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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" |
60 | #include "AliTRDRecParam.h" | |
61 | #include "AliTRDCommonParam.h" | |
62 | #include "AliTRDcalibDB.h" | |
63 | ||
fe4da5cc | 64 | ClassImp(AliTRD) |
65 | ||
66 | //_____________________________________________________________________________ | |
67 | AliTRD::AliTRD() | |
030b4415 | 68 | :AliDetector() |
69 | ,fGeometry(0) | |
70 | ,fGasDensity(0) | |
71 | ,fFoilDensity(0) | |
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) | |
87 | ,fDrawTR(0) | |
88 | ,fDisplayType(0) | |
fe4da5cc | 89 | { |
90 | // | |
91 | // Standard constructor for the TRD | |
92 | // | |
93 | ||
030b4415 | 94 | // Check that FRAME is there otherwise we have no place where to put TRD |
95 | AliModule *frame = gAlice->GetModule("FRAME"); | |
8230f242 | 96 | if (!frame) { |
030b4415 | 97 | AliError("TRD needs FRAME to be present\n"); |
5c7f4665 | 98 | exit(1); |
99 | } | |
100 | ||
d37eec5e | 101 | // Define the TRD geometry |
102 | if ((frame->IsVersion() == 0) || | |
103 | (frame->IsVersion() == 1)) { | |
bd0f8685 | 104 | fGeometry = new AliTRDgeometry(); |
851d3db9 | 105 | } |
106 | else { | |
030b4415 | 107 | AliError("Could not find valid FRAME version\n"); |
851d3db9 | 108 | exit(1); |
109 | } | |
5c7f4665 | 110 | |
bdbb05bb | 111 | // Save the geometry |
030b4415 | 112 | TDirectory *saveDir = gDirectory; |
bdbb05bb | 113 | gAlice->GetRunLoader()->CdGAFile(); |
114 | fGeometry->Write("TRDgeometry"); | |
115 | saveDir->cd(); | |
116 | ||
fe4da5cc | 117 | // Allocate the hit array |
030b4415 | 118 | fHits = new TClonesArray("AliTRDhit",405); |
5d12ce38 | 119 | gAlice->GetMCApp()->AddHitList(fHits); |
99d5402e | 120 | |
e939a978 | 121 | //PH SetMarkerColor(kWhite); |
8230f242 | 122 | |
8230f242 | 123 | } |
124 | ||
99d5402e | 125 | //_____________________________________________________________________________ |
126 | AliTRD::~AliTRD() | |
127 | { | |
128 | // | |
129 | // TRD destructor | |
130 | // | |
131 | ||
abaf1f1d | 132 | if (fGeometry) { |
133 | delete fGeometry; | |
030b4415 | 134 | fGeometry = 0; |
abaf1f1d | 135 | } |
030b4415 | 136 | |
abaf1f1d | 137 | if (fHits) { |
138 | delete fHits; | |
030b4415 | 139 | fHits = 0; |
abaf1f1d | 140 | } |
bd0f8685 | 141 | |
5c7f4665 | 142 | } |
143 | ||
6244debe | 144 | //_____________________________________________________________________________ |
145 | void AliTRD::Hits2Digits() | |
2ab0c725 | 146 | { |
147 | // | |
148 | // Create digits | |
149 | // | |
bd0f8685 | 150 | |
be385a87 | 151 | AliTRDdigitizer digitizer("TRDdigitizer","TRD digitizer class"); |
45160b1f | 152 | AliLog::SetClassDebugLevel("TRDdigitizer",AliDebugLevel()); |
88cb7938 | 153 | |
6244debe | 154 | // Initialization |
be385a87 | 155 | digitizer.InitDetector(); |
6244debe | 156 | |
030b4415 | 157 | if (!fLoader->TreeH()) { |
158 | fLoader->LoadHits("read"); | |
159 | } | |
85a5290f | 160 | fLoader->LoadDigits("recreate"); |
95867fd1 | 161 | |
030b4415 | 162 | AliRunLoader *runLoader = fLoader->GetRunLoader(); |
6244debe | 163 | |
85a5290f | 164 | for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) { |
95867fd1 | 165 | runLoader->GetEvent(iEvent); |
