void Example()
{
//=========Macro generated from canvas: cMtdNdy/dNdy Mt
//=========  (Tue Feb 19 10:13:40 2019) by ROOT version 6.12/06
   TCanvas *cMtdNdy = new TCanvas("cMtdNdy", "dNdy Mt",214,153,1200,840);
   cMtdNdy->ToggleEventStatus();
   cMtdNdy->Range(-1.251047,0.0008372092,1.109419,0.01246512);
   cMtdNdy->SetFillColor(0);
   cMtdNdy->SetBorderMode(0);
   cMtdNdy->SetBorderSize(2);
   cMtdNdy->SetRightMargin(0.04);
   cMtdNdy->SetTopMargin(0.04);
   cMtdNdy->SetFrameBorderMode(0);
   cMtdNdy->SetFrameBorderMode(0);
    
    TGraphMultiErrors* tgme = new TGraphMultiErrors(35, 3);
    tgme->SetName("Graph_from_hdNdyStd");
    tgme->SetTitle("");
   tgme->SetFillStyle(0);

   Int_t ci;      // for color index setting
   TColor *color; // for color definition with alpha
   ci = TColor::GetColor("#ff0000");
   tgme->SetLineColor(ci);

   ci = TColor::GetColor("#ff0000");
   tgme->SetMarkerColor(ci);
   tgme->SetMarkerStyle(20);
   tgme->SetMarkerSize(1.5);
   tgme->GetAttFill(0)->SetFillStyle(0);

   ci = TColor::GetColor("#ff0000");
   tgme->GetAttLine(0)->SetLineColor(ci);
   tgme->GetAttFill(1)->SetFillStyle(0);

   ci = TColor::GetColor("#ff0000");
   tgme->GetAttLine(1)->SetLineColor(ci);
   tgme->GetAttFill(2)->SetFillStyle(3002);
   tgme->GetAttFill(2)->SetFillColor(kBlue);

