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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 |
56b1929b | 105 | |
106 | #include <AliRunDigitizer.h> // ALIRUNDIGITIZER_H | |
107 | #include <AliLoader.h> // ALILOADER_H | |
108 | #include <AliRun.h> // ALIRUN_H | |
109 | #include <AliMC.h> // ALIMC_H | |
110 | #include <AliLog.h> // ALILOG_H | |
e802be3e | 111 | #include "AliFMD.h" // ALIFMD_H |
112 | #include "AliFMDDigit.h" // ALIFMDDIGIG_H | |
113 | #include "AliFMDHit.h" // ALIFMDHIT_H | |
1a1fdef7 | 114 | #include "AliFMDGeometry.h" // ALIFMDGEOMETRY_H |
115 | #include "AliFMDDetector.h" // ALIFMDDETECTOR_H | |
116 | #include "AliFMDRing.h" // ALIFMDRING_H | |
e802be3e | 117 | #include "AliFMDDigitizer.h" // ALIFMDDIGITIZER_H |
1a1fdef7 | 118 | #include "AliFMDSimulator.h" // ALIFMDSIMULATOR_H |
119 | #include "AliFMDG3Simulator.h" // ALIFMDG3SIMULATOR_H | |
120 | #include "AliFMDGeoSimulator.h" // ALIFMDGEOSIMULATOR_H | |
4ac75127 | 121 | #include "AliFMDG3OldSimulator.h" // ALIFMDG3OLDSIMULATOR_H |
122 | #include "AliFMDGeoOldSimulator.h" // ALIFMDGEOOLDSIMULATOR_H | |
e802be3e | 123 | #include "AliFMDRawWriter.h" // ALIFMDRAWWRITER_H |
88cb7938 | 124 | |
4347b38f | 125 | //____________________________________________________________________ |
925e6570 | 126 | ClassImp(AliFMD) |
1a1fdef7 | 127 | #if 0 |
128 | ; // This is to keep Emacs from indenting the next line | |
129 | #endif | |
7e54281f | 130 | |
4347b38f | 131 | //____________________________________________________________________ |
132 | AliFMD::AliFMD() | |
90da4514 | 133 | : AliDetector(), |
134 | fSDigits(0), | |
afddaa11 | 135 | fNsdigits(0), |
1a1fdef7 | 136 | fDetailed(kTRUE), |
137 | fSimulator(0) | |
fe4da5cc | 138 | { |
139 | // | |
140 | // Default constructor for class AliFMD | |
141 | // | |
1a1fdef7 | 142 | AliDebug(10, "\tDefault CTOR"); |
4ac75127 | 143 | fHits = 0; |
144 | fDigits = 0; | |
145 | fIshunt = 0; | |
146 | fUseOld = kFALSE; | |
147 | fUseDivided = kFALSE; | |
148 | fUseAssembly = kFALSE; | |
149 | fUseGeo = kTRUE; | |
fe4da5cc | 150 | } |
dc8af42e | 151 | |
56b1929b | 152 | //____________________________________________________________________ |
153 | AliFMD::AliFMD(const AliFMD& other) | |
154 | : AliDetector(other), | |
56b1929b | 155 | fSDigits(other.fSDigits), |
156 | fNsdigits(other.fNsdigits), | |
1a1fdef7 | 157 | fDetailed(other.fDetailed), |
158 | fSimulator(other.fSimulator) | |
56b1929b | 159 | { |
160 | // Copy constructor | |
4ac75127 | 161 | fUseOld = other.fUseOld; |
162 | fUseDivided = other.fUseDivided; | |
163 | fUseAssembly = other.fUseAssembly; | |
164 | fUseGeo = other.fUseGeo; | |
56b1929b | 165 | } |
166 | ||
4347b38f | 167 | //____________________________________________________________________ |
1a1fdef7 | 168 | AliFMD::AliFMD(const char *name, const char *title) |
4347b38f | 169 | : AliDetector (name, title), |
afddaa11 | 170 | fSDigits(0), |
171 | fNsdigits(0), | |
1a1fdef7 | 172 | fDetailed(kTRUE), |
173 | fSimulator(0) | |
fe4da5cc | 174 | { |
175 | // | |
176 | // Standard constructor for Forward Multiplicity Detector | |
177 | // | |
1a1fdef7 | 178 | AliDebug(10, "\tStandard CTOR"); |
4ac75127 | 179 | fUseOld = kFALSE; |
180 | fUseDivided = kFALSE; | |
181 | fUseAssembly = kFALSE; | |
182 | fUseGeo = kTRUE; | |
54240c8d | 183 | |
fe4da5cc | 184 | // Initialise Hit array |
4347b38f | 185 | HitsArray(); |
186 | gAlice->GetMCApp()->AddHitList(fHits); | |
d1280e40 | 187 | |
4347b38f | 188 | // (S)Digits for the detectors disk |
189 | DigitsArray(); | |
190 | SDigitsArray(); | |
191 | ||
192 | // CHC: What is this? | |
dc8af42e | 193 | fIshunt = 0; |
4347b38f | 194 | SetMarkerColor(kRed); |
195 | SetLineColor(kYellow); | |
fe4da5cc | 196 | } |
d28dcc0d | 197 | |
4347b38f | 198 | //____________________________________________________________________ |
