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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 | ||
f7a1cc68 | 26 | #include <TGeoGlobalMagField.h> |
88cb7938 | 27 | #include <TVirtualMC.h> |
32b13758 | 28 | #include <TGeoManager.h> |
88cb7938 | 29 | |
45160b1f | 30 | #include "AliMC.h" |
793ff80c | 31 | #include "AliMagF.h" |
88cb7938 | 32 | #include "AliRun.h" |
030b4415 | 33 | |
793ff80c | 34 | #include "AliTRD.h" |
851d3db9 | 35 | #include "AliTRDdigitizer.h" |
88cb7938 | 36 | #include "AliTRDdigitsManager.h" |
bd0f8685 | 37 | #include "AliTRDgeometry.h" |
88cb7938 | 38 | #include "AliTRDhit.h" |
b864d801 | 39 | #include "AliTRDrawData.h" |
a076fc2f | 40 | #include "AliTRDCommonParam.h" |
3551db50 | 41 | |
fe4da5cc | 42 | ClassImp(AliTRD) |
43 | ||
44 | //_____________________________________________________________________________ | |
45 | AliTRD::AliTRD() | |
030b4415 | 46 | :AliDetector() |
47 | ,fGeometry(0) | |
48 | ,fGasDensity(0) | |
49 | ,fFoilDensity(0) | |
f2979d08 | 50 | ,fGasNobleFraction(0) |
fe4da5cc | 51 | { |
52 | // | |
53 | // Default constructor | |
54 | // | |
332e9569 | 55 | |
fe4da5cc | 56 | } |
57 | ||
58 | //_____________________________________________________________________________ | |
59 | AliTRD::AliTRD(const char *name, const char *title) | |
030b4415 | 60 | :AliDetector(name,title) |
61 | ,fGeometry(0) | |
62 | ,fGasDensity(0) | |
63 | ,fFoilDensity(0) | |
457b47bb | 64 | ,fGasNobleFraction(0) |
fe4da5cc | 65 | { |
66 | // | |
67 | // Standard constructor for the TRD | |
68 | // | |
69 | ||
030b4415 | 70 | // Check that FRAME is there otherwise we have no place where to put TRD |
71 | AliModule *frame = gAlice->GetModule("FRAME"); | |
8230f242 | 72 | if (!frame) { |
030b4415 | 73 | AliError("TRD needs FRAME to be present\n"); |
5c7f4665 | 74 | exit(1); |
75 | } | |
76 | ||
d37eec5e | 77 | // Define the TRD geometry |
78 | if ((frame->IsVersion() == 0) || | |
79 | (frame->IsVersion() == 1)) { | |
bd0f8685 | 80 | fGeometry = new AliTRDgeometry(); |
851d3db9 | 81 | } |
82 | else { | |
030b4415 | 83 | AliError("Could not find valid FRAME version\n"); |
851d3db9 | 84 | exit(1); |
85 | } | |
5c7f4665 | 86 | |
fe4da5cc | 87 | // Allocate the hit array |
030b4415 | 88 | fHits = new TClonesArray("AliTRDhit",405); |
5d12ce38 | 89 | gAlice->GetMCApp()->AddHitList(fHits); |
e306b465 | 90 | |
8230f242 | 91 | } |
92 | ||
99d5402e | 93 | //_____________________________________________________________________________ |
94 | AliTRD::~AliTRD() | |
95 | { | |
96 | // | |
97 | // TRD destructor | |
98 | // | |
e306b465 | 99 | |
abaf1f1d | 100 | if (fGeometry) { |
101 | delete fGeometry; | |
030b4415 | 102 | fGeometry = 0; |
abaf1f1d | 103 | } |
030b4415 | 104 | |
abaf1f1d | 105 | if (fHits) { |
106 | delete fHits; | |
030b4415 | 107 | fHits = 0; |
abaf1f1d | 108 | } |
bd0f8685 | 109 | |
5c7f4665 | 110 | } |
111 | ||
6244debe | 112 | //_____________________________________________________________________________ |
113 | void AliTRD::Hits2Digits() | |
2ab0c725 | 114 | { |
115 | // | |
116 | // Create digits | |
117 | // | |
bd0f8685 | 118 | |
