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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 | **************************************************************************/ | |
15 | ||
88cb7938 | 16 | /* $Id$ */ |
4c039060 | 17 | |
fe4da5cc | 18 | /////////////////////////////////////////////////////////////////////////////// |
19 | // // | |
20 | // Transition Radiation Detector // | |
21 | // This class contains the basic functions for the Transition Radiation // | |
6f1e466d | 22 | // Detector. // |
fe4da5cc | 23 | // // |
24 | /////////////////////////////////////////////////////////////////////////////// | |
25 | ||
5c7f4665 | 26 | #include <stdlib.h> |
a2cb5b3d | 27 | #include <Riostream.h> |
5c7f4665 | 28 | |
88cb7938 | 29 | #include <TFile.h> |
30 | #include <TGeometry.h> | |
31 | #include <TLorentzVector.h> | |
fe4da5cc | 32 | #include <TMath.h> |
fe4da5cc | 33 | #include <TNode.h> |
793ff80c | 34 | #include <TPGON.h> |
332e9569 | 35 | #include <TParticle.h> |
88cb7938 | 36 | #include <TROOT.h> |
37 | #include <TTree.h> | |
38 | #include <TVirtualMC.h> | |
39 | ||
d3f347ff | 40 | #include "AliConst.h" |
793ff80c | 41 | #include "AliDigit.h" |
88cb7938 | 42 | #include "AliLoader.h" |
793ff80c | 43 | #include "AliMagF.h" |
88cb7938 | 44 | #include "AliRun.h" |
793ff80c | 45 | #include "AliTRD.h" |
88cb7938 | 46 | #include "AliTRDcluster.h" |
47 | #include "AliTRDclusterizer.h" | |
793ff80c | 48 | #include "AliTRDdigit.h" |
851d3db9 | 49 | #include "AliTRDdigitizer.h" |
88cb7938 | 50 | #include "AliTRDdigitsManager.h" |
851d3db9 | 51 | #include "AliTRDgeometryFull.h" |
88cb7938 | 52 | #include "AliTRDgeometryHole.h" |
53 | #include "AliTRDhit.h" | |
54 | #include "AliTRDpoints.h" | |
851d3db9 | 55 | #include "AliTRDrecPoint.h" |
332e9569 | 56 | #include "AliTRDtrackHits.h" |
88cb7938 | 57 | #include "AliTrackReference.h" |
5d12ce38 | 58 | #include "AliMC.h" |
596a855f | 59 | #include "AliTRDclusterizerV1.h" |
60 | #include "AliTRDparameter.h" | |
61 | #include "AliTRDtracker.h" | |
793ff80c | 62 | |
fe4da5cc | 63 | ClassImp(AliTRD) |
64 | ||
65 | //_____________________________________________________________________________ | |
66 | AliTRD::AliTRD() | |
67 | { | |
68 | // | |
69 | // Default constructor | |
70 | // | |
82bbf98a | 71 | |
6244debe | 72 | fIshunt = 0; |
73 | fGasMix = 0; | |
74 | fHits = 0; | |
75 | fDigits = 0; | |
5c7f4665 | 76 | |
6244debe | 77 | fRecPoints = 0; |
78 | fNRecPoints = 0; | |
5c7f4665 | 79 | |
6244debe | 80 | fGeometry = 0; |
82bbf98a | 81 | |
6244debe | 82 | fGasDensity = 0; |
83 | fFoilDensity = 0; | |
793ff80c | 84 | |
6244debe | 85 | fDrawTR = 0; |
332e9569 | 86 | fDisplayType = 0; |
87 | ||
88 | fTrackHits = 0; | |
89 | fHitType = 0; | |
6244debe | 90 | |
fe4da5cc | 91 | } |
92 | ||
93 | //_____________________________________________________________________________ | |
94 | AliTRD::AliTRD(const char *name, const char *title) | |
95 | : AliDetector(name,title) | |
96 | { | |
97 | // | |
98 | // Standard constructor for the TRD | |
99 | // | |
100 | ||
5c7f4665 | 101 | // Check that FRAME is there otherwise we have no place where to |
102 | // put TRD | |
8230f242 | 103 | AliModule* frame = gAlice->GetModule("FRAME"); |
104 | if (!frame) { | |
5c7f4665 | 105 | Error("Ctor","TRD needs FRAME to be present\n"); |
106 | exit(1); | |
107 | } | |
108 | ||
109 | // Define the TRD geometry according to the FRAME geometry | |
8230f242 | 110 | if (frame->IsVersion() == 0) { |
851d3db9 | 111 | // Geometry with hole |
112 | fGeometry = new AliTRDgeometryHole(); | |
113 | } | |
8230f242 | 114 | else if (frame->IsVersion() == 1) { |
851d3db9 | 115 | // Geometry without hole |
116 | fGeometry = new AliTRDgeometryFull(); | |
117 | } | |
118 | else { | |
119 | Error("Ctor","Could not find valid FRAME version\n"); | |
120 | exit(1); | |
121 | } | |
5c7f4665 | 122 | |
fe4da5cc | 123 | // Allocate the hit array |
f73816f5 | 124 | fHits = new TClonesArray("AliTRDhit" ,405); |
5d12ce38 | 125 | gAlice->GetMCApp()->AddHitList(fHits); |
99d5402e | 126 | |
127 | // Allocate the digits array | |
f73816f5 | 128 | fDigits = 0; |
5c7f4665 | 129 | |
851d3db9 | 130 | // Allocate the rec point array |
6244debe | 131 | fRecPoints = new TObjArray(400); |
132 | fNRecPoints = 0; | |
99d5402e | 133 | |
6244debe | 134 | fIshunt = 0; |
135 | fGasMix = 1; | |
793ff80c | 136 | |
6244debe | 137 | fGasDensity = 0; |
138 | fFoilDensity = 0; | |
793ff80c | 139 | |
6244debe | 140 | fDrawTR = 0; |
141 | fDisplayType = 0; | |
142 | ||
332e9569 | 143 | fTrackHits = 0; |
144 | fHitType = 2; | |
145 | ||
fe4da5cc | 146 | SetMarkerColor(kWhite); |
82bbf98a | 147 | |
fe4da5cc | 148 | } |
99d5402e | 149 | |
8230f242 | 150 | //_____________________________________________________________________________ |
73ae7b59 | 151 | AliTRD::AliTRD(const AliTRD &trd):AliDetector(trd) |
8230f242 | 152 | { |
153 | // | |
154 | // Copy constructor | |
155 | // | |
156 | ||
dd9a6ee3 | 157 | ((AliTRD &) trd).Copy(*this); |
8230f242 | 158 | |
159 | } | |
160 | ||
99d5402e | 161 | //_____________________________________________________________________________ |
162 | AliTRD::~AliTRD() | |
163 | { | |
164 | // | |
165 | // TRD destructor | |
166 | // | |
167 | ||
168 | fIshunt = 0; | |
169 | ||
abaf1f1d | 170 | if (fGeometry) { |
171 | delete fGeometry; | |
332e9569 | 172 | fGeometry = 0; |
abaf1f1d | 173 | } |
174 | if (fHits) { | |
175 | delete fHits; | |
332e9569 | 176 | fHits = 0; |
abaf1f1d | 177 | } |
178 | if (fRecPoints) { | |
179 | delete fRecPoints; | |
332e9569 | 180 | fRecPoints = 0; |
181 | } | |
182 | if (fTrackHits) { | |
183 | delete fTrackHits; | |
184 | fTrackHits = 0; | |
6244debe | 185 | } |
5c7f4665 | 186 | |
187 | } | |
188 | ||
189 | //_____________________________________________________________________________ | |
5443e65e | 190 | void AliTRD::AddCluster(Float_t *pos, Int_t det, Float_t amp |