dc8af42e | 199 | AliFMD::~AliFMD () |
d28dcc0d | 200 | { |
4347b38f | 201 | // Destructor for base class AliFMD |
202 | if (fHits) { | |
203 | fHits->Delete(); | |
204 | delete fHits; | |
205 | fHits = 0; | |
206 | } | |
207 | if (fDigits) { | |
208 | fDigits->Delete(); | |
209 | delete fDigits; | |
210 | fDigits = 0; | |
211 | } | |
212 | if (fSDigits) { | |
213 | fSDigits->Delete(); | |
214 | delete fSDigits; | |
215 | fSDigits = 0; | |
216 | } | |
217 | } | |
218 | ||
56b1929b | 219 | //____________________________________________________________________ |
220 | AliFMD& | |
221 | AliFMD::operator=(const AliFMD& other) | |
222 | { | |
223 | AliDetector::operator=(other); | |
56b1929b | 224 | fSDigits = other.fSDigits; |
225 | fNsdigits = other.fNsdigits; | |
1a1fdef7 | 226 | fDetailed = other.fDetailed; |
227 | fSimulator = other.fSimulator; | |
228 | ||
56b1929b | 229 | return *this; |
230 | } | |
231 | ||
4347b38f | 232 | //==================================================================== |
233 | // | |
234 | // GEometry ANd Traking | |
235 | // | |
236 | //____________________________________________________________________ | |
237 | void | |
238 | AliFMD::CreateGeometry() | |
239 | { | |
4347b38f | 240 | // |
37c4363a | 241 | // Create the geometry of Forward Multiplicity Detector. The actual |
242 | // construction of the geometry is delegated to the class AliFMDRing | |
243 | // and AliFMDSubDetector and the relevant derived classes. | |
244 | // | |
245 | // The flow of this member function is: | |
246 | // | |
247 | // FOR rings fInner and fOuter DO | |
248 | // AliFMDRing::Init(); | |
249 | // END FOR | |
250 | // | |
251 | // Set up hybrud card support (leg) volume shapes | |
252 | // | |
253 | // FOR rings fInner and fOuter DO | |
254 | // AliFMDRing::SetupGeometry(); | |
255 | // END FOR | |
256 | // | |
257 | // FOR subdetectors fFMD1, fFMD2, and fFMD3 DO | |
258 | // AliFMDSubDetector::SetupGeomtry(); | |
259 | // END FOR | |
260 | // | |
261 | // FOR subdetectors fFMD1, fFMD2, and fFMD3 DO | |
262 | // AliFMDSubDetector::Geomtry(); | |
263 | // END FOR | |
1a1fdef7 | 264 | // |
265 | if (!fSimulator) { | |
266 | AliFatal("Simulator object not made yet!"); | |
267 | return; | |
268 | } | |
269 | fSimulator->DefineGeometry(); | |
4347b38f | 270 | } |
271 | ||
272 | //____________________________________________________________________ | |
273 | void AliFMD::CreateMaterials() | |
274 | { | |
275 | // Register various materials and tracking mediums with the | |
276 | // backend. | |
277 | // | |
824466d5 | 278 | AliDebug(10, "\tCreating materials"); |
56b1929b | 279 | |
1a1fdef7 | 280 | if (fSimulator) { |
281 | AliFatal("Simulator object already instantised!"); | |
282 | return; | |
4347b38f | 283 | } |
1a1fdef7 | 284 | AliFMDGeometry* geometry = AliFMDGeometry::Instance(); |
285 | geometry->Init(); | |
4ac75127 | 286 | TVirtualMC* mc = TVirtualMC::GetMC(); |
287 | Bool_t geo = mc->IsRootGeometrySupported(); | |
288 | if (geo && fUseGeo) { | |
289 | if (fUseOld) | |
290 | fSimulator = new AliFMDGeoOldSimulator(this, fDetailed); | |
291 | else | |
292 | fSimulator = new AliFMDGeoSimulator(this, fDetailed); | |
293 | } | |
294 | else { | |
295 | if (fUseOld) | |
296 | fSimulator = new AliFMDG3OldSimulator(this, fDetailed); | |
297 | else | |
298 | fSimulator = new AliFMDG3Simulator(this, fDetailed); | |
299 | } | |
300 | AliDebug(1, Form("using a %s as simulation backend", | |
301 | fSimulator->IsA()->GetName())); | |
302 | fSimulator->UseDivided(fUseDivided); | |
303 | fSimulator->UseAssembly(fUseAssembly); | |
1a1fdef7 | 304 | fSimulator->DefineMaterials(); |
d28dcc0d | 305 | } |
dc8af42e | 306 | |
4347b38f | 307 | //____________________________________________________________________ |
308 | void | |
309 | AliFMD::Init() | |
fe4da5cc | 310 | { |
