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Copy pathreco_effic_update_analyser.c
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reco_effic_update_analyser.c
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#include "AnalysisEvent.h"
#include "EventAssembler.h"
#include "SliceAssembler.h"
#include "PlotFunctions.h"
#include "DisplayAssembler.h"
#include "TH1D.h"
#include "TCanvas.h"
#include "TEfficiency.h"
#include "TLegend.h"
#include "TGaxis.h"
#include <iostream>
#include <vector>
// Function to plot efficiencies with dynamic x-axis range
void plot_efficiency(TEfficiency* mu_effic, TEfficiency* piplus_effic, TEfficiency* piminus_effic,
const char* x_axis_label, const char* output_filename,
double x_min, double x_max)
{
TCanvas* c = new TCanvas("c", "", 800, 600);
c->SetLogx();
// Muon efficiency plot
mu_effic->SetConfidenceLevel(0.68);
mu_effic->SetStatisticOption(TEfficiency::kBUniform);
mu_effic->SetPosteriorMode();
mu_effic->SetLineColor(kBlue);
mu_effic->SetMarkerColor(kBlue);
mu_effic->SetMarkerStyle(5);
mu_effic->SetMarkerSize(2);
mu_effic->SetLineWidth(1);
mu_effic->Draw("AP");
// Pion-plus efficiency plot
piplus_effic->SetConfidenceLevel(0.68);
piplus_effic->SetStatisticOption(TEfficiency::kBUniform);
piplus_effic->SetPosteriorMode();
piplus_effic->SetLineColor(kRed);
piplus_effic->SetMarkerColor(kRed);
piplus_effic->SetMarkerStyle(5);
piplus_effic->SetMarkerSize(2);
piplus_effic->SetLineWidth(1);
piplus_effic->Draw("P same");
// Pion-minus efficiency plot
piminus_effic->SetConfidenceLevel(0.68);
piminus_effic->SetStatisticOption(TEfficiency::kBUniform);
piminus_effic->SetPosteriorMode();
piminus_effic->SetLineColor(kGreen + 2);
piminus_effic->SetMarkerColor(kGreen + 2);
piminus_effic->SetMarkerStyle(5);
piminus_effic->SetMarkerSize(2);
piminus_effic->SetLineWidth(1);
piminus_effic->Draw("P same");
// Update canvas and set axis ranges
c->Update();
mu_effic->GetPaintedGraph()->GetYaxis()->SetRangeUser(0, 1);
mu_effic->GetPaintedGraph()->GetXaxis()->SetRangeUser(x_min, x_max); // Set x-axis range dynamically
piplus_effic->GetPaintedGraph()->GetXaxis()->SetRangeUser(x_min, x_max);
piminus_effic->GetPaintedGraph()->GetXaxis()->SetRangeUser(x_min, x_max);
// Add legend with LaTeX symbols for muon and pion
TLegend* l = new TLegend(0.1, 0.91, 0.9, 0.99);
l->SetNColumns(3);
l->SetBorderSize(0);
l->AddEntry(mu_effic, "#mu Efficiency", "P"); // LaTeX symbol for Muon
l->AddEntry(piplus_effic, "#pi^{+} Efficiency", "P"); // LaTeX symbol for Pion-Plus
l->AddEntry(piminus_effic, "#pi^{-} Efficiency", "P"); // LaTeX symbol for Pion-Minus
l->Draw();
// Save the plot
c->SaveAs(output_filename);
// Cleanup
delete c;
}
void reco_effic_update_analyser()
{
const char* data_dir = getenv("DATA_DIR");
std::string input_file = std::string(data_dir) + "/prod_strange_resample_fhc_run2_fhc_reco2_reco2_signalfilter_1000_analysis.root";
const EventAssembler& event_assembler = EventAssembler::instance(input_file);
int num_events = event_assembler.get_num_events();
int n_bins = 8;
double x_min = 0.1;
double x_max = 3.14;
// Efficiency objects for true energy and momentum
TEfficiency* mu_effic = new TEfficiency("mu_effic", "Muon Efficiency;True Particle Energy [GeV]; Recognition Efficiency", n_bins, x_min, x_max);
TEfficiency* piplus_effic = new TEfficiency("piplus_effic", "Pion-Plus Efficiency;True Particle Energy [GeV]; Recognition Efficiency", n_bins, x_min, x_max);
TEfficiency* piminus_effic = new TEfficiency("piminus_effic", "Pion-Minus Efficiency;True Particle Energy [GeV]; Recognition Efficiency", n_bins, x_min, x_max);
TEfficiency* mu_mom_effic = new TEfficiency("mu_mom_effic", "Muon Efficiency;True Particle Momentum [GeV/c]; Recognition Efficiency", n_bins, x_min, x_max);
TEfficiency* piplus_mom_effic = new TEfficiency("piplus_mom_effic", "Pion-Plus Efficiency;True Particle Momentum [GeV/c]; Recognition Efficiency", n_bins, x_min, x_max);
