#ifndef __CINT__
#include <stdio.h>
#include <iostream.h>
#include <fstream.h>
#include <iomanip.h>
#include <stdlib.h>

#include "TCanvas.h"
#include "TFile.h"
#include "TStyle.h"
#include "TH1.h"
#include "TH2.h"
#include "TLatex.h"
#include "TMath.h"
#include "TPad.h"
#include "TPaveText.h"
#include "TPaveLabel.h"
#include "TROOT.h"
#endif

void show_mu(TString infile)
{

	gStyle->SetPadBorderSize(0);
	gStyle->SetPadBorderMode(0);
	gStyle->SetHistFillColor(0);
	gStyle->SetPadColor(0);
	gStyle->SetFrameFillColor(0);
	gStyle->SetFillColor(0);
	gStyle->SetOptStat(10);
	gStyle->SetStatStyle(10);
 	gStyle->SetPalette(1,0);

	TCanvas *c1;
	c1=new TCanvas("mu_corr","mu_corr");
	c1->SetBorderMode(0);
	c1->SetBorderSize(0);
//	c1->SetHistFillColor(0);
//	c1->SetPadColor(0);
	c1->SetFrameFillColor(0);
	c1->SetFillColor(0);

	TFile *f = new TFile(infile);
	if (!f) { cout<<"--E-- file not found "<< infile << endl; return;}
	if (f->IsZombie()) { cout << "--E-- Error opening file: " << infile<< endl; return;}

	c1->Clear();

	TPaveLabel *ll;
	ll=new TPaveLabel(0.0,1.0,1.0,0.96,gFile->GetName());
	ll->SetBorderSize(0);
	ll->Draw();

	c1->Divide(2,2);

	TVirtualPad *p;
	p=c1->GetPad(1);
	p->SetPad(0.0,0.48,0.49,0.95);
	p->SetBorderSize(0);
	p=c1->GetPad(2);
	p->SetPad(0.5,0.48,1.0,0.95);
	p->SetBorderSize(0);
	p=c1->GetPad(3);
	p->SetPad(0.0,0.0,0.49,0.47);
	p->SetBorderSize(0);
	p=c1->GetPad(4);
	p->SetPad(0.5,0.0,1.0,0.47);
	p->SetBorderSize(0);

	TH2F *dummy1, *dummy2, *dummy3;

	c1->Update();
	c1->cd(1);
	dummy1=(TH2F*)gROOT->FindObject("Delta_Phi");
	if(dummy1){
		dummy1->Draw("colz");
	}

	c1->cd(2);
	dummy2=(TH2F*)gROOT->FindObject("Delta_Theta");
	if(dummy2){
		dummy2->Draw("colz");
	}

	c1->cd(3);
	dummy3=(TH2F*)gROOT->FindObject("Momentum");
	if(dummy3){
		dummy3->Draw("colz");
	}

	c1->cd(0);
   TString a="";
   a+=gFile->GetName();
   a+=".mu.ps";
	c1->Print(a);

	f->Close();
	delete f;

}

#ifndef __CINT
Int_t main(Int_t argc, Char_t** argv)
{
        TROOT app("show_mu_corr","compiled show_mu correlation macro");
        gROOT->SetBatch(kTRUE);
	switch( argc)
        {
		case 2:
        		show_mu(argv[1]);
        		exit(0);
		default:
                	cout << argv[0] << " <path/filename> " << endl;
                	exit(1);
        }
}
#endif