191 | , Int_t *tracks, Float_t *sig, Int_t iType) | |
5c7f4665 | 192 | { |
193 | // | |
f73816f5 | 194 | // Add a cluster for the TRD |
851d3db9 | 195 | // |
793ff80c | 196 | |
f73816f5 | 197 | AliTRDcluster *c = new AliTRDcluster(); |
198 | ||
199 | c->SetDetector(det); | |
200 | c->AddTrackIndex(tracks); | |
f73816f5 | 201 | c->SetQ(amp); |
5443e65e | 202 | c->SetY(pos[0]); |
203 | c->SetZ(pos[1]); | |
204 | c->SetSigmaY2(sig[0]); | |
205 | c->SetSigmaZ2(sig[1]); | |
f73816f5 | 206 | c->SetLocalTimeBin(((Int_t) pos[2])); |
f73816f5 | 207 | |
db30bf0f | 208 | switch (iType) { |
209 | case 0: | |
210 | c->Set2pad(); | |
211 | break; | |
212 | case 1: | |
213 | c->Set3pad(); | |
214 | break; | |
215 | case 2: | |
216 | c->Set4pad(); | |
217 | break; | |
218 | case 3: | |
219 | c->Set5pad(); | |
220 | break; | |
221 | case 4: | |
222 | c->SetLarge(); | |
223 | break; | |
224 | }; | |
793ff80c | 225 | |
f73816f5 | 226 | fRecPoints->Add(c); |
6f1e466d | 227 | |
99d5402e | 228 | } |
6244debe | 229 | |
230 | //_____________________________________________________________________________ | |
231 | void AliTRD::Hits2Digits() | |
2ab0c725 | 232 | { |
233 | // | |
234 | // Create digits | |
235 | // | |
6244debe | 236 | AliTRDdigitizer *digitizer = new AliTRDdigitizer("TRDdigitizer" |
237 | ,"TRD digitizer class"); | |
332e9569 | 238 | digitizer->SetDebug(GetDebug()); |
88cb7938 | 239 | |
6244debe | 240 | // Initialization |
db30bf0f | 241 | digitizer->InitDetector(); |
6244debe | 242 | |
85a5290f | 243 | if (!fLoader->TreeH()) fLoader->LoadHits("read"); |
244 | fLoader->LoadDigits("recreate"); | |
245 | AliRunLoader* runLoader = fLoader->GetRunLoader(); | |
6244debe | 246 | |
85a5290f | 247 | for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) { |
248 | digitizer->Open(runLoader->GetFileName().Data(), iEvent); | |
249 | digitizer->MakeDigits(); | |
6244debe | 250 | digitizer->WriteDigits(); |
6244debe | 251 | } |
252 | ||
85a5290f | 253 | fLoader->UnloadHits(); |
254 | fLoader->UnloadDigits(); | |
6244debe | 255 | } |
256 | ||
257 | //_____________________________________________________________________________ | |
258 | void AliTRD::Hits2SDigits() | |
259 | { | |
260 | // | |
261 | // Create summable digits | |
262 | // | |
6244debe | 263 | AliTRDdigitizer *digitizer = new AliTRDdigitizer("TRDdigitizer" |
264 | ,"TRD digitizer class"); | |
6244debe | 265 | // For the summable digits |
266 | digitizer->SetSDigits(kTRUE); | |
85a5290f | 267 | digitizer->SetDebug(GetDebug()); |
6244debe | 268 | |
269 | // Initialization | |
db30bf0f | 270 | digitizer->InitDetector(); |
2ab0c725 | 271 | |
85a5290f | 272 | if (!fLoader->TreeH()) fLoader->LoadHits("read"); |
273 | fLoader->LoadSDigits("recreate"); | |
274 | AliRunLoader* runLoader = fLoader->GetRunLoader(); | |
6244debe | 275 | |
85a5290f | 276 | for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) { |
277 | digitizer->Open(runLoader->GetFileName().Data(), iEvent); | |
278 | digitizer->MakeDigits(); | |
6244debe | 279 | digitizer->WriteDigits(); |
85a5290f | 280 | } |
2ab0c725 | 281 | |
85a5290f | 282 | fLoader->UnloadHits(); |
283 | fLoader->UnloadSDigits(); | |
2ab0c725 | 284 | } |
6244debe | 285 | |
85a5290f | 286 | //_____________________________________________________________________________ |
c92eb8ad | 287 | AliDigitizer* AliTRD::CreateDigitizer(AliRunDigitizer* manager) const |
85a5290f | 288 | { |
289 | return new AliTRDdigitizer(manager); | |
6244debe | 290 | } |
291 | ||
292 | //_____________________________________________________________________________ | |
293 | void AliTRD::SDigits2Digits() | |
294 | { | |
295 | // | |
296 | // Create final digits from summable digits | |
297 | // | |
298 | ||
abaf1f1d | 299 | // Create the TRD digitizer |
300 | AliTRDdigitizer *digitizer = new AliTRDdigitizer("TRDdigitizer" | |
301 | ,"TRD digitizer class"); | |
332e9569 | 302 | digitizer->SetDebug(GetDebug()); |
99d5402e | 303 | |
abaf1f1d | 304 | // Set the parameter |
305 | digitizer->SetEvent(gAlice->GetEvNumber()); | |
306 | ||
307 | // Initialization | |
308 | digitizer->InitDetector(); | |
309 | ||
310 | // Read the s-digits via digits manager | |
311 | AliTRDdigitsManager *sdigitsManager = new AliTRDdigitsManager(); | |
88cb7938 | 312 | |
332e9569 | 313 | sdigitsManager->SetDebug(GetDebug()); |
abaf1f1d | 314 | sdigitsManager->SetSDigits(kTRUE); |
abaf1f1d | 315 | sdigitsManager->CreateArrays(); |
88cb7938 | 316 | |
317 | if (!fLoader->TreeS()) | |
318 | if (fLoader->LoadSDigits("read")) | |
319 | { | |
320 | Error("SDigits2Digits","Error while reading SDigits for event %d",gAlice->GetEvNumber()); | |
321 | return; | |
322 | } | |
323 | if (!fLoader->TreeS()) return; | |
324 | ||
325 | sdigitsManager->ReadDigits(fLoader->TreeS()); | |
abaf1f1d | 326 | |
327 | // Add the s-digits to the input list | |
328 | digitizer->AddSDigitsManager(sdigitsManager); | |
99d5402e | 329 | |
abaf1f1d | 330 | // Convert the s-digits to normal digits |
331 | digitizer->SDigits2Digits(); | |
332 | ||
333 | // Store the digits | |
88cb7938 | 334 | if (!fLoader->TreeD()) fLoader->MakeTree("D"); |
335 | if (digitizer->MakeBranch(fLoader->TreeD())){ | |
abaf1f1d | 336 | digitizer->WriteDigits(); |
abaf1f1d | 337 | } |
99d5402e | 338 | |
339 | } | |
340 | ||
fe4da5cc | 341 | //_____________________________________________________________________________ |
332e9569 | 342 | void AliTRD::AddHit(Int_t track, Int_t det, Float_t *hits, Int_t q |
343 | , Bool_t inDrift) | |
fe4da5cc | 344 | { |
345 | // | |
346 | // Add a hit for the TRD | |
332e9569 | 347 | // |
348 | // The data structure is set according to fHitType: | |
349 | // bit0: standard TClonesArray | |
350 | // bit1: compressed trackHits structure | |
fe4da5cc | 351 | // |
82bbf98a | 352 | |
332e9569 | 353 | if (fHitType & 1) { |
354 | TClonesArray &lhits = *fHits; | |
355 | new(lhits[fNhits++]) AliTRDhit(fIshunt,track,det,hits,q); | |
356 | } | |
357 | ||
