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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 | ||
8e72349e | 26 | #include <TTree.h> |
27 | #include <TVector.h> | |
28 | #include <TObjArray.h> | |
29 | #include <TFile.h> | |
30 | #include <TDirectory.h> | |
31 | #include <TRandom.h> | |
68861244 | 32 | |
68861244 | 33 | |
8e72349e | 34 | #include "AliTOFDigitizer.h" |
0efc163f | 35 | #include "AliTOF.h" |
8e72349e | 36 | #include "AliTOFSDigitizer.h" |
68861244 | 37 | #include "AliTOFhit.h" |
8e72349e | 38 | #include "AliTOFdigit.h" |
39 | #include "AliTOFSDigit.h" | |
40 | #include "AliTOFHitMap.h" | |
41 | #include "AliDigitizer.h" | |
42 | #include "AliRunDigitizer.h" | |
68861244 | 43 | |
8e72349e | 44 | #include "AliRun.h" |
88cb7938 | 45 | #include "AliRunLoader.h" |
46 | #include "AliLoader.h" | |
8e72349e | 47 | #include "AliPDG.h" |
48 | ||
49 | #include <stdlib.h> | |
f8014e68 | 50 | #include <Riostream.h> |
68861244 | 51 | |
52 | ClassImp(AliTOFDigitizer) | |
53 | ||
8e72349e | 54 | //___________________________________________ |
55 | AliTOFDigitizer::AliTOFDigitizer() :AliDigitizer() | |
68861244 | 56 | { |
8e72349e | 57 | // Default ctor - don't use it |
58 | fDigits=0; | |
59 | fSDigitsArray=0; | |
60 | fhitMap=0; | |
68861244 | 61 | } |
62 | ||
8e72349e | 63 | //___________________________________________ |
64 | AliTOFDigitizer::AliTOFDigitizer(AliRunDigitizer* manager) | |
65 | :AliDigitizer(manager) | |
68861244 | 66 | { |
8e72349e | 67 | fDigits=0; |
68 | fSDigitsArray=0; | |
69 | fhitMap=0; | |
68861244 | 70 | } |
71 | ||
8e72349e | 72 | //------------------------------------------------------------------------ |
68861244 | 73 | AliTOFDigitizer::~AliTOFDigitizer() |
74 | { | |
8e72349e | 75 | // Destructor |
68861244 | 76 | } |
8e72349e | 77 | |
78 | //--------------------------------------------------------------------- | |
79 | ||
80 | void AliTOFDigitizer::Exec(Option_t* option) | |
68861244 | 81 | { |
8e72349e | 82 | // |
83 | // Perform digitization and merging. | |
84 | // The algorithm is the following: | |
85 | // - a hitmap is created to check if a pad is already activated; | |
86 | // - an sdigits container is created to collect all sdigits from | |
87 | // different files; | |
88 | // - sdigits are summed using the hitmap; | |
89 | // - the sdigits container is used to create the array of AliTOFdigit. | |
90 | // | |
68861244 | 91 | |
8e72349e | 92 | if(strstr(option,"deb")) cout<<"AliTOFDigitizer::Exec\n"; |
68861244 | 93 | |
68861244 | 94 | |
8e72349e | 95 | // get the ptr to TOF detector |
96 | AliTOF * tof = (AliTOF *) gAlice->GetDetector("TOF") ; | |
68861244 | 97 | |
8e72349e | 98 | //Make branches |
99 | char branchname[20]; | |
100 | sprintf (branchname, "%s", tof->GetName ()); | |
101 | ||
102 | fDigits=new TClonesArray("AliTOFdigit",4000); | |
88cb7938 | 103 | |
104 | AliRunLoader* outrl = AliRunLoader::GetRunLoader(fManager->GetOutputFolderName()); | |
105 | if (outrl == 0x0) | |
106 | { | |
107 | Error("Exec","Can not find Run Loader in output folder."); | |
108 | return; | |
109 | } | |
110 | ||
111 | AliLoader* outgime = outrl->GetLoader("TOFLoader"); | |
112 | if (outgime == 0x0) | |
113 | { | |
114 | Error("Exec","Can not get TOF Loader from Output Run Loader."); | |
115 | return; | |
116 | } | |
117 | ||
118 | TTree* treeD = outgime->TreeD(); | |
119 | if (treeD == 0x0) | |
120 | { | |
121 | outgime->MakeTree("D"); | |
122 | treeD = outgime->TreeD(); | |
123 | } | |
8e72349e | 124 | //Make branch for digits (to be created in Init()) |
125 | tof->MakeBranchInTree(treeD,branchname,&fDigits,4000); | |
126 | ||
127 | // container for all summed sdigits (to be created in Init()) | |
128 | fSDigitsArray=new TClonesArray("AliTOFSDigit",1000); | |
68861244 | 129 | |
8e72349e | 130 | // create hit map (to be created in Init()) |
131 | fhitMap = new AliTOFHitMap(fSDigitsArray); | |
68861244 | 132 | |
8e72349e | 133 | // Loop over files to digitize |
134 | ||
135 | for (Int_t inputFile=0; inputFile<fManager->GetNinputs(); | |
