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68861244 | 1 | /************************************************************************** |
8e72349e | 2 | * Copyright(c) 1998-2000, ALICE Experiment at CERN, All rights reserved. * |
68861244 | 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 | ||
68861244 | 16 | //_________________________________________________________________________ |
8e72349e | 17 | // This is a TTask that makes TOF-Digits out of TOF-SDigits. |
18 | // The simulation of the detector is performed at sdigits level: | |
19 | // during digitization the unique task is the sum of all sdigits in the | |
20 | // same pad. | |
68861244 | 21 | // Digits are written to TreeD in branch "TOF". |
68861244 | 22 | // |
23 | // -- Author : F. Pierella (Bologna University) pierella@bo.infn.it | |
24 | ////////////////////////////////////////////////////////////////////////////// | |
25 | ||
55cb22a1 | 26 | |
d3c7bfac | 27 | #include <stdlib.h> |
28 | #include <Riostream.h> | |
8e72349e | 29 | #include <TTree.h> |
30 | #include <TVector.h> | |
31 | #include <TObjArray.h> | |
32 | #include <TFile.h> | |
33 | #include <TDirectory.h> | |
34 | #include <TRandom.h> | |
55cb22a1 | 35 | #include "TF1.h" |
36 | #include "TH1F.h" | |
37 | #include "TList.h" | |
38 | #include "TRandom.h" | |
68861244 | 39 | |
d3c7bfac | 40 | #include "AliLog.h" |
41 | #include "AliRun.h" | |
42 | #include "AliRunLoader.h" | |
43 | #include "AliLoader.h" | |
44 | #include "AliDigitizer.h" | |
45 | #include "AliRunDigitizer.h" | |
46 | #include "AliPDG.h" | |
68861244 | 47 | |
0efc163f | 48 | #include "AliTOF.h" |
55cb22a1 | 49 | #include "AliTOFDigitizer.h" |
8e72349e | 50 | #include "AliTOFSDigitizer.h" |
68861244 | 51 | #include "AliTOFhit.h" |
8e72349e | 52 | #include "AliTOFdigit.h" |
53 | #include "AliTOFSDigit.h" | |
54 | #include "AliTOFHitMap.h" | |
55cb22a1 | 55 | #include "AliTOFChannel.h" |
56 | #include "AliTOFCal.h" | |
57 | #include "AliTOFGeometryV5.h" | |
68861244 | 58 | |
59 | ClassImp(AliTOFDigitizer) | |
60 | ||
8e72349e | 61 | //___________________________________________ |
62 | AliTOFDigitizer::AliTOFDigitizer() :AliDigitizer() | |
68861244 | 63 | { |
8e72349e | 64 | // Default ctor - don't use it |
65 | fDigits=0; | |
66 | fSDigitsArray=0; | |
67 | fhitMap=0; | |
55cb22a1 | 68 | fGeom=0x0; |
68861244 | 69 | } |
70 | ||
8e72349e | 71 | //___________________________________________ |
72 | AliTOFDigitizer::AliTOFDigitizer(AliRunDigitizer* manager) | |
73 | :AliDigitizer(manager) | |
68861244 | 74 | { |
8e72349e | 75 | fDigits=0; |
76 | fSDigitsArray=0; | |
77 | fhitMap=0; | |
55cb22a1 | 78 | fGeom=0x0; |
68861244 | 79 | } |
80 | ||
8e72349e | 81 | //------------------------------------------------------------------------ |
68861244 | 82 | AliTOFDigitizer::~AliTOFDigitizer() |
83 | { | |
8e72349e | 84 | // Destructor |
68861244 | 85 | } |
8e72349e | 86 | |
87 | //--------------------------------------------------------------------- | |
88 | ||
d076c8d5 | 89 | void AliTOFDigitizer::Exec(Option_t* /*option*/) |
