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Commit db129162 authored by Whitney Armstrong's avatar Whitney Armstrong
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modified: .gitignore

	modified:   calorimeters/zdc_neutrons_reader.cxx
parent 753f38d2
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results/*
data/*
datasets/*
......@@ -5,23 +5,35 @@
#include "TH1F.h"
#include <iostream>
#include <cstdlib>
using namespace HepMC3;
void zdc_neutrons_reader(){
//-------------------------------------
ReaderAscii hepmc_input("data/neutrons_zdc.hepmc");
if( hepmc_input.failed() ) {
std::cerr << " could not find data file\n";
std::quick_exit(1);
}
int events_parsed = 0;
GenEvent evt(Units::GEV, Units::MM);
TH1F* h_neutron_energy = new TH1F("n energy","; E [GeV]",100,0,200);
// Read event from input file
hepmc_input.read_event(evt);
// If reading failed before loop then fail hard
// because the data wasn't found.
if( hepmc_input.failed() ) {
std::cerr << " could not find first event\n";
std::quick_exit(1);
}
while(!hepmc_input.failed()) {
// Read event from input file
hepmc_input.read_event(evt);
// If reading failed - exit loop
if( hepmc_input.failed() ) break;
for(const auto& v : evt.vertices() ) {
for(const auto& p : v->particles_out() ) {
......@@ -32,6 +44,7 @@ void zdc_neutrons_reader(){
}
evt.clear();
events_parsed++;
hepmc_input.read_event(evt);
}
std::cout << "Events parsed and written: " << events_parsed << std::endl;
......
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