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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" | |
23 | #include <AliESDEvent.h> | |
24 | #include "AliLog.h" | |
25 | #include "AliT0Loader.h" | |
26 | #include "AliT0RecPoint.h" | |
27 | #include "AliRawReader.h" | |
28 | #include "AliT0RawReader.h" | |
29 | #include "AliT0digit.h" | |
30 | #include "AliT0Reconstructor.h" | |
31 | #include "AliT0Parameters.h" | |
32 | #include "AliT0Calibrator.h" | |
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> | |
40 | #include <TMath.h> | |
41 | ||
42 | ClassImp(AliT0Reconstructor) | |
43 | ||
44 | AliT0Reconstructor:: AliT0Reconstructor(): AliReconstructor(), | |
45 | fdZonA(0), | |
46 | fdZonC(0), | |
47 | fZposition(0), | |
48 | fParam(NULL), | |
49 | fAmpLEDrec() | |
50 | { | |
51 | AliDebug(1,"Start reconstructor "); | |
52 | ||
53 | fParam = AliT0Parameters::Instance(); | |
54 | fParam->Init(); | |
55 | for (Int_t i=0; i<24; i++){ | |
56 | TGraph* gr = fParam ->GetAmpLEDRec(i); | |
57 | fAmpLEDrec.AddAtAndExpand(gr,i) ; | |
58 | // fTime0vertex[i]= fParam->GetTimeV0(i); | |
59 | } | |
60 | fdZonC = TMath::Abs(fParam->GetZPositionShift("T0/C/PMT1")); | |
61 | fdZonA = TMath::Abs(fParam->GetZPositionShift("T0/A/PMT15")); | |
62 | ||
63 | } | |
64 | //____________________________________________________________________ | |
65 | ||
66 | AliT0Reconstructor::AliT0Reconstructor(const AliT0Reconstructor &r): | |
67 | AliReconstructor(r), | |
68 | fdZonA(0), | |
69 | fdZonC(0), | |
70 | fZposition(0), | |
71 | fParam(NULL), | |
72 | fAmpLEDrec() | |
73 | { | |
74 | // | |
75 | // AliT0Reconstructor copy constructor | |
76 | // | |
77 | ||
78 | ((AliT0Reconstructor &) r).Copy(*this); | |
79 | ||
80 | } | |
81 | ||
82 | //_____________________________________________________________________________ | |
83 | AliT0Reconstructor &AliT0Reconstructor::operator=(const AliT0Reconstructor &r) | |
84 | { | |
85 | // | |
86 | // Assignment operator | |
87 | // | |
88 | ||
89 | if (this != &r) ((AliT0Reconstructor &) r).Copy(*this); | |
90 | return *this; | |
91 | ||
92 | } | |
93 | ||
94 | //_____________________________________________________________________________ | |
95 | ||
96 | void AliT0Reconstructor::Reconstruct(TTree*digitsTree, TTree*clustersTree) const | |
97 | ||
98 | { | |
99 | // T0 digits reconstruction | |
100 | // T0RecPoint writing | |
101 | ||
102 | ||
103 | TArrayI * timeCFD = new TArrayI(24); | |
104 | TArrayI * timeLED = new TArrayI(24); | |
105 | TArrayI * chargeQT0 = new TArrayI(24); | |
106 | TArrayI * chargeQT1 = new TArrayI(24); | |
107 | ||
108 | AliT0Calibrator *calib=new AliT0Calibrator(); | |
109 | ||
110 | // Int_t mV2Mip = param->GetmV2Mip(); | |
111 | //mV2Mip = param->GetmV2Mip(); | |
112 | Float_t channelWidth = fParam->GetChannelWidth() ; | |
113 | Int_t meanT0 = fParam->GetMeanT0(); | |
114 | ||
115 | AliDebug(1,Form("Start DIGITS reconstruction ")); | |
116 | ||
117 | TBranch *brDigits=digitsTree->GetBranch("T0"); | |
118 | AliT0digit *fDigits = new AliT0digit() ; | |
119 | if (brDigits) { | |
120 | brDigits->SetAddress(&fDigits); | |
121 | }else{ | |
122 | AliError(Form("EXEC Branch T0 digits not found")); | |
123 | return; | |
124 | } | |
125 | ||
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 | cout<<"!!!! AliT0Reconstructor::Reconstruct RefPoint "<<fDigits->RefPoint()<<endl; | |
