Fixed the pi0 benchmarks

benchmarks/barrel_ecal/config.yml

@@ -4,6 +4,12 @@ sim:emcal_barrel_pions:
   script:
     - bash benchmarks/barrel_ecal/run_emcal_barrel_pions.sh
 
+sim:emcal_barrel_pi0:
+  extends: .det_benchmark
+  stage: simulate
+  script:
+    - bash benchmarks/barrel_ecal/run_emcal_barrel_pi0.sh
+
 sim:emcal_barrel_electrons:
   extends: .det_benchmark
   stage: simulate
@@ -26,6 +32,14 @@ bench:emcal_barrel_pions:
   script:
     - root -b -q benchmarks/barrel_ecal/scripts/emcal_barrel_pions_analysis.cxx+
 
+bench:emcal_barrel_pi0:
+  extends: .det_benchmark
+  stage: benchmarks
+  needs:
+    - ["sim:emcal_barrel_pi0"]
+  script:
+    - root -b -q benchmarks/barrel_ecal/scripts/emcal_barrel_pi0_analysis.cxx+
+
 bench:emcal_barrel_electrons:
   extends: .det_benchmark
   stage: benchmarks
@@ -52,7 +66,7 @@ collect_results:barrel_ecal:
   extends: .det_benchmark
   stage: collect
   needs: 
-    - ["bench:emcal_barrel_electrons", "bench:emcal_barrel_photons"]
+    - ["bench:emcal_barrel_electrons", "bench:emcal_barrel_photons", "bench:emcal_barrel_pions", "bench:emcal_barrel_pi0"]
   script:
     - ls -lrht
     - echo " FIX ME" 

benchmarks/barrel_ecal/run_emcal_barrel_pi0.sh

+#!/bin/bash
+
+if [[ ! -n  "${JUGGLER_DETECTOR}" ]] ; then 
+  export JUGGLER_DETECTOR="topside"
+fi
+
+if [[ ! -n  "${JUGGLER_N_EVENTS}" ]] ; then 
+  export JUGGLER_N_EVENTS=1000
+fi
+
+if [[ ! -n  "${JUGGLER_INSTALL_PREFIX}" ]] ; then 
+  export JUGGLER_INSTALL_PREFIX="/usr/local"
+fi
+
+if [[ ! -n  "${E_start}" ]] ; then
+  export E_start=5.0
+fi
+
+if [[ ! -n  "${E_end}" ]] ; then
+  export E_end=5.0
+fi
+
+export JUGGLER_FILE_NAME_TAG="emcal_barrel_uniform_pi0"
+export JUGGLER_GEN_FILE="${JUGGLER_FILE_NAME_TAG}.hepmc"
+
+export JUGGLER_SIM_FILE="sim_${JUGGLER_FILE_NAME_TAG}.root"
+export JUGGLER_REC_FILE="rec_${JUGGLER_FILE_NAME_TAG}.root"
+
+echo "JUGGLER_N_EVENTS = ${JUGGLER_N_EVENTS}"
+echo "JUGGLER_DETECTOR = ${JUGGLER_DETECTOR}"
+
+# Generate the input events
+root -b -q "benchmarks/barrel_ecal/scripts/emcal_barrel_pi0.cxx(${JUGGLER_N_EVENTS}, ${E_start}, ${E_end}, \"${JUGGLER_FILE_NAME_TAG}.hepmc\")"
+if [[ "$?" -ne "0" ]] ; then
+  echo "ERROR running script: generating input events"
+  exit 1
+fi
+# Plot the input events
+root -b -q "benchmarks/barrel_ecal/scripts/emcal_barrel_pi0_reader.cxx(${E_start}, ${E_end}, \"${JUGGLER_FILE_NAME_TAG}.hepmc\")"
+if [[ "$?" -ne "0" ]] ; then
+  echo "ERROR running script: plotting input events"
+  exit 1
+fi
+
+# Run geant4 simulations
+npsim --runType batch \
+      -v WARNING \
