doc/v618/th2polyHoneycomb_8C.html

void th2polyHoneycomb(){

   TH2Poly *hc = new TH2Poly();

   hc->SetTitle("Honeycomb example");

   hc->Honeycomb(0,0,.1,25,25);


   TRandom ran;

   for (int i = 0; i<30000; i++) {

      hc->Fill(ran.Gaus(2.,1), ran.Gaus(2.,1));

   }


   hc->Draw("colz");

}

TH1::SetTitle
virtual void SetTitle(const char *title)
See GetStatOverflows for more information.
Definition: TH1.cxx:6309

TH1::Draw
virtual void Draw(Option_t *option="")
Draw this histogram with options.
Definition: TH1.cxx:2981

TH2Poly
2D Histogram with Polygonal Bins
Definition: TH2Poly.h:66

TH2Poly::Honeycomb
void Honeycomb(Double_t xstart, Double_t ystart, Double_t a, Int_t k, Int_t s)
Bins the histogram using a honeycomb structure.
Definition: TH2Poly.cxx:961

TH2Poly::Fill
virtual Int_t Fill(Double_t x, Double_t y)
Increment the bin containing (x,y) by 1.
Definition: TH2Poly.cxx:616

TRandom
This is the base class for the ROOT Random number generators.
Definition: TRandom.h:27

TRandom::Gaus
virtual Double_t Gaus(Double_t mean=0, Double_t sigma=1)
Samples a random number from the standard Normal (Gaussian) Distribution with the given mean and sigm...
Definition: TRandom.cxx:263