311 | // | |
4347b38f | 312 | // Initialis the FMD after it has been built |
313 | Int_t i; | |
314 | // | |
4951e003 | 315 | if (AliLog::GetGlobalDebugLevel()) { |
7c09877a | 316 | cout << "\n" << ClassName() << ": " << flush; |
317 | for (i = 0; i < 35; i++) cout << "*"; | |
318 | cout << " FMD_INIT "; | |
319 | for (i = 0; i < 35; i++) cout << "*"; | |
320 | cout << "\n" << ClassName() << ": " << flush; | |
4347b38f | 321 | // |
322 | // Here the FMD initialisation code (if any!) | |
7c09877a | 323 | for (i = 0; i < 80; i++) cout << "*"; |
324 | cout << endl; | |
4347b38f | 325 | } |
326 | // | |
fe4da5cc | 327 | // |
fe4da5cc | 328 | } |
dc8af42e | 329 | |
54240c8d | 330 | //____________________________________________________________________ |
331 | void | |
332 | AliFMD::FinishEvent() | |
333 | { | |
334 | if (fSimulator) fSimulator->EndEvent(); | |
335 | } | |
336 | ||
337 | ||
4347b38f | 338 | //==================================================================== |
339 | // | |
340 | // Graphics and event display | |
341 | // | |
342 | //____________________________________________________________________ | |
343 | void | |
344 | AliFMD::BuildGeometry() | |
b9a2d5e4 | 345 | { |
4347b38f | 346 | // |
347 | // Build simple ROOT TNode geometry for event display | |
348 | // | |
349 | // Build a simplified geometry of the FMD used for event display | |
350 | // | |
37c4363a | 351 | // The actual building of the TNodes is done by |
352 | // AliFMDSubDetector::SimpleGeometry. | |
824466d5 | 353 | AliDebug(10, "\tCreating a simplified geometry"); |
b9a2d5e4 | 354 | |
1a1fdef7 | 355 | AliFMDGeometry* fmd = AliFMDGeometry::Instance(); |
356 | ||
357 | static TXTRU* innerShape = 0; | |
358 | static TXTRU* outerShape = 0; | |
359 | static TObjArray* innerRot = 0; | |
360 | static TObjArray* outerRot = 0; | |
361 | ||
362 | if (!innerShape || !outerShape) { | |
363 | // Make the shapes for the modules | |
364 | for (Int_t i = 0; i < 2; i++) { | |
365 | AliFMDRing* r = 0; | |
366 | switch (i) { | |
367 | case 0: r = fmd->GetRing('I'); break; | |
368 | case 1: r = fmd->GetRing('O'); break; | |
369 | } | |
370 | if (!r) { | |
371 | AliError(Form("no ring found for i=%d", i)); | |
372 | return; | |
373 | } | |
374 | Double_t siThick = r->GetSiThickness(); | |
375 | const Int_t nv = r->GetNVerticies(); | |
376 | Double_t theta = r->GetTheta(); | |
377 | Int_t nmod = r->GetNModules(); | |
378 | ||
379 | TXTRU* shape = new TXTRU(r->GetName(), r->GetTitle(), "void", nv, 2); | |
380 | for (Int_t j = 0; j < nv; j++) { | |
381 | TVector2* vv = r->GetVertex(nv - 1 - j); | |
382 | shape->DefineVertex(j, vv->X(), vv->Y()); | |
383 | } | |
384 | shape->DefineSection(0, -siThick / 2, 1, 0, 0); | |
385 | shape->DefineSection(1, +siThick / 2, 1, 0, 0); | |
386 | shape->SetLineColor(GetLineColor()); | |
387 | ||
388 | TObjArray* rots = new TObjArray(nmod); | |
389 | for (Int_t j = 0; j < nmod; j++) { | |
390 | Double_t th = (j + .5) * theta * 2; | |
391 | TString name(Form("FMD_ring_%c_rot_%02d", r->GetId(), j)); | |
392 | TString title(Form("FMD Ring %c Rotation # %d", r->GetId(), j)); | |
393 | TRotMatrix* rot = new TRotMatrix(name.Data(), title.Data(), | |
394 | 90, th, 90, fmod(90+th,360), 0, 0); | |
395 | rots->AddAt(rot, j); | |
396 | } | |
397 | ||
398 | switch (r->GetId()) { | |
399 | case 'i': | |
400 | case 'I': innerShape = shape; innerRot = rots; break; | |
401 | case 'o': | |
402 | case 'O': outerShape = shape; outerRot = rots; break; | |
403 | } | |
404 | } | |
405 | } | |
406 | ||
4347b38f | 407 | TNode* top = gAlice->GetGeometry()->GetNode("alice"); |
408 | ||
1a1fdef7 | 409 | for (Int_t i = 1; i <= 3; i++) { |
410 | AliFMDDetector* det = fmd->GetDetector(i); | |
411 | if (!det) { | |
412 | Warning("BuildGeometry", "FMD%d seems to be disabled", i); | |
413 | continue; | |
