3 // Author: Anders Vestbo <mailto:vestbo@fi.uib.no>
4 //*-- Copyright © ALICE HLT Group
7 #include "AliL3StandardIncludes.h"
9 #include "AliL3Logging.h"
10 #include "AliL3Histogram1D.h"
16 //_____________________________________________________________
19 // 1D histogram class.
21 ClassImp(AliL3Histogram1D)
23 AliL3Histogram1D::AliL3Histogram1D()
38 AliL3Histogram1D::AliL3Histogram1D(Char_t *name,Char_t *id,Int_t nxbin,Double_t xmin,Double_t xmax)
53 fContent = new Double_t[fNcells];
57 AliL3Histogram1D::~AliL3Histogram1D()
69 void AliL3Histogram1D::Reset()
71 bzero(fContent,fNcells*sizeof(Double_t));
75 void AliL3Histogram1D::Fill(Double_t x,Int_t weight)
77 Int_t bin = FindBin(x);
78 AddBinContent(bin,weight);
82 Int_t AliL3Histogram1D::FindBin(Double_t x)
84 if(x < fXmin || x > fXmax)
87 return 1 + (Int_t)(fNbins*(x-fXmin)/(fXmax-fXmin));
91 Int_t AliL3Histogram1D::GetMaximumBin()
95 for(Int_t i=0; i<fNcells; i++)
97 if(fContent[i] > max_value)
99 max_value=fContent[i];
106 Double_t AliL3Histogram1D::GetBinContent(Int_t bin)
110 LOG(AliL3Log::kError,"AliL3Histogram::GetBinContent","array")<<AliL3Log::kDec<<
111 "bin out of range "<<bin<<ENDLOG;
115 if(fContent[bin] < fThreshold)
117 return fContent[bin];
121 void AliL3Histogram1D::SetBinContent(Int_t bin,Int_t value)
126 LOG(AliL3Log::kError,"AliL3Histogram::SetBinContent","array")<<AliL3Log::kDec<<
127 "bin out of range "<<bin<<ENDLOG;
136 void AliL3Histogram1D::AddBinContent(Int_t bin,Int_t weight)
138 if(bin < 0 || bin > fNcells)
140 LOG(AliL3Log::kError,"AliL3Histogram::AddBinContent","array")<<AliL3Log::kDec<<
141 "bin-value out of range "<<bin<<ENDLOG;
147 fContent[bin] += weight;
150 Double_t AliL3Histogram1D::GetBinCenter(Int_t bin)
153 Double_t binwidth = (fXmax - fXmin) / fNbins;
154 return fXmin + (bin-1) * binwidth + 0.5*binwidth;
159 void AliL3Histogram1D::Draw(Char_t *option)
161 fRootHisto = new TH1F(fName,"",fNbins,fXmin,fXmax);
162 for(Int_t bin=0; bin<fNcells; bin++)
163 fRootHisto->AddBinContent(bin,GetBinContent(bin));
165 fRootHisto->Draw(option);