3 // ------------------------------------------------------
5 // Class to handle 3d-corrections.
7 // ------------------------------------------------------
15 #include "AliCorrectionMatrix3D.h"
16 #include "AliPWG0Helper.h"
18 //____________________________________________________________________
19 ClassImp(AliCorrectionMatrix3D)
21 //____________________________________________________________________
22 AliCorrectionMatrix3D::AliCorrectionMatrix3D() :
25 // default constructor
28 //____________________________________________________________________
29 AliCorrectionMatrix3D::AliCorrectionMatrix3D(const AliCorrectionMatrix3D& c)
30 : AliCorrectionMatrix(c)
33 ((AliCorrectionMatrix3D &)c).Copy(*this);
36 //____________________________________________________________________
37 AliCorrectionMatrix3D &AliCorrectionMatrix3D::operator=(const AliCorrectionMatrix3D &c)
42 ((AliCorrectionMatrix3D &) c).Copy(*this);
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)
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);
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)
73 // constructor with variable bin sizes
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;
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;
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);
95 //____________________________________________________________________
96 AliCorrectionMatrix3D::~AliCorrectionMatrix3D()
102 // histograms already deleted in base class
105 //____________________________________________________________________
106 TH3F* AliCorrectionMatrix3D::GetGeneratedHistogram()
108 // return generated histogram casted to correct type
109 return dynamic_cast<TH3F*> (fhGene);
112 //____________________________________________________________________
113 TH3F* AliCorrectionMatrix3D::GetMeasuredHistogram()
115 // return measured histogram casted to correct type
116 return dynamic_cast<TH3F*> (fhMeas);
119 //____________________________________________________________________
120 TH3F* AliCorrectionMatrix3D::GetCorrectionHistogram()
122 // return correction histogram casted to correct type
123 return dynamic_cast<TH3F*> (fhCorr);
126 //____________________________________________________________________
127 void AliCorrectionMatrix3D::FillMeas(Float_t ax, Float_t ay, Float_t az)
129 // add value to measured histogram
130 GetMeasuredHistogram()->Fill(ax, ay, az);
133 //____________________________________________________________________
134 void AliCorrectionMatrix3D::FillGene(Float_t ax, Float_t ay, Float_t az)
136 // add value to generated histogram
137 GetGeneratedHistogram()->Fill(ax, ay, az);
140 //____________________________________________________________________
141 Float_t AliCorrectionMatrix3D::GetCorrection(Float_t ax, Float_t ay, Float_t az) const
143 // returns a value of the correction map
144 return fhCorr->GetBinContent(fhCorr->FindBin(ax, ay, az));
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)
151 // so what do we do here...
154 //____________________________________________________________________
155 void AliCorrectionMatrix3D::SaveHistograms()
158 // saves the histograms
161 AliCorrectionMatrix::SaveHistograms();
163 if (GetGeneratedHistogram() && GetMeasuredHistogram())
164 AliPWG0Helper::CreateDividedProjections(GetGeneratedHistogram(), GetMeasuredHistogram());
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)
171 // counts the number of empty Bins in a given region
174 TH3F* hist = GetGeneratedHistogram();
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)
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));
192 //____________________________________________________________________
193 TH1F* AliCorrectionMatrix3D::PlotBinErrors(Float_t xmin, Float_t xmax, Float_t ymin, Float_t ymax, Float_t zmin, Float_t zmax)
196 // makes a 1d plots of the relative bin errors
199 TH3F* hist = GetCorrectionHistogram();
203 TH1F* target = new TH1F("relerrors", "relerrors", 100, 0, 10);
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));