be385a87 | 119 | AliTRDdigitizer digitizer("TRDdigitizer","TRD digitizer class"); |
45160b1f | 120 | AliLog::SetClassDebugLevel("TRDdigitizer",AliDebugLevel()); |
9a96f175 | 121 | |
6244debe | 122 | // Initialization |
be385a87 | 123 | digitizer.InitDetector(); |
e306b465 | 124 | |
030b4415 | 125 | if (!fLoader->TreeH()) { |
126 | fLoader->LoadHits("read"); | |
127 | } | |
85a5290f | 128 | fLoader->LoadDigits("recreate"); |
95867fd1 | 129 | |
030b4415 | 130 | AliRunLoader *runLoader = fLoader->GetRunLoader(); |
6244debe | 131 | |
85a5290f | 132 | for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) { |
95867fd1 | 133 | runLoader->GetEvent(iEvent); |
134 | digitizer.Open(runLoader,iEvent); | |
be385a87 | 135 | digitizer.MakeDigits(); |
136 | digitizer.WriteDigits(); | |
6244debe | 137 | } |
138 | ||
85a5290f | 139 | fLoader->UnloadHits(); |
140 | fLoader->UnloadDigits(); | |
a328fff9 | 141 | |
6244debe | 142 | } |
143 | ||
144 | //_____________________________________________________________________________ | |
145 | void AliTRD::Hits2SDigits() | |
146 | { | |
147 | // | |
148 | // Create summable digits | |
149 | // | |
a328fff9 | 150 | |
be385a87 | 151 | AliTRDdigitizer digitizer("TRDdigitizer","TRD digitizer class"); |
6244debe | 152 | // For the summable digits |
be385a87 | 153 | digitizer.SetSDigits(kTRUE); |
45160b1f | 154 | AliLog::SetClassDebugLevel("TRDdigitizer",AliDebugLevel()); |
6244debe | 155 | |
156 | // Initialization | |
be385a87 | 157 | digitizer.InitDetector(); |
e306b465 | 158 | |
030b4415 | 159 | if (!fLoader->TreeH()) { |
160 | fLoader->LoadHits("read"); | |
161 | } | |
85a5290f | 162 | fLoader->LoadSDigits("recreate"); |
95867fd1 | 163 | |
164 | AliRunLoader *runLoader = fLoader->GetRunLoader(); | |
6244debe | 165 | |
85a5290f | 166 | for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) { |
95867fd1 | 167 | runLoader->GetEvent(iEvent); |
168 | digitizer.Open(runLoader,iEvent); | |
be385a87 | 169 | digitizer.MakeDigits(); |
170 | digitizer.WriteDigits(); | |
85a5290f | 171 | } |
2ab0c725 | 172 | |
85a5290f | 173 | fLoader->UnloadHits(); |
174 | fLoader->UnloadSDigits(); | |
a328fff9 | 175 | |
176 | } | |
6244debe | 177 | |
85a5290f | 178 | //_____________________________________________________________________________ |
95867fd1 | 179 | AliDigitizer *AliTRD::CreateDigitizer(AliRunDigitizer *manager) const |
85a5290f | 180 | { |
a328fff9 | 181 | // |
182 | // Creates a new digitizer object | |
183 | // | |
184 | ||
85a5290f | 185 | return new AliTRDdigitizer(manager); |
a328fff9 | 186 | |
6244debe | 187 | } |
188 | ||
189 | //_____________________________________________________________________________ | |
190 | void AliTRD::SDigits2Digits() | |
191 | { | |
192 | // | |
193 | // Create final digits from summable digits | |
194 | // | |
195 | ||
bd0f8685 | 196 | // Create the TRD digitizer |
be385a87 | 197 | AliTRDdigitizer digitizer("TRDdigitizer","TRD digitizer class"); |
45160b1f | 198 | AliLog::SetClassDebugLevel("TRDdigitizer",AliDebugLevel()); |
99d5402e | 199 | |
abaf1f1d | 200 | // Set the parameter |
