void DrawGraph(string name, TGraphErrors* graph)
{
TCanvas* canvas = new TCanvas(name.c_str(),"",1200,900);
canvas->SetFillColor(kWhite);
canvas->cd();
TPad* pad = new TPad();
// left right bottom top
pad->SetMargin(0.15,0.05,0.15,0.05);
pad->SetTicks(1,1);
pad->SetFillColor(kWhite);
pad->Draw();
pad->cd();
TGraphErrors* oldgraph = graph;
graph = new TGraphErrors(*graph);
delete oldgraph;
float textsize = 0.055;
graph->SetMinimum(0);
graph->SetMaximum(100);
graph->SetTitle("");
graph->GetXaxis()->SetTitle("#it{m}(#it{K^{#plus}K^{#minus}}) [MeV/#it{c}^{2}]");
graph->GetYaxis()->SetTitle("Efficiency [%]");
graph->SetLineColor(kBlack);
graph->SetLineWidth(1);
graph->SetMarkerSize(1);
graph->SetMarkerStyle(8);
graph->SetMarkerColor(kBlack);
graph->Draw("AP");
graph->GetXaxis()->SetTitleSize(textsize*1.2);
graph->GetYaxis()->SetTitleSize(textsize*1.2);
graph->GetXaxis()->SetLabelSize(textsize);
graph->GetYaxis()->SetLabelSize(textsize);
graph->GetXaxis()->SetTitleFont(132);
graph->GetYaxis()->SetTitleFont(132);
graph->GetXaxis()->SetLabelFont(132);
graph->GetYaxis()->SetLabelFont(132);
graph->GetYaxis()->CenterTitle();
double _blurbx = 0.75;
double _blurby = 0.80;
string _blurbtext = "#splitline{LHCb}{#scale[0.75]{Preliminary}}";
TLatex* _blurb = new TLatex(_blurbx,_blurby,_blurbtext.c_str());
_blurb->SetTextFont(132);
_blurb->SetTextColor(1);
_blurb->SetNDC(kTRUE);
_blurb->SetTextAlign(11);
_blurb->SetTextSize(0.07);
_blurb->Draw();
canvas->SaveAs((name+".pdf").c_str());
canvas->Write();
}