358 | if (fHitType > 1) { | |
359 | AddHit2(track,det,hits,q,inDrift); | |
360 | } | |
82bbf98a | 361 | |
fe4da5cc | 362 | } |
363 | ||
364 | //_____________________________________________________________________________ | |
365 | void AliTRD::BuildGeometry() | |
366 | { | |
367 | // | |
368 | // Create the ROOT TNode geometry for the TRD | |
369 | // | |
82bbf98a | 370 | |
8230f242 | 371 | TNode *node, *top; |
fe4da5cc | 372 | TPGON *pgon; |
793ff80c | 373 | |
374 | Float_t rmin, rmax; | |
375 | Float_t zmax1, zmax2; | |
db30bf0f | 376 | |
377 | Int_t iPlan; | |
793ff80c | 378 | |
fe4da5cc | 379 | const Int_t kColorTRD = 46; |
d3f347ff | 380 | |
fe4da5cc | 381 | // Find the top node alice |
8230f242 | 382 | top = gAlice->GetGeometry()->GetNode("alice"); |
d3f347ff | 383 | |
db30bf0f | 384 | if (fDisplayType == 0) { |
793ff80c | 385 | |
386 | pgon = new TPGON("S_TRD","TRD","void",0,360,AliTRDgeometry::Nsect(),4); | |
387 | rmin = AliTRDgeometry::Rmin(); | |
388 | rmax = AliTRDgeometry::Rmax(); | |
389 | pgon->DefineSection(0,-AliTRDgeometry::Zmax1(),rmax,rmax); | |
390 | pgon->DefineSection(1,-AliTRDgeometry::Zmax2(),rmin,rmax); | |
391 | pgon->DefineSection(2, AliTRDgeometry::Zmax2(),rmin,rmax); | |
392 | pgon->DefineSection(3, AliTRDgeometry::Zmax1(),rmax,rmax); | |
393 | top->cd(); | |
394 | node = new TNode("TRD","TRD","S_TRD",0,0,0,""); | |
395 | node->SetLineColor(kColorTRD); | |
396 | fNodes->Add(node); | |
397 | ||
db30bf0f | 398 | } |
399 | else if (fDisplayType == 1) { | |
793ff80c | 400 | |
f73816f5 | 401 | Char_t name[7]; |
402 | ||
793ff80c | 403 | Float_t slope = (AliTRDgeometry::Zmax1() - AliTRDgeometry::Zmax2()) |
404 | / (AliTRDgeometry::Rmax() - AliTRDgeometry::Rmin()); | |
405 | ||
332e9569 | 406 | rmin = AliTRDgeometry::Rmin() + AliTRDgeometry::CraHght(); |
407 | rmax = rmin + AliTRDgeometry::CdrHght(); | |
f73816f5 | 408 | |
409 | Float_t thickness = rmin - AliTRDgeometry::Rmin(); | |
410 | zmax2 = AliTRDgeometry::Zmax2() + slope * thickness; | |
793ff80c | 411 | zmax1 = zmax2 + slope * AliTRDgeometry::DrThick(); |
793ff80c | 412 | |
db30bf0f | 413 | for (iPlan = 0; iPlan < AliTRDgeometry::Nplan(); iPlan++) { |
793ff80c | 414 | |
f73816f5 | 415 | sprintf(name,"S_TR1%d",iPlan); |
416 | pgon = new TPGON(name,"TRD","void",0,360,AliTRDgeometry::Nsect(),4); | |
417 | pgon->DefineSection(0,-zmax1,rmax,rmax); | |
418 | pgon->DefineSection(1,-zmax2,rmin,rmax); | |
419 | pgon->DefineSection(2, zmax2,rmin,rmax); | |
420 | pgon->DefineSection(3, zmax1,rmax,rmax); | |
421 | top->cd(); | |
422 | node = new TNode("TRD","TRD",name,0,0,0,""); | |
423 | node->SetLineColor(kColorTRD); | |
424 | fNodes->Add(node); | |
425 | ||
426 | Float_t height = AliTRDgeometry::Cheight() + AliTRDgeometry::Cspace(); | |
427 | rmin = rmin + height; | |
428 | rmax = rmax + height; | |
429 | zmax1 = zmax1 + slope * height; | |
430 | zmax2 = zmax2 + slope * height; | |
431 | ||
432 | } | |
433 | ||
434 | thickness += AliTRDgeometry::DrThick(); | |
435 | rmin = AliTRDgeometry::Rmin() + thickness; | |
436 | rmax = rmin + AliTRDgeometry::AmThick(); | |
437 | zmax2 = AliTRDgeometry::Zmax2() + slope * thickness; | |
438 | zmax1 = zmax2 + slope * AliTRDgeometry::AmThick(); | |
439 | ||
db30bf0f | 440 | for (iPlan = 0; iPlan < AliTRDgeometry::Nplan(); iPlan++) { |
f73816f5 | 441 | |
442 | sprintf(name,"S_TR2%d",iPlan); | |
793ff80c | 443 | pgon = new TPGON(name,"TRD","void",0,360,AliTRDgeometry::Nsect(),4); |
444 | pgon->DefineSection(0,-zmax1,rmax,rmax); | |
445 | pgon->DefineSection(1,-zmax2,rmin,rmax); | |
446 | pgon->DefineSection(2, zmax2,rmin,rmax); | |
447 | pgon->DefineSection(3, zmax1,rmax,rmax); | |
448 | top->cd(); | |
449 | node = new TNode("TRD","TRD",name,0,0,0,""); | |
450 | node->SetLineColor(kColorTRD); | |
451 | fNodes->Add(node); | |
452 | ||
453 | Float_t height = AliTRDgeometry::Cheight() + AliTRDgeometry::Cspace(); | |
454 | rmin = rmin + height; | |
455 | rmax = rmax + height; | |
456 | zmax1 = zmax1 + slope * height; | |
457 | zmax2 = zmax2 + slope * height; | |
458 | ||
459 | } | |
460 | ||
db30bf0f | 461 | } |
d3f347ff | 462 | |
fe4da5cc | 463 | } |
464 | ||
8230f242 | 465 | //_____________________________________________________________________________ |
dd9a6ee3 | 466 | void AliTRD::Copy(TObject &trd) |
8230f242 | 467 | { |
468 | // | |
469 | // Copy function | |
470 | // | |
471 | ||
793ff80c | 472 | ((AliTRD &) trd).fGasMix = fGasMix; |
473 | ((AliTRD &) trd).fGeometry = fGeometry; | |
474 | ((AliTRD &) trd).fRecPoints = fRecPoints; | |
475 | ((AliTRD &) trd).fNRecPoints = fNRecPoints; | |
476 | ((AliTRD &) trd).fGasDensity = fGasDensity; | |
477 | ((AliTRD &) trd).fFoilDensity = fFoilDensity; | |
478 | ((AliTRD &) trd).fDrawTR = fDrawTR; | |
479 | ((AliTRD &) trd).fDisplayType = fDisplayType; | |
332e9569 | 480 | ((AliTRD &) trd).fHitType = fHitType; |
8230f242 | 481 | |
482 | //AliDetector::Copy(trd); | |
483 | ||
484 | } | |
485 | ||
fe4da5cc | 486 | //_____________________________________________________________________________ |
82bbf98a | 487 | void AliTRD::CreateGeometry() |
fe4da5cc | 488 | { |
82bbf98a | 489 | // |
490 | // Creates the volumes for the TRD chambers | |
491 | // | |
82bbf98a | 492 | |
493 | // Check that FRAME is there otherwise we have no place where to put the TRD | |
8230f242 | 494 | AliModule* frame = gAlice->GetModule("FRAME"); |
495 | if (!frame) { | |
851d3db9 | 496 | printf(" The TRD needs the FRAME to be defined first\n"); |
497 | return; | |
82bbf98a | 498 | } |
d3f347ff | 499 | |
851d3db9 | 500 | fGeometry->CreateGeometry(fIdtmed->GetArray() - 1299); |
5c7f4665 | 501 | |
82bbf98a | 502 | } |
503 | ||
504 | //_____________________________________________________________________________ | |
505 | void AliTRD::CreateMaterials() | |
506 | { | |
fe4da5cc | 507 | // |
508 | // Create the materials for the TRD | |
509 | // Origin Y.Foka | |
510 | // | |
511 | ||