68861244 | 90 | { |
8e72349e | 91 | // |
92 | // Perform digitization and merging. | |
93 | // The algorithm is the following: | |
94 | // - a hitmap is created to check if a pad is already activated; | |
95 | // - an sdigits container is created to collect all sdigits from | |
96 | // different files; | |
97 | // - sdigits are summed using the hitmap; | |
98 | // - the sdigits container is used to create the array of AliTOFdigit. | |
99 | // | |
68861244 | 100 | |
d076c8d5 | 101 | AliDebug(1, ""); |
68861244 | 102 | |
68861244 | 103 | |
8e72349e | 104 | // get the ptr to TOF detector |
105 | AliTOF * tof = (AliTOF *) gAlice->GetDetector("TOF") ; | |
68861244 | 106 | |
8e72349e | 107 | //Make branches |
108 | char branchname[20]; | |
109 | sprintf (branchname, "%s", tof->GetName ()); | |
110 | ||
111 | fDigits=new TClonesArray("AliTOFdigit",4000); | |
88cb7938 | 112 | |
113 | AliRunLoader* outrl = AliRunLoader::GetRunLoader(fManager->GetOutputFolderName()); | |
114 | if (outrl == 0x0) | |
115 | { | |
d076c8d5 | 116 | AliError("Can not find Run Loader in output folder."); |
88cb7938 | 117 | return; |
118 | } | |
119 | ||
d3c7bfac | 120 | outrl->CdGAFile(); |
121 | TFile *in=(TFile*)gFile; | |
122 | TDirectory *savedir=gDirectory; | |
123 | ||
d3c7bfac | 124 | if (!in->IsOpen()) { |
125 | AliWarning("Geometry file is not open default TOF geometry will be used"); | |
55cb22a1 | 126 | fGeom = new AliTOFGeometryV5(); |
d3c7bfac | 127 | } |
128 | else { | |
129 | in->cd(); | |
55cb22a1 | 130 | fGeom = (AliTOFGeometry*)in->Get("TOFgeometry"); |
d3c7bfac | 131 | } |
132 | ||
133 | savedir->cd(); | |
134 | ||
88cb7938 | 135 | AliLoader* outgime = outrl->GetLoader("TOFLoader"); |
136 | if (outgime == 0x0) | |
137 | { | |
d076c8d5 | 138 | AliError("Can not get TOF Loader from Output Run Loader."); |
88cb7938 | 139 | return; |
140 | } | |
141 | ||
142 | TTree* treeD = outgime->TreeD(); | |
143 | if (treeD == 0x0) | |
144 | { | |
145 | outgime->MakeTree("D"); | |
146 | treeD = outgime->TreeD(); | |
147 | } | |
8e72349e | 148 | //Make branch for digits (to be created in Init()) |
149 | tof->MakeBranchInTree(treeD,branchname,&fDigits,4000); | |
150 | ||
151 | // container for all summed sdigits (to be created in Init()) | |
152 | fSDigitsArray=new TClonesArray("AliTOFSDigit",1000); | |
68861244 | 153 | |
8e72349e | 154 | // create hit map (to be created in Init()) |
55cb22a1 | 155 | fhitMap = new AliTOFHitMap(fSDigitsArray, fGeom); |
68861244 | 156 | |
8e72349e | 157 | // Loop over files to digitize |
158 | ||
159 | for (Int_t inputFile=0; inputFile<fManager->GetNinputs(); | |
160 | inputFile++) { | |
161 | ReadSDigit(inputFile); | |
88cb7938 | 162 | } |
8e72349e | 163 | |
164 | // create digits | |
165 | CreateDigits(); | |
166 | ||
167 | // free used memory for Hit Map in current event | |
168 | delete fhitMap; | |
169 | fSDigitsArray->Delete(); | |
a5c70f8e | 170 | delete fSDigitsArray; |
171 | ||
8e72349e | 172 | treeD->Fill(); |
173 | ||
88cb7938 | 174 | outgime->WriteDigits("OVERWRITE"); |
175 | outgime->UnloadDigits(); | |