be385a87 | 201 | digitizer.SetEvent(gAlice->GetEvNumber()); |
abaf1f1d | 202 | |
203 | // Initialization | |
be385a87 | 204 | digitizer.InitDetector(); |
abaf1f1d | 205 | |
206 | // Read the s-digits via digits manager | |
be385a87 | 207 | AliTRDdigitsManager sdigitsManager; |
88cb7938 | 208 | |
45160b1f | 209 | AliLog::SetClassDebugLevel("TRDdigitisManager",AliDebugLevel()); |
be385a87 | 210 | sdigitsManager.SetSDigits(kTRUE); |
211 | sdigitsManager.CreateArrays(); | |
88cb7938 | 212 | |
030b4415 | 213 | if (!fLoader->TreeS()) { |
214 | if (fLoader->LoadSDigits("read")) { | |
215 | return; | |
216 | } | |
217 | } | |
218 | if (!fLoader->TreeS()) { | |
219 | AliError(Form("Error while reading SDigits for event %d",gAlice->GetEvNumber())); | |
220 | return; | |
221 | } | |
88cb7938 | 222 | |
be385a87 | 223 | sdigitsManager.ReadDigits(fLoader->TreeS()); |
abaf1f1d | 224 | |
225 | // Add the s-digits to the input list | |
be385a87 | 226 | digitizer.AddSDigitsManager(&sdigitsManager); |
99d5402e | 227 | |
abaf1f1d | 228 | // Convert the s-digits to normal digits |
be385a87 | 229 | digitizer.SDigits2Digits(); |
abaf1f1d | 230 | |
231 | // Store the digits | |
030b4415 | 232 | if (!fLoader->TreeD()) { |
233 | fLoader->MakeTree("D"); | |
234 | } | |
be385a87 | 235 | if (digitizer.MakeBranch(fLoader->TreeD())){ |
236 | digitizer.WriteDigits(); | |
abaf1f1d | 237 | } |
99d5402e | 238 | |
239 | } | |
240 | ||
b864d801 | 241 | //_____________________________________________________________________________ |
242 | void AliTRD::Digits2Raw() | |
243 | { | |
244 | // | |
030b4415 | 245 | // Convert digits of the current event to raw data |
b864d801 | 246 | // |
247 | ||
248 | fLoader->LoadDigits(); | |
030b4415 | 249 | TTree *digits = fLoader->TreeD(); |
b864d801 | 250 | if (!digits) { |
030b4415 | 251 | AliError("No digits tree"); |
b864d801 | 252 | return; |
253 | } | |
254 | ||
255 | AliTRDrawData rawWriter; | |
b864d801 | 256 | if (!rawWriter.Digits2Raw(digits)) { |
030b4415 | 257 | AliError("The raw writer could not load the digits tree"); |
b864d801 | 258 | } |
259 | ||
260 | fLoader->UnloadDigits(); | |
261 | ||
262 | } | |
263 | ||
fe4da5cc | 264 | //_____________________________________________________________________________ |
332e9569 | 265 | void AliTRD::AddHit(Int_t track, Int_t det, Float_t *hits, Int_t q |
2fa01832 | 266 | , Float_t time, Bool_t inDrift) |
fe4da5cc | 267 | { |
268 | // | |
269 | // Add a hit for the TRD | |
332e9569 | 270 | // |
82bbf98a | 271 | |
a328fff9 | 272 | TClonesArray &lhits = *fHits; |
2fa01832 | 273 | AliTRDhit *hit = new(lhits[fNhits++]) AliTRDhit(fIshunt |
274 | ,track | |
275 | ,det | |
276 | ,hits | |
277 | ,q | |
278 | ,time); | |
279 | ||
a328fff9 | 280 | if (inDrift) { |
281 | hit->SetDrift(); | |
332e9569 | 282 | } |
a328fff9 | 283 | else { |
284 | hit->SetAmplification(); | |
285 | } | |
030b4415 | 286 | |
a328fff9 | 287 | if (q < 0) { |
288 | hit->SetTRphoton(); | |
332e9569 | 289 | } |
82bbf98a | 290 | |
fe4da5cc | 291 | } |
fe4da5cc | 292 | |
293 | //_____________________________________________________________________________ | |
