| 1 | //--------------------------------------------------------------------------
|
|---|
| 2 |
|
|---|
| 3 | //////////////////////////////////////////////////////////////////////////
|
|---|
| 4 | // garren@fnal.gov, July 2006
|
|---|
| 5 | // event input/output in ascii format for machine reading
|
|---|
| 6 | // IO_GenEvent format contains HeavyIon and PdfInfo classes
|
|---|
| 7 | //////////////////////////////////////////////////////////////////////////
|
|---|
| 8 |
|
|---|
| 9 | #include "IO_GenEvent.h"
|
|---|
| 10 | #include "GenEvent.h"
|
|---|
| 11 | #include "ParticleDataTable.h"
|
|---|
| 12 | #include "HeavyIon.h"
|
|---|
| 13 | #include "PdfInfo.h"
|
|---|
| 14 | #include "CommonIO.h"
|
|---|
| 15 | #include "Version.h"
|
|---|
| 16 |
|
|---|
| 17 | namespace HepMC {
|
|---|
| 18 |
|
|---|
| 19 | IO_GenEvent::IO_GenEvent( const std::string& filename, std::ios::openmode mode )
|
|---|
| 20 | : m_mode(mode),
|
|---|
| 21 | m_file(filename.c_str(), mode),
|
|---|
| 22 | m_ostr(0),
|
|---|
| 23 | m_istr(0),
|
|---|
| 24 | m_iostr(0),
|
|---|
| 25 | m_finished_first_event_io(false),
|
|---|
| 26 | m_have_file(false),
|
|---|
| 27 | m_common_io()
|
|---|
| 28 | {
|
|---|
| 29 | if ( (m_mode&std::ios::out && m_mode&std::ios::in) ||
|
|---|
| 30 | (m_mode&std::ios::app && m_mode&std::ios::in) ) {
|
|---|
| 31 | std::cerr << "IO_GenEvent::IO_GenEvent Error, open of file requested "
|
|---|
| 32 | << "of input AND output type. Not allowed. Closing file."
|
|---|
| 33 | << std::endl;
|
|---|
| 34 | m_file.close();
|
|---|
| 35 | return;
|
|---|
| 36 | }
|
|---|
| 37 | // precision 16 (# digits following decimal point) is the minimum that
|
|---|
| 38 | // will capture the full information stored in a double
|
|---|
| 39 | m_file.precision(16);
|
|---|
| 40 | // we use decimal to store integers, because it is smaller than hex!
|
|---|
| 41 | m_file.setf(std::ios::dec,std::ios::basefield);
|
|---|
| 42 | m_file.setf(std::ios::scientific,std::ios::floatfield);
|
|---|
| 43 | // now we set the streams
|
|---|
| 44 | m_iostr = &m_file;
|
|---|
| 45 | if ( m_mode&std::ios::in ) {
|
|---|
| 46 | m_istr = &m_file;
|
|---|
| 47 | m_ostr = NULL;
|
|---|
| 48 | }
|
|---|
| 49 | if ( m_mode&std::ios::out ) {
|
|---|
| 50 | m_ostr = &m_file;
|
|---|
| 51 | m_istr = NULL;
|
|---|
| 52 | }
|
|---|
| 53 | m_have_file = true;
|
|---|
| 54 | }
|
|---|
| 55 |
|
|---|
| 56 |
|
|---|
| 57 | IO_GenEvent::IO_GenEvent( std::istream & istr )
|
|---|
| 58 | : m_ostr(0),
|
|---|
| 59 | m_istr(&istr),
|
|---|
| 60 | m_iostr(&istr),
|
|---|
| 61 | m_finished_first_event_io(false),
|
|---|
| 62 | m_have_file(false),
|
|---|
| 63 | m_common_io()
|
|---|
| 64 | { }
|
|---|
| 65 |
|
|---|
| 66 | IO_GenEvent::IO_GenEvent( std::ostream & ostr )
|
|---|
| 67 | : m_ostr(&ostr),
|
|---|
| 68 | m_istr(0),
|
|---|
| 69 | m_iostr(&ostr),
|
|---|
| 70 | m_finished_first_event_io(false),
|
|---|
| 71 | m_have_file(false),
|
|---|
| 72 | m_common_io()
|
|---|
| 73 | {
|
|---|
| 74 | // precision 16 (# digits following decimal point) is the minimum that
|
|---|
| 75 | // will capture the full information stored in a double
|
|---|
| 76 | m_ostr->precision(16);
|
|---|
| 77 | // we use decimal to store integers, because it is smaller than hex!
