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1 | ||
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 | /* $Id$ */ | |
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> | |
29 | ||
30 | #include "AliLog.h" | |
31 | #include "AliT0Parameters.h" | |
32 | #include "AliT0Calibrator.h" | |
33 | #include "AliT0Reconstructor.h" | |
34 | #include "AliT0RecoParam.h" | |
35 | #include <TGraph.h> | |
36 | #include <TH1F.h> | |
37 | #include <TMath.h> | |
38 | #include <Riostream.h> | |
39 | ||
40 | ClassImp(AliT0Calibrator) | |
41 | ||
42 | //____________________________________________________________________ | |
43 | AliT0Calibrator::AliT0Calibrator():TNamed(), | |
44 | fChannelWidth(0), | |
45 | fWalk(0) | |
46 | ||
47 | { | |
48 | //constructor | |
49 | AliT0Parameters* param = AliT0Parameters::Instance(); | |
50 | param->Init(); | |
51 | //slewing correcion and equalizing channels | |
52 | ||
53 | fChannelWidth = param->GetChannelWidth() ; | |
54 | // Double_t *grX ; | |
55 | for (Int_t i=0; i<24; i++){ | |
56 | fMaxValue[i]=0; | |
57 | fTimeDelayCFD[i] = Int_t (param->GetTimeDelayCFD(i)); | |
58 | TGraph* fu = param ->GetWalk(i); | |
59 | fWalk.AddAtAndExpand(fu,i); | |
60 | ||
61 | } | |
62 | ||
63 | } | |
64 | //_____________________________________________________________________________ | |
65 | ||
66 | AliT0Calibrator::AliT0Calibrator(const AliT0Calibrator &r): TNamed(), | |
67 | fChannelWidth(0), | |
68 | fWalk(0) | |
69 | ||
70 | { | |
71 | // | |
72 | // AliT0calibartor copy constructor | |
73 | // | |
74 | ||
75 | ((AliT0Calibrator &) r).Copy(*this); | |
76 | ||
77 | } | |
78 | ||
79 | //_____________________________________________________________________________ | |
80 | AliT0Calibrator &AliT0Calibrator::operator=(const AliT0Calibrator &r) | |
81 | { | |
82 | // | |
83 | // Assignment operator | |
84 | // | |
85 | ||
86 | if (this != &r) ((AliT0Calibrator &) r).Copy(*this); | |
87 | return *this; | |
88 | ||
89 | } | |
90 | ||
91 | ||
92 | //____________________________________________________________________ | |
93 | ||
94 | Int_t AliT0Calibrator::WalkCorrection(Int_t refAmp, Int_t ipmt, Int_t qt, Int_t time) | |
95 | ||
96 | { | |
97 | // | |
98 | // referemce amplitude for walk correction now read from RecoParam | |
99 | ||
100 | Double_t *grY ; | |
101 | ||
102 | Int_t walk=0; | |
103 | ||
104 | Int_t timeEq=0, timeWalk=0; | |
105 | TGraph *fu1=(TGraph*) fWalk.At(ipmt); | |
106 | if(fu1 && fu1->GetN()>0) { | |
107 | grY = fu1->GetY(); | |
108 | fMaxValue[ipmt]=grY[refAmp-1]; | |
109 | // TGraph* fu = param ->GetAmpLEDRec(i); | |
110 | walk = Int_t (fMaxValue[ipmt]) + Int_t(fu1->Eval(Double_t(qt))); | |
111 | } | |
112 | ||
113 | timeWalk = time + walk ; | |
114 | timeEq= timeWalk - fTimeDelayCFD[ipmt]; | |
115 | AliDebug(10,Form(" ipmt %i time before %i timeWalk %i , walk %i qt %i timeEq %i \n ", | |
116 | ipmt, time,timeWalk, walk, qt, timeEq )); | |
117 | ||
118 | return timeEq; | |
119 | } | |
120 | ||
121 | ||
122 |