82bbf98a | 294 | void AliTRD::CreateGeometry() |
fe4da5cc | 295 | { |
82bbf98a | 296 | // |
297 | // Creates the volumes for the TRD chambers | |
298 | // | |
82bbf98a | 299 | |
300 | // Check that FRAME is there otherwise we have no place where to put the TRD | |
030b4415 | 301 | AliModule *frame = gAlice->GetModule("FRAME"); |
8230f242 | 302 | if (!frame) { |
45160b1f | 303 | AliFatal("The TRD needs the FRAME to be defined first"); |
82bbf98a | 304 | } |
d3f347ff | 305 | |
851d3db9 | 306 | fGeometry->CreateGeometry(fIdtmed->GetArray() - 1299); |
5c7f4665 | 307 | |
82bbf98a | 308 | } |
2d0eca96 | 309 | |
82bbf98a | 310 | //_____________________________________________________________________________ |
311 | void AliTRD::CreateMaterials() | |
312 | { | |
fe4da5cc | 313 | // |
314 | // Create the materials for the TRD | |
fe4da5cc | 315 | // |
316 | ||
32b13758 | 317 | Int_t isxfld = ((AliMagF *) TGeoGlobalMagField::Instance()->GetField())->Integ(); |
318 | Float_t sxmgmx = ((AliMagF *) TGeoGlobalMagField::Instance()->GetField())->Max(); | |
fe4da5cc | 319 | |
32b13758 | 320 | ////////////////////////////////////////////////////////////////////////// |
321 | // Define Materials | |
322 | ////////////////////////////////////////////////////////////////////////// | |
0c5a8090 | 323 | |
32b13758 | 324 | // Aluminum |
325 | AliMaterial( 1,"Al", 26.98, 13.0, 2.7, 8.9, 37.2); | |
326 | // Copper | |
327 | AliMaterial( 2,"Cu", 63.54, 29.0, 8.96, 1.43, 14.8); | |
328 | // Carbon | |
329 | AliMaterial( 3,"C" , 12.01, 6.0, 2.265, 18.8, 74.4); | |
330 | // Carbon for fiber mats | |
331 | AliMaterial( 4,"C2", 12.01, 6.0, 1.75, 18.8, 74.4); | |
332 | // Zinc | |
333 | AliMaterial( 5,"Sn", 118.71, 50.0, 7.31, 1.21, 14.8); | |
334 | // Silicon | |
335 | AliMaterial( 6,"Si", 28.09, 14.0, 2.33, 9.36, 37.2); | |
336 | // Iron | |
337 | AliMaterial( 7,"Fe", 55.85, 26.0, 7.87, 1.76, 14.8); | |
338 | ||
339 | // Air | |
3dac2b2d | 340 | Float_t aAir[4] = { 12.011 , 14.0 , 15.9994 , 36.0 }; |
341 | Float_t zAir[4] = { 6.0 , 7.0 , 8.0 , 18.0 }; | |
342 | Float_t wAir[4] = { 0.000124, 0.755267, 0.231781, 0.012827 }; | |
0c5a8090 | 343 | Float_t dAir = 1.20479e-03; |
32b13758 | 344 | AliMixture(51,"Air", aAir, zAir, dAir, 4, wAir ); |
345 | // Polyethilene (CH2) | |
346 | Float_t ape[2] = { 12.011 , 1.0079 }; | |
347 | Float_t zpe[2] = { 6.0 , 1.0 }; | |
348 | Float_t wpe[2] = { 1.0 , 2.0 }; | |
349 | Float_t dpe = 0.95; | |
350 | AliMixture(52,"Polyethilene", ape, zpe, dpe, -2, wpe ); | |
351 | // Gas mixtures | |
352 | // Xe/CO2-gas-mixture (85% / 15%) | |
3dac2b2d | 353 | Float_t aXeCO2[3] = { 131.29 , 12.0107 , 15.9994 }; |
354 | Float_t zXeCO2[3] = { 54.0 , 6.0 , 8.0 }; | |
330bfc2f | 355 | Float_t wXeCO2[3] = { 8.5 , 1.5 , 3.0 }; |
3dac2b2d | 356 | Float_t fxc = 0.85; |
f2979d08 | 357 | Float_t dxe = 0.00549; // at 20C |
32b13758 | 358 | Float_t dco = 0.00186; // at 20C |
f2979d08 | 359 | Float_t dgmXe = fxc * dxe + (1.0 - fxc) * dco; |
32b13758 | 360 | // Ar/CO2-gas-mixture |
f2979d08 | 361 | Float_t aArCO2[3] = { 39.948 , 12.0107 , 15.9994 }; |
362 | Float_t zArCO2[3] = { 18.0 , 6.0 , 8.0 }; | |
