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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) | |
71 | ,fDrawTR(0) | |
72 | ,fDisplayType(0) | |
fe4da5cc | 73 | { |
74 | // | |
75 | // Default constructor | |
76 | // | |
332e9569 | 77 | |
fe4da5cc | 78 | } |
79 | ||
80 | //_____________________________________________________________________________ | |
81 | AliTRD::AliTRD(const char *name, const char *title) | |
030b4415 | 82 | :AliDetector(name,title) |
83 | ,fGeometry(0) | |
84 | ,fGasDensity(0) | |
85 | ,fFoilDensity(0) | |
86 | ,fDrawTR(0) | |
87 | ,fDisplayType(0) | |
fe4da5cc | 88 | { |
89 | // | |
90 | // Standard constructor for the TRD | |
91 | // | |
92 | ||
030b4415 | 93 | // Check that FRAME is there otherwise we have no place where to put TRD |
94 | AliModule *frame = gAlice->GetModule("FRAME"); | |
8230f242 | 95 | if (!frame) { |
030b4415 | 96 | AliError("TRD needs FRAME to be present\n"); |
5c7f4665 | 97 | exit(1); |
98 | } | |
99 | ||
d37eec5e | 100 | // Define the TRD geometry |
101 | if ((frame->IsVersion() == 0) || | |
102 | (frame->IsVersion() == 1)) { | |
bd0f8685 | 103 | fGeometry = new AliTRDgeometry(); |
851d3db9 | 104 | } |
105 | else { | |
030b4415 | 106 | AliError("Could not find valid FRAME version\n"); |
851d3db9 | 107 | exit(1); |
108 | } | |
5c7f4665 | 109 | |
fe4da5cc | 110 | // Allocate the hit array |
030b4415 | 111 | fHits = new TClonesArray("AliTRDhit",405); |
5d12ce38 | 112 | gAlice->GetMCApp()->AddHitList(fHits); |
99d5402e | 113 | |
8230f242 | 114 | } |
115 | ||
99d5402e | 116 | //_____________________________________________________________________________ |
117 | AliTRD::~AliTRD() | |
118 | { | |
119 | // | |
120 | // TRD destructor | |
121 | // | |
122 | ||
abaf1f1d | 123 | if (fGeometry) { |
124 | delete fGeometry; | |
030b4415 | 125 | fGeometry = 0; |
abaf1f1d | 126 | } |
030b4415 | 127 | |
abaf1f1d | 128 | if (fHits) { |
129 | delete fHits; | |
030b4415 | 130 | fHits = 0; |
abaf1f1d | 131 | } |
bd0f8685 | 132 | |
5c7f4665 | 133 | } |
134 | ||
6244debe | 135 | //_____________________________________________________________________________ |
136 | void AliTRD::Hits2Digits() | |
2ab0c725 | 137 | { |
138 | // | |
139 | // Create digits | |
140 | // | |
bd0f8685 | 141 | |
be385a87 | 142 | AliTRDdigitizer digitizer("TRDdigitizer","TRD digitizer class"); |
45160b1f | 143 | AliLog::SetClassDebugLevel("TRDdigitizer",AliDebugLevel()); |
9a96f175 | 144 | |
6244debe | 145 | // Initialization |
be385a87 | 146 | digitizer.InitDetector(); |
6244debe | 147 | |
030b4415 | 148 | if (!fLoader->TreeH()) { |
149 | fLoader->LoadHits("read"); | |
150 | } | |
85a5290f | 151 | fLoader->LoadDigits("recreate"); |
95867fd1 | 152 | |
030b4415 | 153 | AliRunLoader *runLoader = fLoader->GetRunLoader(); |
6244debe | 154 | |
85a5290f | 155 | for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) { |
95867fd1 | 156 | runLoader->GetEvent(iEvent); |
157 | digitizer.Open(runLoader,iEvent); | |
be385a87 | 158 | digitizer.MakeDigits(); |
159 | digitizer.WriteDigits(); | |
6244debe | 160 | } |
161 | ||
85a5290f | 162 | fLoader->UnloadHits(); |
163 | fLoader->UnloadDigits(); | |
a328fff9 | 164 | |
6244debe | 165 | } |
166 | ||
167 | //_____________________________________________________________________________ | |
168 | void AliTRD::Hits2SDigits() | |
169 | { | |
170 | // | |
171 | // Create summable digits | |
172 | // | |
a328fff9 | 173 | |
be385a87 | 174 | AliTRDdigitizer digitizer("TRDdigitizer","TRD digitizer class"); |
6244debe | 175 | // For the summable digits |
be385a87 | 176 | digitizer.SetSDigits(kTRUE); |
45160b1f | 177 | AliLog::SetClassDebugLevel("TRDdigitizer",AliDebugLevel()); |
6244debe | 178 | |
179 | // Initialization | |
be385a87 | 180 | digitizer.InitDetector(); |
2ab0c725 | 181 | |
030b4415 | 182 | if (!fLoader->TreeH()) { |
183 | fLoader->LoadHits("read"); | |
184 | } | |
85a5290f | 185 | fLoader->LoadSDigits("recreate"); |
95867fd1 | 186 | |
187 | AliRunLoader *runLoader = fLoader->GetRunLoader(); | |