135 | ||
136 | Float_t besttimeA=999999; | |
137 | Float_t besttimeC=999999; | |
138 | Int_t pmtBestA=99999; | |
139 | Int_t pmtBestC=99999; | |
140 | Float_t timeDiff=999999, meanTime=0; | |
141 | ||
142 | ||
143 | ||
144 | AliT0RecPoint* frecpoints= new AliT0RecPoint (); | |
145 | clustersTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1); | |
146 | ||
147 | Float_t time[24], adc[24]; | |
148 | for (Int_t ipmt=0; ipmt<24; ipmt++) { | |
149 | if(timeCFD->At(ipmt)>0 ){ | |
150 | Double_t qt0 = Double_t(chargeQT0->At(ipmt)); | |
151 | Double_t qt1 = Double_t(chargeQT1->At(ipmt)); | |
152 | if((qt1-qt0)>0) adc[ipmt] = TMath::Exp( Double_t (channelWidth*(qt1-qt0)/1000)); | |
153 | time[ipmt] = calib-> WalkCorrection( ipmt,Int_t(qt1) , timeCFD->At(ipmt) ) ; | |
154 | ||
155 | //LED | |
156 | Double_t sl = (timeLED->At(ipmt) - time[ipmt])*channelWidth; | |
157 | Double_t qt=((TGraph*)fAmpLEDrec.At(ipmt))->Eval(sl/1000.); | |
158 | frecpoints->SetTime(ipmt,time[ipmt]); | |
159 | frecpoints->SetAmp(ipmt,adc[ipmt]); | |
160 | frecpoints->SetAmpLED(ipmt,qt); | |
161 | } | |
162 | else { | |
163 | time[ipmt] = 0; | |
164 | adc[ipmt] = 0; | |
165 | } | |
166 | } | |
167 | ||
168 | for (Int_t ipmt=0; ipmt<12; ipmt++){ | |
169 | if(time[ipmt] > 1 ) { | |
170 | if(time[ipmt]<besttimeC){ | |
171 | besttimeC=time[ipmt]; //timeC | |
172 | pmtBestC=ipmt; | |
173 | } | |
174 | } | |
175 | } | |
176 | for ( Int_t ipmt=12; ipmt<24; ipmt++){ | |
177 | if(time[ipmt] > 1) { | |
178 | if(time[ipmt]<besttimeA) { | |
179 | besttimeA=time[ipmt]; //timeA | |
180 | pmtBestA=ipmt;} | |
181 | } | |
182 | } | |
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)); | |
186 | Float_t c = 0.0299792; // cm/ps | |
187 | Float_t vertex = 0; | |
188 | if(besttimeA !=999999 && besttimeC != 999999 ){ | |
189 | timeDiff =(besttimeC - besttimeA)*channelWidth; | |
190 | meanTime = (meanT0 - (besttimeA + besttimeC)/2) * channelWidth; | |
191 | vertex = c*(timeDiff)/2. + (fdZonA - fdZonC)/2; //-(lenr-lenl))/2; | |
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 | } | |
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) { | |
200 | // time[ipmt] = (time[ipmt] - fTime0vertex[ipmt])*channelWidth; | |
201 | time[ipmt] = time[ipmt] * channelWidth; | |
202 | frecpoints->SetTime(ipmt,time[ipmt]); | |
203 | } | |
204 | } | |
205 | clustersTree->Fill(); | |
206 | ||
207 | delete timeCFD; | |
208 | delete timeLED; | |
209 | delete chargeQT0; | |
210 | delete chargeQT1; | |
211 | } | |
212 | ||
213 | ||
214 | //_______________________________________________________________________ | |
215 | ||
216 | void AliT0Reconstructor::Reconstruct(AliRawReader* rawReader, TTree*recTree) const | |
217 | { | |
218 | // T0 raw -> | |
219 | // T0RecPoint writing | |
220 | ||
221 | //Q->T-> coefficients !!!! should be measured!!! | |
222 | Int_t allData[110][5]; | |
223 | ||
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 | ||
229 | for (Int_t i=0; i<110; i++) { | |
230 | allData[i][0]=0; | |
231 | } | |
232 | ||
233 | AliT0RawReader myrawreader(rawReader); | |
234 | if (!myrawreader.Next()) | |
235 | AliDebug(1,Form(" no raw data found!! %i", myrawreader.Next())); | |
236 | for (Int_t i=0; i<110; i++) { | |
237 | allData[i][0]=myrawreader.GetData(i,0); | |
