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MOAB: Mesh Oriented datABase
(version 5.4.1)
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MOAB: Mesh Oriented datABase
(version 5.4.1)
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#include "moab/Core.hpp"#include "moab/Range.hpp"#include "MBTagConventions.hpp"#include "moab/ReaderWriterSet.hpp"#include "moab/ReorderTool.hpp"#include <iostream>#include <fstream>#include <sstream>#include <iomanip>#include <set>#include <list>#include <cstdlib>#include <algorithm>#include <ctime>#include <cstdio>
Include dependency graph for convert.cpp:Go to the source code of this file.
Defines | |
| #define | WIN32 |
| #define | USAGE_ERROR 1 |
| #define | READ_ERROR 2 |
| #define | WRITE_ERROR 3 |
| #define | OTHER_ERROR 4 |
| #define | ENT_NOT_FOUND 5 |
Functions | |
| static void | print_usage (const char *name, std::ostream &stream) |
| static void | print_help (const char *name) |
| static void | usage_error (const char *name) |
| static void | list_formats (Interface *) |
| static bool | parse_id_list (const char *string, std::set< int > &) |
| static void | print_id_list (const char *, std::ostream &stream, const std::set< int > &list) |
| static void | reset_times () |
| static void | write_times (std::ostream &stream) |
| static void | remove_entities_from_sets (Interface *gMB, Range &dead_entities, Range &empty_sets) |
| static void | remove_from_vector (std::vector< EntityHandle > &vect, const Range &ents_to_remove) |
| static bool | make_opts_string (std::vector< std::string > options, std::string &result) |
| static std::string | percent_subst (const std::string &s, int val) |
| static int | process_partition_file (Interface *gMB, std::string &metis_partition_file) |
| int | main (int argc, char *argv[]) |
| static void | print_time (int clk_per_sec, const char *prefix, clock_t ticks, std::ostream &stream) |
Variables | |
| clock_t | usr_time |
| clock_t | sys_time |
| clock_t | abs_time |
| #define ENT_NOT_FOUND 5 |
Definition at line 55 of file convert.cpp.
Referenced by main().
| #define OTHER_ERROR 4 |
Definition at line 54 of file convert.cpp.
Referenced by list_formats().
| #define READ_ERROR 2 |
Definition at line 52 of file convert.cpp.
Referenced by main().
| #define USAGE_ERROR 1 |
Definition at line 51 of file convert.cpp.
Referenced by main(), and usage_error().
| #define WIN32 |
MOAB, a Mesh-Oriented datABase, is a software component for creating, storing and accessing finite element mesh data.
Copyright 2004 Sandia Corporation. Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains certain rights in this software.
This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.
Definition at line 18 of file convert.cpp.
| #define WRITE_ERROR 3 |
Definition at line 53 of file convert.cpp.
Referenced by main().
| void list_formats | ( | Interface * | gMB | ) | [static] |
Definition at line 1137 of file convert.cpp.
References ErrorCode, MB_SUCCESS, OTHER_ERROR, moab::Interface::query_interface(), and moab::Interface::release_interface().
Referenced by main().
{
const char iface_name[] = "ReaderWriterSet";
ErrorCode err;
ReaderWriterSet* set = 0;
ReaderWriterSet::iterator i;
std::ostream& str = std::cout;
// get ReaderWriterSet
err = gMB->query_interface( set );
if( err != MB_SUCCESS || !set )
{
std::cerr << "Internal error: Interface \"" << iface_name << "\" not available.\n";
exit( OTHER_ERROR );
}
// get field width for format description
size_t w = 0;
for( i = set->begin(); i != set->end(); ++i )
if( i->description().length() > w ) w = i->description().length();
// write table header
str << "Format " << std::setw( w ) << std::left << "Description"
<< " Read Write File Name Suffixes\n"
<< "------ " << std::setw( w ) << std::setfill( '-' ) << "" << std::setfill( ' ' )
<< " ---- ----- ------------------\n";
// write table data
for( i = set->begin(); i != set->end(); ++i )
{
std::vector< std::string > ext;
i->get_extensions( ext );
str << std::setw( 6 ) << i->name() << " " << std::setw( w ) << std::left << i->description() << " "
<< ( i->have_reader() ? " yes" : " no" ) << " " << ( i->have_writer() ? " yes" : " no" ) << " ";
for( std::vector< std::string >::iterator j = ext.begin(); j != ext.end(); ++j )
str << " " << *j;
str << std::endl;
}
str << std::endl;
gMB->release_interface( set );
exit( 0 );
}
| int main | ( | int | argc, |
| char * | argv[] | ||
| ) |
Definition at line 157 of file convert.cpp.