+      --part.minimalKineticEnergy 0.5*GeV  \
+      --numberOfEvents ${JUGGLER_N_EVENTS} \
+      --compactFile ${DETECTOR_PATH}/${JUGGLER_DETECTOR}.xml \
+      --inputFiles ${JUGGLER_FILE_NAME_TAG}.hepmc \
+      --outputFile sim_output/${JUGGLER_SIM_FILE}
+
+if [[ "$?" -ne "0" ]] ; then
+  echo "ERROR running npdet"
+  exit 1
+fi
+
+# Directory for plots
+mkdir -p results
+
+# Move ROOT output file
+#mv ${JUGGLER_REC_FILE} sim_output/
+

benchmarks/barrel_ecal/scripts/emcal_barrel_pi0.cxx

+//////////////////////////////////////////////////////////////
+// EMCAL Barrel detector
+// Single Pi0 dataset
+// M. Scott 05/2021
+//////////////////////////////////////////////////////////////
+#include "HepMC3/GenEvent.h"
+#include "HepMC3/Print.h"
+#include "HepMC3/ReaderAscii.h"
+#include "HepMC3/WriterAscii.h"
+
+#include <TMath.h>
+#include <cmath>
+#include <iostream>
+#include <math.h>
+#include <random>
+
+using namespace HepMC3;
+
+void emcal_barrel_pi0(int n_events = 1e6, double e_start = 0.0, double e_end = 30.0, const char* out_fname = "./data/emcal_barrel_pi0.hepmc") {
+  WriterAscii hepmc_output(out_fname);
+  int events_parsed = 0;
+  GenEvent evt(Units::GEV, Units::MM);
+
+  // Random number generator
+  TRandom* r1 = new TRandom();
+
+  // Constraining the solid angle, but larger than that subtended by the
+  // detector
+  // https://indico.bnl.gov/event/7449/contributions/35966/attachments/27177/41430/EIC-DWG-Calo-03192020.pdf
+  // See a figure on slide 26
+  double cos_theta_min = std::cos(M_PI * (45.0 / 180.0));
+  double cos_theta_max = std::cos(M_PI * (135.0 / 180.0));
+
+  for (events_parsed = 0; events_parsed < n_events; events_parsed++) {
+    // FourVector(px,py,pz,e,pdgid,status)
+    // type 4 is beam
+    // pdgid 11 - electron
+    // pdgid 111 - pi0 
+    // pdgid 2212 - proton
+    GenParticlePtr p1 = std::make_shared<GenParticle>(FourVector(0.0, 0.0, 10.0, 10.0), 11, 4);
+    GenParticlePtr p2 = std::make_shared<GenParticle>(FourVector(0.0, 0.0, 0.0, 0.938), 2212, 4);
+
+    // Define momentum
+    Double_t p        = r1->Uniform(e_start, e_end);
+    Double_t phi      = r1->Uniform(0.0, 2.0 * M_PI);
+    Double_t costheta = r1->Uniform(cos_theta_min, cos_theta_max);
+    Double_t theta    = std::acos(costheta);
+    Double_t px       = p * std::cos(phi) * std::sin(theta);
+    Double_t py       = p * std::sin(phi) * std::sin(theta);
+    Double_t pz       = p * std::cos(theta);
+
+    // Generates random vectors, uniformly distributed over the surface of a
+    // sphere of given radius, in this case momentum.
