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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> |
88cb7938 | 31 | #include <TLorentzVector.h> |
fe4da5cc | 32 | #include <TMath.h> |
332e9569 | 33 | #include <TParticle.h> |
88cb7938 | 34 | #include <TROOT.h> |
35 | #include <TTree.h> | |
36 | #include <TVirtualMC.h> | |
37 | ||
d3f347ff | 38 | #include "AliConst.h" |
793ff80c | 39 | #include "AliDigit.h" |
88cb7938 | 40 | #include "AliLoader.h" |
45160b1f | 41 | #include "AliLog.h" |
42 | #include "AliMC.h" | |
793ff80c | 43 | #include "AliMagF.h" |
88cb7938 | 44 | #include "AliRun.h" |
030b4415 | 45 | #include "AliTrackReference.h" |
68119ad1 | 46 | #include "AliRawReader.h" |
030b4415 | 47 | |
793ff80c | 48 | #include "AliTRD.h" |
793ff80c | 49 | #include "AliTRDdigit.h" |
851d3db9 | 50 | #include "AliTRDdigitizer.h" |
88cb7938 | 51 | #include "AliTRDdigitsManager.h" |
bd0f8685 | 52 | #include "AliTRDgeometry.h" |
88cb7938 | 53 | #include "AliTRDhit.h" |
b864d801 | 54 | #include "AliTRDrawData.h" |
3551db50 | 55 | #include "AliTRDSimParam.h" |
3551db50 | 56 | #include "AliTRDCommonParam.h" |
57 | #include "AliTRDcalibDB.h" | |
58 | ||
fe4da5cc | 59 | ClassImp(AliTRD) |
60 | ||
61 | //_____________________________________________________________________________ | |
62 | AliTRD::AliTRD() | |
030b4415 | 63 | :AliDetector() |
64 | ,fGeometry(0) | |
65 | ,fGasDensity(0) | |
66 | ,fFoilDensity(0) | |
f2979d08 | 67 | ,fGasNobleFraction(0) |
030b4415 | 68 | ,fDrawTR(0) |
69 | ,fDisplayType(0) | |
fe4da5cc | 70 | { |
71 | // | |
72 | // Default constructor | |
73 | // | |
332e9569 | 74 | |
fe4da5cc | 75 | } |
76 | ||
77 | //_____________________________________________________________________________ | |
78 | AliTRD::AliTRD(const char *name, const char *title) | |
030b4415 | 79 | :AliDetector(name,title) |
80 | ,fGeometry(0) | |
81 | ,fGasDensity(0) | |
82 | ,fFoilDensity(0) | |
457b47bb | 83 | ,fGasNobleFraction(0) |
030b4415 | 84 | ,fDrawTR(0) |
85 | ,fDisplayType(0) | |
fe4da5cc | 86 | { |
87 | // | |
88 | // Standard constructor for the TRD | |
89 | // | |
90 | ||
030b4415 | 91 | // Check that FRAME is there otherwise we have no place where to put TRD |
92 | AliModule *frame = gAlice->GetModule("FRAME"); | |
8230f242 | 93 | if (!frame) { |
030b4415 | 94 | AliError("TRD needs FRAME to be present\n"); |
5c7f4665 | 95 | exit(1); |
96 | } | |
97 | ||
d37eec5e | 98 | // Define the TRD geometry |
99 | if ((frame->IsVersion() == 0) || | |
100 | (frame->IsVersion() == 1)) { | |
bd0f8685 | 101 | fGeometry = new AliTRDgeometry(); |
851d3db9 | 102 | } |
103 | else { | |
030b4415 | 104 | AliError("Could not find valid FRAME version\n"); |
851d3db9 | 105 | exit(1); |
106 | } | |
5c7f4665 | 107 | |
fe4da5cc | 108 | // Allocate the hit array |
030b4415 | 109 | fHits = new TClonesArray("AliTRDhit",405); |
5d12ce38 | 110 | gAlice->GetMCApp()->AddHitList(fHits); |
99d5402e | 111 | |
8230f242 | 112 | } |
113 | ||
99d5402e | 114 | //_____________________________________________________________________________ |
115 | AliTRD::~AliTRD() | |
116 | { | |
117 | // | |
118 | // TRD destructor | |
119 | // | |
120 | ||
abaf1f1d | 121 | if (fGeometry) { |
122 | delete fGeometry; | |
