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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" | |
34 | #include "AliSTARTAlignData.h" | |
35 | #include "AliSTARTCalibData.h" | |
36 | #include "AliCDBLocal.h" | |
37 | #include "AliCDBStorage.h" | |
38 | #include "AliCDBManager.h" | |
39 | #include "AliCDBEntry.h" | |
40 | ||
41 | #include <TArrayI.h> | |
42 | ||
121a60bd | 43 | ClassImp(AliSTARTReconstructor) |
460b4363 | 44 | AliSTARTAlignData* AliSTARTReconstructor::fgAlignData = 0; |
45 | AliSTARTCalibData* AliSTARTReconstructor::fgCalibData = 0; | |
6740ab97 | 46 | |
db173afc | 47 | void AliSTARTReconstructor::ConvertDigits(AliRawReader* rawReader, TTree* digitsTree) const |
121a60bd | 48 | { |
db173afc | 49 | //START raw data-> digits conversion |
50 | // reconstruct time information from raw data | |
51 | AliSTARTRawReader myrawreader(rawReader,digitsTree); | |
52 | myrawreader.NextThing(); | |
121a60bd | 53 | } |
db173afc | 54 | void AliSTARTReconstructor::Reconstruct(TTree*digitsTree, TTree*clustersTree) const |
55 | { | |
56 | // START digits reconstruction | |
57 | // STARTRecPoint writing | |
58 | ||
460b4363 | 59 | //Q->T-> coefficients !!!! should be asked!!! |
60 | // Float_t ph2MIP=500; | |
61 | Float_t gain[24], timeDelayCFD[24], timeDelayLED[24]; | |
460b4363 | 62 | Float_t zdetA,zdetC; |
63 | TObjArray slewingLED; | |
64 | ||
65 | TArrayI * fADC = new TArrayI(24); | |
66 | TArrayI * fTimeCFD = new TArrayI(24); | |
67 | TArrayI * fADCLED = new TArrayI(24); | |
68 | TArrayI * fTimeLED = new TArrayI(24); | |
b2214376 | 69 | cout<<" fTimeCFD "<<fTimeCFD<<endl; |
460b4363 | 70 | |
71 | AliSTARTParameters* param = AliSTARTParameters::Instance(); | |
b2214376 | 72 | param->Init(); |
460b4363 | 73 | Int_t ph2MIP = param->GetPh2Mip(); |
74 | Int_t channelWidth = param->GetChannelWidth() ; | |
75 | ||
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); | |
b2214376 | 81 | } |
460b4363 | 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 | ||
101 | Float_t time[24], adc[24]; | |
102 | for (Int_t ipmt=0; ipmt<24; ipmt++) | |
103 | { | |
104 | ||
b2214376 | 105 | if(fTimeCFD->At(ipmt)>0 ){ |
106 | time[ipmt] = channelWidth *( fTimeCFD->At(ipmt)) - 1000*timeDelayCFD[ipmt]; | |
460b4363 | 107 | cout<<ipmt<<" "<<time[ipmt]; |
b2214376 | 108 | Float_t adc_digPs = channelWidth * Float_t (fADC->At(ipmt)) ; |
109 | // cout<<" adc_digmV "<< adc_digPs<<endl; | |
110 | adc[ipmt] = TMath::Exp(adc_digPs/1000) /gain[ipmt]; | |
111 | // cout<<" adc"<<adc[ipmt]<<" inMIP "<<adc[ipmt]/50<< endl; | |
112 | } | |
460b4363 | 113 | } |
114 | ||
b2214376 | 115 | Int_t besttimeright=channelWidth * (fDigits->BestTimeRight()); |
116 | Int_t besttimeleft=channelWidth * (fDigits->BestTimeLeft()); | |
db173afc | 117 | //folding with experimental time distribution |
118 | // Float_t c = 29.9792; // cm/ns | |
119 | Float_t c = 0.0299792; // cm/ps | |
460b4363 | 120 | Float_t lenr=TMath::Sqrt(zdetA*zdetA + 6.5*6.5); |
121 | Float_t lenl=TMath::Sqrt(zdetC*zdetC + 6.5*6.5); | |
b2214376 | 122 | Float_t timeDiff=channelWidth * (fDigits->TimeDiff()); |
