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dc7ca31d | 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" | |
af885e0f | 23 | #include <AliESDEvent.h> |
dc7ca31d | 24 | #include "AliLog.h" |
c41ceaac | 25 | #include "AliT0Loader.h" |
dc7ca31d | 26 | #include "AliT0RecPoint.h" |
27 | #include "AliRawReader.h" | |
28 | #include "AliT0RawReader.h" | |
dc7ca31d | 29 | #include "AliT0digit.h" |
30 | #include "AliT0Reconstructor.h" | |
31 | #include "AliT0Parameters.h" | |
c41ceaac | 32 | #include "AliT0Calibrator.h" |
dc7ca31d | 33 | #include "AliCDBLocal.h" |
34 | #include "AliCDBStorage.h" | |
35 | #include "AliCDBManager.h" | |
36 | #include "AliCDBEntry.h" | |
37 | ||
38 | #include <TArrayI.h> | |
39 | #include <TGraph.h> | |
aad72f45 | 40 | #include <TMath.h> |
dc7ca31d | 41 | |
42 | ClassImp(AliT0Reconstructor) | |
43 | ||
c41ceaac | 44 | AliT0Reconstructor:: AliT0Reconstructor(): AliReconstructor(), |
f16935f7 | 45 | fdZonA(0), |
46 | fdZonC(0), | |
47 | fZposition(0), | |
48 | fParam(NULL), | |
49 | fAmpLEDrec() | |
e0bba6cc | 50 | { |
c41ceaac | 51 | AliDebug(1,"Start reconstructor "); |
74adb36a | 52 | |
53 | fParam = AliT0Parameters::Instance(); | |
54 | fParam->Init(); | |
74adb36a | 55 | for (Int_t i=0; i<24; i++){ |
56 | TGraph* gr = fParam ->GetAmpLEDRec(i); | |
57 | fAmpLEDrec.AddAtAndExpand(gr,i) ; | |
58 | fTime0vertex[i]= fParam->GetTimeDelayDA(i); | |
59 | } | |
f16935f7 | 60 | fdZonC = TMath::Abs(fParam->GetZPositionShift("T0/C/PMT1")); |
61 | fdZonA = TMath::Abs(fParam->GetZPositionShift("T0/A/PMT15")); | |
74adb36a | 62 | |
c41ceaac | 63 | } |
64 | //____________________________________________________________________ | |
e0bba6cc | 65 | |
c41ceaac | 66 | AliT0Reconstructor::AliT0Reconstructor(const AliT0Reconstructor &r): |
d76c31f4 | 67 | AliReconstructor(r), |
f16935f7 | 68 | fdZonA(0), |
69 | fdZonC(0), | |
70 | fZposition(0), | |
71 | fParam(NULL), | |
72 | fAmpLEDrec() | |
73 | { | |
c41ceaac | 74 | // |
75 | // AliT0Reconstructor copy constructor | |
76 | // | |
e0bba6cc | 77 | |
c41ceaac | 78 | ((AliT0Reconstructor &) r).Copy(*this); |
e0bba6cc | 79 | |
80 | } | |
81 | ||
c41ceaac | 82 | //_____________________________________________________________________________ |
83 | AliT0Reconstructor &AliT0Reconstructor::operator=(const AliT0Reconstructor &r) | |
dc7ca31d | 84 | { |
c41ceaac | 85 | // |
86 | // Assignment operator | |
87 | // | |
88 | ||
89 | if (this != &r) ((AliT0Reconstructor &) r).Copy(*this); | |
90 | return *this; | |
e0bba6cc | 91 | |
dc7ca31d | 92 | } |
c41ceaac | 93 | |
94 | //_____________________________________________________________________________ | |
95 | ||
dc7ca31d | 96 | void AliT0Reconstructor::Reconstruct(TTree*digitsTree, TTree*clustersTree) const |
94c27e4f | 97 | |
dc7ca31d | 98 | { |
94c27e4f | 99 | // T0 digits reconstruction |
100 | // T0RecPoint writing | |
