Compilation warning removed
[u/mrichter/AliRoot.git] / VZERO / AliVZERO.cxx
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47890cd3 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
88cb7938 16/* $Id$ */
47890cd3 17
18///////////////////////////////////////////////////////////////////////////
19// //
20// V-Zero Detector //
21// This class contains the base procedures for the VZERO detector //
b0d2c2d3 22// Default geometry of November 2003 : V0R box is 4.4 cm thick //
23// scintillators are 2 cm thick //
47890cd3 24// All comments should be sent to Brigitte CHEYNIS : //
61874e87 25// b.cheynis@ipnl.in2p3.fr //
26// //
47890cd3 27// //
28///////////////////////////////////////////////////////////////////////////
29
88cb7938 30
b2501ea3 31// --- Standard libraries ---
3af027ba 32#include <Riostream.h>
b0d2c2d3 33#include <stdlib.h>
47890cd3 34
b2501ea3 35// --- ROOT libraries ---
36#include <TNamed.h>
b0d2c2d3 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"
b2501ea3 45
46// --- AliRoot header files ---
47#include "AliRun.h"
48#include "AliMC.h"
47890cd3 49#include "AliVZERO.h"
b2501ea3 50#include "AliVZEROLoader.h"
b0d2c2d3 51#include "AliVZERODigitizer.h"
52#include "AliVZEROBuffer.h"
53#include "AliRunDigitizer.h"
54#include "AliVZEROdigit.h"
362c9d61 55#include "AliDAQ.h"
20a489c2 56#include "AliRawReader.h"
57#include "AliVZERORawStream.h"
47890cd3 58
59ClassImp(AliVZERO)
0b2bea8b 60 //__________________________________________________________________
61AliVZERO::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}
47890cd3 75//_____________________________________________________________________________
76AliVZERO::AliVZERO(const char *name, const char *title)
0b2bea8b 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)
47890cd3 85{
0b2bea8b 86
47890cd3 87 // Standard constructor for VZERO Detector
0b2bea8b 88
89 AliDebug(1,Form("ctor this=%p",this));
47890cd3 90
b0d2c2d3 91 // fIshunt = 1; // All hits are associated with primary particles
47890cd3 92
61874e87 93 fHits = new TClonesArray("AliVZEROhit", 400);
94 fDigits = new TClonesArray("AliVZEROdigit",400);
95
5d12ce38 96 gAlice->GetMCApp()->AddHitList(fHits);
61874e87 97
0b2bea8b 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;
47890cd3 106
47890cd3 107
61874e87 108}
109
110//_____________________________________________________________________________
111AliVZERO::~AliVZERO()
112{
b2501ea3 113 //
114 // Default destructor for VZERO Detector
115 //
116
61874e87 117 if (fHits) {
118 fHits->Delete();
119 delete fHits;
b0d2c2d3 120 fHits=0; }
b2501ea3 121
122 if (fDigits) {
123 fDigits->Delete();
124 delete fDigits;
b0d2c2d3 125 fDigits=0; }
61874e87 126}
47890cd3 127
128//_____________________________________________________________________________
129void AliVZERO::BuildGeometry()
130{
131 //
b2501ea3 132 // Builds simple ROOT TNode geometry for event display
47890cd3 133 //
134}
135
136//_____________________________________________________________________________
137void AliVZERO::CreateGeometry()
138{
139 //
b2501ea3 140 // Builds simple Geant3 geometry
47890cd3 141 //
142}
143//_____________________________________________________________________________
144void AliVZERO::CreateMaterials()
145{
146 //
b2501ea3 147 // Creates materials used for Geant3 geometry
47890cd3 148 //
149}
61874e87 150
47890cd3 151//_____________________________________________________________________________
652e94c3 152Int_t AliVZERO::DistanceToPrimitive(Int_t /*px*/, Int_t /*py*/)
47890cd3 153{
154 //
b2501ea3 155 // Calculates the distance from the mouse to the VZERO on the screen
47890cd3 156 // Dummy routine
157 //
158
159 return 9999;
160}
161
b2501ea3 162//_____________________________________________________________________________
47890cd3 163void AliVZERO::Init()
164{
165 //
b2501ea3 166 // Initialises the VZERO class after it has been built
47890cd3 167 //
168}
169
61874e87 170
b2501ea3 171//_____________________________________________________________________________
47890cd3 172void AliVZERO::SetMaxStepQua(Float_t p1)
173{
b2501ea3 174 //
175 // Possible parametrisation of steps in active materials
176 //
47890cd3 177 fMaxStepQua = p1;
178}
179
b2501ea3 180//_____________________________________________________________________________
47890cd3 181void AliVZERO::SetMaxStepAlu(Float_t p1)
182{
b2501ea3 183 //
184 // Possible parametrisation of steps in Aluminum foils (not used in
185 // version v2)
186 //
47890cd3 187 fMaxStepAlu = p1;
188}
189
b2501ea3 190//_____________________________________________________________________________
47890cd3 191void AliVZERO::SetMaxDestepQua(Float_t p1)
192{
b2501ea3 193 //
194 // Possible parametrisation of steps in active materials (quartz)
195 //
47890cd3 196 fMaxDestepQua = p1;
197}
198
b2501ea3 199//_____________________________________________________________________________
47890cd3 200void AliVZERO::SetMaxDestepAlu(Float_t p1)
201{
b2501ea3 202 //
203 // Possible parametrisation of steps in Aluminum (not used in
204 // version v2)
205 //
47890cd3 206 fMaxDestepAlu = p1;
207}
4dbb3fd3 208
b2501ea3 209//_____________________________________________________________________________
4dbb3fd3 210AliLoader* AliVZERO::MakeLoader(const char* topfoldername)
211{
b2501ea3 212 //
213 // Builds VZEROgetter (AliLoader type)
4dbb3fd3 214 // if detector wants to use customized getter, it must overload this method
b2501ea3 215 //
3e87825e 216// Info("MakeLoader","Creating AliVZEROLoader. Top folder is %s.",topfoldername);
217
218 AliDebug(1,Form("Creating AliVZEROLoader, Top folder is %s ",topfoldername));
4dbb3fd3 219 fLoader = new AliVZEROLoader(GetName(),topfoldername);
220 return fLoader;
221}
222
b2501ea3 223//_____________________________________________________________________________
224void AliVZERO::SetTreeAddress()
225{
b0d2c2d3 226 //
0e305a84 227 // Sets tree address for hits.
