Correct compilation warning
[u/mrichter/AliRoot.git] / T0 / AliT0Reconstructor.cxx
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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/* $Id$ */
72e48d95 17/*********************************************************************
18 * T0 reconstruction and filling ESD
19 * - reconstruct mean time (interation time)
20 * - vertex position
21 * - multiplicity
22 ********************************************************************/
dc7ca31d 23
af885e0f 24#include <AliESDEvent.h>
dc7ca31d 25#include "AliLog.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
34#include <TArrayI.h>
35#include <TGraph.h>
aad72f45 36#include <TMath.h>
b09247a2 37#include <Riostream.h>
dc7ca31d 38
39ClassImp(AliT0Reconstructor)
40
c41ceaac 41 AliT0Reconstructor:: AliT0Reconstructor(): AliReconstructor(),
f16935f7 42 fdZonA(0),
43 fdZonC(0),
44 fZposition(0),
45 fParam(NULL),
2e6a5ee0 46 fAmpLEDrec(),
c883fdf2 47 fQTC(0),
48 fAmpLED(0),
2e6a5ee0 49 fCalib()
e0bba6cc 50{
72e48d95 51 //constructor
52
74adb36a 53 fParam = AliT0Parameters::Instance();
54 fParam->Init();
c883fdf2 55
74adb36a 56 for (Int_t i=0; i<24; i++){
2e6a5ee0 57 TGraph* gr = fParam ->GetAmpLEDRec(i);
29ed1d0e 58 if (gr) fAmpLEDrec.AddAtAndExpand(gr,i) ;
c883fdf2 59 TGraph* gr1 = fParam ->GetAmpLED(i);
60 if (gr1) fAmpLED.AddAtAndExpand(gr1,i) ;
61 TGraph* gr2 = fParam ->GetQTC(i);
539b9cb9 62 if (gr2) fQTC.AddAtAndExpand(gr2,i) ;
c883fdf2 63 }
539b9cb9 64
29ed1d0e 65
adf36b9d 66 // fdZonC = TMath::Abs(fParam->GetZPositionShift("T0/C/PMT1"));
67 //fdZonA = TMath::Abs(fParam->GetZPositionShift("T0/A/PMT15"));
68
539b9cb9 69
12e9daf9 70 fCalib = new AliT0Calibrator();
71
c41ceaac 72}
c41ceaac 73
74//_____________________________________________________________________________
dc7ca31d 75void AliT0Reconstructor::Reconstruct(TTree*digitsTree, TTree*clustersTree) const
94c27e4f 76
dc7ca31d 77{
94c27e4f 78 // T0 digits reconstruction
c555f418 79 Int_t refAmp = GetRecoParam()->GetRefAmp();
776de217 80
c41ceaac 81 TArrayI * timeCFD = new TArrayI(24);
82 TArrayI * timeLED = new TArrayI(24);
83 TArrayI * chargeQT0 = new TArrayI(24);
84 TArrayI * chargeQT1 = new TArrayI(24);
74adb36a 85
d0bcd1fb 86
8955c6b4 87 Float_t channelWidth = fParam->GetChannelWidth() ;
b95e8d87 88 Float_t meanVertex = fParam->GetMeanVertex();
776de217 89 Float_t c = 0.0299792; // cm/ps
adf36b9d 90 Double32_t vertex = 9999999;
91 Double32_t timeDiff=999999, meanTime=999999, timeclock=999999;
776de217 92
94c27e4f 93
dc7ca31d 94 AliDebug(1,Form("Start DIGITS reconstruction "));
94c27e4f 95
2e6a5ee0 96
d0bcd1fb 97 TBranch *brDigits=digitsTree->GetBranch("T0");
