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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> |
bd375212 | 41 | //#include <TGeoManager.h> |
42 | //#include <TClonesArray.h> | |
43 | //#include <TString.h> | |
44 | //#include <TGeoPNEntry.h> | |
45 | //#include <TGeoPhysicalNode.h> | |
46 | //#include <TGeoHMatrix.h> | |
dc7ca31d | 47 | |
48 | ClassImp(AliT0Reconstructor) | |
49 | ||
c41ceaac | 50 | AliT0Reconstructor:: AliT0Reconstructor(): AliReconstructor(), |
d76c31f4 | 51 | fZposition(0), |
52 | fParam(NULL), | |
53 | fAmpLEDrec(), | |
54 | fdZ_A(0), | |
55 | fdZ_C(0) | |
e0bba6cc | 56 | { |
c41ceaac | 57 | AliDebug(1,"Start reconstructor "); |
74adb36a | 58 | |
59 | fParam = AliT0Parameters::Instance(); | |
60 | fParam->Init(); | |
74adb36a | 61 | for (Int_t i=0; i<24; i++){ |
62 | TGraph* gr = fParam ->GetAmpLEDRec(i); | |
63 | fAmpLEDrec.AddAtAndExpand(gr,i) ; | |
64 | fTime0vertex[i]= fParam->GetTimeDelayDA(i); | |
65 | } | |
29d3e0eb | 66 | fdZ_C = TMath::Abs(fParam->GetZPositionShift("T0/C/PMT1")); |
67 | fdZ_A = TMath::Abs(fParam->GetZPositionShift("T0/A/PMT15")); | |
74adb36a | 68 | |
c41ceaac | 69 | } |
70 | //____________________________________________________________________ | |
e0bba6cc | 71 | |
c41ceaac | 72 | AliT0Reconstructor::AliT0Reconstructor(const AliT0Reconstructor &r): |
d76c31f4 | 73 | AliReconstructor(r), |
74 | fZposition(0), | |
75 | fParam(NULL), | |
76 | fAmpLEDrec(), | |
77 | fdZ_A(0), | |
78 | fdZ_C(0) | |
c41ceaac | 79 | { |
80 | // | |
81 | // AliT0Reconstructor copy constructor | |
82 | // | |
e0bba6cc | 83 | |
c41ceaac | 84 | ((AliT0Reconstructor &) r).Copy(*this); |
e0bba6cc | 85 | |
86 | } | |
87 | ||
c41ceaac | 88 | //_____________________________________________________________________________ |
89 | AliT0Reconstructor &AliT0Reconstructor::operator=(const AliT0Reconstructor &r) | |
dc7ca31d | 90 | { |
c41ceaac | 91 | // |
92 | // Assignment operator | |
93 | // | |
94 | ||
95 | if (this != &r) ((AliT0Reconstructor &) r).Copy(*this); | |
96 | return *this; | |
e0bba6cc | 97 | |
dc7ca31d | 98 | } |
c41ceaac | 99 | |
100 | //_____________________________________________________________________________ | |
101 | ||
dc7ca31d | 102 | void AliT0Reconstructor::Reconstruct(TTree*digitsTree, TTree*clustersTree) const |
94c27e4f | 103 | |
dc7ca31d | 104 | { |
94c27e4f | 105 | // T0 digits reconstruction |
106 | // T0RecPoint writing | |
c41ceaac | 107 | |
74adb36a | 108 | |
c41ceaac | 109 | TArrayI * timeCFD = new TArrayI(24); |
110 | TArrayI * timeLED = new TArrayI(24); | |
111 | TArrayI * chargeQT0 = new TArrayI(24); | |
112 | TArrayI * chargeQT1 = new TArrayI(24); | |
74adb36a | 113 | |
c41ceaac | 114 | AliT0Calibrator *calib=new AliT0Calibrator(); |
dc7ca31d | 115 | |