6244debe | 188 | |
85a5290f | 189 | for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) { |
95867fd1 | 190 | runLoader->GetEvent(iEvent); |
191 | digitizer.Open(runLoader,iEvent); | |
be385a87 | 192 | digitizer.MakeDigits(); |
193 | digitizer.WriteDigits(); | |
85a5290f | 194 | } |
2ab0c725 | 195 | |
85a5290f | 196 | fLoader->UnloadHits(); |
197 | fLoader->UnloadSDigits(); | |
a328fff9 | 198 | |
199 | } | |
6244debe | 200 | |
85a5290f | 201 | //_____________________________________________________________________________ |
95867fd1 | 202 | AliDigitizer *AliTRD::CreateDigitizer(AliRunDigitizer *manager) const |
85a5290f | 203 | { |
a328fff9 | 204 | // |
205 | // Creates a new digitizer object | |
206 | // | |
207 | ||
85a5290f | 208 | return new AliTRDdigitizer(manager); |
a328fff9 | 209 | |
6244debe | 210 | } |
211 | ||
212 | //_____________________________________________________________________________ | |
213 | void AliTRD::SDigits2Digits() | |
214 | { | |
215 | // | |
216 | // Create final digits from summable digits | |
217 | // | |
218 | ||
bd0f8685 | 219 | // Create the TRD digitizer |
be385a87 | 220 | AliTRDdigitizer digitizer("TRDdigitizer","TRD digitizer class"); |
45160b1f | 221 | AliLog::SetClassDebugLevel("TRDdigitizer",AliDebugLevel()); |
99d5402e | 222 | |
abaf1f1d | 223 | // Set the parameter |
be385a87 | 224 | digitizer.SetEvent(gAlice->GetEvNumber()); |
abaf1f1d | 225 | |
226 | // Initialization | |
be385a87 | 227 | digitizer.InitDetector(); |
abaf1f1d | 228 | |
229 | // Read the s-digits via digits manager | |
be385a87 | 230 | AliTRDdigitsManager sdigitsManager; |
88cb7938 | 231 | |
45160b1f | 232 | AliLog::SetClassDebugLevel("TRDdigitisManager",AliDebugLevel()); |
be385a87 | 233 | sdigitsManager.SetSDigits(kTRUE); |
234 | sdigitsManager.CreateArrays(); | |
88cb7938 | 235 | |
030b4415 | 236 | if (!fLoader->TreeS()) { |
237 | if (fLoader->LoadSDigits("read")) { | |
238 | return; | |
239 | } | |
240 | } | |
241 | if (!fLoader->TreeS()) { | |
242 | AliError(Form("Error while reading SDigits for event %d",gAlice->GetEvNumber())); | |
243 | return; | |
244 | } | |
88cb7938 | 245 | |
be385a87 | 246 | sdigitsManager.ReadDigits(fLoader->TreeS()); |
abaf1f1d | 247 | |
248 | // Add the s-digits to the input list | |
be385a87 | 249 | digitizer.AddSDigitsManager(&sdigitsManager); |
99d5402e | 250 | |
abaf1f1d | 251 | // Convert the s-digits to normal digits |
be385a87 | 252 | digitizer.SDigits2Digits(); |
abaf1f1d | 253 | |
254 | // Store the digits | |
030b4415 | 255 | if (!fLoader->TreeD()) { |
256 | fLoader->MakeTree("D"); | |
257 | } | |
be385a87 | 258 | if (digitizer.MakeBranch(fLoader->TreeD())){ |
259 | digitizer.WriteDigits(); | |
abaf1f1d | 260 | } |
99d5402e | 261 | |
262 | } | |
263 | ||
b864d801 | 264 | //_____________________________________________________________________________ |
265 | void AliTRD::Digits2Raw() | |
266 | { | |
267 | // | |
030b4415 | 268 | // Convert digits of the current event to raw data |
b864d801 | 269 | // |
270 | ||
271 | fLoader->LoadDigits(); | |
030b4415 | 272 | TTree *digits = fLoader->TreeD(); |
b864d801 | 273 | if (!digits) { |
030b4415 | 274 | AliError("No digits tree"); |
b864d801 | 275 | return; |
276 | } | |
277 | ||
278 | AliTRDrawData rawWriter; | |
b864d801 | 279 | if (!rawWriter.Digits2Raw(digits)) { |
030b4415 | 280 | AliError("The raw writer could not load the digits tree"); |
b864d801 | 281 | } |
282 | ||
283 | fLoader->UnloadDigits(); | |
284 | ||
285 | } | |
286 | ||
fe4da5cc | 287 | //_____________________________________________________________________________ |
332e9569 | 288 | void AliTRD::AddHit(Int_t track, Int_t det, Float_t *hits, Int_t q |
2fa01832 | 289 | , Float_t time, Bool_t inDrift) |
fe4da5cc | 290 | { |
291 | // | |
292 | // Add a hit for the TRD | |
332e9569 | 293 | // |
82bbf98a | 294 | |
a328fff9 | 295 | TClonesArray &lhits = *fHits; |
2fa01832 | 296 | AliTRDhit *hit = new(lhits[fNhits++]) AliTRDhit(fIshunt |
297 | ,track | |
298 | ,det | |
299 | ,hits | |