414 | } | |
415 | Double_t w = 0; | |
416 | Double_t rh = det->GetRing('I')->GetHighR(); | |
417 | Char_t id = 'I'; | |
418 | if (det->GetRing('O')) { | |
419 | w = TMath::Abs(det->GetRingZ('O') - det->GetRingZ('I')); | |
420 | id = (TMath::Abs(det->GetRingZ('O')) | |
421 | > TMath::Abs(det->GetRingZ('I')) ? 'O' : 'I'); | |
422 | rh = det->GetRing('O')->GetHighR(); | |
423 | } | |
424 | w += (det->GetRing(id)->GetModuleSpacing() + | |
425 | det->GetRing(id)->GetSiThickness()); | |
426 | TShape* shape = new TTUBE(det->GetName(), det->GetTitle(), "void", | |
427 | det->GetRing('I')->GetLowR(), rh, w / 2); | |
428 | Double_t z = (det->GetRingZ('I') - w / 2); | |
429 | if (z > 0) z += det->GetRing(id)->GetModuleSpacing(); | |
430 | top->cd(); | |
431 | TNode* node = new TNode(det->GetName(), det->GetTitle(), shape, | |
432 | 0, 0, z, 0); | |
433 | fNodes->Add(node); | |
434 | ||
435 | for (Int_t j = 0; j < 2; j++) { | |
436 | AliFMDRing* r = 0; | |
437 | TShape* rshape = 0; | |
438 | TObjArray* rots = 0; | |
439 | switch (j) { | |
440 | case 0: | |
441 | r = det->GetRing('I'); rshape = innerShape; rots = innerRot; break; | |
442 | case 1: | |
443 | r = det->GetRing('O'); rshape = outerShape; rots = outerRot; break; | |
444 | } | |
445 | if (!r) continue; | |
446 | ||
447 | Double_t siThick = r->GetSiThickness(); | |
448 | Int_t nmod = r->GetNModules(); | |
449 | Double_t modspace = r->GetModuleSpacing(); | |
450 | Double_t rz = - (z - det->GetRingZ(r->GetId())); | |
451 | ||
452 | for (Int_t k = 0; k < nmod; k++) { | |
453 | node->cd(); | |
454 | Double_t offz = (k % 2 == 1 ? modspace : 0); | |
455 | TRotMatrix* rot = static_cast<TRotMatrix*>(rots->At(k)); | |
456 | TString name(Form("%s%c_module_%02d", det->GetName(), r->GetId(),k)); | |
457 | TString title(Form("%s%c Module %d", det->GetName(), r->GetId(),k)); | |
458 | TNode* mnod = new TNode(name.Data(), title.Data(), rshape, | |
459 | 0, 0, rz - siThick / 2 | |
460 | + TMath::Sign(offz,z), rot); | |
461 | mnod->SetLineColor(GetLineColor()); | |
462 | fNodes->Add(mnod); | |
463 | } // for (Int_t k = 0 ; ...) | |
464 | } // for (Int_t j = 0 ; ...) | |
465 | } // for (Int_t i = 1 ; ...) | |
37c55dc0 | 466 | } |
88cb7938 | 467 | |
4347b38f | 468 | //____________________________________________________________________ |
469 | void | |
470 | AliFMD::DrawDetector() | |
fe4da5cc | 471 | { |
472 | // | |
37c4363a | 473 | // Draw a shaded view of the Forward multiplicity detector |
fe4da5cc | 474 | // |
4347b38f | 475 | // DebugGuard guard("AliFMD::DrawDetector"); |
824466d5 | 476 | AliDebug(10, "\tDraw detector"); |
4347b38f | 477 | |
1a1fdef7 | 478 | #if 0 |
4347b38f | 479 | //Set ALIC mother transparent |
480 | gMC->Gsatt("ALIC","SEEN",0); | |
4347b38f | 481 | // |
482 | gMC->Gdopt("hide", "on"); | |
483 | gMC->Gdopt("shad", "on"); | |
484 | gMC->Gsatt("*", "fill", 7); | |
485 | gMC->SetClipBox("."); | |
486 | gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000); | |
487 | gMC->DefaultRange(); | |
488 | gMC->Gdraw("alic", 40, 30, 0, 12, 12, .055, .055); | |
489 | gMC->Gdhead(1111, "Forward Multiplicity Detector"); | |
490 | gMC->Gdman(16, 10, "MAN"); | |
491 | gMC->Gdopt("hide", "off"); | |
1a1fdef7 | 492 | #endif |
fe4da5cc | 493 | } |
dc8af42e | 494 | |
4347b38f | 495 | //____________________________________________________________________ |
17323043 | 496 | Int_t |
4347b38f | 497 | AliFMD::DistanceToPrimitive(Int_t, Int_t) |
fe4da5cc | 498 | { |
499 | // | |
500 | // Calculate the distance from the mouse to the FMD on the screen | |
501 | // Dummy routine | |
502 | // | |
503 | return 9999; | |
504 | } | |
dc8af42e | 505 | |
4347b38f | 506 | //==================================================================== |
507 | // | |
508 | // Hit and Digit managment | |
509 | // | |