94c27e4f | 116 | // Int_t mV2Mip = param->GetmV2Mip(); |
dc7ca31d | 117 | //mV2Mip = param->GetmV2Mip(); |
8955c6b4 | 118 | Float_t channelWidth = fParam->GetChannelWidth() ; |
74adb36a | 119 | Int_t meanT0 = fParam->GetMeanT0(); |
94c27e4f | 120 | |
dc7ca31d | 121 | AliDebug(1,Form("Start DIGITS reconstruction ")); |
94c27e4f | 122 | |
dc7ca31d | 123 | TBranch *brDigits=digitsTree->GetBranch("T0"); |
e0bba6cc | 124 | AliT0digit *fDigits = new AliT0digit() ; |
dc7ca31d | 125 | if (brDigits) { |
126 | brDigits->SetAddress(&fDigits); | |
127 | }else{ | |
128 | cerr<<"EXEC Branch T0 digits not found"<<endl; | |
129 | return; | |
130 | } | |
e0bba6cc | 131 | |
c41ceaac | 132 | digitsTree->GetEvent(0); |
133 | digitsTree->GetEntry(0); | |
134 | brDigits->GetEntry(0); | |
135 | fDigits->GetTimeCFD(*timeCFD); | |
136 | fDigits->GetTimeLED(*timeLED); | |
137 | fDigits->GetQT0(*chargeQT0); | |
138 | fDigits->GetQT1(*chargeQT1); | |
139 | ||
140 | Float_t besttimeA=999999; | |
141 | Float_t besttimeC=999999; | |
142 | Int_t pmtBestA=99999; | |
143 | Int_t pmtBestC=99999; | |
dc7ca31d | 144 | Float_t timeDiff=999999, meanTime=0; |
145 | ||
e0bba6cc | 146 | |
147 | ||
94c27e4f | 148 | AliT0RecPoint* frecpoints= new AliT0RecPoint (); |
149 | clustersTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1); | |
150 | ||
dc7ca31d | 151 | Float_t time[24], adc[24]; |
152 | for (Int_t ipmt=0; ipmt<24; ipmt++) { | |
c41ceaac | 153 | if(timeCFD->At(ipmt)>0 ){ |
29d3e0eb | 154 | Double_t qt0 = Double_t(chargeQT0->At(ipmt)); |
155 | Double_t qt1 = Double_t(chargeQT1->At(ipmt)); | |
c41ceaac | 156 | if((qt1-qt0)>0) adc[ipmt] = TMath::Exp( Double_t (channelWidth*(qt1-qt0)/1000)); |
29d3e0eb | 157 | time[ipmt] = calib-> WalkCorrection( ipmt,Int_t(qt1) , timeCFD->At(ipmt) ) ; |
c41ceaac | 158 | |
159 | //LED | |
29d3e0eb | 160 | Double_t sl = (timeLED->At(ipmt) - time[ipmt])*channelWidth; |
74adb36a | 161 | Double_t qt=((TGraph*)fAmpLEDrec.At(ipmt))->Eval(sl/1000.); |
29d3e0eb | 162 | frecpoints->SetTime(ipmt,time[ipmt]); |
dc7ca31d | 163 | frecpoints->SetAmp(ipmt,adc[ipmt]); |
c41ceaac | 164 | frecpoints->SetAmpLED(ipmt,qt); |
dc7ca31d | 165 | } |
166 | else { | |
167 | time[ipmt] = 0; | |
168 | adc[ipmt] = 0; | |
169 | } | |
170 | } | |
94c27e4f | 171 | |
dc7ca31d | 172 | for (Int_t ipmt=0; ipmt<12; ipmt++){ |
173 | if(time[ipmt] > 1 ) { | |
c41ceaac | 174 | if(time[ipmt]<besttimeC){ |
175 | besttimeC=time[ipmt]; //timeC | |
176 | pmtBestC=ipmt; | |
dc7ca31d | 177 | } |
178 | } | |
179 | } | |
180 | for ( Int_t ipmt=12; ipmt<24; ipmt++){ | |
181 | if(time[ipmt] > 1) { | |
c41ceaac | 182 | if(time[ipmt]<besttimeA) { |
183 | besttimeA=time[ipmt]; //timeA | |
184 | pmtBestA=ipmt;} | |
dc7ca31d | 185 | } |
186 | } | |
