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New pad plane design, new TRF+PRF, tail cancelation, cross talk
[u/mrichter/AliRoot.git] / TRD / AliTRDdigitsManager.cxx
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6f1e466d 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
16/*
17$Log$
abaf1f1d 18Revision 1.13 2001/11/06 17:19:41 cblume
19Add detailed geometry and simple simulator
20
16bf9884 21Revision 1.12 2001/05/16 14:57:28 alibrary
22New files for folders and Stack
23
9e1a0ddb 24Revision 1.11 2001/03/13 09:30:35 cblume
25Update of digitization. Moved digit branch definition to AliTRD
26
6244debe 27Revision 1.10 2001/01/26 19:56:57 hristov
28Major upgrade of AliRoot code
29
2ab0c725 30Revision 1.9 2000/11/02 09:25:53 cblume
31Change also the dictionary to AliTRDdataArray
32
4d6586ef 33Revision 1.8 2000/11/01 15:20:13 cblume
34Change AliTRDdataArrayI to AliTRDdataArray in MakeBranch()
35
06754153 36Revision 1.7 2000/11/01 14:53:20 cblume
37Merge with TRD-develop
38
793ff80c 39Revision 1.1.2.5 2000/10/17 02:27:34 cblume
40Get rid of global constants
41
42Revision 1.1.2.4 2000/10/15 23:40:01 cblume
43Remove AliTRDconst
44
45Revision 1.1.2.3 2000/10/06 16:49:46 cblume
46Made Getters const
47
48Revision 1.1.2.2 2000/10/04 16:34:58 cblume
49Replace include files by forward declarations
50
94de3818 51Revision 1.5 2000/06/09 11:10:07 cblume
52Compiler warnings and coding conventions, next round
53
dd9a6ee3 54Revision 1.4 2000/06/08 18:32:58 cblume
55Make code compliant to coding conventions
56
8230f242 57Revision 1.3 2000/06/07 16:27:01 cblume
58Try to remove compiler warnings on Sun and HP
59
9d0b222b 60Revision 1.2 2000/05/08 16:17:27 cblume
61Merge TRD-develop
62
6f1e466d 63Revision 1.1.2.1 2000/05/08 14:44:01 cblume
64Add new class AliTRDdigitsManager
65
66*/
67
68///////////////////////////////////////////////////////////////////////////////
69// //
70// Manages the digits and the track dictionary in the form of //
71// AliTRDdataArray objects. //
72// //
73///////////////////////////////////////////////////////////////////////////////
6244debe 74
2ab0c725 75#include <iostream.h>
793ff80c 76
2ab0c725 77#include <TROOT.h>
793ff80c 78#include <TTree.h>
2ab0c725 79#include <TFile.h>
94de3818 80
6f1e466d 81#include "AliRun.h"
82
83#include "AliTRDdigitsManager.h"
793ff80c 84#include "AliTRDsegmentArray.h"
85#include "AliTRDdataArrayI.h"
86#include "AliTRDdigit.h"
87#include "AliTRDgeometry.h"
9e1a0ddb 88#include "AliTRD.h"
6f1e466d 89
90ClassImp(AliTRDdigitsManager)
91
793ff80c 92//_____________________________________________________________________________
93
94 // Number of track dictionary arrays
95 const Int_t AliTRDdigitsManager::fgkNDict = kNDict;
96
6f1e466d 97//_____________________________________________________________________________
98AliTRDdigitsManager::AliTRDdigitsManager():TObject()
99{
100 //
101 // Default constructor
102 //
103
abaf1f1d 104 fIsRaw = kFALSE;
105 fEvent = 0;
106 fVerbose = 0;
107 fSDigits = 0;
6f1e466d 108
abaf1f1d 109 fFile = NULL;
110 fTree = NULL;
111 fDigits = NULL;
6f1e466d 112 for (Int_t iDict = 0; iDict < kNDict; iDict++) {
abaf1f1d 113 fDictionary[iDict] = NULL;
6f1e466d 114 }
115
116}
117
8230f242 118//_____________________________________________________________________________
dd9a6ee3 119AliTRDdigitsManager::AliTRDdigitsManager(const AliTRDdigitsManager &m)
