3 // Author: Anders Vestbo <mailto:vestbo@fi.uib.no>
4 //*-- Copyright © ASV
7 #include "AliL3Logging.h"
8 #include "AliL3Histogram1D.h"
10 //_____________________________________________________________
13 // 1D histogram class.
15 ClassImp(AliL3Histogram1D)
17 AliL3Histogram1D::AliL3Histogram1D()
33 AliL3Histogram1D::AliL3Histogram1D(Char_t *name,Char_t *id,Int_t nxbin,Double_t xmin,Double_t xmax)
48 fContent = new Double_t[fNcells];
52 AliL3Histogram1D::~AliL3Histogram1D()
64 void AliL3Histogram1D::Reset()
66 bzero(fContent,fNcells*sizeof(Double_t));
70 void AliL3Histogram1D::Fill(Double_t x,Int_t weight)
72 Int_t bin = FindBin(x);
73 AddBinContent(bin,weight);
77 Int_t AliL3Histogram1D::FindBin(Double_t x)
79 if(x < fXmin || x > fXmax)
82 return 1 + (Int_t)(fNbins*(x-fXmin)/(fXmax-fXmin));
86 Int_t AliL3Histogram1D::GetMaximumBin()
90 for(Int_t i=0; i<fNcells; i++)
92 if(fContent[i] > max_value)
94 max_value=fContent[i];
101 Double_t AliL3Histogram1D::GetBinContent(Int_t bin)
105 LOG(AliL3Log::kError,"AliL3Histogram::GetBinContent","array")<<AliL3Log::kDec<<
106 "bin out of range "<<bin<<ENDLOG;
110 if(fContent[bin] < fThreshold)
112 return fContent[bin];
116 void AliL3Histogram1D::SetBinContent(Int_t bin,Int_t value)
121 LOG(AliL3Log::kError,"AliL3Histogram::SetBinContent","array")<<AliL3Log::kDec<<
122 "bin out of range "<<bin<<ENDLOG;
131 void AliL3Histogram1D::AddBinContent(Int_t bin,Int_t weight)
133 if(bin < 0 || bin > fNcells)
135 LOG(AliL3Log::kError,"AliL3Histogram::AddBinContent","array")<<AliL3Log::kDec<<
136 "bin-value out of range "<<bin<<ENDLOG;
142 fContent[bin] += weight;
145 Double_t AliL3Histogram1D::GetBinCenter(Int_t bin)
148 Double_t binwidth = (fXmax - fXmin) / fNbins;
149 return fXmin + (bin-1) * binwidth + 0.5*binwidth;
154 void AliL3Histogram1D::Draw(Char_t *option)
156 fRootHisto = new TH1F(fName,"",fNbins,fXmin,fXmax);
157 for(Int_t bin=0; bin<fNcells; bin++)
158 fRootHisto->AddBinContent(bin,GetBinContent(bin));
160 fRootHisto->Draw(option);