Converts a space delimited file with `particle_type kinetic_energy time x_position y_position z_position` in to a RAT::DS root file.

Convert.cc

#include <RAT/DS/Root.hh>
#include <RAT/DS/MC.hh>
#include <RAT/DS/MCParticle.hh>

#include <TFile.h>
#include <TTree.h>

#include <fstream>
using namespace std;

void Convert( const char* inFileName, const char* outFileName )
{
  TFile* rootFile = new TFile( outFileName, "RECREATE" );
  TTree* tree = new TTree( "T", "RAT Tree" );
  RAT::DS::Root* branchDS = new RAT::DS::Root();
  tree->Branch( "ds", branchDS->ClassName(), &branchDS, 32000, 99 );

  ifstream textFile( inFileName );
  int event = 0;
  while( !textFile.eof() )
    {
      double particleType, kineticEnergy, time, xPosition, yPosition, zPosition;
      textFile >> particleType >> kineticEnergy >> time >> xPosition >> yPosition >> zPosition;

      RAT::DS::Root* ds = new RAT::DS::Root();
      RAT::DS::MC* mc = ds->GetMC();
      mc->SetMCTime( time ); // Event time or particle time??
      mc->SetEventID( event );

      RAT::DS::MCParticle* particle = mc->AddNewMCParticle();
      particle->SetPDGCode( particleType );
      particle->SetTime( 0 );
      particle->SetPos( TVector3( xPosition, yPosition, zPosition ) );
      //particle->SetMom( ); // Err??
      particle->SetKE( kineticEnergy );
      *branchDS = *ds;
      tree->Fill();
      event++;
    }
  rootFile->Write();
  rootFile->Close();
  textFile.close();
}