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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 | #include <Riostream.h> |
19 | |
20 | #include <TDirectory.h> |
21 | |
22 | #include "AliRunLoader.h" |
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23 | #include <AliESD.h> |
24 | #include "AliLog.h" |
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25 | #include "AliT0Loader.h" |
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26 | #include <TClonesArray.h> |
27 | #include "AliT0RecPoint.h" |
28 | #include "AliRawReader.h" |
29 | #include "AliT0RawReader.h" |
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30 | #include "AliT0digit.h" |
31 | #include "AliT0Reconstructor.h" |
32 | #include "AliT0Parameters.h" |
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33 | #include "AliT0Calibrator.h" |
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34 | #include "AliCDBLocal.h" |
35 | #include "AliCDBStorage.h" |
36 | #include "AliCDBManager.h" |
37 | #include "AliCDBEntry.h" |
38 | |
39 | #include <TArrayI.h> |
40 | #include <TGraph.h> |
41 | |
42 | ClassImp(AliT0Reconstructor) |
43 | |
c41ceaac |
44 | AliT0Reconstructor:: AliT0Reconstructor(): AliReconstructor(), |
45 | fDigits(NULL), |
46 | fTree(0x0), |
47 | fZposition(0) |
48 | |
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49 | { |
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50 | AliDebug(1,"Start reconstructor "); |
51 | } |
52 | //____________________________________________________________________ |
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53 | |
c41ceaac |
54 | AliT0Reconstructor::AliT0Reconstructor(const AliT0Reconstructor &r): |
55 | fDigits(NULL), |
56 | fTree(0x0), |
57 | fZposition(0) |
58 | |
59 | { |
60 | // |
61 | // AliT0Reconstructor copy constructor |
62 | // |
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63 | |
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64 | ((AliT0Reconstructor &) r).Copy(*this); |
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65 | |
66 | } |
67 | |
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68 | //_____________________________________________________________________________ |
69 | AliT0Reconstructor &AliT0Reconstructor::operator=(const AliT0Reconstructor &r) |
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70 | { |
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71 | // |
72 | // Assignment operator |
73 | // |
74 | |
75 | if (this != &r) ((AliT0Reconstructor &) r).Copy(*this); |
76 | return *this; |
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77 | |
dc7ca31d |
78 | } |
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79 | |
80 | //_____________________________________________________________________________ |
81 | |
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82 | void AliT0Reconstructor::Reconstruct(TTree*digitsTree, TTree*clustersTree) const |
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83 | |
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84 | { |
85 | // T0 digits reconstruction |
86 | // T0RecPoint writing |
87 | |
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88 | |
89 | Float_t timeDelayLED[24]; |
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90 | Float_t zdetA,zdetC; |
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91 | TObjArray slewingLEDrec; |
92 | TObjArray walk; |
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93 | |
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94 | TArrayI * timeCFD = new TArrayI(24); |
95 | TArrayI * timeLED = new TArrayI(24); |
96 | TArrayI * chargeQT0 = new TArrayI(24); |
97 | TArrayI * chargeQT1 = new TArrayI(24); |
98 | |
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99 | AliT0Parameters* param = AliT0Parameters::Instance(); |
