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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 | ||
acd84897 | 16 | /* $Id$ */ |
4c039060 | 17 | |
fe4da5cc | 18 | /////////////////////////////////////////////////////////////////////////////// |
19 | // // | |
20 | // Base class for ALICE modules. Both sensitive modules (detectors) and // | |
21 | // non-sensitive ones are described by this base class. This class // | |
22 | // supports the hit and digit trees produced by the simulation and also // | |
23 | // the objects produced by the reconstruction. // | |
24 | // // | |
25 | // This class is also responsible for building the geometry of the // | |
26 | // detectors. // | |
27 | // // | |
28 | //Begin_Html | |
29 | /* | |
1439f98e | 30 | <img src="picts/AliDetectorClass.gif"> |
fe4da5cc | 31 | */ |
32 | //End_Html | |
33 | // // | |
34 | /////////////////////////////////////////////////////////////////////////////// | |
65fb704d | 35 | |
2ab0c725 | 36 | #include <TBrowser.h> |
6644b9ca | 37 | #include <TTree.h> |
fe4da5cc | 38 | |
594d8990 | 39 | #include "AliLog.h" |
9e1a0ddb | 40 | #include "AliConfig.h" |
94de3818 | 41 | #include "AliDetector.h" |
94de3818 | 42 | #include "AliHit.h" |
43 | #include "AliPoints.h" | |
88cb7938 | 44 | #include "AliLoader.h" |
6644b9ca | 45 | #include "AliRun.h" |
5d12ce38 | 46 | #include "AliMC.h" |
aab9c8d5 | 47 | |
9e1a0ddb | 48 | |
fe4da5cc | 49 | ClassImp(AliDetector) |
50 | ||
6644b9ca | 51 | //_______________________________________________________________________ |
52 | AliDetector::AliDetector(): | |
75c4b017 | 53 | AliModule(), |
6644b9ca | 54 | fTimeGate(200.e-9), |
55 | fIshunt(0), | |
56 | fNhits(0), | |
57 | fNdigits(0), | |
58 | fBufferSize(1600), | |
90e48c0c | 59 | fMaxIterHit(0), |
60 | fCurIterHit(0), | |
6644b9ca | 61 | fHits(0), |
62 | fDigits(0), | |
88cb7938 | 63 | fPoints(0), |
64 | fLoader(0x0) | |
fe4da5cc | 65 | { |
66 | // | |
67 | // Default constructor for the AliDetector class | |
68 | // | |
fe4da5cc | 69 | } |
70 | ||
71 | //_____________________________________________________________________________ | |
6644b9ca | 72 | AliDetector::AliDetector(const char* name,const char *title): |
73 | AliModule(name,title), | |
74 | fTimeGate(200.e-9), | |
75 | fIshunt(0), | |
76 | fNhits(0), | |
77 | fNdigits(0), | |
78 | fBufferSize(1600), | |
90e48c0c | 79 | fMaxIterHit(0), |
80 | fCurIterHit(0), | |
6644b9ca | 81 | fHits(0), |
82 | fDigits(0), | |
88cb7938 | 83 | fPoints(0), |
84 | fLoader(0x0) | |
fe4da5cc | 85 | { |
86 | // | |
87 | // Normal constructor invoked by all Detectors. | |
88 | // Create the list for detector specific histograms | |
89 | // Add this Detector to the global list of Detectors in Run. | |
90 | // | |
91 | ||
fe4da5cc | 92 | fActive = kTRUE; |
9e1a0ddb | 93 | AliConfig::Instance()->Add(this); |
aab9c8d5 | 94 | |
fe4da5cc | 95 | } |
96 | ||
6644b9ca | 97 | //_______________________________________________________________________ |
fe4da5cc | 98 | AliDetector::~AliDetector() |
99 | { | |
100 | // | |
101 | // Destructor | |
102 | // | |
6644b9ca | 103 | |
fe4da5cc | 104 | // Delete space point structure |
e460afec | 105 | if (fPoints) { |