363 | Float_t wArCO2[3] = { 8.2 , 1.8 , 3.6 }; | |
f2979d08 | 364 | Float_t fac = 0.82; |
365 | Float_t dar = 0.00166; // at 20C | |
366 | Float_t dgmAr = fac * dar + (1.0 - fac) * dco; | |
a076fc2f | 367 | if (AliTRDCommonParam::Instance()->IsXenon()) { |
32b13758 | 368 | AliMixture(53,"XeCO2", aXeCO2, zXeCO2, dgmXe, -3, wXeCO2); |
f2979d08 | 369 | } |
a076fc2f | 370 | else if (AliTRDCommonParam::Instance()->IsArgon()) { |
f2979d08 | 371 | AliInfo("Gas mixture: Ar C02 (80/20)"); |
32b13758 | 372 | AliMixture(53,"ArCO2", aArCO2, zArCO2, dgmAr, -3, wArCO2); |
f2979d08 | 373 | } |
374 | else { | |
375 | AliFatal("Wrong gas mixture"); | |
376 | exit(1); | |
377 | } | |
32b13758 | 378 | // G10 |
379 | Float_t aG10[4] = { 1.0079, 12.011 , 15.9994, 28.086 }; | |
380 | Float_t zG10[4] = { 1.0 , 6.0 , 8.0 , 14.0 }; | |
381 | Float_t wG10[4] = { 0.023 , 0.194 , 0.443 , 0.340 }; | |
382 | Float_t dG10 = 2.0; | |
383 | AliMixture(54,"G10", aG10, zG10, dG10, 4,wG10 ); | |
384 | // Water | |
385 | Float_t awa[2] = { 1.0079, 15.9994 }; | |
386 | Float_t zwa[2] = { 1.0 , 8.0 }; | |
387 | Float_t wwa[2] = { 2.0 , 1.0 }; | |
388 | Float_t dwa = 1.0; | |
389 | AliMixture(55,"Water", awa, zwa, dwa, -2,wwa ); | |
390 | // Rohacell (C5H8O2), X0 = 535.005cm | |
391 | Float_t arh[3] = { 12.011 , 1.0079, 15.9994 }; | |
392 | Float_t zrh[3] = { 6.0 , 1.0 , 8.0 }; | |
393 | Float_t wrh[3] = { 5.0 , 8.0 , 2.0 }; | |
394 | Float_t drh = 0.075; | |
395 | AliMixture(56,"Rohacell", arh, zrh, drh, -3,wrh ); | |
396 | // Epoxy (C18H19O3) | |
397 | Float_t aEpoxy[3] = { 15.9994, 1.0079, 12.011 }; | |
398 | Float_t zEpoxy[3] = { 8.0 , 1.0 , 6.0 }; | |
399 | Float_t wEpoxy[3] = { 3.0 , 19.0 , 18.0 }; | |
400 | Float_t dEpoxy = 1.8 ; | |
401 | AliMixture(57,"Epoxy", aEpoxy,zEpoxy,dEpoxy,-3,wEpoxy); | |
402 | // Araldite, low density epoxy (C18H19O3) | |
403 | Float_t aAral[3] = { 15.9994, 1.0079, 12.011 }; | |
404 | Float_t zAral[3] = { 8.0 , 1.0 , 6.0 }; | |
405 | Float_t wAral[3] = { 3.0 , 19.0 , 18.0 }; | |
406 | Float_t dAral = 1.12; // Hardener: 1.15, epoxy: 1.1, mixture: 1/2 | |
407 | AliMixture(58,"Araldite", aAral, zAral, dAral, -3,wAral ); | |
408 | // Mylar | |
409 | Float_t aMy[3] = { 12.011 , 1.0 , 15.9994 }; | |
410 | Float_t zMy[3] = { 6.0 , 1.0 , 8.0 }; | |
411 | Float_t wMy[3] = { 5.0 , 4.0 , 2.0 }; | |
412 | Float_t dMy = 1.39; | |
413 | AliMixture(59,"Mylar", aMy, zMy, dMy, -3,wMy ); | |
414 | // Polypropylene (C3H6) for radiator fibers | |
415 | Float_t app[2] = { 12.011 , 1.0079 }; | |
416 | Float_t zpp[2] = { 6.0 , 1.0 }; | |
417 | Float_t wpp[2] = { 3.0 , 6.0 }; | |
418 | Float_t dpp = 0.068; | |
419 | AliMixture(60,"Polypropylene",app, zpp, dpp, -2,wpp ); | |
420 | // Aramide for honeycomb | |
421 | Float_t aAra[4] = { 1.0079, 12.011 , 15.9994, 14.0067 }; | |
422 | Float_t zAra[4] = { 1.0 , 6.0 , 8.0 , 7.0 }; | |
423 | Float_t wAra[4] = { 3.0 , 1.0 , 1.0 , 1.0 }; | |
424 | Float_t dAra = 0.032; | |
425 | AliMixture(61,"Aramide", aAra, zAra, dAra, -4,wAra ); | |
426 | // GFK for Wacosit (Epoxy + Si) | |
427 | Float_t aGFK[4] = { 1.0079, 12.011 , 15.9994, 28.086 }; | |
