void setGraphTDR()
{
	
	// TDR Style
	
	TStyle *tdrStyle = new TStyle("tdrStyle","Style for P-TDR");
	
	// For the canvas:
	tdrStyle->SetCanvasBorderMode(0);
	tdrStyle->SetCanvasColor(kWhite);
	tdrStyle->SetCanvasDefH(600); // Height of canvas
	tdrStyle->SetCanvasDefW(600); // Width of canvas
	tdrStyle->SetCanvasDefX(0);   // Position on screen
	tdrStyle->SetCanvasDefY(0);
	
	// For the Pad:
	tdrStyle->SetPadBorderMode(0);
	// tdrStyle->SetPadBorderSize(Width_t size = 1);
	tdrStyle->SetPadColor(kWhite);
	tdrStyle->SetPadGridX(false);
	tdrStyle->SetPadGridY(false);
	tdrStyle->SetGridColor(0);
	tdrStyle->SetGridStyle(3);
	tdrStyle->SetGridWidth(1);
	
	// For the frame:
	tdrStyle->SetFrameBorderMode(0);
	tdrStyle->SetFrameBorderSize(1);
	tdrStyle->SetFrameFillColor(0);
	tdrStyle->SetFrameFillStyle(0);
	tdrStyle->SetFrameLineColor(1);
	tdrStyle->SetFrameLineStyle(1);
	tdrStyle->SetFrameLineWidth(1);
	
	// For the histo:
	// tdrStyle->SetHistFillColor(1);
	// tdrStyle->SetHistFillStyle(0);
	tdrStyle->SetHistLineColor(1);
	tdrStyle->SetHistLineStyle(0);
	tdrStyle->SetHistLineWidth(1);
	// tdrStyle->SetLegoInnerR(Float_t rad = 0.5);
	// tdrStyle->SetNumberContours(Int_t number = 20);
	tdrStyle->SetEndErrorSize(2);
	// remarked out DLE
	//tdrStyle->SetErrorMarker(20);
	tdrStyle->SetErrorX(0.);
	tdrStyle->SetMarkerStyle(20);
	
	//For the fit/function:
	tdrStyle->SetOptFit(1);
	tdrStyle->SetFitFormat("5.4g");
	tdrStyle->SetFuncColor(2);
	tdrStyle->SetFuncStyle(1);
	tdrStyle->SetFuncWidth(1);
	
	//For the date:
	tdrStyle->SetOptDate(0);
	// tdrStyle->SetDateX(Float_t x = 0.01);
	// tdrStyle->SetDateY(Float_t y = 0.01);
	
	// For the statistics box:
	//tdrStyle->SetOptFile(0);
	//tdrStyle->SetOptStat(1); // To display the mean and RMS:   SetOptStat("mr");
	tdrStyle->SetStatColor(kWhite);
	tdrStyle->SetStatFont(42);
	tdrStyle->SetStatFontSize(0.025);
	tdrStyle->SetStatTextColor(1);
	tdrStyle->SetStatFormat("6.4g");
	tdrStyle->SetStatBorderSize(1);
	tdrStyle->SetStatH(0.1);
	tdrStyle->SetStatW(0.15);
	// tdrStyle->SetStatStyle(Style_t style = 1001);
	// tdrStyle->SetStatX(Float_t x = 0);
	// tdrStyle->SetStatY(Float_t y = 0);
	
	// Margins:
	tdrStyle->SetPadTopMargin(0.05);
	tdrStyle->SetPadBottomMargin(0.13);
	tdrStyle->SetPadLeftMargin(0.16);
	tdrStyle->SetPadRightMargin(0.035);
	
