void ticktest(){
	//universal size values
	double canvasW = 704;
	double marginL = 95;
	double marginR = 35;
	double marginB = 65;
	double marginT = 35;
	double marginM = 13;
	double sizeT = 32;
	double sizeL = 28;
	double sizeP = 26;

	double canvasH = 728;
	TCanvas* can = new TCanvas("ticktest","ticktest",canvasW,canvasH);

	//setup histo and ratio areas for canvas
	TPad* pad1 = new TPad("graph","",0,2./7.,1.0,1.0);
	double pad1W = pad1->GetWw()*pad1->GetAbsWNDC();
	double pad1H = pad1->GetWh()*pad1->GetAbsHNDC();
	pad1->SetMargin(marginL/pad1W,marginR/pad1W,marginM/pad1H,marginT/pad1H);
	pad1->SetTicks(1,1);
	pad1->SetLogy();
	TPad* pad2 = new TPad("dmc","",0,0,1.0,2./7.);
	double pad2W = pad2->GetWw()*pad2->GetAbsWNDC();
	double pad2H = pad2->GetWh()*pad2->GetAbsHNDC();
	pad2->SetMargin(marginL/pad2W,marginR/pad2W,marginB/pad2H,marginM/pad2H);
	pad2->SetTicks(1,1);

	//create histo
	TH1F* histo = new TH1F("test","",50,0,500);
	histo->GetXaxis()->SetTitle("M_{#mu#tau} [GeV]");
	histo->GetYaxis()->SetTitle("number of events / 10 GeV");
	histo->GetYaxis()->SetRangeUser(1,1e4);
	
	//format ratio histo
	TH1F* ratio = (TH1F*)histo->Clone();
	ratio->SetMarkerStyle(20);
	ratio->SetMarkerColor(kBlack);
	ratio->SetLineColor(kBlack);
	ratio->GetYaxis()->SetTitleOffset(0.425);
	ratio->GetXaxis()->SetTitleOffset(0.95);
	ratio->GetXaxis()->SetTitleSize(sizeT/pad2H);
	ratio->GetXaxis()->SetLabelSize(sizeL/pad2H);
	ratio->GetXaxis()->SetLabelOffset(5/pad2H);
	ratio->GetYaxis()->SetTitleSize(sizeT/pad2H);
	ratio->GetYaxis()->SetLabelSize(sizeL/pad2H);
	ratio->GetYaxis()->SetLabelOffset(5/pad2H);
	//ratio->GetYaxis()->SetTickLength(12/pad2W);
	ratio->GetYaxis()->SetTickLength(12/pad2H);
	ratio->GetXaxis()->SetTickLength(12/pad2H);
	ratio->GetYaxis()->SetNdivisions(503);
	ratio->GetXaxis()->SetNdivisions(507);
	ratio->GetYaxis()->SetRangeUser(0.45,1.55);
	
	ratio->GetYaxis()->SetTitle("Data/MC"); //default title
	
	//special formatting for blank histo
	histo->GetYaxis()->SetTitleOffset(1.1);
	histo->GetXaxis()->SetLabelOffset(999);
	histo->GetXaxis()->SetTitle("");

	//common formatting for blank histo
	histo->GetYaxis()->SetTitleSize(sizeT/pad1H);
	histo->GetYaxis()->SetLabelSize(sizeL/pad1H);
	histo->GetYaxis()->SetLabelOffset(5/pad1H);
	histo->GetXaxis()->SetTitleSize(sizeT/pad1H);
	histo->GetXaxis()->SetLabelSize(sizeL/pad1H);
	//histo->GetYaxis()->SetTickLength(12/pad1W);
	histo->GetYaxis()->SetTickLength(12/pad1H);
	histo->GetXaxis()->SetTickLength(12/pad1H);
	histo->GetXaxis()->SetNdivisions(507);
	
	can->cd();
	pad1->Draw();
	pad1->cd();
	histo->Draw("hist");
	can->cd();
	pad2->Draw();
	pad2->cd();
	ratio->Draw("hist");
}