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446d6ec4 | 1 | |
8d72d1c2 | 2 | /************************************************************************** |
3 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
4 | * * | |
5 | * Author: The ALICE Off-line Project. * | |
6 | * Contributors are mentioned in the code where appropriate. * | |
7 | * * | |
8 | * Permission to use, copy, modify and distribute this software and its * | |
9 | * documentation strictly for non-commercial purposes is hereby granted * | |
10 | * without fee, provided that the above copyright notice appears in all * | |
11 | * copies and that both the copyright notice and this permission notice * | |
12 | * appear in the supporting documentation. The authors make no claims * | |
13 | * about the suitability of this software for any purpose. It is * | |
14 | * provided "as is" without express or implied warranty. * | |
15 | **************************************************************************/ | |
16 | ||
17 | /* $Id$ */ | |
94249139 | 18 | /*********************************************************************** |
19 | * this class doing calibration during reconstruction | |
20 | * 2 steps: | |
21 | * - equalizing channels | |
22 | * - applying walk corrections | |
23 | * | |
24 | * Alla.Maevskaya@cern.ch | |
25 | * | |
26 | **********************************************************************/ | |
27 | ||
28 | //#include <Riostream.h> | |
8d72d1c2 | 29 | |
30 | #include "AliLog.h" | |
31 | #include "AliT0Parameters.h" | |
32 | #include "AliT0Calibrator.h" | |
8d72d1c2 | 33 | #include <TGraph.h> |
7d95281b | 34 | #include <TH1F.h> |
2e6a5ee0 | 35 | #include <TMath.h> |
b09247a2 | 36 | #include <Riostream.h> |
8d72d1c2 | 37 | |
38 | ClassImp(AliT0Calibrator) | |
39 | ||
40 | //____________________________________________________________________ | |
9e1b06a2 | 41 | AliT0Calibrator::AliT0Calibrator():TNamed(), |
2e6a5ee0 | 42 | fChannelWidth(0), |
43 | fWalk(0) | |
44 | ||
8d72d1c2 | 45 | { |
94249139 | 46 | //constructor |
47 | ||
2e6a5ee0 | 48 | AliT0Parameters* param = AliT0Parameters::Instance(); |
49 | param->Init(); | |
8d72d1c2 | 50 | |
51 | fChannelWidth = param->GetChannelWidth() ; | |
8d72d1c2 | 52 | for (Int_t i=0; i<24; i++){ |
2e6a5ee0 | 53 | fMaxValue[i]=0; |
8d72d1c2 | 54 | fTimeDelayCFD[i] = Int_t (param->GetTimeDelayCFD(i)); |
d0bcd1fb | 55 | |
446d6ec4 | 56 | TGraph* fu = param ->GetWalk(i); |
d0bcd1fb | 57 | // TGraph* fu = param ->GetAmpLEDRec(i); |
58 | fWalk.AddAtAndExpand(fu,i); | |
8d72d1c2 | 59 | } |
60 | ||
8d72d1c2 | 61 | } |
62 | //_____________________________________________________________________________ | |
63 | ||
9e1b06a2 | 64 | AliT0Calibrator::AliT0Calibrator(const AliT0Calibrator &r): TNamed(), |
8d72d1c2 | 65 | fChannelWidth(0), |
74adb36a | 66 | fWalk(0) |
8d72d1c2 | 67 | |
68 | { | |
69 | // | |
70 | // AliT0calibartor copy constructor | |
71 | // | |
72 | ||
73 | ((AliT0Calibrator &) r).Copy(*this); | |
74 | ||
75 | } | |
76 | ||
77 | //_____________________________________________________________________________ | |
78 | AliT0Calibrator &AliT0Calibrator::operator=(const AliT0Calibrator &r) | |
79 | { | |
80 | // | |
81 | // Assignment operator | |
82 | // | |
83 | ||
84 | if (this != &r) ((AliT0Calibrator &) r).Copy(*this); | |
85 | return *this; | |
86 | ||
87 | } | |
88 | ||
89 | ||
8d72d1c2 | 90 | //____________________________________________________________________ |
29a60970 | 91 | Int_t AliT0Calibrator::WalkCorrection(Int_t ipmt, Int_t qt, Int_t time) |
8d72d1c2 | 92 | { |
93 | //slewing correcion and equalizing channels | |
94 | ||
2e6a5ee0 | 95 | Int_t walk=0; |
96 | ||
97 | Int_t timeEq=0, timeWalk=0; | |
d0bcd1fb | 98 | TGraph *fu1=(TGraph*) fWalk.At(ipmt); |
99 | if(fu1 && fu1->GetN()>0) | |
2e6a5ee0 | 100 | walk=Int_t(fu1->Eval(Double_t(qt))); |
d0bcd1fb | 101 | |
102 | timeWalk = time + walk ; | |
103 | timeEq= timeWalk - fTimeDelayCFD[ipmt]; | |
104 | AliDebug(10,Form(" ipmt %i time before %i timeWalk %i , walk %i qt %i timeEq %i \n ", | |
105 | ipmt, time,timeWalk, walk, qt, timeEq )); | |
106 | ||
8d72d1c2 | 107 | return timeEq; |
108 | } | |
109 | ||
110 | ||
111 |