TEfficiency* piminus_mom_effic = new TEfficiency("piminus_mom_effic", "Pion-Minus Efficiency;True Particle Momentum [GeV/c]; Recognition Efficiency", n_bins, x_min, x_max);
TEfficiency* mu_mom_kshrt_energy = new TEfficiency("mu_mom_effic", "Muon Efficiency;True Kaon-Short Energy [GeV]; Recognition Efficiency", n_bins, x_min, x_max);
TEfficiency* piplus_mom_kshrt_energy = new TEfficiency("piplus_mom_effic", "Pion-Plus Efficiency;True Kaon-Short Energy [GeV]; Recognition Efficiency", n_bins, x_min, x_max);
TEfficiency* piminus_mom_kshrt_energy = new TEfficiency("piminus_mom_effic", "Pion-Minus Efficiency;True Kaon-Short Energy [GeV]; Recognition Efficiency", n_bins, x_min, x_max);
int n_bins_sep = 100;
double x_min_sep = 0.1;
double x_max_sep = 100;
TEfficiency* mu_mom_kshrt_sep = new TEfficiency("mu_mom_effic", "Muon Efficiency;True Kaon-Short Decay Distance []; Recognition Efficiency", n_bins_sep, x_min_sep, x_max_sep);
TEfficiency* piplus_mom_kshrt_sep = new TEfficiency("piplus_mom_effic", "Pion-Plus Efficiency;True Kaon-Short Decay Distance []; Recognition Efficiency", n_bins_sep, x_min_sep, x_max_sep);
TEfficiency* piminus_mom_kshrt_sep = new TEfficiency("piminus_mom_effic", "Pion-Minus Efficiency;True Kaon-Short Decay Distance []; Recognition Efficiency", n_bins_sep, x_min_sep, x_max_sep);
int n_bins_ang = 8;
double x_min_ang = 0;
double x_max_ang = 3.14;
TEfficiency* mu_mom_open_angle = new TEfficiency("mu_mom_effic", "Muon Efficiency;True Decay Opening Angle [rad]; Recognition Efficiency", n_bins_ang, x_min_ang, x_max_ang);
TEfficiency* piplus_mom_open_angle = new TEfficiency("piplus_mom_effic", "Pion-Plus Efficiency;True Decay Opening Angle [rad]; Recognition Efficiency", n_bins_ang, x_min_ang, x_max_ang);
TEfficiency* piminus_mom_open_angle = new TEfficiency("piminus_mom_effic", "Pion-Minus Efficiency;True Decay Opening Angle [rad]; Recognition Efficiency", n_bins_ang, x_min_ang, x_max_ang);
/*int n_bins_w = 10;
double x_min_w = 0;
double x_max_w = -1;
TEfficiency* mu_w = new TEfficiency("", ";True Event Invariant Mass [GeV]; Recognition Efficiency", n_bins_w, x_min_w, x_max_w);
TEfficiency* piplus_w = new TEfficiency("", ";True Event Invariant Mass [GeV]; Recognition Efficiency", n_bins_w, x_min_w, x_max_w);
TEfficiency* piminus_w = new TEfficiency("", ";True Event Invariant Mass [GeV]; Recognition Efficiency", n_bins_w, x_min_w, x_max_w);*/
int mu_filled = 0, piplus_filled = 0, piminus_filled = 0, kshort_filled = 0;
// Loop over events and fill efficiencies
for (int i = 0; i < num_events; ++i) {
const AnalysisEvent& event = event_assembler.get_event(i);
if (!event.mc_has_muon) continue;
if (!event.mc_is_kshort_decay_pionic) continue;
float kshrt_energy = event.mc_kshrt_total_energy;
float kshrt_sep = event.mc_kshrt_end_sep;
TVector3 piplus_vec(event.mc_kshrt_piplus_px, event.mc_kshrt_piplus_py, event.mc_kshrt_piplus_pz);
TVector3 piminus_vec(event.mc_kshrt_piminus_px, event.mc_kshrt_piminus_py, event.mc_kshrt_piminus_pz);
float angle_deg = piplus_vec.Angle(piminus_vec);
// Muon reconstruction analysis
if (event.mc_muon_tid) {
float energy = event.mc_muon_energy;
float momentum = std::sqrt(event.mc_muon_px * event.mc_muon_px +
event.mc_muon_py * event.mc_muon_py +
event.mc_muon_pz * event.mc_muon_pz);
bool found_candidate = false;
if (event.pfp_muon_purity && event.pfp_muon_completeness) {
for (size_t pfp_idx = 0; pfp_idx < event.pfp_muon_purity->size(); ++pfp_idx) {
float purity = event.pfp_muon_purity->at(pfp_idx);
float completeness = event.pfp_muon_completeness->at(pfp_idx);
if (purity >= 0.5 && completeness >= 0.1) {
mu_effic->Fill(true, energy);
mu_mom_effic->Fill(true, momentum);
mu_mom_kshrt_energy->Fill(true, kshrt_energy);
mu_mom_kshrt_sep->Fill(true, kshrt_sep);
mu_mom_open_angle->Fill(true, angle_deg);
mu_filled++;
found_candidate = true;
break;
}
}
}
if (!found_candidate) {