8e72349e | 176 | fDigits->Delete(); |
177 | delete fDigits; | |
178 | ||
179 | } | |
180 | ||
181 | //--------------------------------------------------------------------- | |
182 | ||
55cb22a1 | 183 | void AliTOFDigitizer::CreateDigits() |
8e72349e | 184 | { |
185 | // loop on sdigits container to fill the AliTOFdigit TClonesArray | |
186 | // start digitizing all the collected sdigits | |
187 | ||
c7764ee9 | 188 | Int_t ndump=0; // dump the first ndump created digits for each event |
8e72349e | 189 | |
190 | // get the total number of collected sdigits | |
191 | Int_t ndig = fSDigitsArray->GetEntriesFast(); | |
192 | ||
193 | for (Int_t k = 0; k < ndig; k++) { | |
68861244 | 194 | |
da3d3acd | 195 | Int_t vol[5]; // location for a digit |
7e6dce66 | 196 | for (Int_t i=0; i<5; i++) vol[i] = -1; |
68861244 | 197 | |
8e72349e | 198 | // Get the information for this digit |
199 | AliTOFSDigit *tofsdigit = (AliTOFSDigit *) fSDigitsArray->UncheckedAt(k); | |
68861244 | 200 | |
8e72349e | 201 | Int_t nslot=tofsdigit->GetNDigits(); // get the number of slots |
202 | // for current sdigit | |
68861244 | 203 | |
8e72349e | 204 | // TOF sdigit volumes (always the same for all slots) |
da3d3acd | 205 | Int_t sector = tofsdigit->GetSector(); // range [0-17] |
206 | Int_t plate = tofsdigit->GetPlate(); // range [0- 4] | |
d3c7bfac | 207 | Int_t strip = tofsdigit->GetStrip(); // range [0-14/18/19] |
da3d3acd | 208 | Int_t padz = tofsdigit->GetPadz(); // range [0- 1] |
209 | Int_t padx = tofsdigit->GetPadx(); // range [0-47] | |
68861244 | 210 | |
8e72349e | 211 | vol[0] = sector; |
212 | vol[1] = plate; | |
213 | vol[2] = strip; | |
214 | vol[3] = padx; | |
215 | vol[4] = padz; | |
68861244 | 216 | |
8e72349e | 217 | //--------------------- QA section ---------------------- |
218 | // in the while, I perform QA | |
7e6dce66 | 219 | Bool_t isSDigitBad = (sector<0 || sector>17 || plate<0 || plate >4 || padz<0 || padz>1 || padx<0 || padx>47); |
68861244 | 220 | |
8e72349e | 221 | if (isSDigitBad) { |
d3c7bfac | 222 | //AliFatal("strange sdigit found"); |
223 | AliFatal(Form("strange sdigit found %3i %2i %2i %3i %3i", sector, plate, padz, padx, strip)); | |
68861244 | 224 | } |
8e72349e | 225 | //------------------------------------------------------- |
68861244 | 226 | |
8e72349e | 227 | //------------------- Dump section ---------------------- |
228 | if(k<ndump){ | |
229 | cout << k << "-th | " << "Sector " << sector << " | Plate " << plate << " | Strip " << strip << " | PadZ " << padz << " | PadX " << padx << endl; | |
230 | cout << k << "-th sdigit" << endl; | |
231 | cout << "----------------------------------------------------"<< endl; | |
68861244 | 232 | } |
8e72349e | 233 | // ------------------------------------------------------ |
68861244 | 234 | |
8e72349e | 235 | // start loop on number of slots for current sdigit |
236 | for (Int_t islot = 0; islot < nslot; islot++) { | |
237 | Float_t digit[2]; // TOF digit variables | |
238 | Int_t tracknum[kMAXDIGITS]; // contributing tracks for the current slot | |
239 | ||
