24 m_file(filename), m_stream(0), m_isstream(false) {
26 HEPMC3_ERROR(
"ReaderAsciiHepMC2: could not open input file: "<<filename )
33 : m_stream(&stream), m_isstream(true)
36 HEPMC3_ERROR(
"ReaderAsciiHepMC2: could not open input stream " )
46 const size_t max_buffer_size=512*512;
47 char buf[max_buffer_size];
54 if (nn<0)
return true;
64 const size_t max_buffer_size=512*512;
65 const size_t max_weights_size=256;
66 char buf[max_buffer_size];
67 bool parsed_event_header =
false;
68 bool is_parsing_successful =
true;
69 int parsing_result = 0;
70 unsigned int vertices_count = 0;
71 unsigned int current_vertex_particles_count = 0;
72 unsigned int current_vertex_particles_parsed= 0;
89 if( strlen(buf) == 0 )
continue;
91 if( strncmp(buf,
"HepMC",5) == 0 ) {
92 if( strncmp(buf,
"HepMC::Version",14) != 0 && strncmp(buf,
"HepMC::IO_GenEvent",18)!=0 )
94 HEPMC3_WARNING(
"ReaderAsciiHepMC2: found unsupported expression in header. Will close the input." )
95 std::cout<<buf<<std::endl;
98 if(parsed_event_header) {
99 is_parsing_successful =
true;
107 if(parsing_result<0) {
108 is_parsing_successful =
false;
109 HEPMC3_ERROR(
"ReaderAsciiHepMC2: HEPMC3_ERROR parsing event information" )
112 vertices_count = parsing_result;
117 is_parsing_successful =
true;
119 parsed_event_header =
true;
126 if(current_vertex_particles_parsed < current_vertex_particles_count) {
127 is_parsing_successful =
false;
130 current_vertex_particles_parsed = 0;
134 if(parsing_result<0) {
135 is_parsing_successful =
false;
136 HEPMC3_ERROR(
"ReaderAsciiHepMC2: HEPMC3_ERROR parsing vertex information" )
139 current_vertex_particles_count = parsing_result;
140 is_parsing_successful =
true;
147 if(parsing_result<0) {
148 is_parsing_successful =
false;
149 HEPMC3_ERROR(
"ReaderAsciiHepMC2: HEPMC3_ERROR parsing particle information" )
152 ++current_vertex_particles_parsed;
153 is_parsing_successful =
true;
172 HEPMC3_WARNING(
"ReaderAsciiHepMC2: skipping unrecognised prefix: " << buf[0] )
173 is_parsing_successful =
true;
177 if( !is_parsing_successful )
break;
181 if( parsed_event_header && peek==
'E' )
break;
187 if( is_parsing_successful && current_vertex_particles_parsed < current_vertex_particles_count ) {
188 HEPMC3_ERROR(
"ReaderAsciiHepMC2: not all particles parsed" )
189 is_parsing_successful =
false;
192 else if( is_parsing_successful &&
m_vertex_cache.size() != vertices_count ) {
193 HEPMC3_ERROR(
"ReaderAsciiHepMC2: not all vertices parsed" )
194 is_parsing_successful =
false;
197 if( !is_parsing_successful ) {
198 HEPMC3_ERROR(
"ReaderAsciiHepMC2: event parsing failed. Returning empty event" )
199 HEPMC3_DEBUG( 1,
"Parsing failed at line:" << std::endl << buf )
222 std::vector<GenParticlePtr> beams;
223 for (
auto p:
m_vertex_cache[i]->particles_out())
if (p->status()==4 && !(p->end_vertex())) beams.push_back(p);
228 HEPMC3_DEBUG( 30,
"ReaderAsciiHepMC2::read_event - moved particle with status=4 from the outgoing to the incoming particles of vertex: "<<
m_vertex_cache[i]->
id() );
271 for (
size_t ii=0; ii<max_weights_size; ii++)
275 m_vertex_cache[i]->add_attribute(
"weight"+std::to_string((
long long unsigned int)ii),rs);
285 const char *cursor = buf;
287 int vertices_count = 0;
288 int random_states_size = 0;
289 int weights_size = 0;
