]>
Commit | Line | Data |
---|---|---|
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 | /////////////////////////////////////////////////////////////////////////// | |
19 | // // | |
20 | // V-Zero Detector // | |
21 | // This class contains the base procedures for the VZERO detector // | |
22 | // Default geometry of November 2003 : V0R box is 4.4 cm thick // | |
23 | // scintillators are 2 cm thick // | |
24 | // All comments should be sent to Brigitte CHEYNIS : // | |
25 | // b.cheynis@ipnl.in2p3.fr // | |
26 | // // | |
27 | // // | |
28 | /////////////////////////////////////////////////////////////////////////// | |
29 | ||
30 | ||
31 | // --- Standard libraries --- | |
32 | #include <Riostream.h> | |
33 | #include <stdlib.h> | |
34 | ||
35 | // --- ROOT libraries --- | |
36 | #include <TNamed.h> | |
37 | #include "TROOT.h" | |
38 | #include "TFile.h" | |
39 | #include "TNetFile.h" | |
40 | #include "TRandom.h" | |
41 | #include "TTree.h" | |
42 | #include "TBranch.h" | |
43 | #include "TClonesArray.h" | |
44 | #include "TStopwatch.h" | |
45 | ||
46 | // --- AliRoot header files --- | |
47 | #include "AliRun.h" | |
48 | #include "AliMC.h" | |
49 | #include "AliVZERO.h" | |
50 | #include "AliVZEROLoader.h" | |
51 | #include "AliVZERODigitizer.h" | |
52 | #include "AliVZEROBuffer.h" | |
53 | #include "AliRunDigitizer.h" | |
54 | #include "AliVZEROdigit.h" | |
55 | #include "AliDAQ.h" | |
56 | #include "AliRawReader.h" | |
57 | #include "AliVZERORawStream.h" | |
58 | ||
59 | ClassImp(AliVZERO) | |
60 | //__________________________________________________________________ | |
61 | AliVZERO::AliVZERO(): AliDetector(), | |
62 | fIdSens1(0), | |
63 | fThickness(0.), | |
64 | fThickness1(0.), | |
65 | fMaxStepQua(0.), | |
66 | fMaxStepAlu(0.), | |
67 | fMaxDestepQua(0.), | |
68 | fMaxDestepAlu(0.) | |
69 | { | |
70 | /// Default Constructor | |
71 | ||
72 | AliDebug(1,Form("default (empty) ctor this=%p",this)); | |
73 | fIshunt = 0; | |
74 | } | |
75 | //_____________________________________________________________________________ | |
76 | AliVZERO::AliVZERO(const char *name, const char *title) | |
77 | : AliDetector(name,title), | |
78 | fIdSens1(0), | |
79 | fThickness(4.4), | |
80 | fThickness1(2.0), | |
81 | fMaxStepQua(0.05), | |
82 | fMaxStepAlu(0.01), | |
83 | fMaxDestepQua(-1.0), | |
84 | fMaxDestepAlu(-1.0) | |
85 | { | |
86 | ||
87 | // Standard constructor for VZERO Detector | |
88 | ||
89 | AliDebug(1,Form("ctor this=%p",this)); | |
90 | ||
91 | // fIshunt = 1; // All hits are associated with primary particles | |
92 | ||
93 | fHits = new TClonesArray("AliVZEROhit", 400); | |
94 | fDigits = new TClonesArray("AliVZEROdigit",400); | |
95 | ||
96 | gAlice->GetMCApp()->AddHitList(fHits); | |
97 | ||
98 | // fThickness = 4.4; // total thickness of the V0R box in cm | |
99 | // fThickness1 = 2.0; // thickness of scintillating cells in cm | |
100 | // | |
101 | // fMaxStepQua = 0.05; | |
102 | // fMaxStepAlu = 0.01; | |
103 | // | |
104 | // fMaxDestepQua = -1.0; | |
105 | // fMaxDestepAlu = -1.0; | |
106 | ||
107 | ||
108 | } | |
109 | ||
110 | //_____________________________________________________________________________ | |
111 | AliVZERO::~AliVZERO() | |
112 | { | |
113 | // | |
114 | // Default destructor for VZERO Detector | |
115 | // | |
116 | ||
117 | if (fHits) { | |
118 | fHits->Delete(); | |
119 | delete fHits; | |
120 | fHits=0; } | |
121 | ||
122 | if (fDigits) { | |
123 | fDigits->Delete(); | |
124 | delete fDigits; | |
