Added dummy to dataframe

See data model documentation for ReconstructedParticle https://eic.phy.anl.gov/eicd/classeic_1_1_reconstructed_particle_data.html

benchmarks/dvcs/scripts/dvcs_tests.cxx

@@ -12,6 +12,8 @@ using json = nlohmann::json;
 #include "eicd/TrackParametersCollection.h"
 #include "eicd/ClusterCollection.h"
 #include "eicd/ClusterData.h"
+#include "eicd/ReconstructedParticleCollection.h"
+#include "eicd/ReconstructedParticleData.h"
 
 using ROOT::RDataFrame;
 using namespace ROOT::VecOps;
@@ -56,6 +58,15 @@ auto fourvec = [](ROOT::VecOps::RVec<dd4pod::Geant4ParticleData> const& in) {
   }
   return result;
 };
+auto dumfourvec = [](ROOT::VecOps::RVec<eic::ReconstructedParticleData> const& in) {
+  std::vector<ROOT::Math::PxPyPzMVector> result;
+  ROOT::Math::PxPyPzMVector lv;
+  for (size_t i = 0; i < in.size(); ++i) {
+    lv.SetCoordinates(in[i].p.x, in[i].p.y, in[i].p.z, in[i].mass);
+    result.push_back(lv);
+  }
+  return result;
+};
 
 auto delta_p = [](const std::vector<double>& tracks, const std::vector<double>& thrown) {
   std::vector<double> res;
@@ -95,6 +106,7 @@ void dvcs_tests(const char* fname = "rec_dvcs.root"){
   auto df0 = df.Define("isThrown", "mcparticles2.genStatus == 1")
                  .Define("thrownParticles", "mcparticles2[isThrown]")
                  .Define("thrownP", fourvec, {"thrownParticles"})
+                 .Define("dumRec", dumfourvec, {"DummyReconstructedParticles"})
                  .Define("p_thrown", momentum, {"thrownP"})
                  .Define("nTracks", "outputTrackParameters.size()")
                  .Define("p_track", p_track, {"outputTrackParameters"})