290 std::vector<long> random_states(0);
291 std::vector<double> weights(0);
294 if( !(cursor = strchr(cursor+1,
' ')) )
return -1;
295 event_no = atoi(cursor);
299 if( !(cursor = strchr(cursor+1,
' ')) )
return -1;
300 std::shared_ptr<IntAttribute> mpi = std::make_shared<IntAttribute>(atoi(cursor));
304 if( !(cursor = strchr(cursor+1,
' ')) )
return -1;
305 std::shared_ptr<DoubleAttribute> event_scale = std::make_shared<DoubleAttribute>(atof(cursor));
309 if( !(cursor = strchr(cursor+1,
' ')) )
return -1;
310 std::shared_ptr<DoubleAttribute> alphaQCD = std::make_shared<DoubleAttribute>(atof(cursor));
314 if( !(cursor = strchr(cursor+1,
' ')) )
return -1;
315 std::shared_ptr<DoubleAttribute> alphaQED = std::make_shared<DoubleAttribute>(atof(cursor));
319 if( !(cursor = strchr(cursor+1,
' ')) )
return -1;
320 std::shared_ptr<IntAttribute> signal_process_id = std::make_shared<IntAttribute>(atoi(cursor));
324 if( !(cursor = strchr(cursor+1,
' ')) )
return -1;
325 std::shared_ptr<IntAttribute> signal_process_vertex = std::make_shared<IntAttribute>(atoi(cursor));
326 evt.
add_attribute(
"signal_process_vertex",signal_process_vertex);
329 if( !(cursor = strchr(cursor+1,
' ')) )
return -1;
330 vertices_count = atoi(cursor);
333 if( !(cursor = strchr(cursor+1,
' ')) )
return -1;
336 if( !(cursor = strchr(cursor+1,
' ')) )
return -1;
339 if( !(cursor = strchr(cursor+1,
' ')) )
return -1;
340 random_states_size = atoi(cursor);
341 random_states.resize(random_states_size);
343 for (
int i = 0; i < random_states_size; ++i ) {
344 if( !(cursor = strchr(cursor+1,
' ')) )
return -1;
345 random_states[i] = atoi(cursor);
349 evt.
add_attribute(
"random_states",std::make_shared<VectorLongIntAttribute>(random_states));
353 for (
int i = 0; i < random_states_size; ++i )
354 evt.
add_attribute(
"random_states"+std::to_string((
long long unsigned int)i),std::make_shared<IntAttribute>(random_states[i]));
357 if( !(cursor = strchr(cursor+1,
' ')) )
return -1;
358 weights_size = atoi(cursor);
359 weights.resize(weights_size);
361 for (
int i = 0; i < weights_size; ++i ) {
362 if( !(cursor = strchr(cursor+1,
' ')) )
return -1;
363 weights[i] = atof(cursor);
368 HEPMC3_DEBUG( 10,
"ReaderAsciiHepMC2: E: "<<event_no<<
" ("<<vertices_count<<
"V, "<<weights_size<<
"W, "<<random_states_size<<
"RS)" )
370 return vertices_count;
374 const char *cursor = buf;
377 if( !(cursor = strchr(cursor+1,
' ')) )
return false;
382 if( !(cursor = strchr(cursor+1,
' ')) )
return false;
386 evt.
set_units(momentum_unit,length_unit);
394 GenVertexPtr data = std::make_shared<GenVertex>();
395 GenVertexPtr data_ghost = std::make_shared<GenVertex>();
397 const char *cursor = buf;
399 int num_particles_out = 0;
400 int weights_size = 0;
401 std::vector<double> weights(0);
403 if( !(cursor = strchr(cursor+1,
' ')) )
return -1;
404 barcode = atoi(cursor);
407 if( !(cursor = strchr(cursor+1,
' ')) )
return -1;
408 data->set_status( atoi(cursor) );
411 if( !(cursor = strchr(cursor+1,
' ')) )
return -1;
412 position.
setX(atof(cursor));
415 if( !(cursor = strchr(cursor+1,
' ')) )
return -1;
416 position.
setY(atof(cursor));
419 if( !(cursor = strchr(cursor+1,
' ')) )
return -1;
420 position.
setZ(atof(cursor));
423 if( !(cursor = strchr(cursor+1,
' ')) )
return -1;
424 position.
