doc/hackathon/hist038__TH2Poly__honeycomb_8C.html

void hist038_TH2Poly_honeycomb()

{

   TCanvas *C = new TCanvas("C", "C", 1200, 600);

   C->Divide(2, 1);


   TH2Poly *hc1 = new TH2Poly();

   hc1->Honeycomb(0, 0, .1, 5, 5);

   hc1->SetTitle("Option V (default)");

   hc1->SetStats(0);

   hc1->Fill(.1, .1, 15.);

   hc1->Fill(.4, .4, 10.);

   hc1->Fill(.5, .5, 20.);


   TH2Poly *hc2 = new TH2Poly();

   hc2->Honeycomb(0, 0, .1, 5, 5, "h");

   hc2->SetTitle("Option H");

   hc2->SetStats(0);

   hc2->Fill(.1, .1, 15.);

   hc2->Fill(.4, .4, 10.);

   hc2->Fill(.5, .5, 20.);


   C->cd(1)->SetGrid();

   hc1->Draw("colz L");

   C->cd(2)->SetGrid();

   hc2->Draw("colz L");

}

TCanvas
The Canvas class.
Definition TCanvas.h:23

TH1::SetTitle
void SetTitle(const char *title) override
Change/set the title.
Definition TH1.cxx:6836

TH1::Draw
void Draw(Option_t *option="") override
Draw this histogram with options.
Definition TH1.cxx:3097

TH1::SetStats
virtual void SetStats(Bool_t stats=kTRUE)
Set statistics option on/off.
Definition TH1.cxx:9127

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

TH2Poly::Fill
Int_t Fill(Double_t x, Double_t y) override
Increment the bin containing (x,y) by 1.
Definition TH2Poly.cxx:650

TH2Poly::Honeycomb
void Honeycomb(Double_t xstart, Double_t ystart, Double_t a, Int_t k, Int_t s, Option_t *option="v")
Bins the histogram using a honeycomb structure If the option "v" is specified, the hexagons are drawn...
Definition TH2Poly.cxx:1012