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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 | /* $Id$ */ | |
17 | ||
18 | //Piotr.Skowronski@cern.ch : | |
19 | //Corrections applied in order to compile (only) with new I/O and folder structure | |
20 | //To be implemented correctly by responsible | |
21 | // | |
22 | // Class used to steer | |
23 | // the digitization for ITS | |
24 | // | |
25 | // | |
26 | ||
27 | #include <stdlib.h> | |
28 | #include <Riostream.h> | |
29 | #include <TClonesArray.h> | |
30 | #include <TTree.h> | |
31 | #include <TBranch.h> | |
32 | ||
33 | #include <AliRun.h> | |
34 | #include <AliRunLoader.h> | |
35 | #include <AliLoader.h> | |
36 | #include <AliRunDigitizer.h> | |
37 | #include "AliITSDigitizer.h" | |
38 | #include "AliITSpList.h" | |
39 | #include "AliITSgeom.h" | |
40 | #include "AliITSsimulation.h" | |
41 | #include "AliITSDetType.h" | |
42 | ||
43 | ClassImp(AliITSDigitizer) | |
44 | ||
45 | //______________________________________________________________________ | |
46 | AliITSDigitizer::AliITSDigitizer() : AliDigitizer(){ | |
47 | // Default constructor. Assign fITS since it is never written out from | |
48 | // here. | |
49 | // Inputs: | |
50 | // Option_t * opt Not used | |
51 | // Outputs: | |
52 | // none. | |
53 | // Return: | |
54 | // A blank AliITSDigitizer class. | |
55 | ||
56 | fITS = 0; | |
57 | fModActive = 0; | |
58 | fRoif = -1; | |
59 | fRoiifile = 0; | |
60 | fInit = kFALSE; | |
61 | } | |
62 | //______________________________________________________________________ | |
63 | AliITSDigitizer::AliITSDigitizer(AliRunDigitizer *mngr) : AliDigitizer(mngr){ | |
64 | // Standard constructor. Assign fITS since it is never written out from | |
65 | // here. | |
66 | // Inputs: | |
67 | // Option_t * opt Not used | |
68 | // Outputs: | |
69 | // none. | |
70 | // Return: | |
71 | // An AliItSDigitizer class. | |
72 | ||
73 | fITS = 0; | |
74 | fModActive = 0; | |
75 | fRoif = -1; | |
76 | fRoiifile = 0; | |
77 | fInit = kFALSE; | |
78 | } | |
79 | //______________________________________________________________________ | |
80 | AliITSDigitizer::~AliITSDigitizer(){ | |
81 | // Default destructor. | |
82 | // Inputs: | |
83 | // Option_t * opt Not used | |
84 | // Outputs: | |
85 | // none. | |
86 | // Return: | |
87 | // none. | |
88 | ||
89 | fITS = 0; // don't delete fITS. Done else where. | |
90 | if(fModActive) delete[] fModActive; | |
91 | } | |
92 | //______________________________________________________________________ | |
93 | Bool_t AliITSDigitizer::Init(){ | |
94 | // Initialization. Set up region of interest, if switched on, and | |
95 | // loads ITS and ITSgeom. | |
96 | // Inputs: | |
97 | // none. | |
98 | // Outputs: | |
99 | // none. | |
100 | // Return: | |
101 | // none. | |
102 | ||
103 | fInit = kTRUE; // Assume for now init will work. | |
104 | if(!gAlice) { | |
105 | fITS = 0; | |
106 | fRoiifile = 0; | |
107 | fInit = kFALSE; | |
108 | Warning("Init","gAlice not found"); | |
109 | return fInit; | |
110 | } // end if | |
111 | fITS = (AliITS *)(gAlice->GetDetector("ITS")); | |
112 | if(!fITS){ | |
113 | fRoiifile = 0; | |
114 | fInit = kFALSE; | |
115 | Warning("Init","ITS not found"); | |
116 | return fInit; | |
117 | } else if(fITS->GetITSgeom()){ | |
118 | //cout << "fRoif,fRoiifile="<<fRoif<<" "<<fRoiifile<<endl; | |
119 | fModActive = new Bool_t[fITS->GetITSgeom()->GetIndexMax()]; | |
120 | } else{ | |
121 | fRoiifile = 0; | |
122 | fInit = kFALSE; | |
123 | Warning("Init","ITS geometry not found"); | |
124 | return fInit; | |
125 | } // end if | |
126 | // fModActive needs to be set to a default all kTRUE value | |
127 | for(Int_t i=0;i<fITS->GetITSgeom()->GetIndexMax();i++) fModActive[i] = kTRUE; | |
128 | return fInit; | |
129 | } | |
130 | //______________________________________________________________________ | |
131 | void AliITSDigitizer::Exec(Option_t* opt){ | |
