{
   auto chc = new TCanvas("chc","chc",600,400);

   auto hc = new TH2Poly();
   hc->Honeycomb(0,0,.1,25,25);
   hc->SetName("hc");
   hc->SetTitle("Option COLZ 0");
   TRandom ran;
   for (int i = 0; i<300; i++) hc->Fill(ran.Gaus(2.,1), ran.Gaus(2.,1));
   hc->Draw("colz 0");
}