   ci = TColor::GetColor("#ff0000");
   tgme->GetAttLine(2)->SetLineColor(ci);
    tgme->SetPoint(0, -1.7, -1e-10);
    tgme->SetPointEX(0, 0.05, 0.05);
    tgme->SetPointEY(0, 0, 0, 0);
    tgme->SetPointEY(0, 1, 0, 0);
    tgme->SetPointEY(0, 2, 0, 0);
    tgme->SetPoint(1, -1.6, -1e-10);
    tgme->SetPointEX(1, 0.05, 0.05);
    tgme->SetPointEY(1, 0, 0, 0);
    tgme->SetPointEY(1, 1, 0, 0);
    tgme->SetPointEY(1, 2, 0, 0);
    tgme->SetPoint(2, -1.5, -1e-10);
    tgme->SetPointEX(2, 0.05, 0.05);
    tgme->SetPointEY(2, 0, 0, 0);
    tgme->SetPointEY(2, 1, 0, 0);
    tgme->SetPointEY(2, 2, 0, 0);
    tgme->SetPoint(3, -1.4, -1e-10);
    tgme->SetPointEX(3, 0.05, 0.05);
    tgme->SetPointEY(3, 0, 0, 0);
    tgme->SetPointEY(3, 1, 0, 0);
    tgme->SetPointEY(3, 2, 0, 0);
    tgme->SetPoint(4, -1.3, -1e-10);
    tgme->SetPointEX(4, 0.05, 0.05);
    tgme->SetPointEY(4, 0, 0, 0);
    tgme->SetPointEY(4, 1, 0, 0);
    tgme->SetPointEY(4, 2, 0, 0);
    tgme->SetPoint(5, -1.2, -1e-10);
    tgme->SetPointEX(5, 0.05, 0.05);
    tgme->SetPointEY(5, 0, 0, 0);
    tgme->SetPointEY(5, 1, 0, 0);
    tgme->SetPointEY(5, 2, 0, 0);
    tgme->SetPoint(6, -1.1, -1e-10);
    tgme->SetPointEX(6, 0.05, 0.05);
    tgme->SetPointEY(6, 0, 0, 0);
    tgme->SetPointEY(6, 1, 0, 0);
    tgme->SetPointEY(6, 2, 0, 0);
    tgme->SetPoint(7, -1, -1e-10);
    tgme->SetPointEX(7, 0.05, 0.05);
    tgme->SetPointEY(7, 0, 0, 0);
    tgme->SetPointEY(7, 1, 0, 0);
    tgme->SetPointEY(7, 2, 0, 0);
    tgme->SetPoint(8, -0.9, -1e-10);
    tgme->SetPointEX(8, 0.05, 0.05);
    tgme->SetPointEY(8, 0, 0, 0);
    tgme->SetPointEY(8, 1, 0, 0);
    tgme->SetPointEY(8, 2, 0, 0);
    tgme->SetPoint(9, -0.8, -1e-10);
    tgme->SetPointEX(9, 0.05, 0.05);
    tgme->SetPointEY(9, 0, 0, 0);
    tgme->SetPointEY(9, 1, 0, 0);
    tgme->SetPointEY(9, 2, 0, 0);
    tgme->SetPoint(10, -0.7, -1e-10);
    tgme->SetPointEX(10, 0.05, 0.05);
    tgme->SetPointEY(10, 0, 0, 0);
    tgme->SetPointEY(10, 1, 0, 0);
    tgme->SetPointEY(10, 2, 0, 0);
    tgme->SetPoint(11, -0.6, 0.006653559);
    tgme->SetPointEX(11, 0.05, 0.05);
    tgme->SetPointEY(11, 0, 0.0007770135, 0.0007770135);
    tgme->SetPointEY(11, 1, 0.0002661424, 0.0002661424);
    tgme->SetPointEY(11, 2, 0.001114412, 0.001114412);
    tgme->SetPoint(12, -0.5, 0.007612885);
    tgme->SetPointEX(12, 0.05, 0.05);
    tgme->SetPointEY(12, 0, 0.0003058048, 0.0003058048);
    tgme->SetPointEY(12, 1, 0.0003045154, 0.0003045154);
    tgme->SetPointEY(12, 2, 0.001114412, 0.001114412);
    tgme->SetPoint(13, -0.4, 0.007998861);
    tgme->SetPointEX(13, 0.05, 0.05);
    tgme->SetPointEY(13, 0, 0.000169729, 0.000169729);
    tgme->SetPointEY(13, 1, 0.0003199544, 0.0003199544);
    tgme->SetPointEY(13, 2, 0.001114412, 0.001114412);
    tgme->SetPoint(14, -0.3, 0.008373467);
    tgme->SetPointEX(14, 0.05, 0.05);
    tgme->SetPointEY(14, 0, 0.0001226339, 0.0001226339);
    tgme->SetPointEY(14, 1, 0.0003349387, 0.0003349387);
    tgme->SetPointEY(14, 2, 0.001114412, 0.001114412);
    tgme->SetPoint(15, -0.2, 0.0090014);
    tgme->SetPointEX(15, 0.05, 0.05);
    tgme->SetPointEY(15, 0, 0.0001099641, 0.0001099641);
    tgme->SetPointEY(15, 1, 0.000360056, 0.000360056);
    tgme->SetPointEY(15, 2, 0.001114412, 0.001114412);
    tgme->SetPoint(16, -0.1, 0.00918717);
    tgme->SetPointEX(16, 0.05, 0.05);
    tgme->SetPointEY(16, 0, 0.0001012269, 0.0001012269);
    tgme->SetPointEY(16, 1, 0.0003674868, 0.0003674868);
    tgme->SetPointEY(16, 2, 0.001114412, 0.001114412);
    tgme->SetPoint(17, 1.804112e-16, 0.009157779);
    tgme->SetPointEX(17, 0.05, 0.05);
    tgme->SetPointEY(17, 0, 9.974575e-05, 9.974575e-05);
    tgme->SetPointEY(17, 1, 0.0003663111, 0.0003663111);
