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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) ; | |
c32fcee0 | 58 | // fTime0vertex[i]= fParam->GetTimeV0(i); |
74adb36a | 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); | |
c32fcee0 | 133 | |
134 | cout<<"!!!! AliT0Reconstructor::Reconstruct RefPoint "<<fDigits->RefPoint()<<endl; | |
c41ceaac | 135 | |
136 | Float_t besttimeA=999999; | |
137 | Float_t besttimeC=999999; | |
138 | Int_t pmtBestA=99999; | |
139 | Int_t pmtBestC=99999; | |
dc7ca31d | 140 | Float_t timeDiff=999999, meanTime=0; |
141 | ||
e0bba6cc | 142 | |
143 | ||
94c27e4f | 144 | AliT0RecPoint* frecpoints= new AliT0RecPoint (); |
145 | clustersTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1); | |
146 | ||
dc7ca31d | 147 | Float_t time[24], adc[24]; |
148 | for (Int_t ipmt=0; ipmt<24; ipmt++) { | |
c41ceaac | 149 | if(timeCFD->At(ipmt)>0 ){ |
29d3e0eb | 150 | Double_t qt0 = Double_t(chargeQT0->At(ipmt)); |
151 | Double_t qt1 = Double_t(chargeQT1->At(ipmt)); | |
c41ceaac | 152 | if((qt1-qt0)>0) adc[ipmt] = TMath::Exp( Double_t (channelWidth*(qt1-qt0)/1000)); |
29d3e0eb | 153 | time[ipmt] = calib-> WalkCorrection( ipmt,Int_t(qt1) , timeCFD->At(ipmt) ) ; |
c41ceaac | 154 | |
155 | //LED | |
29d3e0eb | 156 | Double_t sl = (timeLED->At(ipmt) - time[ipmt])*channelWidth; |
74adb36a | 157 | Double_t qt=((TGraph*)fAmpLEDrec.At(ipmt))->Eval(sl/1000.); |
29d3e0eb | 158 | frecpoints->SetTime(ipmt,time[ipmt]); |
dc7ca31d | 159 | frecpoints->SetAmp(ipmt,adc[ipmt]); |
c41ceaac | 160 | frecpoints->SetAmpLED(ipmt,qt); |
dc7ca31d | 161 | } |
162 | else { | |
163 | time[ipmt] = 0; | |
164 | adc[ipmt] = 0; | |
165 | } | |
166 | } | |
94c27e4f | 167 | |
dc7ca31d | 168 | for (Int_t ipmt=0; ipmt<12; ipmt++){ |
169 | if(time[ipmt] > 1 ) { | |
c41ceaac | 170 | if(time[ipmt]<besttimeC){ |
171 | besttimeC=time[ipmt]; //timeC | |
172 | pmtBestC=ipmt; | |
dc7ca31d | 173 | } |
174 | } | |
175 | } | |
176 | for ( Int_t ipmt=12; ipmt<24; ipmt++){ | |
177 | if(time[ipmt] > 1) { | |
c41ceaac | 178 | if(time[ipmt]<besttimeA) { |
179 | besttimeA=time[ipmt]; //timeA | |
180 | pmtBestA=ipmt;} | |
dc7ca31d | 181 | } |
182 | } | |
c41ceaac | 183 | if(besttimeA !=999999) frecpoints->SetTimeBestA(Int_t(besttimeA)); |
184 | if( besttimeC != 999999 ) frecpoints->SetTimeBestC(Int_t(besttimeC)); | |
185 | AliDebug(1,Form(" besttimeA %f ps, besttimeC %f ps",besttimeA, besttimeC)); | |
dc7ca31d | 186 | Float_t c = 0.0299792; // cm/ps |
187 | Float_t vertex = 0; | |
c41ceaac | 188 | if(besttimeA !=999999 && besttimeC != 999999 ){ |
94c27e4f | 189 | timeDiff =(besttimeC - besttimeA)*channelWidth; |
190 | meanTime = (meanT0 - (besttimeA + besttimeC)/2) * channelWidth; | |
f16935f7 | 191 | vertex = c*(timeDiff)/2. + (fdZonA - fdZonC)/2; //-(lenr-lenl))/2; |
dc7ca31d | 192 | AliDebug(1,Form(" timeDiff %f ps, meanTime %f ps, vertex %f cm",timeDiff, meanTime,vertex )); |
193 | frecpoints->SetVertex(vertex); | |
194 | frecpoints->SetMeanTime(Int_t(meanTime)); | |
195 | ||
196 | } | |
94c27e4f | 197 | //time in each channel as time[ipmt]-MeanTimeinThisChannel(with vertex=0) |
198 | for (Int_t ipmt=0; ipmt<24; ipmt++) { | |
199 | if(time[ipmt]>1) { | |
c32fcee0 | 200 | // time[ipmt] = (time[ipmt] - fTime0vertex[ipmt])*channelWidth; |
201 | time[ipmt] = time[ipmt] * channelWidth; | |
94c27e4f | 202 | frecpoints->SetTime(ipmt,time[ipmt]); |
203 | } | |
204 | } | |
dc7ca31d | 205 | clustersTree->Fill(); |
bd375212 | 206 | |
207 | delete timeCFD; | |
208 | delete timeLED; | |