300 | ,q | |
301 | ,time); | |
302 | ||
a328fff9 | 303 | if (inDrift) { |
304 | hit->SetDrift(); | |
332e9569 | 305 | } |
a328fff9 | 306 | else { |
307 | hit->SetAmplification(); | |
308 | } | |
030b4415 | 309 | |
a328fff9 | 310 | if (q < 0) { |
311 | hit->SetTRphoton(); | |
332e9569 | 312 | } |
82bbf98a | 313 | |
fe4da5cc | 314 | } |
315 | ||
316 | //_____________________________________________________________________________ | |
317 | void AliTRD::BuildGeometry() | |
318 | { | |
319 | // | |
320 | // Create the ROOT TNode geometry for the TRD | |
321 | // | |
82bbf98a | 322 | |
0c5a8090 | 323 | TNode *node; |
324 | TNode *top; | |
fe4da5cc | 325 | TPGON *pgon; |
793ff80c | 326 | |
0c5a8090 | 327 | // The dimensions of the TRD super module |
328 | const Float_t kRmin = 291.0; | |
329 | const Float_t kRmax = 369.0; | |
330 | const Float_t kZmax1 = 378.35; | |
331 | const Float_t kZmax2 = 302.0; | |
332 | ||
030b4415 | 333 | Float_t rmin; |
334 | Float_t rmax; | |
335 | Float_t zmax1; | |
336 | Float_t zmax2; | |
db30bf0f | 337 | |
338 | Int_t iPlan; | |
793ff80c | 339 | |
fe4da5cc | 340 | const Int_t kColorTRD = 46; |
d3f347ff | 341 | |
fe4da5cc | 342 | // Find the top node alice |
8230f242 | 343 | top = gAlice->GetGeometry()->GetNode("alice"); |
d3f347ff | 344 | |
db30bf0f | 345 | if (fDisplayType == 0) { |
793ff80c | 346 | |
347 | pgon = new TPGON("S_TRD","TRD","void",0,360,AliTRDgeometry::Nsect(),4); | |
0c5a8090 | 348 | rmin = kRmin; |
349 | rmax = kRmax; | |
350 | pgon->DefineSection(0,-kZmax1,rmax,rmax); | |
351 | pgon->DefineSection(1,-kZmax2,rmin,rmax); | |
352 | pgon->DefineSection(2, kZmax2,rmin,rmax); | |
353 | pgon->DefineSection(3, kZmax1,rmax,rmax); | |
793ff80c | 354 | top->cd(); |
355 | node = new TNode("TRD","TRD","S_TRD",0,0,0,""); | |
356 | node->SetLineColor(kColorTRD); | |
357 | fNodes->Add(node); | |
358 | ||
db30bf0f | 359 | } |
360 | else if (fDisplayType == 1) { | |
793ff80c | 361 | |
f73816f5 | 362 | Char_t name[7]; |
363 | ||
0c5a8090 | 364 | Float_t slope = (kZmax1 - kZmax2) / (kRmax - kRmin); |
793ff80c | 365 | |
0c5a8090 | 366 | rmin = kRmin + AliTRDgeometry::CraHght(); |
367 | rmax = rmin + AliTRDgeometry::CdrHght(); | |
f73816f5 | 368 | |
0c5a8090 | 369 | Float_t thickness = rmin - kRmin; |
370 | zmax2 = kZmax2 + slope * thickness; | |
793ff80c | 371 | zmax1 = zmax2 + slope * AliTRDgeometry::DrThick(); |
793ff80c | 372 | |
db30bf0f | 373 | for (iPlan = 0; iPlan < AliTRDgeometry::Nplan(); iPlan++) { |
793ff80c | 374 | |
f73816f5 | 375 | sprintf(name,"S_TR1%d",iPlan); |
376 | pgon = new TPGON(name,"TRD","void",0,360,AliTRDgeometry::Nsect(),4); | |
377 | pgon->DefineSection(0,-zmax1,rmax,rmax); | |
378 | pgon->DefineSection(1,-zmax2,rmin,rmax); | |
379 | pgon->DefineSection(2, zmax2,rmin,rmax); | |
380 | pgon->DefineSection(3, zmax1,rmax,rmax); | |
381 | top->cd(); | |
382 | node = new TNode("TRD","TRD",name,0,0,0,""); | |
383 | node->SetLineColor(kColorTRD); | |
384 | fNodes->Add(node); | |
385 | ||
386 | Float_t height = AliTRDgeometry::Cheight() + AliTRDgeometry::Cspace(); | |
387 | rmin = rmin + height; | |
388 | rmax = rmax + height; | |
389 | zmax1 = zmax1 + slope * height; | |
390 | zmax2 = zmax2 + slope * height; | |
391 | ||
392 | } | |
393 | ||
394 | thickness += AliTRDgeometry::DrThick(); | |
0c5a8090 | 395 | rmin = kRmin + thickness; |
396 | rmax = rmin + AliTRDgeometry::AmThick(); | |
397 | zmax2 = kZmax2 + slope * thickness; | |
398 | zmax1 = zmax2 + slope * AliTRDgeometry::AmThick(); | |
f73816f5 | 399 | |
db30bf0f | 400 | for (iPlan = 0; iPlan < AliTRDgeometry::Nplan(); iPlan++) { |
f73816f5 | 401 | |
402 | sprintf(name,"S_TR2%d",iPlan); | |
793ff80c | 403 | pgon = new TPGON(name,"TRD","void",0,360,AliTRDgeometry::Nsect(),4); |
404 | pgon->DefineSection(0,-zmax1,rmax,rmax); | |
405 | pgon->DefineSection(1,-zmax2,rmin,rmax); | |
406 | pgon->DefineSection(2, zmax2,rmin,rmax); | |
407 | pgon->DefineSection(3, zmax1,rmax,rmax); | |
408 | top->cd(); | |
409 | node = new TNode("TRD","TRD",name,0,0,0,""); | |
