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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 | |
7ca4655f | 29 | #include <TClonesArray.h> |
88cb7938 | 30 | #include <TFile.h> |
31 | #include <TGeometry.h> | |
32 | #include <TLorentzVector.h> | |
fe4da5cc | 33 | #include <TMath.h> |
fe4da5cc | 34 | #include <TNode.h> |
793ff80c | 35 | #include <TPGON.h> |
332e9569 | 36 | #include <TParticle.h> |
88cb7938 | 37 | #include <TROOT.h> |
38 | #include <TTree.h> | |
39 | #include <TVirtualMC.h> | |
40 | ||
d3f347ff | 41 | #include "AliConst.h" |
793ff80c | 42 | #include "AliDigit.h" |
88cb7938 | 43 | #include "AliLoader.h" |
45160b1f | 44 | #include "AliLog.h" |
45 | #include "AliMC.h" | |
793ff80c | 46 | #include "AliMagF.h" |
88cb7938 | 47 | #include "AliRun.h" |
030b4415 | 48 | #include "AliTrackReference.h" |
68119ad1 | 49 | #include "AliRawReader.h" |
030b4415 | 50 | |
793ff80c | 51 | #include "AliTRD.h" |
793ff80c | 52 | #include "AliTRDdigit.h" |
851d3db9 | 53 | #include "AliTRDdigitizer.h" |
88cb7938 | 54 | #include "AliTRDdigitsManager.h" |
bd0f8685 | 55 | #include "AliTRDgeometry.h" |
88cb7938 | 56 | #include "AliTRDhit.h" |
57 | #include "AliTRDpoints.h" | |
b864d801 | 58 | #include "AliTRDrawData.h" |
3551db50 | 59 | #include "AliTRDSimParam.h" |
3551db50 | 60 | #include "AliTRDCommonParam.h" |
61 | #include "AliTRDcalibDB.h" | |
62 | ||
fe4da5cc | 63 | ClassImp(AliTRD) |
64 | ||
65 | //_____________________________________________________________________________ | |
66 | AliTRD::AliTRD() | |
030b4415 | 67 | :AliDetector() |
68 | ,fGeometry(0) | |
69 | ,fGasDensity(0) | |
70 | ,fFoilDensity(0) | |
f2979d08 | 71 | ,fGasNobleFraction(0) |
030b4415 | 72 | ,fDrawTR(0) |
73 | ,fDisplayType(0) | |
fe4da5cc | 74 | { |
75 | // | |
76 | // Default constructor | |
77 | // | |
332e9569 | 78 | |
fe4da5cc | 79 | } |
80 | ||
81 | //_____________________________________________________________________________ | |
82 | AliTRD::AliTRD(const char *name, const char *title) | |
030b4415 | 83 | :AliDetector(name,title) |
84 | ,fGeometry(0) | |
85 | ,fGasDensity(0) | |
86 | ,fFoilDensity(0) | |
457b47bb | 87 | ,fGasNobleFraction(0) |
030b4415 | 88 | ,fDrawTR(0) |
89 | ,fDisplayType(0) | |
fe4da5cc | 90 | { |
91 | // | |
92 | // Standard constructor for the TRD | |
93 | // | |
94 | ||
030b4415 | 95 | // Check that FRAME is there otherwise we have no place where to put TRD |
96 | AliModule *frame = gAlice->GetModule("FRAME"); | |
8230f242 | 97 | if (!frame) { |
030b4415 | 98 | AliError("TRD needs FRAME to be present\n"); |
5c7f4665 | 99 | exit(1); |
100 | } | |
101 | ||
d37eec5e | 102 | // Define the TRD geometry |
103 | if ((frame->IsVersion() == 0) || | |
104 | (frame->IsVersion() == 1)) { | |
bd0f8685 | 105 | fGeometry = new AliTRDgeometry(); |
851d3db9 | 106 | } |
107 | else { | |
030b4415 | 108 | AliError("Could not find valid FRAME version\n"); |
851d3db9 | 109 | exit(1); |
110 | } | |
5c7f4665 | 111 | |
fe4da5cc | 112 | // Allocate the hit array |
030b4415 | 113 | fHits = new TClonesArray("AliTRDhit",405); |
5d12ce38 | 114 | gAlice->GetMCApp()->AddHitList(fHits); |
99d5402e | 115 | |
8230f242 | 116 | } |
117 | ||
99d5402e | 118 | //_____________________________________________________________________________ |
119 | AliTRD::~AliTRD() | |
120 | { | |
121 | // | |
122 | // TRD destructor | |
123 | // | |
124 | ||
abaf1f1d | 125 | if (fGeometry) { |
126 | delete fGeometry; | |
030b4415 | 127 | fGeometry = 0; |
abaf1f1d | 128 | } |
030b4415 | 129 | |
abaf1f1d | 130 | if (fHits) { |
131 | delete fHits; | |
030b4415 | 132 | fHits = 0; |
abaf1f1d | 133 | } |
bd0f8685 | 134 | |
5c7f4665 | 135 | } |
136 | ||
6244debe | 137 | //_____________________________________________________________________________ |
138 | void AliTRD::Hits2Digits() | |
2ab0c725 | 139 | { |
140 | // | |
141 | // Create digits | |
142 | // | |
bd0f8685 | 143 | |
be385a87 | 144 | AliTRDdigitizer digitizer("TRDdigitizer","TRD digitizer class"); |
45160b1f | 145 | AliLog::SetClassDebugLevel("TRDdigitizer",AliDebugLevel()); |
9a96f175 | 146 | |
6244debe | 147 | // Initialization |
be385a87 | 148 | digitizer.InitDetector(); |
6244debe | 149 | |
030b4415 | 150 | if (!fLoader->TreeH()) { |
151 | fLoader->LoadHits("read"); | |
152 | } | |
85a5290f | 153 | fLoader->LoadDigits("recreate"); |
95867fd1 | 154 | |
