3 // Author: Anders Vestbo <mailto:vestbo@fi.uib.no>
4 //*-- Copyright © ASV
6 #include "AliL3StandardIncludes.h"
8 #include "AliL3Logging.h"
9 #include "AliL3Histogram1D.h"
15 //_____________________________________________________________
18 // 1D histogram class.
20 ClassImp(AliL3Histogram1D)
22 AliL3Histogram1D::AliL3Histogram1D()
37 AliL3Histogram1D::AliL3Histogram1D(Char_t *name,Char_t *id,Int_t nxbin,Double_t xmin,Double_t xmax)
52 fContent = new Double_t[fNcells];
56 AliL3Histogram1D::~AliL3Histogram1D()
68 void AliL3Histogram1D::Reset()
70 bzero(fContent,fNcells*sizeof(Double_t));
74 void AliL3Histogram1D::Fill(Double_t x,Int_t weight)
76 Int_t bin = FindBin(x);
77 AddBinContent(bin,weight);
81 Int_t AliL3Histogram1D::FindBin(Double_t x)
83 if(x < fXmin || x > fXmax)
86 return 1 + (Int_t)(fNbins*(x-fXmin)/(fXmax-fXmin));
90 Int_t AliL3Histogram1D::GetMaximumBin()
94 for(Int_t i=0; i<fNcells; i++)
96 if(fContent[i] > max_value)
98 max_value=fContent[i];
105 Double_t AliL3Histogram1D::GetBinContent(Int_t bin)
109 LOG(AliL3Log::kError,"AliL3Histogram::GetBinContent","array")<<AliL3Log::kDec<<
110 "bin out of range "<<bin<<ENDLOG;
114 if(fContent[bin] < fThreshold)
116 return fContent[bin];
120 void AliL3Histogram1D::SetBinContent(Int_t bin,Int_t value)
125 LOG(AliL3Log::kError,"AliL3Histogram::SetBinContent","array")<<AliL3Log::kDec<<
126 "bin out of range "<<bin<<ENDLOG;
135 void AliL3Histogram1D::AddBinContent(Int_t bin,Int_t weight)
137 if(bin < 0 || bin > fNcells)
139 LOG(AliL3Log::kError,"AliL3Histogram::AddBinContent","array")<<AliL3Log::kDec<<
140 "bin-value out of range "<<bin<<ENDLOG;
146 fContent[bin] += weight;
149 Double_t AliL3Histogram1D::GetBinCenter(Int_t bin)
152 Double_t binwidth = (fXmax - fXmin) / fNbins;
153 return fXmin + (bin-1) * binwidth + 0.5*binwidth;
158 void AliL3Histogram1D::Draw(Char_t *option)
160 fRootHisto = new TH1F(fName,"",fNbins,fXmin,fXmax);
161 for(Int_t bin=0; bin<fNcells; bin++)
162 fRootHisto->AddBinContent(bin,GetBinContent(bin));
164 fRootHisto->Draw(option);