410 | node->SetLineColor(kColorTRD); | |
411 | fNodes->Add(node); | |
412 | ||
413 | Float_t height = AliTRDgeometry::Cheight() + AliTRDgeometry::Cspace(); | |
414 | rmin = rmin + height; | |
415 | rmax = rmax + height; | |
416 | zmax1 = zmax1 + slope * height; | |
417 | zmax2 = zmax2 + slope * height; | |
418 | ||
419 | } | |
420 | ||
db30bf0f | 421 | } |
d3f347ff | 422 | |
fe4da5cc | 423 | } |
424 | ||
425 | //_____________________________________________________________________________ | |
82bbf98a | 426 | void AliTRD::CreateGeometry() |
fe4da5cc | 427 | { |
82bbf98a | 428 | // |
429 | // Creates the volumes for the TRD chambers | |
430 | // | |
82bbf98a | 431 | |
432 | // Check that FRAME is there otherwise we have no place where to put the TRD | |
030b4415 | 433 | AliModule *frame = gAlice->GetModule("FRAME"); |
8230f242 | 434 | if (!frame) { |
45160b1f | 435 | AliFatal("The TRD needs the FRAME to be defined first"); |
82bbf98a | 436 | } |
d3f347ff | 437 | |
851d3db9 | 438 | fGeometry->CreateGeometry(fIdtmed->GetArray() - 1299); |
5c7f4665 | 439 | |
82bbf98a | 440 | } |
441 | ||
442 | //_____________________________________________________________________________ | |
443 | void AliTRD::CreateMaterials() | |
444 | { | |
fe4da5cc | 445 | // |
446 | // Create the materials for the TRD | |
fe4da5cc | 447 | // |
448 | ||
8230f242 | 449 | Int_t isxfld = gAlice->Field()->Integ(); |
450 | Float_t sxmgmx = gAlice->Field()->Max(); | |
fe4da5cc | 451 | |
d3f347ff | 452 | // For polyethilene (CH2) |
030b4415 | 453 | Float_t ape[2] = { 12.011 , 1.0079 }; |
454 | Float_t zpe[2] = { 6.0 , 1.0 }; | |
455 | Float_t wpe[2] = { 1.0 , 2.0 }; | |
456 | Float_t dpe = 0.95; | |
d3f347ff | 457 | |
d3f347ff | 458 | // For CO2 |
030b4415 | 459 | Float_t aco[2] = { 12.011 , 15.9994 }; |
460 | Float_t zco[2] = { 6.0 , 8.0 }; | |
461 | Float_t wco[2] = { 1.0 , 2.0 }; | |
462 | Float_t dco = 0.00186; | |
d3f347ff | 463 | |
464 | // For water | |
030b4415 | 465 | Float_t awa[2] = { 1.0079, 15.9994 }; |
466 | Float_t zwa[2] = { 1.0 , 8.0 }; | |
467 | Float_t wwa[2] = { 2.0 , 1.0 }; | |
468 | Float_t dwa = 1.0; | |
d3f347ff | 469 | |
470 | // For isobutane (C4H10) | |
030b4415 | 471 | Float_t ais[2] = { 12.011 , 1.0079 }; |
472 | Float_t zis[2] = { 6.0 , 1.0 }; | |
473 | Float_t wis[2] = { 4.0 , 10.0 }; | |
474 | Float_t dis = 0.00267; | |
d3f347ff | 475 | |
db30bf0f | 476 | // For plexiglas (C5H8O2) |
030b4415 | 477 | Float_t apg[3] = { 12.011 , 1.0079, 15.9994 }; |
478 | Float_t zpg[3] = { 6.0 , 1.0 , 8.0 }; | |
479 | Float_t wpg[3] = { 5.0 , 8.0 , 2.0 }; | |
480 | Float_t dpg = 1.18; | |
08ca3951 | 481 | |
482 | // For epoxy (C18H19O3) | |
3dac2b2d | 483 | Float_t aEpoxy[3] = { 15.9994, 1.0079, 12.011 }; |
484 | Float_t zEpoxy[3] = { 8.0 , 1.0 , 6.0 }; | |
485 | Float_t wEpoxy[3] = { 3.0 , 19.0 , 18.0 }; | |
08ca3951 | 486 | Float_t dEpoxy = 1.8 ; |
487 | ||
0c5a8090 | 488 | // For Araldite, low density epoxy (C18H19O3) |
489 | Float_t aAral[3] = { 15.9994, 1.0079, 12.011 }; | |
490 | Float_t zAral[3] = { 8.0 , 1.0 , 6.0 }; | |
491 | Float_t wAral[3] = { 3.0 , 19.0 , 18.0 }; | |
492 | Float_t dAral = 1.05; | |
493 | ||
08ca3951 | 494 | // For air |
3dac2b2d | 495 | Float_t aAir[4] = { 12.011 , 14.0 , 15.9994 , 36.0 }; |
496 | Float_t zAir[4] = { 6.0 , 7.0 , 8.0 , 18.0 }; | |
497 | Float_t wAir[4] = { 0.000124, 0.755267, 0.231781, 0.012827 }; | |
0c5a8090 | 498 | Float_t dAir = 1.20479e-03; |
08ca3951 | 499 | |
500 | // For G10 | |
3dac2b2d | 501 | Float_t aG10[4] = { 1.0079 , 12.011 , 15.9994 , 28.086 }; |
502 | Float_t zG10[4] = { 1.0 , 6.0 , 8.0 , 14.0 }; | |
503 | Float_t wG10[4] = { 0.15201 , 0.10641 , 0.49444 , 0.24714 }; | |
08ca3951 | 504 | Float_t dG10 = 1.7; |
db30bf0f | 505 | |
d3f347ff | 506 | // For Xe/CO2-gas-mixture |
3dac2b2d | 507 | Float_t aXeCO2[3] = { 131.29 , 12.0107 , 15.9994 }; |
508 | Float_t zXeCO2[3] = { 54.0 , 6.0 , 8.0 }; | |
330bfc2f | 509 | Float_t wXeCO2[3] = { 8.5 , 1.5 , 3.0 }; |
db30bf0f | 510 | // Xe-content of the Xe/CO2-mixture (85% / 15%) |
