{
  TChain* tags = new TChain();
  tags->AddFile("/local/workdir/testIdeal_07.005711.PythiaB_bbmu6mu4X.recon.TAG.v12000201_tid002968/testIdeal_07.005711.PythiaB_bbmu6mu4X.recon.TAG.v12000201_tid002968._01-04.root",TChain::kBigNumber,"CollectionTree");
  tags->AddFile("/local/workdir/testIdeal_07.005711.PythiaB_bbmu6mu4X.recon.TAG.v12000201_tid002968/testIdeal_07.005711.PythiaB_bbmu6mu4X.recon.TAG.v12000201_tid002968._05-09.root",TChain::kBigNumber,"CollectionTree");
  tags->AddFile("/local/workdir/testIdeal_07.005711.PythiaB_bbmu6mu4X.recon.TAG.v12000201_tid002968/testIdeal_07.005711.PythiaB_bbmu6mu4X.recon.TAG.v12000201_tid002968._10-13.root",TChain::kBigNumber,"CollectionTree");
  tags->AddFile("/local/workdir/testIdeal_07.005711.PythiaB_bbmu6mu4X.recon.TAG.v12000201_tid002968/testIdeal_07.005711.PythiaB_bbmu6mu4X.recon.TAG.v12000201_tid002968._14-17.root",TChain::kBigNumber,"CollectionTree");
  tags->AddFile("/local/workdir/testIdeal_07.005711.PythiaB_bbmu6mu4X.recon.TAG.v12000201_tid002968/testIdeal_07.005711.PythiaB_bbmu6mu4X.recon.TAG.v12000201_tid002968._18-21.root",TChain::kBigNumber,"CollectionTree");
  tags->AddFile("/local/workdir/testIdeal_07.005711.PythiaB_bbmu6mu4X.recon.TAG.v12000201_tid002968/testIdeal_07.005711.PythiaB_bbmu6mu4X.recon.TAG.v12000201_tid002968._22-25.root",TChain::kBigNumber,"CollectionTree");
  tags->AddFile("/local/workdir/testIdeal_07.005711.PythiaB_bbmu6mu4X.recon.TAG.v12000201_tid002968/testIdeal_07.005711.PythiaB_bbmu6mu4X.recon.TAG.v12000201_tid002968._26-30.root",TChain::kBigNumber,"CollectionTree");
  tags->AddFile("/local/workdir/testIdeal_07.005711.PythiaB_bbmu6mu4X.recon.TAG.v12000201_tid002968/testIdeal_07.005711.PythiaB_bbmu6mu4X.recon.TAG.v12000201_tid002968._31-34.root",TChain::kBigNumber,"CollectionTree");
  tags->AddFile("/local/workdir/testIdeal_07.005711.PythiaB_bbmu6mu4X.recon.TAG.v12000201_tid002968/testIdeal_07.005711.PythiaB_bbmu6mu4X.recon.TAG.v12000201_tid002968._35-38.root",TChain::kBigNumber,"CollectionTree");
  tags->AddFile("/local/workdir/testIdeal_07.005711.PythiaB_bbmu6mu4X.recon.TAG.v12000201_tid002968/testIdeal_07.005711.PythiaB_bbmu6mu4X.recon.TAG.v12000201_tid002968._39-50.root",TChain::kBigNumber,"CollectionTree");

  TCanvas c1("Tier2 Data Service Test - 1");
  TCanvas c2("Tier2 Data Service Test - 2");

  c1.Divide(2,3);
  c1.cd(1);
  tags.Draw("NTrk");
  c1.cd(2);
  tags.Draw("NLooseElectron");
  c1.cd(3);
  tags.Draw("NLoosePhoton");
  c1.cd(4);
  tags.Draw("NLooseMuon");
  c1.cd(5);
  tags.Draw("NTau");
  c1.cd(6);
  tags.Draw("NJet");
  c1.Print("c1.ps");

  c2.Divide(2,3);
  c2.cd(1);
  tags.Draw("VtxX");
  c2.cd(2);
  tags.Draw("VtxY");
  c2.cd(3);
  tags.Draw("VtxZ");
  c2.cd(4);
  tags.Draw("MissingET","MissingET<150000");
  c2.cd(5);
  tags.Draw("LoosePhotonPt1","NLoosePhoton>1");
  c2.cd(6);
  tags.Draw("NConvertedLoosePhoton");
  c2.Print("c2.ps");

}