132 | // Main digitization function. | |
133 | // Inputs: | |
134 | // Option_t * opt list of sub detector to digitize. =0 all. | |
135 | // Outputs: | |
136 | // none. | |
137 | // Return: | |
138 | // none. | |
139 | ||
140 | char name[20] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}; | |
141 | char *all; | |
142 | const char *det[3] = {strstr(opt,"SPD"),strstr(opt,"SDD"), | |
143 | strstr(opt,"SSD")}; | |
144 | if( !det[0] && !det[1] && !det[2] ) all = "All"; | |
145 | else all = 0; | |
146 | AliITSsimulation *sim = 0; | |
147 | AliITSDetType *iDetType = 0; | |
148 | static Bool_t setDef = kTRUE; | |
149 | ||
150 | if(!fInit){ | |
151 | Error("Exec","Init not succesfull, aborting."); | |
152 | return; | |
153 | } // end if | |
154 | ||
155 | if( setDef ) fITS->SetDefaultSimulation(); | |
156 | setDef = kFALSE; | |
157 | sprintf(name,"%s",fITS->GetName()); | |
158 | ||
159 | Int_t nfiles = GetManager()->GetNinputs(); | |
160 | Int_t event = GetManager()->GetOutputEventNr(); | |
161 | Int_t size = fITS->GetITSgeom()->GetIndexMax(); | |
162 | Int_t module,id,ifiles,mask; | |
163 | Bool_t lmod; | |
164 | Int_t *fl = new Int_t[nfiles]; | |
165 | fl[0] = fRoiifile; | |
166 | mask = 1; | |
167 | for(id=0;id<nfiles;id++) | |
168 | if(id!=fRoiifile) | |
169 | { | |
170 | // just in case fRoiifile!=0. | |
171 | fl[mask] = id; | |
172 | mask++; | |
173 | } // end for,if | |
174 | TClonesArray * sdig = new TClonesArray( "AliITSpListItem",1000 ); | |
175 | ||
176 | TString loadname(name); | |
177 | loadname+="Loader"; | |
178 | ||
179 | AliRunLoader *inRL = 0x0, *outRL = 0x0; | |
180 | AliLoader *ingime = 0x0, *outgime = 0x0; | |
181 | ||
182 | outRL = AliRunLoader::GetRunLoader(fManager->GetOutputFolderName()); | |
183 | if ( outRL == 0x0) | |
184 | { | |
185 | Error("Exec","Can not get Output Run Loader"); | |
186 | return; | |
187 | } | |
188 | outRL->GetEvent(event); | |
189 | outgime = outRL->GetLoader(loadname); | |
190 | if ( outgime == 0x0) | |
191 | { | |
192 | Error("Exec","Can not get Output ITS Loader"); | |
193 | return; | |
194 | } | |
195 | outgime->LoadDigits("update"); | |
196 | if (outgime->TreeD() == 0x0) outgime->MakeTree("D"); | |
197 | ||
198 | // Digitize | |
199 | fITS->MakeBranchInTreeD(outgime->TreeD()); | |
200 | if(fRoif!=0) Info("AliITSDigitizer","Region of Interest digitization selected"); | |
201 | else Info("AliITSDigitizer","No Region of Interest selected. Digitizing everything"); | |
202 | //cout <<"fModActive="<<fModActive<<" fRoif="<<fRoif; | |
203 | if(fModActive==0) fRoif = 0; // fModActive array must be define for RIO cuts. | |
204 | //cout <<" fRoif="<<fRoif<<endl; | |
205 | ||
206 | for(ifiles=0; ifiles<nfiles; ifiles++ ) | |
207 | { | |
208 | inRL = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(fl[ifiles])); | |
209 | ingime = inRL->GetLoader(loadname); | |
210 | if (ingime->TreeS() == 0x0) ingime->LoadSDigits(); | |
211 | } | |
212 | ||
213 | for(module=0; module<size; module++ ) | |
214 | { | |
215 | if(fModActive && fRoif!=0) if(!fModActive[module]) continue; | |
216 | id = fITS->GetITSgeom()->GetModuleType(module); | |
217 | if(!all && !det[id]) continue; | |
218 | iDetType = fITS->DetType( id ); | |
219 | ||
220 | sim = (AliITSsimulation*)iDetType->GetSimulationModel(); | |
221 | if(!sim) { | |
222 | Error( "Exec", "The simulation class was not instanciated!" ); | |
223 | exit(1); | |
224 | } // end if !sim | |
225 | ||
226 | // Fill the module with the sum of SDigits | |
227 | sim->InitSimulationModule(module, event); | |
228 | //cout << "Module=" << module; | |
229 | for(ifiles=0; ifiles<nfiles; ifiles++ ) | |
230 | { | |
231 | if(fRoif!=0) if(!fModActive[module]) continue; | |
232 | ||
233 | inRL = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(fl[ifiles])); | |
234 | ingime = inRL->GetLoader(loadname); | |
235 | ||
236 | TTree *treeS = ingime->TreeS(); | |