166 | digitizer.Open(runLoader,iEvent); | |
be385a87 | 167 | digitizer.MakeDigits(); |
168 | digitizer.WriteDigits(); | |
6244debe | 169 | } |
170 | ||
85a5290f | 171 | fLoader->UnloadHits(); |
172 | fLoader->UnloadDigits(); | |
a328fff9 | 173 | |
6244debe | 174 | } |
175 | ||
176 | //_____________________________________________________________________________ | |
177 | void AliTRD::Hits2SDigits() | |
178 | { | |
179 | // | |
180 | // Create summable digits | |
181 | // | |
a328fff9 | 182 | |
be385a87 | 183 | AliTRDdigitizer digitizer("TRDdigitizer","TRD digitizer class"); |
6244debe | 184 | // For the summable digits |
be385a87 | 185 | digitizer.SetSDigits(kTRUE); |
45160b1f | 186 | AliLog::SetClassDebugLevel("TRDdigitizer",AliDebugLevel()); |
6244debe | 187 | |
188 | // Initialization | |
be385a87 | 189 | digitizer.InitDetector(); |
2ab0c725 | 190 | |
030b4415 | 191 | if (!fLoader->TreeH()) { |
192 | fLoader->LoadHits("read"); | |
193 | } | |
85a5290f | 194 | fLoader->LoadSDigits("recreate"); |
95867fd1 | 195 | |
196 | AliRunLoader *runLoader = fLoader->GetRunLoader(); | |
6244debe | 197 | |
85a5290f | 198 | for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) { |
95867fd1 | 199 | runLoader->GetEvent(iEvent); |
200 | digitizer.Open(runLoader,iEvent); | |
be385a87 | 201 | digitizer.MakeDigits(); |
202 | digitizer.WriteDigits(); | |
85a5290f | 203 | } |
2ab0c725 | 204 | |
85a5290f | 205 | fLoader->UnloadHits(); |
206 | fLoader->UnloadSDigits(); | |
a328fff9 | 207 | |
208 | } | |
6244debe | 209 | |
85a5290f | 210 | //_____________________________________________________________________________ |
95867fd1 | 211 | AliDigitizer *AliTRD::CreateDigitizer(AliRunDigitizer *manager) const |
85a5290f | 212 | { |
a328fff9 | 213 | // |
214 | // Creates a new digitizer object | |
215 | // | |
216 | ||
85a5290f | 217 | return new AliTRDdigitizer(manager); |
a328fff9 | 218 | |
6244debe | 219 | } |
220 | ||
221 | //_____________________________________________________________________________ | |
222 | void AliTRD::SDigits2Digits() | |
223 | { | |
224 | // | |
225 | // Create final digits from summable digits | |
226 | // | |
227 | ||
bd0f8685 | 228 | // Create the TRD digitizer |
be385a87 | 229 | AliTRDdigitizer digitizer("TRDdigitizer","TRD digitizer class"); |
45160b1f | 230 | AliLog::SetClassDebugLevel("TRDdigitizer",AliDebugLevel()); |
99d5402e | 231 | |
abaf1f1d | 232 | // Set the parameter |
be385a87 | 233 | digitizer.SetEvent(gAlice->GetEvNumber()); |
abaf1f1d | 234 | |
235 | // Initialization | |
be385a87 | 236 | digitizer.InitDetector(); |
abaf1f1d | 237 | |
238 | // Read the s-digits via digits manager | |
be385a87 | 239 | AliTRDdigitsManager sdigitsManager; |
88cb7938 | 240 | |
45160b1f | 241 | AliLog::SetClassDebugLevel("TRDdigitisManager",AliDebugLevel()); |
be385a87 | 242 | sdigitsManager.SetSDigits(kTRUE); |
243 | sdigitsManager.CreateArrays(); | |
88cb7938 | 244 | |
030b4415 | 245 | if (!fLoader->TreeS()) { |
246 | if (fLoader->LoadSDigits("read")) { | |
247 | return; | |
248 | } | |
249 | } | |
250 | if (!fLoader->TreeS()) { | |
251 | AliError(Form("Error while reading SDigits for event %d",gAlice->GetEvNumber())); | |
252 | return; | |
253 | } | |
88cb7938 | 254 | |
