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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> |
7ca4655f | 37 | #include <TClonesArray.h> |
6644b9ca | 38 | #include <TTree.h> |
fe4da5cc | 39 | |
594d8990 | 40 | #include "AliLog.h" |
9e1a0ddb | 41 | #include "AliConfig.h" |
94de3818 | 42 | #include "AliDetector.h" |
94de3818 | 43 | #include "AliHit.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 | fLoader(0x0) |
fe4da5cc | 64 | { |
65 | // | |
66 | // Default constructor for the AliDetector class | |
67 | // | |
fe4da5cc | 68 | } |
69 | ||
70 | //_____________________________________________________________________________ | |
6644b9ca | 71 | AliDetector::AliDetector(const char* name,const char *title): |
72 | AliModule(name,title), | |
73 | fTimeGate(200.e-9), | |
74 | fIshunt(0), | |
75 | fNhits(0), | |
76 | fNdigits(0), | |
77 | fBufferSize(1600), | |
90e48c0c | 78 | fMaxIterHit(0), |
79 | fCurIterHit(0), | |
6644b9ca | 80 | fHits(0), |
81 | fDigits(0), | |
88cb7938 | 82 | fLoader(0x0) |
fe4da5cc | 83 | { |
84 | // | |
85 | // Normal constructor invoked by all Detectors. | |
86 | // Create the list for detector specific histograms | |
87 | // Add this Detector to the global list of Detectors in Run. | |
88 | // | |
89 | ||
fe4da5cc | 90 | fActive = kTRUE; |
9e1a0ddb | 91 | AliConfig::Instance()->Add(this); |
aab9c8d5 | 92 | |
fe4da5cc | 93 | } |
94 | ||
6644b9ca | 95 | //_______________________________________________________________________ |
fe4da5cc | 96 | AliDetector::~AliDetector() |
97 | { | |
98 | // | |
99 | // Destructor | |
100 | // | |
6644b9ca | 101 | |
e460afec | 102 | // Delete digits structure |
103 | if (fDigits) { | |
104 | fDigits->Delete(); | |
105 | delete fDigits; | |
106 | fDigits = 0; | |
107 | } | |
88cb7938 | 108 | |
109 | if (fLoader) | |
110 | { | |
111 | fLoader->GetModulesFolder()->Remove(this); | |
112 | } | |
113 | ||
fe4da5cc | 114 | } |
9e1a0ddb | 115 | |
6644b9ca | 116 | //_______________________________________________________________________ |
3a83c716 | 117 | void AliDetector::Publish(const char */*dir*/, void */*address*/, const char */*name*/) const |
9e1a0ddb | 118 | { |
88cb7938 | 119 | // |
120 | // Register pointer to detector objects. | |
121 | // | |
88cb7938 | 122 | MayNotUse("Publish"); |
9e1a0ddb | 123 | } |
124 | ||
4787b401 | 125 | //_______________________________________________________________________ |
126 | void AliDetector::AddAlignableVolumes() const | |
127 | { | |
128 | // | |
129 | AliWarning(Form("%s still has to implement the AddAlignableVolumes method!",GetName())); | |
130 | } | |
131 | ||
6644b9ca | 132 | //_______________________________________________________________________ |
133 | TBranch* AliDetector::MakeBranchInTree(TTree *tree, const char* name, | |
134 | void* address, Int_t size, | |
135 | const char *file) | |
9e1a0ddb | 136 | { |
d0f40f23 | 137 | return(MakeBranchInTree(tree,name,0,address,size,99,file)); |
9e1a0ddb | 138 | } |
139 | ||
6644b9ca | 140 | //_______________________________________________________________________ |
141 | TBranch* AliDetector::MakeBranchInTree(TTree *tree, const char* name, | |
142 | const char *classname, | |
143 | void* address,Int_t size, | |
d1898505 | 144 | Int_t splitlevel, const char */*file*/) |
9e1a0ddb | 145 | { |
88cb7938 | 146 | // |
147 | // Makes branch in given tree and diverts them to a separate file | |
148 | // | |
149 | // | |
150 | // | |
a96ab15b | 151 | |
594d8990 | 152 | AliDebug(2,Form("Making Branch %s",name)); |