428 | Float_t zGFK[4] = { 1.0 , 6.0 , 8.0 , 14.0 }; | |
429 | Float_t wGFK[4] = { 0.0445, 0.5031, 0.1118, 0.340 }; | |
430 | Float_t dGFK = 2.0; | |
431 | AliMixture(62,"GFK", aGFK, zGFK, dGFK, 4,wGFK ); | |
3dac2b2d | 432 | |
d3f347ff | 433 | ////////////////////////////////////////////////////////////////////////// |
fe4da5cc | 434 | // Tracking Media Parameters |
d3f347ff | 435 | ////////////////////////////////////////////////////////////////////////// |
436 | ||
32b13758 | 437 | // General tracking parameter |
438 | Float_t tmaxfd = -10.0; | |
439 | Float_t stemax = -1.0e10; | |
440 | Float_t deemax = -0.1; | |
441 | Float_t epsil = 1.0e-4; | |
442 | Float_t stmin = -0.001; | |
443 | ||
d3f347ff | 444 | // Al Frame |
0c5a8090 | 445 | AliMedium( 1,"Al Frame" , 1,0,isxfld,sxmgmx |
446 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 447 | // Air |
32b13758 | 448 | AliMedium( 2,"Air" ,51,0,isxfld,sxmgmx |
0c5a8090 | 449 | ,tmaxfd,stemax,deemax,epsil,stmin); |
450 | // Wires | |
32b13758 | 451 | AliMedium( 3,"Wires" , 2,0,isxfld,sxmgmx |
0c5a8090 | 452 | ,tmaxfd,stemax,deemax,epsil,stmin); |
453 | // All other ROB materials (caps, etc.) | |
32b13758 | 454 | AliMedium( 4,"ROB Other" , 2,0,isxfld,sxmgmx |
0c5a8090 | 455 | ,tmaxfd,stemax,deemax,epsil,stmin); |
d3f347ff | 456 | // Cu pads |
32b13758 | 457 | AliMedium( 5,"Padplane" , 2,1,isxfld,sxmgmx |
0c5a8090 | 458 | ,tmaxfd,stemax,deemax,epsil,stmin); |
d3f347ff | 459 | // Fee + cables |
32b13758 | 460 | AliMedium( 6,"Readout" , 2,0,isxfld,sxmgmx |
0c5a8090 | 461 | ,tmaxfd,stemax,deemax,epsil,stmin); |
32b13758 | 462 | // C frame (Wacosit) |
463 | AliMedium( 7,"Wacosit" ,62,0,isxfld,sxmgmx | |
464 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
0c5a8090 | 465 | // INOX of cooling bus bars |
32b13758 | 466 | AliMedium( 8,"Cooling bus", 7,0,isxfld,sxmgmx |
0c5a8090 | 467 | ,tmaxfd,stemax,deemax,epsil,stmin); |
3dac2b2d | 468 | // Gas-mixture (Xe/CO2) |
32b13758 | 469 | AliMedium( 9,"Gas-mix" ,53,1,isxfld,sxmgmx |
0c5a8090 | 470 | ,tmaxfd,stemax,deemax,epsil,stmin); |
32b13758 | 471 | // Honeycomb |
472 | AliMedium(10,"Honeycomb" ,61,0,isxfld,sxmgmx | |
0c5a8090 | 473 | ,tmaxfd,stemax,deemax,epsil,stmin); |
474 | // Araldite glue | |
32b13758 | 475 | AliMedium(11,"Glue" ,58,0,isxfld,sxmgmx |
0c5a8090 | 476 | ,tmaxfd,stemax,deemax,epsil,stmin); |
d3f347ff | 477 | // G10-plates |
32b13758 | 478 | AliMedium(13,"G10-plates" ,54,0,isxfld,sxmgmx |
0c5a8090 | 479 | ,tmaxfd,stemax,deemax,epsil,stmin); |
d3f347ff | 480 | // Cooling water |
32b13758 | 481 | AliMedium(14,"Water" ,55,0,isxfld,sxmgmx |
0c5a8090 | 482 | ,tmaxfd,stemax,deemax,epsil,stmin); |
32b13758 | 483 | // Rohacell for the radiator |
484 | AliMedium(15,"Rohacell" ,56,0,isxfld,sxmgmx | |
0c5a8090 | 485 | ,tmaxfd,stemax,deemax,epsil,stmin); |
16bf9884 | 486 | // Al layer in MCMs |
0c5a8090 | 487 | AliMedium(16,"MCM-Al" , 1,0,isxfld,sxmgmx |
488 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 489 | // Sn layer in MCMs |
32b13758 | 490 | AliMedium(17,"MCM-Sn" , 5,0,isxfld,sxmgmx |
0c5a8090 | 491 | ,tmaxfd,stemax,deemax,epsil,stmin); |