c41ceaac | 101 | |
74adb36a | 102 | |
c41ceaac | 103 | TArrayI * timeCFD = new TArrayI(24); |
104 | TArrayI * timeLED = new TArrayI(24); | |
105 | TArrayI * chargeQT0 = new TArrayI(24); | |
106 | TArrayI * chargeQT1 = new TArrayI(24); | |
74adb36a | 107 | |
c41ceaac | 108 | AliT0Calibrator *calib=new AliT0Calibrator(); |
dc7ca31d | 109 | |
94c27e4f | 110 | // Int_t mV2Mip = param->GetmV2Mip(); |
dc7ca31d | 111 | //mV2Mip = param->GetmV2Mip(); |
8955c6b4 | 112 | Float_t channelWidth = fParam->GetChannelWidth() ; |
74adb36a | 113 | Int_t meanT0 = fParam->GetMeanT0(); |
94c27e4f | 114 | |
dc7ca31d | 115 | AliDebug(1,Form("Start DIGITS reconstruction ")); |
94c27e4f | 116 | |
dc7ca31d | 117 | TBranch *brDigits=digitsTree->GetBranch("T0"); |
e0bba6cc | 118 | AliT0digit *fDigits = new AliT0digit() ; |
dc7ca31d | 119 | if (brDigits) { |
120 | brDigits->SetAddress(&fDigits); | |
121 | }else{ | |
f16935f7 | 122 | AliError(Form("EXEC Branch T0 digits not found")); |
123 | return; | |
dc7ca31d | 124 | } |
e0bba6cc | 125 | |
c41ceaac | 126 | digitsTree->GetEvent(0); |
127 | digitsTree->GetEntry(0); | |
128 | brDigits->GetEntry(0); | |
129 | fDigits->GetTimeCFD(*timeCFD); | |
130 | fDigits->GetTimeLED(*timeLED); | |
131 | fDigits->GetQT0(*chargeQT0); | |
132 | fDigits->GetQT1(*chargeQT1); | |
133 | ||
134 | Float_t besttimeA=999999; | |
135 | Float_t besttimeC=999999; | |
136 | Int_t pmtBestA=99999; | |
137 | Int_t pmtBestC=99999; | |
dc7ca31d | 138 | Float_t timeDiff=999999, meanTime=0; |
139 | ||
e0bba6cc | 140 | |
141 | ||
94c27e4f | 142 | AliT0RecPoint* frecpoints= new AliT0RecPoint (); |
143 | clustersTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1); | |
144 | ||
dc7ca31d | 145 | Float_t time[24], adc[24]; |
146 | for (Int_t ipmt=0; ipmt<24; ipmt++) { | |
c41ceaac | 147 | if(timeCFD->At(ipmt)>0 ){ |
29d3e0eb | 148 | Double_t qt0 = Double_t(chargeQT0->At(ipmt)); |
149 | Double_t qt1 = Double_t(chargeQT1->At(ipmt)); | |
c41ceaac | 150 | if((qt1-qt0)>0) adc[ipmt] = TMath::Exp( Double_t (channelWidth*(qt1-qt0)/1000)); |
29d3e0eb | 151 | time[ipmt] = calib-> WalkCorrection( ipmt,Int_t(qt1) , timeCFD->At(ipmt) ) ; |
c41ceaac | 152 | |
153 | //LED | |
29d3e0eb | 154 | Double_t sl = (timeLED->At(ipmt) - time[ipmt])*channelWidth; |
74adb36a | 155 | Double_t qt=((TGraph*)fAmpLEDrec.At(ipmt))->Eval(sl/1000.); |
29d3e0eb | 156 | frecpoints->SetTime(ipmt,time[ipmt]); |
dc7ca31d | 157 | frecpoints->SetAmp(ipmt,adc[ipmt]); |
c41ceaac | 158 | frecpoints->SetAmpLED(ipmt,qt); |
dc7ca31d | 159 | } |
160 | else { | |
161 | time[ipmt] = 0; | |
162 | adc[ipmt] = 0; | |
163 | } | |
164 | } | |
94c27e4f | 165 | |
dc7ca31d | 166 | for (Int_t ipmt=0; ipmt<12; ipmt++){ |
167 | if(time[ipmt] > 1 ) { | |
c41ceaac | 168 | if(time[ipmt]<besttimeC){ |
169 | besttimeC=time[ipmt]; //timeC | |
170 | pmtBestC=ipmt; | |
dc7ca31d | 171 | } |
172 | } | |