be385a87 | 255 | sdigitsManager.ReadDigits(fLoader->TreeS()); |
abaf1f1d | 256 | |
257 | // Add the s-digits to the input list | |
be385a87 | 258 | digitizer.AddSDigitsManager(&sdigitsManager); |
99d5402e | 259 | |
abaf1f1d | 260 | // Convert the s-digits to normal digits |
be385a87 | 261 | digitizer.SDigits2Digits(); |
abaf1f1d | 262 | |
263 | // Store the digits | |
030b4415 | 264 | if (!fLoader->TreeD()) { |
265 | fLoader->MakeTree("D"); | |
266 | } | |
be385a87 | 267 | if (digitizer.MakeBranch(fLoader->TreeD())){ |
268 | digitizer.WriteDigits(); | |
abaf1f1d | 269 | } |
99d5402e | 270 | |
271 | } | |
272 | ||
b864d801 | 273 | //_____________________________________________________________________________ |
274 | void AliTRD::Digits2Raw() | |
275 | { | |
276 | // | |
030b4415 | 277 | // Convert digits of the current event to raw data |
b864d801 | 278 | // |
279 | ||
280 | fLoader->LoadDigits(); | |
030b4415 | 281 | TTree *digits = fLoader->TreeD(); |
b864d801 | 282 | if (!digits) { |
030b4415 | 283 | AliError("No digits tree"); |
b864d801 | 284 | return; |
285 | } | |
286 | ||
287 | AliTRDrawData rawWriter; | |
b864d801 | 288 | if (!rawWriter.Digits2Raw(digits)) { |
030b4415 | 289 | AliError("The raw writer could not load the digits tree"); |
b864d801 | 290 | } |
291 | ||
292 | fLoader->UnloadDigits(); | |
293 | ||
294 | } | |
295 | ||
fe4da5cc | 296 | //_____________________________________________________________________________ |
332e9569 | 297 | void AliTRD::AddHit(Int_t track, Int_t det, Float_t *hits, Int_t q |
2fa01832 | 298 | , Float_t time, Bool_t inDrift) |
fe4da5cc | 299 | { |
300 | // | |
301 | // Add a hit for the TRD | |
332e9569 | 302 | // |
82bbf98a | 303 | |
a328fff9 | 304 | TClonesArray &lhits = *fHits; |
2fa01832 | 305 | AliTRDhit *hit = new(lhits[fNhits++]) AliTRDhit(fIshunt |
306 | ,track | |
307 | ,det | |
308 | ,hits | |
309 | ,q | |
310 | ,time); | |
311 | ||
a328fff9 | 312 | if (inDrift) { |
313 | hit->SetDrift(); | |
332e9569 | 314 | } |
a328fff9 | 315 | else { |
316 | hit->SetAmplification(); | |
317 | } | |
030b4415 | 318 | |
a328fff9 | 319 | if (q < 0) { |
320 | hit->SetTRphoton(); | |
332e9569 | 321 | } |
82bbf98a | 322 | |
fe4da5cc | 323 | } |
324 | ||
325 | //_____________________________________________________________________________ | |
326 | void AliTRD::BuildGeometry() | |
327 | { | |
328 | // | |
329 | // Create the ROOT TNode geometry for the TRD | |
330 | // | |
82bbf98a | 331 | |
0c5a8090 | 332 | TNode *node; |
333 | TNode *top; | |
fe4da5cc | 334 | TPGON *pgon; |
793ff80c | 335 | |
0c5a8090 | 336 | // The dimensions of the TRD super module |
337 | const Float_t kRmin = 291.0; | |
338 | const Float_t kRmax = 369.0; | |
339 | const Float_t kZmax1 = 378.35; | |
340 | const Float_t kZmax2 = 302.0; | |
341 | ||
030b4415 | 342 | Float_t rmin; |
343 | Float_t rmax; | |
344 | Float_t zmax1; | |
345 | Float_t zmax2; | |
db30bf0f | 346 | |
347 | Int_t iPlan; | |
793ff80c | 348 | |
fe4da5cc | 349 | const Int_t kColorTRD = 46; |
d3f347ff | 350 | |
fe4da5cc | 351 | // Find the top node alice |
8230f242 | 352 | top = gAlice->GetGeometry()->GetNode("alice"); |
d3f347ff | 353 | |
db30bf0f | 354 | if (fDisplayType == 0) { |
793ff80c | 355 | |
