{
   // show several TGaxis formats

  gROOT.Reset();

  c1 = new TCanvas("c1","Examples of Gaxis",10,10,700,500);

  c1->Range(-10,-1,10,1);

  TGaxis *axis1 = new TGaxis(-5,-0.2,6,-0.2,-6,8,510,"");
  axis1->SetName("axis1");
  axis1->Draw();

  TGaxis *axis2 = new TGaxis(-5,0.2,6,0.2,0.001,10000,510,"G");
  axis2->SetName("axis2");
  axis2->Draw();

  TGaxis *axis3 = new TGaxis(-9,-0.8,-9,0.8,-8,8,50510,"");
  axis3->SetName("axis3");
  axis3->Draw();

  TGaxis *axis4 = new TGaxis(-7,-0.8,-7,0.8,1,10000,50510,"G");
  axis4->SetName("axis4");
  axis4->Draw();

  TGaxis *axis5 = new TGaxis(-5,-0.6,6,-0.6,1.2,1.32,80506,"-+");
  axis5->SetName("axis5");
  axis5->SetLabelSize(0.03);
  axis5->SetTextFont(72);
  axis5->SetLabelOffset(0.025);

  axis5->Draw();

  TGaxis *axis6 = new TGaxis(-5,0.6,6,0.6,100,900,50510,"-");
  axis6->SetName("axis6");
  axis6->Draw();

  TGaxis *axis7 = new TGaxis(8,-0.8,8,0.8,0,9000,50510,"+L");
  axis7->SetName("axis7");
  axis7->SetLabelOffset(0.01);
  axis7->Draw();
}