136 | inputFile++) { | |
137 | ReadSDigit(inputFile); | |
88cb7938 | 138 | } |
8e72349e | 139 | |
140 | // create digits | |
141 | CreateDigits(); | |
142 | ||
143 | // free used memory for Hit Map in current event | |
144 | delete fhitMap; | |
145 | fSDigitsArray->Delete(); | |
146 | treeD->Fill(); | |
147 | ||
88cb7938 | 148 | outgime->WriteDigits("OVERWRITE"); |
149 | outgime->UnloadDigits(); | |
8e72349e | 150 | fDigits->Delete(); |
151 | delete fDigits; | |
152 | ||
153 | } | |
154 | ||
155 | //--------------------------------------------------------------------- | |
156 | ||
157 | void AliTOFDigitizer::CreateDigits() | |
158 | { | |
159 | // loop on sdigits container to fill the AliTOFdigit TClonesArray | |
160 | // start digitizing all the collected sdigits | |
161 | ||
162 | Int_t ndump=15; // dump the first ndump created digits for each event | |
163 | ||
164 | // get the total number of collected sdigits | |
165 | Int_t ndig = fSDigitsArray->GetEntriesFast(); | |
166 | ||
167 | for (Int_t k = 0; k < ndig; k++) { | |
68861244 | 168 | |
8e72349e | 169 | Int_t vol[5]; // location for a digit |
68861244 | 170 | |
8e72349e | 171 | // Get the information for this digit |
172 | AliTOFSDigit *tofsdigit = (AliTOFSDigit *) fSDigitsArray->UncheckedAt(k); | |
68861244 | 173 | |
8e72349e | 174 | Int_t nslot=tofsdigit->GetNDigits(); // get the number of slots |
175 | // for current sdigit | |
68861244 | 176 | |
8e72349e | 177 | // TOF sdigit volumes (always the same for all slots) |
178 | Int_t sector = tofsdigit->GetSector(); // range [1-18] | |
179 | Int_t plate = tofsdigit->GetPlate(); // range [1- 5] | |
180 | Int_t strip = tofsdigit->GetStrip(); // range [1-20] | |
181 | Int_t padz = tofsdigit->GetPadz(); // range [1- 2] | |
182 | Int_t padx = tofsdigit->GetPadx(); // range [1-48] | |
68861244 | 183 | |
8e72349e | 184 | vol[0] = sector; |
185 | vol[1] = plate; | |
186 | vol[2] = strip; | |
187 | vol[3] = padx; | |
188 | vol[4] = padz; | |
68861244 | 189 | |
8e72349e | 190 | //--------------------- QA section ---------------------- |
191 | // in the while, I perform QA | |
192 | Bool_t isSDigitBad = (sector<1 || sector>18 || plate<1 || plate >5 || padz<1 || padz>2 || padx<1 || padx>48); | |
68861244 | 193 | |
8e72349e | 194 | if (isSDigitBad) { |
195 | cout << "<AliTOFSDigits2Digits> strange sdigit found" << endl; | |
196 | abort(); | |
68861244 | 197 | } |
8e72349e | 198 | //------------------------------------------------------- |
68861244 | 199 | |
8e72349e | 200 | //------------------- Dump section ---------------------- |
201 | if(k<ndump){ | |
202 | cout << k << "-th | " << "Sector " << sector << " | Plate " << plate << " | Strip " << strip << " | PadZ " << padz << " | PadX " << padx << endl; | |
203 | cout << k << "-th sdigit" << endl; | |
204 | cout << "----------------------------------------------------"<< endl; | |
68861244 | 205 | } |
8e72349e | 206 | // ------------------------------------------------------ |
68861244 | 207 | |
8e72349e | 208 | // start loop on number of slots for current sdigit |
209 | for (Int_t islot = 0; islot < nslot; islot++) { | |
210 | Float_t digit[2]; // TOF digit variables | |
211 | Int_t tracknum[kMAXDIGITS]; // contributing tracks for the current slot | |
212 | ||
213 | Float_t tdc=tofsdigit->GetTdc(islot); digit[0]=tdc; | |
214 | Float_t adc=tofsdigit->GetAdc(islot); digit[1]=adc; | |
215 | ||
216 | tracknum[0]=tofsdigit->GetTrack(islot,0); | |
217 | tracknum[1]=tofsdigit->GetTrack(islot,1); | |
218 | tracknum[2]=tofsdigit->GetTrack(islot,2); | |
68861244 | 219 | |
7f1e928b | 220 | // new with placement must be used |
8e72349e | 221 | // adding a TOF digit for each slot |
7f1e928b | 222 | TClonesArray &aDigits = *fDigits; |
223 | Int_t last=fDigits->GetEntriesFast(); | |
224 | new (aDigits[last]) AliTOFdigit(tracknum, vol, digit); | |
225 | ||
68861244 | 226 | } |
68861244 | 227 | |
8e72349e | 228 | } // end loop on sdigits - end digitizing all collected sdigits |
229 | ||
68861244 | 230 | } |
8e72349e | 231 | |