240 | Float_t tdc=tofsdigit->GetTdc(islot); digit[0]=tdc; | |
241 | Float_t adc=tofsdigit->GetAdc(islot); digit[1]=adc; | |
242 | ||
243 | tracknum[0]=tofsdigit->GetTrack(islot,0); | |
244 | tracknum[1]=tofsdigit->GetTrack(islot,1); | |
245 | tracknum[2]=tofsdigit->GetTrack(islot,2); | |
68861244 | 246 | |
7f1e928b | 247 | // new with placement must be used |
8e72349e | 248 | // adding a TOF digit for each slot |
7f1e928b | 249 | TClonesArray &aDigits = *fDigits; |
250 | Int_t last=fDigits->GetEntriesFast(); | |
251 | new (aDigits[last]) AliTOFdigit(tracknum, vol, digit); | |
252 | ||
68861244 | 253 | } |
68861244 | 254 | |
8e72349e | 255 | } // end loop on sdigits - end digitizing all collected sdigits |
55cb22a1 | 256 | |
257 | //Insert Decalibration | |
258 | ||
259 | AliTOFcalib * calib = new AliTOFcalib(fGeom); | |
260 | InitDecalibration(calib); | |
261 | DecalibrateTOFSignal(calib); | |
262 | delete calib; | |
68861244 | 263 | } |
8e72349e | 264 | |
265 | //--------------------------------------------------------------------- | |
266 | ||
267 | void AliTOFDigitizer::ReadSDigit(Int_t inputFile ) | |
68861244 | 268 | { |
8e72349e | 269 | // Read sdigits for current event and inputFile; |
270 | // store them into the sdigits container | |
271 | // and update the hit map | |
272 | // SDigits from different files are assumed to | |
273 | // be created with the same simulation parameters. | |
68861244 | 274 | |
8e72349e | 275 | // get the treeS from manager |
88cb7938 | 276 | AliRunLoader* rl = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(inputFile)); |
277 | if (rl == 0x0) | |
278 | { | |
d076c8d5 | 279 | AliError(Form("Can not find Run Loader in input %d folder.",inputFile)); |
88cb7938 | 280 | return; |
281 | } | |
282 | ||
283 | AliLoader* gime = rl->GetLoader("TOFLoader"); | |
284 | if (gime == 0x0) | |
285 | { | |
d076c8d5 | 286 | AliError(Form("Can not get TOF Loader from Input %d Run Loader.",inputFile)); |
88cb7938 | 287 | return; |
288 | } | |
289 | ||
290 | TTree* currentTreeS=gime->TreeS(); | |
291 | if (currentTreeS == 0x0) | |
292 | { | |
293 | Int_t retval = gime->LoadSDigits(); | |
294 | if (retval) | |
295 | { | |
d076c8d5 | 296 | AliError(Form("Error occured while loading S. Digits for Input %d",inputFile)); |
88cb7938 | 297 | return; |
298 | } | |
299 | currentTreeS=gime->TreeS(); | |
300 | if (currentTreeS == 0x0) | |
301 | { | |
d076c8d5 | 302 | AliError(Form("Can not get S. Digits Tree for Input %d",inputFile)); |
88cb7938 | 303 | return; |
304 | } | |
305 | } | |
8e72349e | 306 | // get the branch TOF inside the treeS |
307 | TClonesArray * sdigitsDummyContainer= new TClonesArray("AliTOFSDigit", 1000); | |
308 | ||
309 | // check if the branch exist | |
310 | TBranch* tofBranch=currentTreeS->GetBranch("TOF"); | |
311 | ||
312 | if(!tofBranch){ | |
d076c8d5 | 313 | AliFatal(Form("TOF branch not found for input %d",inputFile)); |
8e72349e | 314 | } |
68861244 | 315 | |
8e72349e | 316 | tofBranch->SetAddress(&sdigitsDummyContainer); |
68861244 | 317 | |
8e72349e | 318 | Int_t nEntries = (Int_t)tofBranch->GetEntries(); |