mu_effic->Fill(false, energy);
mu_mom_effic->Fill(false, momentum);
mu_mom_kshrt_energy->Fill(false, kshrt_energy);
mu_mom_kshrt_sep->Fill(false, kshrt_sep);
mu_mom_open_angle->Fill(false, angle_deg);
}
}
// Pion-plus reconstruction analysis
if (event.mc_kshrt_piplus_tid) {
float energy = event.mc_kshrt_piplus_energy;
float momentum = std::sqrt(event.mc_kshrt_piplus_px * event.mc_kshrt_piplus_px +
event.mc_kshrt_piplus_py * event.mc_kshrt_piplus_py +
event.mc_kshrt_piplus_pz * event.mc_kshrt_piplus_pz);
bool found_candidate = false;
if (event.pfp_piplus_purity && event.pfp_piplus_completeness) {
for (size_t pfp_idx = 0; pfp_idx < event.pfp_piplus_purity->size(); ++pfp_idx) {
float purity = event.pfp_piplus_purity->at(pfp_idx);
float completeness = event.pfp_piplus_completeness->at(pfp_idx);
if (purity >= 0.5 && completeness >= 0.1) {
piplus_effic->Fill(true, energy);
piplus_mom_effic->Fill(true, momentum);
piplus_mom_kshrt_energy->Fill(true, kshrt_energy);
piplus_mom_kshrt_sep->Fill(true, kshrt_sep);
piplus_mom_open_angle->Fill(true, angle_deg);
piplus_filled++;
found_candidate = true;
break;
}
}
}
if (!found_candidate) {
piplus_effic->Fill(false, energy);
piplus_mom_effic->Fill(false, momentum);
piplus_mom_kshrt_energy->Fill(false, kshrt_energy);
piplus_mom_kshrt_sep->Fill(false, kshrt_sep);
piplus_mom_open_angle->Fill(false, angle_deg);
}
}
// Pion-minus reconstruction analysis
if (event.mc_kshrt_piminus_tid) {
float energy = event.mc_kshrt_piminus_energy;
float momentum = std::sqrt(event.mc_kshrt_piplus_px * event.mc_kshrt_piplus_px +
event.mc_kshrt_piplus_py * event.mc_kshrt_piplus_py +
event.mc_kshrt_piplus_pz * event.mc_kshrt_piplus_pz);
bool found_candidate = false;
if (event.pfp_piminus_purity && event.pfp_piminus_completeness) {
for (size_t pfp_idx = 0; pfp_idx < event.pfp_piminus_purity->size(); ++pfp_idx) {
float purity = event.pfp_piminus_purity->at(pfp_idx);
float completeness = event.pfp_piminus_completeness->at(pfp_idx);
if (purity >= 0.5 && completeness >= 0.1) {
piminus_effic->Fill(true, energy);
piminus_mom_effic->Fill(true, momentum);
piminus_mom_kshrt_energy->Fill(true, kshrt_energy);
piminus_mom_kshrt_sep->Fill(true, kshrt_sep);
piminus_mom_open_angle->Fill(true, angle_deg);
piminus_filled++;
found_candidate = true;
break;
}
}
}
if (!found_candidate) {
piminus_effic->Fill(false, energy);
piminus_mom_effic->Fill(false, momentum);
piminus_mom_kshrt_energy->Fill(false, kshrt_energy);
piminus_mom_kshrt_sep->Fill(false, kshrt_sep);
piminus_mom_open_angle->Fill(false, angle_deg);
}
}
}
// Debugging: Print out how many entries were filled
std::cout << "Muon entries filled: " << mu_filled << std::endl;
std::cout << "Pion-plus entries filled: " << piplus_filled << std::endl;
std::cout << "Pion-minus entries filled: " << piminus_filled << std::endl;
std::cout << "Kaon-short entries filled: " << kshort_filled << std::endl;
// Call the plotting function with appropriate axis label, output file name, and dynamic x-axis range
plot_efficiency(mu_effic, piplus_effic, piminus_effic, "True Energy [GeV]", "EfficiencyPlot_full.pdf", 0.1, 3.0);
plot_efficiency(mu_mom_effic, piplus_mom_effic, piminus_mom_effic, "True Momentum [GeV/c]", "MomentumEfficiencyPlot.pdf", 0.1, 3.0);
plot_efficiency(mu_mom_kshrt_energy, piplus_mom_kshrt_energy, piminus_mom_kshrt_energy, "True Kaon-Short Energy [GeV]", "KaonShortEnergyEfficiencyPlot.pdf", 0.1, 3.0);
plot_efficiency(mu_mom_kshrt_sep, piplus_mom_kshrt_sep, piminus_mom_kshrt_sep, "True Kaon-Short Decay Distance []", "KaonShortDecayDistanceEfficiencyPlot.pdf", 0.01, 20.0);
plot_efficiency(mu_mom_open_angle, piplus_mom_open_angle, piminus_mom_open_angle, "True Decay Opening Angle []", "KaonShortOpeningAngleEfficiencyPlot.pdf", 0., 3.14);
// Cleanup
delete mu_effic;
delete piplus_effic;
delete piminus_effic;
delete mu_mom_effic;
delete piplus_mom_effic;
delete piminus_mom_effic;
}