+    // r1->Sphere(px, py, pz, p);
+
+    // type 1 is final state
+    // pdgid 211 - pion+ 139.570 MeV/c^2
+    // pdgid 111 - pion0 134.977 MeV/c^2
+    //GenParticlePtr p3 = std::make_shared<GenParticle>(FourVector(px, py, pz, sqrt(p * p + (0.139570 * 0.139570))), 211, 1);
+    GenParticlePtr p4 = std::make_shared<GenParticle>(FourVector(px, py, pz, sqrt(p * p + (0.134977 * 0.134977))), 111, 1);
+
+    GenVertexPtr v1 = std::make_shared<GenVertex>();
+    v1->add_particle_in(p1);
+    v1->add_particle_in(p2);
+
+    //v1->add_particle_out(p3);
+    v1->add_particle_out(p4);
+    evt.add_vertex(v1);
+
+    if (events_parsed == 0) {
+      std::cout << "First event: " << std::endl;
+      Print::listing(evt);
+    }
+
+    hepmc_output.write_event(evt);
+    if (events_parsed % 10000 == 0) {
+      std::cout << "Event: " << events_parsed << std::endl;
+    }
+    evt.clear();
+  }
+  hepmc_output.close();
+  std::cout << "Events parsed and written: " << events_parsed << std::endl;
+}

benchmarks/barrel_ecal/scripts/emcal_barrel_pi0_analysis.cxx

+////////////////////////////////////////
+// Read reconstruction ROOT output file
+// Plot variables
+////////////////////////////////////////
+
+#include "ROOT/RDataFrame.hxx"
+#include <iostream>
+
+#include "dd4pod/Geant4ParticleCollection.h"
+#include "dd4pod/CalorimeterHitCollection.h"
+
+#include "benchmark.h"
+#include "mt.h"
+#include "util.h"
+
+#include "TCanvas.h"
+#include "TStyle.h"
+#include "TMath.h"
+#include "TH1.h"
+#include "TF1.h"
+#include "TH1D.h"
+#include "TFitResult.h"
+
+using ROOT::RDataFrame;
+using namespace ROOT::VecOps;
+
+void emcal_barrel_pi0_analysis(const char* input_fname = "sim_output/sim_emcal_barrel_uniform_pi0.root")
+{
+  // Setting for graphs
+  gROOT->SetStyle("Plain");
+  gStyle->SetOptFit(1);
+  gStyle->SetLineWidth(2);
+  gStyle->SetPadTickX(1);
+  gStyle->SetPadTickY(1);
+  gStyle->SetPadGridX(1);
+  gStyle->SetPadGridY(1);
+  gStyle->SetPadLeftMargin(0.14);
+  gStyle->SetPadRightMargin(0.14);
+
+  //Tests
+  std::string test_tag = "Barrel_emcal_pi0";
+  //TODO: Change test_tag to something else
+  std:string detector = "Barrel_emcal";
+  // Energy resolution in the barrel region(-1 < eta < 1)
+  // Taken from : Initial considerations for EMCal of the EIC detector by A. Bazilevsky
+  // sigma_E / E = 12% / E^0.5 convoluted with 2%
+  // sigma_E / E = [ (0.12/E^0.5)^2 + 0.02^2]^0.5, with E in [GeV]
+  double thrown_energy = 5; // Current thrown energy, will need to grab from json file
+  double resolutionTarget = TMath::Sqrt(0.12 * 0.12 / thrown_energy + 0.02 * 0.02);
+
+  eic::util::Test pi0_energy_resolution{
+      {{"name", fmt::format("{}_energy_resolution", test_tag)},
+       {"title", "Pion0 Energy resolution"},
+       {"description",
+        fmt::format("Pion0 energy resolution with {}, estimated using a Gaussian fit.", detector)},
+       {"quantity", "resolution (in %)"},
+       {"target", std::to_string(resolutionTarget)}}};
+
+
+  ROOT::EnableImplicitMT();
+  ROOT::RDataFrame d0("events", input_fname);
+
+  // Sampling Fraction
+  double samp_frac = 0.0136;
+