e0bba6cc 98 AliT0digit *fDigits = new AliT0digit() ;
dc7ca31d 99 if (brDigits) {
100 brDigits->SetAddress(&fDigits);
101 }else{
f16935f7 102 AliError(Form("EXEC Branch T0 digits not found"));
103 return;
dc7ca31d 104 }
e0bba6cc 105
c41ceaac 106 digitsTree->GetEvent(0);
107 digitsTree->GetEntry(0);
108 brDigits->GetEntry(0);
109 fDigits->GetTimeCFD(*timeCFD);
110 fDigits->GetTimeLED(*timeLED);
111 fDigits->GetQT0(*chargeQT0);
112 fDigits->GetQT1(*chargeQT1);
446d6ec4 113 Int_t onlineMean = fDigits->MeanTime();
c883fdf2 114
adf36b9d 115 Bool_t tr[5];
116 for (Int_t i=0; i<5; i++) tr[i]=false;
c41ceaac 117
adf36b9d 118 Double32_t besttimeA=999999;
119 Double32_t besttimeC=999999;
c41ceaac 120 Int_t pmtBestA=99999;
121 Int_t pmtBestC=99999;
dc7ca31d 122
94c27e4f 123 AliT0RecPoint* frecpoints= new AliT0RecPoint ();
124 clustersTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1);
125
b95e8d87 126 Float_t time[24], adc[24];
dc7ca31d 127 for (Int_t ipmt=0; ipmt<24; ipmt++) {
c41ceaac 128 if(timeCFD->At(ipmt)>0 ){
d0bcd1fb 129 if(( chargeQT1->At(ipmt) - chargeQT0->At(ipmt))>0)
130 adc[ipmt] = chargeQT1->At(ipmt) - chargeQT0->At(ipmt);
a7027400 131 else
d0bcd1fb 132 adc[ipmt] = 0;
133
541b42c4 134 // time[ipmt] = fCalib-> WalkCorrection(refAmp, ipmt, adc[ipmt], timeCFD->At(ipmt)) ;
d0bcd1fb 135
136 Double_t sl = Double_t(timeLED->At(ipmt) - timeCFD->At(ipmt));
541b42c4 137 time[ipmt] = fCalib-> WalkCorrection( refAmp,ipmt, Int_t(sl), timeCFD->At(ipmt) ) ;
d0bcd1fb 138 AliDebug(10,Form(" ipmt %i QTC %i , time in chann %i (led-cfd) %i ",
139 ipmt, Int_t(adc[ipmt]) ,Int_t(time[ipmt]),Int_t( sl)));
776de217 140
d0bcd1fb 141 Double_t ampMip =((TGraph*)fAmpLED.At(ipmt))->Eval(sl);
142 Double_t qtMip = ((TGraph*)fQTC.At(ipmt))->Eval(adc[ipmt]);
143 AliDebug(10,Form(" Amlitude in MIPS LED %f , QTC %f in channels %i\n ",ampMip,qtMip, adc[ipmt]));
144
145 frecpoints->SetTime(ipmt, Float_t(time[ipmt]) );
146 frecpoints->SetAmp(ipmt, Float_t( ampMip)); //for cosmic &pp beam
147 frecpoints->SetAmpLED(ipmt, Float_t(qtMip));
148
dc7ca31d 149 }
150 else {
151 time[ipmt] = 0;
152 adc[ipmt] = 0;
153 }
154 }
94c27e4f 155
dc7ca31d 156 for (Int_t ipmt=0; ipmt<12; ipmt++){
157 if(time[ipmt] > 1 ) {
c41ceaac 158 if(time[ipmt]<besttimeC){
159 besttimeC=time[ipmt]; //timeC
160 pmtBestC=ipmt;
dc7ca31d 161 }
162 }
163 }
164 for ( Int_t ipmt=12; ipmt<24; ipmt++){
165 if(time[ipmt] > 1) {
c41ceaac 166 if(time[ipmt]<besttimeA) {
167 besttimeA=time[ipmt]; //timeA
168 pmtBestA=ipmt;}
dc7ca31d 169 }
170 }
adf36b9d 171 if(besttimeA < 999999) {
172 frecpoints->SetTimeBestA(Int_t(besttimeA *channelWidth));
173 tr[1]=true;
174 }
175 if( besttimeC < 999999 ) {
176 frecpoints->SetTimeBestC(Int_t(besttimeC *channelWidth));