|
|---|
| 78 | m_ostr->setf(std::ios::dec,std::ios::basefield);
|
|---|
| 79 | m_ostr->setf(std::ios::scientific,std::ios::floatfield);
|
|---|
| 80 | }
|
|---|
| 81 |
|
|---|
| 82 | IO_GenEvent::~IO_GenEvent() {
|
|---|
| 83 | write_end_listing();
|
|---|
| 84 | if(m_have_file) m_file.close();
|
|---|
| 85 | }
|
|---|
| 86 |
|
|---|
| 87 | void IO_GenEvent::use_input_units( Units::MomentumUnit mom, Units::LengthUnit len ) {
|
|---|
| 88 | m_common_io.use_input_units(mom,len);
|
|---|
| 89 | }
|
|---|
| 90 |
|
|---|
| 91 | void IO_GenEvent::print( std::ostream& ostr ) const {
|
|---|
| 92 | ostr << "IO_GenEvent: unformated ascii file IO for machine reading.\n";
|
|---|
| 93 | if(m_have_file) ostr << "\tFile openmode: " << m_mode ;
|
|---|
| 94 | ostr << " stream state: " << m_ostr->rdstate()
|
|---|
| 95 | << " bad:" << (m_ostr->rdstate()&std::ios::badbit)
|
|---|
| 96 | << " eof:" << (m_ostr->rdstate()&std::ios::eofbit)
|
|---|
| 97 | << " fail:" << (m_ostr->rdstate()&std::ios::failbit)
|
|---|
| 98 | << " good:" << (m_ostr->rdstate()&std::ios::goodbit) << std::endl;
|
|---|
| 99 | }
|
|---|
| 100 |
|
|---|
| 101 | void IO_GenEvent::write_event( const GenEvent* evt ) {
|
|---|
| 102 | /// Writes evt to output stream. It does NOT delete the event after writing.
|
|---|
| 103 | //
|
|---|
| 104 | // make sure the state is good, and that it is in output mode
|
|---|
| 105 | if ( !evt ) return;
|
|---|
| 106 | if ( m_ostr == NULL ) {
|
|---|
| 107 | std::cerr << "HepMC::IO_GenEvent::write_event "
|
|---|
| 108 | << " attempt to write to input file." << std::endl;
|
|---|
| 109 | return;
|
|---|
| 110 | }
|
|---|
| 111 | //
|
|---|
| 112 | // write event listing key before first event only.
|
|---|
| 113 | if ( !m_finished_first_event_io ) {
|
|---|
| 114 | m_finished_first_event_io = 1;
|
|---|
| 115 | *m_ostr << "\n" << "HepMC::Version " << versionName();
|
|---|
| 116 | *m_ostr << "\n";
|
|---|
| 117 | m_common_io.write_IO_GenEvent_Key(*m_ostr);
|
|---|
| 118 | }
|
|---|
| 119 | //
|
|---|
| 120 | // output the event data including the number of primary vertices
|
|---|
| 121 | // and the total number of vertices
|
|---|
| 122 | std::vector<long> random_states = evt->random_states();
|
|---|
| 123 | *m_ostr << 'E';
|
|---|
| 124 | output( evt->event_number() );
|
|---|
| 125 | output( evt->mpi() );
|
|---|
| 126 | output( evt->event_scale() );
|
|---|
| 127 | output( evt->alphaQCD() );
|
|---|
| 128 | output( evt->alphaQED() );
|
|---|
| 129 | output( evt->signal_process_id() );
|
|---|
| 130 | output( ( evt->signal_process_vertex() ?
|
|---|
| 131 | evt->signal_process_vertex()->barcode() : 0 ) );
|
|---|
| 132 | output( evt->vertices_size() ); // total number of vertices.