+  // Thrown Energy [GeV]
+  auto Ethr = [](std::vector<dd4pod::Geant4ParticleData> const& input) {
+    std::vector<double> result;
+    result.push_back(TMath::Sqrt(input[2].psx*input[2].psx + input[2].psy*input[2].psy + input[2].psz*input[2].psz + input[2].mass*input[2].mass));
+  return result;
+  };
+
+  // Number of hits
+  auto nhits = [] (const std::vector<dd4pod::CalorimeterHitData>& evt) {return (int) evt.size(); };
+
+  // Energy deposition [GeV]
+  auto Esim = [](const std::vector<dd4pod::CalorimeterHitData>& evt) {
+    std::vector<double> result;
+    auto total_edep = 0.0;
+    for (const auto& i: evt)
+      total_edep += i.energyDeposit;
+    result.push_back(total_edep);
+  return result;
+  };
+
+  // Sampling fraction = Esampling / Ethrown
+  auto fsam = [](const std::vector<double>& sampled, const std::vector<double>& thrown) {
+    std::vector<double> result;
+    auto it_sam = sampled.cbegin();
+    auto it_thr = thrown.cbegin();
+    for (; it_sam != sampled.end() && it_thr != thrown.end(); ++it_sam, ++it_thr) {
+        result.push_back(*it_sam / *it_thr);
+    }
+    return result;
+  };
+
+  // Energy Resolution = Esampling/Sampling_fraction - Ethrown
+  auto eResol = [samp_frac](const std::vector<double>& sampled, const std::vector<double>& thrown) {
+    std::vector<double> result;
+    auto it_sam = sampled.cbegin();
+    auto it_thr = thrown.cbegin();
+    for (; it_sam != sampled.end() && it_thr != thrown.end(); ++it_sam, ++it_thr) {
+        result.push_back(*it_sam / samp_frac - *it_thr);
+    }
+    return result;
+  };
+
+  // Relative Energy Resolution = (Esampling/Sampling fraction - Ethrown)/Ethrown
+  auto eResol_rel = [samp_frac](const std::vector<double>& sampled, const std::vector<double>& thrown) {
+    std::vector<double> result;
+    auto it_sam = sampled.cbegin();
+    auto it_thr = thrown.cbegin();
+    for (; it_sam != sampled.end() && it_thr != thrown.end(); ++it_sam, ++it_thr) {
+        result.push_back((*it_sam / samp_frac - *it_thr) / *it_thr);
+    }
+    return result;
+  };
+
+  // Returns the pdgID of the particle
+  auto getpid = [](std::vector<dd4pod::Geant4ParticleData> const& input) {
+    return input[2].pdgID;
+  };
+
+  // Returns number of particle daughters
+  auto getdau = [](std::vector<dd4pod::Geant4ParticleData> const& input) {
+    return input[2].daughters_begin;
+  };
+
+  // Define variables
+  auto d1 = d0.Define("Ethr",   Ethr,       {"mcparticles"})
+              .Define("nhits",  nhits,      {"EcalBarrelHits"})
+              .Define("Esim",   Esim,       {"EcalBarrelHits"})
+              .Define("fsam",   fsam,       {"Esim","Ethr"})
+              .Define("pid",    getpid,     {"mcparticles"})
+              .Define("dau",    getdau,     {"mcparticles"})
+              ;
+
+  // Define Histograms
+  auto hEthr  = d1.Histo1D({"hEthr",  "Thrown Energy; Thrown Energy [GeV]; Events",        100,  0.0,    7.5}, "Ethr");
+  auto hNhits = d1.Histo1D({"hNhits", "Number of hits per events; Number of hits; Events", 100,  0.0, 2000.0}, "nhits");