177 tr[2]=true;
178 }
d0bcd1fb 179 AliDebug(10,Form(" besttimeA %f ch, besttimeC %f ch",besttimeA, besttimeC));
adf36b9d 180 if(besttimeA <999999 && besttimeC < 999999 ){
9b83615d 181 // timeDiff = (besttimeC - besttimeA)*channelWidth;
182 timeDiff = (besttimeA - besttimeC)*channelWidth;
adf36b9d 183 meanTime = (besttimeA + besttimeC)/2;// * channelWidth);
184 timeclock = meanTime *channelWidth ;
185 vertex = meanVertex - c*(timeDiff)/2.;// + (fdZonA - fdZonC)/2;
186 tr[0]=true;
187 }
188 frecpoints->SetVertex(vertex);
189 frecpoints->SetMeanTime(meanTime);
190 frecpoints->SetT0clock(timeclock);
191 frecpoints->SetT0Trig(tr);
192
193 for (Int_t i=0; i<5; i++) {
194 printf(" T0 trigers %i ",tr[i]);
195 }
196 printf(" \n ");
197
198 //online mean
199 frecpoints->SetOnlineMean(Int_t(onlineMean));
200 AliDebug(10,Form(" timeDiff %i #channel, meanTime %i #channel, vertex %f cm online mean %i timeclock %i ps",timeDiff, meanTime,vertex, Int_t(onlineMean), timeclock));
201
202
203
204
b95e8d87 205
dc7ca31d 206 clustersTree->Fill();
bd375212 207
208 delete timeCFD;
209 delete timeLED;
210 delete chargeQT0;
211 delete chargeQT1;
dc7ca31d 212}
213
214
c41ceaac 215//_______________________________________________________________________
216
217void AliT0Reconstructor::Reconstruct(AliRawReader* rawReader, TTree*recTree) const
218{
94c27e4f 219 // T0 raw ->
539b9cb9 220 //
221 // reference amplitude and time ref. point from reco param
222
c555f418 223 Int_t refAmp = GetRecoParam()->GetRefAmp();
224 Int_t refPoint = GetRecoParam()->GetRefPoint();
adf36b9d 225 Float_t latencyL1 = GetRecoParam()->GetLatencyL1();
e9626e76 226 Float_t latencyL1A = GetRecoParam()->GetLatencyL1A();
227 Float_t latencyL1C = GetRecoParam()->GetLatencyL1C();
adf36b9d 228 Float_t latencyHPTDC = GetRecoParam()->GetLatencyHPTDC();
e9626e76 229 AliDebug(10,Form(" LatencyL1 %f latencyL1A %f latencyL1C %f latencyHPTDC %f \n",latencyL1,latencyL1A,latencyL1C, latencyHPTDC));
e8ed1cd0 230 Int_t allData[110][5];
2e6a5ee0 231
e8ed1cd0 232 Int_t timeCFD[24], timeLED[24], chargeQT0[24], chargeQT1[24];
adf36b9d 233 Double32_t timeDiff=999999, meanTime=999999, timeclock=999999;
234 Float_t c = 29.9792458; // cm/ns
235 Double32_t vertex = 9999999;
776de217 236 Int_t onlineMean=0;
9480f05f 237 // Float_t meanVertex = fParam->GetMeanVertex();
238 Float_t meanVertex = 0;
adf36b9d 239
bce12dc5 240 for (Int_t i0=0; i0<105; i0++)
241 {
242 for (Int_t j0=0; j0<5; j0++) allData[i0][j0]=0;
243 }
2e6a5ee0 244
adf36b9d 245 Double32_t besttimeA=9999999;
246 Double32_t besttimeC=9999999;
bce12dc5 247 Int_t pmtBestA=99999;
248 Int_t pmtBestC=99999;
29a60970 249