8230f242 | 512 | Int_t isxfld = gAlice->Field()->Integ(); |
513 | Float_t sxmgmx = gAlice->Field()->Max(); | |
fe4da5cc | 514 | |
d3f347ff | 515 | // For polyethilene (CH2) |
516 | Float_t ape[2] = { 12., 1. }; | |
517 | Float_t zpe[2] = { 6., 1. }; | |
518 | Float_t wpe[2] = { 1., 2. }; | |
519 | Float_t dpe = 0.95; | |
520 | ||
521 | // For mylar (C5H4O2) | |
522 | Float_t amy[3] = { 12., 1., 16. }; | |
523 | Float_t zmy[3] = { 6., 1., 8. }; | |
524 | Float_t wmy[3] = { 5., 4., 2. }; | |
fe4da5cc | 525 | Float_t dmy = 1.39; |
d3f347ff | 526 | |
527 | // For CO2 | |
528 | Float_t aco[2] = { 12., 16. }; | |
529 | Float_t zco[2] = { 6., 8. }; | |
530 | Float_t wco[2] = { 1., 2. }; | |
531 | Float_t dco = 0.001977; | |
532 | ||
533 | // For water | |
534 | Float_t awa[2] = { 1., 16. }; | |
535 | Float_t zwa[2] = { 1., 8. }; | |
536 | Float_t wwa[2] = { 2., 1. }; | |
537 | Float_t dwa = 1.0; | |
538 | ||
539 | // For isobutane (C4H10) | |
540 | Float_t ais[2] = { 12., 1. }; | |
541 | Float_t zis[2] = { 6., 1. }; | |
542 | Float_t wis[2] = { 4., 10. }; | |
543 | Float_t dis = 0.00267; | |
544 | ||
db30bf0f | 545 | // For plexiglas (C5H8O2) |
546 | Float_t apg[3] = { 12.011 , 1.0 , 15.9994 }; | |
547 | Float_t zpg[3] = { 6.0 , 1.0 , 8.0 }; | |
548 | Float_t wpg[3] = { 5.0 , 8.0 , 2.0 }; | |
549 | Float_t dpg = 1.18; | |
550 | ||
d3f347ff | 551 | // For Xe/CO2-gas-mixture |
db30bf0f | 552 | // Xe-content of the Xe/CO2-mixture (85% / 15%) |
553 | Float_t fxc = .85; | |
d3f347ff | 554 | // Xe-content of the Xe/Isobutane-mixture (97% / 3%) |
555 | Float_t fxi = .97; | |
fe4da5cc | 556 | Float_t dxe = .005858; |
557 | ||
d3f347ff | 558 | // General tracking parameter |
fe4da5cc | 559 | Float_t tmaxfd = -10.; |
560 | Float_t stemax = -1e10; | |
d3f347ff | 561 | Float_t deemax = -0.1; |
562 | Float_t epsil = 1e-4; | |
563 | Float_t stmin = -0.001; | |
fe4da5cc | 564 | |
565 | Float_t absl, radl, d, buf[1]; | |
793ff80c | 566 | Float_t agm[2], zgm[2], wgm[2]; |
567 | Float_t dgm1, dgm2; | |
d3f347ff | 568 | Int_t nbuf; |
fe4da5cc | 569 | |
d3f347ff | 570 | ////////////////////////////////////////////////////////////////////////// |
fe4da5cc | 571 | // Define Materials |
d3f347ff | 572 | ////////////////////////////////////////////////////////////////////////// |
573 | ||
16bf9884 | 574 | AliMaterial( 1, "Al" , 26.98, 13.0, 2.7 , 8.9 , 37.2); |
575 | AliMaterial( 2, "Air" , 14.61, 7.3, 0.001205, 30420.0 , 67500.0); | |
576 | AliMaterial( 4, "Xe" , 131.29, 54.0, dxe , 1447.59, 0.0); | |
577 | AliMaterial( 5, "Cu" , 63.54, 29.0, 8.96 , 1.43, 14.8); | |
578 | AliMaterial( 6, "C" , 12.01, 6.0, 2.265 , 18.8 , 74.4); | |
579 | AliMaterial(12, "G10" , 20.00, 10.0, 1.7 , 19.4 , 999.0); | |
580 | AliMaterial(15, "Sn" , 118.71, 50.0, 7.31 , 1.21, 14.8); | |
581 | AliMaterial(16, "Si" , 28.09, 14.0, 2.33 , 9.36, 37.2); | |
582 | AliMaterial(17, "Epoxy", 17.75, 8.9, 1.8 , 21.82, 999.0); | |
d3f347ff | 583 | |
584 | // Mixtures | |
db30bf0f | 585 | AliMixture(3, "Polyethilene", ape, zpe, dpe, -2, wpe); |
586 | AliMixture(7, "Mylar", amy, zmy, dmy, -3, wmy); | |
587 | AliMixture(8, "CO2", aco, zco, dco, -2, wco); | |
588 | AliMixture(9, "Isobutane", ais, zis, dis, -2, wis); | |
589 | AliMixture(13,"Water", awa, zwa, dwa, -2, wwa); | |
590 | AliMixture(14,"Plexiglas", apg, zpg, dpg, -3, wpg); | |
d3f347ff | 591 | |
592 | // Gas mixtures | |
00d6d986 | 593 | Char_t namate[21]=""; |
d3f347ff | 594 | // Xe/CO2-mixture |
595 | // Get properties of Xe | |
cfce8870 | 596 | gMC->Gfmate((*fIdmate)[4], namate, agm[0], zgm[0], d, radl, absl, buf, nbuf); |
d3f347ff | 597 | // Get properties of CO2 |
cfce8870 | 598 | gMC->Gfmate((*fIdmate)[8], namate, agm[1], zgm[1], d, radl, absl, buf, nbuf); |
d3f347ff | 599 | // Create gas mixture |
600 | wgm[0] = fxc; | |
601 | wgm[1] = 1. - fxc; | |
793ff80c | 602 | dgm1 = wgm[0] * dxe + wgm[1] * dco; |
db30bf0f | 603 | AliMixture(10, "Gas mixture 1", agm, zgm, dgm1, 2, wgm); |
d3f347ff | 604 | // Xe/Isobutane-mixture |
605 | // Get properties of Xe | |
cfce8870 | 606 | gMC->Gfmate((*fIdmate)[4], namate, agm[0], zgm[0], d, radl, absl, buf, nbuf); |
d3f347ff | 607 | // Get properties of Isobutane |
cfce8870 | 608 | gMC->Gfmate((*fIdmate)[9], namate, agm[1], zgm[1], d, radl, absl, buf, nbuf); |
d3f347ff | 609 | // Create gas mixture |
610 | wgm[0] = fxi; | |
611 | wgm[1] = 1. - fxi; | |
793ff80c | 612 | dgm2 = wgm[0] * dxe + wgm[1] * dis; |
db30bf0f | 613 | AliMixture(11, "Gas mixture 2", agm, zgm, dgm2, 2, wgm); |
d3f347ff | 614 | |
615 | ////////////////////////////////////////////////////////////////////////// | |
fe4da5cc | 616 | // Tracking Media Parameters |
d3f347ff | 617 | ////////////////////////////////////////////////////////////////////////// |
618 | ||
619 | // Al Frame | |
db30bf0f | 620 | AliMedium(1, "Al Frame", 1, 0, isxfld, sxmgmx |
d3f347ff | 621 | , tmaxfd, stemax, deemax, epsil, stmin); |
622 | // Air | |
db30bf0f | 623 | AliMedium(2, "Air", 2, 0, isxfld, sxmgmx |
d3f347ff | 624 | , tmaxfd, stemax, deemax, epsil, stmin); |
625 | // Polyethilene | |
db30bf0f | 626 | AliMedium(3, "Radiator", 3, 0, isxfld, sxmgmx |
d3f347ff | 627 | , tmaxfd, stemax, deemax, epsil, stmin); |
628 | // Xe | |
db30bf0f | 629 | AliMedium(4, "Xe", 4, 1, isxfld, sxmgmx |
d3f347ff | 630 | , tmaxfd, stemax, deemax, epsil, stmin); |
631 | // Cu pads | |
db30bf0f | 632 | AliMedium(5, "Padplane", 5, 1, isxfld, sxmgmx |
d3f347ff | 633 | , tmaxfd, stemax, deemax, epsil, stmin); |
634 | // Fee + cables | |
db30bf0f | 635 | AliMedium(6, "Readout", 1, 0, isxfld, sxmgmx |
d3f347ff | 636 | , tmaxfd, stemax, deemax, epsil, stmin); |
637 | // C frame | |
db30bf0f | 638 | AliMedium(7, "C Frame", 6, 0, isxfld, sxmgmx |
d3f347ff | 639 | , tmaxfd, stemax, deemax, epsil, stmin); |
640 | // Mylar foils | |
db30bf0f | 641 | AliMedium(8, "Mylar", 7, 0, isxfld, sxmgmx |
d3f347ff | 642 | , tmaxfd, stemax, deemax, epsil, stmin); |
643 | if (fGasMix == 1) { | |
