#include "Rtypes.h"

void Read()
{
  Int_t Nevent1=35422;
  Int_t Nevent2=34518;
  Double_t scale1= 1.0/Nevent1;
  Double_t scale2= 1.0/Nevent2;


  TFile *f= new TFile("Pbcut_testing.root","read");
  // f->ls();

  TH1F *hist1=(TH1F*)f->Get("phpt");
  //TH1F *hist2=(TH1F*)f->Get("khpt");
  //TH1F *hist3=(TH1F*)f->Get("prhpt");
  //TH1F *hist4=(TH1F*)f->Get("d0hpt");

  TCanvas *c1 =new TCanvas("c1","c1",800,800);
  c1->cd();
  hist1->SetMarkerStyle(29);
  hist1->SetMarkerColor(kRed);
  hist1->Scale(scale1);
  //hist1->Draw("P");
  
  
  //  TCanvas *c2 =new TCanvas("c2","c2",800,800);
  //  c2->cd();
  TH1F *hist2=(TH1F*)f->Get("khpt");
  hist2->SetMarkerStyle(23);
  hist2->SetMarkerColor(kBlue);
  hist2->Scale(scale1);
 

  // TCanvas *c3 =new TCanvas("c3","c3",800,800);
  //  c3->cd();
  TH1F *hist3=(TH1F*)f->Get("prhpt");
  hist2->SetMarkerStyle(20);
  hist2->SetMarkerColor(kYellow);
  hist2->Scale(scale1);
  // hist3->Draw("Same P");

  //  TCanvas *c4 =new TCanvas("c4","c4",800,800);
  // c4->cd();
  
  TH1F *hist4=(TH1F*)f->Get("d0hpt");
  hist2->SetMarkerStyle(21);
  hist2->SetMarkerColor(kGreen);
  hist2->Scale(scale1);
  //  hist4->Draw("Same P");

  hist1->Draw("P");
  hist2->Draw("same P");
  hist3->Draw("same P");
  hist4->Draw("same P");
  
 

  
  /*
   hist2->Draw("Same P");
   hist3->Draw("Same P");
   hist4->Draw("Same P");
  */
}





  /*

h->Scale(1/nevt);
h->Sumw2();
Double_t nevt = 
  */