]> git.uio.no Git - u/mrichter/AliRoot.git/blob - ANALYSIS/TenderSupplies/AliT0TenderSupply.cxx
add muons to the path
[u/mrichter/AliRoot.git] / ANALYSIS / TenderSupplies / AliT0TenderSupply.cxx
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 ///////////////////////////////////////////////////////////////////////////
17 //                                                                       //
18 //  T0 Tender supply    //
19 //  //
20 //                                                                       //
21 ///////////////////////////////////////////////////////////////////////////
22
23 #include <AliESDEvent.h>
24 #include <AliESDtrack.h>
25
26 #include <AliTender.h>
27 #include <AliT0TenderSupply.h>
28 #include <AliCDBManager.h>
29 #include <AliCDBEntry.h>
30 #include <AliT0CalibSeasonTimeShift.h>
31
32
33 ClassImp(AliT0TenderSupply)
34
35 //________________________________________________________________________
36 AliT0TenderSupply::AliT0TenderSupply():
37   AliTenderSupply(),
38   fCorrectMeanTime(kFALSE),
39   fCorrectStartTimeOnAmplSatur(kFALSE),
40   fAmplitudeThreshold(100), 
41   fPass4LHC11aCorrection(kFALSE)
42 {
43   //
44   // default constructor
45   //
46   for(int i=0; i<4; i++) fTimeOffset[i]=0;
47 }
48
49 //________________________________________________________________________
50 AliT0TenderSupply::AliT0TenderSupply(const char *name, const AliTender *tender):
51   AliTenderSupply(name,tender),
52   fCorrectMeanTime(kFALSE),
53   fCorrectStartTimeOnAmplSatur(kFALSE),
54   fAmplitudeThreshold(100),
55   fPass4LHC11aCorrection(kFALSE)
56 {
57   //
58   // constructor
59   //
60   for(int i=0; i<3; i++) fTimeOffset[i]=0;
61 }
62
63 //________________________________________________________________________
64 AliT0TenderSupply::~AliT0TenderSupply(){
65   //
66   // destructor
67   //
68   
69 }
70
71 //________________________________________________________________________
72 void AliT0TenderSupply::Init(){
73   //
74   // Init
75   //
76   Int_t run = fTender->GetRun();
77   if (run == 0) return;                // to skip first init, when we don't have yet a run number
78
79   fCorrectMeanTime = kFALSE; //reset
80   for(int i=0; i<4; i++) fTimeOffset[i]=0;
81
82
83   fCorrectStartTimeOnAmplSatur = kFALSE;
84   fAmplitudeThreshold = 100; //in mips
85   
86   if(167693<= run && run<=170593){  // LHC11h
87     fCorrectStartTimeOnAmplSatur = kTRUE;
88     fAmplitudeThreshold = 50; //in mips
89   }
90
91 }
92
93 //________________________________________________________________________
94 void AliT0TenderSupply::ProcessEvent(){
95     //
96     // loop over all online T0 candidates and flag
97     // selected daughter tracks using the status bis of the TObject
98     //
99
100     AliESDEvent *event=fTender->GetEvent();
101     if (!event) return;
102
103     //Do something when the run number changed, like loading OCDB entries etc.
104     if(fTender->RunChanged()){
105         Init();
106     }
107
108     if(fPass4LHC11aCorrection) {
109       const Double32_t* mean = event->GetT0TOF();
110       event->SetT0TOF(0, (mean[1]+mean[2])/2.);
111
112     }
113     if(fCorrectStartTimeOnAmplSatur){
114         //correct A side ORA on amplitude saturation
115         const Double32_t* time = event->GetT0time();
116         const Double32_t* amplitude = event->GetT0amplitude();
117
118         Int_t idxOfFirstPmtA = -1;
119         Double32_t timeOrA   = 99999;
120         for(int ipmt=12; ipmt<24; ipmt++){ //loop over A side
121             if( amplitude[ipmt] < fAmplitudeThreshold){
122                 if( time[ipmt] > -200 && time[ipmt]!=0 && time[ipmt] < timeOrA ){ 
123                     timeOrA        = time[ipmt];
124                     idxOfFirstPmtA = ipmt;
125                 }
126             }
127         }
128
129         if(idxOfFirstPmtA>-1){ //a hit in aside with less than 40 mips
130             const Double32_t* mean = event->GetT0TOF();
131             Double32_t timeOrC = mean[2];
132             Double32_t timeOrAplusOrC = (timeOrA+timeOrC)/2;
133
134             event->SetT0TOF(0, timeOrAplusOrC);
135             event->SetT0TOF(1, timeOrA);
136         }
137     }
138
139     //...........................................
140     Float_t *t0means=0x0;
141      if(fCorrectMeanTime){
142       AliCDBManager* ocdbMan = AliCDBManager::Instance();
143       ocdbMan->SetRun(fTender->GetRun());    
144       AliCDBEntry *entry = ocdbMan->Get("T0/Calib/TimeAdjust/");
145       if(entry) {
146         AliT0CalibSeasonTimeShift *clb = (AliT0CalibSeasonTimeShift*) entry->GetObject();
147         t0means= clb->GetT0Means();
148      } else {
149         for (Int_t i=0;i<4;i++) t0means[i]=0;
150         AliWarning("T0Tender no T0 entry found T0shift set to 0");
151       }
152     } else {
153       for (Int_t i=0;i<4;i++) t0means=0;
154     }
155        // correct mean time offsets  
156      const Double32_t* mean = event->GetT0TOF();
157      for(int it0=0; it0<3; it0++){
158        if(-2000 < mean[it0]){
159          event->SetT0TOF(it0, mean[it0] - t0means[it0]); 
160        }
161      }
162 }
163
164