#include "TROOT.h"
#include "TCanvas.h"
#include "TFile.h"
#include <iostream>
#include "TMapFile.h"

int main()
{
  TCanvas *c1;
  TMapFile *mfile;
  if(!TROOT::Initialized()) 
    {
      static TROOT TestRoot("TestROOT","ROOT");
      cout << " initialized ROOT" << endl;
    }
  const char *path = gROOT->GetPath();
  bool batch = gROOT->IsBatch();
  gROOT->SetBatch(kTRUE);
  mfile = TMapFile::Create("test.map","RECREATE",50000,
 			   "test memory mapped file");
  gROOT->Cd(path);
  // create the graphic objects in batch mode
  c1 = new TCanvas("CMUDCanvas","CMUD plots",200,10,700,500);
  c1->Draw();
  c1->Modified();
  c1->Update();
  gROOT->SetBatch(batch);
  gROOT->Cd(path);
  // add to the mapfile 
  mfile->Add(c1);
  mfile->Update();
  TFile *f = new TFile("test.root","RECREATE");
  c1->Write();
  gROOT->Cd(path);// return to old scope
  f->Close();
  mfile->Close();
}