bce12dc5 250 AliT0RecPoint* frecpoints= new AliT0RecPoint ();
251
252 recTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1);
2e6a5ee0 253
bce12dc5 254 AliDebug(10," before read data ");
255 AliT0RawReader myrawreader(rawReader);
776de217 256
257 UInt_t type =rawReader->GetType();
258
bce12dc5 259 if (!myrawreader.Next())
260 AliDebug(1,Form(" no raw data found!!"));
261 else
262 {
776de217 263 if(type == 7) { //only physics
bce12dc5 264 for (Int_t i=0; i<105; i++) {
265 for (Int_t iHit=0; iHit<5; iHit++)
266 {
267 allData[i][iHit] = myrawreader.GetData(i,iHit);
268 }
269 }
541b42c4 270 Int_t ref=0;
271 if (refPoint>0)
adf36b9d 272 ref = allData[refPoint][0]-5000;
541b42c4 273
bce12dc5 274 Float_t channelWidth = fParam->GetChannelWidth() ;
275
276 // Int_t meanT0 = fParam->GetMeanT0();
d0bcd1fb 277
bce12dc5 278
279 for (Int_t in=0; in<12; in++)
280 {
281 timeCFD[in] = allData[in+1][0] ;
282 timeCFD[in+12] = allData[in+56+1][0] ;
283 timeLED[in] = allData[in+12+1][0] ;
284 timeLED[in+12] = allData[in+68+1][0] ;
d0bcd1fb 285 AliDebug(10, Form(" readed i %i cfdC %i cfdA %i ledC %i ledA%i ",
286 in, timeCFD[in],timeCFD[in+12],timeLED[in],
287 timeLED[in+12]));
bce12dc5 288 }
289
290 for (Int_t in=0; in<12; in++)
291 {
d0bcd1fb 292 chargeQT0[in]=allData[2*in+25][0];
293 chargeQT1[in]=allData[2*in+26][0];
bce12dc5 294 }
295
296 for (Int_t in=12; in<24; in++)
297 {
d0bcd1fb 298 chargeQT0[in]=allData[2*in+57][0];
299 chargeQT1[in]=allData[2*in+58][0];
bce12dc5 300 }
301
d0bcd1fb 302 // } //cosmic with physics event
2e6a5ee0 303 for (Int_t in=0; in<24; in++)
c883fdf2 304 AliDebug(10, Form(" readed Raw %i %i %i %i %i",
305 in, timeLED[in],timeCFD[in],chargeQT0[in],chargeQT1[in]));
776de217 306 onlineMean = allData[49][0];
2e6a5ee0 307
adf36b9d 308 Double32_t time[24], adc[24];
2e6a5ee0 309 for (Int_t ipmt=0; ipmt<24; ipmt++) {
310 if(timeCFD[ipmt]>0 && timeLED[ipmt]>0){
bce12dc5 311 //for simulated data
d0bcd1fb 312 //for physics data
313 if(( chargeQT1[ipmt] - chargeQT0[ipmt])>0)
541b42c4 314 adc[ipmt] = chargeQT0[ipmt] - chargeQT1[ipmt];
d0bcd1fb 315 else
316 adc[ipmt] = 0;
bce12dc5 317
539b9cb9 318
40043664 319 // time[ipmt] = fCalib-> WalkCorrection(refAmp, ipmt, adc[ipmt], timeCFD[ipmt] ) ;
bce12dc5 320
d0bcd1fb 321 Double_t sl = timeLED[ipmt] - timeCFD[ipmt];
40043664 322 time[ipmt] = fCalib-> WalkCorrection( refAmp,ipmt, Int_t(sl), timeCFD[ipmt] ) ;
d0bcd1fb 323 AliDebug(10,Form(" ipmt %i QTC %i , time in chann %i (led-cfd) %i ",
324 ipmt, Int_t(adc[ipmt]) ,Int_t(time[ipmt]),Int_t( sl)));
325 Double_t ampMip =( (TGraph*)fAmpLED.At(ipmt))->Eval(sl);
326 Double_t qtMip = ((TGraph*)fQTC.At(ipmt))->Eval(adc[ipmt]);