|
|---|
| 133 | write_beam_particles( evt->beam_particles() );
|
|---|
| 134 | output( (int)random_states.size() );
|
|---|
| 135 | for ( std::vector<long>::iterator rs = random_states.begin();
|
|---|
| 136 | rs != random_states.end(); ++rs ) {
|
|---|
| 137 | output( *rs );
|
|---|
| 138 | }
|
|---|
| 139 | output( (int)evt->weights().size() );
|
|---|
| 140 | for ( WeightContainer::const_iterator w = evt->weights().begin();
|
|---|
| 141 | w != evt->weights().end(); ++w ) {
|
|---|
| 142 | output( *w );
|
|---|
| 143 | }
|
|---|
| 144 | output('\n');
|
|---|
| 145 | write_unit_info( evt );
|
|---|
| 146 | write_heavy_ion( evt->heavy_ion() );
|
|---|
| 147 | write_pdf_info( evt->pdf_info() );
|
|---|
| 148 | //
|
|---|
| 149 | // Output all of the vertices - note there is no real order.
|
|---|
| 150 | for ( GenEvent::vertex_const_iterator v = evt->vertices_begin();
|
|---|
| 151 | v != evt->vertices_end(); ++v ) {
|
|---|
| 152 | write_vertex( *v );
|
|---|
| 153 | }
|
|---|
| 154 | }
|
|---|
| 155 |
|
|---|
| 156 | bool IO_GenEvent::fill_next_event( GenEvent* evt ){
|
|---|
| 157 | //
|
|---|
| 158 | //
|
|---|
| 159 | // test that evt pointer is not null
|
|---|
| 160 | if ( !evt ) {
|
|---|
| 161 | std::cerr
|
|---|
| 162 | << "IO_GenEvent::fill_next_event error - passed null event."
|
|---|
| 163 | << std::endl;
|
|---|
| 164 | return false;
|
|---|
| 165 | }
|
|---|
| 166 | // make sure the stream is good, and that it is in input mode
|
|---|
| 167 | if ( !(*m_istr) ) return false;
|
|---|
| 168 | if ( !m_istr ) {
|
|---|
| 169 | std::cerr << "HepMC::IO_GenEvent::fill_next_event "
|
|---|
| 170 | << " attempt to read from output file." << std::endl;
|
|---|
| 171 | return false;
|
|---|
| 172 | }
|
|---|
| 173 | //
|
|---|
| 174 | // search for event listing key before first event only.
|
|---|
| 175 | //
|
|---|
| 176 | // skip through the file just after first occurence of the start_key
|
|---|
| 177 | int iotype = 0;
|
|---|
| 178 | if ( !m_finished_first_event_io ) {
|
|---|
| 179 | iotype = m_common_io.find_file_type(*m_istr);
|
|---|
| 180 | if( iotype <= 0 ) {
|
|---|
| 181 | std::cerr << "IO_GenEvent::fill_next_event start key not found "
|
|---|
| 182 | << "setting badbit." << std::endl;
|
|---|
| 183 | m_istr->clear(std::ios::badbit);
|
|---|
| 184 | return false;
|
|---|
| 185 | }
|
|---|
| 186 | m_finished_first_event_io = 1;
|
|---|
| 187 | }
|
|---|
| 188 | //
|
|---|
| 189 | // test to be sure the next entry is of type "E" then ignore it
|
|---|
| 190 | if ( !(*m_istr) ) {
|
|---|
| 191 | std::cerr << "IO_GenEvent::fill_next_event end of stream found "
|
|---|
| 192 | << "setting badbit." << std::endl;
|
|---|
| 193 | m_istr->clear(std::ios::badbit);
|
|---|
| 194 | return false;
|
|---|
| 195 | }
|
|---|
| 196 | if ( !(*m_istr) || m_istr->peek()!='E' ) {
|
|---|
| 197 | // if the E is not the next entry, then check to see if it is
|
|---|
| 198 | // the end event listing key - if yes, search for another start key
|
|---|
| 199 | int ioendtype = m_common_io.find_end_key(*m_istr);
