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6740ab97 | 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 | **************************************************************************/ | |
4c475d27 | 15 | |
88cb7938 | 16 | /* $Id$ */ |
ef0750c2 | 17 | |
88cb7938 | 18 | #include <Riostream.h> |
94de3818 | 19 | |
88cb7938 | 20 | #include <TDirectory.h> |
ef51244a | 21 | |
a8859328 | 22 | #include "AliRunLoader.h" |
23 | #include "AliRun.h" | |
affef71b | 24 | #include <AliESD.h> |
460b4363 | 25 | #include "AliLog.h" |
db173afc | 26 | #include <TClonesArray.h> |
27 | #include "AliSTARTRecPoint.h" | |
28 | #include "AliRawReader.h" | |
29 | #include "AliSTARTRawReader.h" | |
460b4363 | 30 | #include "AliSTARTLoader.h" |
31 | #include "AliSTARTdigit.h" | |
32 | #include "AliSTARTReconstructor.h" | |
33 | #include "AliSTARTParameters.h" | |
460b4363 | 34 | #include "AliCDBLocal.h" |
35 | #include "AliCDBStorage.h" | |
36 | #include "AliCDBManager.h" | |
37 | #include "AliCDBEntry.h" | |
38 | ||
39 | #include <TArrayI.h> | |
4c7da157 | 40 | #include <TGraph.h> |
460b4363 | 41 | |
121a60bd | 42 | ClassImp(AliSTARTReconstructor) |
6740ab97 | 43 | |
db173afc | 44 | void AliSTARTReconstructor::ConvertDigits(AliRawReader* rawReader, TTree* digitsTree) const |
121a60bd | 45 | { |
db173afc | 46 | //START raw data-> digits conversion |
47 | // reconstruct time information from raw data | |
48 | AliSTARTRawReader myrawreader(rawReader,digitsTree); | |
4c7da157 | 49 | // myrawreader.NextThing(); |
50 | myrawreader.Next(); | |
51 | cout<<" AliSTARTReconstructor::ConvertDigits "<< myrawreader.Next()<<endl; | |
121a60bd | 52 | } |
db173afc | 53 | void AliSTARTReconstructor::Reconstruct(TTree*digitsTree, TTree*clustersTree) const |
54 | { | |
55 | // START digits reconstruction | |
56 | // STARTRecPoint writing | |
57 | ||
460b4363 | 58 | //Q->T-> coefficients !!!! should be asked!!! |
59 | // Float_t ph2MIP=500; | |
60 | Float_t gain[24], timeDelayCFD[24], timeDelayLED[24]; | |
460b4363 | 61 | Float_t zdetA,zdetC; |
62 | TObjArray slewingLED; | |
63 | ||
64 | TArrayI * fADC = new TArrayI(24); | |
65 | TArrayI * fTimeCFD = new TArrayI(24); | |
66 | TArrayI * fADCLED = new TArrayI(24); | |
67 | TArrayI * fTimeLED = new TArrayI(24); | |
68 | ||
69 | AliSTARTParameters* param = AliSTARTParameters::Instance(); | |
b2214376 | 70 | param->Init(); |
4c7da157 | 71 | |
72 | Int_t mV2Mip = param->GetmV2Mip(); | |
a4cbbaa7 | 73 | //mV2Mip = param->GetmV2Mip(); |
460b4363 | 74 | Int_t channelWidth = param->GetChannelWidth() ; |
75 | ||
4c7da157 | 76 | for (Int_t i=0; i<24; i++){ |
77 | timeDelayCFD[i] = param->GetTimeDelayCFD(i); | |
78 | timeDelayLED[i] = param->GetTimeDelayLED(i); | |
79 | gain[i] = param->GetGain(i); | |
80 | slewingLED.AddAtAndExpand(param->GetSlew(i),i); | |
81 | } | |
82 | zdetC = param->GetZposition(0); | |
83 | zdetA = param->GetZposition(1); | |
84 | ||
db173afc | 85 | AliDebug(1,Form("Start DIGITS reconstruction ")); |
b2214376 | 86 | |
db173afc | 87 | TBranch *brDigits=digitsTree->GetBranch("START"); |
88 | AliSTARTdigit *fDigits = new AliSTARTdigit(); | |
89 | if (brDigits) { | |
90 | brDigits->SetAddress(&fDigits); | |
91 | }else{ | |
92 | cerr<<"EXEC Branch START digits not found"<<endl; | |
93 | return; | |
94 | } | |
95 | brDigits->GetEntry(0); | |
460b4363 | 96 | fDigits->GetTime(*fTimeCFD); |
460b4363 | 97 | fDigits->GetADC(*fADC); |