16bf9884 | 492 | // Cu layer in MCMs |
32b13758 | 493 | AliMedium(18,"MCM-Cu" , 2,0,isxfld,sxmgmx |
0c5a8090 | 494 | ,tmaxfd,stemax,deemax,epsil,stmin); |
16bf9884 | 495 | // G10 layer in MCMs |
32b13758 | 496 | AliMedium(19,"MCM-G10" ,54,0,isxfld,sxmgmx |
0c5a8090 | 497 | ,tmaxfd,stemax,deemax,epsil,stmin); |
16bf9884 | 498 | // Si in readout chips |
32b13758 | 499 | AliMedium(20,"Chip-Si" , 6,0,isxfld,sxmgmx |
0c5a8090 | 500 | ,tmaxfd,stemax,deemax,epsil,stmin); |
16bf9884 | 501 | // Epoxy in readout chips |
32b13758 | 502 | AliMedium(21,"Chip-Ep" ,57,0,isxfld,sxmgmx |
0c5a8090 | 503 | ,tmaxfd,stemax,deemax,epsil,stmin); |
16bf9884 | 504 | // PE in connectors |
32b13758 | 505 | AliMedium(22,"Conn-PE" ,52,0,isxfld,sxmgmx |
0c5a8090 | 506 | ,tmaxfd,stemax,deemax,epsil,stmin); |
16bf9884 | 507 | // Cu in connectors |
32b13758 | 508 | AliMedium(23,"Chip-Cu" , 2,0,isxfld,sxmgmx |
0c5a8090 | 509 | ,tmaxfd,stemax,deemax,epsil,stmin); |
16bf9884 | 510 | // Al of cooling pipes |
0c5a8090 | 511 | AliMedium(24,"Cooling" , 1,0,isxfld,sxmgmx |
512 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
73ae7b59 | 513 | // Cu in services |
32b13758 | 514 | AliMedium(25,"Serv-Cu" , 2,0,isxfld,sxmgmx |
515 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
516 | // Carbon fiber mat | |
517 | AliMedium(26,"Carbon" , 4,0,isxfld,sxmgmx | |
518 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
519 | // Mylar foil | |
520 | AliMedium(27,"Mylar" ,59,0,isxfld,sxmgmx | |
521 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
522 | // Polypropylene fibers | |
523 | AliMedium(28,"Fiber" ,60,0,isxfld,sxmgmx | |
0c5a8090 | 524 | ,tmaxfd,stemax,deemax,epsil,stmin); |
d3f347ff | 525 | |
793ff80c | 526 | // Save the density values for the TRD absorbtion |
0c5a8090 | 527 | Float_t dmy = 1.39; |
793ff80c | 528 | fFoilDensity = dmy; |
a076fc2f | 529 | if (AliTRDCommonParam::Instance()->IsXenon()) { |
f2979d08 | 530 | fGasDensity = dgmXe; |
531 | fGasNobleFraction = fxc; | |
532 | } | |
a076fc2f | 533 | else if (AliTRDCommonParam::Instance()->IsArgon()) { |
f2979d08 | 534 | fGasDensity = dgmAr; |
535 | fGasNobleFraction = fac; | |
536 | } | |
793ff80c | 537 | |
fe4da5cc | 538 | } |
fe4da5cc | 539 | |
540 | //_____________________________________________________________________________ | |
541 | void AliTRD::Init() | |
542 | { | |
543 | // | |
851d3db9 | 544 | // Initialize the TRD detector after the geometry has been created |
fe4da5cc | 545 | // |
82bbf98a | 546 | |
45160b1f | 547 | AliDebug(1,"++++++++++++++++++++++++++++++++++++++++++++++"); |
5c7f4665 | 548 | |
bd0f8685 | 549 | if (fGeometry->IsVersion() != 1) { |
45160b1f | 550 | AliError("Not a valid geometry"); |
d37eec5e | 551 | } |
5f06bf41 | 552 | |
7235aed2 | 553 | // Special tracking options for charged particles for XeCO2 |
5f06bf41 | 554 | gMC->Gstpar((* fIdtmed)[9],"DRAY" , 1.0); |
555 | gMC->Gstpar((* fIdtmed)[9],"STRA" , 1.0); | |
556 | gMC->Gstpar((* fIdtmed)[9],"LOSS" ,13.0); // Specific energy loss | |
e8ec3430 | 557 | // Parameters specific to Fluka |
558 | //gMC->Gstpar((* fIdtmed)[9],"PRIMIO_E",23.53); // 1st ionisation potential | |