    tgme->SetPointEY(17, 2, 0.001114412, 0.001114412);
    tgme->SetPoint(18, 0.1, 0.009052232);
    tgme->SetPointEX(18, 0.05, 0.05);
    tgme->SetPointEY(18, 0, 0.0001012727, 0.0001012727);
    tgme->SetPointEY(18, 1, 0.0003620893, 0.0003620893);
    tgme->SetPointEY(18, 2, 0.001114412, 0.001114412);
    tgme->SetPoint(19, 0.2, 0.008822018);
    tgme->SetPointEX(19, 0.05, 0.05);
    tgme->SetPointEY(19, 0, 0.0001061224, 0.0001061224);
    tgme->SetPointEY(19, 1, 0.0003528807, 0.0003528807);
    tgme->SetPointEY(19, 2, 0.001114412, 0.001114412);
    tgme->SetPoint(20, 0.3, 0.008393364);
    tgme->SetPointEX(20, 0.05, 0.05);
    tgme->SetPointEY(20, 0, 0.0001146153, 0.0001146153);
    tgme->SetPointEY(20, 1, 0.0003357346, 0.0003357346);
    tgme->SetPointEY(20, 2, 0.001114412, 0.001114412);
    tgme->SetPoint(21, 0.4, 0.007694294);
    tgme->SetPointEX(21, 0.05, 0.05);
    tgme->SetPointEY(21, 0, 0.0001231055, 0.0001231055);
    tgme->SetPointEY(21, 1, 0.0003077718, 0.0003077718);
    tgme->SetPointEY(21, 2, 0.001114412, 0.001114412);
    tgme->SetPoint(22, 0.5, 0.006927766);
    tgme->SetPointEX(22, 0.05, 0.05);
    tgme->SetPointEY(22, 0, 0.0001419568, 0.0001419568);
    tgme->SetPointEY(22, 1, 0.0002771106, 0.0002771106);
    tgme->SetPointEY(22, 2, 0.001114412, 0.001114412);
    tgme->SetPoint(23, 0.6, 0.005943415);
    tgme->SetPointEX(23, 0.05, 0.05);
    tgme->SetPointEY(23, 0, 0.0001604474, 0.0001604474);
    tgme->SetPointEY(23, 1, 0.000248211, 0.000248211);
    tgme->SetPointEY(23, 2, 0.001114412, 0.001114412);
    tgme->SetPoint(24, 0.7, 0.004971598);
    tgme->SetPointEX(24, 0.05, 0.05);
    tgme->SetPointEY(24, 0, 0.00019305, 0.00019305);
    tgme->SetPointEY(24, 1, 0.0001988639, 0.0001988639);
    tgme->SetPointEY(24, 2, 0.001114412, 0.001114412);
    tgme->SetPoint(25, 0.8, 0.003335559);
    tgme->SetPointEX(25, 0.05, 0.05);
    tgme->SetPointEY(25, 0, 0.000226053, 0.000226053);
    tgme->SetPointEY(25, 1, 0.0001334223, 0.0001334223);
    tgme->SetPointEY(25, 2, 0.001114412, 0.001114412);
    tgme->SetPoint(26, 0.9, -1e-10);
    tgme->SetPointEX(26, 0.05, 0.05);
    tgme->SetPointEY(26, 0, 0, 0);
    tgme->SetPointEY(26, 1, 0, 0);
    tgme->SetPointEY(26, 2, 0, 0);
    tgme->SetPoint(27, 1, -1e-10);
    tgme->SetPointEX(27, 0.05, 0.05);
    tgme->SetPointEY(27, 0, 0, 0);
    tgme->SetPointEY(27, 1, 0, 0);
    tgme->SetPointEY(27, 2, 0, 0);
    tgme->SetPoint(28, 1.1, -1e-10);
    tgme->SetPointEX(28, 0.05, 0.05);
    tgme->SetPointEY(28, 0, 0, 0);
    tgme->SetPointEY(28, 1, 0, 0);
    tgme->SetPointEY(28, 2, 0, 0);
    tgme->SetPoint(29, 1.2, -1e-10);
    tgme->SetPointEX(29, 0.05, 0.05);
    tgme->SetPointEY(29, 0, 0, 0);
    tgme->SetPointEY(29, 1, 0, 0);
    tgme->SetPointEY(29, 2, 0, 0);
    tgme->SetPoint(30, 1.3, -1e-10);
    tgme->SetPointEX(30, 0.05, 0.05);
    tgme->SetPointEY(30, 0, 0, 0);
    tgme->SetPointEY(30, 1, 0, 0);
    tgme->SetPointEY(30, 2, 0, 0);
    tgme->SetPoint(31, 1.4, -1e-10);
    tgme->SetPointEX(31, 0.05, 0.05);
    tgme->SetPointEY(31, 0, 0, 0);
    tgme->SetPointEY(31, 1, 0, 0);
    tgme->SetPointEY(31, 2, 0, 0);
    tgme->SetPoint(32, 1.5, -1e-10);
    tgme->SetPointEX(32, 0.05, 0.05);
    tgme->SetPointEY(32, 0, 0, 0);
    tgme->SetPointEY(32, 1, 0, 0);
    tgme->SetPointEY(32, 2, 0, 0);
    tgme->SetPoint(33, 1.6, -1e-10);
    tgme->SetPointEX(33, 0.05, 0.05);
    tgme->SetPointEY(33, 0, 0, 0);
    tgme->SetPointEY(33, 1, 0, 0);
    tgme->SetPointEY(33, 2, 0, 0);
    tgme->SetPoint(34, 1.7, -1e-10);
    tgme->SetPointEX(34, 0.05, 0.05);
    tgme->SetPointEY(34, 0, 0, 0);
    tgme->SetPointEY(34, 1, 0, 0);
    tgme->SetPointEY(34, 2, 0, 0);
   