8230f242 120{
121 //
122 // AliTRDdigitsManager copy constructor
123 //
124
dd9a6ee3 125 ((AliTRDdigitsManager &) m).Copy(*this);
8230f242 126
127}
128
6f1e466d 129//_____________________________________________________________________________
130AliTRDdigitsManager::~AliTRDdigitsManager()
131{
8230f242 132 //
133 // AliTRDdigitsManager destructor
134 //
6f1e466d 135
abaf1f1d 136 if (fFile) {
137 fFile->Close();
138 delete fFile;
139 fFile = NULL;
140 }
141
142 if (fTree) {
143 delete fTree;
144 fTree = NULL;
145 }
146
6f1e466d 147 if (fDigits) {
148 fDigits->Delete();
149 delete fDigits;
abaf1f1d 150 fDigits = NULL;
6f1e466d 151 }
152
153 for (Int_t iDict = 0; iDict < kNDict; iDict++) {
154 fDictionary[iDict]->Delete();
155 delete fDictionary[iDict];
abaf1f1d 156 fDictionary[iDict] = NULL;
6f1e466d 157 }
158
159}
160
8230f242 161//_____________________________________________________________________________
dd9a6ee3 162void AliTRDdigitsManager::Copy(TObject &m)
8230f242 163{
164 //
165 // Copy function
166 //
167
abaf1f1d 168 ((AliTRDdigitsManager &) m).fIsRaw = fIsRaw;
169 ((AliTRDdigitsManager &) m).fEvent = fEvent;
170 ((AliTRDdigitsManager &) m).fVerbose = fVerbose;
171 ((AliTRDdigitsManager &) m).fSDigits = fSDigits;
8230f242 172
173 TObject::Copy(m);
174
175}
176
abaf1f1d 177//_____________________________________________________________________________
178void AliTRDdigitsManager::CreateArrays()
179{
180 //
181 // Create the data arrays
182 //
183
184 fDigits = new AliTRDsegmentArray("AliTRDdataArrayI",AliTRDgeometry::Ndet());
185
186 for (Int_t iDict = 0; iDict < kNDict; iDict++) {
187 fDictionary[iDict] = new AliTRDsegmentArray("AliTRDdataArrayI"
188 ,AliTRDgeometry::Ndet());
189 }
190
191}
192
6f1e466d 193//_____________________________________________________________________________
194void AliTRDdigitsManager::SetRaw()
195{
196
197 fIsRaw = kTRUE;
198
793ff80c 199 fDigits->SetBit(AliTRDdigit::RawDigit());
6f1e466d 200
201}
202
16bf9884 203//_____________________________________________________________________________
204Short_t AliTRDdigitsManager::GetDigitAmp(Int_t row, Int_t col,Int_t time
205 , Int_t det) const
206{
207 //
208 // Returns the amplitude of a digit
209 //
210
211 return ((Short_t) GetDigits(det)->GetData(row,col,time));
212
213}
214
6f1e466d 215//_____________________________________________________________________________
abaf1f1d 216Bool_t AliTRDdigitsManager::Open(const Char_t *name)
6f1e466d 217{
218 //
abaf1f1d 219 // Opens the file for the TRD digits
220 //
221
222 fFile = (TFile*) gROOT->GetListOfFiles()->FindObject(name);
223 if (!fFile) {
224 if (fVerbose > 0) {
225 printf("AliTRDdigitsManager::Open -- ");
226 printf("Open the AliROOT-file %s.\n",name);
227 }
228 fFile = new TFile(name,"UPDATE");
229 if (!fFile) return kFALSE;
230 }
231 else {
232 if (fVerbose > 0) {
233 printf("AliTRDdigitsManager::Open -- ");
234 printf("%s is already open.\n",name);
235 }
236 }
237
238 return kTRUE;
239
240}
241
242//_____________________________________________________________________________
243Bool_t AliTRDdigitsManager::MakeBranch(const Char_t *file)
244{
245 //
246 // Creates the tree and branches for the digits and the dictionary
6f1e466d 247 //
248
249 Int_t buffersize = 64000;
250
251 Bool_t status = kTRUE;
252
