multiplicity.hh File Reference

#include <sstream>
#include "km3net-dataformat/offline/Evt.hh"
#include "km3net-dataformat/offline/Trk.hh"

Go to the source code of this file.

Functions
int	get_multiplicity (const Evt &event)
	Retrieve bundle multiplicity of given event.

Function Documentation

get_multiplicity()

int get_multiplicity ( const Evt & event )

inline

Retrieve bundle multiplicity of given event.

Parameters

event

event

Definition at line 15 of file multiplicity.hh.

{
  using namespace std;
 
  // Bundle multiplicity is stored in the `len` member variable for `track_bundle`s.
    
  for ( auto& t : event.mc_trks ) {
    if ( t.status == TRK_ST_MUONBUNDLE ) { return (int) t.len; } 
  }
    
  ostringstream out;
  out << "get_multiplicity(): The following event does not correspond to a muon bundle:" << endl;
  event.print(out);
  throw Exception(static_cast<ostringstream&>(out).str());
}