	// For the Global title:
	tdrStyle->SetOptTitle(0);
	tdrStyle->SetTitleFont(42);
	tdrStyle->SetTitleColor(1);
	tdrStyle->SetTitleTextColor(1);
	tdrStyle->SetTitleFillColor(10);
	tdrStyle->SetTitleFontSize(0.05);
	// tdrStyle->SetTitleH(0); // Set the height of the title box
	// tdrStyle->SetTitleW(0); // Set the width of the title box
	// tdrStyle->SetTitleX(0); // Set the position of the title box
	// tdrStyle->SetTitleY(0.985); // Set the position of the title box
	// tdrStyle->SetTitleStyle(Style_t style = 1001);
	// tdrStyle->SetTitleBorderSize(2);
	
	// For the axis titles:
	tdrStyle->SetTitleColor(1, "XYZ");
	tdrStyle->SetTitleFont(42, "XYZ");
	tdrStyle->SetTitleSize(0.06, "XYZ");
	// tdrStyle->SetTitleXSize(Float_t size = 0.02); // Another way to set the size?
	// tdrStyle->SetTitleYSize(Float_t size = 0.02);
	tdrStyle->SetTitleXOffset(1.5); //0.9
	tdrStyle->SetTitleYOffset(1.5); //1.25
	//tdrStyle->SetTitleZOffset(1.5); //1.25
	// tdrStyle->SetTitleOffset(1.1, "Y"); // Another way to set the Offset
	
	// For the axis labels:
	tdrStyle->SetLabelColor(1, "XYZ");
	tdrStyle->SetLabelFont(42, "XYZ");
	tdrStyle->SetLabelOffset(0.007, "XYZ");
	tdrStyle->SetLabelSize(0.05, "XYZ");
	
	// For the axis:
	tdrStyle->SetAxisColor(1, "XYZ");
	tdrStyle->SetStripDecimals(kTRUE);
	tdrStyle->SetTickLength(0.03, "XYZ");
	tdrStyle->SetNdivisions(505, "XYZ");
	//  tdrStyle->SetNdivisions(510, "XYZ");
	tdrStyle->SetPadTickX(1);  // To get tick marks on the opposite side of the frame
	tdrStyle->SetPadTickY(1);
	
	// Change for log plots:
	//tdrStyle->SetOptLogx(0);
	//tdrStyle->SetOptLogy(0);
	//tdrStyle->SetOptLogz(0);
	
	// Postscript options:
	tdrStyle->SetPaperSize(20.,20.);
	// tdrStyle->SetLineScalePS(Float_t scale = 3);
	// tdrStyle->SetLineStyleString(Int_t i, const char* text);
	// tdrStyle->SetHeaderPS(const char* header);
	// tdrStyle->SetTitlePS(const char* pstitle);
	// tdrStyle->SetBarOffset(Float_t baroff = 0.5);
	// tdrStyle->SetBarWidth(Float_t barwidth = 0.5);
	// tdrStyle->SetPaintTextFormat(const char* format = "g");
	// tdrStyle->SetPalette(Int_t ncolors = 0, Int_t* colors = 0);
	// tdrStyle->SetTimeOffset(Double_t toffset);
	// tdrStyle->SetHistMinimumZero(kTRUE);
	//tdrStyle->SetOptLogz(1);
	
	tdrStyle->cd();
	
}

void loopdir2() {
//Ref:http://root.cern.ch/phpBB3/viewtopic.php?f=3&t=13981
	
   TFile *f1= new TFile("DQM_V0001_R000000001__Global__CMSSW_X_Y_Z__RECO_FastSim_muon_brem.root");
   TList* tdf_obs = f1->GetDirectory("/DQMData/Run 1/Muons/Run summary/RecoMuonV")->GetListOfKeys(); 
   char *hName1 = new char [80];
  
///
	TFile *f2= new TFile("DQM_V0002_R000000001__RelValSingleMuPt1000__CMSSW_5_2_0_pre6-START52_V2-v3__DQM.root");
	TList* tdf_obs = f2->GetDirectory("/DQMData/Run 1/Muons/Run summary/RecoMuonV")->GetListOfKeys(); 
	char *hName2 = new char [80];
	