100 | param->Init(); |
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101 | AliT0Calibrator *calib=new AliT0Calibrator(); |
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102 | |
103 | Int_t mV2Mip = param->GetmV2Mip(); |
104 | //mV2Mip = param->GetmV2Mip(); |
105 | Int_t channelWidth = param->GetChannelWidth() ; |
106 | |
107 | for (Int_t i=0; i<24; i++){ |
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108 | TGraph* gr = param ->GetSlewRec(i); |
109 | slewingLEDrec.AddAtAndExpand(gr,i) ; |
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110 | } |
111 | zdetC = param->GetZposition(0); |
112 | zdetA = param->GetZposition(1); |
113 | |
114 | AliDebug(1,Form("Start DIGITS reconstruction ")); |
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115 | |
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116 | TBranch *brDigits=digitsTree->GetBranch("T0"); |
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117 | AliT0digit *fDigits = new AliT0digit() ; |
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118 | if (brDigits) { |
119 | brDigits->SetAddress(&fDigits); |
120 | }else{ |
121 | cerr<<"EXEC Branch T0 digits not found"<<endl; |
122 | return; |
123 | } |
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124 | |
c41ceaac |
125 | digitsTree->GetEvent(0); |
126 | digitsTree->GetEntry(0); |
127 | brDigits->GetEntry(0); |
128 | fDigits->GetTimeCFD(*timeCFD); |
129 | fDigits->GetTimeLED(*timeLED); |
130 | fDigits->GetQT0(*chargeQT0); |
131 | fDigits->GetQT1(*chargeQT1); |
132 | |
133 | Float_t besttimeA=999999; |
134 | Float_t besttimeC=999999; |
135 | Int_t pmtBestA=99999; |
136 | Int_t pmtBestC=99999; |
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137 | Float_t timeDiff=999999, meanTime=0; |
138 | |
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139 | |
140 | |
141 | AliT0RecPoint* frecpoints= new AliT0RecPoint (); |
142 | clustersTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1); |
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143 | |
144 | Float_t time[24], adc[24]; |
145 | for (Int_t ipmt=0; ipmt<24; ipmt++) { |
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146 | if(timeCFD->At(ipmt)>0 ){ |
147 | Int_t qt0= chargeQT0->At(ipmt); |
148 | Int_t qt1= chargeQT1->At(ipmt); |
149 | if((qt1-qt0)>0) adc[ipmt] = TMath::Exp( Double_t (channelWidth*(qt1-qt0)/1000)); |
150 | time[ipmt] = channelWidth * (calib-> WalkCorrection( ipmt,qt1 , timeCFD->At(ipmt) ) ) ; |
151 | |
152 | //LED |
153 | Double_t sl = (timeLED->At(ipmt) - timeCFD->At(ipmt)- (1000.*timeDelayLED[ipmt]/channelWidth))*channelWidth; |
154 | Double_t qt=((TGraph*)slewingLEDrec.At(ipmt))->Eval(sl/1000.); |
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155 | frecpoints->SetTime(ipmt,time[ipmt]); |
156 | frecpoints->SetAmp(ipmt,adc[ipmt]); |
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157 | frecpoints->SetAmpLED(ipmt,qt); |
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158 | } |
159 | else { |
160 | time[ipmt] = 0; |
161 | adc[ipmt] = 0; |
162 | } |
163 | } |
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164 | |
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165 | for (Int_t ipmt=0; ipmt<12; ipmt++){ |
166 | if(time[ipmt] > 1 ) { |
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167 | if(time[ipmt]<besttimeC){ |
168 | besttimeC=time[ipmt]; //timeC |
169 | pmtBestC=ipmt; |
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170 | } |
171 | } |
172 | } |
173 | for ( Int_t ipmt=12; ipmt<24; ipmt++){ |
174 | if(time[ipmt] > 1) { |
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175 | if(time[ipmt]<besttimeA) { |
176 | besttimeA=time[ipmt]; //timeA |
177 | pmtBestA=ipmt;} |
