pl_over_cor.C

void pl_over_cor(Int_t SmT       = 9,
                 Int_t iSm       = 0,
                 Int_t iRpc      = 0,
                 Double_t yRange = 3.) {
  //  TCanvas *can = new TCanvas("can22","can22");
  //  can->Divide(2,2);
  TCanvas* can = new TCanvas("can", "can", 50, 0, 800, 800);
  can->Divide(3, 3);

  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();
  Int_t iNch = 0;

  can->cd(1);
  // gROOT->cd();
  gDirectory->pwd();

  TString hname = Form("cl_CorSmT%d_sm%03d_rpc%03d_Pos_pfx", SmT, iSm, iRpc);
  h1            = (TH1*) gDirectory->FindObjectAny(hname);
  if (h1 != NULL) {
    h1->Draw("colz");
    gPad->SetLogz();
    iNch = h1->GetNbinsX();
  } else {
    cout << hname << " not found" << endl;
  }

  can->cd(2);
  // gROOT->cd();
  hname = Form("cl_CorSmT%d_sm%03d_rpc%03d_TOff_pfx", SmT, iSm, iRpc);
  h2    = (TH2*) gDirectory->FindObjectAny(hname);
  if (h2 != NULL) {
    h2->Draw("colz");
    gPad->SetLogz();
  } else {
    cout << hname << " not found" << endl;
  }

  can->cd(3);
  // gROOT->cd();
  hname = Form("cl_CorSmT%d_sm%03d_rpc%03d_Tot_Mean", SmT, iSm, iRpc);
  h2    = (TH2*) gDirectory->FindObjectAny(hname);
  if (h2 != NULL) {
    h2->Draw();
    gPad->SetLogz();
  } else {
    cout << hname << " not found" << endl;
  }

  can->cd(4);
  // gROOT->cd();
  for (Int_t iCh = 0; iCh < iNch; iCh++) {
    hname =
      Form("Cor_SmT%d_sm%03d_rpc%03d_Ch%03d_S0_Walk_px", SmT, iSm, iRpc, iCh);
    h2 = (TH2*) gDirectory->FindObjectAny(hname);
    if (h2 != NULL) {
      if (iCh == 0) {
        h2->Draw("");
        h2->SetMinimum(-yRange);
        h2->SetMaximum(yRange);
      } else {
        h2->Draw("same");
      }
      h2->SetLineColor(iCh + 1);
      //  h2->UseCurrentStyle();
      //  gPad->SetLogz();
    } else {
      cout << hname << " not found" << endl;
    }
  }

  can->cd(5);
  for (Int_t iCh = 0; iCh < iNch; iCh++) {
    hname =
      Form("Cor_SmT%d_sm%03d_rpc%03d_Ch%03d_S1_Walk_px", SmT, iSm, iRpc, iCh);
    h2 = (TH2*) gDirectory->FindObjectAny(hname);
    if (h2 != NULL) {
      if (iCh == 0) {
        h2->Draw("");
        h2->SetMinimum(-yRange);
        h2->SetMaximum(yRange);
      } else {
        h2->Draw("same");
      }
      h2->SetLineColor(iCh + 1);
      //  gPad->SetLogz();
    } else {
      cout << hname << " not found" << endl;
    }
  }

  can->cd(6);
  // gROOT->cd();
  // TString hname=Form("cl_SmT%d_sm%03d_rpc%03d_Mul",SmT,iSm,iRpc);
  hname = Form("cl_CorSmT%d_sm%03d_rpc%03d_Tot_Off", SmT, iSm, iRpc);
  h1    = (TH1*) gDirectory->FindObjectAny(hname);
  if (h1 != NULL) {
    h1->Draw();
    gPad->SetLogy();
  } else {
    cout << hname << " not found" << endl;
  }

  can->cd(7);
  Int_t iNSel = 2;
  for (Int_t iTr = 0; iTr < iNSel; iTr++) {
    hname =
      Form("cl_CorSmT%d_sm%03d_rpc%03d_Sel%02d_DelTof", SmT, iSm, iRpc, iTr);
    h2 = (TH2*) gDirectory->FindObjectAny(hname);
    if (h2 != NULL) {
      if (iTr == 0) {
        h2->Draw("");
        h2->SetMinimum(-yRange);
        h2->SetMaximum(yRange);
      } else {
        h2->Draw("same");
      }
      h2->SetLineColor(iTr + 1);
      //  gPad->SetLogz();
    } else {
      cout << hname << " not found" << endl;
    }
  }
}