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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" | |
dc7ca31d | 23 | #include <AliESD.h> |
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> | |
bd375212 | 40 | //#include <TGeoManager.h> |
41 | //#include <TClonesArray.h> | |
42 | //#include <TString.h> | |
43 | //#include <TGeoPNEntry.h> | |
44 | //#include <TGeoPhysicalNode.h> | |
45 | //#include <TGeoHMatrix.h> | |
dc7ca31d | 46 | |
47 | ClassImp(AliT0Reconstructor) | |
48 | ||
c41ceaac | 49 | AliT0Reconstructor:: AliT0Reconstructor(): AliReconstructor(), |
bd375212 | 50 | fZposition(0) |
c41ceaac | 51 | |
e0bba6cc | 52 | { |
c41ceaac | 53 | AliDebug(1,"Start reconstructor "); |
74adb36a | 54 | |
55 | fParam = AliT0Parameters::Instance(); | |
56 | fParam->Init(); | |
57 | ||
58 | for (Int_t i=0; i<24; i++){ | |
59 | TGraph* gr = fParam ->GetAmpLEDRec(i); | |
60 | fAmpLEDrec.AddAtAndExpand(gr,i) ; | |
61 | fTime0vertex[i]= fParam->GetTimeDelayDA(i); | |
62 | } | |
63 | ||
c41ceaac | 64 | } |
65 | //____________________________________________________________________ | |
e0bba6cc | 66 | |
c41ceaac | 67 | AliT0Reconstructor::AliT0Reconstructor(const AliT0Reconstructor &r): |
c41ceaac | 68 | fZposition(0) |
69 | ||
70 | { | |
71 | // | |
72 | // AliT0Reconstructor copy constructor | |
73 | // | |
e0bba6cc | 74 | |
c41ceaac | 75 | ((AliT0Reconstructor &) r).Copy(*this); |
e0bba6cc | 76 | |
77 | } | |
78 | ||
c41ceaac | 79 | //_____________________________________________________________________________ |
80 | AliT0Reconstructor &AliT0Reconstructor::operator=(const AliT0Reconstructor &r) | |
dc7ca31d | 81 | { |
c41ceaac | 82 | // |
83 | // Assignment operator | |
84 | // | |
85 | ||
86 | if (this != &r) ((AliT0Reconstructor &) r).Copy(*this); | |
87 | return *this; | |
e0bba6cc | 88 | |
dc7ca31d | 89 | } |
c41ceaac | 90 | |
91 | //_____________________________________________________________________________ | |
92 | ||
dc7ca31d | 93 | void AliT0Reconstructor::Reconstruct(TTree*digitsTree, TTree*clustersTree) const |
94c27e4f | 94 | |
dc7ca31d | 95 | { |
94c27e4f | 96 | // T0 digits reconstruction |
97 | // T0RecPoint writing | |
c41ceaac | 98 | |
74adb36a | 99 | |
c41ceaac | 100 | TArrayI * timeCFD = new TArrayI(24); |
101 | TArrayI * timeLED = new TArrayI(24); | |
102 | TArrayI * chargeQT0 = new TArrayI(24); | |
103 | TArrayI * chargeQT1 = new TArrayI(24); | |
74adb36a | 104 | |
c41ceaac | 105 | AliT0Calibrator *calib=new AliT0Calibrator(); |
dc7ca31d | 106 | |
94c27e4f | 107 | // Int_t mV2Mip = param->GetmV2Mip(); |
dc7ca31d | 108 | //mV2Mip = param->GetmV2Mip(); |
74adb36a | 109 | Int_t channelWidth = fParam->GetChannelWidth() ; |
110 | Int_t meanT0 = fParam->GetMeanT0(); | |