030b4415 | 123 | fGeometry = 0; |
abaf1f1d | 124 | } |
030b4415 | 125 | |
abaf1f1d | 126 | if (fHits) { |
127 | delete fHits; | |
030b4415 | 128 | fHits = 0; |
abaf1f1d | 129 | } |
bd0f8685 | 130 | |
5c7f4665 | 131 | } |
132 | ||
6244debe | 133 | //_____________________________________________________________________________ |
134 | void AliTRD::Hits2Digits() | |
2ab0c725 | 135 | { |
136 | // | |
137 | // Create digits | |
138 | // | |
bd0f8685 | 139 | |
be385a87 | 140 | AliTRDdigitizer digitizer("TRDdigitizer","TRD digitizer class"); |
45160b1f | 141 | AliLog::SetClassDebugLevel("TRDdigitizer",AliDebugLevel()); |
9a96f175 | 142 | |
6244debe | 143 | // Initialization |
be385a87 | 144 | digitizer.InitDetector(); |
6244debe | 145 | |
030b4415 | 146 | if (!fLoader->TreeH()) { |
147 | fLoader->LoadHits("read"); | |
148 | } | |
85a5290f | 149 | fLoader->LoadDigits("recreate"); |
95867fd1 | 150 | |
030b4415 | 151 | AliRunLoader *runLoader = fLoader->GetRunLoader(); |
6244debe | 152 | |
85a5290f | 153 | for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) { |
95867fd1 | 154 | runLoader->GetEvent(iEvent); |
155 | digitizer.Open(runLoader,iEvent); | |
be385a87 | 156 | digitizer.MakeDigits(); |
157 | digitizer.WriteDigits(); | |
6244debe | 158 | } |
159 | ||
85a5290f | 160 | fLoader->UnloadHits(); |
161 | fLoader->UnloadDigits(); | |
a328fff9 | 162 | |
6244debe | 163 | } |
164 | ||
165 | //_____________________________________________________________________________ | |
166 | void AliTRD::Hits2SDigits() | |
167 | { | |
168 | // | |
169 | // Create summable digits | |
170 | // | |
a328fff9 | 171 | |
be385a87 | 172 | AliTRDdigitizer digitizer("TRDdigitizer","TRD digitizer class"); |
6244debe | 173 | // For the summable digits |
be385a87 | 174 | digitizer.SetSDigits(kTRUE); |
45160b1f | 175 | AliLog::SetClassDebugLevel("TRDdigitizer",AliDebugLevel()); |
6244debe | 176 | |
177 | // Initialization | |
be385a87 | 178 | digitizer.InitDetector(); |
2ab0c725 | 179 | |
030b4415 | 180 | if (!fLoader->TreeH()) { |
181 | fLoader->LoadHits("read"); | |
182 | } | |
85a5290f | 183 | fLoader->LoadSDigits("recreate"); |
95867fd1 | 184 | |
185 | AliRunLoader *runLoader = fLoader->GetRunLoader(); | |
6244debe | 186 | |
85a5290f | 187 | for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) { |
95867fd1 | 188 | runLoader->GetEvent(iEvent); |
189 | digitizer.Open(runLoader,iEvent); | |
be385a87 | 190 | digitizer.MakeDigits(); |
191 | digitizer.WriteDigits(); | |
85a5290f | 192 | } |
2ab0c725 | 193 | |
85a5290f | 194 | fLoader->UnloadHits(); |
195 | fLoader->UnloadSDigits(); | |
a328fff9 | 196 | |
197 | } | |
6244debe | 198 | |
85a5290f | 199 | //_____________________________________________________________________________ |
95867fd1 | 200 | AliDigitizer *AliTRD::CreateDigitizer(AliRunDigitizer *manager) const |
85a5290f | 201 | { |
a328fff9 | 202 | // |
203 | // Creates a new digitizer object | |
204 | // | |
205 | ||
85a5290f | 206 | return new AliTRDdigitizer(manager); |
a328fff9 | 207 | |
6244debe | 208 | } |
209 | ||
210 | //_____________________________________________________________________________ | |
211 | void AliTRD::SDigits2Digits() | |
212 | { | |
213 | // | |