abaf1f1d 253 AliTRD *trd = (AliTRD *) gAlice->GetDetector("TRD") ;
2ab0c725 254
abaf1f1d 255 // Create the TRD digits tree
256 Char_t treeName[12];
257 if (fSDigits) {
258 sprintf(treeName,"TreeS%d_TRD",fEvent);
259 fTree = new TTree(treeName,"TRD SDigits");
260 }
261 else {
262 sprintf(treeName,"TreeD%d_TRD",fEvent);
263 fTree = new TTree(treeName,"TRD Digits");
264 }
9e1a0ddb 265
abaf1f1d 266 if (fVerbose > 0) {
267 printf("AliTRDdigitsManager::MakeBranch -- ");
268 printf("Creating tree %s\n",treeName);
269 }
6f1e466d 270
abaf1f1d 271 // Make the branch for the digits
272 if (fDigits) {
273 const AliTRDdataArray *kDigits = (AliTRDdataArray *) fDigits->At(0);
274 if (kDigits) {
275 trd->MakeBranchInTree(fTree,"TRDdigits",kDigits->IsA()->GetName()
276 ,&kDigits,buffersize,99,file);
277 if (fVerbose > 0) {
6f1e466d 278 printf("AliTRDdigitsManager::MakeBranch -- ");
279 printf("Making branch TRDdigits\n");
280 }
6f1e466d 281 }
282 else {
283 status = kFALSE;
284 }
abaf1f1d 285 }
286 else {
287 status = kFALSE;
288 }
6f1e466d 289
abaf1f1d 290 // Make the branches for the dictionaries
291 for (Int_t iDict = 0; iDict < kNDict; iDict++) {
292 Char_t branchname[15];
293 sprintf(branchname,"TRDdictionary%d",iDict);
294 if (fDictionary[iDict]) {
295 const AliTRDdataArray *kDictionary =
296 (AliTRDdataArray *) fDictionary[iDict]->At(0);
297 if (kDictionary) {
298 trd->MakeBranchInTree(fTree,branchname,kDictionary->IsA()->GetName()
299 ,&kDictionary,buffersize,99,file);
300 if (fVerbose > 0) {
6f1e466d 301 printf("AliTRDdigitsManager::MakeBranch -- ");
302 printf("Making branch %s\n",branchname);
6244debe 303 }
6f1e466d 304 }
305 else {
306 status = kFALSE;
307 }
308 }
abaf1f1d 309 else {
310 status = kFALSE;
311 }
6f1e466d 312 }
313
314 return status;
315
316}
317
318//_____________________________________________________________________________
319Bool_t AliTRDdigitsManager::ReadDigits()
320{
8230f242 321 //
322 // Reads the digit information from the input file
323 //
6f1e466d 324
325 Bool_t status = kTRUE;
326
abaf1f1d 327 // Get the digits tree
328 Char_t treeName[12];
329 if (fSDigits) {
330 sprintf(treeName,"TreeS%d_TRD",fEvent);
331 }
332 else {
333 sprintf(treeName,"TreeD%d_TRD",fEvent);
334 }
335 if (fFile) {
336 fTree = (TTree *) fFile->Get(treeName);
337 }
338 else {
339 fTree = (TTree *) gDirectory->Get(treeName);
340 }
341 if (!fTree) {
342 if (fVerbose > 0) {
343 printf("AliTRDdigitsManager::ReadDigits -- ");
344 printf("Could not find tree %s.\n",treeName);
345 }
346 return kFALSE;
347 }
348
349 if (!fDigits) {
350 if (fVerbose > 0) {
351 printf("AliTRDdigitsManager::ReadDigits -- ");
352 printf("Create the data arrays.\n");
353 }
354 CreateArrays();
355 }
356
357 status = fDigits->LoadArray("TRDdigits",fTree);
6f1e466d 358
359 for (Int_t iDict = 0; iDict < kNDict; iDict++) {
360 Char_t branchname[15];
361 sprintf(branchname,"TRDdictionary%d",iDict);
abaf1f1d 362 status = fDictionary[iDict]->LoadArray(branchname,fTree);
6f1e466d 363 }
364
793ff80c 365 if (fDigits->TestBit(AliTRDdigit::RawDigit())) {
6f1e466d 366 fIsRaw = kTRUE;
367 }
368 else {
369 fIsRaw = kFALSE;
370 }
371
372 return kTRUE;
373
374}
375
376//_____________________________________________________________________________
377Bool_t AliTRDdigitsManager::WriteDigits()
378{
379 //
380 // Writes out the TRD-digits and the dictionaries