94c27e4f | 111 | |
dc7ca31d | 112 | AliDebug(1,Form("Start DIGITS reconstruction ")); |
94c27e4f | 113 | |
dc7ca31d | 114 | TBranch *brDigits=digitsTree->GetBranch("T0"); |
e0bba6cc | 115 | AliT0digit *fDigits = new AliT0digit() ; |
dc7ca31d | 116 | if (brDigits) { |
117 | brDigits->SetAddress(&fDigits); | |
118 | }else{ | |
119 | cerr<<"EXEC Branch T0 digits not found"<<endl; | |
120 | return; | |
121 | } | |
e0bba6cc | 122 | |
c41ceaac | 123 | digitsTree->GetEvent(0); |
124 | digitsTree->GetEntry(0); | |
125 | brDigits->GetEntry(0); | |
126 | fDigits->GetTimeCFD(*timeCFD); | |
127 | fDigits->GetTimeLED(*timeLED); | |
128 | fDigits->GetQT0(*chargeQT0); | |
129 | fDigits->GetQT1(*chargeQT1); | |
130 | ||
131 | Float_t besttimeA=999999; | |
132 | Float_t besttimeC=999999; | |
133 | Int_t pmtBestA=99999; | |
134 | Int_t pmtBestC=99999; | |
dc7ca31d | 135 | Float_t timeDiff=999999, meanTime=0; |
136 | ||
e0bba6cc | 137 | |
138 | ||
94c27e4f | 139 | AliT0RecPoint* frecpoints= new AliT0RecPoint (); |
140 | clustersTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1); | |
141 | ||
dc7ca31d | 142 | Float_t time[24], adc[24]; |
143 | for (Int_t ipmt=0; ipmt<24; ipmt++) { | |
c41ceaac | 144 | if(timeCFD->At(ipmt)>0 ){ |
145 | Int_t qt0= chargeQT0->At(ipmt); | |
146 | Int_t qt1= chargeQT1->At(ipmt); | |
147 | if((qt1-qt0)>0) adc[ipmt] = TMath::Exp( Double_t (channelWidth*(qt1-qt0)/1000)); | |
94c27e4f | 148 | // time[ipmt] = channelWidth * (calib-> WalkCorrection( ipmt,qt1 , timeCFD->At(ipmt) ) ) ; |
149 | time[ipmt] = calib-> WalkCorrection( ipmt,qt1 , timeCFD->At(ipmt) ) ; | |
c41ceaac | 150 | |
151 | //LED | |
94c27e4f | 152 | Double_t sl = (timeLED->At(ipmt) - timeCFD->At(ipmt))*channelWidth; |
74adb36a | 153 | Double_t qt=((TGraph*)fAmpLEDrec.At(ipmt))->Eval(sl/1000.); |
94c27e4f | 154 | // frecpoints->SetTime(ipmt,time[ipmt]); |
dc7ca31d | 155 | frecpoints->SetAmp(ipmt,adc[ipmt]); |
c41ceaac | 156 | frecpoints->SetAmpLED(ipmt,qt); |
dc7ca31d | 157 | } |
158 | else { | |
159 | time[ipmt] = 0; | |
160 | adc[ipmt] = 0; | |
161 | } | |
162 | } | |
94c27e4f | 163 | |
dc7ca31d | 164 | for (Int_t ipmt=0; ipmt<12; ipmt++){ |
165 | if(time[ipmt] > 1 ) { | |
c41ceaac | 166 | if(time[ipmt]<besttimeC){ |
167 | besttimeC=time[ipmt]; //timeC | |
168 | pmtBestC=ipmt; | |
dc7ca31d | 169 | } |
170 | } | |
171 | } | |
172 | for ( Int_t ipmt=12; ipmt<24; ipmt++){ | |
173 | if(time[ipmt] > 1) { | |
c41ceaac | 174 | if(time[ipmt]<besttimeA) { |
175 | besttimeA=time[ipmt]; //timeA | |
176 | pmtBestA=ipmt;} | |
dc7ca31d | 177 | } |
178 | } | |
c41ceaac | 179 | if(besttimeA !=999999) frecpoints->SetTimeBestA(Int_t(besttimeA)); |
180 | if( besttimeC != 999999 ) frecpoints->SetTimeBestC(Int_t(besttimeC)); | |