232 | //--------------------------------------------------------------------- | |
233 | ||
234 | void AliTOFDigitizer::ReadSDigit(Int_t inputFile ) | |
68861244 | 235 | { |
8e72349e | 236 | // Read sdigits for current event and inputFile; |
237 | // store them into the sdigits container | |
238 | // and update the hit map | |
239 | // SDigits from different files are assumed to | |
240 | // be created with the same simulation parameters. | |
68861244 | 241 | |
8e72349e | 242 | // get the treeS from manager |
88cb7938 | 243 | AliRunLoader* rl = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(inputFile)); |
244 | if (rl == 0x0) | |
245 | { | |
246 | Error("ReadSDigit","Can not find Run Loader in input %d folder.",inputFile); | |
247 | return; | |
248 | } | |
249 | ||
250 | AliLoader* gime = rl->GetLoader("TOFLoader"); | |
251 | if (gime == 0x0) | |
252 | { | |
253 | Error("ReadSDigit","Can not get TOF Loader from Input %d Run Loader.",inputFile); | |
254 | return; | |
255 | } | |
256 | ||
257 | TTree* currentTreeS=gime->TreeS(); | |
258 | if (currentTreeS == 0x0) | |
259 | { | |
260 | Int_t retval = gime->LoadSDigits(); | |
261 | if (retval) | |
262 | { | |
263 | Error("ReadSDigit","Error occured while loading S. Digits for Input %d",inputFile); | |
264 | return; | |
265 | } | |
266 | currentTreeS=gime->TreeS(); | |
267 | if (currentTreeS == 0x0) | |
268 | { | |
269 | Error("ReadSDigit","Can not get S. Digits Tree for Input %d",inputFile); | |
270 | return; | |
271 | } | |
272 | } | |
8e72349e | 273 | // get the branch TOF inside the treeS |
274 | TClonesArray * sdigitsDummyContainer= new TClonesArray("AliTOFSDigit", 1000); | |
275 | ||
276 | // check if the branch exist | |
277 | TBranch* tofBranch=currentTreeS->GetBranch("TOF"); | |
278 | ||
279 | if(!tofBranch){ | |
280 | Fatal("ReadSDigit","TOF branch not found for input %d",inputFile); | |
281 | } | |
68861244 | 282 | |
8e72349e | 283 | tofBranch->SetAddress(&sdigitsDummyContainer); |
68861244 | 284 | |
8e72349e | 285 | Int_t nEntries = (Int_t)tofBranch->GetEntries(); |
286 | ||
287 | // Loop through all entries in the tree | |
288 | Int_t nbytes; | |
289 | ||
290 | for (Int_t iEntry = 0; iEntry < nEntries; iEntry++) { | |
68861244 | 291 | |
8e72349e | 292 | // Import the tree |
293 | nbytes += tofBranch->GetEvent(iEntry); | |
68861244 | 294 | |
8e72349e | 295 | // Get the number of sdigits |
296 | Int_t ndig = sdigitsDummyContainer->GetEntriesFast(); | |
297 | ||
298 | for (Int_t k=0; k<ndig; k++) { | |
299 | AliTOFSDigit *tofSdigit= (AliTOFSDigit*) sdigitsDummyContainer->UncheckedAt(k); | |
300 | ||
301 | Int_t vol[5]; // location for a sdigit | |
302 | ||
303 | // check the sdigit volume | |
304 | vol[0] = tofSdigit->GetSector(); | |
305 | vol[1] = tofSdigit->GetPlate(); | |
306 | vol[2] = tofSdigit->GetStrip(); | |
307 | vol[3] = tofSdigit->GetPadx(); | |
308 | vol[4] = tofSdigit->GetPadz(); | |
309 | ||
310 | if (fhitMap->TestHit(vol) != kEmpty) { | |
311 | AliTOFSDigit *sdig = static_cast<AliTOFSDigit*>(fhitMap->GetHit(vol)); | |
312 | sdig->Update(tofSdigit); | |
313 | ||
314 | } else { | |
315 | ||
316 | CollectSDigit(tofSdigit); // collect the current sdigit | |
317 | fhitMap->SetHit(vol); // update the hitmap for location vol | |
318 | ||
319 | } // if (hitMap->TestHit(vol) != kEmpty) | |
320 | ||
321 | } // for (Int_t k=0; k<ndig; k++) | |
322 | ||
323 | } // end loop on entries | |
324 | ||
325 | sdigitsDummyContainer->Delete(); | |
326 | sdigitsDummyContainer=0; | |
327 | ||
328 | } | |
329 | ||
330 | ||
331 | //_____________________________________________________________________________ | |
332 | void AliTOFDigitizer::CollectSDigit(AliTOFSDigit * sdigit) | |
333 | { | |
334 | // | |
7f1e928b | 335 | // Add a TOF sdigit in container |
336 | // new with placement must be used | |
337 | TClonesArray &aSDigitsArray = *fSDigitsArray; | |
338 | Int_t last=fSDigitsArray->GetEntriesFast(); | |
339 | // make a copy of the current sdigit and | |
340 | // put it into tmp array | |
341 | new (aSDigitsArray[last]) AliTOFSDigit(*sdigit); | |
68861244 | 342 | } |