c41ceaac | 187 | if(besttimeA !=999999) frecpoints->SetTimeBestA(Int_t(besttimeA)); |
188 | if( besttimeC != 999999 ) frecpoints->SetTimeBestC(Int_t(besttimeC)); | |
189 | AliDebug(1,Form(" besttimeA %f ps, besttimeC %f ps",besttimeA, besttimeC)); | |
dc7ca31d | 190 | Float_t c = 0.0299792; // cm/ps |
191 | Float_t vertex = 0; | |
c41ceaac | 192 | if(besttimeA !=999999 && besttimeC != 999999 ){ |
94c27e4f | 193 | timeDiff =(besttimeC - besttimeA)*channelWidth; |
194 | meanTime = (meanT0 - (besttimeA + besttimeC)/2) * channelWidth; | |
29d3e0eb | 195 | vertex = c*(timeDiff)/2. + (fdZ_A - fdZ_C)/2; //-(lenr-lenl))/2; |
dc7ca31d | 196 | AliDebug(1,Form(" timeDiff %f ps, meanTime %f ps, vertex %f cm",timeDiff, meanTime,vertex )); |
197 | frecpoints->SetVertex(vertex); | |
198 | frecpoints->SetMeanTime(Int_t(meanTime)); | |
199 | ||
200 | } | |
94c27e4f | 201 | //time in each channel as time[ipmt]-MeanTimeinThisChannel(with vertex=0) |
202 | for (Int_t ipmt=0; ipmt<24; ipmt++) { | |
203 | if(time[ipmt]>1) { | |
74adb36a | 204 | time[ipmt] = (time[ipmt] - fTime0vertex[ipmt])*channelWidth; |
94c27e4f | 205 | frecpoints->SetTime(ipmt,time[ipmt]); |
206 | } | |
207 | } | |
dc7ca31d | 208 | clustersTree->Fill(); |
bd375212 | 209 | |
210 | delete timeCFD; | |
211 | delete timeLED; | |
212 | delete chargeQT0; | |
213 | delete chargeQT1; | |
dc7ca31d | 214 | } |
215 | ||
216 | ||
c41ceaac | 217 | //_______________________________________________________________________ |
218 | ||
219 | void AliT0Reconstructor::Reconstruct(AliRawReader* rawReader, TTree*recTree) const | |
220 | { | |
94c27e4f | 221 | // T0 raw -> |
222 | // T0RecPoint writing | |
223 | ||
224 | //Q->T-> coefficients !!!! should be measured!!! | |
5325480c | 225 | Int_t allData[110][5]; |
94c27e4f | 226 | |
c41ceaac | 227 | TArrayI * timeCFD = new TArrayI(24); |
228 | TArrayI * timeLED = new TArrayI(24); | |
229 | TArrayI * chargeQT0 = new TArrayI(24); | |
230 | TArrayI * chargeQT1 = new TArrayI(24); | |
231 | ||
5325480c | 232 | for (Int_t i=0; i<110; i++) { |
233 | allData[i][0]=0; | |
234 | } | |
235 | ||
c41ceaac | 236 | AliT0RawReader myrawreader(rawReader); |
237 | if (!myrawreader.Next()) | |
238 | AliDebug(1,Form(" no raw data found!! %i", myrawreader.Next())); | |
c41ceaac | 239 | for (Int_t i=0; i<110; i++) { |
240 | allData[i][0]=myrawreader.GetData(i,0); | |
241 | } | |
74adb36a | 242 | AliT0Calibrator *calib = new AliT0Calibrator(); |
c41ceaac | 243 | |
74adb36a | 244 | // Int_t mV2Mip = param->GetmV2Mip(); |
c41ceaac | 245 | //mV2Mip = param->GetmV2Mip(); |
8955c6b4 | 246 | Float_t channelWidth = fParam->GetChannelWidth() ; |
247 | ||
74adb36a | 248 | Int_t meanT0 = fParam->GetMeanT0(); |
249 | ||
5325480c | 250 | for (Int_t in=0; in<24; in++) |
c41ceaac | 251 | { |
