ccal_comp2.C

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// hnamepath: /ccal/comp_cxy
// hnamepath: /ccal/comp_fxy
// hnamepath: /ccal/comp_bcdt_full
// hnamepath: /ccal/comp_bcdt
// hnamepath: /ccal/comp_fcdt

{

  TDirectory *dir = (TDirectory*)gDirectory->FindObjectAny("ccal");
  if(dir) dir->cd();

  TH2F* comp_cxy  = (TH2F*)gDirectory->FindObjectAny( "comp_cxy" );
  TH2F* comp_fxy  = (TH2F*)gDirectory->FindObjectAny( "comp_fxy" );
  TH1F* comp_bcdt_full = (TH1F*)gDirectory->FindObjectAny( "comp_bcdt_full" );
  TH1F* comp_bcdt = (TH1F*)gDirectory->FindObjectAny( "comp_bcdt" );
  TH1F* comp_fcdt = (TH1F*)gDirectory->FindObjectAny( "comp_fcdt" );
 
  if(gPad == NULL){

    TCanvas *c1 = new TCanvas( "c1", "CCAL Compton Monitor", 800, 800 );
    c1->cd(0);
    c1->Draw();
    c1->Update();
  }

  if( !gPad ) return;
  TCanvas* c1 = gPad->GetCanvas();
  c1->Divide( 2, 2 );

  if( comp_cxy ){

    comp_cxy->SetStats( 0 );
    comp_cxy->GetXaxis()->SetRangeUser(-10.4,10.4);
    comp_cxy->GetYaxis()->SetRangeUser(-10.4,10.4);
    //TPad *p1 = (TPad*)c1->cd( 1 );
    //p1->SetLogz();
    c1->cd( 1 );
    comp_cxy->Draw("COLZ");
  }
  
  if( comp_fxy ){

    comp_fxy->SetStats( 0 );
    comp_fxy->GetXaxis()->SetTitle("x_{fcal} [cm]");
    comp_fxy->GetYaxis()->SetTitle("y_{fcal} [cm]");
    c1->cd( 2 );
    comp_fxy->Draw("COLZ");
  }

  if( comp_bcdt_full && comp_bcdt ){

    comp_bcdt_full->SetStats( 0 );
    comp_bcdt->SetStats( 0 );

    comp_bcdt_full->SetLineColor( kBlack );
    comp_bcdt->SetLineColor( kRed );

    comp_bcdt_full->GetXaxis()->SetRangeUser(10,80);
    comp_bcdt->GetXaxis()->SetRangeUser(10,80);

    comp_bcdt_full->SetTitle("CCAL Shower Time - Beam Time");
    comp_bcdt_full->GetXaxis()->SetTitle("t_{ccal}-t_{beam} [ns]");

    c1->cd( 3 );
    comp_bcdt_full->Draw();
    //comp_bcdt->Draw("same");
  }

  if( comp_fcdt ){

    comp_fcdt->SetStats( 0 );
    comp_fcdt->GetXaxis()->SetRangeUser(0,40);
    c1->cd( 4 );
    comp_fcdt->Draw();
  }

}