{
   gROOT->Reset();
   gStyle->SetOptStat(0);
   TCanvas c1("c1","c1",10,10,600,600);
   c1.SetGrid();
   c1.SetTheta(90);
   c1.SetPhi(0);
   
   TH2F h("h","",10,-100,100,10,-100,100);
   h.Draw();
   TPGON *pgon = new TPGON("PGON","PGON","void",0,360,6,2);
   TPCON *pcon = new TPCON("PCON","PCON","void",0,360,2);
   pgon->DefineSection(0,-200,50,100);
   pgon->DefineSection(1, 200,50,100);

   pcon->DefineSection(0,-200,50,100);
   pcon->DefineSection(1, 200,50,100);

//   pgon->Draw();
   pcon->SetLineColor(kBlue);
   pcon->Draw();
   TNode *node  = new TNode("NODE","NODE","PGON",0,0,0);
   TNode *cnode = new TNode("NODE","NODE","PCON",0,0,0);
   node->Draw();
//   cnode->Draw();
   c1->GetView()->ShowAxis();
}