510 | //____________________________________________________________________ | |
511 | void | |
512 | AliFMD::MakeBranch(Option_t * option) | |
513 | { | |
514 | // Create Tree branches for the FMD. | |
37c4363a | 515 | // |
516 | // Options: | |
517 | // | |
518 | // H Make a branch of TClonesArray of AliFMDHit's | |
519 | // D Make a branch of TClonesArray of AliFMDDigit's | |
520 | // S Make a branch of TClonesArray of AliFMDSDigit's | |
521 | // | |
4347b38f | 522 | const Int_t kBufferSize = 16000; |
523 | TString branchname(GetName()); | |
524 | TString opt(option); | |
525 | ||
526 | if (opt.Contains("H", TString::kIgnoreCase)) { | |
527 | HitsArray(); | |
528 | AliDetector::MakeBranch(option); | |
529 | } | |
530 | if (opt.Contains("D", TString::kIgnoreCase)) { | |
531 | DigitsArray(); | |
532 | MakeBranchInTree(fLoader->TreeD(), branchname.Data(), | |
533 | &fDigits, kBufferSize, 0); | |
534 | } | |
535 | if (opt.Contains("S", TString::kIgnoreCase)) { | |
536 | SDigitsArray(); | |
537 | MakeBranchInTree(fLoader->TreeS(), branchname.Data(), | |
538 | &fSDigits, kBufferSize, 0); | |
539 | } | |
540 | } | |
541 | ||
542 | //____________________________________________________________________ | |
543 | void | |
544 | AliFMD::SetTreeAddress() | |
545 | { | |
afddaa11 | 546 | // Set branch address for the Hits, Digits, and SDigits Tree. |
4347b38f | 547 | if (fLoader->TreeH()) HitsArray(); |
548 | AliDetector::SetTreeAddress(); | |
549 | ||
550 | TTree *treeD = fLoader->TreeD(); | |
551 | if (treeD) { | |
552 | DigitsArray(); | |
553 | TBranch* branch = treeD->GetBranch ("FMD"); | |
554 | if (branch) branch->SetAddress(&fDigits); | |
555 | } | |
556 | ||
557 | TTree *treeS = fLoader->TreeS(); | |
558 | if (treeS) { | |
559 | SDigitsArray(); | |
560 | TBranch* branch = treeS->GetBranch ("FMD"); | |
561 | if (branch) branch->SetAddress(&fSDigits); | |
562 | } | |
563 | } | |
564 | ||
565 | ||
566 | ||
567 | //____________________________________________________________________ | |
568 | void | |
569 | AliFMD::SetHitsAddressBranch(TBranch *b) | |
b9a2d5e4 | 570 | { |
37c4363a | 571 | // Set the TClonesArray to read hits into. |
4347b38f | 572 | b->SetAddress(&fHits); |
b9a2d5e4 | 573 | } |
574 | ||
4347b38f | 575 | //____________________________________________________________________ |
576 | void | |
577 | AliFMD::AddHit(Int_t track, Int_t *vol, Float_t *hits) | |
578 | { | |
579 | // Add a hit to the hits tree | |
580 | // | |
581 | // The information of the two arrays are decoded as | |
582 | // | |
583 | // Parameters | |
584 | // track Track # | |
585 | // ivol[0] [UShort_t ] Detector # | |
586 | // ivol[1] [Char_t ] Ring ID | |
587 | // ivol[2] [UShort_t ] Sector # | |
588 | // ivol[3] [UShort_t ] Strip # | |
589 | // hits[0] [Float_t ] Track's X-coordinate at hit | |
590 | // hits[1] [Float_t ] Track's Y-coordinate at hit | |
591 | // hits[3] [Float_t ] Track's Z-coordinate at hit | |
592 | // hits[4] [Float_t ] X-component of track's momentum | |
593 | // hits[5] [Float_t ] Y-component of track's momentum | |
594 | // hits[6] [Float_t ] Z-component of track's momentum | |
595 | // hits[7] [Float_t ] Energy deposited by track | |
596 | // hits[8] [Int_t ] Track's particle Id # | |
37c4363a | 597 | // hits[9] [Float_t ] Time when the track hit |
598 | // | |
599 | // | |
69b696b9 | 600 | AddHitByFields(track, |
601 | UShort_t(vol[0]), // Detector # | |
602 | Char_t(vol[1]), // Ring ID | |
603 | UShort_t(vol[2]), // Sector # | |
604 | UShort_t(vol[3]), // Strip # | |
605 | hits[0], // X | |
606 | hits[1], // Y | |
607 | hits[2], // Z | |
608 | hits[3], // Px | |
609 | hits[4], // Py | |
610 | hits[5], // Pz | |
611 | hits[6], // Energy loss | |
612 | Int_t(hits[7]), // PDG | |
613 | hits[8]); // Time | |
4347b38f | 614 | } |
615 | ||
616 | //____________________________________________________________________ | |