3dac2b2d | 511 | Float_t fxc = 0.85; |
512 | Float_t dxe = 0.00549; | |
513 | Float_t dgm = fxc * dxe + (1.0 - fxc) * dco; | |
fe4da5cc | 514 | |
d3f347ff | 515 | // General tracking parameter |
030b4415 | 516 | Float_t tmaxfd = -10.0; |
517 | Float_t stemax = -1.0e10; | |
518 | Float_t deemax = -0.1; | |
519 | Float_t epsil = 1.0e-4; | |
520 | Float_t stmin = -0.001; | |
fe4da5cc | 521 | |
d3f347ff | 522 | ////////////////////////////////////////////////////////////////////////// |
fe4da5cc | 523 | // Define Materials |
d3f347ff | 524 | ////////////////////////////////////////////////////////////////////////// |
525 | ||
16bf9884 | 526 | AliMaterial( 1, "Al" , 26.98, 13.0, 2.7 , 8.9 , 37.2); |
3dac2b2d | 527 | AliMaterial( 4, "Xe" , 131.29, 54.0, dxe , 1546.16, 0.0); |
16bf9884 | 528 | AliMaterial( 5, "Cu" , 63.54, 29.0, 8.96 , 1.43, 14.8); |
529 | AliMaterial( 6, "C" , 12.01, 6.0, 2.265 , 18.8 , 74.4); | |
16bf9884 | 530 | AliMaterial(15, "Sn" , 118.71, 50.0, 7.31 , 1.21, 14.8); |
531 | AliMaterial(16, "Si" , 28.09, 14.0, 2.33 , 9.36, 37.2); | |
0c5a8090 | 532 | AliMaterial(18, "Fe" , 55.85, 26.0, 7.87 , 1.76, 14.8); |
d3f347ff | 533 | |
534 | // Mixtures | |
3dac2b2d | 535 | AliMixture(2, "Air" , aAir, zAir, dAir, 4, wAir ); |
536 | AliMixture(3, "Polyethilene", ape, zpe, dpe, -2, wpe ); | |
3dac2b2d | 537 | AliMixture(8, "CO2", aco, zco, dco, -2, wco ); |
538 | AliMixture(9, "Isobutane", ais, zis, dis, -2, wis ); | |
330bfc2f | 539 | AliMixture(10,"Gas mixture", aXeCO2, zXeCO2, dgm, -3, wXeCO2); |
3dac2b2d | 540 | AliMixture(12,"G10", aG10, zG10, dG10, 4, wG10 ); |
541 | AliMixture(13,"Water", awa, zwa, dwa, -2, wwa ); | |
542 | AliMixture(14,"Plexiglas", apg, zpg, dpg, -3, wpg ); | |
543 | AliMixture(17,"Epoxy", aEpoxy, zEpoxy, dEpoxy, -3, wEpoxy); | |
0c5a8090 | 544 | AliMixture(19,"Araldite", aAral, zAral, dAral, -3, wAral ); |
3dac2b2d | 545 | |
d3f347ff | 546 | ////////////////////////////////////////////////////////////////////////// |
fe4da5cc | 547 | // Tracking Media Parameters |
d3f347ff | 548 | ////////////////////////////////////////////////////////////////////////// |
549 | ||
550 | // Al Frame | |
0c5a8090 | 551 | AliMedium( 1,"Al Frame" , 1,0,isxfld,sxmgmx |
552 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 553 | // Air |
0c5a8090 | 554 | AliMedium( 2,"Air" , 2,0,isxfld,sxmgmx |
555 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
556 | // Wires | |
557 | AliMedium( 3,"Wires" , 5,0,isxfld,sxmgmx | |
558 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
559 | // All other ROB materials (caps, etc.) | |
560 | AliMedium( 4,"ROB Other" , 5,0,isxfld,sxmgmx | |
561 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 562 | // Cu pads |
0c5a8090 | 563 | AliMedium( 5,"Padplane" , 5,1,isxfld,sxmgmx |
564 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 565 | // Fee + cables |
0c5a8090 | 566 | AliMedium( 6,"Readout" , 5,0,isxfld,sxmgmx |
567 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 568 | // C frame |
0c5a8090 | 569 | AliMedium( 7,"C Frame" , 6,0,isxfld,sxmgmx |
570 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
571 | // INOX of cooling bus bars | |
572 | AliMedium( 8,"Cooling bus",18,0,isxfld,sxmgmx | |
573 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
3dac2b2d | 574 | // Gas-mixture (Xe/CO2) |
0c5a8090 | 575 | AliMedium( 9,"Gas-mix" ,10,1,isxfld,sxmgmx |
576 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
577 | // Nomex-honeycomb | |
578 | AliMedium(10,"Nomex" ,12,0,isxfld,sxmgmx | |
579 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
580 | // Araldite glue | |
581 | AliMedium(11,"Glue" ,19,0,isxfld,sxmgmx | |
582 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 583 | // G10-plates |
0c5a8090 | 584 | AliMedium(13,"G10-plates" ,12,0,isxfld,sxmgmx |
585 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 586 | // Cooling water |
0c5a8090 | 587 | AliMedium(14,"Water" ,13,0,isxfld,sxmgmx |
588 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