setT(atof(cursor));
425 data->set_position( position );
428 if( !(cursor = strchr(cursor+1,
' ')) )
return -1;
431 if( !(cursor = strchr(cursor+1,
' ')) )
return -1;
432 num_particles_out = atoi(cursor);
436 if( !(cursor = strchr(cursor+1,
' ')) )
return -1;
437 weights_size = atoi(cursor);
438 weights.resize(weights_size);
440 for (
int i = 0; i < weights_size; ++i ) {
441 if( !(cursor = strchr(cursor+1,
' ')) )
return -1;
442 weights[i] = atof(cursor);
454 for (
int i = 0; i < weights_size; ++i )
455 data_ghost->add_attribute(
"weight"+std::to_string((
long long unsigned int)i),std::make_shared<DoubleAttribute>(weights[i]));
459 data_ghost->add_attribute(
"weights",std::make_shared<VectorDoubleAttribute>(weights));
460 data_ghost->add_attribute(
"weights",std::make_shared<VectorDoubleAttribute>(weights));
464 HEPMC3_DEBUG( 10,
"ReaderAsciiHepMC2: V: "<<-(
int)
m_vertex_cache.size()<<
" (old barcode"<<barcode<<
") "<<num_particles_out<<
" particles)" )
466 return num_particles_out;
470 GenParticlePtr data = std::make_shared<GenParticle>();
471 GenParticlePtr data_ghost = std::make_shared<GenParticle>();
474 const char *cursor = buf;
478 if( !(cursor = strchr(cursor+1,
' ')) )
return -1;
481 if( !(cursor = strchr(cursor+1,
' ')) )
return -1;
482 data->set_pid( atoi(cursor) );
485 if( !(cursor = strchr(cursor+1,
' ')) )
return -1;
486 momentum.
setPx(atof(cursor));
489 if( !(cursor = strchr(cursor+1,
' ')) )
return -1;
490 momentum.
setPy(atof(cursor));
493 if( !(cursor = strchr(cursor+1,
' ')) )
return -1;
494 momentum.
setPz(atof(cursor));
497 if( !(cursor = strchr(cursor+1,
' ')) )
return -1;
498 momentum.
setE(atof(cursor));
499 data->set_momentum(momentum);
502 if( !(cursor = strchr(cursor+1,
' ')) )
return -1;
503 data->set_generated_mass( atof(cursor) );
506 if( !(cursor = strchr(cursor+1,
' ')) )
return -1;
507 data->set_status( atoi(cursor) );
510 if( !(cursor = strchr(cursor+1,
' ')) )
return -1;
511 std::shared_ptr<DoubleAttribute> theta = std::make_shared<DoubleAttribute>(atof(cursor));
512 if (theta->value()!=0.0) data_ghost->add_attribute(
"theta",theta);
515 if( !(cursor = strchr(cursor+1,
' ')) )
return -1;
516 std::shared_ptr<DoubleAttribute> phi = std::make_shared<DoubleAttribute>(atof(cursor));
517 if (phi->value()!=0.0) data_ghost->add_attribute(
"phi",phi);
520 if( !(cursor = strchr(cursor+1,
' ')) )
return -1;
521 end_vtx = atoi(cursor);
524 if( !(cursor = strchr(cursor+1,
' ')) )
return -1;
525 int flowsize=atoi(cursor);
527 std::map<int,int> flows;
528 for (
int i=0; i<flowsize; i++)
530 if( !(cursor = strchr(cursor+1,
' ')) )
return -1;
531 int flowindex=atoi(cursor);
532 if( !(cursor = strchr(cursor+1,
' ')) )
return -1;
533 int flowvalue=atoi(cursor);
534 flows[flowindex]=flowvalue;
538 std::vector<int> vectorflows;
539 for (
auto f: flows) vectorflows.push_back(f.second);
540 data_ghost->add_attribute(
"flows",std::make_shared<VectorIntAttribute>(vectorflows));
544 for (
auto f: flows) data_ghost->add_attribute(
"flow"+std::to_string((
long long int)f.first),std::make_shared<IntAttribute>(f.second));
565 const char *cursor = buf;
566 std::shared_ptr<GenCrossSection> xs = std::make_shared<GenCrossSection>();
