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bf21645b | 1 | /* $Id$ */ |
2 | ||
3 | // ------------------------------------------------------ | |
4 | // | |
5 | // Class to handle 3d-corrections. | |
6 | // | |
7 | // ------------------------------------------------------ | |
8 | // | |
9 | ||
10 | #include <TH3F.h> | |
f10a1859 | 11 | #include <TH1F.h> |
bf21645b | 12 | |
13 | #include <AliLog.h> | |
14 | ||
15 | #include "AliCorrectionMatrix3D.h" | |
847489f7 | 16 | #include "AliPWG0Helper.h" |
bf21645b | 17 | |
18 | //____________________________________________________________________ | |
19 | ClassImp(AliCorrectionMatrix3D) | |
20 | ||
21 | //____________________________________________________________________ | |
22 | AliCorrectionMatrix3D::AliCorrectionMatrix3D() : | |
23 | AliCorrectionMatrix() | |
24 | { | |
25 | // default constructor | |
26 | } | |
27 | ||
28 | //____________________________________________________________________ | |
29 | AliCorrectionMatrix3D::AliCorrectionMatrix3D(const AliCorrectionMatrix3D& c) | |
30 | : AliCorrectionMatrix(c) | |
31 | { | |
32 | // copy constructor | |
33 | ((AliCorrectionMatrix3D &)c).Copy(*this); | |
34 | } | |
35 | ||
61385583 | 36 | //____________________________________________________________________ |
37 | AliCorrectionMatrix3D &AliCorrectionMatrix3D::operator=(const AliCorrectionMatrix3D &c) | |
38 | { | |
39 | // assigment operator | |
40 | ||
41 | if (this != &c) | |
42 | ((AliCorrectionMatrix3D &) c).Copy(*this); | |
43 | ||
44 | return *this; | |
45 | } | |
46 | ||
bf21645b | 47 | //____________________________________________________________________ |
48 | AliCorrectionMatrix3D::AliCorrectionMatrix3D(const Char_t* name, const Char_t* title, | |
49 | Int_t nBinX, Float_t Xmin, Float_t Xmax, | |
50 | Int_t nBinY, Float_t Ymin, Float_t Ymax, | |
51 | Int_t nBinZ, Float_t Zmin, Float_t Zmax) | |
52 | : AliCorrectionMatrix(name, title) | |
53 | { | |
54 | // | |
55 | // constructor | |
56 | // | |
57 | ||
58 | fhMeas = new TH3F(Form("meas_%s",name), Form("meas_%s",title), nBinX, Xmin, Xmax, nBinY, Ymin, Ymax, nBinZ, Zmin, Zmax); | |
59 | fhGene = new TH3F(Form("gene_%s",name), Form("gene_%s",title), nBinX, Xmin, Xmax, nBinY, Ymin, Ymax, nBinZ, Zmin, Zmax); | |
60 | fhCorr = new TH3F(Form("corr_%s",name), Form("corr_%s",title), nBinX, Xmin, Xmax, nBinY, Ymin, Ymax, nBinZ, Zmin, Zmax); | |
61 | ||
62 | fhMeas->Sumw2(); | |
63 | fhGene->Sumw2(); | |
64 | fhCorr->Sumw2(); | |
65 | } | |
66 | ||
1afae8ff | 67 | AliCorrectionMatrix3D::AliCorrectionMatrix3D(const Char_t* name, const Char_t* title, |
68 | Int_t nBinX, Float_t Xmin, Float_t Xmax, | |
69 | Int_t nBinY, Float_t Ymin, Float_t Ymax, | |
70 | Int_t nBinZ, const Float_t* zbins) | |
71 | : AliCorrectionMatrix(name, title) | |
72 | { | |
73 | // constructor with variable bin sizes | |
74 | ||
75 | Float_t* binLimitsX = new Float_t[nBinX+1]; | |
76 | for (Int_t i=0; i<=nBinX; ++i) | |
77 | binLimitsX[i] = Xmin + (Xmax - Xmin) / nBinX * i; | |
78 | ||
79 | Float_t* binLimitsY = new Float_t[nBinY+1]; | |
80 | for (Int_t i=0; i<=nBinY; ++i) | |
81 | binLimitsY[i] = Ymin + (Ymax - Ymin) / nBinY * i; | |
82 | ||
83 | fhMeas = new TH3F(Form("meas_%s",name), Form("meas_%s",title), nBinX, binLimitsX, nBinY, binLimitsY, nBinZ, zbins); | |
84 | fhGene = new TH3F(Form("gene_%s",name), Form("gene_%s",title), nBinX, binLimitsX, nBinY, binLimitsY, nBinZ, zbins); | |
85 | fhCorr = new TH3F(Form("corr_%s",name), Form("corr_%s",title), nBinX, binLimitsX, nBinY, binLimitsY, nBinZ, zbins); | |
86 | ||
87 | delete[] binLimitsX; | |
88 | delete[] binLimitsY; | |
89 | ||
90 | fhMeas->Sumw2(); | |
91 | fhGene->Sumw2(); | |
92 | fhCorr->Sumw2(); | |
93 | } | |
94 | ||
bf21645b | 95 | //____________________________________________________________________ |
96 | AliCorrectionMatrix3D::~AliCorrectionMatrix3D() | |
97 | { | |
98 | // | |
99 | // destructor | |
100 | // | |
101 | ||
102 | // histograms already deleted in base class | |
103 | } | |
104 | ||
105 | //____________________________________________________________________ | |
106 | TH3F* AliCorrectionMatrix3D::GetGeneratedHistogram() | |
107 | { | |
108 | // return generated histogram casted to correct type | |
109 | return dynamic_cast<TH3F*> (fhGene); | |
110 | } | |
111 | ||
112 | //____________________________________________________________________ | |