b2501ea3 228 //
0e305a84 229 if (fLoader->TreeH() && (fHits == 0x0))
230 fHits = new TClonesArray("AliVZEROhit", 400);
231
232 AliDetector::SetTreeAddress();
233}
4dbb3fd3 234
b0d2c2d3 235//_____________________________________________________________________________
236AliDigitizer* AliVZERO::CreateDigitizer(AliRunDigitizer* manager) const
237{
238 //
239 // Creates a digitizer for VZERO
240 //
241 return new AliVZERODigitizer(manager);
242}
243
244//_____________________________________________________________________________
245void AliVZERO::Hits2Digits(){
246 //
247 // Converts hits to digits of the current event
248 //
249 // Inputs file name
d3d4a92f 250 const char *alifile = "galice.root";
b0d2c2d3 251
252 // Create the run digitizer
253 AliRunDigitizer* manager = new AliRunDigitizer(1, 1);
254 manager->SetInputStream(0, alifile);
255 manager->SetOutputFile("H2Dfile");
256
257 // Creates the VZERO digitizer
258 AliVZERODigitizer* dig = new AliVZERODigitizer(manager);
259
260 // Creates the digits
261 dig->Exec("");
262
263}
264//_____________________________________________________________________________
265void AliVZERO::Digits2Raw()
266{
c4f89fd4 267 //
268 // Converts digits of the current event to raw data
269 //
b0d2c2d3 270
c4f89fd4 271 AliVZERO *fVZERO = (AliVZERO*)gAlice->GetDetector("VZERO");
272 fLoader->LoadDigits();
273 TTree* digits = fLoader->TreeD();
274 if (!digits) {
275 Error("Digits2Raw", "no digits tree");
276 return;
277 }
278 TClonesArray * VZEROdigits = new TClonesArray("AliVZEROdigit",1000);
279 fVZERO->SetTreeAddress();
280 digits->GetBranch("VZERODigit")->SetAddress(&VZEROdigits);
b0d2c2d3 281
c4f89fd4 282 const char *fileName = AliDAQ::DdlFileName("VZERO",0);
283 AliVZEROBuffer* buffer = new AliVZEROBuffer(fileName);
b0d2c2d3 284
c4f89fd4 285 // Verbose level
286 // 0: Silent
287 // 1: cout messages
288 // 2: txt files with digits
289 // BE CAREFUL, verbose level 2 MUST be used only for debugging and
290 // it is highly suggested to use this mode only for debugging digits files
291 // reasonably small, because otherwise the size of the txt files can reach
292 // quickly several MB wasting time and disk space.
293
294 ofstream ftxt;
295 buffer->SetVerbose(0);
296 Int_t verbose = buffer->GetVerbose();
297
298 // Get Trigger information first
299 // Read trigger inputs from trigger-detector object
300 AliDataLoader * dataLoader = fLoader->GetDigitsDataLoader();
301 if( !dataLoader->IsFileOpen() )
302 dataLoader->OpenFile( "READ" );
303 AliTriggerDetector* trgdet = (AliTriggerDetector*)dataLoader->GetDirectory()->Get( "Trigger" );
304 UInt_t triggerInfo = 0;
305 if(trgdet) {
306 triggerInfo = trgdet->GetMask() & 0xffff;
307 }
308 else {
309 AliError(Form("There is no trigger object for %s",fLoader->GetName()));
310 }
b0d2c2d3 311
c4f89fd4 312 buffer->WriteTriggerInfo((UInt_t)triggerInfo);
313 buffer->WriteTriggerScalers();
314 buffer->WriteBunchNumbers();
315
316 // Now retrieve the channel information: charge+time and
317 // dump it into ADC and Time arrays
318 // We assume here an ordered (by PMNumber) array of
319 // digits!!