030b4415 | 155 | AliRunLoader *runLoader = fLoader->GetRunLoader(); |
6244debe | 156 | |
85a5290f | 157 | for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) { |
95867fd1 | 158 | runLoader->GetEvent(iEvent); |
159 | digitizer.Open(runLoader,iEvent); | |
be385a87 | 160 | digitizer.MakeDigits(); |
161 | digitizer.WriteDigits(); | |
6244debe | 162 | } |
163 | ||
85a5290f | 164 | fLoader->UnloadHits(); |
165 | fLoader->UnloadDigits(); | |
a328fff9 | 166 | |
6244debe | 167 | } |
168 | ||
169 | //_____________________________________________________________________________ | |
170 | void AliTRD::Hits2SDigits() | |
171 | { | |
172 | // | |
173 | // Create summable digits | |
174 | // | |
a328fff9 | 175 | |
be385a87 | 176 | AliTRDdigitizer digitizer("TRDdigitizer","TRD digitizer class"); |
6244debe | 177 | // For the summable digits |
be385a87 | 178 | digitizer.SetSDigits(kTRUE); |
45160b1f | 179 | AliLog::SetClassDebugLevel("TRDdigitizer",AliDebugLevel()); |
6244debe | 180 | |
181 | // Initialization | |
be385a87 | 182 | digitizer.InitDetector(); |
2ab0c725 | 183 | |
030b4415 | 184 | if (!fLoader->TreeH()) { |
185 | fLoader->LoadHits("read"); | |
186 | } | |
85a5290f | 187 | fLoader->LoadSDigits("recreate"); |
95867fd1 | 188 | |
189 | AliRunLoader *runLoader = fLoader->GetRunLoader(); | |
6244debe | 190 | |
85a5290f | 191 | for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) { |
95867fd1 | 192 | runLoader->GetEvent(iEvent); |
193 | digitizer.Open(runLoader,iEvent); | |
be385a87 | 194 | digitizer.MakeDigits(); |
195 | digitizer.WriteDigits(); | |
85a5290f | 196 | } |
2ab0c725 | 197 | |
85a5290f | 198 | fLoader->UnloadHits(); |
199 | fLoader->UnloadSDigits(); | |
a328fff9 | 200 | |
201 | } | |
6244debe | 202 | |
85a5290f | 203 | //_____________________________________________________________________________ |
95867fd1 | 204 | AliDigitizer *AliTRD::CreateDigitizer(AliRunDigitizer *manager) const |
85a5290f | 205 | { |
a328fff9 | 206 | // |
207 | // Creates a new digitizer object | |
208 | // | |
209 | ||
85a5290f | 210 | return new AliTRDdigitizer(manager); |
a328fff9 | 211 | |
6244debe | 212 | } |
213 | ||
214 | //_____________________________________________________________________________ | |
215 | void AliTRD::SDigits2Digits() | |
216 | { | |
217 | // | |
218 | // Create final digits from summable digits | |
219 | // | |
220 | ||
bd0f8685 | 221 | // Create the TRD digitizer |
be385a87 | 222 | AliTRDdigitizer digitizer("TRDdigitizer","TRD digitizer class"); |
45160b1f | 223 | AliLog::SetClassDebugLevel("TRDdigitizer",AliDebugLevel()); |
99d5402e | 224 | |
abaf1f1d | 225 | // Set the parameter |
be385a87 | 226 | digitizer.SetEvent(gAlice->GetEvNumber()); |
abaf1f1d | 227 | |
228 | // Initialization | |
be385a87 | 229 | digitizer.InitDetector(); |
abaf1f1d | 230 | |
231 | // Read the s-digits via digits manager | |
be385a87 | 232 | AliTRDdigitsManager sdigitsManager; |
88cb7938 | 233 | |
45160b1f | 234 | AliLog::SetClassDebugLevel("TRDdigitisManager",AliDebugLevel()); |
be385a87 | 235 | sdigitsManager.SetSDigits(kTRUE); |
236 | sdigitsManager.CreateArrays(); | |
88cb7938 | 237 | |
030b4415 | 238 | if (!fLoader->TreeS()) { |
239 | if (fLoader->LoadSDigits("read")) { | |
240 | return; | |
241 | } | |
242 | } | |
243 | if (!fLoader->TreeS()) { | |
244 | AliError(Form("Error while reading SDigits for event %d",gAlice->GetEvNumber())); | |
245 | return; | |
246 | } | |
88cb7938 | 247 | |
be385a87 | 248 | sdigitsManager.ReadDigits(fLoader->TreeS()); |
abaf1f1d | 249 | |
250 | // Add the s-digits to the input list | |
be385a87 | 251 | digitizer.AddSDigitsManager(&sdigitsManager); |
99d5402e | 252 | |
abaf1f1d | 253 | // Convert the s-digits to normal digits |
be385a87 | 254 | digitizer.SDigits2Digits(); |
abaf1f1d | 255 | |
256 | // Store the digits | |
030b4415 | 257 | if (!fLoader->TreeD()) { |
258 | fLoader->MakeTree("D"); | |
259 | } | |
be385a87 | 260 | if (digitizer.MakeBranch(fLoader->TreeD())){ |
261 | digitizer.WriteDigits(); | |
abaf1f1d | 262 | } |
99d5402e | 263 | |
264 | } | |
265 | ||
b864d801 | 266 | //_____________________________________________________________________________ |
267 | void AliTRD::Digits2Raw() | |
268 | { | |
269 | // | |
030b4415 | 270 | // Convert digits of the current event to raw data |
b864d801 | 271 | // |
272 | ||
273 | fLoader->LoadDigits(); | |
030b4415 | 274 | TTree *digits = fLoader->TreeD(); |