References moab::Interface::add_entities(), moab::Range::all_of_type(), moab::ParallelComm::assign_global_ids(), moab::TempestRemapper::assign_vertex_element_IDs(), moab::Range::begin(), moab::Range::clear(), moab::ParallelComm::comm(), moab::TempestRemapper::ConvertMeshToTempest(), moab::TempestRemapper::ConvertTempestMesh(), moab::TempestRemapper::CS, moab::TempestRemapper::DEFAULT, moab::Interface::delete_entities(), dim, dim_tag, DIRICHLET_SET_TAG_NAME, moab::Range::empty(), moab::Range::end(), ENT_NOT_FOUND, ErrorCode, moab::TempestRemapper::GenerateMeshMetadata(), geom, GEOM_DIMENSION_TAG_NAME, moab::Interface::get_adjacencies(), moab::Interface::get_entities_by_dimension(), moab::Interface::get_entities_by_type_and_tag(), moab::Interface::get_error_string(), moab::Interface::get_last_error(), moab::TempestRemapper::GetMesh(), moab::TempestRemapper::GetMeshEntities(), moab::TempestRemapper::GetMeshSet(), moab::TempestRemapper::GetMeshVertices(), moab::Interface::globalId_tag(), gMB, moab::ReorderTool::handle_order_from_int_tag(), moab::TempestRemapper::ICO, moab::TempestRemapper::ICOD, id_tag, ierr, moab::TempestRemapper::initialize(), list_formats(), moab::Interface::load_file(), moab::TempestRemapper::LoadMesh(), moab::Remapper::LoadNativeMesh(), make_opts_string(), MATERIAL_SET_TAG_NAME, MB_CHK_ERR, MB_CHK_SET_ERR, MB_SUCCESS, MB_TAG_CREAT, MB_TAG_DENSE, MB_TAG_SPARSE, MB_TYPE_INTEGER, MBENTITYSET, MBQUAD, MBTRI, moab::Range::merge(), mesh, moab::TempestRemapper::meshValidate, MPI_COMM_WORLD, NEUMANN_SET_TAG_NAME, moab::Remapper::OverlapMesh, PARALLEL_PARTITION_TAG_NAME, parse_id_list(), percent_subst(), print_help(), print_id_list(), process_partition_file(), READ_ERROR, read_options, remove_entities_from_sets(), moab::remove_from_vector(), moab::ReorderTool::reorder_entities(), reset_times(), moab::TempestRemapper::RLL, moab::Range::size(), moab::Remapper::SourceMesh, moab::subtract(), moab::Interface::tag_delete(), moab::Interface::tag_get_data(), moab::Interface::tag_get_handle(), moab::Interface::tag_set_data(), moab::Interface::UNION, USAGE_ERROR, usage_error(), verbose, WRITE_ERROR, moab::Interface::write_file(), and write_times().
{
int proc_id = 0;
#ifdef MOAB_HAVE_MPI
MPI_Init( &argc, &argv );
MPI_Comm_rank( MPI_COMM_WORLD, &proc_id );
#endif
#ifdef MOAB_HAVE_TEMPESTREMAP
bool tempestin = false, tempestout = false;
#endif
Core core;
Interface* gMB = &core;
ErrorCode result;
Range range;
#if( defined( MOAB_HAVE_MPI ) && defined( MOAB_HAVE_TEMPESTREMAP ) )
moab::ParallelComm* pcomm = new moab::ParallelComm( gMB, MPI_COMM_WORLD, 0 );
#endif
bool append_rank = false;
bool percent_rank_subst = false;
bool file_written = false;
int i, dim;
std::list< std::string >::iterator j;
bool dims[4] = { false, false, false, false };
const char* format = NULL; // output file format
std::list< std::string > in; // input file name list
std::string out; // output file name
bool verbose = false;
std::set< int > geom[4], mesh[4]; // user-specified IDs
std::vector< EntityHandle > set_list; // list of user-specified sets to write
std::vector< std::string > write_opts, read_opts;
std::string metis_partition_file;
#ifdef MOAB_HAVE_TEMPESTREMAP
std::string globalid_tag_name;
int spectral_order = 1;
#endif
const char* const mesh_tag_names[] = { DIRICHLET_SET_TAG_NAME, NEUMANN_SET_TAG_NAME, MATERIAL_SET_TAG_NAME,
PARALLEL_PARTITION_TAG_NAME };
const char* const geom_names[] = { "VERTEX", "CURVE", "SURFACE", "VOLUME" };
// scan arguments
bool do_flag = true;
bool print_times = false;
bool generate[] = { false, false, false };
bool pval;
bool parallel = false, resolve_shared = false, exchange_ghosts = false;
for( i = 1; i < argc; i++ )
{
if( !argv[i][0] ) usage_error( argv[0] );
if( do_flag && argv[i][0] == '-' )
{
if( !argv[i][1] || ( argv[i][1] != 'M' && argv[i][2] ) ) usage_error( argv[0] );
switch( argv[i][1] )
