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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" | |
23 | #include "AliRun.h" | |
24 | #include <AliESD.h> | |
25 | #include "AliLog.h" | |
26 | #include <TClonesArray.h> | |
27 | #include "AliT0RecPoint.h" | |
28 | #include "AliRawReader.h" | |
29 | #include "AliT0RawReader.h" | |
30 | #include "AliT0Loader.h" | |
31 | #include "AliT0digit.h" | |
32 | #include "AliT0Reconstructor.h" | |
33 | #include "AliT0Parameters.h" | |
34 | #include "AliCDBLocal.h" | |
35 | #include "AliCDBStorage.h" | |
36 | #include "AliCDBManager.h" | |
37 | #include "AliCDBEntry.h" | |
38 | ||
39 | #include <TArrayI.h> | |
40 | #include <TGraph.h> | |
41 | ||
42 | ClassImp(AliT0Reconstructor) | |
43 | ||
44 | void AliT0Reconstructor::ConvertDigits(AliRawReader* rawReader, TTree* digitsTree) const | |
45 | { | |
46 | //T0 raw data-> digits conversion | |
47 | // reconstruct time information from raw data | |
48 | AliT0RawReader myrawreader(rawReader,digitsTree); | |
49 | if (!myrawreader.Next()) | |
50 | AliDebug(1,Form(" no raw data found!! %i", myrawreader.Next())); | |
51 | } | |
52 | void AliT0Reconstructor::Reconstruct(TTree*digitsTree, TTree*clustersTree) const | |
53 | { | |
54 | // T0 digits reconstruction | |
55 | // T0RecPoint writing | |
56 | ||
57 | //Q->T-> coefficients !!!! should be asked!!! | |
58 | // Float_t ph2MIP=500; | |
59 | Float_t gain[24], timeDelayCFD[24], timeDelayLED[24]; | |
60 | Float_t zdetA,zdetC; | |
61 | TObjArray slewingLED; | |
62 | ||
63 | TArrayI * fADC = new TArrayI(24); | |
64 | TArrayI * fTimeCFD = new TArrayI(24); | |
65 | TArrayI * fADCLED = new TArrayI(24); | |
66 | TArrayI * fTimeLED = new TArrayI(24); | |
67 | ||
68 | AliT0Parameters* param = AliT0Parameters::Instance(); | |
69 | param->Init(); | |
70 | ||
71 | Int_t mV2Mip = param->GetmV2Mip(); | |
72 | //mV2Mip = param->GetmV2Mip(); | |
73 | Int_t channelWidth = param->GetChannelWidth() ; | |
74 | ||
75 | for (Int_t i=0; i<24; i++){ | |
76 | timeDelayCFD[i] = param->GetTimeDelayCFD(i); | |
77 | timeDelayLED[i] = param->GetTimeDelayLED(i); | |
78 | gain[i] = param->GetGain(i); | |
79 | //gain[i] = 1; | |
80 | slewingLED.AddAtAndExpand(param->GetSlew(i),i); | |
81 | } | |
82 | zdetC = param->GetZposition(0); | |
83 | zdetA = param->GetZposition(1); | |
84 | ||
85 | AliDebug(1,Form("Start DIGITS reconstruction ")); | |
86 | ||
87 | TBranch *brDigits=digitsTree->GetBranch("T0"); | |
88 | AliT0digit *fDigits = new AliT0digit(); | |
89 | if (brDigits) { | |
90 | brDigits->SetAddress(&fDigits); | |
91 | }else{ | |
92 | cerr<<"EXEC Branch T0 digits not found"<<endl; | |
93 | return; | |
94 | } | |
95 | brDigits->GetEntry(0); | |
96 | fDigits->GetTime(*fTimeCFD); | |
97 | fDigits->GetADC(*fADC); | |
98 | fDigits->GetTimeAmp(*fTimeLED); | |
99 | fDigits->GetADCAmp(*fADCLED); | |
100 | ||
101 | Float_t besttimeright=999999; | |
102 | Float_t besttimeleft=999999; | |
103 | Int_t pmtBestRight=99999; | |
104 | Int_t pmtBestLeft=99999; | |
105 | Float_t timeDiff=999999, meanTime=0; | |
106 | ||
107 | AliT0RecPoint* frecpoints= new AliT0RecPoint (); | |
108 | clustersTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1); | |
109 | ||
110 | Float_t time[24], adc[24]; | |
111 | for (Int_t ipmt=0; ipmt<24; ipmt++) { | |
112 | ||
113 | if(fTimeCFD->At(ipmt)>0 ){ | |
114 | time[ipmt] = channelWidth *( fTimeCFD->At(ipmt)) - 1000*timeDelayCFD[ipmt]; | |
115 | Float_t adc_digPs = channelWidth * Float_t (fADCLED->At(ipmt)) ; | |
116 | adc[ipmt] = TMath::Exp(adc_digPs/1000) /gain[ipmt]; | |
117 | AliDebug(1,Form(" time %f ps, adc %f mv in MIP %i\n ", | |
