pl_over_get4.C

void pl_over_get4(Int_t nRoc = 6) {
  //  TCanvas *can = new TCanvas("can22","can22");
  //  can->Divide(2,2);
  TCanvas* can = new TCanvas("can", "can", 50, 0, 800, 800);
  can->Divide(2, nRoc);

  gPad->SetFillColor(0);
  gStyle->SetPalette(1);
  gStyle->SetOptStat(kTRUE);

  gROOT->cd();
  gROOT->SetDirLevel(1);

  TH1* h;
  TH1* h1;
  TH2* h2;
  // if (h!=NULL) h->Delete();

  iCan = 0;
  for (Int_t iRoc = 0; iRoc < nRoc; iRoc++) {
    can->cd(iCan++);
    gROOT->cd();
    TString hname1 = Form("Raw_Tot_gDPB_%02d", iRoc);
    h2             = (TH2*) gROOT->FindObjectAny(hname1);
    if (h2 != NULL) {
      h2->Draw("colz");
      h2->ProfileX()->Draw("same");
      gPad->SetLogz();
    } else {
      cout << hname1 << " not found" << endl;
    }

    can->cd(iCan++);
    gROOT->cd();

    TString hname2 = Form("ChCount_gDPB_%02d", iRoc);
    h2             = (TH2*) gROOT->FindObjectAny(hname2);
    if (h2 != NULL) {
      h2->Draw("colz");
      gPad->SetLogz();
      h2->ProfileX()->Draw("same");
    }
  }
  can->SaveAs(Form("pl_over_get4.pdf"));
}