123 | Int_t meanTime=channelWidth * (fDigits->MeanTime()); | |
db173afc | 124 | Float_t ds=(c*(timeDiff)-(lenr-lenl))/2; |
125 | AliDebug(2,Form(" timediff in ns %f real point%f",timeDiff,ds)); | |
126 | ||
460b4363 | 127 | /* |
db173afc | 128 | fDigits->GetSumMult(*fSumMult); |
460b4363 | 129 | Int_t multipl[4]; |
130 | ||
131 | for (Int_t i=0; i<4; i++) | |
db173afc | 132 | { |
133 | Float_t mult=Float_t (fSumMult->At(i)); | |
134 | Float_t realMultmV=TMath::Exp(mult/mV2channel); | |
135 | multipl[i]=Int_t ((realMultmV/ph2mV)/500+0.5); | |
136 | } | |
460b4363 | 137 | */ |
138 | ||
139 | // AliDebug(2,Form(" multiplicity Abs side %i multiplicity non-Abs side %i",multipl[1],multipl[2])); | |
db173afc | 140 | |
141 | AliSTARTRecPoint* frecpoints= new AliSTARTRecPoint (); | |
142 | clustersTree->Branch( "START", "AliSTARTRecPoint" ,&frecpoints, 405,1); | |
143 | frecpoints->SetTimeBestRight(besttimeright); | |
144 | frecpoints->SetTimeBestLeft(besttimeleft); | |
145 | frecpoints->SetVertex(ds); | |
146 | frecpoints->SetMeanTime(meanTime); | |
460b4363 | 147 | /* |
db173afc | 148 | frecpoints->SetMult(multipl[0]); |
149 | frecpoints->SetMultA(multipl[2]); | |
150 | frecpoints->SetMultC(multipl[1]); | |
460b4363 | 151 | */ |
db173afc | 152 | clustersTree->Fill(); |
153 | } | |
154 | ||
155 | ||
156 | void AliSTARTReconstructor::FillESD(AliRunLoader* runLoader, AliESD *pESD) const | |
6740ab97 | 157 | { |
db173afc | 158 | |
f3ed336b | 159 | /*************************************************** |
160 | Resonstruct digits to vertex position | |
161 | ****************************************************/ | |
db173afc | 162 | |
163 | // Float_t c = 0.3; //speed of light mm/ps | |
164 | // Float_t Zposition=0; | |
165 | ||
166 | if (!runLoader) { | |
167 | AliError("Reconstruct >> No run loader"); | |
6fc133d2 | 168 | return; |
169 | } | |
db173afc | 170 | |
171 | AliDebug(1,Form("Start FillESD START")); | |
affef71b | 172 | |
db173afc | 173 | AliSTARTLoader* pStartLoader = (AliSTARTLoader*) runLoader->GetLoader("STARTLoader"); |
6fc133d2 | 174 | |
db173afc | 175 | pStartLoader->LoadRecPoints("READ"); |
176 | ||
177 | TTree *treeR = pStartLoader->TreeR(); | |
178 | ||
179 | AliSTARTRecPoint* frecpoints= new AliSTARTRecPoint (); | |
180 | if (!frecpoints) { | |
181 | AliError("Reconstruct Fill ESD >> no recpoints found"); | |
6fc133d2 | 182 | return; |
183 | } | |
a8859328 | 184 | |
db173afc | 185 | AliDebug(1,Form("Start FillESD START")); |
186 | TBranch *brRec = treeR->GetBranch("START"); | |
187 | if (brRec) { | |
188 | brRec->SetAddress(&frecpoints); | |
189 | }else{ | |
190 | cerr<<"EXEC Branch START rec not found"<<endl; | |
191 | exit(111); | |
192 | } | |
193 | ||
194 | brRec->GetEntry(0); | |
195 | Float_t Zposition=frecpoints->GetVertex(); | |
6fc133d2 | 196 | |
db173afc | 197 | pESD->SetT0zVertex(Zposition); |
198 | pStartLoader->UnloadRecPoints(); | |
6fc133d2 | 199 | |
db173afc | 200 | } // vertex in 3 sigma |
6740ab97 | 201 | |
202 | ||
203 | ||
204 | ||
7115262b | 205 | |
206 |