356 | pgon = new TPGON("S_TRD","TRD","void",0,360,AliTRDgeometry::Nsect(),4); | |
0c5a8090 | 357 | rmin = kRmin; |
358 | rmax = kRmax; | |
359 | pgon->DefineSection(0,-kZmax1,rmax,rmax); | |
360 | pgon->DefineSection(1,-kZmax2,rmin,rmax); | |
361 | pgon->DefineSection(2, kZmax2,rmin,rmax); | |
362 | pgon->DefineSection(3, kZmax1,rmax,rmax); | |
793ff80c | 363 | top->cd(); |
364 | node = new TNode("TRD","TRD","S_TRD",0,0,0,""); | |
365 | node->SetLineColor(kColorTRD); | |
366 | fNodes->Add(node); | |
367 | ||
db30bf0f | 368 | } |
369 | else if (fDisplayType == 1) { | |
793ff80c | 370 | |
f73816f5 | 371 | Char_t name[7]; |
372 | ||
0c5a8090 | 373 | Float_t slope = (kZmax1 - kZmax2) / (kRmax - kRmin); |
793ff80c | 374 | |
0c5a8090 | 375 | rmin = kRmin + AliTRDgeometry::CraHght(); |
376 | rmax = rmin + AliTRDgeometry::CdrHght(); | |
f73816f5 | 377 | |
0c5a8090 | 378 | Float_t thickness = rmin - kRmin; |
379 | zmax2 = kZmax2 + slope * thickness; | |
793ff80c | 380 | zmax1 = zmax2 + slope * AliTRDgeometry::DrThick(); |
793ff80c | 381 | |
db30bf0f | 382 | for (iPlan = 0; iPlan < AliTRDgeometry::Nplan(); iPlan++) { |
793ff80c | 383 | |
f73816f5 | 384 | sprintf(name,"S_TR1%d",iPlan); |
385 | pgon = new TPGON(name,"TRD","void",0,360,AliTRDgeometry::Nsect(),4); | |
386 | pgon->DefineSection(0,-zmax1,rmax,rmax); | |
387 | pgon->DefineSection(1,-zmax2,rmin,rmax); | |
388 | pgon->DefineSection(2, zmax2,rmin,rmax); | |
389 | pgon->DefineSection(3, zmax1,rmax,rmax); | |
390 | top->cd(); | |
391 | node = new TNode("TRD","TRD",name,0,0,0,""); | |
392 | node->SetLineColor(kColorTRD); | |
393 | fNodes->Add(node); | |
394 | ||
395 | Float_t height = AliTRDgeometry::Cheight() + AliTRDgeometry::Cspace(); | |
396 | rmin = rmin + height; | |
397 | rmax = rmax + height; | |
398 | zmax1 = zmax1 + slope * height; | |
399 | zmax2 = zmax2 + slope * height; | |
400 | ||
401 | } | |
402 | ||
403 | thickness += AliTRDgeometry::DrThick(); | |
0c5a8090 | 404 | rmin = kRmin + thickness; |
405 | rmax = rmin + AliTRDgeometry::AmThick(); | |
406 | zmax2 = kZmax2 + slope * thickness; | |
407 | zmax1 = zmax2 + slope * AliTRDgeometry::AmThick(); | |
f73816f5 | 408 | |
db30bf0f | 409 | for (iPlan = 0; iPlan < AliTRDgeometry::Nplan(); iPlan++) { |
f73816f5 | 410 | |
411 | sprintf(name,"S_TR2%d",iPlan); | |
793ff80c | 412 | pgon = new TPGON(name,"TRD","void",0,360,AliTRDgeometry::Nsect(),4); |
413 | pgon->DefineSection(0,-zmax1,rmax,rmax); | |
414 | pgon->DefineSection(1,-zmax2,rmin,rmax); | |
415 | pgon->DefineSection(2, zmax2,rmin,rmax); | |
416 | pgon->DefineSection(3, zmax1,rmax,rmax); | |
417 | top->cd(); | |
418 | node = new TNode("TRD","TRD",name,0,0,0,""); | |
419 | node->SetLineColor(kColorTRD); | |
420 | fNodes->Add(node); | |
421 | ||
422 | Float_t height = AliTRDgeometry::Cheight() + AliTRDgeometry::Cspace(); | |
423 | rmin = rmin + height; | |
424 | rmax = rmax + height; | |
425 | zmax1 = zmax1 + slope * height; | |
426 | zmax2 = zmax2 + slope * height; | |
427 | ||
428 | } | |
429 | ||
db30bf0f | 430 | } |
d3f347ff | 431 | |
fe4da5cc | 432 | } |
433 | ||
434 | //_____________________________________________________________________________ | |
82bbf98a | 435 | void AliTRD::CreateGeometry() |
fe4da5cc | 436 | { |
82bbf98a | 437 | // |