644 | // Gas-mixture (Xe/CO2) | |
db30bf0f | 645 | AliMedium(9, "Gas-mix", 10, 1, isxfld, sxmgmx |
d3f347ff | 646 | , tmaxfd, stemax, deemax, epsil, stmin); |
647 | } | |
648 | else { | |
649 | // Gas-mixture (Xe/Isobutane) | |
db30bf0f | 650 | AliMedium(9, "Gas-mix", 11, 1, isxfld, sxmgmx |
d3f347ff | 651 | , tmaxfd, stemax, deemax, epsil, stmin); |
652 | } | |
653 | // Nomex-honeycomb (use carbon for the time being) | |
db30bf0f | 654 | AliMedium(10, "Nomex", 6, 0, isxfld, sxmgmx |
d3f347ff | 655 | , tmaxfd, stemax, deemax, epsil, stmin); |
656 | // Kapton foils (use Mylar for the time being) | |
db30bf0f | 657 | AliMedium(11, "Kapton", 7, 0, isxfld, sxmgmx |
d3f347ff | 658 | , tmaxfd, stemax, deemax, epsil, stmin); |
659 | // Gas-filling of the radiator | |
db30bf0f | 660 | AliMedium(12, "CO2", 8, 0, isxfld, sxmgmx |
d3f347ff | 661 | , tmaxfd, stemax, deemax, epsil, stmin); |
662 | // G10-plates | |
db30bf0f | 663 | AliMedium(13, "G10-plates",12, 0, isxfld, sxmgmx |
d3f347ff | 664 | , tmaxfd, stemax, deemax, epsil, stmin); |
665 | // Cooling water | |
db30bf0f | 666 | AliMedium(14, "Water", 13, 0, isxfld, sxmgmx |
667 | , tmaxfd, stemax, deemax, epsil, stmin); | |
668 | // Rohacell (plexiglas) for the radiator | |
669 | AliMedium(15, "Rohacell", 14, 0, isxfld, sxmgmx | |
d3f347ff | 670 | , tmaxfd, stemax, deemax, epsil, stmin); |
16bf9884 | 671 | // Al layer in MCMs |
672 | AliMedium(16, "MCM-Al" , 1, 0, isxfld, sxmgmx | |
673 | , tmaxfd, stemax, deemax, epsil, stmin); | |
674 | // Sn layer in MCMs | |
675 | AliMedium(17, "MCM-Sn" , 15, 0, isxfld, sxmgmx | |
676 | , tmaxfd, stemax, deemax, epsil, stmin); | |
677 | // Cu layer in MCMs | |
678 | AliMedium(18, "MCM-Cu" , 5, 0, isxfld, sxmgmx | |
679 | , tmaxfd, stemax, deemax, epsil, stmin); | |
680 | // G10 layer in MCMs | |
681 | AliMedium(19, "MCM-G10" , 12, 0, isxfld, sxmgmx | |
682 | , tmaxfd, stemax, deemax, epsil, stmin); | |
683 | // Si in readout chips | |
684 | AliMedium(20, "Chip-Si" , 16, 0, isxfld, sxmgmx | |
685 | , tmaxfd, stemax, deemax, epsil, stmin); | |
686 | // Epoxy in readout chips | |
687 | AliMedium(21, "Chip-Ep" , 17, 0, isxfld, sxmgmx | |
688 | , tmaxfd, stemax, deemax, epsil, stmin); | |
689 | // PE in connectors | |
690 | AliMedium(22, "Conn-PE" , 3, 0, isxfld, sxmgmx | |
691 | , tmaxfd, stemax, deemax, epsil, stmin); | |
692 | // Cu in connectors | |
693 | AliMedium(23, "Chip-Cu" , 5, 0, isxfld, sxmgmx | |
694 | , tmaxfd, stemax, deemax, epsil, stmin); | |
695 | // Al of cooling pipes | |
696 | AliMedium(24, "Cooling" , 1, 0, isxfld, sxmgmx | |
697 | , tmaxfd, stemax, deemax, epsil, stmin); | |
73ae7b59 | 698 | // Cu in services |
699 | AliMedium(25, "Serv-Cu" , 5, 0, isxfld, sxmgmx | |
700 | , tmaxfd, stemax, deemax, epsil, stmin); | |
d3f347ff | 701 | |
793ff80c | 702 | // Save the density values for the TRD absorbtion |
703 | fFoilDensity = dmy; | |
704 | if (fGasMix == 1) | |
705 | fGasDensity = dgm1; | |
706 | else | |
707 | fGasDensity = dgm2; | |
708 | ||
fe4da5cc | 709 | } |
710 | ||
82bbf98a | 711 | //_____________________________________________________________________________ |
0a29d0f1 | 712 | void AliTRD::DrawModule() const |
82bbf98a | 713 | { |
714 | // | |
715 | // Draw a shaded view of the Transition Radiation Detector version 0 | |
716 | // | |
717 | ||
718 | // Set everything unseen | |
719 | gMC->Gsatt("*" ,"SEEN",-1); | |
720 | ||
721 | // Set ALIC mother transparent | |
722 | gMC->Gsatt("ALIC","SEEN", 0); | |
723 | ||
724 | // Set the volumes visible | |
851d3db9 | 725 | if (fGeometry->IsVersion() == 0) { |
5c7f4665 | 726 | gMC->Gsatt("B071","SEEN", 0); |
727 | gMC->Gsatt("B074","SEEN", 0); | |
728 | gMC->Gsatt("B075","SEEN", 0); | |
729 | gMC->Gsatt("B077","SEEN", 0); | |
730 | gMC->Gsatt("BTR1","SEEN", 0); | |
731 | gMC->Gsatt("BTR2","SEEN", 0); | |
732 | gMC->Gsatt("BTR3","SEEN", 0); | |
332e9569 | 733 | gMC->Gsatt("UTR1","SEEN", 0); |
734 | gMC->Gsatt("UTR2","SEEN", 0); | |
735 | gMC->Gsatt("UTR3","SEEN", 0); | |
5c7f4665 | 736 | } |
737 | else { | |
738 | gMC->Gsatt("B071","SEEN", 0); | |
739 | gMC->Gsatt("B074","SEEN", 0); | |
740 | gMC->Gsatt("B075","SEEN", 0); | |
741 | gMC->Gsatt("B077","SEEN", 0); | |
742 | gMC->Gsatt("BTR1","SEEN", 0); | |
743 | gMC->Gsatt("BTR2","SEEN", 0); | |
744 | gMC->Gsatt("BTR3","SEEN", 0); | |
332e9569 | 745 | gMC->Gsatt("UTR1","SEEN", 0); |
6f1e466d | 746 | if (fGeometry->GetPHOShole()) |
332e9569 | 747 | gMC->Gsatt("UTR2","SEEN", 0); |
6f1e466d | 748 | if (fGeometry->GetRICHhole()) |
332e9569 | 749 | gMC->Gsatt("UTR3","SEEN", 0); |
5c7f4665 | 750 | } |
332e9569 | 751 | // gMC->Gsatt("UCII","SEEN", 0); |
752 | // gMC->Gsatt("UCIM","SEEN", 0); | |
753 | // gMC->Gsatt("UCIO","SEEN", 0); | |
754 | // gMC->Gsatt("UL02","SEEN", 1); | |
755 | // gMC->Gsatt("UL05","SEEN", 1); | |
756 | // gMC->Gsatt("UL06","SEEN", 1); | |
82bbf98a | 757 | |
758 | gMC->Gdopt("hide", "on"); | |
759 | gMC->Gdopt("shad", "on"); | |
760 | gMC->Gsatt("*", "fill", 7); | |
761 | gMC->SetClipBox("."); | |
762 | gMC->SetClipBox("*", 0, 2000, -2000, 2000, -2000, 2000); | |
763 | gMC->DefaultRange(); | |
764 | gMC->Gdraw("alic", 40, 30, 0, 12, 9.4, .021, .021); | |
765 | gMC->Gdhead(1111, "Transition Radiation Detector"); | |
766 | gMC->Gdman(18, 4, "MAN"); | |
767 | ||
768 | } | |
769 | ||
fe4da5cc | 770 | //_____________________________________________________________________________ |
0a29d0f1 | 771 | Int_t AliTRD::DistancetoPrimitive(Int_t , Int_t ) const |
fe4da5cc | 772 | { |
773 | // | |
774 | // Distance between the mouse and the TRD detector on the screen | |
775 | // Dummy routine | |
82bbf98a | 776 | |
777 | return 9999; | |
778 | ||
fe4da5cc | 779 | } |
780 | ||
781 | //_____________________________________________________________________________ | |
782 | void AliTRD::Init() | |
783 | { | |
784 | // | |
851d3db9 | 785 | // Initialize the TRD detector after the geometry has been created |
fe4da5cc | 786 | // |