559 | //gMC->Gstpar((* fIdtmed)[9],"PRIMIO_N",19.344431); // Number of primaries | |
5f06bf41 | 560 | |
5c7f4665 | 561 | } |
562 | ||
6244debe | 563 | //_____________________________________________________________________________ |
564 | void AliTRD::ResetDigits() | |
565 | { | |
566 | // | |
abaf1f1d | 567 | // Reset number of digits and the digits array for this detector |
6244debe | 568 | // |
569 | ||
abaf1f1d | 570 | fNdigits = 0; |
030b4415 | 571 | |
572 | if (fDigits) { | |
573 | fDigits->Clear(); | |
574 | } | |
6244debe | 575 | |
576 | } | |
577 | ||
5c7f4665 | 578 | //_____________________________________________________________________________ |
579 | void AliTRD::SetTreeAddress() | |
580 | { | |
581 | // | |
582 | // Set the branch addresses for the trees. | |
583 | // | |
584 | ||
030b4415 | 585 | if (fLoader->TreeH() && |
586 | (fHits == 0x0)) { | |
a328fff9 | 587 | fHits = new TClonesArray("AliTRDhit",405); |
332e9569 | 588 | } |
a328fff9 | 589 | AliDetector::SetTreeAddress(); |
332e9569 | 590 | |
fe4da5cc | 591 | } |
592 | ||
68119ad1 | 593 | //_____________________________________________________________________________ |
594 | Bool_t AliTRD::Raw2SDigits(AliRawReader *rawReader) | |
595 | { | |
596 | // | |
597 | // Converts RAW data to SDigits | |
598 | // | |
599 | ||
600 | AliLoader *loader = fRunLoader->GetLoader("TRDLoader"); | |
601 | if (!loader) { | |
602 | AliError("Can not get TRD loader from Run Loader"); | |
603 | return kFALSE; | |
604 | } | |
605 | ||
606 | TTree *tree = 0; | |
607 | tree = loader->TreeS(); | |
608 | if (!tree) { | |
609 | loader->MakeTree("S"); | |
610 | tree = loader->TreeS(); | |
611 | } | |
612 | ||
613 | AliTRDrawData *rawdata = new AliTRDrawData(); | |
614 | AliTRDdigitsManager *sdigitsManager = rawdata->Raw2Digits(rawReader); | |
615 | if (sdigitsManager) { | |
616 | sdigitsManager->SetSDigits(kTRUE); | |
617 | sdigitsManager->MakeBranch(tree); | |
618 | sdigitsManager->WriteDigits(); | |
619 | return kTRUE; | |
620 | } | |
621 | else { | |
622 | return kFALSE; | |
623 | } | |
624 | ||
625 | } | |
626 | ||
9c7c9ec1 | 627 | //_____________________________________________________________________________ |
628 | AliLoader* AliTRD::MakeLoader(const char* topfoldername) | |
629 | { | |
630 | fLoader = new AliLoader(GetName(),topfoldername); | |
631 | ||
632 | AliInfo("Adding Tracklets-loader"); | |
633 | AliDataLoader *dl = new AliDataLoader("TRD.Tracklets.root","tracklets", "tracklets"); | |
634 | fLoader->AddDataLoader(dl); | |
c8b1590d | 635 | dl = new AliDataLoader("TRD.GtuTracks.root", "gtutracks", "gtutracks"); |
636 | fLoader->AddDataLoader(dl); | |
9c7c9ec1 | 637 | return fLoader; |
638 | } | |
639 | ||
dd9a6ee3 | 640 | //_____________________________________________________________________________ |
641 | AliTRD &AliTRD::operator=(const AliTRD &trd) | |
642 | { | |
643 | // | |
644 | // Assignment operator | |
645 | // | |
646 | ||
0c5a8090 | 647 | if (this != &trd) { |
648 | ((AliTRD &) trd).Copy(*this); | |
649 | } | |
030b4415 | 650 | |
dd9a6ee3 | 651 | return *this; |
652 | ||
68119ad1 | 653 | } |