438 | // Creates the volumes for the TRD chambers | |
439 | // | |
82bbf98a | 440 | |
441 | // Check that FRAME is there otherwise we have no place where to put the TRD | |
030b4415 | 442 | AliModule *frame = gAlice->GetModule("FRAME"); |
8230f242 | 443 | if (!frame) { |
45160b1f | 444 | AliFatal("The TRD needs the FRAME to be defined first"); |
82bbf98a | 445 | } |
d3f347ff | 446 | |
851d3db9 | 447 | fGeometry->CreateGeometry(fIdtmed->GetArray() - 1299); |
5c7f4665 | 448 | |
82bbf98a | 449 | } |
450 | ||
451 | //_____________________________________________________________________________ | |
452 | void AliTRD::CreateMaterials() | |
453 | { | |
fe4da5cc | 454 | // |
455 | // Create the materials for the TRD | |
fe4da5cc | 456 | // |
457 | ||
8230f242 | 458 | Int_t isxfld = gAlice->Field()->Integ(); |
459 | Float_t sxmgmx = gAlice->Field()->Max(); | |
fe4da5cc | 460 | |
d3f347ff | 461 | // For polyethilene (CH2) |
030b4415 | 462 | Float_t ape[2] = { 12.011 , 1.0079 }; |
463 | Float_t zpe[2] = { 6.0 , 1.0 }; | |
464 | Float_t wpe[2] = { 1.0 , 2.0 }; | |
465 | Float_t dpe = 0.95; | |
d3f347ff | 466 | |
d3f347ff | 467 | // For CO2 |
030b4415 | 468 | Float_t aco[2] = { 12.011 , 15.9994 }; |
469 | Float_t zco[2] = { 6.0 , 8.0 }; | |
470 | Float_t wco[2] = { 1.0 , 2.0 }; | |
471 | Float_t dco = 0.00186; | |
d3f347ff | 472 | |
473 | // For water | |
030b4415 | 474 | Float_t awa[2] = { 1.0079, 15.9994 }; |
475 | Float_t zwa[2] = { 1.0 , 8.0 }; | |
476 | Float_t wwa[2] = { 2.0 , 1.0 }; | |
477 | Float_t dwa = 1.0; | |
d3f347ff | 478 | |
479 | // For isobutane (C4H10) | |
030b4415 | 480 | Float_t ais[2] = { 12.011 , 1.0079 }; |
481 | Float_t zis[2] = { 6.0 , 1.0 }; | |
482 | Float_t wis[2] = { 4.0 , 10.0 }; | |
483 | Float_t dis = 0.00267; | |
d3f347ff | 484 | |
db30bf0f | 485 | // For plexiglas (C5H8O2) |
030b4415 | 486 | Float_t apg[3] = { 12.011 , 1.0079, 15.9994 }; |
487 | Float_t zpg[3] = { 6.0 , 1.0 , 8.0 }; | |
488 | Float_t wpg[3] = { 5.0 , 8.0 , 2.0 }; | |
489 | Float_t dpg = 1.18; | |
08ca3951 | 490 | |
491 | // For epoxy (C18H19O3) | |
3dac2b2d | 492 | Float_t aEpoxy[3] = { 15.9994, 1.0079, 12.011 }; |
493 | Float_t zEpoxy[3] = { 8.0 , 1.0 , 6.0 }; | |
494 | Float_t wEpoxy[3] = { 3.0 , 19.0 , 18.0 }; | |
08ca3951 | 495 | Float_t dEpoxy = 1.8 ; |
496 | ||
0c5a8090 | 497 | // For Araldite, low density epoxy (C18H19O3) |
498 | Float_t aAral[3] = { 15.9994, 1.0079, 12.011 }; | |
499 | Float_t zAral[3] = { 8.0 , 1.0 , 6.0 }; | |
500 | Float_t wAral[3] = { 3.0 , 19.0 , 18.0 }; | |
501 | Float_t dAral = 1.05; | |
502 | ||
08ca3951 | 503 | // For air |
3dac2b2d | 504 | Float_t aAir[4] = { 12.011 , 14.0 , 15.9994 , 36.0 }; |
505 | Float_t zAir[4] = { 6.0 , 7.0 , 8.0 , 18.0 }; | |
506 | Float_t wAir[4] = { 0.000124, 0.755267, 0.231781, 0.012827 }; | |
0c5a8090 | 507 | Float_t dAir = 1.20479e-03; |
08ca3951 | 508 | |
509 | // For G10 | |
3dac2b2d | 510 | Float_t aG10[4] = { 1.0079 , 12.011 , 15.9994 , 28.086 }; |
511 | Float_t zG10[4] = { 1.0 , 6.0 , 8.0 , 14.0 }; | |
512 | Float_t wG10[4] = { 0.15201 , 0.10641 , 0.49444 , 0.24714 }; | |
08ca3951 | 513 | Float_t dG10 = 1.7; |
db30bf0f | 514 | |
d3f347ff | 515 | // For Xe/CO2-gas-mixture |
3dac2b2d | 516 | Float_t aXeCO2[3] = { 131.29 , 12.0107 , 15.9994 }; |
