1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
18 #include <Riostream.h>
20 #include <TDirectory.h>
22 #include "AliRunLoader.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"
40 //#include <TGeoManager.h>
41 //#include <TClonesArray.h>
42 //#include <TString.h>
43 //#include <TGeoPNEntry.h>
44 //#include <TGeoPhysicalNode.h>
45 //#include <TGeoHMatrix.h>
47 ClassImp(AliT0Reconstructor)
49 AliT0Reconstructor:: AliT0Reconstructor(): AliReconstructor(),
53 AliDebug(1,"Start reconstructor ");
55 //____________________________________________________________________
57 AliT0Reconstructor::AliT0Reconstructor(const AliT0Reconstructor &r):
62 // AliT0Reconstructor copy constructor
65 ((AliT0Reconstructor &) r).Copy(*this);
69 //_____________________________________________________________________________
70 AliT0Reconstructor &AliT0Reconstructor::operator=(const AliT0Reconstructor &r)
73 // Assignment operator
76 if (this != &r) ((AliT0Reconstructor &) r).Copy(*this);
81 //_____________________________________________________________________________
83 void AliT0Reconstructor::Reconstruct(TTree*digitsTree, TTree*clustersTree) const
86 // T0 digits reconstruction
90 Float_t timeDelayLED[24];
92 TObjArray slewingLEDrec;
95 TArrayI * timeCFD = new TArrayI(24);
96 TArrayI * timeLED = new TArrayI(24);
97 TArrayI * chargeQT0 = new TArrayI(24);
98 TArrayI * chargeQT1 = new TArrayI(24);
100 AliT0Parameters* param = AliT0Parameters::Instance();
102 AliT0Calibrator *calib=new AliT0Calibrator();
104 Int_t mV2Mip = param->GetmV2Mip();
105 //mV2Mip = param->GetmV2Mip();
106 Int_t channelWidth = param->GetChannelWidth() ;
108 for (Int_t i=0; i<24; i++){
109 TGraph* gr = param ->GetSlewRec(i);
110 slewingLEDrec.AddAtAndExpand(gr,i) ;
112 zdetC = param->GetZPosition("C");
113 zdetA = param->GetZPosition("A");
116 AliDebug(1,Form("Start DIGITS reconstruction "));
118 TBranch *brDigits=digitsTree->GetBranch("T0");
119 AliT0digit *fDigits = new AliT0digit() ;
121 brDigits->SetAddress(&fDigits);
123 cerr<<"EXEC Branch T0 digits not found"<<endl;
127 digitsTree->GetEvent(0);
128 digitsTree->GetEntry(0);
129 brDigits->GetEntry(0);
130 fDigits->GetTimeCFD(*timeCFD);
131 fDigits->GetTimeLED(*timeLED);
132 fDigits->GetQT0(*chargeQT0);
133 fDigits->GetQT1(*chargeQT1);
135 Float_t besttimeA=999999;
136 Float_t besttimeC=999999;
137 Int_t pmtBestA=99999;
138 Int_t pmtBestC=99999;
139 Float_t timeDiff=999999, meanTime=0;
143 AliT0RecPoint* frecpoints= new AliT0RecPoint ();
144 clustersTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1);
146 Float_t time[24], adc[24];
147 for (Int_t ipmt=0; ipmt<24; ipmt++) {
148 if(timeCFD->At(ipmt)>0 ){
149 Int_t qt0= chargeQT0->At(ipmt);
150 Int_t qt1= chargeQT1->At(ipmt);
151 if((qt1-qt0)>0) adc[ipmt] = TMath::Exp( Double_t (channelWidth*(qt1-qt0)/1000));
152 time[ipmt] = channelWidth * (calib-> WalkCorrection( ipmt,qt1 , timeCFD->At(ipmt) ) ) ;
