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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 "); |
54 | } | |
55 | //____________________________________________________________________ | |
e0bba6cc | 56 | |
c41ceaac | 57 | AliT0Reconstructor::AliT0Reconstructor(const AliT0Reconstructor &r): |
c41ceaac | 58 | fZposition(0) |
59 | ||
60 | { | |
61 | // | |
62 | // AliT0Reconstructor copy constructor | |
63 | // | |
e0bba6cc | 64 | |
c41ceaac | 65 | ((AliT0Reconstructor &) r).Copy(*this); |
e0bba6cc | 66 | |
67 | } | |
68 | ||
c41ceaac | 69 | //_____________________________________________________________________________ |
70 | AliT0Reconstructor &AliT0Reconstructor::operator=(const AliT0Reconstructor &r) | |
dc7ca31d | 71 | { |
c41ceaac | 72 | // |
73 | // Assignment operator | |
74 | // | |
75 | ||
76 | if (this != &r) ((AliT0Reconstructor &) r).Copy(*this); | |
77 | return *this; | |
e0bba6cc | 78 | |
dc7ca31d | 79 | } |
c41ceaac | 80 | |
81 | //_____________________________________________________________________________ | |
82 | ||
dc7ca31d | 83 | void AliT0Reconstructor::Reconstruct(TTree*digitsTree, TTree*clustersTree) const |
c41ceaac | 84 | |
dc7ca31d | 85 | { |
86 | // T0 digits reconstruction | |
87 | // T0RecPoint writing | |
88 | ||
c41ceaac | 89 | |
90 | Float_t timeDelayLED[24]; | |
dc7ca31d | 91 | Float_t zdetA,zdetC; |
c41ceaac | 92 | TObjArray slewingLEDrec; |
93 | TObjArray walk; | |
dc7ca31d | 94 | |
c41ceaac | 95 | TArrayI * timeCFD = new TArrayI(24); |
96 | TArrayI * timeLED = new TArrayI(24); | |
97 | TArrayI * chargeQT0 = new TArrayI(24); | |
98 | TArrayI * chargeQT1 = new TArrayI(24); | |
99 | ||
dc7ca31d | 100 | AliT0Parameters* param = AliT0Parameters::Instance(); |
101 | param->Init(); | |
c41ceaac | 102 | AliT0Calibrator *calib=new AliT0Calibrator(); |
dc7ca31d | 103 | |
104 | Int_t mV2Mip = param->GetmV2Mip(); | |
105 | //mV2Mip = param->GetmV2Mip(); | |
106 | Int_t channelWidth = param->GetChannelWidth() ; | |
107 | ||
108 | for (Int_t i=0; i<24; i++){ | |
c41ceaac | 109 | TGraph* gr = param ->GetSlewRec(i); |
110 | slewingLEDrec.AddAtAndExpand(gr,i) ; | |
dc7ca31d | 111 | } |
112 | zdetC = param->GetZposition(0); | |
113 | zdetA = param->GetZposition(1); | |
114 | ||
115 | AliDebug(1,Form("Start DIGITS reconstruction ")); | |
e0bba6cc | 116 | |
dc7ca31d | 117 | TBranch *brDigits=digitsTree->GetBranch("T0"); |
e0bba6cc | 118 | AliT0digit *fDigits = new AliT0digit() ; |
dc7ca31d | 119 | if (brDigits) { |
120 | brDigits->SetAddress(&fDigits); | |
121 | }else{ | |
122 | cerr<<"EXEC Branch T0 digits not found"<<endl; | |
123 | return; | |
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 | ||
142 | AliT0RecPoint* frecpoints= new AliT0RecPoint (); | |
143 | clustersTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1); | |
dc7ca31d | 144 | |
145 | Float_t time[24], adc[24]; | |
146 | for (Int_t ipmt=0; ipmt<24; ipmt++) { | |
c41ceaac | 147 | if(timeCFD->At(ipmt)>0 ){ |
148 | Int_t qt0= chargeQT0->At(ipmt); | |
149 | Int_t qt1= chargeQT1->At(ipmt); | |
150 | if((qt1-qt0)>0) adc[ipmt] = TMath::Exp( Double_t (channelWidth*(qt1-qt0)/1000)); | |
151 | time[ipmt] = channelWidth * (calib-> WalkCorrection( ipmt,qt1 , timeCFD->At(ipmt) ) ) ; | |
152 | ||
153 | //LED | |
154 | Double_t sl = (timeLED->At(ipmt) - timeCFD->At(ipmt)- (1000.*timeDelayLED[ipmt]/channelWidth))*channelWidth; | |
155 | Double_t qt=((TGraph*)slewingLEDrec.At(ipmt))->Eval(sl/1000.); | |
dc7ca31d | 156 | frecpoints->SetTime(ipmt,time[ipmt]); |
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 | } | |
e0bba6cc | 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 ){ |