517 | Float_t zXeCO2[3] = { 54.0 , 6.0 , 8.0 }; | |
330bfc2f | 518 | Float_t wXeCO2[3] = { 8.5 , 1.5 , 3.0 }; |
db30bf0f | 519 | // Xe-content of the Xe/CO2-mixture (85% / 15%) |
3dac2b2d | 520 | Float_t fxc = 0.85; |
521 | Float_t dxe = 0.00549; | |
522 | Float_t dgm = fxc * dxe + (1.0 - fxc) * dco; | |
fe4da5cc | 523 | |
d3f347ff | 524 | // General tracking parameter |
030b4415 | 525 | Float_t tmaxfd = -10.0; |
526 | Float_t stemax = -1.0e10; | |
527 | Float_t deemax = -0.1; | |
528 | Float_t epsil = 1.0e-4; | |
529 | Float_t stmin = -0.001; | |
fe4da5cc | 530 | |
d3f347ff | 531 | ////////////////////////////////////////////////////////////////////////// |
fe4da5cc | 532 | // Define Materials |
d3f347ff | 533 | ////////////////////////////////////////////////////////////////////////// |
534 | ||
16bf9884 | 535 | AliMaterial( 1, "Al" , 26.98, 13.0, 2.7 , 8.9 , 37.2); |
3dac2b2d | 536 | AliMaterial( 4, "Xe" , 131.29, 54.0, dxe , 1546.16, 0.0); |
16bf9884 | 537 | AliMaterial( 5, "Cu" , 63.54, 29.0, 8.96 , 1.43, 14.8); |
538 | AliMaterial( 6, "C" , 12.01, 6.0, 2.265 , 18.8 , 74.4); | |
16bf9884 | 539 | AliMaterial(15, "Sn" , 118.71, 50.0, 7.31 , 1.21, 14.8); |
540 | AliMaterial(16, "Si" , 28.09, 14.0, 2.33 , 9.36, 37.2); | |
0c5a8090 | 541 | AliMaterial(18, "Fe" , 55.85, 26.0, 7.87 , 1.76, 14.8); |
d3f347ff | 542 | |
543 | // Mixtures | |
3dac2b2d | 544 | AliMixture(2, "Air" , aAir, zAir, dAir, 4, wAir ); |
545 | AliMixture(3, "Polyethilene", ape, zpe, dpe, -2, wpe ); | |
3dac2b2d | 546 | AliMixture(8, "CO2", aco, zco, dco, -2, wco ); |
547 | AliMixture(9, "Isobutane", ais, zis, dis, -2, wis ); | |
330bfc2f | 548 | AliMixture(10,"Gas mixture", aXeCO2, zXeCO2, dgm, -3, wXeCO2); |
3dac2b2d | 549 | AliMixture(12,"G10", aG10, zG10, dG10, 4, wG10 ); |
550 | AliMixture(13,"Water", awa, zwa, dwa, -2, wwa ); | |
551 | AliMixture(14,"Plexiglas", apg, zpg, dpg, -3, wpg ); | |
552 | AliMixture(17,"Epoxy", aEpoxy, zEpoxy, dEpoxy, -3, wEpoxy); | |
0c5a8090 | 553 | AliMixture(19,"Araldite", aAral, zAral, dAral, -3, wAral ); |
3dac2b2d | 554 | |
d3f347ff | 555 | ////////////////////////////////////////////////////////////////////////// |
fe4da5cc | 556 | // Tracking Media Parameters |
d3f347ff | 557 | ////////////////////////////////////////////////////////////////////////// |
558 | ||
559 | // Al Frame | |
0c5a8090 | 560 | AliMedium( 1,"Al Frame" , 1,0,isxfld,sxmgmx |
561 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 562 | // Air |
0c5a8090 | 563 | AliMedium( 2,"Air" , 2,0,isxfld,sxmgmx |
564 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
565 | // Wires | |
566 | AliMedium( 3,"Wires" , 5,0,isxfld,sxmgmx | |
567 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
568 | // All other ROB materials (caps, etc.) | |
569 | AliMedium( 4,"ROB Other" , 5,0,isxfld,sxmgmx | |
570 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 571 | // Cu pads |
0c5a8090 | 572 | AliMedium( 5,"Padplane" , 5,1,isxfld,sxmgmx |
573 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 574 | // Fee + cables |
0c5a8090 | 575 | AliMedium( 6,"Readout" , 5,0,isxfld,sxmgmx |
576 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 577 | // C frame |
0c5a8090 | 578 | AliMedium( 7,"C Frame" , 6,0,isxfld,sxmgmx |