54240c8d | 617 | AliFMDHit* |
69b696b9 | 618 | AliFMD::AddHitByFields(Int_t track, |
619 | UShort_t detector, | |
620 | Char_t ring, | |
621 | UShort_t sector, | |
622 | UShort_t strip, | |
623 | Float_t x, | |
624 | Float_t y, | |
625 | Float_t z, | |
626 | Float_t px, | |
627 | Float_t py, | |
628 | Float_t pz, | |
629 | Float_t edep, | |
630 | Int_t pdg, | |
631 | Float_t t) | |
b9a2d5e4 | 632 | { |
dc8af42e | 633 | // |
4347b38f | 634 | // Add a hit to the list |
dc8af42e | 635 | // |
4347b38f | 636 | // Parameters: |
637 | // | |
638 | // track Track # | |
639 | // detector Detector # (1, 2, or 3) | |
640 | // ring Ring ID ('I' or 'O') | |
641 | // sector Sector # (For inner/outer rings: 0-19/0-39) | |
642 | // strip Strip # (For inner/outer rings: 0-511/0-255) | |
643 | // x Track's X-coordinate at hit | |
644 | // y Track's Y-coordinate at hit | |
645 | // z Track's Z-coordinate at hit | |
646 | // px X-component of track's momentum | |
647 | // py Y-component of track's momentum | |
648 | // pz Z-component of track's momentum | |
649 | // edep Energy deposited by track | |
650 | // pdg Track's particle Id # | |
651 | // t Time when the track hit | |
652 | // | |
653 | TClonesArray& a = *(HitsArray()); | |
654 | // Search through the list of already registered hits, and see if we | |
655 | // find a hit with the same parameters. If we do, then don't create | |
656 | // a new hit, but rather update the energy deposited in the hit. | |
657 | // This is done, so that a FLUKA based simulation will get the | |
658 | // number of hits right, not just the enerrgy deposition. | |
ac4c3fbb | 659 | AliFMDHit* hit = 0; |
4347b38f | 660 | for (Int_t i = 0; i < fNhits; i++) { |
661 | if (!a.At(i)) continue; | |
ac4c3fbb | 662 | hit = static_cast<AliFMDHit*>(a.At(i)); |
4347b38f | 663 | if (hit->Detector() == detector |
664 | && hit->Ring() == ring | |
665 | && hit->Sector() == sector | |
666 | && hit->Strip() == strip | |
667 | && hit->Track() == track) { | |
37c4363a | 668 | Warning("AddHit", "already had a hit in FMD%d%c[%2d,%3d] for track # %d," |
669 | " adding energy (%f) to that hit (%f) -> %f", | |
670 | detector, ring, sector, strip, track, edep, hit->Edep(), | |
671 | hit->Edep() + edep); | |
4347b38f | 672 | hit->SetEdep(hit->Edep() + edep); |
54240c8d | 673 | return hit; |
4347b38f | 674 | } |
675 | } | |
676 | // If hit wasn't already registered, do so know. | |
ac4c3fbb | 677 | hit = new (a[fNhits]) AliFMDHit(fIshunt, track, detector, ring, sector, |
678 | strip, x, y, z, px, py, pz, edep, pdg, t); | |
4347b38f | 679 | fNhits++; |
54240c8d | 680 | return hit; |
b9a2d5e4 | 681 | } |
fe4da5cc | 682 | |
4347b38f | 683 | //____________________________________________________________________ |
684 | void | |
69b696b9 | 685 | AliFMD::AddDigit(Int_t* digits, Int_t*) |
fe4da5cc | 686 | { |
4347b38f | 687 | // Add a digit to the Digit tree |
688 | // | |
689 | // Paramters | |
fe4da5cc | 690 | // |
4347b38f | 691 | // digits[0] [UShort_t] Detector # |
692 | // digits[1] [Char_t] Ring ID | |
693 | // digits[2] [UShort_t] Sector # | |
694 | // digits[3] [UShort_t] Strip # | |
695 | // digits[4] [UShort_t] ADC Count | |
696 | // digits[5] [Short_t] ADC Count, -1 if not used | |
697 | // digits[6] [Short_t] ADC Count, -1 if not used | |
698 | // | |
69b696b9 | 699 | AddDigitByFields(UShort_t(digits[0]), // Detector # |
700 | Char_t(digits[1]), // Ring ID | |
701 | UShort_t(digits[2]), // Sector # | |
702 | UShort_t(digits[3]), // Strip # | |
703 | UShort_t(digits[4]), // ADC Count1 | |
704 | Short_t(digits[5]), // ADC Count2 | |
705 | Short_t(digits[6])); // ADC Count3 | |
4347b38f | 706 | } |
707 | ||
708 | //____________________________________________________________________ | |
709 | void | |
69b696b9 | 710 | AliFMD::AddDigitByFields(UShort_t detector, |