113 | TH3F* AliCorrectionMatrix3D::GetMeasuredHistogram() | |
114 | { | |
115 | // return measured histogram casted to correct type | |
116 | return dynamic_cast<TH3F*> (fhMeas); | |
117 | } | |
118 | ||
119 | //____________________________________________________________________ | |
120 | TH3F* AliCorrectionMatrix3D::GetCorrectionHistogram() | |
121 | { | |
122 | // return correction histogram casted to correct type | |
123 | return dynamic_cast<TH3F*> (fhCorr); | |
124 | } | |
125 | ||
126 | //____________________________________________________________________ | |
127 | void AliCorrectionMatrix3D::FillMeas(Float_t ax, Float_t ay, Float_t az) | |
128 | { | |
129 | // add value to measured histogram | |
130 | GetMeasuredHistogram()->Fill(ax, ay, az); | |
131 | } | |
132 | ||
133 | //____________________________________________________________________ | |
134 | void AliCorrectionMatrix3D::FillGene(Float_t ax, Float_t ay, Float_t az) | |
135 | { | |
136 | // add value to generated histogram | |
137 | GetGeneratedHistogram()->Fill(ax, ay, az); | |
138 | } | |
139 | ||
140 | //____________________________________________________________________ | |
141 | Float_t AliCorrectionMatrix3D::GetCorrection(Float_t ax, Float_t ay, Float_t az) const | |
142 | { | |
143 | // returns a value of the correction map | |
144 | return fhCorr->GetBinContent(fhCorr->FindBin(ax, ay, az)); | |
145 | } | |
146 | ||
147 | //____________________________________________________________________ | |
148 | //void AliCorrectionMatrix3D::RemoveEdges(Float_t cut, Int_t nBinsXedge, Int_t nBinsYedge, Int_t nBinsZedge) | |
149 | void AliCorrectionMatrix3D::RemoveEdges(Float_t, Int_t, Int_t, Int_t) | |
150 | { | |
151 | // so what do we do here... | |
152 | } | |
153 | ||
154 | //____________________________________________________________________ | |
155 | void AliCorrectionMatrix3D::SaveHistograms() | |
156 | { | |
157 | // | |
158 | // saves the histograms | |
159 | // | |
160 | ||
161 | AliCorrectionMatrix::SaveHistograms(); | |
162 | ||
92d2d8ad | 163 | if (GetGeneratedHistogram() && GetMeasuredHistogram()) |
164 | AliPWG0Helper::CreateDividedProjections(GetGeneratedHistogram(), GetMeasuredHistogram()); | |
bf21645b | 165 | } |
f10a1859 | 166 | |
167 | //____________________________________________________________________ | |
168 | Int_t AliCorrectionMatrix3D::CheckEmptyBins(Float_t xmin, Float_t xmax, Float_t ymin, Float_t ymax, Float_t zmin, Float_t zmax, Bool_t quiet) | |
169 | { | |
170 | // | |
171 | // counts the number of empty Bins in a given region | |
172 | // | |
173 | ||
174 | TH3F* hist = GetGeneratedHistogram(); | |
175 | if (!hist) | |
176 | return -1; | |
177 | ||
178 | Int_t emptyBins = 0; | |
179 | for (Int_t x=hist->GetXaxis()->FindBin(xmin); x<=hist->GetXaxis()->FindBin(xmax); ++x) | |
180 | for (Int_t y=hist->GetYaxis()->FindBin(ymin); y<=hist->GetYaxis()->FindBin(ymax); ++y) | |
181 | for (Int_t z=hist->GetZaxis()->FindBin(zmin); z<=hist->GetZaxis()->FindBin(zmax); ++z) | |
182 | if (hist->GetBinContent(x, y, z) == 0) | |
183 | { | |
184 | if (!quiet) | |
185 | printf("Empty bin in %s at vtx = %f, eta = %f, pt = %f\n", GetName(), hist->GetXaxis()->GetBinCenter(x), hist->GetYaxis()->GetBinCenter(y), hist->GetZaxis()->GetBinCenter(z)); | |
186 | ++emptyBins; | |
187 | } | |
188 | ||
189 | return emptyBins; | |
190 | } | |
191 | ||
192 | //____________________________________________________________________ | |
193 | TH1F* AliCorrectionMatrix3D::PlotBinErrors(Float_t xmin, Float_t xmax, Float_t ymin, Float_t ymax, Float_t zmin, Float_t zmax) | |
194 | { | |
195 | // | |
196 | // makes a 1d plots of the relative bin errors | |
197 | // | |
198 | ||
199 | TH3F* hist = GetCorrectionHistogram(); | |
200 | if (!hist) | |
201 | return 0; | |
202 | ||
203 | TH1F* target = new TH1F("relerrors", "relerrors", 100, 0, 10); | |
204 | ||
205 | for (Int_t x=hist->GetXaxis()->FindBin(xmin); x<=hist->GetXaxis()->FindBin(xmax); ++x) | |
206 | for (Int_t y=hist->GetYaxis()->FindBin(ymin); y<=hist->GetYaxis()->FindBin(ymax); ++y) | |
207 | for (Int_t z=hist->GetZaxis()->FindBin(zmin); z<=hist->GetZaxis()->FindBin(zmax); ++z) | |
208 | if (hist->GetBinContent(x, y, z) != 0) | |
209 | target->Fill(100 * hist->GetBinError(x, y, z) / hist->GetBinContent(x, y, z)); | |
210 | ||
211 | return target; | |
212 | } | |
213 |