214 | // Create final digits from summable digits | |
215 | // | |
216 | ||
bd0f8685 | 217 | // Create the TRD digitizer |
be385a87 | 218 | AliTRDdigitizer digitizer("TRDdigitizer","TRD digitizer class"); |
45160b1f | 219 | AliLog::SetClassDebugLevel("TRDdigitizer",AliDebugLevel()); |
99d5402e | 220 | |
abaf1f1d | 221 | // Set the parameter |
be385a87 | 222 | digitizer.SetEvent(gAlice->GetEvNumber()); |
abaf1f1d | 223 | |
224 | // Initialization | |
be385a87 | 225 | digitizer.InitDetector(); |
abaf1f1d | 226 | |
227 | // Read the s-digits via digits manager | |
be385a87 | 228 | AliTRDdigitsManager sdigitsManager; |
88cb7938 | 229 | |
45160b1f | 230 | AliLog::SetClassDebugLevel("TRDdigitisManager",AliDebugLevel()); |
be385a87 | 231 | sdigitsManager.SetSDigits(kTRUE); |
232 | sdigitsManager.CreateArrays(); | |
88cb7938 | 233 | |
030b4415 | 234 | if (!fLoader->TreeS()) { |
235 | if (fLoader->LoadSDigits("read")) { | |
236 | return; | |
237 | } | |
238 | } | |
239 | if (!fLoader->TreeS()) { | |
240 | AliError(Form("Error while reading SDigits for event %d",gAlice->GetEvNumber())); | |
241 | return; | |
242 | } | |
88cb7938 | 243 | |
be385a87 | 244 | sdigitsManager.ReadDigits(fLoader->TreeS()); |
abaf1f1d | 245 | |
246 | // Add the s-digits to the input list | |
be385a87 | 247 | digitizer.AddSDigitsManager(&sdigitsManager); |
99d5402e | 248 | |
abaf1f1d | 249 | // Convert the s-digits to normal digits |
be385a87 | 250 | digitizer.SDigits2Digits(); |
abaf1f1d | 251 | |
252 | // Store the digits | |
030b4415 | 253 | if (!fLoader->TreeD()) { |
254 | fLoader->MakeTree("D"); | |
255 | } | |
be385a87 | 256 | if (digitizer.MakeBranch(fLoader->TreeD())){ |
257 | digitizer.WriteDigits(); | |
abaf1f1d | 258 | } |
99d5402e | 259 | |
260 | } | |
261 | ||
b864d801 | 262 | //_____________________________________________________________________________ |
263 | void AliTRD::Digits2Raw() | |
264 | { | |
265 | // | |
030b4415 | 266 | // Convert digits of the current event to raw data |
b864d801 | 267 | // |
268 | ||
269 | fLoader->LoadDigits(); | |
030b4415 | 270 | TTree *digits = fLoader->TreeD(); |
b864d801 | 271 | if (!digits) { |
030b4415 | 272 | AliError("No digits tree"); |
b864d801 | 273 | return; |
274 | } | |
275 | ||
276 | AliTRDrawData rawWriter; | |
b864d801 | 277 | if (!rawWriter.Digits2Raw(digits)) { |
030b4415 | 278 | AliError("The raw writer could not load the digits tree"); |
b864d801 | 279 | } |
280 | ||
281 | fLoader->UnloadDigits(); | |
282 | ||
283 | } | |
284 | ||
fe4da5cc | 285 | //_____________________________________________________________________________ |
332e9569 | 286 | void AliTRD::AddHit(Int_t track, Int_t det, Float_t *hits, Int_t q |
2fa01832 | 287 | , Float_t time, Bool_t inDrift) |
fe4da5cc | 288 | { |
289 | // | |
290 | // Add a hit for the TRD | |
332e9569 | 291 | // |
82bbf98a | 292 | |
a328fff9 | 293 | TClonesArray &lhits = *fHits; |
2fa01832 | 294 | AliTRDhit *hit = new(lhits[fNhits++]) AliTRDhit(fIshunt |
295 | ,track | |
296 | ,det | |
297 | ,hits | |
298 | ,q | |
299 | ,time); | |
300 | ||
a328fff9 | 301 | if (inDrift) { |
302 | hit->SetDrift(); | |
332e9569 | 303 | } |
a328fff9 | 304 | else { |
305 | hit->SetAmplification(); | |
306 | } | |