    TFile *f3= new TFile("DQM_V0001_R000000001__Global__CMSSW_X_Y_Z__RECO_FastSim_STD.root");
	TList* tdf_obs = f3->GetDirectory("/DQMData/Run 1/Muons/Run summary/RecoMuonV")->GetListOfKeys(); 
	char *hName3 = new char [80];
	
	
 char *filesave = new char[80];	
	
 TList *objlist1 = f1->GetListOfKeys();
 TList *objlist2 = f2->GetListOfKeys();
 TList *objlist3 = f3->GetListOfKeys();	

	

 TIterator *itr = objlist1->MakeIterator();
 TIterator *itr = objlist2->MakeIterator();
 TIterator *itr = objlist3->MakeIterator();	
 TKey *key1;
 TKey *key2;
 TKey *key3;	

TString *currentdir;
TIter iter(tdf_obs);
	key3 = static_cast<TKey*>(iter.Next());
	key2 = static_cast<TKey*>(iter.Next());
   
     while ((key1 = static_cast<TKey*>(iter.Next())) != 0) {
	 							

	TObject *obj1 = key1->ReadObj();
	TObject *obj2 = key2->ReadObj();
	TObject *obj3 = key3->ReadObj();
									
    TH1F *h1 = (TH1F*)key1->ReadObj();
	TH1F *h2 = (TH1F*)key2->ReadObj();
	TH1F *h3 = (TH1F*)key3->ReadObj();							

	  sprintf(filesave,"%s%s.png",h1->GetName(),"Validation");
									
    cout << "This object has name " << obj1->GetName() << "  " <<obj2->GetName() << " " << obj3->GetName()<< endl;
	  
    if (obj1->IsA()->InheritsFrom("TDirectory") && obj2->IsA()->InheritsFrom("TDirectory")&& obj3->IsA()->InheritsFrom("TDirectory")) {
      TDirectory *d1 = static_cast<TDirectory*>(obj1);
	  TDirectory *d2 = static_cast<TDirectory*>(obj2);								
	  TDirectory *d3 = static_cast<TDirectory*>(obj3);
      cout << "Dir: " << d1->GetPath() << ""<< d2->GetPath()<< "" << d3->GetPath()<< endl;
    } 
	
	  //  if (h1->GetEntries() != 0 && h2->GetEntries() != 0 && h3->GetEntries() != 0   ){ // Defense
     if(obj1->IsA()->InheritsFrom("TH1") &&obj2->IsA()->InheritsFrom("TH1")&& obj3->IsA()->InheritsFrom("TH1")){
	   
		setGraphTDR();
	   TCanvas *singleCanvas = new TCanvas("canvas","canvas");
       singleCanvas->cd();

		 
    //FastSim + Muon Brem
	   h1->SetLineColor(kBlue);
	   h1->SetMarkerColor(4);
	   h1->SetMarkerStyle(25);
	   h1->SetFillColor(kBlue);
	   h1->SetFillStyle(3004); 
	//FullSim								
	   h2->SetLineColor(kRed);
	   h2->SetMarkerColor(2);
	   h2->SetMarkerStyle(26);
	   h2->SetFillColor(kRed);
	   h2->SetFillStyle(3005); 
   //Fast Sim STD									
	   h3->SetMarkerColor(8);
	   h3->SetMarkerStyle(24);	 
	   h3->SetFillColor(kSpring+1);
	   h3->SetFillStyle(1005); 
									
//Drawing plots	
	  
	   h1->Draw("pe");//
	   h2->Draw("samepe"); 
	  // h3->Draw("samepe");
	
	   TLegend *leg = new TLegend(0.7082137,0.7675351,0.9000574,0.9008016,NULL,"brNDC");
	   leg->AddEntry(h1,"FastSim+MuonBrem","f");
	   leg->AddEntry(h2,"FullSim","f");
	   //leg->AddEntry(h3,"FastSim+EnergyLoss","f");
	   
	   leg->SetFillColor(0);
	   leg->Draw();							
       
	singleCanvas->Update();
       singleCanvas->SaveAs(filesave);
       delete singleCanvas;
		 //}
		 }
		}
   //}
 // }
  

}