void pl_over_trk(Int_t NSt = 4) {
  //  TCanvas *can = new TCanvas("can22","can22");
  //  can->Divide(2,2);
  TCanvas* can = new TCanvas("can", "can", 50, 0, 800, 800);
  can->Divide(4, 4);

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

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

  TH1* h;
  TH1* h1;
  TH2* h2;
  TH1* hAll;
  // if (h!=NULL) h->Delete();
  TString hname = "";
  Int_t iCol    = 1;

  can->cd(1);
  gROOT->cd();
  hname = Form("hTrklMulNhits");
  h2    = (TH2*) gROOT->FindObjectAny(hname);
  if (h2 != NULL) {
    h2->Draw("colz");
    gPad->SetLogz();
  } else {
    cout << hname << " not found" << endl;
  }

  can->cd(2);
  gROOT->cd();
  hname = Form("hTrklHMul");
  h2    = (TH2*) gROOT->FindObjectAny(hname);
  if (h2 != NULL) {
    h2->Draw("colz");
    gPad->SetLogz();
  } else {
    cout << hname << " not found" << endl;
  }

  can->cd(3);
  gROOT->cd();
  hname = Form("hTrklChi2");
  h2    = (TH2*) gROOT->FindObjectAny(hname);
  if (h2 != NULL) {
    h2->Draw("colz");
    gPad->SetLogz();
  } else {
    cout << hname << " not found" << endl;
  }

  can->cd(4);
  gROOT->cd();
  hname = Form("hTrklMulMaxMax-1");
  h2    = (TH2*) gROOT->FindObjectAny(hname);
  if (h2 != NULL) {
    h2->Draw("colz");
    gPad->SetLogz();
  } else {
    cout << hname << " not found" << endl;
  }

  can->cd(5);
  gROOT->cd();
  iCol = 1;
  for (Int_t iSt = 0; iSt < NSt; iSt++) {
    hname = Form("hPullX_Station_%d", iSt);
    h1    = (TH1*) gROOT->FindObjectAny(hname);
    if (h1 != NULL) {
      if (iSt == 0) {
        h1->Draw("");
        h1->SetMinimum(0.5);
        gPad->SetLogy();
      } else {
        h1->Draw("same");
      }
      if (iCol == 5 || iCol == 10) iCol++;
      h1->SetLineColor(iCol++);
    } else {
      cout << hname << " not found" << endl;
    }
  }

  can->cd(6);
  gROOT->cd();
  iCol = 1;
  for (Int_t iSt = 0; iSt < NSt; iSt++) {
    hname = Form("hPullY_Station_%d", iSt);
    h1    = (TH1*) gROOT->FindObjectAny(hname);
    if (h1 != NULL) {
      if (iSt == 0) {
        h1->Draw("");
        h1->SetMinimum(0.5);
        gPad->SetLogy();
      } else {
        h1->Draw("same");
      }
      if (iCol == 5 || iCol == 10) iCol++;
      h1->SetLineColor(iCol++);
    } else {
      cout << hname << " not found" << endl;
    }
  }

  can->cd(7);
  gROOT->cd();
  iCol = 1;
  for (Int_t iSt = 0; iSt < NSt; iSt++) {
    hname = Form("hPullZ_Station_%d", iSt);
    h1    = (TH1*) gROOT->FindObjectAny(hname);
    if (h1 != NULL) {
      if (iSt == 0) {
        h1->Draw("");
        h1->SetMinimum(0.5);
        gPad->SetLogy();
      } else {
        h1->Draw("same");
      }
      if (iCol == 5 || iCol == 10) iCol++;
      h1->SetLineColor(iCol++);
    } else {
      cout << hname << " not found" << endl;
    }
  }

  can->cd(8);
  gROOT->cd();
  iCol = 1;
  for (Int_t iSt = 0; iSt < NSt; iSt++) {
    hname = Form("hPullT_Station_%d", iSt);
    h1    = (TH1*) gROOT->FindObjectAny(hname);
    if (h1 != NULL) {
      if (iSt == 0) {
        h1->Draw("");
        h1->SetMinimum(0.5);
        gPad->SetLogy();
      } else {
        h1->Draw("same");
      }
      if (iCol == 5 || iCol == 10) iCol++;
      h1->SetLineColor(iCol++);
    } else {
      cout << hname << " not found" << endl;
    }
  }

  can->cd(9);
  gROOT->cd();
  hname = Form("hTrklXY0_0");
  h2    = (TH2*) gROOT->FindObjectAny(hname);
  if (h2 != NULL) {
    h2->Draw("colz");
    gPad->SetLogz();
  } else {
    cout << hname << " not found" << endl;
  }

  can->cd(10);
  gROOT->cd();
  hname = Form("hTrklXY0_1");
  h2    = (TH2*) gROOT->FindObjectAny(hname);
  if (h2 != NULL) {
    h2->Draw("colz");
    gPad->SetLogz();
  } else {
    cout << hname << " not found" << endl;
  }

  can->cd(11);
  gROOT->cd();
  hname = Form("hTrklTxHMul");
  h2    = (TH2*) gROOT->FindObjectAny(hname);
  if (h2 != NULL) {
    h2->Draw("colz");
    gPad->SetLogz();
  } else {
    cout << hname << " not found" << endl;
  }

  can->cd(12);
  gROOT->cd();
  hname = Form("hTrklTyHMul");
  h2    = (TH2*) gROOT->FindObjectAny(hname);
  if (h2 != NULL) {
    h2->Draw("colz");
    gPad->SetLogz();
  } else {
    cout << hname << " not found" << endl;
  }

  can->cd(13);
  gROOT->cd();
  /*************
  hname = Form("hTrklTtHMul");
  h2    = (TH2*) gROOT->FindObjectAny(hname);
  if (h2 != NULL) {
    h2->Draw("colz");
    gPad->SetLogz();
  } else {
    cout << hname << " not found" << endl;
  }
  */
  hname = Form("hCalR0");
  h1    = (TH1*) gROOT->FindObjectAny(hname);
  if (h1 != NULL) {
    h1->Draw("");
    gPad->SetLogy();
  } else {
    cout << hname << " not found" << endl;
  }

  can->cd(14);
  gROOT->cd();
  hname = Form("hAllHitsStation");
  h1    = (TH1*) gROOT->FindObjectAny(hname);
  if (h1 != NULL) {
    h1->Draw("");
    h1->SetMinimum(0.1 * h1->GetMaximum());
    gPad->SetLogy();
    hAll = (TH1*) h1->Clone();
  } else {
    cout << hname << " not found" << endl;
  }
  hname = Form("hUsedHitsStation");
  h1    = (TH1*) gROOT->FindObjectAny(hname);
  if (h1 != NULL) {
    h1->Draw("same");
    h1->SetLineColor(2);
    TH1* hEff = (TH1*) h1->Clone();
    hEff->Divide(h1, hAll, 1., 1., "B");

    can->cd(15);
    hEff->Draw();

  } else {
    cout << hname << " not found" << endl;
  }
  can->cd(16);
  gROOT->cd();
  hname = Form("hTrklVelHMul");
  h2    = (TH2*) gROOT->FindObjectAny(hname);
  if (h2 != NULL) {
    h2->Draw("colz");
    gPad->SetLogz();
  } else {
    cout << hname << " not found" << endl;
  }
  can->SaveAs("pl_over_trk.pdf");
}