030b4415 | 307 | |
a328fff9 | 308 | if (q < 0) { |
309 | hit->SetTRphoton(); | |
332e9569 | 310 | } |
82bbf98a | 311 | |
fe4da5cc | 312 | } |
fe4da5cc | 313 | |
314 | //_____________________________________________________________________________ | |
82bbf98a | 315 | void AliTRD::CreateGeometry() |
fe4da5cc | 316 | { |
82bbf98a | 317 | // |
318 | // Creates the volumes for the TRD chambers | |
319 | // | |
82bbf98a | 320 | |
321 | // Check that FRAME is there otherwise we have no place where to put the TRD | |
030b4415 | 322 | AliModule *frame = gAlice->GetModule("FRAME"); |
8230f242 | 323 | if (!frame) { |
45160b1f | 324 | AliFatal("The TRD needs the FRAME to be defined first"); |
82bbf98a | 325 | } |
d3f347ff | 326 | |
851d3db9 | 327 | fGeometry->CreateGeometry(fIdtmed->GetArray() - 1299); |
5c7f4665 | 328 | |
82bbf98a | 329 | } |
330 | ||
331 | //_____________________________________________________________________________ | |
332 | void AliTRD::CreateMaterials() | |
333 | { | |
fe4da5cc | 334 | // |
335 | // Create the materials for the TRD | |
fe4da5cc | 336 | // |
337 | ||
8230f242 | 338 | Int_t isxfld = gAlice->Field()->Integ(); |
339 | Float_t sxmgmx = gAlice->Field()->Max(); | |
fe4da5cc | 340 | |
d3f347ff | 341 | // For polyethilene (CH2) |
030b4415 | 342 | Float_t ape[2] = { 12.011 , 1.0079 }; |
343 | Float_t zpe[2] = { 6.0 , 1.0 }; | |
344 | Float_t wpe[2] = { 1.0 , 2.0 }; | |
345 | Float_t dpe = 0.95; | |
d3f347ff | 346 | |
d3f347ff | 347 | // For CO2 |
030b4415 | 348 | Float_t aco[2] = { 12.011 , 15.9994 }; |
349 | Float_t zco[2] = { 6.0 , 8.0 }; | |
350 | Float_t wco[2] = { 1.0 , 2.0 }; | |
f2979d08 | 351 | Float_t dco = 0.00186; // at 20C |
d3f347ff | 352 | |
353 | // For water | |
030b4415 | 354 | Float_t awa[2] = { 1.0079, 15.9994 }; |
355 | Float_t zwa[2] = { 1.0 , 8.0 }; | |
356 | Float_t wwa[2] = { 2.0 , 1.0 }; | |
357 | Float_t dwa = 1.0; | |
d3f347ff | 358 | |
db30bf0f | 359 | // For plexiglas (C5H8O2) |
030b4415 | 360 | Float_t apg[3] = { 12.011 , 1.0079, 15.9994 }; |
361 | Float_t zpg[3] = { 6.0 , 1.0 , 8.0 }; | |
362 | Float_t wpg[3] = { 5.0 , 8.0 , 2.0 }; | |
363 | Float_t dpg = 1.18; | |
08ca3951 | 364 | |
365 | // For epoxy (C18H19O3) | |
3dac2b2d | 366 | Float_t aEpoxy[3] = { 15.9994, 1.0079, 12.011 }; |
367 | Float_t zEpoxy[3] = { 8.0 , 1.0 , 6.0 }; | |
368 | Float_t wEpoxy[3] = { 3.0 , 19.0 , 18.0 }; | |
08ca3951 | 369 | Float_t dEpoxy = 1.8 ; |
370 | ||
0c5a8090 | 371 | // For Araldite, low density epoxy (C18H19O3) |
372 | Float_t aAral[3] = { 15.9994, 1.0079, 12.011 }; | |
373 | Float_t zAral[3] = { 8.0 , 1.0 , 6.0 }; | |
374 | Float_t wAral[3] = { 3.0 , 19.0 , 18.0 }; | |
375 | Float_t dAral = 1.05; | |
376 | ||
08ca3951 | 377 | // For air |
3dac2b2d | 378 | Float_t aAir[4] = { 12.011 , 14.0 , 15.9994 , 36.0 }; |
379 | Float_t zAir[4] = { 6.0 , 7.0 , 8.0 , 18.0 }; | |
380 | Float_t wAir[4] = { 0.000124, 0.755267, 0.231781, 0.012827 }; | |
0c5a8090 | 381 | Float_t dAir = 1.20479e-03; |
08ca3951 | 382 | |
383 | // For G10 | |
3dac2b2d | 384 | Float_t aG10[4] = { 1.0079 , 12.011 , 15.9994 , 28.086 }; |
385 | Float_t zG10[4] = { 1.0 , 6.0 , 8.0 , 14.0 }; | |
386 | Float_t wG10[4] = { 0.15201 , 0.10641 , 0.49444 , 0.24714 }; | |