252 | timeLED->AddAt(allData[in+1][0],in); | |
253 | timeCFD->AddAt(allData[in+25][0],in); | |
29d3e0eb | 254 | chargeQT1->AddAt(allData[in+57][0],in); |
255 | chargeQT0->AddAt(allData[in+80][0],in); | |
c41ceaac | 256 | AliDebug(10, Form(" readed Raw %i %i %i %i %i", in, timeLED->At(in),timeCFD->At(in),chargeQT0->At(in),chargeQT1->At(in))); |
257 | } | |
258 | ||
259 | Float_t besttimeA=999999; | |
260 | Float_t besttimeC=999999; | |
261 | Int_t pmtBestA=99999; | |
262 | Int_t pmtBestC=99999; | |
263 | Float_t timeDiff=999999, meanTime=0; | |
264 | ||
265 | ||
266 | AliT0RecPoint* frecpoints= new AliT0RecPoint (); | |
267 | ||
268 | recTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1); | |
269 | ||
270 | ||
271 | Float_t time[24], adc[24]; | |
272 | for (Int_t ipmt=0; ipmt<24; ipmt++) { | |
273 | if(timeCFD->At(ipmt)>0 ){ | |
29d3e0eb | 274 | Double_t qt0 = Double_t(chargeQT0->At(ipmt)); |
275 | Double_t qt1 = Double_t(chargeQT1->At(ipmt)); | |
c41ceaac | 276 | if((qt1-qt0)>0) adc[ipmt] = TMath::Exp( Double_t (channelWidth*(qt1-qt0)/1000)); |
94c27e4f | 277 | // time[ipmt] = channelWidth * (calib-> WalkCorrection( ipmt,qt1 , timeCFD->At(ipmt) ) ) ; |
29d3e0eb | 278 | time[ipmt] = calib-> WalkCorrection( ipmt,Int_t(qt1) , timeCFD->At(ipmt) ) ; |
279 | Double_t sl = (timeLED->At(ipmt) - time[ipmt])*channelWidth; | |
74adb36a | 280 | Double_t qt=((TGraph*)fAmpLEDrec.At(ipmt))->Eval(sl/1000.); |
c41ceaac | 281 | frecpoints->SetTime(ipmt,time[ipmt]); |
282 | frecpoints->SetAmp(ipmt,adc[ipmt]); | |
283 | frecpoints->SetAmpLED(ipmt,qt); | |
8955c6b4 | 284 | 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)); |
285 | ||
c41ceaac | 286 | } |
287 | else { | |
288 | time[ipmt] = 0; | |
289 | adc[ipmt] = 0; | |
290 | } | |
291 | } | |
292 | ||
293 | for (Int_t ipmt=0; ipmt<12; ipmt++){ | |
294 | if(time[ipmt] > 1 ) { | |
295 | if(time[ipmt]<besttimeC){ | |
296 | besttimeC=time[ipmt]; //timeC | |
297 | pmtBestC=ipmt; | |
298 | } | |
299 | } | |
300 | } | |
301 | for ( Int_t ipmt=12; ipmt<24; ipmt++){ | |
302 | if(time[ipmt] > 1) { | |
303 | if(time[ipmt]<besttimeA) { | |
304 | besttimeA=time[ipmt]; //timeA | |
305 | pmtBestA=ipmt;} | |
306 | } | |
307 | } | |
308 | if(besttimeA !=999999) frecpoints->SetTimeBestA(Int_t(besttimeA)); | |
309 | if( besttimeC != 999999 ) frecpoints->SetTimeBestC(Int_t(besttimeC)); | |
310 | AliDebug(1,Form(" besttimeA %f ps, besttimeC %f ps",besttimeA, besttimeC)); | |
311 | Float_t c = 0.0299792; // cm/ps | |
312 | Float_t vertex = 0; | |
313 | if(besttimeA !=999999 && besttimeC != 999999 ){ | |
94c27e4f | 314 | timeDiff = (besttimeC - besttimeA)*channelWidth; |
8955c6b4 | 315 | meanTime = (meanT0 - (besttimeA + besttimeC)/2) * channelWidth; |
29d3e0eb | 316 | vertex = c*(timeDiff)/2. + (fdZ_A - fdZ_C)/2; //-(lenr-lenl))/2; |