+  auto hEsim  = d1.Histo1D({"hEsim",  "Energy Deposit; Energy Deposit [GeV]; Events",      100,  0.0,    1.0}, "Esim");
+  auto hfsam  = d1.Histo1D({"hfsam",  "Sampling Fraction; Sampling Fraction; Events",      100,  0.0,    0.1}, "fsam");
+  auto hpid   = d1.Histo1D({"hpid",   "PID; PID; Count",                                   100,  -220,   220}, "pid");
+  auto hdau   = d1.Histo1D({"hdau",   "Number of Daughters; Number of Daughters; Count",   10,   0,      10},  "dau");
+
+  // Set sampling Fraction, ideally this will be taken from a json file 
+  samp_frac = hfsam -> GetMean();
+
+  auto d2 = d1.Define("dE",     eResol,     {"Esim","Ethr"})
+              .Define("dE_rel", eResol_rel, {"Esim","Ethr"})
+              ;
+
+  // Event Counts
+  auto nevents_thrown      = d1.Count();
+  std::cout << "Number of Thrown Events: " << (*nevents_thrown) << "\n";
+
+  // Draw Histograms
+  TCanvas *c1 = new TCanvas("c1", "c1", 700, 500);
+  c1->SetLogy(1);
+  hEthr->GetYaxis()->SetTitleOffset(1.4);
+  hEthr->SetLineWidth(2);
+  hEthr->SetLineColor(kBlue);
+  hEthr->DrawClone();
+  c1->SaveAs("results/emcal_barrel_pi0_Ethr.png");
+  c1->SaveAs("results/emcal_barrel_pi0_Ethr.pdf");
+
+  TCanvas *c2 = new TCanvas("c2", "c2", 700, 500);
+  c2->SetLogy(1);
+  hNhits->GetYaxis()->SetTitleOffset(1.4);
+  hNhits->SetLineWidth(2);
+  hNhits->SetLineColor(kBlue);
+  hNhits->DrawClone();
+  c2->SaveAs("results/emcal_barrel_pi0_nhits.png");
+  c2->SaveAs("results/emcal_barrel_pi0_nhits.pdf");
+
+  TCanvas *c3 = new TCanvas("c3", "c3", 700, 500);
+  c3->SetLogy(1);
+  hEsim->GetYaxis()->SetTitleOffset(1.4);
+  hEsim->SetLineWidth(2);
+  hEsim->SetLineColor(kBlue);
+  hEsim->DrawClone();
+  c3->SaveAs("results/emcal_barrel_pi0_Esim.png"); 
+  c3->SaveAs("results/emcal_barrel_pi0_Esim.pdf");
+
+  TCanvas *c4 = new TCanvas("c4", "c4", 700, 500);
+  c4->SetLogy(1);
+  hfsam->GetYaxis()->SetTitleOffset(1.4);
+  hfsam->SetLineWidth(2);
+  hfsam->SetLineColor(kBlue);
+  hfsam->Fit("gaus","","",0.005,0.1);
+  hfsam->GetFunction("gaus")->SetLineWidth(2);
+  hfsam->GetFunction("gaus")->SetLineColor(kRed);
+  hfsam->DrawClone();
+  c4->SaveAs("results/emcal_barrel_pi0_fsam.png");
+  c4->SaveAs("results/emcal_barrel_pi0_fsam.pdf");
+
+  TCanvas *c5 = new TCanvas("c5", "c5", 700, 500);
+  c5->SetLogy(1);
+  hpid->GetYaxis()->SetTitleOffset(1.4);
+  hpid->SetLineWidth(2);
+  hpid->SetLineColor(kBlue);
+  hpid->DrawClone();
+  c5->SaveAs("results/emcal_barrel_pi0_pid.png");
+  c5->SaveAs("results/emcal_barrel_pi0_pid.pdf");
+
+  TCanvas *c6 = new TCanvas("c6", "c6", 700, 500);
+  c5->SetLogy(1);
+  hdau->GetYaxis()->SetTitleOffset(1.4);
+  hdau->SetLineWidth(2);
+  hdau->SetLineColor(kBlue);
+  hdau->DrawClone();
+  c6->SaveAs("results/emcal_barrel_pi0_dau.png");
+  c6->SaveAs("results/emcal_barrel_pi0_dau.pdf");
+
+  //Energy Resolution Calculation
+  auto hdE          = d2.Histo1D({"hdE",      "dE; dE[GeV]; Events",              100, -3.0, 3.0}, "dE");
+  auto hdE_rel      = d2.Histo1D({"hdE_rel",  "dE Relative; dE Relative; Events", 100, -3.0, 3.0}, "dE_rel");
+  hdE->Fit("gaus", "", "", -3.0,  3.0);
+  double* res       = hdE->GetFunction("gaus")->GetParameters();