|
|---|
| 200 | if ( ioendtype == iotype ) {
|
|---|
| 201 | iotype = m_common_io.find_file_type(*m_istr);
|
|---|
| 202 | if( iotype <= 0 ) {
|
|---|
| 203 | // this is the only case where we set an EOF state
|
|---|
| 204 | m_istr->clear(std::ios::eofbit);
|
|---|
| 205 | return false;
|
|---|
| 206 | }
|
|---|
| 207 | } else if ( ioendtype > 0 ) {
|
|---|
| 208 | std::cerr << "IO_GenEvent::fill_next_event end key does not match start key "
|
|---|
| 209 | << "setting badbit." << std::endl;
|
|---|
| 210 | m_istr->clear(std::ios::badbit);
|
|---|
| 211 | return false;
|
|---|
| 212 | } else {
|
|---|
| 213 | std::cerr << "IO_GenEvent::fill_next_event end key not found "
|
|---|
| 214 | << "setting badbit." << std::endl;
|
|---|
| 215 | m_istr->clear(std::ios::badbit);
|
|---|
| 216 | return false;
|
|---|
| 217 | }
|
|---|
| 218 | }
|
|---|
| 219 | m_istr->ignore();
|
|---|
| 220 | // call the appropriate read method
|
|---|
| 221 | if( m_common_io.io_type() == gen ) {
|
|---|
| 222 | return m_common_io.read_io_genevent(m_istr, evt);
|
|---|
| 223 | } else if( m_common_io.io_type() == ascii ) {
|
|---|
| 224 | return m_common_io.read_io_ascii(m_istr, evt);
|
|---|
| 225 | } else if( m_common_io.io_type() == extascii ) {
|
|---|
| 226 | return m_common_io.read_io_extendedascii(m_istr, evt);
|
|---|
| 227 | } else if( m_common_io.io_type() == ascii_pdt ) {
|
|---|
| 228 | } else if( m_common_io.io_type() == extascii_pdt ) {
|
|---|
| 229 | }
|
|---|
| 230 | // should not get to this statement
|
|---|
| 231 | return false;
|
|---|
| 232 | }
|
|---|
| 233 |
|
|---|
| 234 | void IO_GenEvent::write_comment( const std::string comment ) {
|
|---|
| 235 | // make sure the stream is good, and that it is in output mode
|
|---|
| 236 | if ( !(*m_ostr) ) return;
|
|---|
| 237 | if ( m_ostr == NULL ) {
|
|---|
| 238 | std::cerr << "HepMC::IO_GenEvent::write_comment "
|
|---|
| 239 | << " attempt to write to input file." << std::endl;
|
|---|
| 240 | return;
|
|---|
| 241 | }
|
|---|
| 242 | // write end of event listing key if events have already been written
|
|---|
| 243 | write_end_listing();
|
|---|
| 244 | // insert the comment key before the comment
|
|---|
| 245 | *m_ostr << "\n" << "HepMC::IO_GenEvent-COMMENT\n";
|
|---|
| 246 | *m_ostr << comment << std::endl;
|
|---|
| 247 | }
|
|---|
| 248 |
|
|---|
| 249 | void IO_GenEvent::write_vertex( GenVertex* v ) {
|
|---|
| 250 | // assumes mode has already been checked
|
|---|
| 251 | if ( !v || !(*m_ostr) ) {
|
|---|
| 252 | std::cerr << "IO_GenEvent::write_vertex !v||!(*m_ostr), "
|
|---|
| 253 | << "v="<< v << " setting badbit" << std::endl;
|
|---|
| 254 | m_ostr->clear(std::ios::badbit);
|
|---|
| 255 | return;
|
|---|
| 256 | }
|
|---|
| 257 | // First collect info we need
|
|---|
| 258 | // count the number of orphan particles going into v
|
|---|
| 259 | int num_orphans_in = 0;
|
|---|
| 260 | for ( GenVertex::particles_in_const_iterator p1
|
|---|
| 261 | = v->particles_in_const_begin();
|
|---|