327 AliDebug(10,Form(" Amlitude in MIPS LED %f ; QTC %f; in channels %i\n ",ampMip,qtMip, adc[ipmt]));
bce12dc5 328
0a63d712 329 frecpoints->SetTime(ipmt, Float_t(time[ipmt]) );
330 // frecpoints->SetTime(ipmt,Double32_t(timeCFD[ipmt]));
adf36b9d 331 frecpoints->SetAmpLED(ipmt, Double32_t( qtMip)); //for cosmic &pp beam
332 frecpoints->SetAmp(ipmt, Double32_t(ampMip));
bce12dc5 333
2e6a5ee0 334 }
335 else {
336 time[ipmt] = 0;
337 adc[ipmt] = 0;
338 }
339 }
340
341 for (Int_t ipmt=0; ipmt<12; ipmt++){
342 if(time[ipmt] > 1 ) {
343 if(time[ipmt]<besttimeC){
344 besttimeC=time[ipmt]; //timeC
345 pmtBestC=ipmt;
346 }
347 }
348 }
349 for ( Int_t ipmt=12; ipmt<24; ipmt++){
350 if(time[ipmt] > 1) {
351 if(time[ipmt]<besttimeA) {
352 besttimeA=time[ipmt]; //timeA
353 pmtBestA=ipmt;}
354 }
355 }
adf36b9d 356 if(besttimeA < 999999)
e9626e76 357 frecpoints->SetTimeBestA(0.001* besttimeA * channelWidth - latencyHPTDC + latencyL1A);
adf36b9d 358 if( besttimeC < 999999 )
e9626e76 359 frecpoints->SetTimeBestC( 0.001 *besttimeC * channelWidth - latencyHPTDC + latencyL1C);
adf36b9d 360 AliDebug(10,Form(" pmtA %i besttimeA %f ps, pmtC %i besttimeC %f ps",
d0bcd1fb 361 pmtBestA,besttimeA, pmtBestC, besttimeC));
adf36b9d 362 if(besttimeA <999999 && besttimeC < 999999 ){
9480f05f 363 timeDiff = ( besttimeA - besttimeC) *0.001 * channelWidth + latencyL1A - latencyL1C;
e9626e76 364 timeclock = 0.001*channelWidth * Float_t( besttimeA+besttimeC)/2. - latencyHPTDC + latencyL1;
adf36b9d 365 meanTime = (besttimeA+besttimeC-2.*Float_t(ref))/2.;
9480f05f 366 vertex = meanVertex - c*(timeDiff)/2. ; //+ (fdZonA - fdZonC)/2;
adf36b9d 367 }
776de217 368 } //if phys event
adf36b9d 369 AliDebug(5,Form(" timeDiff %f #channel, meanTime %f #channel, TOFmean%f vertex %f cm meanVertex %f online mean %i \n",timeDiff, meanTime,timeclock, vertex,meanVertex, onlineMean));
776de217 370 frecpoints->SetT0clock(timeclock);
371 frecpoints->SetVertex(vertex);
adf36b9d 372 frecpoints->SetMeanTime(meanTime);
776de217 373 frecpoints->SetOnlineMean(Int_t(onlineMean));
adf36b9d 374 // Set triggers
375
376 Bool_t tr[5];
377 Int_t trchan[5]= {50,51,52,55,56};
378 for (Int_t i=0; i<5; i++) tr[i]=false;
379 for (Int_t itr=0; itr<5; itr++) {
380 if(allData[trchan[itr]][0]>0) tr[itr]=true;
381 frecpoints->SetT0Trig(tr);
382 }
383 for (Int_t i=0; i<5; i++)
384 printf(" T0 trigers %i ",tr[i]);
385 printf(" \n ");
386
387
388 } // if (else )raw data
389 recTree->Fill();
390 if(frecpoints) delete frecpoints;
391 }
392
393
394 //____________________________________________________________
395
396 void AliT0Reconstructor::FillESD(TTree */*digitsTree*/, TTree *clustersTree, AliESDEvent *pESD) const
397 {
dc7ca31d 398