db30bf0f | 589 | // Rohacell (plexiglas) for the radiator |
0c5a8090 | 590 | AliMedium(15,"Rohacell" ,14,0,isxfld,sxmgmx |
591 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 592 | // Al layer in MCMs |
0c5a8090 | 593 | AliMedium(16,"MCM-Al" , 1,0,isxfld,sxmgmx |
594 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 595 | // Sn layer in MCMs |
0c5a8090 | 596 | AliMedium(17,"MCM-Sn" ,15,0,isxfld,sxmgmx |
597 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 598 | // Cu layer in MCMs |
0c5a8090 | 599 | AliMedium(18,"MCM-Cu" , 5,0,isxfld,sxmgmx |
600 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 601 | // G10 layer in MCMs |
0c5a8090 | 602 | AliMedium(19,"MCM-G10" ,12,0,isxfld,sxmgmx |
603 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 604 | // Si in readout chips |
0c5a8090 | 605 | AliMedium(20,"Chip-Si" ,16,0,isxfld,sxmgmx |
606 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 607 | // Epoxy in readout chips |
0c5a8090 | 608 | AliMedium(21,"Chip-Ep" ,17,0,isxfld,sxmgmx |
609 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 610 | // PE in connectors |
0c5a8090 | 611 | AliMedium(22,"Conn-PE" , 3,0,isxfld,sxmgmx |
612 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 613 | // Cu in connectors |
0c5a8090 | 614 | AliMedium(23,"Chip-Cu" , 5,0,isxfld,sxmgmx |
615 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 616 | // Al of cooling pipes |
0c5a8090 | 617 | AliMedium(24,"Cooling" , 1,0,isxfld,sxmgmx |
618 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
73ae7b59 | 619 | // Cu in services |
0c5a8090 | 620 | AliMedium(25,"Serv-Cu" , 5,0,isxfld,sxmgmx |
621 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 622 | |
793ff80c | 623 | // Save the density values for the TRD absorbtion |
0c5a8090 | 624 | Float_t dmy = 1.39; |
793ff80c | 625 | fFoilDensity = dmy; |
3dac2b2d | 626 | fGasDensity = dgm; |
793ff80c | 627 | |
fe4da5cc | 628 | } |
629 | ||
82bbf98a | 630 | //_____________________________________________________________________________ |
ba380e33 | 631 | void AliTRD::DrawModule() const |
82bbf98a | 632 | { |
633 | // | |
634 | // Draw a shaded view of the Transition Radiation Detector version 0 | |
635 | // | |
636 | ||
637 | // Set everything unseen | |
638 | gMC->Gsatt("*" ,"SEEN",-1); | |
639 | ||
640 | // Set ALIC mother transparent | |
641 | gMC->Gsatt("ALIC","SEEN", 0); | |
642 | ||
643 | // Set the volumes visible | |
851d3db9 | 644 | if (fGeometry->IsVersion() == 0) { |
5c7f4665 | 645 | gMC->Gsatt("B071","SEEN", 0); |
646 | gMC->Gsatt("B074","SEEN", 0); | |
647 | gMC->Gsatt("B075","SEEN", 0); | |
648 | gMC->Gsatt("B077","SEEN", 0); | |
649 | gMC->Gsatt("BTR1","SEEN", 0); | |
650 | gMC->Gsatt("BTR2","SEEN", 0); | |
651 | gMC->Gsatt("BTR3","SEEN", 0); | |
332e9569 | 652 | gMC->Gsatt("UTR1","SEEN", 0); |
653 | gMC->Gsatt("UTR2","SEEN", 0); | |
654 | gMC->Gsatt("UTR3","SEEN", 0); | |
5c7f4665 | 655 | } |
656 | else { | |
657 | gMC->Gsatt("B071","SEEN", 0); | |
658 | gMC->Gsatt("B074","SEEN", 0); | |
659 | gMC->Gsatt("B075","SEEN", 0); | |
660 | gMC->Gsatt("B077","SEEN", 0); | |
661 | gMC->Gsatt("BTR1","SEEN", 0); | |
662 | gMC->Gsatt("BTR2","SEEN", 0); | |
663 | gMC->Gsatt("BTR3","SEEN", 0); | |
332e9569 | 664 | gMC->Gsatt("UTR1","SEEN", 0); |
5c7f4665 | 665 | } |
82bbf98a | 666 | |
667 | gMC->Gdopt("hide", "on"); | |
668 | gMC->Gdopt("shad", "on"); | |
669 | gMC->Gsatt("*", "fill", 7); | |
670 | gMC->SetClipBox("."); | |
671 | gMC->SetClipBox("*", 0, 2000, -2000, 2000, -2000, 2000); | |
672 | gMC->DefaultRange(); | |
673 | gMC->Gdraw("alic", 40, 30, 0, 12, 9.4, .021, .021); | |
674 | gMC->Gdhead(1111, "Transition Radiation Detector"); | |
675 | gMC->Gdman(18, 4, "MAN"); | |
676 | ||
677 | } | |
fe4da5cc | 678 | |
679 | //_____________________________________________________________________________ | |
680 | void AliTRD::Init() | |
681 | { | |
682 | // | |
851d3db9 | 683 | // Initialize the TRD detector after the geometry has been created |
fe4da5cc | 684 | // |
82bbf98a | 685 | |