b864d801 | 275 | if (!digits) { |
030b4415 | 276 | AliError("No digits tree"); |
b864d801 | 277 | return; |
278 | } | |
279 | ||
280 | AliTRDrawData rawWriter; | |
b864d801 | 281 | if (!rawWriter.Digits2Raw(digits)) { |
030b4415 | 282 | AliError("The raw writer could not load the digits tree"); |
b864d801 | 283 | } |
284 | ||
285 | fLoader->UnloadDigits(); | |
286 | ||
287 | } | |
288 | ||
fe4da5cc | 289 | //_____________________________________________________________________________ |
332e9569 | 290 | void AliTRD::AddHit(Int_t track, Int_t det, Float_t *hits, Int_t q |
2fa01832 | 291 | , Float_t time, Bool_t inDrift) |
fe4da5cc | 292 | { |
293 | // | |
294 | // Add a hit for the TRD | |
332e9569 | 295 | // |
82bbf98a | 296 | |
a328fff9 | 297 | TClonesArray &lhits = *fHits; |
2fa01832 | 298 | AliTRDhit *hit = new(lhits[fNhits++]) AliTRDhit(fIshunt |
299 | ,track | |
300 | ,det | |
301 | ,hits | |
302 | ,q | |
303 | ,time); | |
304 | ||
a328fff9 | 305 | if (inDrift) { |
306 | hit->SetDrift(); | |
332e9569 | 307 | } |
a328fff9 | 308 | else { |
309 | hit->SetAmplification(); | |
310 | } | |
030b4415 | 311 | |
a328fff9 | 312 | if (q < 0) { |
313 | hit->SetTRphoton(); | |
332e9569 | 314 | } |
82bbf98a | 315 | |
fe4da5cc | 316 | } |
317 | ||
318 | //_____________________________________________________________________________ | |
319 | void AliTRD::BuildGeometry() | |
320 | { | |
321 | // | |
322 | // Create the ROOT TNode geometry for the TRD | |
323 | // | |
82bbf98a | 324 | |
0c5a8090 | 325 | TNode *node; |
326 | TNode *top; | |
fe4da5cc | 327 | TPGON *pgon; |
793ff80c | 328 | |
0c5a8090 | 329 | // The dimensions of the TRD super module |
330 | const Float_t kRmin = 291.0; | |
331 | const Float_t kRmax = 369.0; | |
332 | const Float_t kZmax1 = 378.35; | |
333 | const Float_t kZmax2 = 302.0; | |
334 | ||
030b4415 | 335 | Float_t rmin; |
336 | Float_t rmax; | |
337 | Float_t zmax1; | |
338 | Float_t zmax2; | |
db30bf0f | 339 | |
053767a4 | 340 | Int_t iLayer; |
793ff80c | 341 | |
fe4da5cc | 342 | const Int_t kColorTRD = 46; |
d3f347ff | 343 | |
fe4da5cc | 344 | // Find the top node alice |
8230f242 | 345 | top = gAlice->GetGeometry()->GetNode("alice"); |
d3f347ff | 346 | |
db30bf0f | 347 | if (fDisplayType == 0) { |
793ff80c | 348 | |
053767a4 | 349 | pgon = new TPGON("S_TRD","TRD","void",0,360,AliTRDgeometry::Nsector(),4); |
0c5a8090 | 350 | rmin = kRmin; |
351 | rmax = kRmax; | |
352 | pgon->DefineSection(0,-kZmax1,rmax,rmax); | |
353 | pgon->DefineSection(1,-kZmax2,rmin,rmax); | |
354 | pgon->DefineSection(2, kZmax2,rmin,rmax); | |
355 | pgon->DefineSection(3, kZmax1,rmax,rmax); | |
793ff80c | 356 | top->cd(); |
357 | node = new TNode("TRD","TRD","S_TRD",0,0,0,""); | |
358 | node->SetLineColor(kColorTRD); | |
359 | fNodes->Add(node); | |
360 | ||
db30bf0f | 361 | } |
362 | else if (fDisplayType == 1) { | |
793ff80c | 363 | |
f73816f5 | 364 | Char_t name[7]; |
365 | ||
0c5a8090 | 366 | Float_t slope = (kZmax1 - kZmax2) / (kRmax - kRmin); |
793ff80c | 367 | |
0c5a8090 | 368 | rmin = kRmin + AliTRDgeometry::CraHght(); |
369 | rmax = rmin + AliTRDgeometry::CdrHght(); | |
f73816f5 | 370 | |
0c5a8090 | 371 | Float_t thickness = rmin - kRmin; |
372 | zmax2 = kZmax2 + slope * thickness; | |
793ff80c | 373 | zmax1 = zmax2 + slope * AliTRDgeometry::DrThick(); |
793ff80c | 374 | |
053767a4 | 375 | for (iLayer = 0; iLayer < AliTRDgeometry::Nlayer(); iLayer++) { |
793ff80c | 376 | |
053767a4 | 377 | sprintf(name,"S_TR1%d",iLayer); |
378 | pgon = new TPGON(name,"TRD","void",0,360,AliTRDgeometry::Nsector(),4); | |
f73816f5 | 379 | pgon->DefineSection(0,-zmax1,rmax,rmax); |
380 | pgon->DefineSection(1,-zmax2,rmin,rmax); | |
381 | pgon->DefineSection(2, zmax2,rmin,rmax); | |
382 | pgon->DefineSection(3, zmax1,rmax,rmax); | |
383 | top->cd(); | |
384 | node = new TNode("TRD","TRD",name,0,0,0,""); | |
385 | node->SetLineColor(kColorTRD); | |
386 | fNodes->Add(node); | |
387 | ||
388 | Float_t height = AliTRDgeometry::Cheight() + AliTRDgeometry::Cspace(); | |
389 | rmin = rmin + height; | |
390 | rmax = rmax + height; | |
391 | zmax1 = zmax1 + slope * height; | |
392 | zmax2 = zmax2 + slope * height; | |
393 | ||
394 | } | |
395 | ||
396 | thickness += AliTRDgeometry::DrThick(); | |
0c5a8090 | 397 | rmin = kRmin + thickness; |
398 | rmax = rmin + AliTRDgeometry::AmThick(); | |
399 | zmax2 = kZmax2 + slope * thickness; | |