118 | time[ipmt], adc[ipmt], Int_t (adc[ipmt]/mV2Mip +0.5))); | |
119 | frecpoints->SetTime(ipmt,time[ipmt]); | |
120 | frecpoints->SetAmp(ipmt,adc[ipmt]); | |
121 | } | |
122 | else { | |
123 | time[ipmt] = 0; | |
124 | adc[ipmt] = 0; | |
125 | } | |
126 | } | |
127 | for (Int_t ipmt=0; ipmt<12; ipmt++){ | |
128 | if(time[ipmt] > 1 ) { | |
129 | if(time[ipmt]<besttimeleft){ | |
130 | besttimeleft=time[ipmt]; //timeleft | |
131 | pmtBestLeft=ipmt; | |
132 | } | |
133 | } | |
134 | } | |
135 | for ( Int_t ipmt=12; ipmt<24; ipmt++){ | |
136 | if(time[ipmt] > 1) { | |
137 | if(time[ipmt]<besttimeright) { | |
138 | besttimeright=time[ipmt]; //timeright | |
139 | pmtBestRight=ipmt;} | |
140 | } | |
141 | } | |
142 | if(besttimeright !=999999) frecpoints->SetTimeBestRight(Int_t(besttimeright)); | |
143 | if( besttimeleft != 999999 ) frecpoints->SetTimeBestLeft(Int_t(besttimeleft)); | |
144 | AliDebug(1,Form(" besttimeA %f ps, besttimeC %f ps",besttimeright, besttimeleft)); | |
145 | Float_t c = 0.0299792; // cm/ps | |
146 | Float_t vertex = 0; | |
147 | if(besttimeright !=999999 && besttimeleft != 999999 ){ | |
148 | timeDiff = besttimeleft - besttimeright; | |
149 | meanTime = (besttimeright + besttimeleft)/2.; | |
150 | vertex = c*(timeDiff)/2.; //-(lenr-lenl))/2; | |
151 | AliDebug(1,Form(" timeDiff %f ps, meanTime %f ps, vertex %f cm",timeDiff, meanTime,vertex )); | |
152 | frecpoints->SetVertex(vertex); | |
153 | frecpoints->SetMeanTime(Int_t(meanTime)); | |
154 | ||
155 | } | |
156 | clustersTree->Fill(); | |
157 | } | |
158 | ||
159 | ||
160 | void AliT0Reconstructor::FillESD(AliRunLoader* runLoader, AliESD *pESD) const | |
161 | { | |
162 | ||
163 | /*************************************************** | |
164 | Resonstruct digits to vertex position | |
165 | ****************************************************/ | |
166 | ||
167 | ||
168 | if (!runLoader) { | |
169 | AliError("Reconstruct >> No run loader"); | |
170 | return; | |
171 | } | |
172 | ||
173 | AliDebug(1,Form("Start FillESD T0")); | |
174 | ||
175 | AliT0Loader* pStartLoader = (AliT0Loader*) runLoader->GetLoader("T0Loader"); | |
176 | ||
177 | pStartLoader->LoadRecPoints("READ"); | |
178 | ||
179 | TTree *treeR = pStartLoader->TreeR(); | |
180 | ||
181 | AliT0RecPoint* frecpoints= new AliT0RecPoint (); | |
182 | if (!frecpoints) { | |
183 | AliError("Reconstruct Fill ESD >> no recpoints found"); | |
184 | return; | |
185 | } | |
186 | ||
187 | AliDebug(1,Form("Start FillESD T0")); | |
188 | TBranch *brRec = treeR->GetBranch("T0"); | |
189 | if (brRec) { | |
190 | brRec->SetAddress(&frecpoints); | |
191 | }else{ | |
192 | cerr<<"EXEC Branch T0 rec not found"<<endl; | |
193 | // exit(111); | |
194 | return; | |
195 | } | |
196 | ||
197 | brRec->GetEntry(0); | |
198 | Float_t timeStart, Zposition, amp[24], time[24]; | |
199 | Int_t i; | |
200 | Zposition = frecpoints -> GetVertex(); | |
201 | timeStart = frecpoints -> GetMeanTime(); | |
202 | for ( i=0; i<24; i++) { | |
203 | time[i] = Float_t (frecpoints -> GetTime(i)) / 1000.; // ps to ns | |
204 | amp[i] = frecpoints -> GetAmp(i); | |
205 | } | |
206 | pESD->SetT0zVertex(Zposition); //vertex Z position | |
207 | pESD->SetT0(timeStart); // interaction time | |
208 | pESD->SetT0time(time); // best TOF on each PMT | |
209 | pESD->SetT0amplitude(amp); // number of particles(MIPs) on each PMT | |
210 | cout<<" ESD >> "<<Zposition<<" "<<timeStart<<endl; | |
211 | ||
212 | pStartLoader->UnloadRecPoints(); | |
213 | ||
214 | } // vertex in 3 sigma | |
215 | ||
216 | ||
217 | ||
218 | ||
219 | ||
220 |