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456396b8 | 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 | // TRD clusterCorrection // | |
15ed8ba1 | 19 | // Author: // |
20 | // Marian Ivanov (marian.ivanov@cern.ch) // | |
456396b8 | 21 | // // |
22 | /////////////////////////////////////////////////////////////////////////////// | |
23 | ||
24 | #include "AliTRDclusterCorrection.h" | |
25 | #include "TFile.h" | |
26 | ||
27 | ClassImp(AliTRDclusterCorrection) | |
28 | ||
15ed8ba1 | 29 | AliTRDclusterCorrection *gAliTRDclusterCorrection = 0; |
456396b8 | 30 | |
6528d411 | 31 | //_____________________________________________________________________________ |
456396b8 | 32 | AliTRDclusterCorrection::AliTRDclusterCorrection() |
15ed8ba1 | 33 | :TObject() |
34 | ,fOffsetAngle(0) | |
456396b8 | 35 | { |
36 | // | |
15ed8ba1 | 37 | // Default constructor for AliTRDclusterCorrection |
456396b8 | 38 | // |
6528d411 | 39 | |
15ed8ba1 | 40 | for (Int_t iplane = 0; iplane < 6; iplane++) { |
41 | for (Int_t itime = 0; itime < 30; itime++) { | |
42 | for (Int_t iangle = 0; iangle < 20; iangle++) { | |
43 | fCorrections[iplane][itime][iangle][0] = 0.0; | |
44 | fCorrections[iplane][itime][iangle][1] = 0.0; | |
456396b8 | 45 | } |
6528d411 | 46 | } |
47 | } | |
48 | ||
15ed8ba1 | 49 | } |
50 | ||
51 | //_____________________________________________________________________________ | |
52 | AliTRDclusterCorrection::~AliTRDclusterCorrection() | |
53 | { | |
54 | // | |
55 | // Destructor | |
56 | // | |
456396b8 | 57 | |
6528d411 | 58 | } |
456396b8 | 59 | |
6528d411 | 60 | //_____________________________________________________________________________ |
15ed8ba1 | 61 | void AliTRDclusterCorrection::SetCorrection(Int_t plane,Int_t timebin, Float_t angle |
62 | , Float_t value, Float_t sigma) | |
456396b8 | 63 | { |
6528d411 | 64 | // |
65 | // Set the correction factors | |
66 | // | |
67 | ||
15ed8ba1 | 68 | Int_t iangle = Int_t((angle - fOffsetAngle + 1.0) * 10.0 + 0.5); |
69 | if (iangle < 0) return; | |
70 | if (iangle >= 20) return; | |
456396b8 | 71 | fCorrections[plane][timebin][iangle][0] = value; |
72 | fCorrections[plane][timebin][iangle][1] = sigma; | |
6528d411 | 73 | |
456396b8 | 74 | } |
75 | ||
6528d411 | 76 | //_____________________________________________________________________________ |
77 | Float_t AliTRDclusterCorrection::GetCorrection(Int_t plane, Int_t timebin, Float_t angle) const | |
456396b8 | 78 | { |
6528d411 | 79 | // |
80 | // Get the correction factors | |
81 | // | |
82 | ||
15ed8ba1 | 83 | Int_t iangle = Int_t((angle - fOffsetAngle + 1.0) * 10.0 + 0.5); |
84 | if (iangle < 0) return 0.0; | |
85 | if (iangle >= 20) return 0.0; | |
86 | ||
456396b8 | 87 | return fCorrections[plane][timebin][iangle][0]; |
6528d411 | 88 | |
456396b8 | 89 | } |
90 | ||
6528d411 | 91 | //_____________________________________________________________________________ |
92 | Float_t AliTRDclusterCorrection::GetSigma(Int_t plane, Int_t timebin, Float_t angle) const | |
456396b8 | 93 | { |
6528d411 | 94 | // |
95 | // Returns the sigma | |
96 | // | |
97 | ||
15ed8ba1 | 98 | Int_t iangle = Int_t((angle - fOffsetAngle + 1.0) * 10.0 + 0.5); |
99 | if (iangle < 0) return 1.0; | |
100 | if (iangle >= 20) return 1.0; | |
101 | ||
456396b8 | 102 | return fCorrections[plane][timebin][iangle][1]; |
456396b8 | 103 | |
6528d411 | 104 | } |
456396b8 | 105 | |
6528d411 | 106 | //_____________________________________________________________________________ |
15ed8ba1 | 107 | AliTRDclusterCorrection *AliTRDclusterCorrection::GetCorrection() |
456396b8 | 108 | { |
6528d411 | 109 | // |
15ed8ba1 | 110 | // Return an instance of AliTRDclusterCorrection and sets the global |
111 | // pointer gAliTRDclusterCorrection (Is this needed somewhere ????) | |
6528d411 | 112 | // |
113 | ||
15ed8ba1 | 114 | if (gAliTRDclusterCorrection != 0) { |
115 | return gAliTRDclusterCorrection; | |
116 | } | |
117 | ||
118 | TFile *fileIn = new TFile("$ALICE_ROOT/TRD/TRDcorrection.root"); | |
119 | if (!fileIn){ | |
6528d411 | 120 | gAliTRDclusterCorrection = new AliTRDclusterCorrection(); |
121 | return gAliTRDclusterCorrection; | |
456396b8 | 122 | } |
15ed8ba1 | 123 | |
124 | gAliTRDclusterCorrection = (AliTRDclusterCorrection *) | |
125 | fileIn->Get("TRDcorrection"); | |
126 | if (gAliTRDclusterCorrection == 0) { | |
6528d411 | 127 | gAliTRDclusterCorrection = new AliTRDclusterCorrection(); |
15ed8ba1 | 128 | } |
6528d411 | 129 | |
130 | return gAliTRDclusterCorrection; | |
456396b8 | 131 | |
132 | } |