400 | zmax1 = zmax2 + slope * AliTRDgeometry::AmThick(); | |
f73816f5 | 401 | |
053767a4 | 402 | for (iLayer = 0; iLayer < AliTRDgeometry::Nlayer(); iLayer++) { |
f73816f5 | 403 | |
053767a4 | 404 | sprintf(name,"S_TR2%d",iLayer); |
405 | pgon = new TPGON(name,"TRD","void",0,360,AliTRDgeometry::Nsector(),4); | |
793ff80c | 406 | pgon->DefineSection(0,-zmax1,rmax,rmax); |
407 | pgon->DefineSection(1,-zmax2,rmin,rmax); | |
408 | pgon->DefineSection(2, zmax2,rmin,rmax); | |
409 | pgon->DefineSection(3, zmax1,rmax,rmax); | |
410 | top->cd(); | |
411 | node = new TNode("TRD","TRD",name,0,0,0,""); | |
412 | node->SetLineColor(kColorTRD); | |
413 | fNodes->Add(node); | |
414 | ||
415 | Float_t height = AliTRDgeometry::Cheight() + AliTRDgeometry::Cspace(); | |
416 | rmin = rmin + height; | |
417 | rmax = rmax + height; | |
418 | zmax1 = zmax1 + slope * height; | |
419 | zmax2 = zmax2 + slope * height; | |
420 | ||
421 | } | |
422 | ||
db30bf0f | 423 | } |
d3f347ff | 424 | |
fe4da5cc | 425 | } |
426 | ||
427 | //_____________________________________________________________________________ | |
82bbf98a | 428 | void AliTRD::CreateGeometry() |
fe4da5cc | 429 | { |
82bbf98a | 430 | // |
431 | // Creates the volumes for the TRD chambers | |
432 | // | |
82bbf98a | 433 | |
434 | // Check that FRAME is there otherwise we have no place where to put the TRD | |
030b4415 | 435 | AliModule *frame = gAlice->GetModule("FRAME"); |
8230f242 | 436 | if (!frame) { |
45160b1f | 437 | AliFatal("The TRD needs the FRAME to be defined first"); |
82bbf98a | 438 | } |
d3f347ff | 439 | |
851d3db9 | 440 | fGeometry->CreateGeometry(fIdtmed->GetArray() - 1299); |
5c7f4665 | 441 | |
82bbf98a | 442 | } |
443 | ||
444 | //_____________________________________________________________________________ | |
445 | void AliTRD::CreateMaterials() | |
446 | { | |
fe4da5cc | 447 | // |
448 | // Create the materials for the TRD | |
fe4da5cc | 449 | // |
450 | ||
8230f242 | 451 | Int_t isxfld = gAlice->Field()->Integ(); |
452 | Float_t sxmgmx = gAlice->Field()->Max(); | |
fe4da5cc | 453 | |
d3f347ff | 454 | // For polyethilene (CH2) |
030b4415 | 455 | Float_t ape[2] = { 12.011 , 1.0079 }; |
456 | Float_t zpe[2] = { 6.0 , 1.0 }; | |
457 | Float_t wpe[2] = { 1.0 , 2.0 }; | |
458 | Float_t dpe = 0.95; | |
d3f347ff | 459 | |
d3f347ff | 460 | // For CO2 |
030b4415 | 461 | Float_t aco[2] = { 12.011 , 15.9994 }; |
462 | Float_t zco[2] = { 6.0 , 8.0 }; | |
463 | Float_t wco[2] = { 1.0 , 2.0 }; | |
f2979d08 | 464 | Float_t dco = 0.00186; // at 20C |
d3f347ff | 465 | |
466 | // For water | |
030b4415 | 467 | Float_t awa[2] = { 1.0079, 15.9994 }; |
468 | Float_t zwa[2] = { 1.0 , 8.0 }; | |
469 | Float_t wwa[2] = { 2.0 , 1.0 }; | |
470 | Float_t dwa = 1.0; | |
d3f347ff | 471 | |
db30bf0f | 472 | // For plexiglas (C5H8O2) |
030b4415 | 473 | Float_t apg[3] = { 12.011 , 1.0079, 15.9994 }; |
474 | Float_t zpg[3] = { 6.0 , 1.0 , 8.0 }; | |
475 | Float_t wpg[3] = { 5.0 , 8.0 , 2.0 }; | |
476 | Float_t dpg = 1.18; | |
08ca3951 | 477 | |
478 | // For epoxy (C18H19O3) | |
3dac2b2d | 479 | Float_t aEpoxy[3] = { 15.9994, 1.0079, 12.011 }; |
480 | Float_t zEpoxy[3] = { 8.0 , 1.0 , 6.0 }; | |
481 | Float_t wEpoxy[3] = { 3.0 , 19.0 , 18.0 }; | |
08ca3951 | 482 | Float_t dEpoxy = 1.8 ; |
483 | ||
0c5a8090 | 484 | // For Araldite, low density epoxy (C18H19O3) |
485 | Float_t aAral[3] = { 15.9994, 1.0079, 12.011 }; | |
486 | Float_t zAral[3] = { 8.0 , 1.0 , 6.0 }; | |
487 | Float_t wAral[3] = { 3.0 , 19.0 , 18.0 }; | |
488 | Float_t dAral = 1.05; | |
489 | ||
08ca3951 | 490 | // For air |
3dac2b2d | 491 | Float_t aAir[4] = { 12.011 , 14.0 , 15.9994 , 36.0 }; |
492 | Float_t zAir[4] = { 6.0 , 7.0 , 8.0 , 18.0 }; | |
493 | Float_t wAir[4] = { 0.000124, 0.755267, 0.231781, 0.012827 }; | |
0c5a8090 | 494 | Float_t dAir = 1.20479e-03; |
08ca3951 | 495 | |
496 | // For G10 | |
3dac2b2d | 497 | Float_t aG10[4] = { 1.0079 , 12.011 , 15.9994 , 28.086 }; |
498 | Float_t zG10[4] = { 1.0 , 6.0 , 8.0 , 14.0 }; | |
499 | Float_t wG10[4] = { 0.15201 , 0.10641 , 0.49444 , 0.24714 }; | |
08ca3951 | 500 | Float_t dG10 = 1.7; |
db30bf0f | 501 | |
d3f347ff | 502 | // For Xe/CO2-gas-mixture |
3dac2b2d | 503 | Float_t aXeCO2[3] = { 131.29 , 12.0107 , 15.9994 }; |
504 | Float_t zXeCO2[3] = { 54.0 , 6.0 , 8.0 }; | |
330bfc2f | 505 | Float_t wXeCO2[3] = { 8.5 , 1.5 , 3.0 }; |