98 | fDigits->GetTimeAmp(*fTimeLED); | |
99 | fDigits->GetADCAmp(*fADCLED); | |
100 | ||
4c7da157 | 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 | AliSTARTRecPoint* frecpoints= new AliSTARTRecPoint (); | |
108 | clustersTree->Branch( "START", "AliSTARTRecPoint" ,&frecpoints, 405,1); | |
109 | ||
460b4363 | 110 | Float_t time[24], adc[24]; |
b743452c | 111 | for (Int_t ipmt=0; ipmt<24; ipmt++) { |
460b4363 | 112 | |
b743452c | 113 | if(fTimeCFD->At(ipmt)>0 ){ |
114 | time[ipmt] = channelWidth *( fTimeCFD->At(ipmt)) - 1000*timeDelayCFD[ipmt]; | |
115 | Float_t adc_digPs = channelWidth * Float_t (fADC->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]); | |
460b4363 | 121 | } |
b743452c | 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; | |
4c7da157 | 132 | } |
db173afc | 133 | } |
b743452c | 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 | |
4c7da157 | 139 | pmtBestRight=ipmt;} |
4c7da157 | 140 | } |
b743452c | 141 | } |
142 | if(besttimeright !=999999) frecpoints->SetTimeBestRight(Int_t(besttimeright)); | |
143 | if( besttimeleft != 999999 ) frecpoints->SetTimeBestLeft(Int_t(besttimeleft)); | |
144 | AliDebug(1,Form(" besttimeright %f ps, besttimeleft %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 = besttimeright - besttimeleft; | |
149 | meanTime = (besttimeright + besttimeleft)/2.; | |
150 | vertex = c*(timeDiff); //-(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 | ||
4c7da157 | 155 | } |
db173afc | 156 | clustersTree->Fill(); |
157 | } | |
158 | ||
159 | ||
160 | void AliSTARTReconstructor::FillESD(AliRunLoader* runLoader, AliESD *pESD) const | |
6740ab97 | 161 | { |
db173afc | 162 | |
f3ed336b | 163 | /*************************************************** |
164 | Resonstruct digits to vertex position | |
165 | ****************************************************/ | |
db173afc | 166 | |
db173afc | 167 | |
168 | if (!runLoader) { | |
169 | AliError("Reconstruct >> No run loader"); | |
6fc133d2 | 170 | return; |
171 | } | |
db173afc | 172 | |
173 | AliDebug(1,Form("Start FillESD START")); | |
affef71b | 174 | |
db173afc | 175 | AliSTARTLoader* pStartLoader = (AliSTARTLoader*) runLoader->GetLoader("STARTLoader"); |
6fc133d2 | 176 | |
db173afc | 177 | pStartLoader->LoadRecPoints("READ"); |
4c7da157 | 178 | |
179 | TTree *treeR = pStartLoader->TreeR(); | |
db173afc | 180 | |
181 | AliSTARTRecPoint* frecpoints= new AliSTARTRecPoint (); | |
182 | if (!frecpoints) { | |
183 | AliError("Reconstruct Fill ESD >> no recpoints found"); | |
6fc133d2 | 184 | return; |
185 | } | |
a8859328 | 186 | |
db173afc | 187 | AliDebug(1,Form("Start FillESD START")); |
4c7da157 | 188 | TBranch *brRec = treeR->GetBranch("START"); |
189 | if (brRec) { | |
190 | brRec->SetAddress(&frecpoints); | |
191 | }else{ | |
192 | cerr<<"EXEC Branch START rec not found"<<endl; | |
193 | // exit(111); | |
194 | return; | |
195 | } | |
196 | ||
db173afc | 197 | brRec->GetEntry(0); |
a4cbbaa7 | 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 | |
a4cbbaa7 | 207 | pESD->SetT0(timeStart); // interaction time |
6d45eaef | 208 | pESD->SetT0time(time); // best TOF on each PMT |
209 | pESD->SetT0amplitude(amp); // number of particles(MIPs) on each PMT | |
210 | ||
db173afc | 211 | pStartLoader->UnloadRecPoints(); |
4c7da157 | 212 | |
db173afc | 213 | } // vertex in 3 sigma |
6740ab97 | 214 | |
215 | ||
216 | ||
217 | ||
7115262b | 218 | |
219 |