187 | timeDiff = besttimeC - besttimeA; | |
188 | meanTime = (besttimeA + besttimeC)/2.; | |
dc7ca31d | 189 | vertex = c*(timeDiff)/2.; //-(lenr-lenl))/2; |
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 | } | |
195 | clustersTree->Fill(); | |
bd375212 | 196 | |
197 | delete timeCFD; | |
198 | delete timeLED; | |
199 | delete chargeQT0; | |
200 | delete chargeQT1; | |
dc7ca31d | 201 | } |
202 | ||
203 | ||
c41ceaac | 204 | //_______________________________________________________________________ |
205 | ||
206 | void AliT0Reconstructor::Reconstruct(AliRawReader* rawReader, TTree*recTree) const | |
207 | { | |
208 | // T0 raw -> | |
209 | // T0RecPoint writing | |
210 | ||
211 | //Q->T-> coefficients !!!! should be asked!!! | |
212 | Float_t timeDelayLED[24]; | |
213 | Float_t zdetA,zdetC; | |
214 | TObjArray slewingLEDrec; | |
215 | TObjArray walk; | |
216 | ||
217 | TArrayI * timeCFD = new TArrayI(24); | |
218 | TArrayI * timeLED = new TArrayI(24); | |
219 | TArrayI * chargeQT0 = new TArrayI(24); | |
220 | TArrayI * chargeQT1 = new TArrayI(24); | |
221 | ||
222 | AliT0RawReader myrawreader(rawReader); | |
223 | if (!myrawreader.Next()) | |
224 | AliDebug(1,Form(" no raw data found!! %i", myrawreader.Next())); | |
225 | Int_t allData[110][5]; | |
226 | for (Int_t i=0; i<110; i++) { | |
227 | allData[i][0]=myrawreader.GetData(i,0); | |
228 | } | |
229 | ||
230 | AliT0Parameters* param = AliT0Parameters::Instance(); | |
231 | param->Init(); | |
232 | AliT0Calibrator *calib=new AliT0Calibrator(); | |
233 | ||
234 | Int_t mV2Mip = param->GetmV2Mip(); | |
235 | //mV2Mip = param->GetmV2Mip(); | |
236 | Int_t channelWidth = param->GetChannelWidth() ; | |
237 | ||
238 | for (Int_t i=0; i<24; i++){ | |
239 | TGraph* gr = param ->GetSlewRec(i); | |
240 | slewingLEDrec.AddAtAndExpand(gr,i) ; | |
241 | } | |
242 | ||
bd375212 | 243 | zdetC = param->GetZposition(0); |
244 | zdetA = param->GetZposition(1); | |
245 | // zdetC=GetZdet("C"); | |
246 | // zdetA=GetZdet("A"); | |
247 | cout<<" !!!!! zdetC "<<zdetC<<" zdetA "<< zdetA<<endl; | |
c41ceaac | 248 | for (Int_t in=0; in<24; in++) |
249 | { | |
250 | timeLED->AddAt(allData[in+1][0],in); | |
251 | timeCFD->AddAt(allData[in+25][0],in); | |
252 | chargeQT1->AddAt(allData[in+55][0],in); | |
253 | chargeQT0->AddAt(allData[in+79][0],in); | |
254 | AliDebug(10, Form(" readed Raw %i %i %i %i %i", in, timeLED->At(in),timeCFD->At(in),chargeQT0->At(in),chargeQT1->At(in))); | |
255 | } | |
256 | ||
257 | Float_t besttimeA=999999; | |
258 | Float_t besttimeC=999999; | |
259 | Int_t pmtBestA=99999; | |
260 | Int_t pmtBestC=99999; | |
261 | Float_t timeDiff=999999, meanTime=0; | |
262 | ||
263 | ||
264 | AliT0RecPoint* frecpoints= new AliT0RecPoint (); | |
265 | ||
266 | recTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1); | |
267 | ||
268 | ||
269 | Float_t time[24], adc[24]; | |
270 | for (Int_t ipmt=0; ipmt<24; ipmt++) { | |
271 | if(timeCFD->At(ipmt)>0 ){ | |
272 | Int_t qt0= chargeQT0->At(ipmt); | |
273 | Int_t qt1= chargeQT1->At(ipmt); | |
274 | if((qt1-qt0)>0) adc[ipmt] = TMath::Exp( Double_t (channelWidth*(qt1-qt0)/1000)); | |
275 | time[ipmt] = channelWidth * (calib-> WalkCorrection( ipmt,qt1 , timeCFD->At(ipmt) ) ) ; | |
276 | Double_t sl = (timeLED->At(ipmt) - timeCFD->At(ipmt)- (1000.*timeDelayLED[ipmt]/channelWidth))*channelWidth; | |
277 | Double_t qt=((TGraph*)slewingLEDrec.At(ipmt))->Eval(sl/1000.); | |
278 | frecpoints->SetTime(ipmt,time[ipmt]); | |
279 | frecpoints->SetAmp(ipmt,adc[ipmt]); | |
280 | frecpoints->SetAmpLED(ipmt,qt); | |
281 | } | |
282 | else { | |