db30bf0f | 506 | // Xe-content of the Xe/CO2-mixture (85% / 15%) |
3dac2b2d | 507 | Float_t fxc = 0.85; |
f2979d08 | 508 | Float_t dxe = 0.00549; // at 20C |
509 | Float_t dgmXe = fxc * dxe + (1.0 - fxc) * dco; | |
510 | ||
511 | // For Ar/CO2-gas-mixture | |
512 | Float_t aArCO2[3] = { 39.948 , 12.0107 , 15.9994 }; | |
513 | Float_t zArCO2[3] = { 18.0 , 6.0 , 8.0 }; | |
514 | Float_t wArCO2[3] = { 8.2 , 1.8 , 3.6 }; | |
515 | // Ar-content of the Ar/CO2-mixture (82% / 18%) | |
516 | Float_t fac = 0.82; | |
517 | Float_t dar = 0.00166; // at 20C | |
518 | Float_t dgmAr = fac * dar + (1.0 - fac) * dco; | |
fe4da5cc | 519 | |
d3f347ff | 520 | // General tracking parameter |
030b4415 | 521 | Float_t tmaxfd = -10.0; |
522 | Float_t stemax = -1.0e10; | |
523 | Float_t deemax = -0.1; | |
524 | Float_t epsil = 1.0e-4; | |
525 | Float_t stmin = -0.001; | |
fe4da5cc | 526 | |
d3f347ff | 527 | ////////////////////////////////////////////////////////////////////////// |
fe4da5cc | 528 | // Define Materials |
d3f347ff | 529 | ////////////////////////////////////////////////////////////////////////// |
530 | ||
16bf9884 | 531 | AliMaterial( 1, "Al" , 26.98, 13.0, 2.7 , 8.9 , 37.2); |
3dac2b2d | 532 | AliMaterial( 4, "Xe" , 131.29, 54.0, dxe , 1546.16, 0.0); |
16bf9884 | 533 | AliMaterial( 5, "Cu" , 63.54, 29.0, 8.96 , 1.43, 14.8); |
534 | AliMaterial( 6, "C" , 12.01, 6.0, 2.265 , 18.8 , 74.4); | |
16bf9884 | 535 | AliMaterial(15, "Sn" , 118.71, 50.0, 7.31 , 1.21, 14.8); |
536 | AliMaterial(16, "Si" , 28.09, 14.0, 2.33 , 9.36, 37.2); | |
0c5a8090 | 537 | AliMaterial(18, "Fe" , 55.85, 26.0, 7.87 , 1.76, 14.8); |
d3f347ff | 538 | |
539 | // Mixtures | |
3dac2b2d | 540 | AliMixture(2, "Air" , aAir, zAir, dAir, 4, wAir ); |
541 | AliMixture(3, "Polyethilene", ape, zpe, dpe, -2, wpe ); | |
3dac2b2d | 542 | AliMixture(8, "CO2", aco, zco, dco, -2, wco ); |
f2979d08 | 543 | if (AliTRDSimParam::Instance()->IsXenon()) { |
544 | AliMixture(10,"XeCO2", aXeCO2, zXeCO2, dgmXe, -3, wXeCO2); | |
545 | } | |
546 | else if (AliTRDSimParam::Instance()->IsArgon()) { | |
547 | AliInfo("Gas mixture: Ar C02 (80/20)"); | |
548 | AliMixture(10,"ArCO2", aArCO2, zArCO2, dgmAr, -3, wArCO2); | |
549 | } | |
550 | else { | |
551 | AliFatal("Wrong gas mixture"); | |
552 | exit(1); | |
553 | } | |
3dac2b2d | 554 | AliMixture(12,"G10", aG10, zG10, dG10, 4, wG10 ); |
555 | AliMixture(13,"Water", awa, zwa, dwa, -2, wwa ); | |
556 | AliMixture(14,"Plexiglas", apg, zpg, dpg, -3, wpg ); | |
557 | AliMixture(17,"Epoxy", aEpoxy, zEpoxy, dEpoxy, -3, wEpoxy); | |
0c5a8090 | 558 | AliMixture(19,"Araldite", aAral, zAral, dAral, -3, wAral ); |
3dac2b2d | 559 | |
d3f347ff | 560 | ////////////////////////////////////////////////////////////////////////// |
fe4da5cc | 561 | // Tracking Media Parameters |
d3f347ff | 562 | ////////////////////////////////////////////////////////////////////////// |
563 | ||
564 | // Al Frame | |
0c5a8090 | 565 | AliMedium( 1,"Al Frame" , 1,0,isxfld,sxmgmx |
566 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 567 | // Air |
0c5a8090 | 568 | AliMedium( 2,"Air" , 2,0,isxfld,sxmgmx |
569 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
570 | // Wires | |
571 | AliMedium( 3,"Wires" , 5,0,isxfld,sxmgmx | |
572 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
573 | // All other ROB materials (caps, etc.) | |
574 | AliMedium( 4,"ROB Other" , 5,0,isxfld,sxmgmx | |
575 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 576 | // Cu pads |
0c5a8090 | 577 | AliMedium( 5,"Padplane" , 5,1,isxfld,sxmgmx |
578 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 579 | // Fee + cables |
0c5a8090 | 580 | AliMedium( 6,"Readout" , 5,0,isxfld,sxmgmx |
581 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 582 | // C frame |
0c5a8090 | 583 | AliMedium( 7,"C Frame" , 6,0,isxfld,sxmgmx |
584 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
585 | // INOX of cooling bus bars | |
586 | AliMedium( 8,"Cooling bus",18,0,isxfld,sxmgmx | |
587 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
3dac2b2d | 588 | // Gas-mixture (Xe/CO2) |
0c5a8090 | 589 | AliMedium( 9,"Gas-mix" ,10,1,isxfld,sxmgmx |
590 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
591 | // Nomex-honeycomb | |
592 | AliMedium(10,"Nomex" ,12,0,isxfld,sxmgmx | |
593 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
594 | // Araldite glue | |
595 | AliMedium(11,"Glue" ,19,0,isxfld,sxmgmx | |