| 262 | p1 != v->particles_in_const_end(); ++p1 ) {
|
|---|
| 263 | if ( !(*p1)->production_vertex() ) ++num_orphans_in;
|
|---|
| 264 | }
|
|---|
| 265 | //
|
|---|
| 266 | *m_ostr << 'V';
|
|---|
| 267 | output( v->barcode() ); // v's unique identifier
|
|---|
| 268 | output( v->id() );
|
|---|
| 269 | output( v->position().x() );
|
|---|
| 270 | output( v->position().y() );
|
|---|
| 271 | output( v->position().z() );
|
|---|
| 272 | output( v->position().t() );
|
|---|
| 273 | output( num_orphans_in );
|
|---|
| 274 | output( (int)v->particles_out_size() );
|
|---|
| 275 | output( (int)v->weights().size() );
|
|---|
| 276 | for ( WeightContainer::iterator w = v->weights().begin();
|
|---|
| 277 | w != v->weights().end(); ++w ) {
|
|---|
| 278 | output( *w );
|
|---|
| 279 | }
|
|---|
| 280 | output('\n');
|
|---|
| 281 | for ( GenVertex::particles_in_const_iterator p2
|
|---|
| 282 | = v->particles_in_const_begin();
|
|---|
| 283 | p2 != v->particles_in_const_end(); ++p2 ) {
|
|---|
| 284 | if ( !(*p2)->production_vertex() ) {
|
|---|
| 285 | write_particle( *p2 );
|
|---|
| 286 | }
|
|---|
| 287 | }
|
|---|
| 288 | for ( GenVertex::particles_out_const_iterator p3
|
|---|
| 289 | = v->particles_out_const_begin();
|
|---|
| 290 | p3 != v->particles_out_const_end(); ++p3 ) {
|
|---|
| 291 | write_particle( *p3 );
|
|---|
| 292 | }
|
|---|
| 293 | }
|
|---|
| 294 |
|
|---|
| 295 | void IO_GenEvent::write_beam_particles(
|
|---|
| 296 | std::pair<HepMC::GenParticle *,HepMC::GenParticle *> pr ) {
|
|---|
| 297 | GenParticle* p = pr.first;
|
|---|
| 298 | //m_file << 'B';
|
|---|
| 299 | if(!p) {
|
|---|
| 300 | output( 0 );
|
|---|
| 301 | } else {
|
|---|
| 302 | output( p->barcode() );
|
|---|
| 303 | }
|
|---|
| 304 | p = pr.second;
|
|---|
| 305 | if(!p) {
|
|---|
| 306 | output( 0 );
|
|---|
| 307 | } else {
|
|---|
| 308 | output( p->barcode() );
|
|---|
| 309 | }
|
|---|
| 310 | }
|
|---|
| 311 |
|
|---|
| 312 | void IO_GenEvent::write_heavy_ion( HeavyIon const * ion ) {
|
|---|
| 313 | // assumes mode has already been checked
|
|---|
| 314 | if ( !(*m_ostr) ) {
|
|---|
| 315 | std::cerr << "IO_GenEvent::write_heavy_ion !(*m_ostr), "
|
|---|
| 316 | << " setting badbit" << std::endl;
|
|---|
| 317 | m_ostr->clear(std::ios::badbit);
|
|---|
| 318 | return;
|
|---|
| 319 | }
|
|---|
| 320 | *m_ostr << 'H';
|
|---|
| 321 | // HeavyIon* is set to 0 by default
|
|---|
| 322 | if ( !ion ) {
|
|---|
| 323 | output( 0 );
|
|---|
| 324 | output( 0 );
|
|---|
| 325 | output( 0 );
|
|---|
| 326 | output( 0 );
|
|---|
| 327 | output( 0 );
|
|---|
| 328 | output( 0 );
|
|---|
| 329 | output( 0 );
|
|---|
| 330 | output( 0 );
|
|---|
| 331 | output( 0 );
|
|---|
| 332 | output( 0. );
|
|---|
| 333 | output( 0. );
|
|---|
| 334 | output( 0. );
|
|---|
| 335 | output( 0. );
|
|---|
| 336 | output('\n');
|
|---|
| 337 | return;
|
|---|
| 338 | }
|
|---|
| 339 | //
|
|---|
| 340 | output( ion->Ncoll_hard() );
|
|---|
| 341 | output( ion->Npart_proj() );
|
|---|
| 342 | output( ion->Npart_targ() );
|
|---|