155 Double_t sl = (timeLED->At(ipmt) - timeCFD->At(ipmt)- (1000.*timeDelayLED[ipmt]/channelWidth))*channelWidth;
156 Double_t qt=((TGraph*)slewingLEDrec.At(ipmt))->Eval(sl/1000.);
157 frecpoints->SetTime(ipmt,time[ipmt]);
158 frecpoints->SetAmp(ipmt,adc[ipmt]);
159 frecpoints->SetAmpLED(ipmt,qt);
167 for (Int_t ipmt=0; ipmt<12; ipmt++){
168 if(time[ipmt] > 1 ) {
169 if(time[ipmt]<besttimeC){
170 besttimeC=time[ipmt]; //timeC
175 for ( Int_t ipmt=12; ipmt<24; ipmt++){
177 if(time[ipmt]<besttimeA) {
178 besttimeA=time[ipmt]; //timeA
182 if(besttimeA !=999999) frecpoints->SetTimeBestA(Int_t(besttimeA));
183 if( besttimeC != 999999 ) frecpoints->SetTimeBestC(Int_t(besttimeC));
184 AliDebug(1,Form(" besttimeA %f ps, besttimeC %f ps",besttimeA, besttimeC));
185 Float_t c = 0.0299792; // cm/ps
187 if(besttimeA !=999999 && besttimeC != 999999 ){
188 timeDiff = besttimeC - besttimeA;
189 meanTime = (besttimeA + besttimeC)/2.;
190 vertex = c*(timeDiff)/2.; //-(lenr-lenl))/2;
191 AliDebug(1,Form(" timeDiff %f ps, meanTime %f ps, vertex %f cm",timeDiff, meanTime,vertex ));
192 frecpoints->SetVertex(vertex);
193 frecpoints->SetMeanTime(Int_t(meanTime));
196 clustersTree->Fill();
205 //_______________________________________________________________________
207 void AliT0Reconstructor::Reconstruct(AliRawReader* rawReader, TTree*recTree) const
210 // T0RecPoint writing
212 //Q->T-> coefficients !!!! should be asked!!!
213 Float_t timeDelayLED[24];
215 Int_t allData[110][5];
216 TObjArray slewingLEDrec;
219 TArrayI * timeCFD = new TArrayI(24);
220 TArrayI * timeLED = new TArrayI(24);
221 TArrayI * chargeQT0 = new TArrayI(24);
222 TArrayI * chargeQT1 = new TArrayI(24);
224 for (Int_t i=0; i<110; i++) {
228 AliT0RawReader myrawreader(rawReader);
229 if (!myrawreader.Next())
230 AliDebug(1,Form(" no raw data found!! %i", myrawreader.Next()));
231 for (Int_t i=0; i<110; i++) {
232 allData[i][0]=myrawreader.GetData(i,0);
235 AliT0Parameters* param = AliT0Parameters::Instance();
237 AliT0Calibrator *calib=new AliT0Calibrator();
239 Int_t mV2Mip = param->GetmV2Mip();
240 //mV2Mip = param->GetmV2Mip();
241 Int_t channelWidth = param->GetChannelWidth() ;
243 for (Int_t i=0; i<24; i++){
244 TGraph* gr = param ->GetSlewRec(i);
245 slewingLEDrec.AddAtAndExpand(gr,i) ;
248 zdetC = param->GetZPosition("T0/C/PMT1");
249 zdetA = param->GetZPosition("T0/A/PMT15");
251 for (Int_t in=0; in<24; in++)
253 timeLED->AddAt(allData[in+1][0],in);
254 timeCFD->AddAt(allData[in+25][0],in);
255 chargeQT1->AddAt(allData[in+55][0],in);
256 chargeQT0->AddAt(allData[in+79][0],in);
257 AliDebug(10, Form(" readed Raw %i %i %i %i %i", in, timeLED->At(in),timeCFD->At(in),chargeQT0->At(in),chargeQT1->At(in)));
260 Float_t besttimeA=999999;
261 Float_t besttimeC=999999;
262 Int_t pmtBestA=99999;
263 Int_t pmtBestC=99999;
264 Float_t timeDiff=999999, meanTime=0;
267 AliT0RecPoint* frecpoints= new AliT0RecPoint ();