106 | fPoints->Delete(); | |
107 | delete fPoints; | |
108 | fPoints = 0; | |
109 | } | |
110 | // Delete digits structure | |
111 | if (fDigits) { | |
112 | fDigits->Delete(); | |
113 | delete fDigits; | |
114 | fDigits = 0; | |
115 | } | |
88cb7938 | 116 | |
117 | if (fLoader) | |
118 | { | |
119 | fLoader->GetModulesFolder()->Remove(this); | |
120 | } | |
121 | ||
fe4da5cc | 122 | } |
9e1a0ddb | 123 | |
6644b9ca | 124 | //_______________________________________________________________________ |
3a83c716 | 125 | void AliDetector::Publish(const char */*dir*/, void */*address*/, const char */*name*/) const |
9e1a0ddb | 126 | { |
88cb7938 | 127 | // |
128 | // Register pointer to detector objects. | |
129 | // | |
88cb7938 | 130 | MayNotUse("Publish"); |
9e1a0ddb | 131 | } |
132 | ||
4787b401 | 133 | //_______________________________________________________________________ |
134 | void AliDetector::AddAlignableVolumes() const | |
135 | { | |
136 | // | |
137 | AliWarning(Form("%s still has to implement the AddAlignableVolumes method!",GetName())); | |
138 | } | |
139 | ||
6644b9ca | 140 | //_______________________________________________________________________ |
141 | TBranch* AliDetector::MakeBranchInTree(TTree *tree, const char* name, | |
142 | void* address, Int_t size, | |
143 | const char *file) | |
9e1a0ddb | 144 | { |
d0f40f23 | 145 | return(MakeBranchInTree(tree,name,0,address,size,99,file)); |
9e1a0ddb | 146 | } |
147 | ||
6644b9ca | 148 | //_______________________________________________________________________ |
149 | TBranch* AliDetector::MakeBranchInTree(TTree *tree, const char* name, | |
150 | const char *classname, | |
151 | void* address,Int_t size, | |
d1898505 | 152 | Int_t splitlevel, const char */*file*/) |
9e1a0ddb | 153 | { |
88cb7938 | 154 | // |
155 | // Makes branch in given tree and diverts them to a separate file | |
156 | // | |
157 | // | |
158 | // | |
a96ab15b | 159 | |
594d8990 | 160 | AliDebug(2,Form("Making Branch %s",name)); |
88cb7938 | 161 | if (tree == 0x0) |
162 | { | |
594d8990 | 163 | AliError(Form("Making Branch %s Tree is NULL",name)); |
88cb7938 | 164 | return 0x0; |
165 | } | |
166 | TBranch *branch = tree->GetBranch(name); | |
167 | if (branch) | |
168 | { | |
594d8990 | 169 | AliDebug(2,Form("Branch %s is already in tree.",name)); |
9e1a0ddb | 170 | return branch; |
88cb7938 | 171 | } |
172 | ||
173 | if (classname) | |
174 | { | |
175 | branch = tree->Branch(name,classname,address,size,splitlevel); | |
176 | } | |
177 | else | |
178 | { | |
a96ab15b | 179 | branch = tree->Bronch(name, "TClonesArray", address, size, splitlevel); |
88cb7938 | 180 | } |
594d8990 | 181 | AliDebug(2,Form("Branch %s returning branch %#x",name,branch)); |
88cb7938 | 182 | return branch; |
9e1a0ddb | 183 | } |
184 | ||
6644b9ca | 185 | //_______________________________________________________________________ |
fe4da5cc | 186 | void AliDetector::Browse(TBrowser *b) |
187 | { | |
188 | // | |
189 | // Insert Detector objects in the list of objects to be browsed | |
190 | // | |
191 | char name[64]; | |
192 | if( fHits == 0) return; | |
193 | TObject *obj; | |
194 | Int_t i, nobjects; | |
195 | // | |
