HistMacro_Kinematics_p1.C

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// hnamepath: /Independent/Hist_DetectedParticleKinematics/PID/BetaVsP_Q+
// hnamepath: /Independent/Hist_DetectedParticleKinematics/PID/BetaVsP_Q-
// hnamepath: /Independent/Hist_DetectedParticleKinematics/Photon/PVsTheta
// hnamepath: /Independent/Hist_DetectedParticleKinematics/Photon/PhiVsTheta

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

   //Get Histograms
   gDirectory->cd("PID");
   TH2I* locHist_BetaVsPQPlus = (TH2I*)gDirectory->Get("BetaVsP_Q+");
   TH2I* locHist_BetaVsPQMinus = (TH2I*)gDirectory->Get("BetaVsP_Q-");
   gDirectory->cd("../Photon");
   TH2I* locHist_PVsTheta_Photon = (TH2I*)gDirectory->Get("PVsTheta");
   TH2I* locHist_PhiVsTheta_Photon = (TH2I*)gDirectory->Get("PhiVsTheta");

   //Beta-vs-p functions
   TF1* locBetaVsPFunc_Proton = new TF1("BetaVsPFunc_Proton", "x/sqrt(x*x + [0]*[0])", 0.0, 12.0);
   locBetaVsPFunc_Proton->SetParameter(0, 0.938272046);
   locBetaVsPFunc_Proton->SetLineWidth(2);
   locBetaVsPFunc_Proton->SetLineColor(kBlack);
   locBetaVsPFunc_Proton->SetNpx(1000);

   TF1* locBetaVsPFunc_Kaon = new TF1("BetaVsPFunc_Kaon", "x/sqrt(x*x + [0]*[0])", 0.0, 12.0);
   locBetaVsPFunc_Kaon->SetParameter(0, 0.493677);
   locBetaVsPFunc_Kaon->SetLineWidth(2);
   locBetaVsPFunc_Kaon->SetLineColor(kBlack);
   locBetaVsPFunc_Kaon->SetNpx(1000);

   TF1* locBetaVsPFunc_Pion = new TF1("BetaVsPFunc_Pion", "x/sqrt(x*x + [0]*[0])", 0.0, 12.0);
   locBetaVsPFunc_Pion->SetParameter(0, 0.13957018);
   locBetaVsPFunc_Pion->SetLineWidth(2);
   locBetaVsPFunc_Pion->SetLineColor(kBlack);
   locBetaVsPFunc_Pion->SetNpx(1000);

   //Get/Make Canvas
   TCanvas *locCanvas = NULL;
   if(TVirtualPad::Pad() == NULL)
      locCanvas = new TCanvas("Kinematics_p1", "Kinematics_p1", 1200, 800); //for testing
   else
      locCanvas = gPad->GetCanvas();
   locCanvas->Divide(2, 2);

   //Draw
   locCanvas->cd(1);
   gPad->SetTicks();
   gPad->SetGrid();
   if(locHist_BetaVsPQPlus != NULL)
   {
      locHist_BetaVsPQPlus->GetXaxis()->SetRangeUser(0.0, 6.0);
      locHist_BetaVsPQPlus->GetXaxis()->SetTitleSize(0.05);
      locHist_BetaVsPQPlus->GetYaxis()->SetTitleSize(0.05);
      locHist_BetaVsPQPlus->GetXaxis()->SetLabelSize(0.05);
      locHist_BetaVsPQPlus->GetYaxis()->SetLabelSize(0.05);
      locHist_BetaVsPQPlus->GetListOfFunctions()->Add(locBetaVsPFunc_Proton);
      locHist_BetaVsPQPlus->GetListOfFunctions()->Add(locBetaVsPFunc_Kaon);
      locHist_BetaVsPQPlus->GetListOfFunctions()->Add(locBetaVsPFunc_Pion);
      locHist_BetaVsPQPlus->Draw("COLZ");
                gPad->SetLogz();
   }

   locCanvas->cd(2);
   gPad->SetTicks();
   gPad->SetGrid();
   if(locHist_BetaVsPQMinus != NULL)
   {
      locHist_BetaVsPQMinus->GetXaxis()->SetRangeUser(0.0, 6.0);
      locHist_BetaVsPQMinus->GetXaxis()->SetTitleSize(0.05);
      locHist_BetaVsPQMinus->GetYaxis()->SetTitleSize(0.05);
      locHist_BetaVsPQMinus->GetXaxis()->SetLabelSize(0.05);
      locHist_BetaVsPQMinus->GetYaxis()->SetLabelSize(0.05);
      locHist_BetaVsPQMinus->GetListOfFunctions()->Add(locBetaVsPFunc_Pion);
      locHist_BetaVsPQMinus->GetListOfFunctions()->Add(locBetaVsPFunc_Kaon);
      locHist_BetaVsPQMinus->Draw("COLZ");
                gPad->SetLogz();
   }

   locCanvas->cd(3);
   gPad->SetTicks();
   gPad->SetGrid();
   if(locHist_PVsTheta_Photon != NULL)
   {
      locHist_PVsTheta_Photon->GetXaxis()->SetTitleSize(0.05);
      locHist_PVsTheta_Photon->GetYaxis()->SetTitleSize(0.05);
      locHist_PVsTheta_Photon->GetXaxis()->SetLabelSize(0.05);
      locHist_PVsTheta_Photon->GetYaxis()->SetLabelSize(0.05);
      locHist_PVsTheta_Photon->Draw("COLZ");
   }

   locCanvas->cd(4);
   gPad->SetTicks();
   gPad->SetGrid();
   if(locHist_PhiVsTheta_Photon != NULL)
   {
      locHist_PhiVsTheta_Photon->GetXaxis()->SetTitleSize(0.05);
      locHist_PhiVsTheta_Photon->GetYaxis()->SetTitleSize(0.05);
      locHist_PhiVsTheta_Photon->GetXaxis()->SetLabelSize(0.05);
      locHist_PhiVsTheta_Photon->GetYaxis()->SetLabelSize(0.05);
      locHist_PhiVsTheta_Photon->Draw("COLZ");
   }
}