209 | delete chargeQT0; | |
210 | delete chargeQT1; | |
dc7ca31d | 211 | } |
212 | ||
213 | ||
c41ceaac | 214 | //_______________________________________________________________________ |
215 | ||
216 | void AliT0Reconstructor::Reconstruct(AliRawReader* rawReader, TTree*recTree) const | |
217 | { | |
94c27e4f | 218 | // T0 raw -> |
219 | // T0RecPoint writing | |
220 | ||
221 | //Q->T-> coefficients !!!! should be measured!!! | |
5325480c | 222 | Int_t allData[110][5]; |
94c27e4f | 223 | |
c41ceaac | 224 | TArrayI * timeCFD = new TArrayI(24); |
225 | TArrayI * timeLED = new TArrayI(24); | |
226 | TArrayI * chargeQT0 = new TArrayI(24); | |
227 | TArrayI * chargeQT1 = new TArrayI(24); | |
228 | ||
5325480c | 229 | for (Int_t i=0; i<110; i++) { |
230 | allData[i][0]=0; | |
231 | } | |
232 | ||
c41ceaac | 233 | AliT0RawReader myrawreader(rawReader); |
234 | if (!myrawreader.Next()) | |
235 | AliDebug(1,Form(" no raw data found!! %i", myrawreader.Next())); | |
c41ceaac | 236 | for (Int_t i=0; i<110; i++) { |
237 | allData[i][0]=myrawreader.GetData(i,0); | |
238 | } | |
74adb36a | 239 | AliT0Calibrator *calib = new AliT0Calibrator(); |
c41ceaac | 240 | |
74adb36a | 241 | // Int_t mV2Mip = param->GetmV2Mip(); |
c41ceaac | 242 | //mV2Mip = param->GetmV2Mip(); |
8955c6b4 | 243 | Float_t channelWidth = fParam->GetChannelWidth() ; |
244 | ||
74adb36a | 245 | Int_t meanT0 = fParam->GetMeanT0(); |
246 | ||
5325480c | 247 | for (Int_t in=0; in<24; in++) |
c41ceaac | 248 | { |
249 | timeLED->AddAt(allData[in+1][0],in); | |
250 | timeCFD->AddAt(allData[in+25][0],in); | |
29d3e0eb | 251 | chargeQT1->AddAt(allData[in+57][0],in); |
252 | chargeQT0->AddAt(allData[in+80][0],in); | |
c41ceaac | 253 | AliDebug(10, Form(" readed Raw %i %i %i %i %i", in, timeLED->At(in),timeCFD->At(in),chargeQT0->At(in),chargeQT1->At(in))); |
254 | } | |
255 | ||
256 | Float_t besttimeA=999999; | |
257 | Float_t besttimeC=999999; | |
258 | Int_t pmtBestA=99999; | |
259 | Int_t pmtBestC=99999; | |
260 | Float_t timeDiff=999999, meanTime=0; | |
261 | ||
262 | ||
263 | AliT0RecPoint* frecpoints= new AliT0RecPoint (); | |
264 | ||
265 | recTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1); | |
266 | ||
267 | ||
268 | Float_t time[24], adc[24]; | |
269 | for (Int_t ipmt=0; ipmt<24; ipmt++) { | |
270 | if(timeCFD->At(ipmt)>0 ){ | |
29d3e0eb | 271 | Double_t qt0 = Double_t(chargeQT0->At(ipmt)); |
272 | Double_t qt1 = Double_t(chargeQT1->At(ipmt)); | |
c41ceaac | 273 | if((qt1-qt0)>0) adc[ipmt] = TMath::Exp( Double_t (channelWidth*(qt1-qt0)/1000)); |
94c27e4f | 274 | // time[ipmt] = channelWidth * (calib-> WalkCorrection( ipmt,qt1 , timeCFD->At(ipmt) ) ) ; |
29d3e0eb | 275 | time[ipmt] = calib-> WalkCorrection( ipmt,Int_t(qt1) , timeCFD->At(ipmt) ) ; |
276 | Double_t sl = (timeLED->At(ipmt) - time[ipmt])*channelWidth; | |
74adb36a | 277 | Double_t qt=((TGraph*)fAmpLEDrec.At(ipmt))->Eval(sl/1000.); |
c41ceaac | 278 | frecpoints->SetTime(ipmt,time[ipmt]); |
279 | frecpoints->SetAmp(ipmt,adc[ipmt]); | |
280 | frecpoints->SetAmpLED(ipmt,qt); | |
8955c6b4 | 281 | 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)); |
282 | ||
c41ceaac | 283 | } |
284 | else { | |
285 | time[ipmt] = 0; | |
286 | adc[ipmt] = 0; | |
287 | } | |
288 | } | |
289 | ||
290 | for (Int_t ipmt=0; ipmt<12; ipmt++){ | |
291 | if(time[ipmt] > 1 ) { | |
292 | if(time[ipmt]<besttimeC){ | |
293 | besttimeC=time[ipmt]; //timeC | |
294 | pmtBestC=ipmt; | |
295 | } | |
296 | } | |
297 | } | |
298 | for ( Int_t ipmt=12; ipmt<24; ipmt++){ | |