| 343 | output( ion->Ncoll() );
|
|---|
| 344 | output( ion->spectator_neutrons() );
|
|---|
| 345 | output( ion->spectator_protons() );
|
|---|
| 346 | output( ion->N_Nwounded_collisions() );
|
|---|
| 347 | output( ion->Nwounded_N_collisions() );
|
|---|
| 348 | output( ion->Nwounded_Nwounded_collisions() );
|
|---|
| 349 | output( ion->impact_parameter() );
|
|---|
| 350 | output( ion->event_plane_angle() );
|
|---|
| 351 | output( ion->eccentricity() );
|
|---|
| 352 | output( ion->sigma_inel_NN() );
|
|---|
| 353 | output('\n');
|
|---|
| 354 | }
|
|---|
| 355 |
|
|---|
| 356 | void IO_GenEvent::write_pdf_info( PdfInfo const * pdf ) {
|
|---|
| 357 | // assumes mode has already been checked
|
|---|
| 358 | if ( !(*m_ostr) ) {
|
|---|
| 359 | std::cerr << "IO_GenEvent::write_pdf_info !(*m_ostr), "
|
|---|
| 360 | << " setting badbit" << std::endl;
|
|---|
| 361 | m_ostr->clear(std::ios::badbit);
|
|---|
| 362 | return;
|
|---|
| 363 | }
|
|---|
| 364 | *m_ostr << 'F';
|
|---|
| 365 | // PdfInfo* is set to 0 by default
|
|---|
| 366 | if ( !pdf ) {
|
|---|
| 367 | output( 0 );
|
|---|
| 368 | output( 0 );
|
|---|
| 369 | output( 0. );
|
|---|
| 370 | output( 0. );
|
|---|
| 371 | output( 0. );
|
|---|
| 372 | output( 0. );
|
|---|
| 373 | output( 0. );
|
|---|
| 374 | output( 0 );
|
|---|
| 375 | output( 0 );
|
|---|
| 376 | output('\n');
|
|---|
| 377 | return;
|
|---|
| 378 | }
|
|---|
| 379 | //
|
|---|
| 380 | output( pdf->id1() );
|
|---|
| 381 | output( pdf->id2() );
|
|---|
| 382 | output( pdf->x1() );
|
|---|
| 383 | output( pdf->x2() );
|
|---|
| 384 | output( pdf->scalePDF() );
|
|---|
| 385 | output( pdf->pdf1() );
|
|---|
| 386 | output( pdf->pdf2() );
|
|---|
| 387 | output( pdf->pdf_id1() );
|
|---|
| 388 | output( pdf->pdf_id2() );
|
|---|
| 389 | output('\n');
|
|---|
| 390 | }
|
|---|
| 391 |
|
|---|
| 392 | void IO_GenEvent::write_unit_info( const GenEvent* evt ) {
|
|---|
| 393 | if ( !(*m_ostr) ) {
|
|---|
| 394 | std::cerr << "IO_GenEvent::write_unit_info !(*m_ostr), "
|
|---|
| 395 | << " setting badbit" << std::endl;
|
|---|
| 396 | m_ostr->clear(std::ios::badbit);
|
|---|
| 397 | return;
|
|---|
| 398 | }
|
|---|
| 399 | // could write enums here, but strings are more readable
|
|---|
| 400 | *m_ostr << "U " << name(evt->momentum_unit());
|
|---|
| 401 | *m_ostr << " " << name(evt->length_unit());
|
|---|
| 402 | output('\n');
|
|---|
| 403 | }
|
|---|
| 404 |
|
|---|
| 405 | void IO_GenEvent::write_particle( GenParticle* p ) {
|
|---|
| 406 | // assumes mode has already been checked
|
|---|
| 407 | if ( !p || !(*m_ostr) ) {
|
|---|
| 408 | std::cerr << "IO_GenEvent::write_particle !p||!(*m_ostr), "
|
|---|
| 409 | << "p="<< p << " setting badbit" << std::endl;
|
|---|
| 410 | m_ostr->clear(std::ios::badbit);
|
|---|
| 411 | return;
|
|---|
| 412 | }
|
|---|
| 413 | *m_ostr << 'P';
|
|---|
| 414 | output( p->barcode() );
|
|---|
| 415 | output( p->pdg_id() );
|
|---|
| 416 | output( p->momentum().px() );
|
|---|
| 417 | output( p->momentum().py() );
|
|---|