08ca3951 | 387 | Float_t dG10 = 1.7; |
db30bf0f | 388 | |
d3f347ff | 389 | // For Xe/CO2-gas-mixture |
3dac2b2d | 390 | Float_t aXeCO2[3] = { 131.29 , 12.0107 , 15.9994 }; |
391 | Float_t zXeCO2[3] = { 54.0 , 6.0 , 8.0 }; | |
330bfc2f | 392 | Float_t wXeCO2[3] = { 8.5 , 1.5 , 3.0 }; |
db30bf0f | 393 | // Xe-content of the Xe/CO2-mixture (85% / 15%) |
3dac2b2d | 394 | Float_t fxc = 0.85; |
f2979d08 | 395 | Float_t dxe = 0.00549; // at 20C |
396 | Float_t dgmXe = fxc * dxe + (1.0 - fxc) * dco; | |
397 | ||
398 | // For Ar/CO2-gas-mixture | |
399 | Float_t aArCO2[3] = { 39.948 , 12.0107 , 15.9994 }; | |
400 | Float_t zArCO2[3] = { 18.0 , 6.0 , 8.0 }; | |
401 | Float_t wArCO2[3] = { 8.2 , 1.8 , 3.6 }; | |
402 | // Ar-content of the Ar/CO2-mixture (82% / 18%) | |
403 | Float_t fac = 0.82; | |
404 | Float_t dar = 0.00166; // at 20C | |
405 | Float_t dgmAr = fac * dar + (1.0 - fac) * dco; | |
fe4da5cc | 406 | |
d3f347ff | 407 | // General tracking parameter |
030b4415 | 408 | Float_t tmaxfd = -10.0; |
409 | Float_t stemax = -1.0e10; | |
410 | Float_t deemax = -0.1; | |
411 | Float_t epsil = 1.0e-4; | |
412 | Float_t stmin = -0.001; | |
fe4da5cc | 413 | |
d3f347ff | 414 | ////////////////////////////////////////////////////////////////////////// |
fe4da5cc | 415 | // Define Materials |
d3f347ff | 416 | ////////////////////////////////////////////////////////////////////////// |
417 | ||
16bf9884 | 418 | AliMaterial( 1, "Al" , 26.98, 13.0, 2.7 , 8.9 , 37.2); |
3dac2b2d | 419 | AliMaterial( 4, "Xe" , 131.29, 54.0, dxe , 1546.16, 0.0); |
16bf9884 | 420 | AliMaterial( 5, "Cu" , 63.54, 29.0, 8.96 , 1.43, 14.8); |
421 | AliMaterial( 6, "C" , 12.01, 6.0, 2.265 , 18.8 , 74.4); | |
16bf9884 | 422 | AliMaterial(15, "Sn" , 118.71, 50.0, 7.31 , 1.21, 14.8); |
423 | AliMaterial(16, "Si" , 28.09, 14.0, 2.33 , 9.36, 37.2); | |
0c5a8090 | 424 | AliMaterial(18, "Fe" , 55.85, 26.0, 7.87 , 1.76, 14.8); |
d3f347ff | 425 | |
426 | // Mixtures | |
3dac2b2d | 427 | AliMixture(2, "Air" , aAir, zAir, dAir, 4, wAir ); |
428 | AliMixture(3, "Polyethilene", ape, zpe, dpe, -2, wpe ); | |
3dac2b2d | 429 | AliMixture(8, "CO2", aco, zco, dco, -2, wco ); |
f2979d08 | 430 | if (AliTRDSimParam::Instance()->IsXenon()) { |
431 | AliMixture(10,"XeCO2", aXeCO2, zXeCO2, dgmXe, -3, wXeCO2); | |
432 | } | |
433 | else if (AliTRDSimParam::Instance()->IsArgon()) { | |
434 | AliInfo("Gas mixture: Ar C02 (80/20)"); | |
435 | AliMixture(10,"ArCO2", aArCO2, zArCO2, dgmAr, -3, wArCO2); | |
436 | } | |
437 | else { | |
438 | AliFatal("Wrong gas mixture"); | |
439 | exit(1); | |
440 | } | |
3dac2b2d | 441 | AliMixture(12,"G10", aG10, zG10, dG10, 4, wG10 ); |
442 | AliMixture(13,"Water", awa, zwa, dwa, -2, wwa ); | |
443 | AliMixture(14,"Plexiglas", apg, zpg, dpg, -3, wpg ); | |
444 | AliMixture(17,"Epoxy", aEpoxy, zEpoxy, dEpoxy, -3, wEpoxy); | |
0c5a8090 | 445 | AliMixture(19,"Araldite", aAral, zAral, dAral, -3, wAral ); |
3dac2b2d | 446 | |
d3f347ff | 447 | ////////////////////////////////////////////////////////////////////////// |
fe4da5cc | 448 | // Tracking Media Parameters |
d3f347ff | 449 | ////////////////////////////////////////////////////////////////////////// |
450 | ||
451 | // Al Frame | |
