20 using namespace HepMC3;
23 int main(
int argc,
char **argv) {
26 std::cout <<
"Usage: " << argv[0] <<
" <input_root_file> <output_hepmc3_file>" << std::endl;
33 int events_parsed = 0;
35 while( !root_input.failed() ) {
39 root_input.read_event(evt);
41 if( root_input.failed() )
break;
43 if( events_parsed == 0 ) {
44 std::cout <<
"First event: " << std::endl;
48 text_output.write_event(evt);
51 if( events_parsed%100 == 0 ) {
52 std::cout <<
"Event: " << events_parsed << std::endl;
59 std::cout <<
"Events parsed and written: " << events_parsed << std::endl;
Definition of class WriterAscii.
static void listing(std::ostream &os, const GenEvent &event, unsigned short precision=2)
Print event in listing (HepMC2) format.
Definition of class ReaderRoot.
Stores event-related information.
Definition of static class Print.
int main(int argc, char **argv)
Definition of class GenEvent.
GenEvent I/O serialization for structured text files.
GenEvent I/O parsing and serialization for root files.