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1 | /* $Id$ */ | |
2 | ||
3 | // ------------------------------------------------------ | |
4 | // | |
5 | // Class to handle 3d-corrections. | |
6 | // | |
7 | // ------------------------------------------------------ | |
8 | // | |
9 | ||
10 | #include <TH3F.h> | |
11 | ||
12 | #include <AliLog.h> | |
13 | ||
14 | #include "AliCorrectionMatrix3D.h" | |
15 | #include "AliPWG0Helper.h" | |
16 | ||
17 | //____________________________________________________________________ | |
18 | ClassImp(AliCorrectionMatrix3D) | |
19 | ||
20 | //____________________________________________________________________ | |
21 | AliCorrectionMatrix3D::AliCorrectionMatrix3D() : | |
22 | AliCorrectionMatrix() | |
23 | { | |
24 | // default constructor | |
25 | } | |
26 | ||
27 | //____________________________________________________________________ | |
28 | AliCorrectionMatrix3D::AliCorrectionMatrix3D(const AliCorrectionMatrix3D& c) | |
29 | : AliCorrectionMatrix(c) | |
30 | { | |
31 | // copy constructor | |
32 | ((AliCorrectionMatrix3D &)c).Copy(*this); | |
33 | } | |
34 | ||
35 | //____________________________________________________________________ | |
36 | AliCorrectionMatrix3D::AliCorrectionMatrix3D(const Char_t* name, const Char_t* title, | |
37 | Int_t nBinX, Float_t Xmin, Float_t Xmax, | |
38 | Int_t nBinY, Float_t Ymin, Float_t Ymax, | |
39 | Int_t nBinZ, Float_t Zmin, Float_t Zmax) | |
40 | : AliCorrectionMatrix(name, title) | |
41 | { | |
42 | // | |
43 | // constructor | |
44 | // | |
45 | ||
46 | fhMeas = new TH3F(Form("meas_%s",name), Form("meas_%s",title), nBinX, Xmin, Xmax, nBinY, Ymin, Ymax, nBinZ, Zmin, Zmax); | |
47 | fhGene = new TH3F(Form("gene_%s",name), Form("gene_%s",title), nBinX, Xmin, Xmax, nBinY, Ymin, Ymax, nBinZ, Zmin, Zmax); | |
48 | fhCorr = new TH3F(Form("corr_%s",name), Form("corr_%s",title), nBinX, Xmin, Xmax, nBinY, Ymin, Ymax, nBinZ, Zmin, Zmax); | |
49 | ||
50 | fhMeas->Sumw2(); | |
51 | fhGene->Sumw2(); | |
52 | fhCorr->Sumw2(); | |
53 | } | |
54 | ||
55 | AliCorrectionMatrix3D::AliCorrectionMatrix3D(const Char_t* name, const Char_t* title, | |
56 | Int_t nBinX, Float_t Xmin, Float_t Xmax, | |
57 | Int_t nBinY, Float_t Ymin, Float_t Ymax, | |
58 | Int_t nBinZ, const Float_t* zbins) | |
59 | : AliCorrectionMatrix(name, title) | |
60 | { | |
61 | // constructor with variable bin sizes | |
62 | ||
63 | Float_t* binLimitsX = new Float_t[nBinX+1]; | |
64 | for (Int_t i=0; i<=nBinX; ++i) | |
65 | binLimitsX[i] = Xmin + (Xmax - Xmin) / nBinX * i; | |
66 | ||
67 | Float_t* binLimitsY = new Float_t[nBinY+1]; | |
68 | for (Int_t i=0; i<=nBinY; ++i) | |
69 | binLimitsY[i] = Ymin + (Ymax - Ymin) / nBinY * i; | |
70 | ||
71 | fhMeas = new TH3F(Form("meas_%s",name), Form("meas_%s",title), nBinX, binLimitsX, nBinY, binLimitsY, nBinZ, zbins); | |
72 | fhGene = new TH3F(Form("gene_%s",name), Form("gene_%s",title), nBinX, binLimitsX, nBinY, binLimitsY, nBinZ, zbins); | |
73 | fhCorr = new TH3F(Form("corr_%s",name), Form("corr_%s",title), nBinX, binLimitsX, nBinY, binLimitsY, nBinZ, zbins); | |