173 | } | |
174 | for ( Int_t ipmt=12; ipmt<24; ipmt++){ | |
175 | if(time[ipmt] > 1) { | |
c41ceaac | 176 | if(time[ipmt]<besttimeA) { |
177 | besttimeA=time[ipmt]; //timeA | |
178 | pmtBestA=ipmt;} | |
dc7ca31d | 179 | } |
180 | } | |
c41ceaac | 181 | if(besttimeA !=999999) frecpoints->SetTimeBestA(Int_t(besttimeA)); |
182 | if( besttimeC != 999999 ) frecpoints->SetTimeBestC(Int_t(besttimeC)); | |
183 | AliDebug(1,Form(" besttimeA %f ps, besttimeC %f ps",besttimeA, besttimeC)); | |
dc7ca31d | 184 | Float_t c = 0.0299792; // cm/ps |
185 | Float_t vertex = 0; | |
c41ceaac | 186 | if(besttimeA !=999999 && besttimeC != 999999 ){ |
94c27e4f | 187 | timeDiff =(besttimeC - besttimeA)*channelWidth; |
188 | meanTime = (meanT0 - (besttimeA + besttimeC)/2) * channelWidth; | |
f16935f7 | 189 | vertex = c*(timeDiff)/2. + (fdZonA - fdZonC)/2; //-(lenr-lenl))/2; |
dc7ca31d | 190 | AliDebug(1,Form(" timeDiff %f ps, meanTime %f ps, vertex %f cm",timeDiff, meanTime,vertex )); |
191 | frecpoints->SetVertex(vertex); | |
192 | frecpoints->SetMeanTime(Int_t(meanTime)); | |
193 | ||
194 | } | |
94c27e4f | 195 | //time in each channel as time[ipmt]-MeanTimeinThisChannel(with vertex=0) |
196 | for (Int_t ipmt=0; ipmt<24; ipmt++) { | |
197 | if(time[ipmt]>1) { | |
74adb36a | 198 | time[ipmt] = (time[ipmt] - fTime0vertex[ipmt])*channelWidth; |
94c27e4f | 199 | frecpoints->SetTime(ipmt,time[ipmt]); |
200 | } | |
201 | } | |
dc7ca31d | 202 | clustersTree->Fill(); |
bd375212 | 203 | |
204 | delete timeCFD; | |
205 | delete timeLED; | |
206 | delete chargeQT0; | |
207 | delete chargeQT1; | |
dc7ca31d | 208 | } |
209 | ||
210 | ||
c41ceaac | 211 | //_______________________________________________________________________ |
212 | ||
213 | void AliT0Reconstructor::Reconstruct(AliRawReader* rawReader, TTree*recTree) const | |
214 | { | |
94c27e4f | 215 | // T0 raw -> |
216 | // T0RecPoint writing | |
217 | ||
218 | //Q->T-> coefficients !!!! should be measured!!! | |
5325480c | 219 | Int_t allData[110][5]; |
94c27e4f | 220 | |
c41ceaac | 221 | TArrayI * timeCFD = new TArrayI(24); |
222 | TArrayI * timeLED = new TArrayI(24); | |
223 | TArrayI * chargeQT0 = new TArrayI(24); | |
224 | TArrayI * chargeQT1 = new TArrayI(24); | |
225 | ||
5325480c | 226 | for (Int_t i=0; i<110; i++) { |
227 | allData[i][0]=0; | |
228 | } | |
229 | ||
c41ceaac | 230 | AliT0RawReader myrawreader(rawReader); |
231 | if (!myrawreader.Next()) | |
232 | AliDebug(1,Form(" no raw data found!! %i", myrawreader.Next())); | |
c41ceaac | 233 | for (Int_t i=0; i<110; i++) { |
234 | allData[i][0]=myrawreader.GetData(i,0); | |
235 | } | |
74adb36a | 236 | AliT0Calibrator *calib = new AliT0Calibrator(); |
c41ceaac | 237 | |
74adb36a | 238 | // Int_t mV2Mip = param->GetmV2Mip(); |
c41ceaac | 239 | //mV2Mip = param->GetmV2Mip(); |
8955c6b4 | 240 | Float_t channelWidth = fParam->GetChannelWidth() ; |
