HMPIDTestShuttle.C renamed as Hshuttle.C
[u/mrichter/AliRoot.git] / PWG0 / AliCorrectionMatrix3D.cxx
CommitLineData
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//____________________________________________________________________
19ClassImp(AliCorrectionMatrix3D)
20
21//____________________________________________________________________
22AliCorrectionMatrix3D::AliCorrectionMatrix3D() :
23 AliCorrectionMatrix()
24{
25 // default constructor
26}
27
28//____________________________________________________________________
29AliCorrectionMatrix3D::AliCorrectionMatrix3D(const AliCorrectionMatrix3D& c)
30 : AliCorrectionMatrix(c)
31{
32 // copy constructor
33 ((AliCorrectionMatrix3D &)c).Copy(*this);
34}
35
61385583 36//____________________________________________________________________
37AliCorrectionMatrix3D &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//____________________________________________________________________
48AliCorrectionMatrix3D::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 67AliCorrectionMatrix3D::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//____________________________________________________________________
96AliCorrectionMatrix3D::~AliCorrectionMatrix3D()
97{
98 //
99 // destructor
100 //
101
102 // histograms already deleted in base class
103}
104
105//____________________________________________________________________
106TH3F* AliCorrectionMatrix3D::GetGeneratedHistogram()
107{
108 // return generated histogram casted to correct type
109 return dynamic_cast<TH3F*> (fhGene);
110}
111
112//____________________________________________________________________
113TH3F* AliCorrectionMatrix3D::GetMeasuredHistogram()
114{
115 // return measured histogram casted to correct type
116 return dynamic_cast<TH3F*> (fhMeas);
117}
118
119//____________________________________________________________________
120TH3F* AliCorrectionMatrix3D::GetCorrectionHistogram()
121{
122 // return correction histogram casted to correct type
123 return dynamic_cast<TH3F*> (fhCorr);
124}
125
126//____________________________________________________________________
127void 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//____________________________________________________________________
134void 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//____________________________________________________________________
141Float_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)
149void AliCorrectionMatrix3D::RemoveEdges(Float_t, Int_t, Int_t, Int_t)
150{
151 // so what do we do here...
152}
153
154//____________________________________________________________________
155void 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//____________________________________________________________________
168Int_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//____________________________________________________________________
193TH1F* 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