5]), // ADC Count2 | |
978 | Short_t(digits[6])); // ADC Count3 | |
4347b38f | 979 | } |
980 | ||
981 | //____________________________________________________________________ | |
982 | void | |
69b696b9 | 983 | AliFMD::AddDigitByFields(UShort_t detector, |
984 | Char_t ring, | |
985 | UShort_t sector, | |
986 | UShort_t strip, | |
987 | UShort_t count1, | |
988 | Short_t count2, | |
989 | Short_t count3) | |
4347b38f | 990 | { |
991 | // add a real digit - as coming from data | |
992 | // | |
993 | // Parameters | |
fe4da5cc | 994 | // |
4347b38f | 995 | // detector Detector # (1, 2, or 3) |
996 | // ring Ring ID ('I' or 'O') | |
997 | // sector Sector # (For inner/outer rings: 0-19/0-39) | |
998 | // strip Strip # (For inner/outer rings: 0-511/0-255) | |
999 | // count1 ADC count (a 10-bit word) | |
1000 | // count2 ADC count (a 10-bit word), or -1 if not used | |
1001 | // count3 ADC count (a 10-bit word), or -1 if not used | |
1002 | TClonesArray& a = *(DigitsArray()); | |
1003 | ||
1004 | new (a[fNdigits++]) | |
1005 | AliFMDDigit(detector, ring, sector, strip, count1, count2, count3); | |
1006 | } | |
1007 | ||
1008 | //____________________________________________________________________ | |
1009 | void | |
1010 | AliFMD::AddSDigit(Int_t* digits) | |
1011 | { | |
1012 | // Add a digit to the SDigit tree | |
1013 | // | |
1014 | // Paramters | |
b9a2d5e4 | 1015 | // |
4347b38f | 1016 | // digits[0] [UShort_t] Detector # |
1017 | // digits[1] [Char_t] Ring ID | |
1018 | // digits[2] [UShort_t] Sector # | |
1019 | // digits[3] [UShort_t] Strip # | |
1020 | // digits[4] [Float_t] Total energy deposited | |
1021 | // digits[5] [UShort_t] ADC Count | |
1022 | // digits[6] [Short_t] ADC Count, -1 if not used | |
1023 | // digits[7] [Short_t] ADC Count, -1 if not used | |
1024 | // | |
69b696b9 | 1025 | AddSDigitByFields(UShort_t(digits[0]), // Detector # |
1026 | Char_t(digits[1]), // Ring ID | |
1027 | UShort_t(digits[2]), // Sector # | |
1028 | UShort_t(digits[3]), // Strip # | |
1029 | Float_t(digits[4]), // Edep | |
1030 | UShort_t(digits[5]), // ADC Count1 | |
1031 | Short_t(digits[6]), // ADC Count2 | |
1032 | Short_t(digits[7])); // ADC Count3 | |
4347b38f | 1033 | } |
1034 | ||
1035 | //____________________________________________________________________ | |
1036 | void | |
69b696b9 | 1037 | AliFMD::AddSDigitByFields(UShort_t detector, |
1038 | Char_t ring, | |
1039 | UShort_t sector, | |
1040 | UShort_t strip, | |
1041 | Float_t edep, | |
1042 | UShort_t count1, | |
1043 | Short_t count2, | |
1044 | Short_t count3) | |
4347b38f | 1045 | { |
1046 | // add a summable digit | |
1047 | // | |
1048 | // Parameters | |
b9a2d5e4 | 1049 | // |
4347b38f | 1050 | // detector Detector # (1, 2, or 3) |
1051 | // ring Ring ID ('I' or 'O') | |
1052 | // sector Sector # (For inner/outer rings: 0-19/0-39) | |
1053 | // strip Strip # (For inner/outer rings: 0-511/0-255) | |
1054 | // edep Total energy deposited | |
1055 | // count1 ADC count (a 10-bit word) | |
1056 | // count2 ADC count (a 10-bit word), or -1 if not used | |
1057 | // count3 ADC count (a 10-bit word), or -1 if not used | |
37c4363a | 1058 | // |
4347b38f | 1059 | TClonesArray& a = *(SDigitsArray()); |
1060 | ||
1061 | new (a[fNsdigits++]) | |
1062 | AliFMDSDigit(detector, ring, sector, strip, edep, count1, count2, count3); | |
fe4da5cc | 1063 | } |
4347b38f | 1064 | |
1065 | //____________________________________________________________________ | |
1066 | void | |
1067 | AliFMD::ResetSDigits() | |
d28dcc0d | 1068 | { |
4347b38f | 1069 | // |
1070 | // Reset number of digits and the digits array for this detector | |
1071 | // | |
1072 | fNsdigits = 0; | |
1073 | if (fSDigits) fSDigits->Clear(); | |
1074 | } | |
1075 | ||
1076 | ||
1077 | //____________________________________________________________________ | |
1078 | TClonesArray* | |
1079 | AliFMD::HitsArray() | |
1080 | { | |
1081 | // Initialize hit array if not already, and return pointer to it. | |
1082 | if (!fHits) { | |
1083 | fHits = new TClonesArray("AliFMDHit", 1000); | |