82bbf98a | 787 | |
5c7f4665 | 788 | Int_t i; |
851d3db9 | 789 | |
abaf1f1d | 790 | if (fDebug) { |
9e1a0ddb | 791 | printf("\n%s: ",ClassName()); |
792 | for (i = 0; i < 35; i++) printf("*"); | |
793 | printf(" TRD_INIT "); | |
794 | for (i = 0; i < 35; i++) printf("*"); | |
795 | printf("\n"); | |
796 | } | |
5c7f4665 | 797 | |
851d3db9 | 798 | if (fGeometry->IsVersion() == 0) { |
9e1a0ddb | 799 | printf("%s: Geometry for spaceframe with holes initialized\n",ClassName()); |
851d3db9 | 800 | } |
801 | else if (fGeometry->IsVersion() == 1) { | |
9e1a0ddb | 802 | printf("%s: Geometry for spaceframe without holes initialized\n",ClassName()); |
6f1e466d | 803 | if (fGeometry->GetPHOShole()) |
9e1a0ddb | 804 | printf("%s: Leave space in front of PHOS free\n",ClassName()); |
6f1e466d | 805 | if (fGeometry->GetRICHhole()) |
9e1a0ddb | 806 | printf("%s: Leave space in front of RICH free\n",ClassName()); |
5c7f4665 | 807 | } |
9e1a0ddb | 808 | |
abaf1f1d | 809 | if (fGasMix == 1) { |
db30bf0f | 810 | printf("%s: Gas Mixture: 85%% Xe + 15%% CO2\n",ClassName()); |
abaf1f1d | 811 | } |
812 | else { | |
9e1a0ddb | 813 | printf("%s: Gas Mixture: 97%% Xe + 3%% Isobutane\n",ClassName()); |
abaf1f1d | 814 | } |
5c7f4665 | 815 | |
816 | } | |
817 | ||
793ff80c | 818 | //_____________________________________________________________________________ |
73ae7b59 | 819 | void AliTRD::LoadPoints(Int_t ) |
793ff80c | 820 | { |
821 | // | |
822 | // Store x, y, z of all hits in memory. | |
823 | // Hit originating from TR photons are given a different color | |
824 | // | |
825 | ||
332e9569 | 826 | //if (!fDrawTR) { |
827 | // AliDetector::LoadPoints(track); | |
828 | // return; | |
829 | //} | |
793ff80c | 830 | |
332e9569 | 831 | if ((fHits == 0) && (fTrackHits == 0)) return; |
793ff80c | 832 | |
332e9569 | 833 | Int_t nhits; |
834 | if (fHitType < 2) { | |
835 | nhits = fHits->GetEntriesFast(); | |
836 | } | |
837 | else { | |
838 | nhits = fTrackHits->GetEntriesFast(); | |
839 | } | |
793ff80c | 840 | if (nhits == 0) return; |
841 | ||
5d12ce38 | 842 | Int_t tracks = gAlice->GetMCApp()->GetNtrack(); |
793ff80c | 843 | if (fPoints == 0) fPoints = new TObjArray(tracks); |
844 | ||
845 | AliTRDhit *ahit; | |
846 | ||
847 | Int_t *ntrkE = new Int_t[tracks]; | |
848 | Int_t *ntrkT = new Int_t[tracks]; | |
849 | Int_t *limiE = new Int_t[tracks]; | |
850 | Int_t *limiT = new Int_t[tracks]; | |
851 | Float_t **coorE = new Float_t*[tracks]; | |
852 | Float_t **coorT = new Float_t*[tracks]; | |
853 | for(Int_t i = 0; i < tracks; i++) { | |
854 | ntrkE[i] = 0; | |
855 | ntrkT[i] = 0; | |
856 | coorE[i] = 0; | |
857 | coorT[i] = 0; | |
858 | limiE[i] = 0; | |
859 | limiT[i] = 0; | |
860 | } | |
861 | ||
332e9569 | 862 | AliTRDpoints *points = 0; |
863 | Float_t *fp = 0; | |
864 | Int_t trk; | |
865 | Int_t chunk = nhits / 4 + 1; | |
793ff80c | 866 | |
867 | // Loop over all the hits and store their position | |
332e9569 | 868 | ahit = (AliTRDhit *) FirstHit(-1); |
869 | while (ahit) { | |
793ff80c | 870 | |
871 | // dEdx hits | |
332e9569 | 872 | if (ahit->GetCharge() >= 0) { |
793ff80c | 873 | |
874 | trk = ahit->GetTrack(); | |
875 | if (ntrkE[trk] == limiE[trk]) { | |
876 | // Initialise a new track | |
877 | fp = new Float_t[3*(limiE[trk]+chunk)]; | |
878 | if (coorE[trk]) { | |
879 | memcpy(fp,coorE[trk],sizeof(Float_t)*3*limiE[trk]); | |
880 | delete [] coorE[trk]; | |
881 | } | |
882 | limiE[trk] += chunk; | |
883 | coorE[trk] = fp; | |
884 | } | |
885 | else { | |
886 | fp = coorE[trk]; | |
887 | } | |
888 | fp[3*ntrkE[trk] ] = ahit->X(); | |
889 | fp[3*ntrkE[trk]+1] = ahit->Y(); | |
890 | fp[3*ntrkE[trk]+2] = ahit->Z(); | |
891 | ntrkE[trk]++; | |
892 | ||
893 | } | |
894 | // TR photon hits | |
332e9569 | 895 | else if ((ahit->GetCharge() < 0) && (fDrawTR)) { |
793ff80c | 896 | |
897 | trk = ahit->GetTrack(); | |
898 | if (ntrkT[trk] == limiT[trk]) { | |
899 | // Initialise a new track | |
900 | fp = new Float_t[3*(limiT[trk]+chunk)]; | |
901 | if (coorT[trk]) { | |
902 | memcpy(fp,coorT[trk],sizeof(Float_t)*3*limiT[trk]); | |
903 | delete [] coorT[trk]; | |
904 | } | |
905 | limiT[trk] += chunk; | |
906 | coorT[trk] = fp; | |
907 | } | |
908 | else { | |
909 | fp = coorT[trk]; | |
910 | } | |
911 | fp[3*ntrkT[trk] ] = ahit->X(); | |
912 | fp[3*ntrkT[trk]+1] = ahit->Y(); | |
913 | fp[3*ntrkT[trk]+2] = ahit->Z(); | |
914 | ntrkT[trk]++; | |
915 | ||
916 | } | |
917 | ||
332e9569 | 918 | ahit = (AliTRDhit *) NextHit(); |
919 | ||
793ff80c | 920 | } |
921 | ||
922 | for (trk = 0; trk < tracks; ++trk) { | |
923 | ||
924 | if (ntrkE[trk] || ntrkT[trk]) { | |
925 | ||
926 | points = new AliTRDpoints(); | |
927 | points->SetDetector(this); | |
928 | points->SetParticle(trk); | |
929 | ||
930 | // Set the dEdx points | |
931 | if (ntrkE[trk]) { | |
932 | points->SetMarkerColor(GetMarkerColor()); | |
933 | points->SetMarkerSize(GetMarkerSize()); | |
934 | points->SetPolyMarker(ntrkE[trk],coorE[trk],GetMarkerStyle()); | |
935 | delete [] coorE[trk]; | |
936 | coorE[trk] = 0; | |
937 | } | |
938 | ||
939 | // Set the TR photon points | |
940 | if (ntrkT[trk]) { | |
941 | points->SetTRpoints(ntrkT[trk],coorT[trk]); | |
942 | delete [] coorT[trk]; | |
943 | coorT[trk] = 0; | |
944 | } | |
945 | ||
946 | fPoints->AddAt(points,trk); | |
947 | ||
948 | } | |
949 | ||
950 | } | |
951 | ||
952 | delete [] coorE; | |
953 | delete [] coorT; | |
954 | delete [] ntrkE; | |
955 | delete [] ntrkT; | |
956 | delete [] limiE; | |
957 | delete [] limiT; | |
958 | ||
959 | } | |
960 | ||
5c7f4665 | 961 | //_____________________________________________________________________________ |
88cb7938 | 962 | void AliTRD::MakeBranch(Option_t* option) |
5c7f4665 | 963 | { |
964 | // | |
abaf1f1d | 965 | // Create Tree branches for the TRD digits. |
5c7f4665 | 966 | // |
967 | ||
abaf1f1d | 968 | Int_t buffersize = 4000; |
969 | Char_t branchname[15]; | |
970 | sprintf(branchname,"%s",GetName()); | |