596 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 597 | // G10-plates |
0c5a8090 | 598 | AliMedium(13,"G10-plates" ,12,0,isxfld,sxmgmx |
599 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 600 | // Cooling water |
0c5a8090 | 601 | AliMedium(14,"Water" ,13,0,isxfld,sxmgmx |
602 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
db30bf0f | 603 | // Rohacell (plexiglas) for the radiator |
0c5a8090 | 604 | AliMedium(15,"Rohacell" ,14,0,isxfld,sxmgmx |
605 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 606 | // Al layer in MCMs |
0c5a8090 | 607 | AliMedium(16,"MCM-Al" , 1,0,isxfld,sxmgmx |
608 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 609 | // Sn layer in MCMs |
0c5a8090 | 610 | AliMedium(17,"MCM-Sn" ,15,0,isxfld,sxmgmx |
611 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 612 | // Cu layer in MCMs |
0c5a8090 | 613 | AliMedium(18,"MCM-Cu" , 5,0,isxfld,sxmgmx |
614 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 615 | // G10 layer in MCMs |
0c5a8090 | 616 | AliMedium(19,"MCM-G10" ,12,0,isxfld,sxmgmx |
617 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 618 | // Si in readout chips |
0c5a8090 | 619 | AliMedium(20,"Chip-Si" ,16,0,isxfld,sxmgmx |
620 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 621 | // Epoxy in readout chips |
0c5a8090 | 622 | AliMedium(21,"Chip-Ep" ,17,0,isxfld,sxmgmx |
623 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 624 | // PE in connectors |
0c5a8090 | 625 | AliMedium(22,"Conn-PE" , 3,0,isxfld,sxmgmx |
626 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 627 | // Cu in connectors |
0c5a8090 | 628 | AliMedium(23,"Chip-Cu" , 5,0,isxfld,sxmgmx |
629 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 630 | // Al of cooling pipes |
0c5a8090 | 631 | AliMedium(24,"Cooling" , 1,0,isxfld,sxmgmx |
632 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
73ae7b59 | 633 | // Cu in services |
0c5a8090 | 634 | AliMedium(25,"Serv-Cu" , 5,0,isxfld,sxmgmx |
635 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 636 | |
793ff80c | 637 | // Save the density values for the TRD absorbtion |
0c5a8090 | 638 | Float_t dmy = 1.39; |
793ff80c | 639 | fFoilDensity = dmy; |
f2979d08 | 640 | if (AliTRDSimParam::Instance()->IsXenon()) { |
641 | fGasDensity = dgmXe; | |
642 | fGasNobleFraction = fxc; | |
643 | } | |
644 | else if (AliTRDSimParam::Instance()->IsArgon()) { | |
645 | fGasDensity = dgmAr; | |
646 | fGasNobleFraction = fac; | |
647 | } | |
793ff80c | 648 | |
fe4da5cc | 649 | } |
650 | ||
82bbf98a | 651 | //_____________________________________________________________________________ |
ba380e33 | 652 | void AliTRD::DrawModule() const |
82bbf98a | 653 | { |
654 | // | |
655 | // Draw a shaded view of the Transition Radiation Detector version 0 | |
656 | // | |
657 | ||
658 | // Set everything unseen | |
659 | gMC->Gsatt("*" ,"SEEN",-1); | |
660 | ||
661 | // Set ALIC mother transparent | |
662 | gMC->Gsatt("ALIC","SEEN", 0); | |
663 | ||
664 | // Set the volumes visible | |
851d3db9 | 665 | if (fGeometry->IsVersion() == 0) { |
5c7f4665 | 666 | gMC->Gsatt("B071","SEEN", 0); |
667 | gMC->Gsatt("B074","SEEN", 0); | |
668 | gMC->Gsatt("B075","SEEN", 0); | |
669 | gMC->Gsatt("B077","SEEN", 0); | |
670 | gMC->Gsatt("BTR1","SEEN", 0); | |
671 | gMC->Gsatt("BTR2","SEEN", 0); | |
672 | gMC->Gsatt("BTR3","SEEN", 0); | |
332e9569 | 673 | gMC->Gsatt("UTR1","SEEN", 0); |
674 | gMC->Gsatt("UTR2","SEEN", 0); | |
675 | gMC->Gsatt("UTR3","SEEN", 0); | |
5c7f4665 | 676 | } |
677 | else { | |
678 | gMC->Gsatt("B071","SEEN", 0); | |
679 | gMC->Gsatt("B074","SEEN", 0); | |
680 | gMC->Gsatt("B075","SEEN", 0); | |
681 | gMC->Gsatt("B077","SEEN", 0); | |
682 | gMC->Gsatt("BTR1","SEEN", 0); | |
683 | gMC->Gsatt("BTR2","SEEN", 0); | |
684 | gMC->Gsatt("BTR3","SEEN", 0); | |
332e9569 | 685 | gMC->Gsatt("UTR1","SEEN", 0); |
5c7f4665 | 686 | } |
82bbf98a | 687 | |
688 | gMC->Gdopt("hide", "on"); | |
689 | gMC->Gdopt("shad", "on"); | |
690 | gMC->Gsatt("*", "fill", 7); | |
691 | gMC->SetClipBox("."); | |
692 | gMC->SetClipBox("*", 0, 2000, -2000, 2000, -2000, 2000); | |
693 | gMC->DefaultRange(); | |
694 | gMC->Gdraw("alic", 40, 30, 0, 12, 9.4, .021, .021); | |
695 | gMC->Gdhead(1111, "Transition Radiation Detector"); | |
696 | gMC->Gdman(18, 4, "MAN"); | |
697 | ||
698 | } | |
fe4da5cc | 699 | |