0c5a8090 | 452 | AliMedium( 1,"Al Frame" , 1,0,isxfld,sxmgmx |
453 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 454 | // Air |
0c5a8090 | 455 | AliMedium( 2,"Air" , 2,0,isxfld,sxmgmx |
456 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
457 | // Wires | |
458 | AliMedium( 3,"Wires" , 5,0,isxfld,sxmgmx | |
459 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
460 | // All other ROB materials (caps, etc.) | |
461 | AliMedium( 4,"ROB Other" , 5,0,isxfld,sxmgmx | |
462 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 463 | // Cu pads |
0c5a8090 | 464 | AliMedium( 5,"Padplane" , 5,1,isxfld,sxmgmx |
465 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 466 | // Fee + cables |
0c5a8090 | 467 | AliMedium( 6,"Readout" , 5,0,isxfld,sxmgmx |
468 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 469 | // C frame |
0c5a8090 | 470 | AliMedium( 7,"C Frame" , 6,0,isxfld,sxmgmx |
471 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
472 | // INOX of cooling bus bars | |
473 | AliMedium( 8,"Cooling bus",18,0,isxfld,sxmgmx | |
474 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
3dac2b2d | 475 | // Gas-mixture (Xe/CO2) |
0c5a8090 | 476 | AliMedium( 9,"Gas-mix" ,10,1,isxfld,sxmgmx |
477 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
478 | // Nomex-honeycomb | |
479 | AliMedium(10,"Nomex" ,12,0,isxfld,sxmgmx | |
480 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
481 | // Araldite glue | |
482 | AliMedium(11,"Glue" ,19,0,isxfld,sxmgmx | |
483 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 484 | // G10-plates |
0c5a8090 | 485 | AliMedium(13,"G10-plates" ,12,0,isxfld,sxmgmx |
486 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 487 | // Cooling water |
0c5a8090 | 488 | AliMedium(14,"Water" ,13,0,isxfld,sxmgmx |
489 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
db30bf0f | 490 | // Rohacell (plexiglas) for the radiator |
0c5a8090 | 491 | AliMedium(15,"Rohacell" ,14,0,isxfld,sxmgmx |
492 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 493 | // Al layer in MCMs |
0c5a8090 | 494 | AliMedium(16,"MCM-Al" , 1,0,isxfld,sxmgmx |
495 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 496 | // Sn layer in MCMs |
0c5a8090 | 497 | AliMedium(17,"MCM-Sn" ,15,0,isxfld,sxmgmx |
498 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 499 | // Cu layer in MCMs |
0c5a8090 | 500 | AliMedium(18,"MCM-Cu" , 5,0,isxfld,sxmgmx |
501 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 502 | // G10 layer in MCMs |
0c5a8090 | 503 | AliMedium(19,"MCM-G10" ,12,0,isxfld,sxmgmx |
504 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 505 | // Si in readout chips |
0c5a8090 | 506 | AliMedium(20,"Chip-Si" ,16,0,isxfld,sxmgmx |
507 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 508 | // Epoxy in readout chips |
0c5a8090 | 509 | AliMedium(21,"Chip-Ep" ,17,0,isxfld,sxmgmx |
510 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 511 | // PE in connectors |
0c5a8090 | 512 | AliMedium(22,"Conn-PE" , 3,0,isxfld,sxmgmx |
513 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 514 | // Cu in connectors |
0c5a8090 | 515 | AliMedium(23,"Chip-Cu" , 5,0,isxfld,sxmgmx |
516 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 517 | // Al of cooling pipes |