181 | AliDebug(1,Form(" besttimeA %f ps, besttimeC %f ps",besttimeA, besttimeC)); | |
dc7ca31d | 182 | Float_t c = 0.0299792; // cm/ps |
183 | Float_t vertex = 0; | |
c41ceaac | 184 | if(besttimeA !=999999 && besttimeC != 999999 ){ |
94c27e4f | 185 | timeDiff =(besttimeC - besttimeA)*channelWidth; |
186 | meanTime = (meanT0 - (besttimeA + besttimeC)/2) * channelWidth; | |
dc7ca31d | 187 | vertex = c*(timeDiff)/2.; //-(lenr-lenl))/2; |
188 | AliDebug(1,Form(" timeDiff %f ps, meanTime %f ps, vertex %f cm",timeDiff, meanTime,vertex )); | |
189 | frecpoints->SetVertex(vertex); | |
190 | frecpoints->SetMeanTime(Int_t(meanTime)); | |
191 | ||
192 | } | |
94c27e4f | 193 | //time in each channel as time[ipmt]-MeanTimeinThisChannel(with vertex=0) |
194 | for (Int_t ipmt=0; ipmt<24; ipmt++) { | |
195 | if(time[ipmt]>1) { | |
74adb36a | 196 | time[ipmt] = (time[ipmt] - fTime0vertex[ipmt])*channelWidth; |
94c27e4f | 197 | frecpoints->SetTime(ipmt,time[ipmt]); |
198 | } | |
199 | } | |
dc7ca31d | 200 | clustersTree->Fill(); |
bd375212 | 201 | |
202 | delete timeCFD; | |
203 | delete timeLED; | |
204 | delete chargeQT0; | |
205 | delete chargeQT1; | |
dc7ca31d | 206 | } |
207 | ||
208 | ||
c41ceaac | 209 | //_______________________________________________________________________ |
210 | ||
211 | void AliT0Reconstructor::Reconstruct(AliRawReader* rawReader, TTree*recTree) const | |
212 | { | |
94c27e4f | 213 | // T0 raw -> |
214 | // T0RecPoint writing | |
215 | ||
216 | //Q->T-> coefficients !!!! should be measured!!! | |
5325480c | 217 | Int_t allData[110][5]; |
94c27e4f | 218 | |
c41ceaac | 219 | TArrayI * timeCFD = new TArrayI(24); |
220 | TArrayI * timeLED = new TArrayI(24); | |
221 | TArrayI * chargeQT0 = new TArrayI(24); | |
222 | TArrayI * chargeQT1 = new TArrayI(24); | |
223 | ||
5325480c | 224 | for (Int_t i=0; i<110; i++) { |
225 | allData[i][0]=0; | |
226 | } | |
227 | ||
c41ceaac | 228 | AliT0RawReader myrawreader(rawReader); |
229 | if (!myrawreader.Next()) | |
230 | AliDebug(1,Form(" no raw data found!! %i", myrawreader.Next())); | |
c41ceaac | 231 | for (Int_t i=0; i<110; i++) { |
232 | allData[i][0]=myrawreader.GetData(i,0); | |
233 | } | |
74adb36a | 234 | AliT0Calibrator *calib = new AliT0Calibrator(); |
c41ceaac | 235 | |
74adb36a | 236 | // Int_t mV2Mip = param->GetmV2Mip(); |
c41ceaac | 237 | //mV2Mip = param->GetmV2Mip(); |
74adb36a | 238 | Int_t channelWidth = fParam->GetChannelWidth() ; |
239 | Int_t meanT0 = fParam->GetMeanT0(); | |
240 | ||
5325480c | 241 | for (Int_t in=0; in<24; in++) |
c41ceaac | 242 | { |
243 | timeLED->AddAt(allData[in+1][0],in); | |
244 | timeCFD->AddAt(allData[in+25][0],in); | |
245 | chargeQT1->AddAt(allData[in+55][0],in); | |