399 /***************************************************
400 Resonstruct digits to vertex position
401 ****************************************************/
402
dc7ca31d 403 AliDebug(1,Form("Start FillESD T0"));
0d96e32b 404
adf36b9d 405 Float_t c = 29.9792458; // cm/ns
406 Float_t currentVertex=0, shift=0;
407 Int_t ncont=0;
408 const AliESDVertex* vertex = pESD->GetPrimaryVertex();
409 if (!vertex) vertex = pESD->GetPrimaryVertexSPD();
410 if (!vertex) vertex = pESD->GetPrimaryVertexTPC();
411 if (!vertex) vertex = pESD->GetVertex();
412
413 if (vertex) {
414 AliDebug(2, Form("Got %s (%s) from ESD: %f",
415 vertex->GetName(), vertex->GetTitle(), vertex->GetZ()));
416 currentVertex = vertex->GetZ();
417
418 ncont = vertex->GetNContributors();
419 // cout<<" spdver "<<spdver<<" ncont "<<ncont<<endl;
9480f05f 420 if(ncont>1 ) {
adf36b9d 421 // hVertexSPD->Fill(spdver);
422 shift = currentVertex/c;
423 // cout<<" vertex shif "<<shift<<" vertex "<<spdver<<" IsFromVertexer3D "<<fverSPD->IsFromVertexer3D()<<endl;
424 }
425 }
d76c31f4 426 TTree *treeR = clustersTree;
dc7ca31d 427
428 AliT0RecPoint* frecpoints= new AliT0RecPoint ();
429 if (!frecpoints) {
430 AliError("Reconstruct Fill ESD >> no recpoints found");
431 return;
432 }
433
434 AliDebug(1,Form("Start FillESD T0"));
435 TBranch *brRec = treeR->GetBranch("T0");
436 if (brRec) {
437 brRec->SetAddress(&frecpoints);
438 }else{
f16935f7 439 AliError(Form("EXEC Branch T0 rec not found"));
dc7ca31d 440 return;
441 }
442
443 brRec->GetEntry(0);
adf36b9d 444 Double32_t amp[24], time[24];
445 Double32_t timeClock[3];
446 Double32_t zPosition = frecpoints -> GetVertex();
447 Double32_t timeStart = frecpoints -> GetMeanTime();
448 timeClock[0] = frecpoints -> GetT0clock() ;
449 timeClock[1] = frecpoints -> GetBestTimeA() + shift;
450 timeClock[2] = frecpoints -> GetBestTimeC() - shift;
451 for ( Int_t i=0; i<24; i++) {
452 time[i] = frecpoints -> GetTime(i); // ps to ns
dc7ca31d 453 amp[i] = frecpoints -> GetAmp(i);
454 }
adf36b9d 455 Int_t trig= frecpoints ->GetT0Trig();
456 pESD->SetT0Trig(trig);
457
f16935f7 458 pESD->SetT0zVertex(zPosition); //vertex Z position
dc7ca31d 459 pESD->SetT0(timeStart); // interaction time
adf36b9d 460 for(Int_t i=0; i<3; i++)
461 pESD->SetT0TOF(i,timeClock[i]); // interaction time (ns)
dc7ca31d 462 pESD->SetT0time(time); // best TOF on each PMT
463 pESD->SetT0amplitude(amp); // number of particles(MIPs) on each PMT
adf36b9d 464
465 AliDebug(1,Form("T0: Vertex %f (T0A+T0C)/2 %f #channels T0signal %f ns OrA %f ns OrC %f T0trig %i\n",zPosition, timeStart, timeClock[0], timeClock[1], timeClock[2], trig));
466
467
dc7ca31d 468} // vertex in 3 sigma
469
470
471
472
473
474