1084 | fNhits = 0; | |
1085 | } | |
1086 | return fHits; | |
1087 | } | |
1088 | ||
1089 | //____________________________________________________________________ | |
1090 | TClonesArray* | |
1091 | AliFMD::DigitsArray() | |
1092 | { | |
1093 | // Initialize digit array if not already, and return pointer to it. | |
1094 | if (!fDigits) { | |
1095 | fDigits = new TClonesArray("AliFMDDigit", 1000); | |
1096 | fNdigits = 0; | |
1097 | } | |
1098 | return fDigits; | |
1099 | } | |
1100 | ||
1101 | //____________________________________________________________________ | |
1102 | TClonesArray* | |
1103 | AliFMD::SDigitsArray() | |
1104 | { | |
1105 | // Initialize digit array if not already, and return pointer to it. | |
1106 | if (!fSDigits) { | |
1107 | fSDigits = new TClonesArray("AliFMDSDigit", 1000); | |
1108 | fNsdigits = 0; | |
1109 | } | |
1110 | return fSDigits; | |
1111 | } | |
1112 | ||
1113 | //==================================================================== | |
1114 | // | |
1115 | // Digitization | |
1116 | // | |
1117 | //____________________________________________________________________ | |
1118 | void | |
1119 | AliFMD::Hits2Digits() | |
1120 | { | |
37c4363a | 1121 | // Create AliFMDDigit's from AliFMDHit's. This is done by making a |
1122 | // AliFMDDigitizer, and executing that code. | |
1123 | // | |
a3537838 | 1124 | Warning("Hits2Digits", "Try not to use this method.\n" |
1125 | "Instead, use AliSimulator"); | |
4347b38f | 1126 | AliRunDigitizer* manager = new AliRunDigitizer(1, 1); |
1127 | manager->SetInputStream(0, "galice.root"); | |
1128 | manager->SetOutputFile("H2Dfile"); | |
dc8af42e | 1129 | |
4347b38f | 1130 | /* AliDigitizer* dig =*/ CreateDigitizer(manager); |
1131 | manager->Exec(""); | |
99d864b7 | 1132 | delete manager; |
4347b38f | 1133 | } |
1134 | ||
1135 | //____________________________________________________________________ | |
1136 | void | |
1137 | AliFMD::Hits2SDigits() | |
1138 | { | |
37c4363a | 1139 | // Create AliFMDSDigit's from AliFMDHit's. This is done by creating |
1140 | // an AliFMDSDigitizer object, and executing it. | |
1141 | // | |
56b1929b | 1142 | AliFMDSDigitizer* digitizer = new AliFMDSDigitizer("galice.root"); |
56b1929b | 1143 | digitizer->Exec(""); |
99d864b7 | 1144 | delete digitizer; |
4347b38f | 1145 | } |
1146 | ||
dc8af42e | 1147 | |
4347b38f | 1148 | //____________________________________________________________________ |
1149 | AliDigitizer* | |
1150 | AliFMD::CreateDigitizer(AliRunDigitizer* manager) const | |
1151 | { | |
1152 | // Create a digitizer object | |
56b1929b | 1153 | AliFMDDigitizer* digitizer = new AliFMDDigitizer(manager); |
56b1929b | 1154 | return digitizer; |
4347b38f | 1155 | } |
b9a2d5e4 | 1156 | |
4347b38f | 1157 | //==================================================================== |
1158 | // | |
1159 | // Raw data simulation | |
1160 | // | |
1161 | //__________________________________________________________________ | |
1162 | void | |
1163 | AliFMD::Digits2Raw() | |
1164 | { | |
37c4363a | 1165 | // Turn digits into raw data. |
1166 | // | |
e802be3e | 1167 | // This uses the class AliFMDRawWriter to do the job. Please refer |
1168 | // to that class for more information. | |
1169 | AliFMDRawWriter writer(this); | |
1170 | writer.Exec(); | |
b9a2d5e4 | 1171 | } |
1172 | ||
4347b38f | 1173 | |
1174 | //==================================================================== | |
1175 | // | |
1176 | // Utility | |
1177 | // | |
1178 | //__________________________________________________________________ | |
1179 | void | |
1180 | AliFMD::Browse(TBrowser* b) | |
1181 | { | |
37c4363a | 1182 | // Browse this object. |
1183 | // | |
824466d5 | 1184 | AliDebug(30, "\tBrowsing the FMD"); |
4347b38f | 1185 | AliDetector::Browse(b); |
1a1fdef7 | 1186 | b->Add(AliFMDGeometry::Instance()); |
4347b38f | 1187 | } |
1188 | ||
4347b38f | 1189 | //___________________________________________________________________ |
1190 | // | |
1191 | // EOF | |
1192 | // |