macro to convert Raw to Digits
[u/mrichter/AliRoot.git] / T0 / AliT0Reconstructor.cxx
CommitLineData
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
47ClassImp(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 57AliT0Reconstructor::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//_____________________________________________________________________________
70AliT0Reconstructor &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 83void 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
206void 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 328void 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