#include <TH1D.h>
#include <TPad.h>
#include <TCanvas.h>
#include <TList.h>
#include <TStyle.h>
#include <TH2.h>
#include <TLegend.h>

void test(){


TCanvas *can   =new TCanvas("can","",600,600);

gStyle->SetOptStat(0);
gStyle->SetOptTitle(0);
gPad->SetLeftMargin(0.15);
gPad->SetRightMargin(0.18);
can->SetTickx(1);
can->SetTicky(1);


TFile *file1  = new TFile("1.root");
TFile *file2  = new TFile("2.root");
TFile *file3  = new TFile("3.root");

TH2F *h1 = (TH2F*)file1->Get("SigTimBakEff1");
TH2F *h2 = (TH2F*)file2->Get("SigTimBakEff1");
TH2F *h3 = (TH2F*)file3->Get("SigTimBakEff1");

TH2F* sigbkg1 =(TH2F*) h1->Clone("sigbkg1");
sigbkg1->Add(h2);
TH2F* total_sig =(TH2F*) h3->Clone("total_sig");
total_sig->Add(sigbkg1);


total_sig->GetXaxis()->SetTitleOffset(1.3);
total_sig->GetYaxis()->SetTitleOffset(1.6);
total_sig->GetZaxis()->SetTitleOffset(1.5);
total_sig->GetYaxis()->SetTitle("Y");
total_sig->GetXaxis()->SetTitle("X");
total_sig->GetZaxis()->SetTitle("#sum Sig");


gStyle->SetPalette(1);
gStyle->SetNumberContours(64);
//gStyle->SetNumberContours(50);
gPad->Modified();
gPad->Update();


total_sig->Draw("CONT1Z");

TPaveText *pt = new TPaveText(0.1665265,0.4421875,0.549201,0.5078125,"blNDC");

pt->SetName("title");
pt->SetBorderSize(0);
pt->SetFillColor(0);
pt->SetFillStyle(0);
pt->SetTextFont(72);
pt->Draw();
TLatex *tex = new TLatex(0.7200805,0.5158145,"");
tex->SetLineWidth(2);
tex->Draw();



int drawxmin  = 0;
int drawxmax  = 0;
int drawymin  = 0;
int drawymax  = 0;
double maxSig = 0.0;

for (int i = 1; i <= 10; i++) {
  for (int j = 1; j <= 10; j++) {

    double xlowbin  = total_sig->GetXaxis()->GetBinLowEdge(i);
    double xmaxbin  = total_sig->GetXaxis()->GetBinUpEdge(i);
    double ylowbin  = total_sig->GetYaxis()->GetBinLowEdge(j);
    double ymaxbin  = total_sig->GetYaxis()->GetBinUpEdge(j);
    double bin_content = total_sig->GetBinContent(i,j);

   if(total_sig->GetBinContent(i,j)==total_sig->GetMaximum()) {
    cout << " xBin: " << xlowbin << " - " << xmaxbin;
    cout << ", yBin: " << ylowbin << " - " << ymaxbin;
    cout << ", content: " <<bin_content<< endl;
    drawxmin = xlowbin;
    drawxmax = xmaxbin;
    drawymin = ylowbin;
    drawymax = ymaxbin;
    maxSig   = bin_content;
    }
  }
}

TMarker *marker1 = new TMarker(drawxmin,drawymin,2);
marker1->SetMarkerStyle(2);
marker1->SetMarkerSize(3.6);
marker1->Draw();

TMarker *marker2 = new TMarker(drawxmax,drawymax,2);
marker2->SetMarkerStyle(2);
marker2->SetMarkerSize(3.6);
marker2->Draw();
TString minxy =  "("+to_string(drawxmin)+","+to_string(drawymin)+", "+to_string(maxSig)+")";
TString maxxy =  "("+to_string(drawxmax)+","+to_string(drawymax)+", "+to_string(maxSig)+")";
cout<<minxy<<endl;
cout<<maxxy<<endl;
tex = new TLatex(29.77587,32.36063,minxy);
tex->SetTextAlign(21);
tex->SetTextFont(42);
tex->SetTextSize(0.04006969);
tex->SetTextAngle(1.218875);
tex->SetLineWidth(2);
tex->Draw();
tex = new TLatex(35.5164,54.79094,maxxy);
tex->SetTextFont(42);
tex->SetTextSize(0.03832753);
tex->SetLineWidth(2);
tex->Draw();

can->Modified();
can->cd();
can->SetSelected(can);
can->ToggleToolBar();


can->Print("Sum.png");

}