88cb7938 | 153 | if (tree == 0x0) |
154 | { | |
594d8990 | 155 | AliError(Form("Making Branch %s Tree is NULL",name)); |
88cb7938 | 156 | return 0x0; |
157 | } | |
158 | TBranch *branch = tree->GetBranch(name); | |
159 | if (branch) | |
160 | { | |
594d8990 | 161 | AliDebug(2,Form("Branch %s is already in tree.",name)); |
9e1a0ddb | 162 | return branch; |
88cb7938 | 163 | } |
164 | ||
165 | if (classname) | |
166 | { | |
167 | branch = tree->Branch(name,classname,address,size,splitlevel); | |
168 | } | |
169 | else | |
170 | { | |
a96ab15b | 171 | branch = tree->Bronch(name, "TClonesArray", address, size, splitlevel); |
88cb7938 | 172 | } |
73bbf779 | 173 | AliDebug(2,Form("Branch %s returning branch %p",name,branch)); |
88cb7938 | 174 | return branch; |
9e1a0ddb | 175 | } |
176 | ||
6644b9ca | 177 | //_______________________________________________________________________ |
fe4da5cc | 178 | void AliDetector::Browse(TBrowser *b) |
179 | { | |
180 | // | |
181 | // Insert Detector objects in the list of objects to be browsed | |
182 | // | |
338da9aa | 183 | char name[64]=""; |
fe4da5cc | 184 | if( fHits == 0) return; |
185 | TObject *obj; | |
186 | Int_t i, nobjects; | |
187 | // | |
188 | nobjects = fHits->GetEntries(); | |
189 | for (i=0;i<nobjects;i++) { | |
190 | obj = fHits->At(i); | |
338da9aa | 191 | snprintf(name,63,"%s_%d",obj->GetName(),i); |
fe4da5cc | 192 | b->Add(obj, &name[0]); |
193 | } | |
194 | } | |
195 | ||
6644b9ca | 196 | //_______________________________________________________________________ |
fe4da5cc | 197 | void AliDetector::FinishRun() |
198 | { | |
199 | // | |
200 | // Procedure called at the end of a run. | |
201 | // | |
202 | } | |
203 | ||
6644b9ca | 204 | //_______________________________________________________________________ |
fe4da5cc | 205 | AliHit* AliDetector::FirstHit(Int_t track) |
206 | { | |
207 | // | |
208 | // Initialise the hit iterator | |
209 | // Return the address of the first hit for track | |
210 | // If track>=0 the track is read from disk | |
211 | // while if track<0 the first hit of the current | |
212 | // track is returned | |
213 | // | |
214 | if(track>=0) { | |
3e2e3ece | 215 | gAlice->GetMCApp()->ResetHits(); //stupid = if N detector this method is called N times |
cb5b8b21 | 216 | fLoader->TreeH()->GetEvent(track); //skowron |
fe4da5cc | 217 | } |
218 | // | |
3a83c716 | 219 | fMaxIterHit=fHits->GetEntriesFast(); |
220 | fCurIterHit=0; | |
221 | if(fMaxIterHit) return dynamic_cast<AliHit*>(fHits->UncheckedAt(0)); | |
fe4da5cc | 222 | else return 0; |
223 | } | |
224 | ||
6644b9ca | 225 | //_______________________________________________________________________ |
fe4da5cc | 226 | AliHit* AliDetector::NextHit() |
227 | { | |
228 | // | |
229 | // Return the next hit for the current track | |
230 | // | |
3a83c716 | 231 | if(fMaxIterHit) { |
232 | if(++fCurIterHit<fMaxIterHit) | |
233 | return dynamic_cast<AliHit*>(fHits->UncheckedAt(fCurIterHit)); | |
fe4da5cc | 234 | else |
235 | return 0; | |
236 | } else { | |
594d8990 | 237 | AliWarning("Hit Iterator called without calling FistHit before"); |
fe4da5cc | 238 | return 0; |
239 | } | |
240 | } | |
6644b9ca | 241 | |
6644b9ca | 242 | //_______________________________________________________________________ |
88cb7938 | 243 | void AliDetector::MakeBranch(Option_t *option) |
fe4da5cc | 244 | { |
245 | // | |
88cb7938 | 246 | // Create a new branch for this detector in its treeH |
fe4da5cc | 247 | // |
88cb7938 | 248 | |
