23int 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() ) {
41 if( root_input.
failed() )
break;
43 if( events_parsed == 0 ) {
44 std::cout <<
"First event: " << std::endl;
51 if( events_parsed%1000 == 0 ) {
52 std::cout <<
"Event: " << events_parsed << std::endl;
59 std::cout <<
"Events parsed and written: " << events_parsed << std::endl;
Definition of class GenEvent.
Definition of static class Print.
Definition of class ReaderRootTree.
Definition of class WriterAscii.
Stores event-related information.
static void listing(std::ostream &os, const GenEvent &event, unsigned short precision=2)
Print event in listing (HepMC2) format.
GenEvent I/O parsing and serialization for root files based on root TTree.
bool read_event(GenEvent &evt) override
Read event from file.
bool failed() override
Get file error state.
void close() override
Close file.
GenEvent I/O serialization for structured text files.
void close() override
Close file stream.
void write_event(const GenEvent &evt) override
Write event to file.