HistMacro_Vertex.C

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// hnamepath: /highlevel/EventVertexZ
// hnamepath: /highlevel/EventVertexYVsX
//
// e-mail: davidl@jlab.org
// e-mail: staylor@jlab.org
// e-mail: sdobbs@jlab.org
// e-mail: tbritton@jlab.org
//

//EventVertexZ
//EventVertexYVsX

{
   TDirectory *locTopDirectory = gDirectory;

   //Goto Beam Path
   TDirectory *locDirectory = (TDirectory*)gDirectory->FindObjectAny("highlevel");
   if(!locDirectory)
      return;
   locDirectory->cd();

   TH1* locHist_EventVertexZ = (TH1*)gDirectory->Get("EventVertexZ");
   TH2* locHist_EventVertexYVsX = (TH2*)gDirectory->Get("EventVertexYVsX");

   //Get/Make Canvas
   TCanvas *locCanvas = NULL;
   if(TVirtualPad::Pad() == NULL)
      locCanvas = new TCanvas("Vertex", "Vertex", 1200, 600); //for testing
   else
      locCanvas = gPad->GetCanvas();
   locCanvas->Divide(2, 1);

   //Draw
   locCanvas->cd(1);
   gPad->SetTicks();
   gPad->SetGrid();
   if(locHist_EventVertexZ != NULL)
   {
      locHist_EventVertexZ->GetXaxis()->SetTitleSize(0.05);
      locHist_EventVertexZ->GetYaxis()->SetTitleSize(0.05);
      locHist_EventVertexZ->GetXaxis()->SetLabelSize(0.05);
      locHist_EventVertexZ->GetYaxis()->SetLabelSize(0.035);
      locHist_EventVertexZ->Draw();
   }

   locCanvas->cd(2);
   gPad->SetTicks();
   gPad->SetGrid();
   if(locHist_EventVertexYVsX != NULL)
   {
      locHist_EventVertexYVsX->GetXaxis()->SetTitleSize(0.05);
      locHist_EventVertexYVsX->GetYaxis()->SetTitleSize(0.045);
      locHist_EventVertexYVsX->GetXaxis()->SetLabelSize(0.05);
      locHist_EventVertexYVsX->GetYaxis()->SetLabelSize(0.05);
      locHist_EventVertexYVsX->Draw("colz");
      gPad->SetLogz();
      gPad->Update();
   }
}