246 | chargeQT0->AddAt(allData[in+79][0],in); | |
247 | AliDebug(10, Form(" readed Raw %i %i %i %i %i", in, timeLED->At(in),timeCFD->At(in),chargeQT0->At(in),chargeQT1->At(in))); | |
248 | } | |
249 | ||
250 | Float_t besttimeA=999999; | |
251 | Float_t besttimeC=999999; | |
252 | Int_t pmtBestA=99999; | |
253 | Int_t pmtBestC=99999; | |
254 | Float_t timeDiff=999999, meanTime=0; | |
255 | ||
256 | ||
257 | AliT0RecPoint* frecpoints= new AliT0RecPoint (); | |
258 | ||
259 | recTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1); | |
260 | ||
261 | ||
262 | Float_t time[24], adc[24]; | |
263 | for (Int_t ipmt=0; ipmt<24; ipmt++) { | |
264 | if(timeCFD->At(ipmt)>0 ){ | |
265 | Int_t qt0= chargeQT0->At(ipmt); | |
266 | Int_t qt1= chargeQT1->At(ipmt); | |
267 | if((qt1-qt0)>0) adc[ipmt] = TMath::Exp( Double_t (channelWidth*(qt1-qt0)/1000)); | |
94c27e4f | 268 | // time[ipmt] = channelWidth * (calib-> WalkCorrection( ipmt,qt1 , timeCFD->At(ipmt) ) ) ; |
269 | time[ipmt] = calib-> WalkCorrection( ipmt,qt1 , timeCFD->At(ipmt) ) ; | |
270 | Double_t sl = (timeLED->At(ipmt) - timeCFD->At(ipmt))*channelWidth; | |
74adb36a | 271 | Double_t qt=((TGraph*)fAmpLEDrec.At(ipmt))->Eval(sl/1000.); |
c41ceaac | 272 | frecpoints->SetTime(ipmt,time[ipmt]); |
273 | frecpoints->SetAmp(ipmt,adc[ipmt]); | |
274 | frecpoints->SetAmpLED(ipmt,qt); | |
275 | } | |
276 | else { | |
277 | time[ipmt] = 0; | |
278 | adc[ipmt] = 0; | |
279 | } | |
280 | } | |
281 | ||
282 | for (Int_t ipmt=0; ipmt<12; ipmt++){ | |
283 | if(time[ipmt] > 1 ) { | |
284 | if(time[ipmt]<besttimeC){ | |
285 | besttimeC=time[ipmt]; //timeC | |
286 | pmtBestC=ipmt; | |
287 | } | |
288 | } | |
289 | } | |
290 | for ( Int_t ipmt=12; ipmt<24; ipmt++){ | |
291 | if(time[ipmt] > 1) { | |
292 | if(time[ipmt]<besttimeA) { | |
293 | besttimeA=time[ipmt]; //timeA | |
294 | pmtBestA=ipmt;} | |
295 | } | |
296 | } | |
297 | if(besttimeA !=999999) frecpoints->SetTimeBestA(Int_t(besttimeA)); | |
298 | if( besttimeC != 999999 ) frecpoints->SetTimeBestC(Int_t(besttimeC)); | |
299 | AliDebug(1,Form(" besttimeA %f ps, besttimeC %f ps",besttimeA, besttimeC)); | |
300 | Float_t c = 0.0299792; // cm/ps | |
301 | Float_t vertex = 0; | |
302 | if(besttimeA !=999999 && besttimeC != 999999 ){ | |
94c27e4f | 303 | timeDiff = (besttimeC - besttimeA)*channelWidth; |
304 | // meanTime = (besttimeA + besttimeC)/2.; | |
305 | meanTime = (meanT0 - (besttimeA + besttimeC)/2) * channelWidth; | |
c41ceaac | 306 | vertex = c*(timeDiff)/2.; //-(lenr-lenl))/2; |
307 | AliDebug(1,Form(" timeDiff %f ps, meanTime %f ps, vertex %f cm",timeDiff, meanTime,vertex )); | |
308 | frecpoints->SetVertex(vertex); | |
309 | frecpoints->SetMeanTime(Int_t(meanTime)); | |
310 | ||