196 | nobjects = fHits->GetEntries(); | |
197 | for (i=0;i<nobjects;i++) { | |
198 | obj = fHits->At(i); | |
199 | sprintf(name,"%s_%d",obj->GetName(),i); | |
200 | b->Add(obj, &name[0]); | |
201 | } | |
202 | } | |
203 | ||
6644b9ca | 204 | //_______________________________________________________________________ |
fe4da5cc | 205 | void AliDetector::FinishRun() |
206 | { | |
207 | // | |
208 | // Procedure called at the end of a run. | |
209 | // | |
210 | } | |
211 | ||
6644b9ca | 212 | //_______________________________________________________________________ |
fe4da5cc | 213 | AliHit* AliDetector::FirstHit(Int_t track) |
214 | { | |
215 | // | |
216 | // Initialise the hit iterator | |
217 | // Return the address of the first hit for track | |
218 | // If track>=0 the track is read from disk | |
219 | // while if track<0 the first hit of the current | |
220 | // track is returned | |
221 | // | |
222 | if(track>=0) { | |
88cb7938 | 223 | gAlice->ResetHits(); //stupid = if N detector this method is called N times |
224 | TreeH()->GetEvent(track); //skowron | |
fe4da5cc | 225 | } |
226 | // | |
3a83c716 | 227 | fMaxIterHit=fHits->GetEntriesFast(); |
228 | fCurIterHit=0; | |
229 | if(fMaxIterHit) return dynamic_cast<AliHit*>(fHits->UncheckedAt(0)); | |
fe4da5cc | 230 | else return 0; |
231 | } | |
232 | ||
6644b9ca | 233 | //_______________________________________________________________________ |
fe4da5cc | 234 | AliHit* AliDetector::NextHit() |
235 | { | |
236 | // | |
237 | // Return the next hit for the current track | |
238 | // | |
3a83c716 | 239 | if(fMaxIterHit) { |
240 | if(++fCurIterHit<fMaxIterHit) | |
241 | return dynamic_cast<AliHit*>(fHits->UncheckedAt(fCurIterHit)); | |
fe4da5cc | 242 | else |
243 | return 0; | |
244 | } else { | |
594d8990 | 245 | AliWarning("Hit Iterator called without calling FistHit before"); |
fe4da5cc | 246 | return 0; |
247 | } | |
248 | } | |
6644b9ca | 249 | |
6644b9ca | 250 | //_______________________________________________________________________ |
fe4da5cc | 251 | void AliDetector::LoadPoints(Int_t) |
252 | { | |
253 | // | |
254 | // Store x, y, z of all hits in memory | |
255 | // | |
88cb7938 | 256 | if (fHits == 0) |
257 | { | |
594d8990 | 258 | AliError(Form("fHits == 0. Name is %s",GetName())); |
88cb7938 | 259 | return; |
260 | } | |
fe4da5cc | 261 | // |
fe4da5cc | 262 | Int_t nhits = fHits->GetEntriesFast(); |
88cb7938 | 263 | if (nhits == 0) |
264 | { | |
265 | // Error("LoadPoints","nhits == 0. Name is %s",GetName()); | |
266 | return; | |
267 | } | |
5d12ce38 | 268 | Int_t tracks = gAlice->GetMCApp()->GetNtrack(); |
080a67a1 | 269 | if (fPoints == 0) fPoints = new TObjArray(tracks); |
fe4da5cc | 270 | AliHit *ahit; |
271 | // | |
080a67a1 | 272 | Int_t *ntrk=new Int_t[tracks]; |
273 | Int_t *limi=new Int_t[tracks]; | |
274 | Float_t **coor=new Float_t*[tracks]; | |
275 | for(Int_t i=0;i<tracks;i++) { | |
276 | ntrk[i]=0; | |
277 | coor[i]=0; | |
278 | limi[i]=0; | |
279 | } | |
280 | // | |
fe4da5cc | 281 | AliPoints *points = 0; |
080a67a1 | 282 | Float_t *fp=0; |
283 | Int_t trk; | |
284 | Int_t chunk=nhits/4+1; | |
fe4da5cc | 285 | // |
286 | // Loop over all the hits and store their position | |