319 | ||
320 | // Loop through all entries in the tree | |
b020b05f | 321 | Int_t nbytes = 0; |
8e72349e | 322 | |
323 | for (Int_t iEntry = 0; iEntry < nEntries; iEntry++) { | |
68861244 | 324 | |
8e72349e | 325 | // Import the tree |
326 | nbytes += tofBranch->GetEvent(iEntry); | |
68861244 | 327 | |
8e72349e | 328 | // Get the number of sdigits |
329 | Int_t ndig = sdigitsDummyContainer->GetEntriesFast(); | |
330 | ||
331 | for (Int_t k=0; k<ndig; k++) { | |
332 | AliTOFSDigit *tofSdigit= (AliTOFSDigit*) sdigitsDummyContainer->UncheckedAt(k); | |
333 | ||
da3d3acd | 334 | Int_t vol[5]; // location for a sdigit |
7e6dce66 | 335 | for (Int_t i=0; i<5; i++) vol[i] = -1; |
da3d3acd | 336 | |
8e72349e | 337 | // check the sdigit volume |
338 | vol[0] = tofSdigit->GetSector(); | |
339 | vol[1] = tofSdigit->GetPlate(); | |
340 | vol[2] = tofSdigit->GetStrip(); | |
341 | vol[3] = tofSdigit->GetPadx(); | |
342 | vol[4] = tofSdigit->GetPadz(); | |
343 | ||
344 | if (fhitMap->TestHit(vol) != kEmpty) { | |
345 | AliTOFSDigit *sdig = static_cast<AliTOFSDigit*>(fhitMap->GetHit(vol)); | |
346 | sdig->Update(tofSdigit); | |
347 | ||
348 | } else { | |
349 | ||
350 | CollectSDigit(tofSdigit); // collect the current sdigit | |
351 | fhitMap->SetHit(vol); // update the hitmap for location vol | |
352 | ||
353 | } // if (hitMap->TestHit(vol) != kEmpty) | |
354 | ||
355 | } // for (Int_t k=0; k<ndig; k++) | |
a5c70f8e | 356 | sdigitsDummyContainer->Delete(); |
8e72349e | 357 | |
358 | } // end loop on entries | |
359 | ||
a5c70f8e | 360 | delete sdigitsDummyContainer; |
8e72349e | 361 | |
362 | } | |
363 | ||
364 | ||
365 | //_____________________________________________________________________________ | |
366 | void AliTOFDigitizer::CollectSDigit(AliTOFSDigit * sdigit) | |
367 | { | |
368 | // | |
7f1e928b | 369 | // Add a TOF sdigit in container |
370 | // new with placement must be used | |
371 | TClonesArray &aSDigitsArray = *fSDigitsArray; | |
372 | Int_t last=fSDigitsArray->GetEntriesFast(); | |
373 | // make a copy of the current sdigit and | |
374 | // put it into tmp array | |
375 | new (aSDigitsArray[last]) AliTOFSDigit(*sdigit); | |
68861244 | 376 | } |
55cb22a1 | 377 | |
378 | //_____________________________________________________________________________ | |
379 | void AliTOFDigitizer::InitDecalibration( AliTOFcalib *calib){ | |
28dd10b6 | 380 | calib->ReadSimParFromCDB("TOF/Calib", 0); |
55cb22a1 | 381 | } |
382 | //--------------------------------------------------------------------- | |
383 | void AliTOFDigitizer::DecalibrateTOFSignal( AliTOFcalib *calib){ | |
384 | ||
385 | // Read Calibration parameters from the CDB | |
386 | ||
387 | AliTOFCal * cal= calib->GetTOFCalSimArray(); | |
388 | ||
389 | AliInfo(Form("Size of AliTOFCal = %i",cal->NPads())); | |
390 | for (Int_t ipad = 0 ; ipad<cal->NPads(); ipad++){ | |
391 | AliTOFChannel *CalChannel = cal->GetChannel(ipad); | |
392 | Float_t par[6]; | |
393 | for (Int_t j = 0; j<6; j++){ | |
394 | par[j]=CalChannel->GetSlewPar(j); | |
395 | } | |
396 | } | |