299 | if(time[ipmt] > 1) { | |
300 | if(time[ipmt]<besttimeA) { | |
301 | besttimeA=time[ipmt]; //timeA | |
302 | pmtBestA=ipmt;} | |
303 | } | |
304 | } | |
305 | if(besttimeA !=999999) frecpoints->SetTimeBestA(Int_t(besttimeA)); | |
306 | if( besttimeC != 999999 ) frecpoints->SetTimeBestC(Int_t(besttimeC)); | |
307 | AliDebug(1,Form(" besttimeA %f ps, besttimeC %f ps",besttimeA, besttimeC)); | |
308 | Float_t c = 0.0299792; // cm/ps | |
309 | Float_t vertex = 0; | |
310 | if(besttimeA !=999999 && besttimeC != 999999 ){ | |
94c27e4f | 311 | timeDiff = (besttimeC - besttimeA)*channelWidth; |
8955c6b4 | 312 | meanTime = (meanT0 - (besttimeA + besttimeC)/2) * channelWidth; |
f16935f7 | 313 | vertex = c*(timeDiff)/2. + (fdZonA - fdZonC)/2; //-(lenr-lenl))/2; |
c41ceaac | 314 | AliDebug(1,Form(" timeDiff %f ps, meanTime %f ps, vertex %f cm",timeDiff, meanTime,vertex )); |
315 | frecpoints->SetVertex(vertex); | |
316 | frecpoints->SetMeanTime(Int_t(meanTime)); | |
317 | ||
318 | } | |
94c27e4f | 319 | //time in each channel as time[ipmt]-MeanTimeinThisChannel(with vertex=0) |
8955c6b4 | 320 | /* |
94c27e4f | 321 | for (Int_t ipmt=0; ipmt<24; ipmt++) { |
322 | if(time[ipmt]>1) { | |
74adb36a | 323 | time[ipmt] = (time[ipmt] - fTime0vertex[ipmt])*channelWidth; |
94c27e4f | 324 | frecpoints->SetTime(ipmt,time[ipmt]); |
325 | } | |
8955c6b4 | 326 | } |
327 | */ | |
c41ceaac | 328 | recTree->Fill(); |
94c27e4f | 329 | |
bd375212 | 330 | |
331 | delete timeCFD; | |
332 | delete timeLED; | |
333 | delete chargeQT0; | |
334 | delete chargeQT1; | |
335 | ||
c41ceaac | 336 | } |
337 | //____________________________________________________________ | |
338 | ||
d76c31f4 | 339 | void AliT0Reconstructor::FillESD(TTree */*digitsTree*/, TTree *clustersTree, AliESDEvent *pESD) const |
dc7ca31d | 340 | { |
341 | ||
342 | /*************************************************** | |
343 | Resonstruct digits to vertex position | |
344 | ****************************************************/ | |
345 | ||
dc7ca31d | 346 | AliDebug(1,Form("Start FillESD T0")); |
347 | ||
d76c31f4 | 348 | TTree *treeR = clustersTree; |
dc7ca31d | 349 | |
350 | AliT0RecPoint* frecpoints= new AliT0RecPoint (); | |
351 | if (!frecpoints) { | |
352 | AliError("Reconstruct Fill ESD >> no recpoints found"); | |
353 | return; | |
354 | } | |
355 | ||
356 | AliDebug(1,Form("Start FillESD T0")); | |
357 | TBranch *brRec = treeR->GetBranch("T0"); | |
358 | if (brRec) { | |
359 | brRec->SetAddress(&frecpoints); | |
360 | }else{ | |
f16935f7 | 361 | AliError(Form("EXEC Branch T0 rec not found")); |
dc7ca31d | 362 | return; |
363 | } | |
364 | ||
365 | brRec->GetEntry(0); | |
f16935f7 | 366 | Float_t amp[24], time[24]; |
367 | Float_t zPosition = frecpoints -> GetVertex(); | |
368 | Float_t timeStart = frecpoints -> GetMeanTime() ; | |
369 | for ( Int_t i=0; i<24; i++) { | |
94c27e4f | 370 | time[i] = Float_t (frecpoints -> GetTime(i)); // ps to ns |
dc7ca31d | 371 | amp[i] = frecpoints -> GetAmp(i); |
372 | } | |
f16935f7 | 373 | pESD->SetT0zVertex(zPosition); //vertex Z position |
dc7ca31d | 374 | pESD->SetT0(timeStart); // interaction time |
375 | pESD->SetT0time(time); // best TOF on each PMT | |
376 | pESD->SetT0amplitude(amp); // number of particles(MIPs) on each PMT | |
5325480c | 377 | |
f16935f7 | 378 | AliDebug(1,Form(" Z position %f cm, T0 %f ps",zPosition , timeStart)); |
dc7ca31d | 379 | |
dc7ca31d | 380 | } // vertex in 3 sigma |
381 | ||
382 | ||
383 | ||
384 | ||
385 | ||
386 |