241 | ||
74adb36a | 242 | Int_t meanT0 = fParam->GetMeanT0(); |
243 | ||
5325480c | 244 | for (Int_t in=0; in<24; in++) |
c41ceaac | 245 | { |
246 | timeLED->AddAt(allData[in+1][0],in); | |
247 | timeCFD->AddAt(allData[in+25][0],in); | |
29d3e0eb | 248 | chargeQT1->AddAt(allData[in+57][0],in); |
249 | chargeQT0->AddAt(allData[in+80][0],in); | |
c41ceaac | 250 | AliDebug(10, Form(" readed Raw %i %i %i %i %i", in, timeLED->At(in),timeCFD->At(in),chargeQT0->At(in),chargeQT1->At(in))); |
251 | } | |
252 | ||
253 | Float_t besttimeA=999999; | |
254 | Float_t besttimeC=999999; | |
255 | Int_t pmtBestA=99999; | |
256 | Int_t pmtBestC=99999; | |
257 | Float_t timeDiff=999999, meanTime=0; | |
258 | ||
259 | ||
260 | AliT0RecPoint* frecpoints= new AliT0RecPoint (); | |
261 | ||
262 | recTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1); | |
263 | ||
264 | ||
265 | Float_t time[24], adc[24]; | |
266 | for (Int_t ipmt=0; ipmt<24; ipmt++) { | |
267 | if(timeCFD->At(ipmt)>0 ){ | |
29d3e0eb | 268 | Double_t qt0 = Double_t(chargeQT0->At(ipmt)); |
269 | Double_t qt1 = Double_t(chargeQT1->At(ipmt)); | |
c41ceaac | 270 | if((qt1-qt0)>0) adc[ipmt] = TMath::Exp( Double_t (channelWidth*(qt1-qt0)/1000)); |
94c27e4f | 271 | // time[ipmt] = channelWidth * (calib-> WalkCorrection( ipmt,qt1 , timeCFD->At(ipmt) ) ) ; |
29d3e0eb | 272 | time[ipmt] = calib-> WalkCorrection( ipmt,Int_t(qt1) , timeCFD->At(ipmt) ) ; |
273 | Double_t sl = (timeLED->At(ipmt) - time[ipmt])*channelWidth; | |
74adb36a | 274 | Double_t qt=((TGraph*)fAmpLEDrec.At(ipmt))->Eval(sl/1000.); |
c41ceaac | 275 | frecpoints->SetTime(ipmt,time[ipmt]); |
276 | frecpoints->SetAmp(ipmt,adc[ipmt]); | |
277 | frecpoints->SetAmpLED(ipmt,qt); | |
8955c6b4 | 278 | AliDebug(1,Form(" QTC %f mv, QTC %f MIPS time in chann %f time %f ",adc[ipmt], adc[ipmt]/50.,time[ipmt], time[ipmt]*channelWidth)); |
279 | ||
c41ceaac | 280 | } |
281 | else { | |
282 | time[ipmt] = 0; | |
283 | adc[ipmt] = 0; | |
284 | } | |
285 | } | |
286 | ||
287 | for (Int_t ipmt=0; ipmt<12; ipmt++){ | |
288 | if(time[ipmt] > 1 ) { | |
289 | if(time[ipmt]<besttimeC){ | |
290 | besttimeC=time[ipmt]; //timeC | |
291 | pmtBestC=ipmt; | |
292 | } | |
293 | } | |
294 | } | |
295 | for ( Int_t ipmt=12; ipmt<24; ipmt++){ | |
296 | if(time[ipmt] > 1) { | |
297 | if(time[ipmt]<besttimeA) { | |
298 | besttimeA=time[ipmt]; //timeA | |
299 | pmtBestA=ipmt;} | |
300 | } | |
301 | } | |
302 | if(besttimeA !=999999) frecpoints->SetTimeBestA(Int_t(besttimeA)); | |
303 | if( besttimeC != 999999 ) frecpoints->SetTimeBestC(Int_t(besttimeC)); | |
304 | AliDebug(1,Form(" besttimeA %f ps, besttimeC %f ps",besttimeA, besttimeC)); | |
305 | Float_t c = 0.0299792; // cm/ps | |
306 | Float_t vertex = 0; | |
307 | if(besttimeA !=999999 && besttimeC != 999999 ){ | |
94c27e4f | 308 | timeDiff = (besttimeC - besttimeA)*channelWidth; |