311 | } | |
94c27e4f | 312 | //time in each channel as time[ipmt]-MeanTimeinThisChannel(with vertex=0) |
313 | for (Int_t ipmt=0; ipmt<24; ipmt++) { | |
314 | if(time[ipmt]>1) { | |
74adb36a | 315 | time[ipmt] = (time[ipmt] - fTime0vertex[ipmt])*channelWidth; |
94c27e4f | 316 | frecpoints->SetTime(ipmt,time[ipmt]); |
317 | } | |
318 | } | |
c41ceaac | 319 | recTree->Fill(); |
94c27e4f | 320 | |
bd375212 | 321 | |
322 | delete timeCFD; | |
323 | delete timeLED; | |
324 | delete chargeQT0; | |
325 | delete chargeQT1; | |
326 | ||
c41ceaac | 327 | } |
328 | //____________________________________________________________ | |
329 | ||
dc7ca31d | 330 | void AliT0Reconstructor::FillESD(AliRunLoader* runLoader, AliESD *pESD) const |
331 | { | |
332 | ||
333 | /*************************************************** | |
334 | Resonstruct digits to vertex position | |
335 | ****************************************************/ | |
336 | ||
337 | ||
338 | if (!runLoader) { | |
339 | AliError("Reconstruct >> No run loader"); | |
340 | return; | |
341 | } | |
342 | ||
343 | AliDebug(1,Form("Start FillESD T0")); | |
344 | ||
345 | AliT0Loader* pStartLoader = (AliT0Loader*) runLoader->GetLoader("T0Loader"); | |
346 | ||
347 | pStartLoader->LoadRecPoints("READ"); | |
348 | ||
349 | TTree *treeR = pStartLoader->TreeR(); | |
350 | ||
351 | AliT0RecPoint* frecpoints= new AliT0RecPoint (); | |
352 | if (!frecpoints) { | |
353 | AliError("Reconstruct Fill ESD >> no recpoints found"); | |
354 | return; | |
355 | } | |
356 | ||
357 | AliDebug(1,Form("Start FillESD T0")); | |
358 | TBranch *brRec = treeR->GetBranch("T0"); | |
359 | if (brRec) { | |
360 | brRec->SetAddress(&frecpoints); | |
361 | }else{ | |
362 | cerr<<"EXEC Branch T0 rec not found"<<endl; | |
363 | // exit(111); | |
364 | return; | |
365 | } | |
366 | ||
367 | brRec->GetEntry(0); | |
368 | Float_t timeStart, Zposition, amp[24], time[24]; | |
369 | Int_t i; | |
370 | Zposition = frecpoints -> GetVertex(); | |
94c27e4f | 371 | timeStart = frecpoints -> GetMeanTime() ; |
dc7ca31d | 372 | for ( i=0; i<24; i++) { |
94c27e4f | 373 | time[i] = Float_t (frecpoints -> GetTime(i)); // ps to ns |
dc7ca31d | 374 | amp[i] = frecpoints -> GetAmp(i); |
375 | } | |
376 | pESD->SetT0zVertex(Zposition); //vertex Z position | |
377 | pESD->SetT0(timeStart); // interaction time | |
378 | pESD->SetT0time(time); // best TOF on each PMT | |
379 | pESD->SetT0amplitude(amp); // number of particles(MIPs) on each PMT | |
5325480c | 380 | |
381 | AliDebug(1,Form(" Z position %f cm, T0 %f ps",Zposition , timeStart)); | |
dc7ca31d | 382 | |
383 | pStartLoader->UnloadRecPoints(); | |
384 | ||
385 | } // vertex in 3 sigma | |
386 | ||
387 | ||
388 | ||
389 | ||
390 | ||
391 |