45160b1f | 686 | AliDebug(1,"++++++++++++++++++++++++++++++++++++++++++++++"); |
5c7f4665 | 687 | |
bd0f8685 | 688 | if (fGeometry->IsVersion() != 1) { |
45160b1f | 689 | AliError("Not a valid geometry"); |
d37eec5e | 690 | } |
5f06bf41 | 691 | |
7235aed2 | 692 | // Special tracking options for charged particles for XeCO2 |
5f06bf41 | 693 | gMC->Gstpar((* fIdtmed)[9],"DRAY" , 1.0); |
694 | gMC->Gstpar((* fIdtmed)[9],"STRA" , 1.0); | |
695 | gMC->Gstpar((* fIdtmed)[9],"LOSS" ,13.0); // Specific energy loss | |
696 | gMC->Gstpar((* fIdtmed)[9],"PRIMIO_E",23.53); // 1st ionisation potential | |
697 | gMC->Gstpar((* fIdtmed)[9],"PRIMIO_N",19.344431); // Number of primaries | |
698 | ||
5c7f4665 | 699 | } |
700 | ||
793ff80c | 701 | //_____________________________________________________________________________ |
73ae7b59 | 702 | void AliTRD::LoadPoints(Int_t ) |
793ff80c | 703 | { |
704 | // | |
705 | // Store x, y, z of all hits in memory. | |
706 | // Hit originating from TR photons are given a different color | |
707 | // | |
708 | ||
030b4415 | 709 | if (fHits == 0) { |
710 | return; | |
711 | } | |
793ff80c | 712 | |
030b4415 | 713 | Int_t nhits = fHits->GetEntriesFast(); |
714 | if (nhits == 0) { | |
715 | return; | |
716 | } | |
793ff80c | 717 | |
5d12ce38 | 718 | Int_t tracks = gAlice->GetMCApp()->GetNtrack(); |
030b4415 | 719 | if (fPoints == 0) { |
720 | fPoints = new TObjArray(tracks); | |
721 | } | |
793ff80c | 722 | |
723 | AliTRDhit *ahit; | |
724 | ||
725 | Int_t *ntrkE = new Int_t[tracks]; | |
726 | Int_t *ntrkT = new Int_t[tracks]; | |
727 | Int_t *limiE = new Int_t[tracks]; | |
728 | Int_t *limiT = new Int_t[tracks]; | |
729 | Float_t **coorE = new Float_t*[tracks]; | |
730 | Float_t **coorT = new Float_t*[tracks]; | |
731 | for(Int_t i = 0; i < tracks; i++) { | |
732 | ntrkE[i] = 0; | |
733 | ntrkT[i] = 0; | |
734 | coorE[i] = 0; | |
735 | coorT[i] = 0; | |
736 | limiE[i] = 0; | |
737 | limiT[i] = 0; | |
738 | } | |
739 | ||
332e9569 | 740 | AliTRDpoints *points = 0; |
741 | Float_t *fp = 0; | |
742 | Int_t trk; | |
743 | Int_t chunk = nhits / 4 + 1; | |
793ff80c | 744 | |
745 | // Loop over all the hits and store their position | |
332e9569 | 746 | ahit = (AliTRDhit *) FirstHit(-1); |
747 | while (ahit) { | |
793ff80c | 748 | |
749 | // dEdx hits | |
332e9569 | 750 | if (ahit->GetCharge() >= 0) { |
793ff80c | 751 | |
752 | trk = ahit->GetTrack(); | |
753 | if (ntrkE[trk] == limiE[trk]) { | |
754 | // Initialise a new track | |
755 | fp = new Float_t[3*(limiE[trk]+chunk)]; | |
756 | if (coorE[trk]) { | |
757 | memcpy(fp,coorE[trk],sizeof(Float_t)*3*limiE[trk]); | |
758 | delete [] coorE[trk]; | |
759 | } | |
760 | limiE[trk] += chunk; | |
761 | coorE[trk] = fp; | |
762 | } | |
763 | else { | |
764 | fp = coorE[trk]; | |
765 | } | |
766 | fp[3*ntrkE[trk] ] = ahit->X(); | |
767 | fp[3*ntrkE[trk]+1] = ahit->Y(); | |
768 | fp[3*ntrkE[trk]+2] = ahit->Z(); | |
769 | ntrkE[trk]++; | |
770 | ||
771 | } | |
772 | // TR photon hits | |
030b4415 | 773 | else if ((ahit->GetCharge() < 0) && |
774 | (fDrawTR)) { | |
793ff80c | 775 | |
776 | trk = ahit->GetTrack(); | |
777 | if (ntrkT[trk] == limiT[trk]) { | |
778 | // Initialise a new track | |
779 | fp = new Float_t[3*(limiT[trk]+chunk)]; | |
780 | if (coorT[trk]) { | |
781 | memcpy(fp,coorT[trk],sizeof(Float_t)*3*limiT[trk]); | |
782 | delete [] coorT[trk]; | |
783 | } | |
784 | limiT[trk] += chunk; | |
785 | coorT[trk] = fp; | |
786 | } | |
787 | else { | |
788 | fp = coorT[trk]; | |
789 | } | |
790 | fp[3*ntrkT[trk] ] = ahit->X(); | |
791 | fp[3*ntrkT[trk]+1] = ahit->Y(); | |
792 | fp[3*ntrkT[trk]+2] = ahit->Z(); | |
793 | ntrkT[trk]++; | |
794 | ||
795 | } | |
796 | ||
332e9569 | 797 | ahit = (AliTRDhit *) NextHit(); |
798 | ||
793ff80c | 799 | } |
800 | ||
801 | for (trk = 0; trk < tracks; ++trk) { | |
802 | ||
803 | if (ntrkE[trk] || ntrkT[trk]) { | |
804 | ||
805 | points = new AliTRDpoints(); | |
806 | points->SetDetector(this); | |
807 | points->SetParticle(trk); | |
808 | ||
809 | // Set the dEdx points | |