283 | time[ipmt] = 0; | |
284 | adc[ipmt] = 0; | |
285 | } | |
286 | } | |
287 | ||
288 | for (Int_t ipmt=0; ipmt<12; ipmt++){ | |
289 | if(time[ipmt] > 1 ) { | |
290 | if(time[ipmt]<besttimeC){ | |
291 | besttimeC=time[ipmt]; //timeC | |
292 | pmtBestC=ipmt; | |
293 | } | |
294 | } | |
295 | } | |
296 | for ( Int_t ipmt=12; ipmt<24; ipmt++){ | |
297 | if(time[ipmt] > 1) { | |
298 | if(time[ipmt]<besttimeA) { | |
299 | besttimeA=time[ipmt]; //timeA | |
300 | pmtBestA=ipmt;} | |
301 | } | |
302 | } | |
303 | if(besttimeA !=999999) frecpoints->SetTimeBestA(Int_t(besttimeA)); | |
304 | if( besttimeC != 999999 ) frecpoints->SetTimeBestC(Int_t(besttimeC)); | |
305 | AliDebug(1,Form(" besttimeA %f ps, besttimeC %f ps",besttimeA, besttimeC)); | |
306 | Float_t c = 0.0299792; // cm/ps | |
307 | Float_t vertex = 0; | |
308 | if(besttimeA !=999999 && besttimeC != 999999 ){ | |
309 | timeDiff = besttimeC - besttimeA; | |
310 | meanTime = (besttimeA + besttimeC)/2.; | |
311 | vertex = c*(timeDiff)/2.; //-(lenr-lenl))/2; | |
312 | AliDebug(1,Form(" timeDiff %f ps, meanTime %f ps, vertex %f cm",timeDiff, meanTime,vertex )); | |
313 | frecpoints->SetVertex(vertex); | |
314 | frecpoints->SetMeanTime(Int_t(meanTime)); | |
315 | ||
316 | } | |
317 | recTree->Fill(); | |
bd375212 | 318 | |
319 | ||
320 | delete timeCFD; | |
321 | delete timeLED; | |
322 | delete chargeQT0; | |
323 | delete chargeQT1; | |
324 | ||
c41ceaac | 325 | } |
326 | //____________________________________________________________ | |
327 | ||
dc7ca31d | 328 | void AliT0Reconstructor::FillESD(AliRunLoader* runLoader, AliESD *pESD) const |
329 | { | |
330 | ||
331 | /*************************************************** | |
332 | Resonstruct digits to vertex position | |
333 | ****************************************************/ | |
334 | ||
335 | ||
336 | if (!runLoader) { | |
337 | AliError("Reconstruct >> No run loader"); | |
338 | return; | |
339 | } | |
340 | ||
341 | AliDebug(1,Form("Start FillESD T0")); | |
342 | ||
343 | AliT0Loader* pStartLoader = (AliT0Loader*) runLoader->GetLoader("T0Loader"); | |
344 | ||
345 | pStartLoader->LoadRecPoints("READ"); | |
346 | ||
347 | TTree *treeR = pStartLoader->TreeR(); | |
348 | ||
349 | AliT0RecPoint* frecpoints= new AliT0RecPoint (); | |
350 | if (!frecpoints) { | |
351 | AliError("Reconstruct Fill ESD >> no recpoints found"); | |
352 | return; | |
353 | } | |
354 | ||
355 | AliDebug(1,Form("Start FillESD T0")); | |
356 | TBranch *brRec = treeR->GetBranch("T0"); | |
357 | if (brRec) { | |
358 | brRec->SetAddress(&frecpoints); | |
359 | }else{ | |
360 | cerr<<"EXEC Branch T0 rec not found"<<endl; | |
361 | // exit(111); | |
362 | return; | |
363 | } | |
364 | ||
365 | brRec->GetEntry(0); | |
366 | Float_t timeStart, Zposition, amp[24], time[24]; | |
c41ceaac | 367 | Int_t mean0 = 12450; |
dc7ca31d | 368 | Int_t i; |
369 | Zposition = frecpoints -> GetVertex(); | |
c41ceaac | 370 | timeStart = frecpoints -> GetMeanTime() - mean0; |
dc7ca31d | 371 | for ( i=0; i<24; i++) { |
372 | time[i] = Float_t (frecpoints -> GetTime(i)) / 1000.; // ps to ns | |
373 | amp[i] = frecpoints -> GetAmp(i); | |
374 | } | |
375 | pESD->SetT0zVertex(Zposition); //vertex Z position | |
376 | pESD->SetT0(timeStart); // interaction time | |
377 | pESD->SetT0time(time); // best TOF on each PMT | |
378 | pESD->SetT0amplitude(amp); // number of particles(MIPs) on each PMT | |
379 | cout<<" ESD >> "<<Zposition<<" "<<timeStart<<endl; | |
380 | ||
381 | pStartLoader->UnloadRecPoints(); | |
382 | ||
383 | } // vertex in 3 sigma | |
384 | ||
385 | ||
386 | ||
387 | ||
388 | ||
389 |