| 418 | output( p->momentum().pz() );
|
|---|
| 419 | output( p->momentum().e() );
|
|---|
| 420 | output( p->generated_mass() );
|
|---|
| 421 | output( p->status() );
|
|---|
| 422 | output( p->polarization().theta() );
|
|---|
| 423 | output( p->polarization().phi() );
|
|---|
| 424 | // since end_vertex is oftentimes null, this CREATES a null vertex
|
|---|
| 425 | // in the map
|
|---|
| 426 | output( ( p->end_vertex() ? p->end_vertex()->barcode() : 0 ) );
|
|---|
| 427 | *m_ostr << ' ' << p->flow() << "\n";
|
|---|
| 428 | }
|
|---|
| 429 |
|
|---|
| 430 | void IO_GenEvent::write_particle_data( const ParticleData* pdata ) {
|
|---|
| 431 | // assumes mode has already been checked
|
|---|
| 432 | if ( !pdata || !(*m_ostr) ) {
|
|---|
| 433 | std::cerr << "IO_GenEvent::write_particle_data !pdata||!(*m_ostr), "
|
|---|
| 434 | << "pdata="<< pdata << " setting badbit" << std::endl;
|
|---|
| 435 | m_ostr->clear(std::ios::badbit);
|
|---|
| 436 | return;
|
|---|
| 437 | }
|
|---|
| 438 | *m_ostr << 'D';
|
|---|
| 439 | output( pdata->pdg_id() );
|
|---|
| 440 | output( pdata->charge() );
|
|---|
| 441 | output( pdata->mass() );
|
|---|
| 442 | output( pdata->clifetime() );
|
|---|
| 443 | output( (int)(pdata->spin()*2.+.1) );
|
|---|
| 444 | // writes the first 21 characters starting with 0
|
|---|
| 445 | *m_ostr << " " << pdata->name().substr(0,21) << "\n";
|
|---|
| 446 | }
|
|---|
| 447 |
|
|---|
| 448 | HeavyIon* IO_GenEvent::read_heavy_ion()
|
|---|
| 449 | {
|
|---|
| 450 | // assumes mode has already been checked
|
|---|
| 451 | //
|
|---|
| 452 | // test to be sure the next entry is of type "H" then ignore it
|
|---|
| 453 | if ( !(*m_istr) || m_istr->peek()!='H' ) {
|
|---|
| 454 | std::cerr << "IO_GenEvent::read_heavy_ion setting badbit." << std::endl;
|
|---|
| 455 | m_istr->clear(std::ios::badbit);
|
|---|
| 456 | return false;
|
|---|
| 457 | }
|
|---|
| 458 | m_istr->ignore();
|
|---|
| 459 | // read values into temp variables, then create a new HeavyIon object
|
|---|
| 460 | int nh =0, np =0, nt =0, nc =0,
|
|---|
| 461 | neut = 0, prot = 0, nw =0, nwn =0, nwnw =0;
|
|---|
| 462 | float impact = 0., plane = 0., xcen = 0., inel = 0.;
|
|---|
| 463 | *m_istr >> nh >> np >> nt >> nc >> neut >> prot
|
|---|
| 464 | >> nw >> nwn >> nwnw >> impact >> plane >> xcen >> inel;
|
|---|
| 465 | m_istr->ignore(2,'\n');
|
|---|
| 466 | if( nh == 0 ) return false;
|
|---|
| 467 | HeavyIon* ion = new HeavyIon(nh, np, nt, nc, neut, prot,
|
|---|
| 468 | nw, nwn, nwnw,
|
|---|
| 469 | impact, plane, xcen, inel );
|
|---|
| 470 | //
|
|---|
| 471 | return ion;
|
|---|
| 472 | }
|
|---|
| 473 |
|
|---|
| 474 | GenParticle* IO_GenEvent::read_particle(
|
|---|
| 475 | TempParticleMap& particle_to_end_vertex ){
|
|---|
| 476 | // assumes mode has already been checked
|
|---|
| 477 | //
|
|---|
| 478 | // test to be sure the next entry is of type "P" then ignore it
|
|---|
| 479 | if ( !(*m_istr) || m_istr->peek()!='P' ) {
|
|---|
| 480 | std::cerr << "IO_GenEvent::read_particle setting badbit."