287 | for (Int_t hit=0;hit<nhits;hit++) { | |
e2afb3b6 | 288 | ahit = dynamic_cast<AliHit*>(fHits->UncheckedAt(hit)); |
080a67a1 | 289 | trk=ahit->GetTrack(); |
f08c15f7 | 290 | if(trk>tracks) { |
291 | AliError(Form("Found track number %d, max track %d",trk, tracks)); | |
292 | continue; | |
293 | } | |
88cb7938 | 294 | if(ntrk[trk]==limi[trk]) |
295 | { | |
fe4da5cc | 296 | // |
297 | // Initialise a new track | |
080a67a1 | 298 | fp=new Float_t[3*(limi[trk]+chunk)]; |
88cb7938 | 299 | if(coor[trk]) |
300 | { | |
301 | memcpy(fp,coor[trk],sizeof(Float_t)*3*limi[trk]); | |
302 | delete [] coor[trk]; | |
303 | } | |
080a67a1 | 304 | limi[trk]+=chunk; |
305 | coor[trk] = fp; | |
88cb7938 | 306 | } |
307 | else | |
308 | { | |
080a67a1 | 309 | fp = coor[trk]; |
88cb7938 | 310 | } |
94de3818 | 311 | fp[3*ntrk[trk] ] = ahit->X(); |
312 | fp[3*ntrk[trk]+1] = ahit->Y(); | |
313 | fp[3*ntrk[trk]+2] = ahit->Z(); | |
080a67a1 | 314 | ntrk[trk]++; |
315 | } | |
316 | // | |
317 | for(trk=0; trk<tracks; ++trk) { | |
318 | if(ntrk[trk]) { | |
319 | points = new AliPoints(); | |
e939a978 | 320 | points->SetMarkerColor(3); //PH color=3 was set in AliModule |
321 | points->SetMarkerSize(1); //PH size-1 is the default value | |
fe4da5cc | 322 | points->SetDetector(this); |
323 | points->SetParticle(trk); | |
e939a978 | 324 | points->SetPolyMarker(ntrk[trk],coor[trk],1);//PH style=1 is the default value |
080a67a1 | 325 | fPoints->AddAt(points,trk); |
326 | delete [] coor[trk]; | |
327 | coor[trk]=0; | |
fe4da5cc | 328 | } |
fe4da5cc | 329 | } |
080a67a1 | 330 | delete [] coor; |
331 | delete [] ntrk; | |
332 | delete [] limi; | |
fe4da5cc | 333 | } |
334 | ||
6644b9ca | 335 | //_______________________________________________________________________ |
88cb7938 | 336 | void AliDetector::MakeBranch(Option_t *option) |
fe4da5cc | 337 | { |
338 | // | |
88cb7938 | 339 | // Create a new branch for this detector in its treeH |
fe4da5cc | 340 | // |
88cb7938 | 341 | |
594d8990 | 342 | AliDebug(2,Form(" for %s",GetName())); |
5cf7bbad | 343 | const char *cH = strstr(option,"H"); |
2ab0c725 | 344 | |
88cb7938 | 345 | if (fHits && TreeH() && cH) |
346 | { | |
347 | MakeBranchInTree(TreeH(), GetName(), &fHits, fBufferSize, 0); | |
348 | } | |
aab9c8d5 | 349 | } |
fe4da5cc | 350 | |
6644b9ca | 351 | //_______________________________________________________________________ |
fe4da5cc | 352 | void AliDetector::ResetDigits() |
353 | { | |
354 | // | |
355 | // Reset number of digits and the digits array | |
356 | // | |
357 | fNdigits = 0; | |
88cb7938 | 358 | if (fDigits) fDigits->Clear(); |
fe4da5cc | 359 | } |
360 | ||
6644b9ca | 361 | //_______________________________________________________________________ |
fe4da5cc | 362 | void AliDetector::ResetHits() |
363 | { | |
364 | // | |
365 | // Reset number of hits and the hits array | |
366 | // | |
367 | fNhits = 0; | |
88cb7938 | 368 | if (fHits) fHits->Clear(); |
fe4da5cc | 369 | } |
370 | ||
6644b9ca | 371 | //_______________________________________________________________________ |
fe4da5cc | 372 | void AliDetector::ResetPoints() |
373 | { | |
374 | // | |
375 | // Reset array of points | |