397 | ||
398 | // Initialize Quantities to Simulate ToT Spectra | |
399 | ||
400 | ||
401 | TH1F * hToT= calib->GetTOFSimToT(); | |
402 | Int_t nbins = hToT->GetNbinsX(); | |
403 | Float_t Delta = hToT->GetBinWidth(1); | |
404 | Float_t maxch = hToT->GetBinLowEdge(nbins)+Delta; | |
405 | Float_t minch = hToT->GetBinLowEdge(1); | |
406 | Float_t max=0,min=0; //maximum and minimum value of the distribution | |
407 | Int_t maxbin=0,minbin=0; //maximum and minimum bin of the distribution | |
408 | for (Int_t ii=nbins; ii>0; ii--){ | |
409 | if (hToT->GetBinContent(ii)!= 0) { | |
410 | max = maxch - (nbins-ii-1)*Delta; | |
411 | maxbin = ii; | |
412 | break;} | |
413 | } | |
414 | for (Int_t j=1; j<nbins; j++){ | |
415 | if (hToT->GetBinContent(j)!= 0) { | |
416 | min = minch + (j-1)*Delta; | |
417 | minbin = j; | |
418 | break;} | |
419 | } | |
420 | Float_t MaxToT=max; | |
421 | Float_t MinToT=min; | |
422 | Float_t MaxToTDistr=hToT->GetMaximum(); | |
423 | ||
424 | ||
425 | // Loop on TOF Digits | |
426 | ||
427 | Bool_t dbEntry=kFALSE; | |
428 | Int_t ndigits = fDigits->GetEntriesFast(); | |
429 | for (Int_t i=0;i<ndigits;i++){ | |
430 | AliTOFdigit * dig = (AliTOFdigit*)fDigits->At(i); | |
431 | Int_t detId[5]; | |
432 | detId[0] = dig->GetSector(); | |
433 | detId[1] = dig->GetPlate(); | |
434 | detId[2] = dig->GetStrip(); | |
435 | detId[3] = dig->GetPadz(); | |
436 | detId[4] = dig->GetPadx(); | |
437 | // For Data with no Miscalibration, set ToT signal == Adc | |
438 | dig->SetToT(dig->GetAdc()); | |
439 | if(hToT->GetEntries()>0){ | |
440 | Float_t trix = 0; | |
441 | Float_t triy = 0; | |
442 | Float_t SimToT = 0; | |
443 | while (SimToT <= triy){ | |
444 | trix = gRandom->Rndm(i); | |
445 | triy = gRandom->Rndm(i); | |
446 | trix = (MaxToT-MinToT)*trix + MinToT; | |
447 | triy = MaxToTDistr*triy; | |
448 | Int_t binx=hToT->FindBin(trix); | |
449 | SimToT=hToT->GetBinContent(binx); | |
450 | } | |
451 | // Setting realistic ToT signal (only for Miscalibrated Data) | |
452 | dig->SetToT(trix); | |
453 | } | |
454 | Int_t index = calib->GetIndex(detId); | |
455 | AliTOFChannel *CalChannel = cal->GetChannel(index); | |
456 | Float_t par[6]; | |
457 | for (Int_t j = 0; j<6; j++){ | |
458 | par[j]=CalChannel->GetSlewPar(j); | |
459 | if(par[j]!=0)dbEntry=kTRUE; | |
460 | } | |
461 | ||
462 | Float_t ToT= dig->GetToT(); | |
463 | dig->SetTdcND(dig->GetTdc()); | |
464 | Float_t tdc = ((dig->GetTdc())*AliTOFGeometry::TdcBinWidth()+32)*1.E-3; //tof signal in ns | |
465 | Float_t timeoffset=par[0] + ToT*par[1] +ToT*ToT*par[2] +ToT*ToT*ToT*par[3] +ToT*ToT*ToT*ToT*par[4] +ToT*ToT*ToT*ToT*ToT*par[5]; | |
466 | Float_t timeSlewed = tdc + timeoffset; | |
467 | // Setting Decalibrated Time signal | |
468 | dig->SetTdc((timeSlewed*1E3-32)/AliTOFGeometry::TdcBinWidth()); | |
469 | } | |
470 | ||
471 | if(hToT->GetEntries()<=0 || !dbEntry){ | |
472 | AliInfo("Standard Production, no miscalibrated digits"); | |
473 | }else{ | |
474 | AliInfo("Miscalibrated digits"); | |
475 | } | |
476 | ||
477 | return; | |
478 | } | |
479 |