711 | Char_t ring, | |
712 | UShort_t sector, | |
713 | UShort_t strip, | |
714 | UShort_t count1, | |
715 | Short_t count2, | |
716 | Short_t count3) | |
4347b38f | 717 | { |
718 | // add a real digit - as coming from data | |
719 | // | |
720 | // Parameters | |
fe4da5cc | 721 | // |
4347b38f | 722 | // detector Detector # (1, 2, or 3) |
723 | // ring Ring ID ('I' or 'O') | |
724 | // sector Sector # (For inner/outer rings: 0-19/0-39) | |
725 | // strip Strip # (For inner/outer rings: 0-511/0-255) | |
726 | // count1 ADC count (a 10-bit word) | |
727 | // count2 ADC count (a 10-bit word), or -1 if not used | |
728 | // count3 ADC count (a 10-bit word), or -1 if not used | |
729 | TClonesArray& a = *(DigitsArray()); | |
730 | ||
731 | new (a[fNdigits++]) | |
732 | AliFMDDigit(detector, ring, sector, strip, count1, count2, count3); | |
733 | } | |
734 | ||
735 | //____________________________________________________________________ | |
736 | void | |
737 | AliFMD::AddSDigit(Int_t* digits) | |
738 | { | |
739 | // Add a digit to the SDigit tree | |
740 | // | |
741 | // Paramters | |
b9a2d5e4 | 742 | // |
4347b38f | 743 | // digits[0] [UShort_t] Detector # |
744 | // digits[1] [Char_t] Ring ID | |
745 | // digits[2] [UShort_t] Sector # | |
746 | // digits[3] [UShort_t] Strip # | |
747 | // digits[4] [Float_t] Total energy deposited | |
748 | // digits[5] [UShort_t] ADC Count | |
749 | // digits[6] [Short_t] ADC Count, -1 if not used | |
750 | // digits[7] [Short_t] ADC Count, -1 if not used | |
751 | // | |
69b696b9 | 752 | AddSDigitByFields(UShort_t(digits[0]), // Detector # |
753 | Char_t(digits[1]), // Ring ID | |
754 | UShort_t(digits[2]), // Sector # | |
755 | UShort_t(digits[3]), // Strip # | |
756 | Float_t(digits[4]), // Edep | |
757 | UShort_t(digits[5]), // ADC Count1 | |
758 | Short_t(digits[6]), // ADC Count2 | |
759 | Short_t(digits[7])); // ADC Count3 | |
4347b38f | 760 | } |
761 | ||
762 | //____________________________________________________________________ | |
763 | void | |
69b696b9 | 764 | AliFMD::AddSDigitByFields(UShort_t detector, |
765 | Char_t ring, | |
766 | UShort_t sector, | |
767 | UShort_t strip, | |
768 | Float_t edep, | |
769 | UShort_t count1, | |
770 | Short_t count2, | |
771 | Short_t count3) | |
4347b38f | 772 | { |
773 | // add a summable digit | |
774 | // | |
775 | // Parameters | |
b9a2d5e4 | 776 | // |
4347b38f | 777 | // detector Detector # (1, 2, or 3) |
778 | // ring Ring ID ('I' or 'O') | |
779 | // sector Sector # (For inner/outer rings: 0-19/0-39) | |
780 | // strip Strip # (For inner/outer rings: 0-511/0-255) | |
781 | // edep Total energy deposited | |
782 | // count1 ADC count (a 10-bit word) | |
783 | // count2 ADC count (a 10-bit word), or -1 if not used | |
784 | // count3 ADC count (a 10-bit word), or -1 if not used | |
37c4363a | 785 | // |
4347b38f | 786 | TClonesArray& a = *(SDigitsArray()); |
787 | ||
788 | new (a[fNsdigits++]) | |
789 | AliFMDSDigit(detector, ring, sector, strip, edep, count1, count2, count3); | |
fe4da5cc | 790 | } |
4347b38f | 791 | |
792 | //____________________________________________________________________ | |
793 | void | |
794 | AliFMD::ResetSDigits() | |
d28dcc0d | 795 | { |
4347b38f | 796 | // |
797 | // Reset number of digits and the digits array for this detector | |
798 | // | |
799 | fNsdigits = 0; | |
800 | if (fSDigits) fSDigits->Clear(); | |
801 | } | |
802 | ||
803 | ||
804 | //____________________________________________________________________ | |
805 | TClonesArray* | |
806 | AliFMD::HitsArray() | |
807 | { | |
808 | // Initialize hit array if not already, and return pointer to it. | |
809 | if (!fHits) { | |
810 | fHits = new TClonesArray("AliFMDHit", 1000); | |
811 | fNhits = 0; | |
812 | } | |
813 | return fHits; | |
814 | } | |
815 | ||
