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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 <TGraph.h> | |
34 | #include <TH1F.h> | |
35 | #include <TMath.h> | |
36 | #include <Riostream.h> | |
37 | ||
38 | ClassImp(AliT0Calibrator) | |
39 | ||
40 | //____________________________________________________________________ | |
41 | AliT0Calibrator::AliT0Calibrator():TNamed(), | |
42 | fChannelWidth(0), | |
43 | fWalk(0) | |
44 | ||
45 | { | |
46 | //constructor | |
47 | ||
48 | AliT0Parameters* param = AliT0Parameters::Instance(); | |
49 | param->Init(); | |
50 | ||
51 | fChannelWidth = param->GetChannelWidth() ; | |
52 | Double_t *grY ; //= new grY[2500] ; | |
53 | // Double_t *grX ; | |
54 | Int_t index[25000]; | |
55 | Bool_t down=true; | |
56 | for (Int_t i=0; i<24; i++){ | |
57 | fMaxValue[i]=0; | |
58 | fTimeDelayCFD[i] = Int_t (param->GetTimeDelayCFD(i)); | |
59 | ||
60 | TGraph* fu = param ->GetWalk(i); | |
61 | // TGraph* fu = param ->GetAmpLEDRec(i); | |
62 | fWalk.AddAtAndExpand(fu,i); | |
63 | ||
64 | if(fu) { | |
65 | Int_t np=fu->GetN(); | |
66 | if(np>0) { | |
67 | grY = fu->GetY(); | |
68 | // grX[i] = fu->GetX(); | |
69 | TMath::Sort(np, grY, index,down); | |
70 | fMaxValue[i]=Int_t(grY[index[0]]); | |
71 | ||
72 | } | |
73 | } | |
74 | ||
75 | } | |
76 | ||
77 | // delete [] grY; | |
78 | // delete [] grX; | |
79 | ||
80 | // | |
81 | } | |
82 | //_____________________________________________________________________________ | |
83 | ||
84 | AliT0Calibrator::AliT0Calibrator(const AliT0Calibrator &r): TNamed(), | |
85 | fChannelWidth(0), | |
86 | fWalk(0) | |
87 | ||
88 | { | |
89 | // | |
90 | // AliT0calibartor copy constructor | |
91 | // | |
92 | ||
93 | ((AliT0Calibrator &) r).Copy(*this); | |
94 | ||
95 | } | |
96 | ||
97 | //_____________________________________________________________________________ | |
98 | AliT0Calibrator &AliT0Calibrator::operator=(const AliT0Calibrator &r) | |
99 | { | |
100 | // | |
101 | // Assignment operator | |
102 | // | |
103 | ||
104 | if (this != &r) ((AliT0Calibrator &) r).Copy(*this); | |
105 | return *this; | |
106 | ||
107 | } | |
108 | ||
109 | ||
110 | ||
111 | //____________________________________________________________________ | |
112 | Int_t AliT0Calibrator::WalkCorrection(Int_t ipmt, Int_t qt, Int_t time, TString option) | |
113 | { | |
114 | //slewing correcion and equalizing channels | |
115 | ||
116 | Int_t walk=0; | |
117 | ||
118 | Int_t timeEq=0, timeWalk=0; | |
119 | // TGraph* fu1 = param ->GetWalk(ipmt); | |
120 | // TGraph* fu1 = param ->GetAmpLEDRec(ipmt); | |
121 | TGraph *fu1=(TGraph*) fWalk.At(ipmt); | |
122 | if(fu1 && fu1->GetN()>0) { | |
123 | walk=Int_t(fu1->Eval(Double_t(qt))); | |
124 | } | |
125 | if (option == "pdc") { | |
126 | timeWalk = time + Int_t(fMaxValue[ipmt]-walk) ; | |
127 | // timeEq= timeWalk - fTimeDelayCFD[ipmt]; | |
128 | timeEq= timeWalk - fTimeDelayCFD[ipmt]; //for the same as cosmic | |
129 | AliDebug(10,Form(" ipmt %i time before %i timeWalk %i , qt %i timeEq %i \n ", | |
130 | ipmt, time,timeWalk, qt, timeEq )); | |
131 | } | |
132 | if (option == "cosmic") { | |
133 | timeWalk = time + Int_t((fMaxValue[ipmt]-walk)) ; | |
134 | if(walk <1 ) timeWalk = time ; | |
135 | timeEq= timeWalk - fTimeDelayCFD[ipmt]; | |
136 | AliDebug(10,Form(" ipmt %i time before %i timeWalk %i , qt %i timeEq %i \n ", | |
137 | ipmt, time,timeWalk, qt, timeEq )); | |
138 | } | |
139 | ||
140 | return timeEq; | |
141 | } | |
142 | ||
143 | ||
144 |