////////////////////////////////////////////////////////////////////
/// \file parentinfo.C
///
/// \brief Extracts parent information for testing
///
/// \author J Wilson <j.r.wilson@qmul.ac.uk>
///
/// REVISION HISTORY:\n
///     2014-05-29 : P G Jones - Added header information.\n
///
/// \details
///
////////////////////////////////////////////////////////////////////
void make_plots(TFile *event_file, TTree *T, TFile *out_file)
{
  TH1F *hparPDG = new TH1F("hparPDG", "Parent PDG code", 20, 0, 20);
  hparPDG->SetYTitle("Events per bin");
  hparPDG->SetXTitle("parent PDG code");
  T->Draw("ds.mc.parents.pdgCode>>hparPDG","","");
  hparPDG->Write();
}