{ TFile *myFile = new TFile("incoherent.root","READ"); myFile->ls(); TCanvas *myCanvas = new TCanvas("c","INCOHERENT",0,0,600,400); myCanvas->Divide(2,2); myCanvas->cd(1); Int_t type=111; TH1F *h1=h1; TH1F *h2=h2; h1->Draw(); myCanvas->cd(2); h2->Draw(); myCanvas->Print("incoherent.eps"); }