0c5a8090 | 518 | AliMedium(24,"Cooling" , 1,0,isxfld,sxmgmx |
519 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
73ae7b59 | 520 | // Cu in services |
0c5a8090 | 521 | AliMedium(25,"Serv-Cu" , 5,0,isxfld,sxmgmx |
522 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 523 | |
793ff80c | 524 | // Save the density values for the TRD absorbtion |
0c5a8090 | 525 | Float_t dmy = 1.39; |
793ff80c | 526 | fFoilDensity = dmy; |
f2979d08 | 527 | if (AliTRDSimParam::Instance()->IsXenon()) { |
528 | fGasDensity = dgmXe; | |
529 | fGasNobleFraction = fxc; | |
530 | } | |
531 | else if (AliTRDSimParam::Instance()->IsArgon()) { | |
532 | fGasDensity = dgmAr; | |
533 | fGasNobleFraction = fac; | |
534 | } | |
793ff80c | 535 | |
fe4da5cc | 536 | } |
537 | ||
82bbf98a | 538 | //_____________________________________________________________________________ |
ba380e33 | 539 | void AliTRD::DrawModule() const |
82bbf98a | 540 | { |
541 | // | |
542 | // Draw a shaded view of the Transition Radiation Detector version 0 | |
543 | // | |
544 | ||
545 | // Set everything unseen | |
546 | gMC->Gsatt("*" ,"SEEN",-1); | |
547 | ||
548 | // Set ALIC mother transparent | |
549 | gMC->Gsatt("ALIC","SEEN", 0); | |
550 | ||
551 | // Set the volumes visible | |
851d3db9 | 552 | if (fGeometry->IsVersion() == 0) { |
5c7f4665 | 553 | gMC->Gsatt("B071","SEEN", 0); |
554 | gMC->Gsatt("B074","SEEN", 0); | |
555 | gMC->Gsatt("B075","SEEN", 0); | |
556 | gMC->Gsatt("B077","SEEN", 0); | |
557 | gMC->Gsatt("BTR1","SEEN", 0); | |
558 | gMC->Gsatt("BTR2","SEEN", 0); | |
559 | gMC->Gsatt("BTR3","SEEN", 0); | |
332e9569 | 560 | gMC->Gsatt("UTR1","SEEN", 0); |
561 | gMC->Gsatt("UTR2","SEEN", 0); | |
562 | gMC->Gsatt("UTR3","SEEN", 0); | |
5c7f4665 | 563 | } |
564 | else { | |
565 | gMC->Gsatt("B071","SEEN", 0); | |
566 | gMC->Gsatt("B074","SEEN", 0); | |
567 | gMC->Gsatt("B075","SEEN", 0); | |
568 | gMC->Gsatt("B077","SEEN", 0); | |
569 | gMC->Gsatt("BTR1","SEEN", 0); | |
570 | gMC->Gsatt("BTR2","SEEN", 0); | |
571 | gMC->Gsatt("BTR3","SEEN", 0); | |
332e9569 | 572 | gMC->Gsatt("UTR1","SEEN", 0); |
5c7f4665 | 573 | } |
82bbf98a | 574 | |
575 | gMC->Gdopt("hide", "on"); | |
576 | gMC->Gdopt("shad", "on"); | |
577 | gMC->Gsatt("*", "fill", 7); | |
578 | gMC->SetClipBox("."); | |
579 | gMC->SetClipBox("*", 0, 2000, -2000, 2000, -2000, 2000); | |
580 | gMC->DefaultRange(); | |
581 | gMC->Gdraw("alic", 40, 30, 0, 12, 9.4, .021, .021); | |
582 | gMC->Gdhead(1111, "Transition Radiation Detector"); | |
583 | gMC->Gdman(18, 4, "MAN"); | |
584 | ||
585 | } | |
fe4da5cc | 586 | |
587 | //_____________________________________________________________________________ | |
588 | void AliTRD::Init() | |
589 | { | |
590 | // | |
851d3db9 | 591 | // Initialize the TRD detector after the geometry has been created |
fe4da5cc | 592 | // |
82bbf98a | 593 | |
45160b1f | 594 | AliDebug(1,"++++++++++++++++++++++++++++++++++++++++++++++"); |
5c7f4665 | 595 | |
bd0f8685 | 596 | if (fGeometry->IsVersion() != 1) { |
45160b1f | 597 | AliError("Not a valid geometry"); |
d37eec5e | 598 | } |
5f06bf41 | 599 | |
7235aed2 | 600 | // Special tracking options for charged particles for XeCO2 |
5f06bf41 | 601 | gMC->Gstpar((* fIdtmed)[9],"DRAY" , 1.0); |