   TH1F *Graph_Graph_from_hdNdyStd1 = new TH1F("Graph_Graph_from_hdNdyStd1","",100,-1.75,1.75);
   Graph_Graph_from_hdNdyStd1->SetMinimum(0.002);
   Graph_Graph_from_hdNdyStd1->SetMaximum(0.012);
   Graph_Graph_from_hdNdyStd1->SetDirectory(0);
   Graph_Graph_from_hdNdyStd1->SetStats(0);

   ci = TColor::GetColor("#000099");
   Graph_Graph_from_hdNdyStd1->SetLineColor(ci);
   Graph_Graph_from_hdNdyStd1->GetXaxis()->SetTitle("Rapidity y_{cm}");
   Graph_Graph_from_hdNdyStd1->GetXaxis()->SetRange(22,79);
   Graph_Graph_from_hdNdyStd1->GetXaxis()->SetLabelFont(42);
   Graph_Graph_from_hdNdyStd1->GetXaxis()->SetLabelSize(0.035);
   Graph_Graph_from_hdNdyStd1->GetXaxis()->SetTitleSize(0.035);
   Graph_Graph_from_hdNdyStd1->GetXaxis()->SetTitleFont(42);
   Graph_Graph_from_hdNdyStd1->GetYaxis()->SetTitle("#frac{dN}{dy} / N_{Events}");
   Graph_Graph_from_hdNdyStd1->GetYaxis()->SetLabelFont(42);
   Graph_Graph_from_hdNdyStd1->GetYaxis()->SetLabelSize(0.035);
   Graph_Graph_from_hdNdyStd1->GetYaxis()->SetTitleSize(0.035);
   Graph_Graph_from_hdNdyStd1->GetYaxis()->SetTitleOffset(1.4);
   Graph_Graph_from_hdNdyStd1->GetYaxis()->SetTitleFont(42);
   Graph_Graph_from_hdNdyStd1->GetZaxis()->SetLabelFont(42);
   Graph_Graph_from_hdNdyStd1->GetZaxis()->SetLabelSize(0.035);
   Graph_Graph_from_hdNdyStd1->GetZaxis()->SetTitleSize(0.035);
   Graph_Graph_from_hdNdyStd1->GetZaxis()->SetTitleFont(42);
    tgme->SetHistogram(Graph_Graph_from_hdNdyStd1);
    
    tgme->Draw("a p x y0 s ; z ; 5 s=0.5 ; 3");
   