5c7f4665 | 971 | |
aa9d00f0 | 972 | const char *cD = strstr(option,"D"); |
973 | ||
88cb7938 | 974 | AliDetector::MakeBranch(option); |
5c7f4665 | 975 | |
abaf1f1d | 976 | if (fDigits && gAlice->TreeD() && cD) { |
88cb7938 | 977 | MakeBranchInTree(gAlice->TreeD(),branchname,&fDigits,buffersize,0); |
abaf1f1d | 978 | } |
979 | ||
332e9569 | 980 | if (fHitType > 1) { |
88cb7938 | 981 | MakeBranch2(option,0); |
332e9569 | 982 | } |
983 | ||
851d3db9 | 984 | } |
985 | ||
6244debe | 986 | //_____________________________________________________________________________ |
987 | void AliTRD::ResetDigits() | |
988 | { | |
989 | // | |
abaf1f1d | 990 | // Reset number of digits and the digits array for this detector |
6244debe | 991 | // |
992 | ||
abaf1f1d | 993 | fNdigits = 0; |
994 | if (fDigits) fDigits->Clear(); | |
6244debe | 995 | |
996 | } | |
997 | ||
851d3db9 | 998 | //_____________________________________________________________________________ |
999 | void AliTRD::ResetRecPoints() | |
1000 | { | |
1001 | // | |
1002 | // Reset number of reconstructed points and the point array | |
1003 | // | |
1004 | ||
f73816f5 | 1005 | if (fRecPoints) { |
793ff80c | 1006 | fNRecPoints = 0; |
1007 | Int_t nentr = fRecPoints->GetEntriesFast(); | |
f73816f5 | 1008 | for (Int_t i = 0; i < nentr; i++) delete fRecPoints->RemoveAt(i); |
793ff80c | 1009 | } |
5c7f4665 | 1010 | |
1011 | } | |
1012 | ||
1013 | //_____________________________________________________________________________ | |
1014 | void AliTRD::SetTreeAddress() | |
1015 | { | |
1016 | // | |
1017 | // Set the branch addresses for the trees. | |
1018 | // | |
1019 | ||
1020 | Char_t branchname[15]; | |
1021 | ||
88cb7938 | 1022 | if ( fLoader->TreeH() && (fHits == 0x0)) fHits = new TClonesArray("AliTRDhit",405); |
5c7f4665 | 1023 | AliDetector::SetTreeAddress(); |
1024 | ||
1025 | TBranch *branch; | |
88cb7938 | 1026 | TTree *treeR = fLoader->TreeR(); |
851d3db9 | 1027 | |
1028 | if (treeR) { | |
f73816f5 | 1029 | sprintf(branchname,"%scluster",GetName()); |
88cb7938 | 1030 | if (fRecPoints == 0x0) fRecPoints = new TObjArray(400); |
851d3db9 | 1031 | if (fRecPoints) { |
1032 | branch = treeR->GetBranch(branchname); | |
1033 | if (branch) { | |
1034 | branch->SetAddress(&fRecPoints); | |
1035 | } | |
5c7f4665 | 1036 | } |
1037 | } | |
1038 | ||
332e9569 | 1039 | if (fHitType > 0) { |
1040 | SetTreeAddress2(); | |
1041 | } | |
1042 | ||
fe4da5cc | 1043 | } |
1044 | ||
d3f347ff | 1045 | //_____________________________________________________________________________ |
b060c36f | 1046 | void AliTRD::SetGasMix(Int_t imix) |
d3f347ff | 1047 | { |
82bbf98a | 1048 | // |
1049 | // Defines the gas mixture (imix=0: Xe/Isobutane imix=1: Xe/CO2) | |
1050 | // | |
1051 | ||
d3f347ff | 1052 | if ((imix < 0) || (imix > 1)) { |
1053 | printf("Wrong input value: %d\n",imix); | |
1054 | printf("Use standard setting\n"); | |
6244debe | 1055 | fGasMix = 1; |
d3f347ff | 1056 | return; |
1057 | } | |
1058 | ||
1059 | fGasMix = imix; | |
1060 | ||
1061 | } | |
1062 | ||
793ff80c | 1063 | //_____________________________________________________________________________ |
1064 | void AliTRD::SetPHOShole() | |
1065 | { | |
1066 | // | |
1067 | // Selects a geometry with a hole in front of the PHOS | |
1068 | // | |
1069 | ||
1070 | fGeometry->SetPHOShole(); | |
1071 | ||
1072 | } | |
1073 | ||
1074 | //_____________________________________________________________________________ | |
1075 | void AliTRD::SetRICHhole() | |
1076 | { | |
1077 | // | |
1078 | // Selects a geometry with a hole in front of the RICH | |
1079 | // | |
1080 | ||
1081 | fGeometry->SetRICHhole(); | |
1082 | ||
1083 | } | |
1084 | ||
dd9a6ee3 | 1085 | //_____________________________________________________________________________ |
1086 | AliTRD &AliTRD::operator=(const AliTRD &trd) | |
1087 | { | |
1088 | // | |
1089 | // Assignment operator | |
1090 | // | |
1091 | ||
1092 | if (this != &trd) ((AliTRD &) trd).Copy(*this); | |
1093 | return *this; | |
1094 | ||
f73816f5 | 1095 | } |
abaf1f1d | 1096 | |
332e9569 | 1097 | //_____________________________________________________________________________ |
1098 | void AliTRD::FinishPrimary() | |
1099 | { | |
1100 | // | |
1101 | // Store the hits in the containers after all primaries are finished | |
1102 | // | |
1103 | ||
1104 | if (fTrackHits) { | |
1105 | fTrackHits->FlushHitStack(); | |
1106 | } | |
1107 | ||
1108 | } | |
1109 | ||
1110 | //_____________________________________________________________________________ | |
1111 | void AliTRD::RemapTrackHitIDs(Int_t *map) | |
1112 | { | |
1113 | // | |
1114 | // Remap the track IDs | |
1115 | // | |
1116 | ||
1117 | if (!fTrackHits) { | |
1118 | return; | |
1119 | } | |
1120 | ||
1121 | if (fTrackHits) { | |
1122 | TClonesArray *arr = fTrackHits->GetArray();; | |
1123 | for (Int_t i = 0; i < arr->GetEntriesFast(); i++){ | |
1124 | AliTrackHitsParamV2 *info = (AliTrackHitsParamV2 *) (arr->At(i)); | |
1125 | info->fTrackID = map[info->fTrackID]; | |
1126 | } | |
1127 | } | |
1128 | ||
1129 | } | |
1130 | ||
1131 | //_____________________________________________________________________________ | |
1132 | void AliTRD::ResetHits() | |
1133 | { | |
1134 | // | |
1135 | // Reset the hits | |
1136 | // | |
1137 | ||
1138 | AliDetector::ResetHits(); | |
1139 | if (fTrackHits) { | |
1140 | fTrackHits->Clear(); | |
1141 | } | |
1142 | ||
1143 | } | |
1144 | ||
1145 | //_____________________________________________________________________________ | |
1146 | AliHit* AliTRD::FirstHit(Int_t track) | |
1147 | { | |
1148 | // | |
1149 | // Return the first hit of a track | |
1150 | // | |
1151 | ||
1152 | if (fHitType > 1) { | |
1153 | return FirstHit2(track); | |
1154 | } | |
abaf1f1d | 1155 | |
332e9569 | 1156 | return AliDetector::FirstHit(track); |
abaf1f1d | 1157 | |
332e9569 | 1158 | } |
1159 | ||