237 | fITS->SetTreeAddress(); | |
238 | ||
239 | if( !(treeS && fITS->GetSDigits()) ) continue; | |
240 | TBranch *brchSDigits = treeS->GetBranch( name ); | |
241 | if( brchSDigits ) | |
242 | { | |
243 | brchSDigits->SetAddress( &sdig ); | |
244 | } else { | |
245 | Error( "Exec", "branch ITS not found in TreeS, input file %d ", | |
246 | ifiles ); | |
247 | return; | |
248 | } // end if brchSDigits | |
249 | sdig->Clear(); | |
250 | mask = GetManager()->GetMask(ifiles); | |
251 | // add summable digits to module | |
252 | brchSDigits->GetEvent( module ); | |
253 | lmod = sim->AddSDigitsToModule(sdig,mask); | |
254 | if(ifiles==0) | |
255 | { | |
256 | fModActive[module] = lmod; | |
257 | } // end if | |
258 | } // end for ifiles | |
259 | //cout << " end ifiles loop" << endl; | |
260 | // Digitize current module sum(SDigits)->Digits | |
261 | sim->FinishSDigitiseModule(); | |
262 | ||
263 | // fills all branches - wasted disk space | |
264 | outgime->TreeD()->Fill(); | |
265 | fITS->ResetDigits(); | |
266 | } // end for module | |
267 | ||
268 | outgime->TreeD()->AutoSave(); | |
269 | outgime->WriteDigits("OVERWRITE"); | |
270 | outgime->UnloadDigits(); | |
271 | ||
272 | for(ifiles=0; ifiles<nfiles; ifiles++ ) | |
273 | { | |
274 | inRL = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(fl[ifiles])); | |
275 | ingime = inRL->GetLoader(loadname); | |
276 | ingime->UnloadSDigits(); | |
277 | } | |
278 | ||
279 | delete[] fl; | |
280 | sdig->Clear(); | |
281 | delete sdig; | |
282 | for(Int_t i=0;i<fITS->GetITSgeom()->GetIndexMax();i++) fModActive[i] = kTRUE; | |
283 | return; | |
284 | } | |
285 | //______________________________________________________________________ | |
286 | void AliITSDigitizer::SetByRegionOfInterest(TTree *ts){ | |
287 | // Scans through the ITS branch of the SDigits tree, ts, for modules | |
288 | // which have SDigits in them. For these modules, a flag is set to | |
289 | // digitize only these modules. The value of fRoif determines how many | |
290 | // neighboring modules will also be turned on. fRoif=0 will turn on only | |
291 | // those modules with SDigits in them. fRoif=1 will turn on, in addition, | |
292 | // those modules that are +-1 module from the one with the SDigits. And | |
293 | // So on. This last feature is not supported yet. | |
294 | // Inputs: | |
295 | // TTree *ts The tree in which the existing SDigits will define the | |
296 | // region of interest. | |
297 | // Outputs: | |
298 | // none. | |
299 | // Return: | |
300 | // none. | |
301 | Int_t m,nm,i; | |
302 | ||
303 | if(fRoif==0) return; | |
304 | if(ts==0) return; | |
305 | TBranch *brchSDigits = ts->GetBranch(fITS->GetName()); | |
306 | TClonesArray * sdig = new TClonesArray( "AliITSpListItem",1000 ); | |
307 | //cout << "Region of Interest ts="<<ts<<" brchSDigits="<<brchSDigits<<" sdig="<<sdig<<endl; | |
308 | ||
309 | if( brchSDigits ) { | |
310 | brchSDigits->SetAddress( &sdig ); | |
311 | } else { | |
312 | Error( "SetByRegionOfInterest","branch ITS not found in TreeS"); | |
313 | return; | |
314 | } // end if brchSDigits | |
315 | ||
316 | nm = fITS->GetITSgeom()->GetIndexMax(); | |
317 | for(m=0;m<nm;m++){ | |
318 | //cout << " fModActive["<<m<<"]="; | |
319 | fModActive[m] = kFALSE; // Not active by default | |
320 | sdig->Clear(); | |
321 | brchSDigits->GetEvent(m); | |
322 | if(sdig->GetLast()>=0) for(i=0;i<sdig->GetLast();i++){ | |
323 | // activate the necessary modules | |
324 | if(((AliITSpList*)sdig->At(m))->GetpListItem(i)->GetSignal()>0.0){ // Must have non zero signal. | |
325 | fModActive[m] = kTRUE; | |
326 | break; | |
327 | } // end if | |
328 | } // end if. end for i. | |
329 | //cout << fModActive[m]; | |
330 | //cout << endl; | |
331 | } // end for m | |
332 | Info("AliITSDigitizer","Digitization by Region of Interest selected"); | |
333 | sdig->Clear(); | |
334 | delete sdig; | |
335 | return; | |
336 | } |