void test()
{
//=========Macro generated from canvas: c1/c1
//=========  (Tue Nov  5 11:07:23 2019) by ROOT version 6.19/01
   TCanvas *c1 = new TCanvas("c1", "c1",10,45,700,500);
   c1->Range(2.125,0.625,5.875,3.375);
   c1->SetFillColor(0);
   c1->SetBorderMode(0);
   c1->SetBorderSize(2);
   c1->SetFrameBorderMode(0);
   c1->SetFrameBorderMode(0);
   
   TMultiGraph *multigraph = new TMultiGraph();
   multigraph->SetName("");
   multigraph->SetTitle("");
   
   Double_t _fx1001[1] = {
   3};
   Double_t _fy1001[1] = {
   2};
   Double_t _fex1001[1] = {
   0};
   Double_t _fey1001[1] = {
   1};
   TGraphErrors *gre = new TGraphErrors(1,_fx1001,_fy1001,_fex1001,_fey1001);
   gre->SetName("");
   gre->SetTitle("");
   gre->SetFillStyle(1000);
   
   TH1F *Graph_Graph1001 = new TH1F("Graph_Graph1001","",100,2.9,4.1);
   Graph_Graph1001->SetMinimum(0.8);
   Graph_Graph1001->SetMaximum(3.2);
   Graph_Graph1001->SetDirectory(0);
   Graph_Graph1001->SetStats(0);

   Int_t ci;      // for color index setting
   TColor *color; // for color definition with alpha
   ci = TColor::GetColor("#000099");
   Graph_Graph1001->SetLineColor(ci);
   Graph_Graph1001->GetXaxis()->SetLabelFont(42);
   Graph_Graph1001->GetXaxis()->SetLabelSize(0.035);
   Graph_Graph1001->GetXaxis()->SetTitleSize(0.035);
   Graph_Graph1001->GetXaxis()->SetTitleOffset(1);
   Graph_Graph1001->GetXaxis()->SetTitleFont(42);
   Graph_Graph1001->GetYaxis()->SetLabelFont(42);
   Graph_Graph1001->GetYaxis()->SetLabelSize(0.035);
   Graph_Graph1001->GetYaxis()->SetTitleSize(0.035);
   Graph_Graph1001->GetYaxis()->SetTitleFont(42);
   Graph_Graph1001->GetZaxis()->SetLabelFont(42);
   Graph_Graph1001->GetZaxis()->SetLabelSize(0.035);
   Graph_Graph1001->GetZaxis()->SetTitleSize(0.035);
   Graph_Graph1001->GetZaxis()->SetTitleOffset(1);
   Graph_Graph1001->GetZaxis()->SetTitleFont(42);
   gre->SetHistogram(Graph_Graph1001);
   
   multigraph->Add(gre,"p");
   
   Double_t _fx1002[2] = {
   4,
   5};
   Double_t _fy1002[2] = {
   2,
   2};
   Double_t _fex1002[2] = {
   0,
   0};
   Double_t _fey1002[2] = {
   1,
   1};
   gre = new TGraphErrors(2,_fx1002,_fy1002,_fex1002,_fey1002);
   gre->SetName("");
   gre->SetTitle("");

   ci = TColor::GetColor("#ff0000");
   gre->SetFillColor(ci);
   gre->SetFillStyle(3490);
   
   TH1F *Graph_Graph1002 = new TH1F("Graph_Graph1002","",100,3.9,5.1);
   Graph_Graph1002->SetMinimum(0.8);
   Graph_Graph1002->SetMaximum(3.2);
   Graph_Graph1002->SetDirectory(0);
   Graph_Graph1002->SetStats(0);

   ci = TColor::GetColor("#000099");
   Graph_Graph1002->SetLineColor(ci);
   Graph_Graph1002->GetXaxis()->SetLabelFont(42);
   Graph_Graph1002->GetXaxis()->SetLabelSize(0.035);
   Graph_Graph1002->GetXaxis()->SetTitleSize(0.035);
   Graph_Graph1002->GetXaxis()->SetTitleOffset(1);
   Graph_Graph1002->GetXaxis()->SetTitleFont(42);
   Graph_Graph1002->GetYaxis()->SetLabelFont(42);
   Graph_Graph1002->GetYaxis()->SetLabelSize(0.035);
   Graph_Graph1002->GetYaxis()->SetTitleSize(0.035);
   Graph_Graph1002->GetYaxis()->SetTitleFont(42);
   Graph_Graph1002->GetZaxis()->SetLabelFont(42);
   Graph_Graph1002->GetZaxis()->SetLabelSize(0.035);
   Graph_Graph1002->GetZaxis()->SetTitleSize(0.035);
   Graph_Graph1002->GetZaxis()->SetTitleOffset(1);
   Graph_Graph1002->GetZaxis()->SetTitleFont(42);
   gre->SetHistogram(Graph_Graph1002);
   
   multigraph->Add(gre,"3");
   multigraph->Draw("A");
   multigraph->GetXaxis()->SetLimits(2.5, 5.5);
   multigraph->GetXaxis()->SetLabelFont(42);
   multigraph->GetXaxis()->SetLabelSize(0.05);
   multigraph->GetXaxis()->SetTitleSize(0.035);
   multigraph->GetXaxis()->SetTitleOffset(1);
   multigraph->GetXaxis()->SetTitleFont(42);
   multigraph->GetYaxis()->SetLabelFont(42);
   multigraph->GetYaxis()->SetLabelSize(0.05);
   multigraph->GetYaxis()->SetTitleSize(0.035);
   multigraph->GetYaxis()->SetTitleFont(42);
   c1->Modified();
   c1->cd();
   c1->SetSelected(c1);
}