+  double sigmaOverE = res[2] / thrown_energy;
+
+  //Pass/Fail
+  if (sigmaOverE <= resolutionTarget) {
+    pi0_energy_resolution.pass(sigmaOverE);
+  } else {
+    pi0_energy_resolution.fail(sigmaOverE);
+  }
+  //std::printf("Energy Resolution is %f\n", res[2]);
+
+  //Energy Resolution Histogram Plotting
+  auto *cdE = new TCanvas("cdE", "cdE", 700, 500);
+  cdE->SetLogy(1);
+  hdE->GetYaxis()->SetTitleOffset(1.4);
+  hdE->SetLineWidth(2);
+  hdE->SetLineColor(kBlue);
+  hdE->GetFunction("gaus")->SetLineWidth(2);
+  hdE->GetFunction("gaus")->SetLineColor(kRed);
+  hdE->DrawClone();
+  cdE->SaveAs("results/emcal_barrel_pi0_dE.png");
+  cdE->SaveAs("results/emcal_barrel_pi0_dE.pdf");
+
+  auto *cdE_rel = new TCanvas("cdE_rel", "cdE_rel", 700, 500);
+  hdE_rel->GetYaxis()->SetTitleOffset(1.4);
+  hdE_rel->SetLineWidth(2);
+  hdE_rel->SetLineColor(kBlue);
+  hdE_rel->DrawClone();
+  cdE_rel->SaveAs("results/emcal_barrel_pi0_dE_rel.png");
+  cdE_rel->SaveAs("results/emcal_barrel_pi0_dE_rel.pdf");
+
+  eic::util::write_test({pi0_energy_resolution}, fmt::format("{}_pi0.json", detector));
+
+
+}

benchmarks/barrel_ecal/scripts/emcal_barrel_pi0_reader.cxx

+//////////////////////////
+// EMCAL Barrel detector
+// Pi0 dataset
+// M. Scott 05/2021
+//////////////////////////
+#include "HepMC3/GenEvent.h"
+#include "HepMC3/Print.h"
+#include "HepMC3/ReaderAscii.h"
+#include "HepMC3/WriterAscii.h"
+
+#include "TH1F.h"
+#include "TStyle.h"
+#include <iostream>
+
+using namespace HepMC3;
+
+void emcal_barrel_pi0_reader(double e_start = 0.0, double e_end = 30.0, const char* in_fname = "./data/emcal_barrel_pi0.hepmc") {
+  // Setting for graphs
+  gROOT->SetStyle("Plain");
+  gStyle->SetOptFit(1);
+  gStyle->SetLineWidth(1);
+  gStyle->SetPadTickX(1);
+  gStyle->SetPadTickY(1);
+  gStyle->SetPadGridX(1);
+  gStyle->SetPadGridY(1);
+  gStyle->SetPadLeftMargin(0.14);
+  gStyle->SetPadRightMargin(0.17);
+
+  ReaderAscii hepmc_input(in_fname);
+  int events_parsed = 0;
+  GenEvent evt(Units::GEV, Units::MM);
+
+  // Histograms
+  TH1F* h_pi0_energy = new TH1F("h_pi0_energy", "pi0 energy;E [GeV];Events",         100, -0.5, 30.5);
+  TH1F* h_pi0_eta    = new TH1F("h_pi0_eta",    "pi0 #eta;#eta;Events",              100, -10.0, 10.0);
+  TH1F* h_pi0_theta  = new TH1F("h_pi0_theta",  "pi0 #theta;#theta [degree];Events", 100, -0.5, 180.5);
+  TH1F* h_pi0_phi    = new TH1F("h_pi0_phi",    "pi0 #phi;#phi [degree];Events",     100, -180.5, 180.5);
+  TH2F* h_pi0_pzpt   = new TH2F("h_pi0_pzpt",   "pi0 pt vs pz;pt [GeV];pz [GeV]",    100, -0.5, 30.5, 100, -30.5, 30.5);
+  TH2F* h_pi0_pxpy   = new TH2F("h_pi0_pxpy",   "pi0 px vs py;px [GeV];py [GeV]",    100, -30.5, 30.5, 100, -30.5, 30.5);
+  TH3F* h_pi0_p      = new TH3F("h_pi0_p",      "pi0 p;px [GeV];py [GeV];pz [GeV]",  100, -30.5, 30.5, 100, -30.5, 30.5, 100, -30.5, 30.5);
+
+  while (!hepmc_input.failed()) {
+    // Read event from input file
+    hepmc_input.read_event(evt);
+    // If reading failed - exit loop
+    if (hepmc_input.failed())
+      break;
+
+    for (const auto& v : evt.vertices()) {
