Resolve "pi0 resolution for ECal barrel"

Closes #19 (closed)

benchmarks/barrel_ecal/scripts/emcal_barrel_pions_analysis.cxx

@@ -20,6 +20,7 @@
 #include "TF1.h"
 #include "TH1D.h"
 #include <TFitResult.h>
+#include "TSystem.h"
 
 using ROOT::RDataFrame;
 using namespace ROOT::VecOps;
@@ -51,6 +52,7 @@ void emcal_barrel_pions_analysis(const char* input_fname = "sim_output/sim_emcal
        {"quantity", "resolution (in %)"},
        {"target", std::to_string(resolutionTarget)}}};
 */
+  gSystem->Exec("cp sim_output/sim_emcal_barrel_uniform_pions.root results/sim_emcal_barrel_uniform_pions.root");
   ROOT::EnableImplicitMT();
   ROOT::RDataFrame d0("events", input_fname);
 
@@ -106,7 +108,7 @@ void emcal_barrel_pions_analysis(const char* input_fname = "sim_output/sim_emcal
     return result;
   };
 
-  // Relative Energy Resolution = (Esampling - Ethrown)/Ethrown
+  // Relative Energy Resolution = (Esampling - Ethrown)/Esampling
   auto eResol_rel = [](const std::vector<double>& sampled, const std::vector<double>& thrown) {
     std::vector<double> result;
     auto it_sam = sampled.cbegin();
@@ -180,7 +182,7 @@ 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",              20, -7.5, 7.5}, "dE");//changed from 100
   auto hdE_rel      = d1.Histo1D({"hdE_rel",  "dE Relative; dE Relative; Events", 20, -7.5, 7.5}, "dE_rel");//changed from 100
-  hdE_rel->Fit("gaus", "", "", -7.5,  7.5);
+  //hdE_rel->Fit("gaus", "", "", -7.5,  7.5);
   //double* res       = hdE_rel->GetFunction("gaus")->GetParameters();
 
   //Pass/Fail
@@ -207,8 +209,8 @@ 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);
-  hdE_rel->GetFunction("gaus")->SetLineWidth(2);
-  hdE_rel->GetFunction("gaus")->SetLineColor(kRed);
+  //hdE_rel->GetFunction("gaus")->SetLineWidth(2);
+  //hdE_rel->GetFunction("gaus")->SetLineColor(kRed);
   hdE_rel->DrawClone();
   cdE_rel->SaveAs("results/emcal_barrel_pi0_dE_rel.png");
   cdE_rel->SaveAs("results/emcal_barrel_pi0_dE_rel.pdf");