700 | //_____________________________________________________________________________ | |
701 | void AliTRD::Init() | |
702 | { | |
703 | // | |
851d3db9 | 704 | // Initialize the TRD detector after the geometry has been created |
fe4da5cc | 705 | // |
82bbf98a | 706 | |
45160b1f | 707 | AliDebug(1,"++++++++++++++++++++++++++++++++++++++++++++++"); |
5c7f4665 | 708 | |
bd0f8685 | 709 | if (fGeometry->IsVersion() != 1) { |
45160b1f | 710 | AliError("Not a valid geometry"); |
d37eec5e | 711 | } |
5f06bf41 | 712 | |
7235aed2 | 713 | // Special tracking options for charged particles for XeCO2 |
5f06bf41 | 714 | gMC->Gstpar((* fIdtmed)[9],"DRAY" , 1.0); |
715 | gMC->Gstpar((* fIdtmed)[9],"STRA" , 1.0); | |
716 | gMC->Gstpar((* fIdtmed)[9],"LOSS" ,13.0); // Specific energy loss | |
717 | gMC->Gstpar((* fIdtmed)[9],"PRIMIO_E",23.53); // 1st ionisation potential | |
718 | gMC->Gstpar((* fIdtmed)[9],"PRIMIO_N",19.344431); // Number of primaries | |
719 | ||
5c7f4665 | 720 | } |
721 | ||
793ff80c | 722 | //_____________________________________________________________________________ |
73ae7b59 | 723 | void AliTRD::LoadPoints(Int_t ) |
793ff80c | 724 | { |
725 | // | |
726 | // Store x, y, z of all hits in memory. | |
727 | // Hit originating from TR photons are given a different color | |
728 | // | |
729 | ||
030b4415 | 730 | if (fHits == 0) { |
731 | return; | |
732 | } | |
793ff80c | 733 | |
030b4415 | 734 | Int_t nhits = fHits->GetEntriesFast(); |
735 | if (nhits == 0) { | |
736 | return; | |
737 | } | |
793ff80c | 738 | |
5d12ce38 | 739 | Int_t tracks = gAlice->GetMCApp()->GetNtrack(); |
030b4415 | 740 | if (fPoints == 0) { |
741 | fPoints = new TObjArray(tracks); | |
742 | } | |
793ff80c | 743 | |
744 | AliTRDhit *ahit; | |
745 | ||
746 | Int_t *ntrkE = new Int_t[tracks]; | |
747 | Int_t *ntrkT = new Int_t[tracks]; | |
748 | Int_t *limiE = new Int_t[tracks]; | |
749 | Int_t *limiT = new Int_t[tracks]; | |
750 | Float_t **coorE = new Float_t*[tracks]; | |
751 | Float_t **coorT = new Float_t*[tracks]; | |
752 | for(Int_t i = 0; i < tracks; i++) { | |
753 | ntrkE[i] = 0; | |
754 | ntrkT[i] = 0; | |
755 | coorE[i] = 0; | |
756 | coorT[i] = 0; | |
757 | limiE[i] = 0; | |
758 | limiT[i] = 0; | |
759 | } | |
760 | ||
332e9569 | 761 | AliTRDpoints *points = 0; |
762 | Float_t *fp = 0; | |
763 | Int_t trk; | |
764 | Int_t chunk = nhits / 4 + 1; | |
793ff80c | 765 | |
766 | // Loop over all the hits and store their position | |
332e9569 | 767 | ahit = (AliTRDhit *) FirstHit(-1); |
768 | while (ahit) { | |
793ff80c | 769 | |
770 | // dEdx hits | |
332e9569 | 771 | if (ahit->GetCharge() >= 0) { |
793ff80c | 772 | |
773 | trk = ahit->GetTrack(); | |
774 | if (ntrkE[trk] == limiE[trk]) { | |
775 | // Initialise a new track | |
776 | fp = new Float_t[3*(limiE[trk]+chunk)]; | |
777 | if (coorE[trk]) { | |
778 | memcpy(fp,coorE[trk],sizeof(Float_t)*3*limiE[trk]); | |
779 | delete [] coorE[trk]; | |
780 | } | |
781 | limiE[trk] += chunk; | |
782 | coorE[trk] = fp; | |
783 | } | |
784 | else { | |
785 | fp = coorE[trk]; | |
786 | } | |
787 | fp[3*ntrkE[trk] ] = ahit->X(); | |
788 | fp[3*ntrkE[trk]+1] = ahit->Y(); | |
789 | fp[3*ntrkE[trk]+2] = ahit->Z(); | |
790 | ntrkE[trk]++; | |
791 | ||
792 | } | |
793 | // TR photon hits | |
030b4415 | 794 | else if ((ahit->GetCharge() < 0) && |
795 | (fDrawTR)) { | |
793ff80c | 796 | |
797 | trk = ahit->GetTrack(); | |
798 | if (ntrkT[trk] == limiT[trk]) { | |
799 | // Initialise a new track | |
800 | fp = new Float_t[3*(limiT[trk]+chunk)]; | |
801 | if (coorT[trk]) { | |
802 | memcpy(fp,coorT[trk],sizeof(Float_t)*3*limiT[trk]); | |
803 | delete [] coorT[trk]; | |
804 | } | |
805 | limiT[trk] += chunk; | |
806 | coorT[trk] = fp; | |
807 | } | |
808 | else { | |
809 | fp = coorT[trk]; | |
810 | } | |
811 | fp[3*ntrkT[trk] ] = ahit->X(); | |
812 | fp[3*ntrkT[trk]+1] = ahit->Y(); | |
813 | fp[3*ntrkT[trk]+2] = ahit->Z(); | |
814 | ntrkT[trk]++; | |
815 | ||
816 | } | |
817 | ||
332e9569 | 818 | ahit = (AliTRDhit *) NextHit(); |
819 | ||
793ff80c | 820 | } |
821 | ||
822 | for (trk = 0; trk < tracks; ++trk) { | |
823 | ||
824 | if (ntrkE[trk] || ntrkT[trk]) { | |
825 | ||
826 | points = new AliTRDpoints(); | |
827 | points->SetDetector(this); | |
828 | points->SetParticle(trk); | |
829 | ||
830 | // Set the dEdx points | |
831 | if (ntrkE[trk]) { | |
e939a978 | 832 | points->SetMarkerColor(kWhite); //PH This is the default color in TRD |