74 | ||
75 | delete[] binLimitsX; | |
76 | delete[] binLimitsY; | |
77 | ||
78 | fhMeas->Sumw2(); | |
79 | fhGene->Sumw2(); | |
80 | fhCorr->Sumw2(); | |
81 | } | |
82 | ||
83 | //____________________________________________________________________ | |
84 | AliCorrectionMatrix3D::~AliCorrectionMatrix3D() | |
85 | { | |
86 | // | |
87 | // destructor | |
88 | // | |
89 | ||
90 | // histograms already deleted in base class | |
91 | } | |
92 | ||
93 | //____________________________________________________________________ | |
94 | TH3F* AliCorrectionMatrix3D::GetGeneratedHistogram() | |
95 | { | |
96 | // return generated histogram casted to correct type | |
97 | return dynamic_cast<TH3F*> (fhGene); | |
98 | } | |
99 | ||
100 | //____________________________________________________________________ | |
101 | TH3F* AliCorrectionMatrix3D::GetMeasuredHistogram() | |
102 | { | |
103 | // return measured histogram casted to correct type | |
104 | return dynamic_cast<TH3F*> (fhMeas); | |
105 | } | |
106 | ||
107 | //____________________________________________________________________ | |
108 | TH3F* AliCorrectionMatrix3D::GetCorrectionHistogram() | |
109 | { | |
110 | // return correction histogram casted to correct type | |
111 | return dynamic_cast<TH3F*> (fhCorr); | |
112 | } | |
113 | ||
114 | //____________________________________________________________________ | |
115 | void AliCorrectionMatrix3D::FillMeas(Float_t ax, Float_t ay, Float_t az) | |
116 | { | |
117 | // add value to measured histogram | |
118 | GetMeasuredHistogram()->Fill(ax, ay, az); | |
119 | } | |
120 | ||
121 | //____________________________________________________________________ | |
122 | void AliCorrectionMatrix3D::FillGene(Float_t ax, Float_t ay, Float_t az) | |
123 | { | |
124 | // add value to generated histogram | |
125 | GetGeneratedHistogram()->Fill(ax, ay, az); | |
126 | } | |
127 | ||
128 | //____________________________________________________________________ | |
129 | Float_t AliCorrectionMatrix3D::GetCorrection(Float_t ax, Float_t ay, Float_t az) const | |
130 | { | |
131 | // returns a value of the correction map | |
132 | return fhCorr->GetBinContent(fhCorr->FindBin(ax, ay, az)); | |
133 | } | |
134 | ||
135 | //____________________________________________________________________ | |
136 | //void AliCorrectionMatrix3D::RemoveEdges(Float_t cut, Int_t nBinsXedge, Int_t nBinsYedge, Int_t nBinsZedge) | |
137 | void AliCorrectionMatrix3D::RemoveEdges(Float_t, Int_t, Int_t, Int_t) | |
138 | { | |
139 | // so what do we do here... | |
140 | } | |
141 | ||
142 | //____________________________________________________________________ | |
143 | void AliCorrectionMatrix3D::SaveHistograms() | |
144 | { | |
145 | // | |
146 | // saves the histograms | |
147 | // | |
148 | ||
149 | AliCorrectionMatrix::SaveHistograms(); | |
150 | ||
151 | if (GetGeneratedHistogram() && GetMeasuredHistogram()) | |
152 | AliPWG0Helper::CreateDividedProjections(GetGeneratedHistogram(), GetMeasuredHistogram()); | |
153 | } |