125 | fDigits=0; } | |
126 | } | |
127 | ||
128 | //_____________________________________________________________________________ | |
129 | void AliVZERO::CreateGeometry() | |
130 | { | |
131 | // | |
132 | // Builds simple Geant3 geometry | |
133 | // | |
134 | } | |
135 | //_____________________________________________________________________________ | |
136 | void AliVZERO::CreateMaterials() | |
137 | { | |
138 | // | |
139 | // Creates materials used for Geant3 geometry | |
140 | // | |
141 | } | |
142 | ||
143 | //_____________________________________________________________________________ | |
144 | void AliVZERO::Init() | |
145 | { | |
146 | // | |
147 | // Initialises the VZERO class after it has been built | |
148 | // | |
149 | } | |
150 | ||
151 | ||
152 | //_____________________________________________________________________________ | |
153 | void AliVZERO::SetMaxStepQua(Float_t p1) | |
154 | { | |
155 | // | |
156 | // Possible parametrisation of steps in active materials | |
157 | // | |
158 | fMaxStepQua = p1; | |
159 | } | |
160 | ||
161 | //_____________________________________________________________________________ | |
162 | void AliVZERO::SetMaxStepAlu(Float_t p1) | |
163 | { | |
164 | // | |
165 | // Possible parametrisation of steps in Aluminum foils (not used in | |
166 | // version v2) | |
167 | // | |
168 | fMaxStepAlu = p1; | |
169 | } | |
170 | ||
171 | //_____________________________________________________________________________ | |
172 | void AliVZERO::SetMaxDestepQua(Float_t p1) | |
173 | { | |
174 | // | |
175 | // Possible parametrisation of steps in active materials (quartz) | |
176 | // | |
177 | fMaxDestepQua = p1; | |
178 | } | |
179 | ||
180 | //_____________________________________________________________________________ | |
181 | void AliVZERO::SetMaxDestepAlu(Float_t p1) | |
182 | { | |
183 | // | |
184 | // Possible parametrisation of steps in Aluminum (not used in | |
185 | // version v2) | |
186 | // | |
187 | fMaxDestepAlu = p1; | |
188 | } | |
189 | ||
190 | //_____________________________________________________________________________ | |
191 | AliLoader* AliVZERO::MakeLoader(const char* topfoldername) | |
192 | { | |
193 | // | |
194 | // Builds VZEROgetter (AliLoader type) | |
195 | // if detector wants to use customized getter, it must overload this method | |
196 | // | |
197 | // Info("MakeLoader","Creating AliVZEROLoader. Top folder is %s.",topfoldername); | |
198 | ||
199 | AliDebug(1,Form("Creating AliVZEROLoader, Top folder is %s ",topfoldername)); | |
200 | fLoader = new AliVZEROLoader(GetName(),topfoldername); | |
201 | return fLoader; | |
202 | } | |
203 | ||
204 | //_____________________________________________________________________________ | |
205 | void AliVZERO::SetTreeAddress() | |
206 | { | |
207 | // | |
208 | // Sets tree address for hits. | |
209 | // | |
210 | if (fLoader->TreeH() && (fHits == 0x0)) | |
211 | fHits = new TClonesArray("AliVZEROhit", 400); | |
212 | ||
213 | AliDetector::SetTreeAddress(); | |
214 | } | |
215 | ||
216 | //_____________________________________________________________________________ | |
217 | AliDigitizer* AliVZERO::CreateDigitizer(AliRunDigitizer* manager) const | |
218 | { | |
219 | // | |
220 | // Creates a digitizer for VZERO | |
221 | // | |
222 | return new AliVZERODigitizer(manager); | |
223 | } | |
224 | ||
225 | //_____________________________________________________________________________ | |
226 | void AliVZERO::Hits2Digits(){ | |