+      for (const auto& p : v->particles_out()) {
+        if (p->pid() == 11) {
+          h_pi0_energy->Fill(p->momentum().e());
+          h_pi0_eta->Fill(p->momentum().eta());
+          h_pi0_theta->Fill(p->momentum().theta() * TMath::RadToDeg());
+          h_pi0_phi->Fill(p->momentum().phi() * TMath::RadToDeg());
+          h_pi0_pzpt->Fill(TMath::Sqrt(p->momentum().px() * p->momentum().px() + p->momentum().py() * p->momentum().py()), p->momentum().pz());
+          h_pi0_pxpy->Fill(p->momentum().px(), p->momentum().py());
+          h_pi0_p->Fill(p->momentum().px(), p->momentum().py(), p->momentum().pz());
+        }
+      }
+    }
+    evt.clear();
+    events_parsed++;
+  }
+  std::cout << "Events parsed and written: " << events_parsed << std::endl;
+
+  TCanvas* c = new TCanvas("c", "c", 500, 500);
+  h_pi0_energy->GetYaxis()->SetTitleOffset(1.8);
+  h_pi0_energy->SetLineWidth(2);
+  h_pi0_energy->SetLineColor(kBlue);
+  h_pi0_energy->DrawClone();
+  c->SaveAs("results/input_emcal_barrel_pi0_energy.png");
+  c->SaveAs("results/input_emcal_barrel_pi0_energy.pdf");
+
+  TCanvas* c1 = new TCanvas("c1", "c1", 500, 500);
+  h_pi0_eta->GetYaxis()->SetTitleOffset(1.9);
+  h_pi0_eta->SetLineWidth(2);
+  h_pi0_eta->SetLineColor(kBlue);
+  h_pi0_eta->DrawClone();
+  c1->SaveAs("results/input_emcal_barrel_pi0_eta.png");
+  c1->SaveAs("results/input_emcal_barrel_pi0_eta.pdf");
+
+  TCanvas* c2 = new TCanvas("c2", "c2", 500, 500);
+  h_pi0_theta->GetYaxis()->SetTitleOffset(1.8);
+  h_pi0_theta->SetLineWidth(2);
+  h_pi0_theta->SetLineColor(kBlue);
+  h_pi0_theta->DrawClone();
+  c2->SaveAs("results/input_emcal_barrel_pi0_theta.png");
+  c2->SaveAs("results/input_emcal_barrel_pi0_theta.pdf");
+
+  TCanvas* c3 = new TCanvas("c3", "c3", 500, 500);
+  h_pi0_phi->GetYaxis()->SetTitleOffset(1.8);
+  h_pi0_phi->SetLineWidth(2);
+  h_pi0_phi->GetYaxis()->SetRangeUser(0.0, h_pi0_phi->GetMaximum() + 100.0);
+  h_pi0_phi->SetLineColor(kBlue);
+  h_pi0_phi->DrawClone();
+  c3->SaveAs("results/input_emcal_barrel_pi0_phi.png");
+  c3->SaveAs("results/input_emcal_barrel_pi0_phi.pdf");
+
+  TCanvas* c4 = new TCanvas("c4", "c4", 500, 500);
+  h_pi0_pzpt->GetYaxis()->SetTitleOffset(1.4);
+  h_pi0_pzpt->SetLineWidth(2);
+  h_pi0_pzpt->SetLineColor(kBlue);
+  h_pi0_pzpt->DrawClone("COLZ");
+  c4->SaveAs("results/input_emcal_barrel_pi0_pzpt.png");
+  c4->SaveAs("results/input_emcal_barrel_pi0_pzpt.pdf");
+
+  TCanvas* c5 = new TCanvas("c5", "c5", 500, 500);
+  h_pi0_pxpy->GetYaxis()->SetTitleOffset(1.4);
+  h_pi0_pxpy->SetLineWidth(2);
+  h_pi0_pxpy->SetLineColor(kBlue);
+  h_pi0_pxpy->DrawClone("COLZ");
+  c5->SaveAs("results/input_emcal_barrel_pi0_pxpy.png");
+  c5->SaveAs("results/input_emcal_barrel_pi0_pxpy.pdf");
+
+  TCanvas* c6 = new TCanvas("c6", "c6", 500, 500);
+  h_pi0_p->GetYaxis()->SetTitleOffset(1.8);
+  h_pi0_p->GetXaxis()->SetTitleOffset(1.6);
+  h_pi0_p->GetZaxis()->SetTitleOffset(1.6);
+  h_pi0_p->SetLineWidth(2);
+  h_pi0_p->SetLineColor(kBlue);
+  h_pi0_p->DrawClone();
+  c6->SaveAs("results/input_emcal_barrel_pi0_p.png");
+  c6->SaveAs("results/input_emcal_barrel_pi0_p.pdf");
+}