   TF1 *fdNdyStdGaus1 = new TF1("fdNdyStdGaus","gaus",-1.75,1.75, TF1::EAddToList::kDefault);
   fdNdyStdGaus1->SetFillColor(19);
   fdNdyStdGaus1->SetFillStyle(0);

   ci = TColor::GetColor("#ff0000");
   fdNdyStdGaus1->SetLineColor(ci);
   fdNdyStdGaus1->SetLineWidth(2);
   fdNdyStdGaus1->SetChisquare(34.55391);
   fdNdyStdGaus1->SetNDF(13);
   fdNdyStdGaus1->GetXaxis()->SetLabelFont(42);
   fdNdyStdGaus1->GetXaxis()->SetLabelSize(0.035);
   fdNdyStdGaus1->GetXaxis()->SetTitleSize(0.035);
   fdNdyStdGaus1->GetXaxis()->SetTitleFont(42);
   fdNdyStdGaus1->GetYaxis()->SetLabelFont(42);
   fdNdyStdGaus1->GetYaxis()->SetLabelSize(0.035);
   fdNdyStdGaus1->GetYaxis()->SetTitleSize(0.035);
   fdNdyStdGaus1->GetYaxis()->SetTitleOffset(0);
   fdNdyStdGaus1->GetYaxis()->SetTitleFont(42);
   fdNdyStdGaus1->SetParameter(0,0.009320421);
   fdNdyStdGaus1->SetParError(0,4.67545e-05);
   fdNdyStdGaus1->SetParLimits(0,0,0);
   fdNdyStdGaus1->SetParameter(1,0);
   fdNdyStdGaus1->SetParError(1,0);
   fdNdyStdGaus1->SetParLimits(1,1,1);
   fdNdyStdGaus1->SetParameter(2,0.6340543);
   fdNdyStdGaus1->SetParError(2,0.01016669);
   fdNdyStdGaus1->SetParLimits(2,0,0);
   fdNdyStdGaus1->Draw("SAME");
   
   TLegend *leg = new TLegend(0.73,0.75,0.95,0.95,NULL,"brNDC");
   leg->SetBorderSize(1);
   leg->SetLineColor(0);
   leg->SetLineStyle(1);
   leg->SetLineWidth(1);
   leg->SetFillColor(0);
   leg->SetFillStyle(1001);

   TLegendEntry *entry=leg->AddEntry("Graph_from_hdNdyStd","Data","L P");
   ci = TColor::GetColor("#ff0000");
   entry->SetLineColor(ci);
   entry->SetLineStyle(1);
   entry->SetLineWidth(1);
   ci = TColor::GetColor("#ff0000");
   entry->SetMarkerColor(ci);
   entry->SetMarkerStyle(20);
   entry->SetMarkerSize(1.5);
   entry->SetTextFont(42);

   entry=leg->AddEntry("","Point to Point Systematics","F");
   ci = TColor::GetColor("#ff0000");
   entry->SetLineColor(ci);
   entry->SetLineStyle(1);
   entry->SetLineWidth(1);
   entry->SetMarkerColor(1);
   entry->SetMarkerStyle(21);
   entry->SetMarkerSize(1);
   entry->SetTextFont(42);

   entry=leg->AddEntry("","Common Systematics","F");
   ci = TColor::GetColor("#0000ff");
   entry->SetLineColor(ci);
   entry->SetLineStyle(0);
   entry->SetLineWidth(0);
   entry->SetFillColor(ci);
   entry->SetFillStyle(3002);
   entry->SetMarkerColor(1);
   entry->SetMarkerStyle(21);
   entry->SetMarkerSize(1);
   entry->SetTextFont(42);

   leg->Draw();
   cMtdNdy->Modified();
   cMtdNdy->cd();
   cMtdNdy->SetSelected(cMtdNdy);
}