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178 | } |
179 | } |
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180 | if(besttimeA !=999999) frecpoints->SetTimeBestA(Int_t(besttimeA)); |
181 | if( besttimeC != 999999 ) frecpoints->SetTimeBestC(Int_t(besttimeC)); |
182 | AliDebug(1,Form(" besttimeA %f ps, besttimeC %f ps",besttimeA, besttimeC)); |
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183 | Float_t c = 0.0299792; // cm/ps |
184 | Float_t vertex = 0; |
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185 | if(besttimeA !=999999 && besttimeC != 999999 ){ |
186 | timeDiff = besttimeC - besttimeA; |
187 | meanTime = (besttimeA + besttimeC)/2.; |
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188 | vertex = c*(timeDiff)/2.; //-(lenr-lenl))/2; |
189 | AliDebug(1,Form(" timeDiff %f ps, meanTime %f ps, vertex %f cm",timeDiff, meanTime,vertex )); |
190 | frecpoints->SetVertex(vertex); |
191 | frecpoints->SetMeanTime(Int_t(meanTime)); |
192 | |
193 | } |
194 | clustersTree->Fill(); |
195 | } |
196 | |
197 | |
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198 | //_______________________________________________________________________ |
199 | |
200 | void AliT0Reconstructor::Reconstruct(AliRawReader* rawReader, TTree*recTree) const |
201 | { |
202 | // T0 raw -> |
203 | // T0RecPoint writing |
204 | |
205 | //Q->T-> coefficients !!!! should be asked!!! |
206 | Float_t timeDelayLED[24]; |
207 | Float_t zdetA,zdetC; |
208 | TObjArray slewingLEDrec; |
209 | TObjArray walk; |
210 | |
211 | TArrayI * timeCFD = new TArrayI(24); |
212 | TArrayI * timeLED = new TArrayI(24); |
213 | TArrayI * chargeQT0 = new TArrayI(24); |
214 | TArrayI * chargeQT1 = new TArrayI(24); |
215 | |
216 | AliT0RawReader myrawreader(rawReader); |
217 | if (!myrawreader.Next()) |
218 | AliDebug(1,Form(" no raw data found!! %i", myrawreader.Next())); |
219 | Int_t allData[110][5]; |
220 | for (Int_t i=0; i<110; i++) { |
221 | allData[i][0]=myrawreader.GetData(i,0); |
222 | } |
223 | |
224 | AliT0Parameters* param = AliT0Parameters::Instance(); |
225 | param->Init(); |
226 | AliT0Calibrator *calib=new AliT0Calibrator(); |
227 | |
228 | Int_t mV2Mip = param->GetmV2Mip(); |
229 | //mV2Mip = param->GetmV2Mip(); |
230 | Int_t channelWidth = param->GetChannelWidth() ; |
231 | |
232 | for (Int_t i=0; i<24; i++){ |
233 | TGraph* gr = param ->GetSlewRec(i); |
234 | slewingLEDrec.AddAtAndExpand(gr,i) ; |
235 | } |
236 | |
237 | zdetC = param->GetZposition(0); |
238 | zdetA = param->GetZposition(1); |
239 | |
240 | for (Int_t in=0; in<24; in++) |
241 | { |
242 | timeLED->AddAt(allData[in+1][0],in); |
243 | timeCFD->AddAt(allData[in+25][0],in); |
244 | chargeQT1->AddAt(allData[in+55][0],in); |
245 | chargeQT0->AddAt(allData[in+79][0],in); |
246 | AliDebug(10, Form(" readed Raw %i %i %i %i %i", in, timeLED->At(in),timeCFD->At(in),chargeQT0->At(in),chargeQT1->At(in))); |
247 | } |
248 | |
249 | Float_t besttimeA=999999; |
250 | Float_t besttimeC=999999; |
251 | Int_t pmtBestA=99999; |
252 | Int_t pmtBestC=99999; |
253 | Float_t timeDiff=999999, meanTime=0; |
254 | |
255 | |
256 | AliT0RecPoint* frecpoints= new AliT0RecPoint (); |
257 | |
258 | recTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1); |
259 | |
260 | |
261 | Float_t time[24], adc[24]; |
262 | for (Int_t ipmt=0; ipmt<24; ipmt++) { |
263 | if(timeCFD->At(ipmt)>0 ){ |
264 | Int_t qt0= chargeQT0->At(ipmt); |
265 | Int_t qt1= chargeQT1->At(ipmt); |
266 | if((qt1-qt0)>0) adc[ipmt] = TMath::Exp( Double_t (channelWidth*(qt1-qt0)/1000)); |
267 | time[ipmt] = channelWidth * (calib-> WalkCorrection( ipmt,qt1 , timeCFD->At(ipmt) ) ) ; |
268 | Double_t sl = (timeLED->At(ipmt) - timeCFD->At(ipmt)- (1000.*timeDelayLED[ipmt]/channelWidth))*channelWidth; |
