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8d72d1c2 | 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 | /* $Id$ */ | |
94249139 | 17 | /*********************************************************************** |
18 | * this class doing calibration during reconstruction | |
19 | * 2 steps: | |
20 | * - equalizing channels | |
21 | * - applying walk corrections | |
22 | * | |
23 | * Alla.Maevskaya@cern.ch | |
24 | * | |
25 | **********************************************************************/ | |
26 | ||
27 | //#include <Riostream.h> | |
8d72d1c2 | 28 | |
29 | #include "AliLog.h" | |
30 | #include "AliT0Parameters.h" | |
31 | #include "AliT0Calibrator.h" | |
8d72d1c2 | 32 | #include <TGraph.h> |
7d95281b | 33 | #include <TH1F.h> |
2e6a5ee0 | 34 | #include <TMath.h> |
35 | #include "iostream.h" | |
8d72d1c2 | 36 | |
37 | ClassImp(AliT0Calibrator) | |
38 | ||
39 | //____________________________________________________________________ | |
9e1b06a2 | 40 | AliT0Calibrator::AliT0Calibrator():TNamed(), |
2e6a5ee0 | 41 | fChannelWidth(0), |
42 | fWalk(0) | |
43 | ||
8d72d1c2 | 44 | { |
94249139 | 45 | //constructor |
46 | ||
2e6a5ee0 | 47 | AliT0Parameters* param = AliT0Parameters::Instance(); |
48 | param->Init(); | |
8d72d1c2 | 49 | |
50 | fChannelWidth = param->GetChannelWidth() ; | |
2e6a5ee0 | 51 | Double_t *grY ; |
52 | Double_t *grX ; | |
53 | Int_t index[2500]; | |
54 | Bool_t down=true; | |
8d72d1c2 | 55 | for (Int_t i=0; i<24; i++){ |
2e6a5ee0 | 56 | fMaxValue[i]=0; |
8d72d1c2 | 57 | fTimeDelayCFD[i] = Int_t (param->GetTimeDelayCFD(i)); |
2e6a5ee0 | 58 | |
59 | // TGraph* fu = param ->GetWalk(i); | |
60 | TGraph* fu = param ->GetAmpLEDRec(i); | |
61 | if(fu) { | |
62 | Int_t np=fu->GetN(); | |
63 | if(np>0) { | |
64 | grY = fu->GetY(); | |
65 | grX = fu->GetX(); | |
66 | TMath::Sort(np, grY, index,down); | |
67 | fMaxValue[i]=Int_t(grY[index[0]]); | |
68 | fWalk.AddAtAndExpand(fu,i); | |
69 | } | |
70 | } | |
8d72d1c2 | 71 | } |
2e6a5ee0 | 72 | // delete [] grY; |
73 | // delete [] grX; | |
8d72d1c2 | 74 | |
75 | // | |
76 | } | |
77 | //_____________________________________________________________________________ | |
78 | ||
9e1b06a2 | 79 | AliT0Calibrator::AliT0Calibrator(const AliT0Calibrator &r): TNamed(), |
8d72d1c2 | 80 | fChannelWidth(0), |
74adb36a | 81 | fWalk(0) |
8d72d1c2 | 82 | |
83 | { | |
84 | // | |
85 | // AliT0calibartor copy constructor | |
86 | // | |
87 | ||
88 | ((AliT0Calibrator &) r).Copy(*this); | |
89 | ||
90 | } | |
91 | ||
92 | //_____________________________________________________________________________ | |
93 | AliT0Calibrator &AliT0Calibrator::operator=(const AliT0Calibrator &r) | |
94 | { | |
95 | // | |
96 | // Assignment operator | |
97 | // | |
98 | ||
99 | if (this != &r) ((AliT0Calibrator &) r).Copy(*this); | |
100 | return *this; | |
101 | ||
102 | } | |
103 | ||
104 | ||
105 | ||
106 | //____________________________________________________________________ | |
aaa0a98f | 107 | Int_t AliT0Calibrator::WalkCorrection(Int_t ipmt, Int_t qt, Int_t time, TString option) |
8d72d1c2 | 108 | { |
109 | //slewing correcion and equalizing channels | |
110 | ||
2e6a5ee0 | 111 | Int_t walk=0; |
112 | ||
113 | Int_t timeEq=0, timeWalk=0; | |
114 | // TGraph* fu1 = param ->GetWalk(ipmt); | |
115 | // TGraph* fu1 = param ->GetAmpLEDRec(ipmt); | |
116 | TGraph *fu1=(TGraph*) fWalk.At(ipmt); | |
117 | if(fu1 && fu1->GetN()>0) { | |
118 | walk=Int_t(fu1->Eval(Double_t(qt))); | |
e8ed1cd0 | 119 | } |
120 | if (option == "pdc") { | |
2e6a5ee0 | 121 | timeWalk = time + Int_t((fMaxValue[ipmt]-walk)/fChannelWidth) ; |
e8ed1cd0 | 122 | timeEq= timeWalk - (fTimeDelayCFD[ipmt]-fTimeDelayCFD[0]); |
123 | } | |
124 | if (option == "cosmic") { | |
2e6a5ee0 | 125 | timeWalk = time + Int_t((fMaxValue[ipmt]-walk)) ; |
126 | if(walk <1 ) timeWalk = time ; | |
127 | timeEq= timeWalk - fTimeDelayCFD[ipmt]; | |
128 | AliDebug(10,Form(" ipmt %i time before %i timeWalk %i , qt %i timeEq %i \n ", | |
e8ed1cd0 | 129 | ipmt, time,timeWalk, qt, timeEq )); |
2e6a5ee0 | 130 | } |
131 | ||
8d72d1c2 | 132 | return timeEq; |
133 | } | |
134 | ||
135 | ||
136 |