816 | //____________________________________________________________________ | |
817 | TClonesArray* | |
818 | AliFMD::DigitsArray() | |
819 | { | |
820 | // Initialize digit array if not already, and return pointer to it. | |
821 | if (!fDigits) { | |
822 | fDigits = new TClonesArray("AliFMDDigit", 1000); | |
823 | fNdigits = 0; | |
824 | } | |
825 | return fDigits; | |
826 | } | |
827 | ||
828 | //____________________________________________________________________ | |
829 | TClonesArray* | |
830 | AliFMD::SDigitsArray() | |
831 | { | |
832 | // Initialize digit array if not already, and return pointer to it. | |
833 | if (!fSDigits) { | |
834 | fSDigits = new TClonesArray("AliFMDSDigit", 1000); | |
835 | fNsdigits = 0; | |
836 | } | |
837 | return fSDigits; | |
838 | } | |
839 | ||
840 | //==================================================================== | |
841 | // | |
842 | // Digitization | |
843 | // | |
844 | //____________________________________________________________________ | |
845 | void | |
846 | AliFMD::Hits2Digits() | |
847 | { | |
37c4363a | 848 | // Create AliFMDDigit's from AliFMDHit's. This is done by making a |
849 | // AliFMDDigitizer, and executing that code. | |
850 | // | |
a3537838 | 851 | Warning("Hits2Digits", "Try not to use this method.\n" |
852 | "Instead, use AliSimulator"); | |
4347b38f | 853 | AliRunDigitizer* manager = new AliRunDigitizer(1, 1); |
854 | manager->SetInputStream(0, "galice.root"); | |
855 | manager->SetOutputFile("H2Dfile"); | |
dc8af42e | 856 | |
4347b38f | 857 | /* AliDigitizer* dig =*/ CreateDigitizer(manager); |
858 | manager->Exec(""); | |
99d864b7 | 859 | delete manager; |
4347b38f | 860 | } |
861 | ||
862 | //____________________________________________________________________ | |
863 | void | |
864 | AliFMD::Hits2SDigits() | |
865 | { | |
37c4363a | 866 | // Create AliFMDSDigit's from AliFMDHit's. This is done by creating |
867 | // an AliFMDSDigitizer object, and executing it. | |
868 | // | |
56b1929b | 869 | AliFMDSDigitizer* digitizer = new AliFMDSDigitizer("galice.root"); |
56b1929b | 870 | digitizer->Exec(""); |
99d864b7 | 871 | delete digitizer; |
4347b38f | 872 | } |
873 | ||
dc8af42e | 874 | |
4347b38f | 875 | //____________________________________________________________________ |
876 | AliDigitizer* | |
877 | AliFMD::CreateDigitizer(AliRunDigitizer* manager) const | |
878 | { | |
879 | // Create a digitizer object | |
56b1929b | 880 | AliFMDDigitizer* digitizer = new AliFMDDigitizer(manager); |
56b1929b | 881 | return digitizer; |
4347b38f | 882 | } |
b9a2d5e4 | 883 | |
4347b38f | 884 | //==================================================================== |
885 | // | |
886 | // Raw data simulation | |
887 | // | |
888 | //__________________________________________________________________ | |
889 | void | |
890 | AliFMD::Digits2Raw() | |
891 | { | |
37c4363a | 892 | // Turn digits into raw data. |
893 | // | |
e802be3e | 894 | // This uses the class AliFMDRawWriter to do the job. Please refer |
895 | // to that class for more information. | |
896 | AliFMDRawWriter writer(this); | |
897 | writer.Exec(); | |
b9a2d5e4 | 898 | } |
899 | ||
4347b38f | 900 | |
901 | //==================================================================== | |
902 | // | |
903 | // Utility | |
904 | // | |
905 | //__________________________________________________________________ | |
906 | void | |
907 | AliFMD::Browse(TBrowser* b) | |
908 | { | |
37c4363a | 909 | // Browse this object. |
910 | // | |
824466d5 | 911 | AliDebug(30, "\tBrowsing the FMD"); |
4347b38f | 912 | AliDetector::Browse(b); |
1a1fdef7 | 913 | if (fSimulator) b->Add(fSimulator); |
914 | b->Add(AliFMDGeometry::Instance()); | |
4347b38f | 915 | } |
916 | ||
4347b38f | 917 | //___________________________________________________________________ |
918 | // | |
919 | // EOF | |
920 | // |