227 | // | |
228 | // Converts hits to digits of the current event | |
229 | // | |
230 | // Inputs file name | |
231 | const char *alifile = "galice.root"; | |
232 | ||
233 | // Create the run digitizer | |
234 | AliRunDigitizer* manager = new AliRunDigitizer(1, 1); | |
235 | manager->SetInputStream(0, alifile); | |
236 | manager->SetOutputFile("H2Dfile"); | |
237 | ||
238 | // Creates the VZERO digitizer | |
239 | AliVZERODigitizer* dig = new AliVZERODigitizer(manager); | |
240 | ||
241 | // Creates the digits | |
242 | dig->Exec(""); | |
243 | ||
244 | } | |
245 | //_____________________________________________________________________________ | |
246 | void AliVZERO::Digits2Raw() | |
247 | { | |
248 | // | |
249 | // Converts digits of the current event to raw data | |
250 | // | |
251 | ||
252 | AliVZERO *fVZERO = (AliVZERO*)gAlice->GetDetector("VZERO"); | |
253 | fLoader->LoadDigits(); | |
254 | TTree* digits = fLoader->TreeD(); | |
255 | if (!digits) { | |
256 | Error("Digits2Raw", "no digits tree"); | |
257 | return; | |
258 | } | |
259 | TClonesArray * VZEROdigits = new TClonesArray("AliVZEROdigit",1000); | |
260 | fVZERO->SetTreeAddress(); | |
261 | digits->GetBranch("VZERODigit")->SetAddress(&VZEROdigits); | |
262 | ||
263 | const char *fileName = AliDAQ::DdlFileName("VZERO",0); | |
264 | AliVZEROBuffer* buffer = new AliVZEROBuffer(fileName); | |
265 | ||
266 | // Verbose level | |
267 | // 0: Silent | |
268 | // 1: cout messages | |
269 | // 2: txt files with digits | |
270 | // BE CAREFUL, verbose level 2 MUST be used only for debugging and | |
271 | // it is highly suggested to use this mode only for debugging digits files | |
272 | // reasonably small, because otherwise the size of the txt files can reach | |
273 | // quickly several MB wasting time and disk space. | |
274 | ||
275 | ofstream ftxt; | |
276 | buffer->SetVerbose(0); | |
277 | Int_t verbose = buffer->GetVerbose(); | |
278 | ||
279 | // Get Trigger information first | |
280 | // Read trigger inputs from trigger-detector object | |
281 | AliDataLoader * dataLoader = fLoader->GetDigitsDataLoader(); | |
282 | if( !dataLoader->IsFileOpen() ) | |
283 | dataLoader->OpenFile( "READ" ); | |
284 | AliTriggerDetector* trgdet = (AliTriggerDetector*)dataLoader->GetDirectory()->Get( "Trigger" ); | |
285 | UInt_t triggerInfo = 0; | |
286 | if(trgdet) { | |
287 | triggerInfo = trgdet->GetMask() & 0xffff; | |
288 | } | |
289 | else { | |
290 | AliError(Form("There is no trigger object for %s",fLoader->GetName())); | |
291 | } | |
292 | ||
293 | buffer->WriteTriggerInfo((UInt_t)triggerInfo); | |
294 | buffer->WriteTriggerScalers(); | |
295 | buffer->WriteBunchNumbers(); | |
296 | ||
297 | // Now retrieve the channel information: charge+time and | |
298 | // dump it into ADC and Time arrays | |
299 | // We assume here an ordered (by PMNumber) array of | |
300 | // digits!! | |
301 | ||
302 | Int_t nEntries = Int_t(digits->GetEntries()); | |
303 | UInt_t ADC[64]; | |
304 | Int_t PMNumber[64]; | |
305 | UInt_t Time[64]; | |
306 | ||
307 | for (Int_t i = 0; i < nEntries; i++) { | |
308 | fVZERO->ResetDigits(); | |
309 | digits->GetEvent(i); | |
310 | Int_t ndig = VZEROdigits->GetEntriesFast(); | |
311 | ||
312 | if(ndig == 0) continue; | |
313 | if(verbose == 2) {ftxt.open("VZEROdigits.txt",ios::app);} | |
314 | for(Int_t k=0; k<ndig; k++){ | |
315 | AliVZEROdigit* fVZERODigit = (AliVZEROdigit*) VZEROdigits->At(k); | |
316 | // Convert aliroot channel k into FEE channel iChannel before writing data | |
