bcal_shower.C

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// hnamepath: /bcal/bcal_shower_plane
// hnamepath: /bcal/bcal_shower_t
// hnamepath: /bcal/bcal_shower_z   


{
   gStyle->SetOptStat(111110);   
   gStyle->SetStatX(0.99);
   gStyle->SetStatY(0.99);
   gStyle->SetStatW(0.25);

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

   TH1I *h1 = (TH1I*)gDirectory->FindObjectAny("bcal_shower_plane");
   TH1I *h2 = (TH1I*)gDirectory->FindObjectAny("bcal_shower_z");
   TH1I *h3 = (TH1I*)gDirectory->FindObjectAny("bcal_shower_t");

   // Just for testing
   if(gPad == NULL){
      TCanvas *c1 = new TCanvas("c1");
      c1->cd(0);
      c1->Draw();
      c1->Update();
   }
   
   if(!gPad) return;
   TCanvas *c1 = gPad->GetCanvas();
   c1->Divide(2, 2);
   
   c1->cd(1);
   gPad->SetTicks();
   gPad->SetGrid();
   if(h1) h1->Draw("colz");

   c1->cd(2);
   gPad->SetTicks();
   gPad->SetGrid();
   gPad->SetLogy();
   if(h2) h2->Draw();

   c1->cd(3);
   gPad->SetTicks();
   gPad->SetGrid();
   gPad->SetLogy();
   if(h3) h3->Draw();

}