TCS benchmark and FF status plot

benchmarks/tcs/analysis/tcs_tests.cxx

+#include <cmath>
+#include <iostream>
+#include <string>
+#include <vector>
+
+#include "ROOT/RDataFrame.hxx"
+#include "Math/Vector4D.h"
+#include "TCanvas.h"
+
+#include <nlohmann/json.hpp>
+using json = nlohmann::json;
+
+R__LOAD_LIBRARY(libfmt.so)
+#include "fmt/core.h"
+#include "fmt/color.h"
+
+R__LOAD_LIBRARY(libeicd.so)
+R__LOAD_LIBRARY(libDD4pod.so)
+
+#include "eicd/InclusiveKinematicsCollection.h"
+#include "eicd/ReconstructedParticleCollection.h"
+
+void tcs_tests(const char* fname = "rec_tcs.root"){
+
+  fmt::print(fmt::emphasis::bold | fg(fmt::color::forest_green), "Running TCS analysis...\n");
+
+  // Run this in multi-threaded mode if desired
+  ROOT::EnableImplicitMT();
+  ROOT::RDataFrame df("events", fname);
+
+  auto df0 = df.Define("n_parts", "ReconstructedParticles.size()")
+               .Define("isQ2gt1", "InclusiveKinematicsTruth.Q2 > 1.0")
+               .Define("n_Q2gt1", "isQ2gt1.size()");
+
+  auto h_n_parts = df0.Histo1D({"h_n_parts", "; h_n_parts n", 10, 0, 10}, "n_parts");
+  auto h_Q2      = df0.Histo1D({"h_Q2", "; Q^{2} [GeV^{2}/c^{2}]", 100, 0, 30}, "InclusiveKinematicsTruth.Q2");
+  auto h_ff_status = df0.Histo1D({"h_ff_status", "; FF status", 10, -0.5, 9.5}, "SmearedFarForwardParticles.status");
+  auto n_Q2gt1   = df0.Mean("n_Q2gt1");
+  auto n_parts   = df0.Mean("n_parts");
+
+  // ---------------------------
+  // Do evaluation
+
+  auto c = new TCanvas();
+  h_Q2->DrawCopy();
+  c->SaveAs("results/tcs/Q2.png");
+  c->SaveAs("results/tcs/Q2.pdf");
+  fmt::print("{} TCS events Q2>1\n",*n_Q2gt1);
+  fmt::print("{} tracks per event\n",*n_parts);
+
+  c = new TCanvas();
+  h_n_parts->DrawCopy();
+  c->SaveAs("results/tcs/n_parts.png");
+  c->SaveAs("results/tcs/n_parts.pdf");
+
+  c = new TCanvas();
+  h_ff_status->DrawCopy();
+  c->SaveAs("results/tcs/ff_status.png");
+  c->SaveAs("results/tcs/ff_status.pdf");
+}