269 | Double_t qt=((TGraph*)slewingLEDrec.At(ipmt))->Eval(sl/1000.); |
270 | frecpoints->SetTime(ipmt,time[ipmt]); |
271 | frecpoints->SetAmp(ipmt,adc[ipmt]); |
272 | frecpoints->SetAmpLED(ipmt,qt); |
273 | } |
274 | else { |
275 | time[ipmt] = 0; |
276 | adc[ipmt] = 0; |
277 | } |
278 | } |
279 | |
280 | for (Int_t ipmt=0; ipmt<12; ipmt++){ |
281 | if(time[ipmt] > 1 ) { |
282 | if(time[ipmt]<besttimeC){ |
283 | besttimeC=time[ipmt]; //timeC |
284 | pmtBestC=ipmt; |
285 | } |
286 | } |
287 | } |
288 | for ( Int_t ipmt=12; ipmt<24; ipmt++){ |
289 | if(time[ipmt] > 1) { |
290 | if(time[ipmt]<besttimeA) { |
291 | besttimeA=time[ipmt]; //timeA |
292 | pmtBestA=ipmt;} |
293 | } |
294 | } |
295 | if(besttimeA !=999999) frecpoints->SetTimeBestA(Int_t(besttimeA)); |
296 | if( besttimeC != 999999 ) frecpoints->SetTimeBestC(Int_t(besttimeC)); |
297 | AliDebug(1,Form(" besttimeA %f ps, besttimeC %f ps",besttimeA, besttimeC)); |
298 | Float_t c = 0.0299792; // cm/ps |
299 | Float_t vertex = 0; |
300 | if(besttimeA !=999999 && besttimeC != 999999 ){ |
301 | timeDiff = besttimeC - besttimeA; |
302 | meanTime = (besttimeA + besttimeC)/2.; |
303 | vertex = c*(timeDiff)/2.; //-(lenr-lenl))/2; |
304 | AliDebug(1,Form(" timeDiff %f ps, meanTime %f ps, vertex %f cm",timeDiff, meanTime,vertex )); |
305 | frecpoints->SetVertex(vertex); |
306 | frecpoints->SetMeanTime(Int_t(meanTime)); |
307 | |
308 | } |
309 | recTree->Fill(); |
310 | } |
311 | //____________________________________________________________ |
312 | |
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313 | void AliT0Reconstructor::FillESD(AliRunLoader* runLoader, AliESD *pESD) const |
314 | { |
315 | |
316 | /*************************************************** |
317 | Resonstruct digits to vertex position |
318 | ****************************************************/ |
319 | |
320 | |
321 | if (!runLoader) { |
322 | AliError("Reconstruct >> No run loader"); |
323 | return; |
324 | } |
325 | |
326 | AliDebug(1,Form("Start FillESD T0")); |
327 | |
328 | AliT0Loader* pStartLoader = (AliT0Loader*) runLoader->GetLoader("T0Loader"); |
329 | |
330 | pStartLoader->LoadRecPoints("READ"); |
331 | |
332 | TTree *treeR = pStartLoader->TreeR(); |
333 | |
334 | AliT0RecPoint* frecpoints= new AliT0RecPoint (); |
335 | if (!frecpoints) { |
336 | AliError("Reconstruct Fill ESD >> no recpoints found"); |
337 | return; |
338 | } |
339 | |
340 | AliDebug(1,Form("Start FillESD T0")); |
341 | TBranch *brRec = treeR->GetBranch("T0"); |
342 | if (brRec) { |
343 | brRec->SetAddress(&frecpoints); |
344 | }else{ |
345 | cerr<<"EXEC Branch T0 rec not found"<<endl; |
346 | // exit(111); |
347 | return; |
348 | } |
349 | |
350 | brRec->GetEntry(0); |
351 | Float_t timeStart, Zposition, amp[24], time[24]; |
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352 | Int_t mean0 = 12450; |
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353 | Int_t i; |
354 | Zposition = frecpoints -> GetVertex(); |
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355 | timeStart = frecpoints -> GetMeanTime() - mean0; |
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356 | for ( i=0; i<24; i++) { |
357 | time[i] = Float_t (frecpoints -> GetTime(i)) / 1000.; // ps to ns |
358 | amp[i] = frecpoints -> GetAmp(i); |
359 | } |
360 | pESD->SetT0zVertex(Zposition); //vertex Z position |
361 | pESD->SetT0(timeStart); // interaction time |
362 | pESD->SetT0time(time); // best TOF on each PMT |
363 | pESD->SetT0amplitude(amp); // number of particles(MIPs) on each PMT |
364 | cout<<" ESD >> "<<Zposition<<" "<<timeStart<<endl; |
365 | |
366 | pStartLoader->UnloadRecPoints(); |
367 | |
368 | } // vertex in 3 sigma |
369 | |
370 | |
371 | |
372 | |
373 | |
374 | |