317 | Int_t iChannel = buffer->GetOnlineChannel(k); | |
318 | ADC[iChannel] = (UInt_t) fVZERODigit->ADC(); | |
319 | PMNumber[iChannel] = fVZERODigit->PMNumber(); | |
320 | Time[iChannel] = (UInt_t) fVZERODigit->Time(); | |
321 | if(verbose == 1) { cout <<"DDL: "<<fileName<< "\tdigit number: "<< k<<"\tPM number: " | |
322 | <<PMNumber[k]<<"\tADC: "<< ADC[k] << "\tTime: "<< Time[k] << endl;} | |
323 | if(verbose == 2) { | |
324 | ftxt<<"DDL: "<<fileName<< "\tdigit number: "<< k<<"\tPM number: " | |
325 | <<PMNumber[k]<<"\tADC: "<< ADC[k] << "\tTime: "<< Time[k] << endl;} | |
326 | // printf("DDL: %s, channel: %d, PM: %d, ADC: %d, Time: %d \n", | |
327 | // fileName,k,PMNumber[k],ADC[k],Time[k]); | |
328 | } | |
329 | if(verbose==2) ftxt.close(); | |
330 | } | |
331 | ||
332 | // Now fill raw data | |
333 | ||
334 | for (Int_t iCIU = 0; iCIU < 8; iCIU++) { | |
335 | ||
336 | // decoding of one Channel Interface Unit numbered iCIU - there are 8 channels per CIU (and 8 CIUs) : | |
337 | ||
338 | for(Int_t iChannel_Offset = iCIU*8; iChannel_Offset < (iCIU*8)+8; iChannel_Offset=iChannel_Offset+4) { | |
339 | for(Int_t iChannel = iChannel_Offset; iChannel < iChannel_Offset+4; iChannel++) { | |
340 | buffer->WriteChannel(iChannel, ADC[iChannel], Time[iChannel]); | |
341 | } | |
342 | buffer->WriteBeamFlags(); | |
343 | buffer->WriteMBInfo(); | |
344 | buffer->WriteMBFlags(); | |
345 | buffer->WriteBeamScalers(); | |
346 | } | |
347 | for(Int_t iChannel=0; iChannel < 8; iChannel++) { | |
348 | buffer->WriteTiming(iChannel, ADC[iChannel], Time[iChannel]); | |
349 | } | |
350 | ||
351 | // End of decoding of one CIU card | |
352 | ||
353 | } // end of decoding the eight CIUs | |
354 | ||
355 | delete buffer; | |
356 | fLoader->UnloadDigits(); | |
357 | } | |
358 | ||
359 | //_____________________________________________________________________________ | |
360 | Bool_t AliVZERO::Raw2SDigits(AliRawReader* rawReader){ | |
361 | // Converts the VZERO raw data into digits | |
362 | // The method is used for merging simulated and | |
363 | // real data events | |
364 | TStopwatch timer; | |
365 | timer.Start(); | |
366 | ||
367 | if(!fLoader) { | |
368 | AliError("no VZERO loader found"); | |
369 | return kFALSE; } | |
370 | ||
371 | TTree* treeD = fLoader->TreeD(); | |
372 | if(!treeD) { | |
373 | fLoader->MakeTree("D"); | |
374 | treeD = fLoader->TreeD(); } | |
375 | ||
376 | AliVZEROdigit digit; | |
377 | AliVZEROdigit* pdigit = &digit; | |
378 | const Int_t kBufferSize = 4000; | |
379 | ||
380 | treeD->Branch("VZERO", "AliVZEROdigit", &pdigit, kBufferSize); | |
381 | ||
382 | rawReader->Reset(); | |
383 | AliVZERORawStream* rawStream = new AliVZERORawStream(rawReader); | |
384 | ||
385 | if (!rawStream->Next()) return kFALSE; // No VZERO data found | |
386 | ||
387 | for(Int_t i=0; i<64; i++) { | |
388 | new(pdigit) AliVZEROdigit(i, (Int_t)rawStream->GetADC(i), (Int_t)rawStream->GetTime(i)); | |
389 | treeD->Fill(); | |
390 | } | |
391 | ||
392 | // Checks if everything is OK by printing results | |
393 | ||
394 | // for(int i=0;i<64;i++) { | |
395 | // printf("Channel %d : %d %d \n",i,rawStream->GetADC(i),rawStream->GetTime(i)); } | |
396 | // treeD->Print(); printf(" \n"); | |
397 | ||
398 | fLoader->WriteDigits("OVERWRITE"); | |
399 | fLoader->UnloadDigits(); | |
400 | ||
401 | delete rawStream; | |
402 | ||
403 | timer.Stop(); | |
404 | timer.Print(); | |
405 | return kTRUE; | |
406 | } | |
407 | ||
408 |