376 | // | |
377 | if (fPoints) { | |
378 | fPoints->Delete(); | |
379 | delete fPoints; | |
380 | fPoints = 0; | |
381 | } | |
382 | } | |
383 | ||
6644b9ca | 384 | //_______________________________________________________________________ |
fe4da5cc | 385 | void AliDetector::SetTreeAddress() |
386 | { | |
387 | // | |
388 | // Set branch address for the Hits and Digits Trees | |
389 | // | |
390 | TBranch *branch; | |
fe4da5cc | 391 | // |
392 | // Branch address for hit tree | |
88cb7938 | 393 | |
394 | TTree *tree = TreeH(); | |
395 | if (tree && fHits) { | |
396 | branch = tree->GetBranch(GetName()); | |
397 | if (branch) | |
398 | { | |
594d8990 | 399 | AliDebug(2,Form("(%s) Setting for Hits",GetName())); |
88cb7938 | 400 | branch->SetAddress(&fHits); |
401 | } | |
402 | else | |
f2a509af | 403 | { //can be invoked before branch creation |
594d8990 | 404 | AliDebug(2,Form("(%s) Failed for Hits. Can not find branch in tree.",GetName())); |
88cb7938 | 405 | } |
fe4da5cc | 406 | } |
88cb7938 | 407 | |
fe4da5cc | 408 | // |
409 | // Branch address for digit tree | |
88cb7938 | 410 | TTree *treeD = fLoader->TreeD(); |
fe4da5cc | 411 | if (treeD && fDigits) { |
88cb7938 | 412 | branch = treeD->GetBranch(GetName()); |
fe4da5cc | 413 | if (branch) branch->SetAddress(&fDigits); |
414 | } | |
2cad796f | 415 | |
416 | AliModule::SetTreeAddress(); | |
fe4da5cc | 417 | } |
418 | ||
88cb7938 | 419 | //_______________________________________________________________________ |
420 | void AliDetector::MakeTree(Option_t *option) | |
421 | { | |
422 | //makes a tree (container) for the data defined in option | |
423 | //"H" - hits | |
424 | //"D" - digits | |
425 | //"S" - summable digits | |
426 | //"R" - recontructed points and tracks | |
fe4da5cc | 427 | |
88cb7938 | 428 | AliLoader* loader = GetLoader(); |
429 | if (loader == 0x0) | |
430 | { | |
594d8990 | 431 | AliError(Form("Can not get loader for %s",GetName())); |
88cb7938 | 432 | return; |
433 | } | |
434 | loader->MakeTree(option); //delegate this job to getter | |
435 | } | |
436 | ||
437 | //_______________________________________________________________________ | |
438 | AliLoader* AliDetector::MakeLoader(const char* topfoldername) | |
439 | { | |
440 | //builds standard getter (AliLoader type) | |
441 | //if detector wants to use castomized getter, it must overload this method | |
442 | ||
594d8990 | 443 | AliDebug(1,Form("Creating standard getter for detector %s. Top folder is %s.", |
444 | GetName(),topfoldername)); | |
88cb7938 | 445 | |
446 | fLoader = new AliLoader(GetName(),topfoldername); | |
447 | return fLoader; | |
88cb7938 | 448 | } |
449 | ||
450 | //_______________________________________________________________________ | |
3a83c716 | 451 | TTree* AliDetector::TreeH() const |
88cb7938 | 452 | { |
453 | //Get the hits container from the folder | |
454 | if (GetLoader() == 0x0) | |
455 | { | |
456 | //sunstitude this with make getter when we can obtain the event folder name | |
594d8990 | 457 | AliError("Can not get the getter"); |
88cb7938 | 458 | return 0x0; |
459 | } | |
460 | ||
461 | TTree* tree = (TTree*)GetLoader()->TreeH(); | |
462 | return tree; | |
463 | } | |
464 |