3 // Author: Anders Vestbo <mailto:vestbo@fi.uib.no>
4 //*-- Copyright © ASV
6 #include "AliL3StandardIncludes.h"
7 #include "AliL3Logging.h"
8 #include "AliL3Histogram.h"
14 //_____________________________________________________________
19 ClassImp(AliL3Histogram)
21 AliL3Histogram::AliL3Histogram()
44 AliL3Histogram::AliL3Histogram(Char_t *name,Char_t *id,
45 Int_t nxbin,Double_t xmin,Double_t xmax,
46 Int_t nybin,Double_t ymin,Double_t ymax)
52 fNcells = (nxbin+2)*(nybin+2);
57 fBinwidthX = (fXmax - fXmin) / fNxbins;
58 fBinwidthY = (fYmax - fYmin) / fNybins;
70 fContent = new Int_t[fNcells];
74 AliL3Histogram::~AliL3Histogram()
85 void AliL3Histogram::Reset()
88 for(Int_t i=0; i<fNcells; i++) fContent[i] = 0;
93 void AliL3Histogram::Fill(Double_t x,Double_t y,Int_t weight)
95 Int_t bin = FindBin(x,y);
96 AddBinContent(bin,weight);
99 Int_t AliL3Histogram::FindBin(Double_t x,Double_t y)
101 Int_t xbin = FindXbin(x);
102 Int_t ybin = FindYbin(y);
104 return GetBin(xbin,ybin);
107 Int_t AliL3Histogram::FindXbin(Double_t x)
109 if(x < fXmin || x > fXmax)
112 return 1 + (Int_t)(fNxbins*(x-fXmin)/(fXmax-fXmin));
115 Int_t AliL3Histogram::FindYbin(Double_t y)
117 if(y < fYmin || y > fYmax)
120 return 1 + (Int_t)(fNybins*(y-fYmin)/(fYmax-fYmin));
123 Int_t AliL3Histogram::GetBin(Int_t xbin,Int_t ybin)
125 if(xbin < 0 || xbin > GetLastXbin())
127 LOG(AliL3Log::kError,"AliL3Histogram::GetBin","array")<<AliL3Log::kDec<<
128 "xbin out of range "<<xbin<<ENDLOG;
132 if(ybin < 0 || ybin > GetLastYbin())
134 LOG(AliL3Log::kError,"AliL3Histogram::Getbin","array")<<AliL3Log::kDec<<
135 "ybin out of range "<<xbin<<ENDLOG;
139 return xbin + ybin*(fNxbins+2);
142 Int_t AliL3Histogram::GetBinContent(Int_t bin)
146 LOG(AliL3Log::kError,"AliL3Histogram::GetBinContent","array")<<AliL3Log::kDec<<
147 "bin out of range "<<bin<<ENDLOG;
151 if(fContent[bin] < fThreshold)
153 return fContent[bin];
156 void AliL3Histogram::SetBinContent(Int_t xbin,Int_t ybin,Int_t value)
158 Int_t bin = GetBin(xbin,ybin);
161 SetBinContent(bin,value);
164 void AliL3Histogram::SetBinContent(Int_t bin,Int_t value)
169 LOG(AliL3Log::kError,"AliL3Histogram::SetBinContent","array")<<AliL3Log::kDec<<
170 "bin out of range "<<bin<<ENDLOG;
179 void AliL3Histogram::AddBinContent(Int_t xbin,Int_t ybin,Int_t weight)
181 Int_t bin = GetBin(xbin,ybin);
184 AddBinContent(bin,weight);
187 void AliL3Histogram::AddBinContent(Int_t bin,Int_t weight)
189 if(bin < 0 || bin > fNcells)
191 LOG(AliL3Log::kError,"AliL3Histogram::AddBinContent","array")<<AliL3Log::kDec<<
192 "bin-value out of range "<<bin<<ENDLOG;
198 fContent[bin] += weight;
201 void AliL3Histogram::Add(AliL3Histogram *h1,Double_t weight)
203 //Adding two histograms. Should be identical.
207 LOG(AliL3Log::kError,"AliL3Histogram::Add","Pointer")<<
208 "Attempting to add a non-existing histogram"<<ENDLOG;
212 if(h1->GetNbinsX()!=fNxbins || h1->GetNbinsY()!=fNybins)
214 LOG(AliL3Log::kError,"AliL3Histogram::Add","array")<<
215 "Mismatch in the number of bins "<<ENDLOG;
218 if(h1->GetFirstXbin()!=fFirstXbin || h1->GetLastXbin()!=fLastXbin ||
219 h1->GetFirstYbin()!=fFirstYbin || h1->GetLastYbin()!=fLastYbin)
221 LOG(AliL3Log::kError,"AliL3Histogram::Add","array")<<
222 "Mismatch in the bin numbering "<<ENDLOG;
226 for(Int_t bin=0; bin<fNcells; bin++)
227 fContent[bin] += h1->GetBinContent(bin);
229 fEntries += h1->GetNEntries();
232 Double_t AliL3Histogram::GetBinCenterX(Int_t xbin)
234 // return fXmin + (xbin-1) * fBinwidthX + 0.5*fBinwidthX;
235 return fXmin + (xbin-0.5) * fBinwidthX;
238 Double_t AliL3Histogram::GetBinCenterY(Int_t ybin)
240 // return fYmin + (ybin-1) * fBinwidthY + 0.5*fBinwidthY;
241 return fYmin + (ybin-0.5) * fBinwidthY;
244 void AliL3Histogram::Draw(Char_t *option)
249 for(Int_t bin=0; bin<fNcells; bin++)
251 fRootHisto->AddBinContent(bin,GetBinContent(bin));
254 fRootHisto->SetStats(kFALSE);
255 fRootHisto->Draw(option);
258 cerr<<"AliL3Histogram::Draw : You need to compile with ROOT in order to draw histogram"<<endl;
262 void AliL3Histogram::CreateRootHisto()
265 fRootHisto = new TH2F(fName,"",fNxbins,fXmin,fXmax,fNybins,fYmin,fYmax);
268 cerr<<"AliL3Histogram::CreateRootHisto : You need to compile with ROOT in order to create ROOT histogram"<<endl;