238 | } | |
239 | AliT0Calibrator *calib = new AliT0Calibrator(); | |
240 | ||
241 | // Int_t mV2Mip = param->GetmV2Mip(); | |
242 | //mV2Mip = param->GetmV2Mip(); | |
243 | Float_t channelWidth = fParam->GetChannelWidth() ; | |
244 | ||
245 | Int_t meanT0 = fParam->GetMeanT0(); | |
246 | ||
247 | for (Int_t in=0; in<24; in++) | |
248 | { | |
249 | timeLED->AddAt(allData[in+1][0],in); | |
250 | timeCFD->AddAt(allData[in+25][0],in); | |
251 | chargeQT1->AddAt(allData[in+57][0],in); | |
252 | chargeQT0->AddAt(allData[in+80][0],in); | |
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 ){ | |
271 | Double_t qt0 = Double_t(chargeQT0->At(ipmt)); | |
272 | Double_t qt1 = Double_t(chargeQT1->At(ipmt)); | |
273 | if((qt1-qt0)>0) adc[ipmt] = TMath::Exp( Double_t (channelWidth*(qt1-qt0)/1000)); | |
274 | // time[ipmt] = channelWidth * (calib-> WalkCorrection( ipmt,qt1 , timeCFD->At(ipmt) ) ) ; | |
275 | time[ipmt] = calib-> WalkCorrection( ipmt,Int_t(qt1) , timeCFD->At(ipmt) ) ; | |
276 | Double_t sl = (timeLED->At(ipmt) - time[ipmt])*channelWidth; | |
277 | Double_t qt=((TGraph*)fAmpLEDrec.At(ipmt))->Eval(sl/1000.); | |
278 | frecpoints->SetTime(ipmt,time[ipmt]); | |
279 | frecpoints->SetAmp(ipmt,adc[ipmt]); | |
280 | frecpoints->SetAmpLED(ipmt,qt); | |
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 | ||
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 ){ | |
311 | timeDiff = (besttimeC - besttimeA)*channelWidth; | |
312 | meanTime = (meanT0 - (besttimeA + besttimeC)/2) * channelWidth; | |
313 | vertex = c*(timeDiff)/2. + (fdZonA - fdZonC)/2; //-(lenr-lenl))/2; | |
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 | } | |
319 | //time in each channel as time[ipmt]-MeanTimeinThisChannel(with vertex=0) | |
320 | /* | |
321 | for (Int_t ipmt=0; ipmt<24; ipmt++) { | |
322 | if(time[ipmt]>1) { | |
323 | time[ipmt] = (time[ipmt] - fTime0vertex[ipmt])*channelWidth; | |
324 | frecpoints->SetTime(ipmt,time[ipmt]); | |
325 | } | |
326 | } | |
327 | */ | |
328 | recTree->Fill(); | |
329 | ||
330 | ||
331 | delete timeCFD; | |
332 | delete timeLED; | |
333 | delete chargeQT0; | |
334 | delete chargeQT1; | |
335 | ||
336 | } | |
337 | //____________________________________________________________ | |
338 | ||
339 | void AliT0Reconstructor::FillESD(TTree */*digitsTree*/, TTree *clustersTree, AliESDEvent *pESD) const | |
340 | { | |
341 | ||
342 | /*************************************************** | |
343 | Resonstruct digits to vertex position | |
344 | ****************************************************/ | |
345 | ||
346 | AliDebug(1,Form("Start FillESD T0")); | |
347 | ||
348 | TTree *treeR = clustersTree; | |
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{ | |
361 | AliError(Form("EXEC Branch T0 rec not found")); | |
362 | return; | |
363 | } | |
364 | ||
365 | brRec->GetEntry(0); | |
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++) { | |
370 | time[i] = Float_t (frecpoints -> GetTime(i)); // ps to ns | |
371 | amp[i] = frecpoints -> GetAmp(i); | |
372 | } | |
373 | pESD->SetT0zVertex(zPosition); //vertex Z position | |
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 | |
377 | ||
378 | AliDebug(1,Form(" Z position %f cm, T0 %f ps",zPosition , timeStart)); | |
379 | ||
380 | } // vertex in 3 sigma | |
381 | ||
382 | ||
383 | ||
384 | ||
385 | ||
386 |