579 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
580 | // INOX of cooling bus bars | |
581 | AliMedium( 8,"Cooling bus",18,0,isxfld,sxmgmx | |
582 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
3dac2b2d | 583 | // Gas-mixture (Xe/CO2) |
0c5a8090 | 584 | AliMedium( 9,"Gas-mix" ,10,1,isxfld,sxmgmx |
585 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
586 | // Nomex-honeycomb | |
587 | AliMedium(10,"Nomex" ,12,0,isxfld,sxmgmx | |
588 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
589 | // Araldite glue | |
590 | AliMedium(11,"Glue" ,19,0,isxfld,sxmgmx | |
591 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 592 | // G10-plates |
0c5a8090 | 593 | AliMedium(13,"G10-plates" ,12,0,isxfld,sxmgmx |
594 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 595 | // Cooling water |
0c5a8090 | 596 | AliMedium(14,"Water" ,13,0,isxfld,sxmgmx |
597 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
db30bf0f | 598 | // Rohacell (plexiglas) for the radiator |
0c5a8090 | 599 | AliMedium(15,"Rohacell" ,14,0,isxfld,sxmgmx |
600 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 601 | // Al layer in MCMs |
0c5a8090 | 602 | AliMedium(16,"MCM-Al" , 1,0,isxfld,sxmgmx |
603 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 604 | // Sn layer in MCMs |
0c5a8090 | 605 | AliMedium(17,"MCM-Sn" ,15,0,isxfld,sxmgmx |
606 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 607 | // Cu layer in MCMs |
0c5a8090 | 608 | AliMedium(18,"MCM-Cu" , 5,0,isxfld,sxmgmx |
609 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 610 | // G10 layer in MCMs |
0c5a8090 | 611 | AliMedium(19,"MCM-G10" ,12,0,isxfld,sxmgmx |
612 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 613 | // Si in readout chips |
0c5a8090 | 614 | AliMedium(20,"Chip-Si" ,16,0,isxfld,sxmgmx |
615 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 616 | // Epoxy in readout chips |
0c5a8090 | 617 | AliMedium(21,"Chip-Ep" ,17,0,isxfld,sxmgmx |
618 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 619 | // PE in connectors |
0c5a8090 | 620 | AliMedium(22,"Conn-PE" , 3,0,isxfld,sxmgmx |
621 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 622 | // Cu in connectors |
0c5a8090 | 623 | AliMedium(23,"Chip-Cu" , 5,0,isxfld,sxmgmx |
624 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 625 | // Al of cooling pipes |
0c5a8090 | 626 | AliMedium(24,"Cooling" , 1,0,isxfld,sxmgmx |
627 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
73ae7b59 | 628 | // Cu in services |
0c5a8090 | 629 | AliMedium(25,"Serv-Cu" , 5,0,isxfld,sxmgmx |
630 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 631 | |
793ff80c | 632 | // Save the density values for the TRD absorbtion |
0c5a8090 | 633 | Float_t dmy = 1.39; |
793ff80c | 634 | fFoilDensity = dmy; |
3dac2b2d | 635 | fGasDensity = dgm; |
793ff80c | 636 | |
68119ad1 | 637 | gMC->Gstpar((* fIdtmed)[9],"LOSS", 13); // specific energy loss |
638 | gMC->Gstpar((* fIdtmed)[9],"PRIMIO_E", 23.53); // 1st ionisation potential | |
639 | gMC->Gstpar((* fIdtmed)[9],"PRIMIO_N", 19.344431); // Number of | |
640 | ||
fe4da5cc | 641 | } |
642 | ||
82bbf98a | 643 | //_____________________________________________________________________________ |
ba380e33 | 644 | void AliTRD::DrawModule() const |