810 | if (ntrkE[trk]) { | |
e939a978 | 811 | points->SetMarkerColor(kWhite); //PH This is the default color in TRD |
812 | points->SetMarkerSize(1); //PH Default size=1 | |
813 | points->SetPolyMarker(ntrkE[trk],coorE[trk],1); //PH Default style=1 | |
793ff80c | 814 | delete [] coorE[trk]; |
815 | coorE[trk] = 0; | |
816 | } | |
817 | ||
818 | // Set the TR photon points | |
819 | if (ntrkT[trk]) { | |
820 | points->SetTRpoints(ntrkT[trk],coorT[trk]); | |
821 | delete [] coorT[trk]; | |
822 | coorT[trk] = 0; | |
823 | } | |
824 | ||
825 | fPoints->AddAt(points,trk); | |
826 | ||
827 | } | |
828 | ||
829 | } | |
830 | ||
831 | delete [] coorE; | |
832 | delete [] coorT; | |
833 | delete [] ntrkE; | |
834 | delete [] ntrkT; | |
835 | delete [] limiE; | |
836 | delete [] limiT; | |
837 | ||
838 | } | |
839 | ||
5c7f4665 | 840 | //_____________________________________________________________________________ |
030b4415 | 841 | void AliTRD::MakeBranch(Option_t *option) |
5c7f4665 | 842 | { |
843 | // | |
abaf1f1d | 844 | // Create Tree branches for the TRD digits. |
5c7f4665 | 845 | // |
846 | ||
abaf1f1d | 847 | Int_t buffersize = 4000; |
848 | Char_t branchname[15]; | |
849 | sprintf(branchname,"%s",GetName()); | |
5c7f4665 | 850 | |
030b4415 | 851 | const Char_t *cD = strstr(option,"D"); |
aa9d00f0 | 852 | |
88cb7938 | 853 | AliDetector::MakeBranch(option); |
5c7f4665 | 854 | |
030b4415 | 855 | if (fDigits && |
856 | gAlice->TreeD() && | |
857 | cD) { | |
88cb7938 | 858 | MakeBranchInTree(gAlice->TreeD(),branchname,&fDigits,buffersize,0); |
030b4415 | 859 | } |
abaf1f1d | 860 | |
851d3db9 | 861 | } |
862 | ||
6244debe | 863 | //_____________________________________________________________________________ |
864 | void AliTRD::ResetDigits() | |
865 | { | |
866 | // | |
abaf1f1d | 867 | // Reset number of digits and the digits array for this detector |
6244debe | 868 | // |
869 | ||
abaf1f1d | 870 | fNdigits = 0; |
030b4415 | 871 | |
872 | if (fDigits) { | |
873 | fDigits->Clear(); | |
874 | } | |
6244debe | 875 | |
876 | } | |
877 | ||
5c7f4665 | 878 | //_____________________________________________________________________________ |
879 | void AliTRD::SetTreeAddress() | |
880 | { | |
881 | // | |
882 | // Set the branch addresses for the trees. | |
883 | // | |
884 | ||
030b4415 | 885 | if (fLoader->TreeH() && |
886 | (fHits == 0x0)) { | |
a328fff9 | 887 | fHits = new TClonesArray("AliTRDhit",405); |
332e9569 | 888 | } |
a328fff9 | 889 | AliDetector::SetTreeAddress(); |
332e9569 | 890 | |
fe4da5cc | 891 | } |
892 | ||
68119ad1 | 893 | //_____________________________________________________________________________ |
894 | Bool_t AliTRD::Raw2SDigits(AliRawReader *rawReader) | |
895 | { | |
896 | // | |
897 | // Converts RAW data to SDigits | |
898 | // | |
899 | ||
900 | AliLoader *loader = fRunLoader->GetLoader("TRDLoader"); | |
901 | if (!loader) { | |
902 | AliError("Can not get TRD loader from Run Loader"); | |
903 | return kFALSE; | |
904 | } | |
905 | ||
906 | TTree *tree = 0; | |
907 | tree = loader->TreeS(); | |
908 | if (!tree) { | |
909 | loader->MakeTree("S"); | |
910 | tree = loader->TreeS(); | |
911 | } | |
912 | ||
913 | AliTRDrawData *rawdata = new AliTRDrawData(); | |
914 | AliTRDdigitsManager *sdigitsManager = rawdata->Raw2Digits(rawReader); | |
915 | if (sdigitsManager) { | |
916 | sdigitsManager->SetSDigits(kTRUE); | |
917 | sdigitsManager->MakeBranch(tree); | |
918 | sdigitsManager->WriteDigits(); | |
919 | return kTRUE; | |
920 | } | |
921 | else { | |
922 | return kFALSE; | |
923 | } | |
924 | ||
925 | } | |
926 | ||
dd9a6ee3 | 927 | //_____________________________________________________________________________ |
928 | AliTRD &AliTRD::operator=(const AliTRD &trd) | |
929 | { | |
930 | // | |
931 | // Assignment operator | |
932 | // | |
933 | ||
0c5a8090 | 934 | if (this != &trd) { |
935 | ((AliTRD &) trd).Copy(*this); | |
936 | } | |
030b4415 | 937 | |
dd9a6ee3 | 938 | return *this; |
939 | ||
68119ad1 | 940 | } |