594d8990 | 249 | AliDebug(2,Form(" for %s",GetName())); |
5cf7bbad | 250 | const char *cH = strstr(option,"H"); |
2ab0c725 | 251 | |
cb5b8b21 | 252 | if (fHits && fLoader->TreeH() && cH) |
88cb7938 | 253 | { |
cb5b8b21 | 254 | MakeBranchInTree(fLoader->TreeH(), GetName(), &fHits, fBufferSize, 0); |
88cb7938 | 255 | } |
aab9c8d5 | 256 | } |
fe4da5cc | 257 | |
6644b9ca | 258 | //_______________________________________________________________________ |
fe4da5cc | 259 | void AliDetector::ResetDigits() |
260 | { | |
261 | // | |
262 | // Reset number of digits and the digits array | |
263 | // | |
264 | fNdigits = 0; | |
88cb7938 | 265 | if (fDigits) fDigits->Clear(); |
fe4da5cc | 266 | } |
267 | ||
6644b9ca | 268 | //_______________________________________________________________________ |
fe4da5cc | 269 | void AliDetector::ResetHits() |
270 | { | |
271 | // | |
272 | // Reset number of hits and the hits array | |
273 | // | |
274 | fNhits = 0; | |
88cb7938 | 275 | if (fHits) fHits->Clear(); |
fe4da5cc | 276 | } |
277 | ||
6644b9ca | 278 | //_______________________________________________________________________ |
fe4da5cc | 279 | void AliDetector::SetTreeAddress() |
280 | { | |
281 | // | |
282 | // Set branch address for the Hits and Digits Trees | |
283 | // | |
284 | TBranch *branch; | |
fe4da5cc | 285 | // |
286 | // Branch address for hit tree | |
88cb7938 | 287 | |
cb5b8b21 | 288 | TTree* tree = fLoader->TreeH(); |
88cb7938 | 289 | if (tree && fHits) { |
290 | branch = tree->GetBranch(GetName()); | |
291 | if (branch) | |
292 | { | |
594d8990 | 293 | AliDebug(2,Form("(%s) Setting for Hits",GetName())); |
88cb7938 | 294 | branch->SetAddress(&fHits); |
295 | } | |
296 | else | |
f2a509af | 297 | { //can be invoked before branch creation |
594d8990 | 298 | AliDebug(2,Form("(%s) Failed for Hits. Can not find branch in tree.",GetName())); |
88cb7938 | 299 | } |
fe4da5cc | 300 | } |
88cb7938 | 301 | |
fe4da5cc | 302 | // |
303 | // Branch address for digit tree | |
88cb7938 | 304 | TTree *treeD = fLoader->TreeD(); |
fe4da5cc | 305 | if (treeD && fDigits) { |
88cb7938 | 306 | branch = treeD->GetBranch(GetName()); |
fe4da5cc | 307 | if (branch) branch->SetAddress(&fDigits); |
308 | } | |
309 | } | |
310 | ||
88cb7938 | 311 | //_______________________________________________________________________ |
312 | void AliDetector::MakeTree(Option_t *option) | |
313 | { | |
314 | //makes a tree (container) for the data defined in option | |
315 | //"H" - hits | |
316 | //"D" - digits | |
317 | //"S" - summable digits | |
318 | //"R" - recontructed points and tracks | |
fe4da5cc | 319 | |
88cb7938 | 320 | AliLoader* loader = GetLoader(); |
321 | if (loader == 0x0) | |
322 | { | |
594d8990 | 323 | AliError(Form("Can not get loader for %s",GetName())); |
88cb7938 | 324 | return; |
325 | } | |
326 | loader->MakeTree(option); //delegate this job to getter | |
327 | } | |
328 | ||
329 | //_______________________________________________________________________ | |
330 | AliLoader* AliDetector::MakeLoader(const char* topfoldername) | |
331 | { | |
332 | //builds standard getter (AliLoader type) | |
333 | //if detector wants to use castomized getter, it must overload this method | |
334 | ||
594d8990 | 335 | AliDebug(1,Form("Creating standard getter for detector %s. Top folder is %s.", |
336 | GetName(),topfoldername)); | |
88cb7938 | 337 | |
338 | fLoader = new AliLoader(GetName(),topfoldername); | |
339 | return fLoader; | |
88cb7938 | 340 | } |
341 | ||
88cb7938 | 342 |