82bbf98a | 645 | { |
646 | // | |
647 | // Draw a shaded view of the Transition Radiation Detector version 0 | |
648 | // | |
649 | ||
650 | // Set everything unseen | |
651 | gMC->Gsatt("*" ,"SEEN",-1); | |
652 | ||
653 | // Set ALIC mother transparent | |
654 | gMC->Gsatt("ALIC","SEEN", 0); | |
655 | ||
656 | // Set the volumes visible | |
851d3db9 | 657 | if (fGeometry->IsVersion() == 0) { |
5c7f4665 | 658 | gMC->Gsatt("B071","SEEN", 0); |
659 | gMC->Gsatt("B074","SEEN", 0); | |
660 | gMC->Gsatt("B075","SEEN", 0); | |
661 | gMC->Gsatt("B077","SEEN", 0); | |
662 | gMC->Gsatt("BTR1","SEEN", 0); | |
663 | gMC->Gsatt("BTR2","SEEN", 0); | |
664 | gMC->Gsatt("BTR3","SEEN", 0); | |
332e9569 | 665 | gMC->Gsatt("UTR1","SEEN", 0); |
666 | gMC->Gsatt("UTR2","SEEN", 0); | |
667 | gMC->Gsatt("UTR3","SEEN", 0); | |
5c7f4665 | 668 | } |
669 | else { | |
670 | gMC->Gsatt("B071","SEEN", 0); | |
671 | gMC->Gsatt("B074","SEEN", 0); | |
672 | gMC->Gsatt("B075","SEEN", 0); | |
673 | gMC->Gsatt("B077","SEEN", 0); | |
674 | gMC->Gsatt("BTR1","SEEN", 0); | |
675 | gMC->Gsatt("BTR2","SEEN", 0); | |
676 | gMC->Gsatt("BTR3","SEEN", 0); | |
332e9569 | 677 | gMC->Gsatt("UTR1","SEEN", 0); |
5c7f4665 | 678 | } |
82bbf98a | 679 | |
680 | gMC->Gdopt("hide", "on"); | |
681 | gMC->Gdopt("shad", "on"); | |
682 | gMC->Gsatt("*", "fill", 7); | |
683 | gMC->SetClipBox("."); | |
684 | gMC->SetClipBox("*", 0, 2000, -2000, 2000, -2000, 2000); | |
685 | gMC->DefaultRange(); | |
686 | gMC->Gdraw("alic", 40, 30, 0, 12, 9.4, .021, .021); | |
687 | gMC->Gdhead(1111, "Transition Radiation Detector"); | |
688 | gMC->Gdman(18, 4, "MAN"); | |
689 | ||
690 | } | |
691 | ||
fe4da5cc | 692 | //_____________________________________________________________________________ |
e0d47c25 | 693 | Int_t AliTRD::DistancetoPrimitive(Int_t , Int_t ) |
fe4da5cc | 694 | { |
695 | // | |
696 | // Distance between the mouse and the TRD detector on the screen | |
697 | // Dummy routine | |
030b4415 | 698 | // |
82bbf98a | 699 | |
700 | return 9999; | |
701 | ||
fe4da5cc | 702 | } |
703 | ||
704 | //_____________________________________________________________________________ | |
705 | void AliTRD::Init() | |
706 | { | |
707 | // | |
851d3db9 | 708 | // Initialize the TRD detector after the geometry has been created |
fe4da5cc | 709 | // |
82bbf98a | 710 | |
45160b1f | 711 | AliDebug(1,"++++++++++++++++++++++++++++++++++++++++++++++"); |
5c7f4665 | 712 | |
bd0f8685 | 713 | if (fGeometry->IsVersion() != 1) { |
45160b1f | 714 | AliError("Not a valid geometry"); |
d37eec5e | 715 | } |
7235aed2 | 716 | // Special tracking options for charged particles for XeCO2 |
717 | gMC->Gstpar((* fIdtmed)[9],"DRAY",1.0); | |
718 | gMC->Gstpar((* fIdtmed)[9],"STRA",1.0); | |
9e1a0ddb | 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 | ||
dd9a6ee3 | 948 | //_____________________________________________________________________________ |
949 | AliTRD &AliTRD::operator=(const AliTRD &trd) | |
950 | { | |
951 | // | |
952 | // Assignment operator | |
953 | // | |
954 | ||
0c5a8090 | 955 | if (this != &trd) { |
956 | ((AliTRD &) trd).Copy(*this); | |
957 | } | |
030b4415 | 958 | |
dd9a6ee3 | 959 | return *this; |
960 | ||
68119ad1 | 961 | } |