833 | points->SetMarkerSize(1); //PH Default size=1 | |
834 | points->SetPolyMarker(ntrkE[trk],coorE[trk],1); //PH Default style=1 | |
793ff80c | 835 | delete [] coorE[trk]; |
836 | coorE[trk] = 0; | |
837 | } | |
838 | ||
839 | // Set the TR photon points | |
840 | if (ntrkT[trk]) { | |
841 | points->SetTRpoints(ntrkT[trk],coorT[trk]); | |
842 | delete [] coorT[trk]; | |
843 | coorT[trk] = 0; | |
844 | } | |
845 | ||
846 | fPoints->AddAt(points,trk); | |
847 | ||
848 | } | |
849 | ||
850 | } | |
851 | ||
852 | delete [] coorE; | |
853 | delete [] coorT; | |
854 | delete [] ntrkE; | |
855 | delete [] ntrkT; | |
856 | delete [] limiE; | |
857 | delete [] limiT; | |
858 | ||
859 | } | |
860 | ||
5c7f4665 | 861 | //_____________________________________________________________________________ |
030b4415 | 862 | void AliTRD::MakeBranch(Option_t *option) |
5c7f4665 | 863 | { |
864 | // | |
abaf1f1d | 865 | // Create Tree branches for the TRD digits. |
5c7f4665 | 866 | // |
867 | ||
abaf1f1d | 868 | Int_t buffersize = 4000; |
869 | Char_t branchname[15]; | |
870 | sprintf(branchname,"%s",GetName()); | |
5c7f4665 | 871 | |
030b4415 | 872 | const Char_t *cD = strstr(option,"D"); |
aa9d00f0 | 873 | |
88cb7938 | 874 | AliDetector::MakeBranch(option); |
5c7f4665 | 875 | |
030b4415 | 876 | if (fDigits && |
877 | gAlice->TreeD() && | |
878 | cD) { | |
88cb7938 | 879 | MakeBranchInTree(gAlice->TreeD(),branchname,&fDigits,buffersize,0); |
030b4415 | 880 | } |
abaf1f1d | 881 | |
851d3db9 | 882 | } |
883 | ||
6244debe | 884 | //_____________________________________________________________________________ |
885 | void AliTRD::ResetDigits() | |
886 | { | |
887 | // | |
abaf1f1d | 888 | // Reset number of digits and the digits array for this detector |
6244debe | 889 | // |
890 | ||
abaf1f1d | 891 | fNdigits = 0; |
030b4415 | 892 | |
893 | if (fDigits) { | |
894 | fDigits->Clear(); | |
895 | } | |
6244debe | 896 | |
897 | } | |
898 | ||
5c7f4665 | 899 | //_____________________________________________________________________________ |
900 | void AliTRD::SetTreeAddress() | |
901 | { | |
902 | // | |
903 | // Set the branch addresses for the trees. | |
904 | // | |
905 | ||
030b4415 | 906 | if (fLoader->TreeH() && |
907 | (fHits == 0x0)) { | |
a328fff9 | 908 | fHits = new TClonesArray("AliTRDhit",405); |
332e9569 | 909 | } |
a328fff9 | 910 | AliDetector::SetTreeAddress(); |
332e9569 | 911 | |
fe4da5cc | 912 | } |
913 | ||
68119ad1 | 914 | //_____________________________________________________________________________ |
915 | Bool_t AliTRD::Raw2SDigits(AliRawReader *rawReader) | |
916 | { | |
917 | // | |
918 | // Converts RAW data to SDigits | |
919 | // | |
920 | ||
921 | AliLoader *loader = fRunLoader->GetLoader("TRDLoader"); | |
922 | if (!loader) { | |
923 | AliError("Can not get TRD loader from Run Loader"); | |
924 | return kFALSE; | |
925 | } | |
926 | ||
927 | TTree *tree = 0; | |
928 | tree = loader->TreeS(); | |
929 | if (!tree) { | |
930 | loader->MakeTree("S"); | |
931 | tree = loader->TreeS(); | |
932 | } | |
933 | ||
934 | AliTRDrawData *rawdata = new AliTRDrawData(); | |
935 | AliTRDdigitsManager *sdigitsManager = rawdata->Raw2Digits(rawReader); | |
936 | if (sdigitsManager) { | |
937 | sdigitsManager->SetSDigits(kTRUE); | |
938 | sdigitsManager->MakeBranch(tree); | |
939 | sdigitsManager->WriteDigits(); | |
940 | return kTRUE; | |
941 | } | |
942 | else { | |
943 | return kFALSE; | |
944 | } | |
945 | ||
946 | } | |
947 | ||
9c7c9ec1 | 948 | //_____________________________________________________________________________ |
949 | AliLoader* AliTRD::MakeLoader(const char* topfoldername) | |
950 | { | |
951 | fLoader = new AliLoader(GetName(),topfoldername); | |
952 | ||
953 | AliInfo("Adding Tracklets-loader"); | |
954 | AliDataLoader *dl = new AliDataLoader("TRD.Tracklets.root","tracklets", "tracklets"); | |
955 | fLoader->AddDataLoader(dl); | |
956 | ||
957 | return fLoader; | |
958 | } | |
959 | ||
dd9a6ee3 | 960 | //_____________________________________________________________________________ |
961 | AliTRD &AliTRD::operator=(const AliTRD &trd) | |
962 | { | |
963 | // | |
964 | // Assignment operator | |
965 | // | |
966 | ||
0c5a8090 | 967 | if (this != &trd) { |
968 | ((AliTRD &) trd).Copy(*this); | |
969 | } | |
030b4415 | 970 | |
dd9a6ee3 | 971 | return *this; |
972 | ||
68119ad1 | 973 | } |