726d762c 320
c4f89fd4 321 Int_t nEntries = Int_t(digits->GetEntries());
322 UInt_t ADC[64];
323 Int_t PMNumber[64];
324 UInt_t Time[64];
b0d2c2d3 325
c4f89fd4 326 for (Int_t i = 0; i < nEntries; i++) {
327 fVZERO->ResetDigits();
328 digits->GetEvent(i);
329 Int_t ndig = VZEROdigits->GetEntriesFast();
b0d2c2d3 330
c4f89fd4 331 if(ndig == 0) continue;
332 if(verbose == 2) {ftxt.open("VZEROdigits.txt",ios::app);}
333 for(Int_t k=0; k<ndig; k++){
334 AliVZEROdigit* fVZERODigit = (AliVZEROdigit*) VZEROdigits->At(k);
335 ADC[k] = (UInt_t) fVZERODigit->ADC();
336 PMNumber[k] = fVZERODigit->PMNumber();
337 Time[k] = (UInt_t) fVZERODigit->Time();
338 if(verbose == 1) { cout <<"DDL: "<<fileName<< "\tdigit number: "<< k<<"\tPM number: "
339 <<PMNumber[k]<<"\tADC: "<< ADC[k] << "\tTime: "<< Time[k] << endl;}
340 if(verbose == 2) {
341 ftxt<<"DDL: "<<fileName<< "\tdigit number: "<< k<<"\tPM number: "
342 <<PMNumber[k]<<"\tADC: "<< ADC[k] << "\tTime: "<< Time[k] << endl;}
343// printf("DDL: %s, channel: %d, PM: %d, ADC: %d, Time: %d \n",
344// fileName,k,PMNumber[k],ADC[k],Time[k]);
345 }
346 if(verbose==2) ftxt.close();
347 }
b0d2c2d3 348
c4f89fd4 349 // Now fill raw data
350
351 for (Int_t iCIU = 0; iCIU < 8; iCIU++) {
352
353 // decoding of one Channel Interface Unit numbered iCIU - there are 8 channels per CIU (and 8 CIUs) :
354
355 for(Int_t iChannel_Offset = iCIU*8; iChannel_Offset < (iCIU*8)+8; iChannel_Offset=iChannel_Offset+4) {
356 for(Int_t iChannel = iChannel_Offset; iChannel < iChannel_Offset+4; iChannel++) {
357 buffer->WriteChannel(iChannel, ADC[iChannel], Time[iChannel]);
358 }
359 buffer->WriteBeamFlags();
360 buffer->WriteMBInfo();
361 buffer->WriteMBFlags();
362 buffer->WriteBeamScalers();
363 }
364 for(Int_t kChannel = kChannel=0; kChannel < 8; kChannel++) {
365 buffer->WriteTiming(kChannel, ADC[kChannel], Time[kChannel]);
366 }
726d762c 367
c4f89fd4 368 // End of decoding of one CIU card
369
370 } // end of decoding the eight CIUs
371
b0d2c2d3 372 delete buffer;
c4f89fd4 373 fLoader->UnloadDigits();
b0d2c2d3 374}
375
20a489c2 376//_____________________________________________________________________________
377Bool_t AliVZERO::Raw2SDigits(AliRawReader* rawReader){
378 // Converts the VZERO raw data into digits
379 // The method is used for merging simulated and
380 // real data events
381 TStopwatch timer;
382 timer.Start();
383
384 if(!fLoader) {
385 AliError("no VZERO loader found");
386 return kFALSE; }
387
388 TTree* treeD = fLoader->TreeD();
389 if(!treeD) {
390 fLoader->MakeTree("D");
391 treeD = fLoader->TreeD(); }
392
393 AliVZEROdigit digit;
394 AliVZEROdigit* pdigit = &digit;
395 const Int_t kBufferSize = 4000;
396
397 treeD->Branch("VZERO", "AliVZEROdigit", &pdigit, kBufferSize);
398
399 rawReader->Reset();
400 AliVZERORawStream* rawStream = new AliVZERORawStream(rawReader);
401
402 if (!rawStream->Next()) return kFALSE; // No VZERO data found
403
404 for(Int_t i=0; i<64; i++) {
405 new(pdigit) AliVZEROdigit(i, (Int_t)rawStream->GetADC(i), (Int_t)rawStream->GetTime(i));
406 treeD->Fill();
407 }
408
409// Checks if everything is OK by printing results
410
411// for(int i=0;i<64;i++) {
412// printf("Channel %d : %d %d \n",i,rawStream->GetADC(i),rawStream->GetTime(i)); }
413// treeD->Print(); printf(" \n");
414
415 fLoader->WriteDigits("OVERWRITE");
416 fLoader->UnloadDigits();
417
418 delete rawStream;
419
420 timer.Stop();
421 timer.Print();
422}
423
4dbb3fd3 424