568 if( !(cursor = strchr(cursor+1,
' ')) )
return false;
569 double xs_val = atof(cursor);
571 if( !(cursor = strchr(cursor+1,
' ')) )
return false;
572 double xs_err = atof(cursor);
574 xs->set_cross_section( xs_val, xs_err);
581 const char *cursor = buf;
582 const char *cursor2 = buf;
584 std::vector<std::string> w_names;
589 if( !(cursor = strchr(cursor+1,
' ')) )
return false;
590 w_count = atoi(cursor);
592 if( w_count <= 0 )
return false;
594 w_names.resize(w_count);
596 for(
int i=0; i < w_count; ++i ) {
598 if( !(cursor = strchr(cursor+1,
'"')) )
return false;
599 if( !(cursor2 = strchr(cursor+1,
'"')) )
return false;
604 w_names[i].assign(cursor, cursor2-cursor);
609 run_info()->set_weight_names(w_names);
615 std::shared_ptr<GenHeavyIon> hi = std::make_shared<GenHeavyIon>();
616 const char *cursor = buf;
618 if( !(cursor = strchr(cursor+1,
' ')) )
return false;
619 hi->Ncoll_hard = atoi(cursor);
621 if( !(cursor = strchr(cursor+1,
' ')) )
return false;
622 hi->Npart_proj = atoi(cursor);
624 if( !(cursor = strchr(cursor+1,
' ')) )
return false;
625 hi->Npart_targ = atoi(cursor);
627 if( !(cursor = strchr(cursor+1,
' ')) )
return false;
628 hi->Ncoll = atoi(cursor);
630 if( !(cursor = strchr(cursor+1,
' ')) )
return false;
631 hi->spectator_neutrons = atoi(cursor);
633 if( !(cursor = strchr(cursor+1,
' ')) )
return false;
634 hi->spectator_protons = atoi(cursor);
636 if( !(cursor = strchr(cursor+1,
' ')) )
return false;
637 hi->N_Nwounded_collisions = atoi(cursor);
639 if( !(cursor = strchr(cursor+1,
' ')) )
return false;
640 hi->Nwounded_N_collisions = atoi(cursor);
642 if( !(cursor = strchr(cursor+1,
' ')) )
return false;
643 hi->Nwounded_Nwounded_collisions = atoi(cursor);
645 if( !(cursor = strchr(cursor+1,
' ')) )
return false;
646 hi->impact_parameter = atof(cursor);
648 if( !(cursor = strchr(cursor+1,
' ')) )
return false;
649 hi->event_plane_angle = atof(cursor);
651 if( !(cursor = strchr(cursor+1,
' ')) )
return false;
652 hi->eccentricity = atof(cursor);
654 if( !(cursor = strchr(cursor+1,
' ')) )
return false;
655 hi->sigma_inel_NN = atof(cursor);
658 hi->centrality = 0.0;
666 std::shared_ptr<GenPdfInfo> pi = std::make_shared<GenPdfInfo>();
667 const char *cursor = buf;
669 if( !(cursor = strchr(cursor+1,
' ')) )
return false;
670 pi->parton_id[0] = atoi(cursor);
672 if( !(cursor = strchr(cursor+1,
' ')) )
return false;
673 pi->parton_id[1] = atoi(cursor);
675 if( !(cursor = strchr(cursor+1,
' ')) )
return false;
676 pi->x[0] = atof(cursor);
678 if( !(cursor = strchr(cursor+1,
' ')) )
return false;
679 pi->x[1] = atof(cursor);
681 if( !(cursor = strchr(cursor+1,
' ')) )
return false;
682 pi->scale = atof(cursor);
684 if( !(cursor = strchr(cursor+1,
' ')) )
return false;
685 pi->xf[0] = atof(cursor);
687 if( !(cursor = strchr(cursor+1,
' ')) )
return false;
688 pi->xf[1] = atof(cursor);
692 if( !(cursor = strchr(cursor+1,
' ')) ) pdfids=
false;
693 if(pdfids) pi->pdf_id[0] = atoi(cursor);
694 else pi->pdf_id[0] =0;
696 if(pdfids)
if( !(cursor = strchr(cursor+1,
' ')) ) pdfids=
false;
697 if(pdfids) pi->pdf_id[1] = atoi(cursor);
698 else pi->pdf_id[1] =0;
708 if( !
m_file.is_open() )
return;