c41ceaac | 317 | AliDebug(1,Form(" timeDiff %f ps, meanTime %f ps, vertex %f cm",timeDiff, meanTime,vertex )); |
318 | frecpoints->SetVertex(vertex); | |
319 | frecpoints->SetMeanTime(Int_t(meanTime)); | |
320 | ||
321 | } | |
94c27e4f | 322 | //time in each channel as time[ipmt]-MeanTimeinThisChannel(with vertex=0) |
8955c6b4 | 323 | /* |
94c27e4f | 324 | for (Int_t ipmt=0; ipmt<24; ipmt++) { |
325 | if(time[ipmt]>1) { | |
74adb36a | 326 | time[ipmt] = (time[ipmt] - fTime0vertex[ipmt])*channelWidth; |
94c27e4f | 327 | frecpoints->SetTime(ipmt,time[ipmt]); |
328 | } | |
8955c6b4 | 329 | } |
330 | */ | |
c41ceaac | 331 | recTree->Fill(); |
94c27e4f | 332 | |
bd375212 | 333 | |
334 | delete timeCFD; | |
335 | delete timeLED; | |
336 | delete chargeQT0; | |
337 | delete chargeQT1; | |
338 | ||
c41ceaac | 339 | } |
340 | //____________________________________________________________ | |
341 | ||
d76c31f4 | 342 | void AliT0Reconstructor::FillESD(TTree */*digitsTree*/, TTree *clustersTree, AliESDEvent *pESD) const |
dc7ca31d | 343 | { |
344 | ||
345 | /*************************************************** | |
346 | Resonstruct digits to vertex position | |
347 | ****************************************************/ | |
348 | ||
dc7ca31d | 349 | AliDebug(1,Form("Start FillESD T0")); |
350 | ||
d76c31f4 | 351 | TTree *treeR = clustersTree; |
dc7ca31d | 352 | |
353 | AliT0RecPoint* frecpoints= new AliT0RecPoint (); | |
354 | if (!frecpoints) { | |
355 | AliError("Reconstruct Fill ESD >> no recpoints found"); | |
356 | return; | |
357 | } | |
358 | ||
359 | AliDebug(1,Form("Start FillESD T0")); | |
360 | TBranch *brRec = treeR->GetBranch("T0"); | |
361 | if (brRec) { | |
362 | brRec->SetAddress(&frecpoints); | |
363 | }else{ | |
364 | cerr<<"EXEC Branch T0 rec not found"<<endl; | |
365 | // exit(111); | |
366 | return; | |
367 | } | |
368 | ||
369 | brRec->GetEntry(0); | |
370 | Float_t timeStart, Zposition, amp[24], time[24]; | |
371 | Int_t i; | |
372 | Zposition = frecpoints -> GetVertex(); | |
94c27e4f | 373 | timeStart = frecpoints -> GetMeanTime() ; |
dc7ca31d | 374 | for ( i=0; i<24; i++) { |
94c27e4f | 375 | time[i] = Float_t (frecpoints -> GetTime(i)); // ps to ns |
dc7ca31d | 376 | amp[i] = frecpoints -> GetAmp(i); |
377 | } | |
378 | pESD->SetT0zVertex(Zposition); //vertex Z position | |
379 | pESD->SetT0(timeStart); // interaction time | |
380 | pESD->SetT0time(time); // best TOF on each PMT | |
381 | pESD->SetT0amplitude(amp); // number of particles(MIPs) on each PMT | |
5325480c | 382 | |
383 | AliDebug(1,Form(" Z position %f cm, T0 %f ps",Zposition , timeStart)); | |
dc7ca31d | 384 | |
dc7ca31d | 385 | } // vertex in 3 sigma |
386 | ||
387 | ||
388 | ||
389 | ||
390 | ||
391 |