1160 | //_____________________________________________________________________________ | |
1161 | AliHit* AliTRD::NextHit() | |
1162 | { | |
1163 | // | |
1164 | // Returns the next hit of a track | |
1165 | // | |
1166 | ||
1167 | if (fHitType > 1) { | |
1168 | return NextHit2(); | |
1169 | } | |
1170 | ||
1171 | return AliDetector::NextHit(); | |
1172 | ||
1173 | } | |
1174 | ||
1175 | //_____________________________________________________________________________ | |
0a29d0f1 | 1176 | AliHit* AliTRD::FirstHit2(Int_t track) |
332e9569 | 1177 | { |
1178 | // | |
1179 | // Initializes the hit iterator. | |
1180 | // Returns the address of the first hit of a track. | |
1181 | // If <track> >= 0 the track is read from disk, | |
1182 | // while if <track> < 0 the first hit of the current | |
1183 | // track is returned. | |
1184 | // | |
1185 | ||
1186 | if (track >= 0) { | |
1187 | gAlice->ResetHits(); | |
88cb7938 | 1188 | TreeH()->GetEvent(track); |
332e9569 | 1189 | } |
1190 | ||
1191 | if (fTrackHits) { | |
1192 | fTrackHits->First(); | |
1193 | return (AliHit*) fTrackHits->GetHit(); | |
1194 | } | |
1195 | else { | |
1196 | return 0; | |
1197 | } | |
1198 | ||
1199 | } | |
1200 | ||
1201 | //_____________________________________________________________________________ | |
1202 | AliHit* AliTRD::NextHit2() | |
1203 | { | |
1204 | // | |
1205 | // Returns the next hit of the current track | |
1206 | // | |
1207 | ||
1208 | if (fTrackHits) { | |
1209 | fTrackHits->Next(); | |
1210 | return (AliHit *) fTrackHits->GetHit(); | |
1211 | } | |
1212 | else { | |
1213 | return 0; | |
1214 | } | |
1215 | ||
1216 | } | |
1217 | ||
1218 | //_____________________________________________________________________________ | |
73ae7b59 | 1219 | void AliTRD::MakeBranch2(Option_t *option, const char* ) |
332e9569 | 1220 | { |
1221 | // | |
1222 | // Create a new branch in the current Root tree. | |
1223 | // The branch of fHits is automatically split. | |
1224 | // | |
1225 | ||
1226 | if (fHitType < 2) { | |
1227 | return; | |
1228 | } | |
1229 | ||
1230 | char branchname[10]; | |
1231 | sprintf(branchname,"%s2",GetName()); | |
1232 | ||
1233 | // Get the pointer to the header | |
1234 | const char *cH = strstr(option,"H"); | |
1235 | ||
1236 | if (!fTrackHits) { | |
1237 | fTrackHits = new AliTRDtrackHits(); | |
88cb7938 | 1238 | } |
332e9569 | 1239 | |
332e9569 | 1240 | |
88cb7938 | 1241 | if (fTrackHits && TreeH() && cH) |
1242 | { | |
1243 | TreeH()->Branch(branchname,"AliTRDtrackHits",&fTrackHits,fBufferSize,99); | |
1244 | Info("MakeBranch2","Making Branch %s for trackhits",branchname); | |
1245 | } | |
332e9569 | 1246 | } |
1247 | ||
1248 | //_____________________________________________________________________________ | |
1249 | void AliTRD::SetTreeAddress2() | |
1250 | { | |
1251 | // | |
1252 | // Set the branch address for the trackHits tree | |
1253 | // | |
f2a509af | 1254 | if (GetDebug()) Info("SetTreeAddress2",""); |
332e9569 | 1255 | |
1256 | TBranch *branch; | |
332e9569 | 1257 | char branchname[20]; |
332e9569 | 1258 | sprintf(branchname,"%s2",GetName()); |
1259 | ||
1260 | // Branch address for hit tree | |
88cb7938 | 1261 | TTree *treeH = TreeH(); |
332e9569 | 1262 | if ((treeH) && (fHitType > 0)) { |
1263 | branch = treeH->GetBranch(branchname); | |
88cb7938 | 1264 | if (branch) |
1265 | { | |
1266 | branch->SetAddress(&fTrackHits); | |
f2a509af | 1267 | if (GetDebug()) |
1268 | Info("SetTreeAddress2","Success."); | |
88cb7938 | 1269 | } |
1270 | else | |
1271 | { | |
f2a509af | 1272 | if (GetDebug()) |
1273 | Info("SetTreeAddress2","Can NOT get the branch %s",branchname); | |
88cb7938 | 1274 | } |
332e9569 | 1275 | } |
1276 | ||
1277 | } | |
1278 | ||
1279 | //_____________________________________________________________________________ | |
1280 | void AliTRD::AddHit2(Int_t track, Int_t det, Float_t *hits, Int_t q | |
1281 | , Bool_t inDrift) | |
1282 | { | |
1283 | // | |
1284 | // Add a hit to the list | |
1285 | // | |
1286 | ||
1287 | Int_t rtrack; | |
1288 | ||
1289 | if (fIshunt) { | |
5d12ce38 | 1290 | Int_t primary = gAlice->GetMCApp()->GetPrimary(track); |
1291 | gAlice->GetMCApp()->Particle(primary)->SetBit(kKeepBit); | |
332e9569 | 1292 | rtrack = primary; |
1293 | } | |
1294 | else { | |
1295 | rtrack = track; | |
5d12ce38 | 1296 | gAlice->GetMCApp()->FlagTrack(track); |
332e9569 | 1297 | } |
1298 | ||
1299 | if ((fTrackHits) && (fHitType > 0)) { | |
1300 | fTrackHits->AddHitTRD(det,rtrack,hits[0],hits[1],hits[2],q,inDrift); | |
1301 | } | |
1302 | ||
1303 | } | |
abaf1f1d | 1304 | |
1305 | ||
596a855f | 1306 | //_____________________________________________________________________________ |
1307 | void AliTRD::Reconstruct() const | |
1308 | { | |
1309 | // reconstruct clusters | |
1310 | ||
1311 | AliTRDclusterizerV1 clusterer("clusterer", "TRD clusterizer"); | |
1312 | AliRunLoader* runLoader = GetLoader()->GetRunLoader(); | |
1313 | runLoader->CdGAFile(); | |
1314 | AliTRDparameter* trdParam = (AliTRDparameter*) gFile->Get("TRDparameter"); | |
1315 | if (!trdParam) { | |
1316 | Error("Reconstruct", "no TRD parameters found"); | |
1317 | return; | |
1318 | } | |
1319 | trdParam->ReInit(); | |
1320 | clusterer.SetParameter(trdParam); | |
1321 | Int_t nEvents = runLoader->GetNumberOfEvents(); | |
1322 | ||
1323 | for (Int_t iEvent = 0; iEvent < nEvents; iEvent++) { | |
1324 | clusterer.Open(runLoader->GetFileName(), iEvent); | |
1325 | clusterer.ReadDigits(); | |
1326 | clusterer.MakeClusters(); | |
1327 | clusterer.WriteClusters(-1); | |
1328 | } | |
1329 | } | |
1330 | ||
1331 | //_____________________________________________________________________________ | |
1332 | AliTracker* AliTRD::CreateTracker() const | |
1333 | { | |
1334 | // create a TRD tracker | |
1335 | ||
1336 | GetLoader()->GetRunLoader()->CdGAFile(); | |
1337 | return new AliTRDtracker(gFile); | |
1338 | } | |
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