602 | gMC->Gstpar((* fIdtmed)[9],"STRA" , 1.0); | |
603 | gMC->Gstpar((* fIdtmed)[9],"LOSS" ,13.0); // Specific energy loss | |
604 | gMC->Gstpar((* fIdtmed)[9],"PRIMIO_E",23.53); // 1st ionisation potential | |
605 | gMC->Gstpar((* fIdtmed)[9],"PRIMIO_N",19.344431); // Number of primaries | |
606 | ||
5c7f4665 | 607 | } |
608 | ||
6244debe | 609 | //_____________________________________________________________________________ |
610 | void AliTRD::ResetDigits() | |
611 | { | |
612 | // | |
abaf1f1d | 613 | // Reset number of digits and the digits array for this detector |
6244debe | 614 | // |
615 | ||
abaf1f1d | 616 | fNdigits = 0; |
030b4415 | 617 | |
618 | if (fDigits) { | |
619 | fDigits->Clear(); | |
620 | } | |
6244debe | 621 | |
622 | } | |
623 | ||
5c7f4665 | 624 | //_____________________________________________________________________________ |
625 | void AliTRD::SetTreeAddress() | |
626 | { | |
627 | // | |
628 | // Set the branch addresses for the trees. | |
629 | // | |
630 | ||
030b4415 | 631 | if (fLoader->TreeH() && |
632 | (fHits == 0x0)) { | |
a328fff9 | 633 | fHits = new TClonesArray("AliTRDhit",405); |
332e9569 | 634 | } |
a328fff9 | 635 | AliDetector::SetTreeAddress(); |
332e9569 | 636 | |
fe4da5cc | 637 | } |
638 | ||
68119ad1 | 639 | //_____________________________________________________________________________ |
640 | Bool_t AliTRD::Raw2SDigits(AliRawReader *rawReader) | |
641 | { | |
642 | // | |
643 | // Converts RAW data to SDigits | |
644 | // | |
645 | ||
646 | AliLoader *loader = fRunLoader->GetLoader("TRDLoader"); | |
647 | if (!loader) { | |
648 | AliError("Can not get TRD loader from Run Loader"); | |
649 | return kFALSE; | |
650 | } | |
651 | ||
652 | TTree *tree = 0; | |
653 | tree = loader->TreeS(); | |
654 | if (!tree) { | |
655 | loader->MakeTree("S"); | |
656 | tree = loader->TreeS(); | |
657 | } | |
658 | ||
659 | AliTRDrawData *rawdata = new AliTRDrawData(); | |
660 | AliTRDdigitsManager *sdigitsManager = rawdata->Raw2Digits(rawReader); | |
661 | if (sdigitsManager) { | |
662 | sdigitsManager->SetSDigits(kTRUE); | |
663 | sdigitsManager->MakeBranch(tree); | |
664 | sdigitsManager->WriteDigits(); | |
665 | return kTRUE; | |
666 | } | |
667 | else { | |
668 | return kFALSE; | |
669 | } | |
670 | ||
671 | } | |
672 | ||
9c7c9ec1 | 673 | //_____________________________________________________________________________ |
674 | AliLoader* AliTRD::MakeLoader(const char* topfoldername) | |
675 | { | |
676 | fLoader = new AliLoader(GetName(),topfoldername); | |
677 | ||
678 | AliInfo("Adding Tracklets-loader"); | |
679 | AliDataLoader *dl = new AliDataLoader("TRD.Tracklets.root","tracklets", "tracklets"); | |
680 | fLoader->AddDataLoader(dl); | |
681 | ||
682 | return fLoader; | |
683 | } | |
684 | ||
dd9a6ee3 | 685 | //_____________________________________________________________________________ |
686 | AliTRD &AliTRD::operator=(const AliTRD &trd) | |
687 | { | |
688 | // | |
689 | // Assignment operator | |
690 | // | |
691 | ||
0c5a8090 | 692 | if (this != &trd) { |
693 | ((AliTRD &) trd).Copy(*this); | |
694 | } | |
030b4415 | 695 | |
dd9a6ee3 | 696 | return *this; |
697 | ||
68119ad1 | 698 | } |