269 recTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1);
272 Float_t time[24], adc[24];
273 for (Int_t ipmt=0; ipmt<24; ipmt++) {
274 if(timeCFD->At(ipmt)>0 ){
275 Int_t qt0= chargeQT0->At(ipmt);
276 Int_t qt1= chargeQT1->At(ipmt);
277 if((qt1-qt0)>0) adc[ipmt] = TMath::Exp( Double_t (channelWidth*(qt1-qt0)/1000));
278 time[ipmt] = channelWidth * (calib-> WalkCorrection( ipmt,qt1 , timeCFD->At(ipmt) ) ) ;
279 Double_t sl = (timeLED->At(ipmt) - timeCFD->At(ipmt)- (1000.*timeDelayLED[ipmt]/channelWidth))*channelWidth;
280 Double_t qt=((TGraph*)slewingLEDrec.At(ipmt))->Eval(sl/1000.);
281 frecpoints->SetTime(ipmt,time[ipmt]);
282 frecpoints->SetAmp(ipmt,adc[ipmt]);
283 frecpoints->SetAmpLED(ipmt,qt);
291 for (Int_t ipmt=0; ipmt<12; ipmt++){
292 if(time[ipmt] > 1 ) {
293 if(time[ipmt]<besttimeC){
294 besttimeC=time[ipmt]; //timeC
299 for ( Int_t ipmt=12; ipmt<24; ipmt++){
301 if(time[ipmt]<besttimeA) {
302 besttimeA=time[ipmt]; //timeA
306 if(besttimeA !=999999) frecpoints->SetTimeBestA(Int_t(besttimeA));
307 if( besttimeC != 999999 ) frecpoints->SetTimeBestC(Int_t(besttimeC));
308 AliDebug(1,Form(" besttimeA %f ps, besttimeC %f ps",besttimeA, besttimeC));
309 Float_t c = 0.0299792; // cm/ps
311 if(besttimeA !=999999 && besttimeC != 999999 ){
312 timeDiff = besttimeC - besttimeA;
313 meanTime = (besttimeA + besttimeC)/2.;
314 vertex = c*(timeDiff)/2.; //-(lenr-lenl))/2;
315 AliDebug(1,Form(" timeDiff %f ps, meanTime %f ps, vertex %f cm",timeDiff, meanTime,vertex ));
316 frecpoints->SetVertex(vertex);
317 frecpoints->SetMeanTime(Int_t(meanTime));
329 //____________________________________________________________
331 void AliT0Reconstructor::FillESD(AliRunLoader* runLoader, AliESD *pESD) const
334 /***************************************************
335 Resonstruct digits to vertex position
336 ****************************************************/
340 AliError("Reconstruct >> No run loader");
344 AliDebug(1,Form("Start FillESD T0"));
346 AliT0Loader* pStartLoader = (AliT0Loader*) runLoader->GetLoader("T0Loader");
348 pStartLoader->LoadRecPoints("READ");
350 TTree *treeR = pStartLoader->TreeR();
352 AliT0RecPoint* frecpoints= new AliT0RecPoint ();
354 AliError("Reconstruct Fill ESD >> no recpoints found");
358 AliDebug(1,Form("Start FillESD T0"));
359 TBranch *brRec = treeR->GetBranch("T0");
361 brRec->SetAddress(&frecpoints);
363 cerr<<"EXEC Branch T0 rec not found"<<endl;
369 Float_t timeStart, Zposition, amp[24], time[24];
372 Zposition = frecpoints -> GetVertex();
373 timeStart = frecpoints -> GetMeanTime() - mean0;
374 for ( i=0; i<24; i++) {
375 time[i] = Float_t (frecpoints -> GetTime(i)) / 1000.; // ps to ns
376 amp[i] = frecpoints -> GetAmp(i);
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
383 AliDebug(1,Form(" Z position %f cm, T0 %f ps",Zposition , timeStart));
385 pStartLoader->UnloadRecPoints();
387 } // vertex in 3 sigma