|
|---|
| 481 | << std::endl;
|
|---|
| 482 | m_istr->clear(std::ios::badbit);
|
|---|
| 483 | return false;
|
|---|
| 484 | }
|
|---|
| 485 | m_istr->ignore();
|
|---|
| 486 | //
|
|---|
| 487 | // declare variables to be read in to, and read everything except flow
|
|---|
| 488 | double px = 0., py = 0., pz = 0., e = 0., m = 0., theta = 0., phi = 0.;
|
|---|
| 489 | int bar_code = 0, id = 0, status = 0, end_vtx_code = 0, flow_size = 0;
|
|---|
| 490 | *m_istr >> bar_code >> id >> px >> py >> pz >> e >> m >> status
|
|---|
| 491 | >> theta >> phi >> end_vtx_code >> flow_size;
|
|---|
| 492 | //
|
|---|
| 493 | // read flow patterns if any exist
|
|---|
| 494 | Flow flow;
|
|---|
| 495 | int code_index, code;
|
|---|
| 496 | for ( int i = 1; i <= flow_size; ++i ) {
|
|---|
| 497 | *m_istr >> code_index >> code;
|
|---|
| 498 | flow.set_icode( code_index,code);
|
|---|
| 499 | }
|
|---|
| 500 | m_istr->ignore(2,'\n'); // '\n' at end of entry
|
|---|
| 501 | GenParticle* p = new GenParticle( FourVector(px,py,pz,e),
|
|---|
| 502 | id, status, flow,
|
|---|
| 503 | Polarization(theta,phi) );
|
|---|
| 504 | p->set_generated_mass( m );
|
|---|
| 505 | p->suggest_barcode( bar_code );
|
|---|
| 506 | //
|
|---|
| 507 | // all particles are connected to their end vertex separately
|
|---|
| 508 | // after all particles and vertices have been created - so we keep
|
|---|
| 509 | // a map of all particles that have end vertices
|
|---|
| 510 | if ( end_vtx_code != 0 ) {
|
|---|
| 511 | particle_to_end_vertex.addEndParticle(p,end_vtx_code);
|
|---|
| 512 | }
|
|---|
| 513 | return p;
|
|---|
| 514 | }
|
|---|
| 515 |
|
|---|
| 516 | ParticleData* IO_GenEvent::read_particle_data( ParticleDataTable* pdt ) {
|
|---|
| 517 | // assumes mode has already been checked
|
|---|
| 518 | //
|
|---|
| 519 | // test to be sure the next entry is of type "D" then ignore it
|
|---|
| 520 | if ( !(*m_istr) || m_istr->peek()!='D' ) return false;
|
|---|
| 521 | m_istr->ignore();
|
|---|
| 522 | //
|
|---|
| 523 | // read values into temp variables then create new ParticleData object
|
|---|
| 524 | char its_name[22];
|
|---|
| 525 | int its_id = 0, its_spin = 0;
|
|---|
| 526 | double its_charge = 0, its_mass = 0, its_clifetime = 0;
|
|---|
| 527 | *m_istr >> its_id >> its_charge >> its_mass
|
|---|
| 528 | >> its_clifetime >> its_spin;
|
|---|
| 529 | m_istr->ignore(1); // eat the " "
|
|---|
| 530 | m_istr->getline( its_name, 22, '\n' );
|
|---|
| 531 | ParticleData* pdata = new ParticleData( its_name, its_id, its_charge,
|
|---|
| 532 | its_mass, its_clifetime,
|
|---|
| 533 | double(its_spin)/2.);
|
|---|
| 534 | pdt->insert(pdata);
|
|---|
| 535 | return pdata;
|
|---|
| 536 | }
|
|---|
| 537 |
|
|---|
| 538 | bool IO_GenEvent::write_end_listing() {
|
|---|
| 539 | if ( m_finished_first_event_io && (m_ostr != NULL) ) {
|
|---|
| 540 | m_common_io.write_IO_GenEvent_End(*m_ostr);
|
|---|
| 541 | *m_ostr << std::flush;
|
|---|
| 542 | m_finished_first_event_io = 0;
|
|---|
| 543 | return true;
|
|---|
| 544 | }
|
|---|
| 545 | return false;
|
|---|
| 546 | }
|
|---|
| 547 |
|
|---|
| 548 | } // HepMC
|
|---|