8955c6b4 | 309 | meanTime = (meanT0 - (besttimeA + besttimeC)/2) * channelWidth; |
f16935f7 | 310 | vertex = c*(timeDiff)/2. + (fdZonA - fdZonC)/2; //-(lenr-lenl))/2; |
c41ceaac | 311 | AliDebug(1,Form(" timeDiff %f ps, meanTime %f ps, vertex %f cm",timeDiff, meanTime,vertex )); |
312 | frecpoints->SetVertex(vertex); | |
313 | frecpoints->SetMeanTime(Int_t(meanTime)); | |
314 | ||
315 | } | |
94c27e4f | 316 | //time in each channel as time[ipmt]-MeanTimeinThisChannel(with vertex=0) |
8955c6b4 | 317 | /* |
94c27e4f | 318 | for (Int_t ipmt=0; ipmt<24; ipmt++) { |
319 | if(time[ipmt]>1) { | |
74adb36a | 320 | time[ipmt] = (time[ipmt] - fTime0vertex[ipmt])*channelWidth; |
94c27e4f | 321 | frecpoints->SetTime(ipmt,time[ipmt]); |
322 | } | |
8955c6b4 | 323 | } |
324 | */ | |
c41ceaac | 325 | recTree->Fill(); |
94c27e4f | 326 | |
bd375212 | 327 | |
328 | delete timeCFD; | |
329 | delete timeLED; | |
330 | delete chargeQT0; | |
331 | delete chargeQT1; | |
332 | ||
c41ceaac | 333 | } |
334 | //____________________________________________________________ | |
335 | ||
d76c31f4 | 336 | void AliT0Reconstructor::FillESD(TTree */*digitsTree*/, TTree *clustersTree, AliESDEvent *pESD) const |
dc7ca31d | 337 | { |
338 | ||
339 | /*************************************************** | |
340 | Resonstruct digits to vertex position | |
341 | ****************************************************/ | |
342 | ||
dc7ca31d | 343 | AliDebug(1,Form("Start FillESD T0")); |
344 | ||
d76c31f4 | 345 | TTree *treeR = clustersTree; |
dc7ca31d | 346 | |
347 | AliT0RecPoint* frecpoints= new AliT0RecPoint (); | |
348 | if (!frecpoints) { | |
349 | AliError("Reconstruct Fill ESD >> no recpoints found"); | |
350 | return; | |
351 | } | |
352 | ||
353 | AliDebug(1,Form("Start FillESD T0")); | |
354 | TBranch *brRec = treeR->GetBranch("T0"); | |
355 | if (brRec) { | |
356 | brRec->SetAddress(&frecpoints); | |
357 | }else{ | |
f16935f7 | 358 | AliError(Form("EXEC Branch T0 rec not found")); |
dc7ca31d | 359 | return; |
360 | } | |
361 | ||
362 | brRec->GetEntry(0); | |
f16935f7 | 363 | Float_t amp[24], time[24]; |
364 | Float_t zPosition = frecpoints -> GetVertex(); | |
365 | Float_t timeStart = frecpoints -> GetMeanTime() ; | |
366 | for ( Int_t i=0; i<24; i++) { | |
94c27e4f | 367 | time[i] = Float_t (frecpoints -> GetTime(i)); // ps to ns |
dc7ca31d | 368 | amp[i] = frecpoints -> GetAmp(i); |
369 | } | |
f16935f7 | 370 | pESD->SetT0zVertex(zPosition); //vertex Z position |
dc7ca31d | 371 | pESD->SetT0(timeStart); // interaction time |
372 | pESD->SetT0time(time); // best TOF on each PMT | |
373 | pESD->SetT0amplitude(amp); // number of particles(MIPs) on each PMT | |
5325480c | 374 | |
f16935f7 | 375 | AliDebug(1,Form(" Z position %f cm, T0 %f ps",zPosition , timeStart)); |
dc7ca31d | 376 | |
dc7ca31d | 377 | } // vertex in 3 sigma |
378 | ||
379 | ||
380 | ||
381 | ||
382 | ||
383 |