Resolve "pi0 resolution for ECal barrel"

Closes #19 (closed)

benchmarks/barrel_ecal/scripts/emcal_barrel_pions_analysis.cxx

@@ -9,9 +9,9 @@
 #include "dd4pod/Geant4ParticleCollection.h"
 #include "dd4pod/CalorimeterHitCollection.h"
 
-#include <detector_benchmarks/include/benchmark.h>
-#include <mt.h>
-#include <util.h>
+//#include <detector_benchmarks/include/benchmark.h>
+//#include "mt.h"
+//#include "util.h"
 
 #include "TCanvas.h"
 #include "TStyle.h"
@@ -19,6 +19,7 @@
 #include "TH1.h"
 #include "TF1.h"
 #include "TH1D.h"
+#include <TFitResult.h>
 
 using ROOT::RDataFrame;
 using namespace ROOT::VecOps;
@@ -145,8 +146,10 @@ void emcal_barrel_pions_analysis(const char* input_fname = "sim_output/sim_emcal
   //Energy Resolution Work
   auto hdE          = d1.Histo1D({"hdE",      "dE; dE[GeV]; Events",              100, -7.5, 7.5}, "dE");
   auto hdE_rel      = d1.Histo1D({"hdE_rel",  "dE Relative; dE Relative; Events", 100, -7.5, 7.5}, "dE_rel");
-  auto f1           = hdE_rel->Fit("gaus", "S");
+  TFitResultPtr f1  = hdE_rel->Fit("gaus", "S");
   const double* res = f1->GetParams();
+  auto tf1          = new TF1("", "TMath::Gaus(x, [0], [1], [2])", -7.5, 7.5);
+  tf1               -> SetParameters(res[0], res[1], res[2]); 
 
   //Pass/Fail
   /*
@@ -160,7 +163,7 @@ void emcal_barrel_pions_analysis(const char* input_fname = "sim_output/sim_emcal
 
   //Energy Resolution Histogram Plotting
   auto *cdE = new TCanvas("cdE", "cdE", 700, 500);
-  cDE->SetLogy(1);
+  cdE->SetLogy(1);
   hdE->GetYaxis()->SetTitleOffset(1.4);
   hdE->SetLineWidth(2);
   hdE->SetLineColor(kBlue);
@@ -172,10 +175,10 @@ void emcal_barrel_pions_analysis(const char* input_fname = "sim_output/sim_emcal
   hdE_rel->GetYaxis()->SetTitleOffset(1.4);
   hdE_rel->SetLineWidth(2);
   hdE_rel->SetLineColor(kBlue);
-  f1->SetLineWidth(2);
-  f1->SetLineColor(kRed);
+  tf1->SetLineWidth(2);
+  tf1->SetLineColor(kRed);
   hdE_rel->DrawClone();
-  f1->Draw("SAME");
+  tf1->Draw("SAME");
   cdE_rel->SaveAs("results/emcal_barrel_pi0_dE_rel.png");
   cdE_rel->SaveAs("results/emcal_barrel_pi0_dE_rel.pdf");