381 //
382
6f1e466d 383 // Store the contents of the segment array in the tree
abaf1f1d 384 if (!fDigits->StoreArray("TRDdigits",fTree)) {
6f1e466d 385 printf("AliTRDdigitsManager::WriteDigits -- ");
386 printf("Error while storing digits in branch TRDdigits\n");
387 return kFALSE;
388 }
389 for (Int_t iDict = 0; iDict < kNDict; iDict++) {
390 Char_t branchname[15];
391 sprintf(branchname,"TRDdictionary%d",iDict);
abaf1f1d 392 if (!fDictionary[iDict]->StoreArray(branchname,fTree)) {
6f1e466d 393 printf("AliTRDdigitsManager::WriteDigits -- ");
394 printf("Error while storing dictionary in branch %s\n",branchname);
395 return kFALSE;
396 }
397 }
398
abaf1f1d 399 // Write the new tree to the output file
400 fTree->Write();
401
6f1e466d 402 return kTRUE;
403
404}
9d0b222b 405
406//_____________________________________________________________________________
407AliTRDdigit *AliTRDdigitsManager::GetDigit(Int_t row, Int_t col
793ff80c 408 , Int_t time, Int_t det) const
9d0b222b 409{
410 //
411 // Creates a single digit object
412 //
413
414 Int_t digits[4];
415 Int_t amp[1];
416
417 digits[0] = det;
418 digits[1] = row;
419 digits[2] = col;
420 digits[3] = time;
421
422 amp[0] = GetDigits(det)->GetData(row,col,time);
423
424 return (new AliTRDdigit(fIsRaw,digits,amp));
425
426}
427
428//_____________________________________________________________________________
429Int_t AliTRDdigitsManager::GetTrack(Int_t track
430 , Int_t row, Int_t col, Int_t time
793ff80c 431 , Int_t det) const
9d0b222b 432{
433 //
434 // Returns the MC-track numbers from the dictionary.
435 //
436
437 if ((track < 0) || (track >= kNDict)) {
438 TObject::Error("GetTracks"
439 ,"track %d out of bounds (size: %d, this: 0x%08x)"
440 ,track,kNDict,this);
441 return -1;
442 }
443
444 // Array contains index+1 to allow data compression
445 return (GetDictionary(det,track)->GetData(row,col,time) - 1);
446
447}
448
dd9a6ee3 449//_____________________________________________________________________________
793ff80c 450AliTRDdataArrayI *AliTRDdigitsManager::GetDigits(Int_t det) const
dd9a6ee3 451{
452 //
453 // Returns the digits array for one detector
454 //
455
456 return (AliTRDdataArrayI *) fDigits->At(det);
457
458}
459
460//_____________________________________________________________________________
793ff80c 461AliTRDdataArrayI *AliTRDdigitsManager::GetDictionary(Int_t det, Int_t i) const
dd9a6ee3 462{
463 //
464 // Returns the dictionary for one detector
465 //
466
467 return (AliTRDdataArrayI *) fDictionary[i]->At(det);
468
469}
470
471//_____________________________________________________________________________
793ff80c 472Int_t AliTRDdigitsManager::GetTrack(Int_t track, AliTRDdigit *Digit) const
dd9a6ee3 473{
474 //
475 // Returns the MC-track numbers from the dictionary for a given digit
476 //
477
478 Int_t row = Digit->GetRow();
479 Int_t col = Digit->GetCol();
480 Int_t time = Digit->GetTime();
481 Int_t det = Digit->GetDetector();
482
483 return GetTrack(track,row,col,time,det);
484
485}
486
487//_____________________________________________________________________________
488AliTRDdigitsManager &AliTRDdigitsManager::operator=(const AliTRDdigitsManager &m)
489{
490 //
491 // Assignment operator
492 //
493
494 if (this != &m) ((AliTRDdigitsManager &) m).Copy(*this);
495 return *this;
496
497}