{
// do flag arguments:
case '-':
do_flag = false;
break;
case 'g':
verbose = true;
break;
case 't':
print_times = true;
break;
case 'A':
break;
case 'h':
case 'H':
print_help( argv[0] );
break;
case 'l':
list_formats( gMB );
break;
#ifdef MOAB_HAVE_MPI
case 'P':
append_rank = true;
break;
case 'p':
percent_rank_subst = true;
break;
case 'M':
parallel = true;
if( argv[i][2] == '1' || argv[i][2] == '2' ) resolve_shared = true;
if( argv[i][2] == '2' ) exchange_ghosts = true;
break;
#endif
#ifdef MOAB_HAVE_TEMPESTREMAP
case 'B':
tempestin = true;
break;
case 'b':
tempestout = true;
break;
#endif
case '1':
case '2':
case '3':
dims[argv[i][1] - '0'] = true;
break;
// do options that require additional args:
default:
++i;
if( i == argc || argv[i][0] == '-' )
{
std::cerr << "Expected argument following " << argv[i - 1] << std::endl;
usage_error( argv[0] );
}
if( argv[i - 1][1] == 'I' )
{
dim = atoi( argv[i] );
if( dim < 1 || dim > 2 )
{
std::cerr << "Invalid dimension value following -I" << std::endl;
usage_error( argv[0] );
}
generate[dim] = true;
continue;
}
pval = false;
switch( argv[i - 1][1] )
{
case 'a':
read_opts.push_back( std::string( "SAT_FILE=" ) + argv[i] );
pval = true;
break;
case 'f':
format = argv[i];
pval = true;
break;
case 'o':
write_opts.push_back( argv[i] );
pval = true;
break;
case 'O':
read_opts.push_back( argv[i] );
pval = true;
break;
#ifdef MOAB_HAVE_TEMPESTREMAP
case 'i':
globalid_tag_name = std::string( argv[i] );
pval = true;
break;
case 'r':
spectral_order = atoi( argv[i] );
pval = true;
break;
#endif
case 'v':
pval = parse_id_list( argv[i], geom[3] );
break;
case 's':
pval = parse_id_list( argv[i], geom[2] );
break;
case 'c':
pval = parse_id_list( argv[i], geom[1] );
break;
case 'V':
pval = parse_id_list( argv[i], geom[0] );
break;
case 'D':
pval = parse_id_list( argv[i], mesh[3] );
break;
case 'm':
pval = parse_id_list( argv[i], mesh[2] );
break;
case 'n':
pval = parse_id_list( argv[i], mesh[1] );
break;
case 'd':
pval = parse_id_list( argv[i], mesh[0] );
break;
case 'z':
metis_partition_file = argv[i];
pval = true;
break;
default:
std::cerr << "Invalid option: " << argv[i] << std::endl;
}
if( !pval )
{
std::cerr << "Invalid flag or flag value: " << argv[i - 1] << " " << argv[i] << std::endl;
usage_error( argv[0] );
}
}
}
// do file names
else
{
in.push_back( argv[i] );
}
}
if( in.size() < 2 )
{
std::cerr << "No output file name specified." << std::endl;
usage_error( argv[0] );
}
// output file name is the last one specified
out = in.back();
in.pop_back();
if( append_rank )
{
std::ostringstream mod;
mod << out << "." << proc_id;
out = mod.str();
}
if( percent_rank_subst )
{
for( j = in.begin(); j != in.end(); ++j )
*j = percent_subst( *j, proc_id );
out = percent_subst( out, proc_id );
}
// construct options string from individual options
std::string read_options, write_options;
if( parallel )
{
read_opts.push_back( "PARALLEL=READ_PART" );
read_opts.push_back( "PARTITION=PARALLEL_PARTITION" );
if( !append_rank && !percent_rank_subst ) write_opts.push_back( "PARALLEL=WRITE_PART" );
}
if( resolve_shared ) read_opts.push_back( "PARALLEL_RESOLVE_SHARED_ENTS" );
if( exchange_ghosts ) read_opts.push_back( "PARALLEL_GHOSTS=3.0.1" );
if( !make_opts_string( read_opts, read_options ) || !make_opts_string( write_opts, write_options ) )
{
#ifdef MOAB_HAVE_MPI
MPI_Finalize();
#endif
return USAGE_ERROR;
}
if( !metis_partition_file.empty() )
{
if( ( in.size() != 1 ) || ( proc_id != 0 ) )
{
std::cerr << " mpas partition allows only one input file, in serial conversion\n";
#ifdef MOAB_HAVE_MPI
MPI_Finalize();
#endif
return USAGE_ERROR;
}
}
Tag id_tag = gMB->globalId_tag();
// Read the input file.
#ifdef MOAB_HAVE_TEMPESTREMAP
if( tempestin && in.size() > 1 )
{
std::cerr << " we can read only one tempest files at a time\n";
#ifdef MOAB_HAVE_MPI
MPI_Finalize();
#endif
return USAGE_ERROR;
}
TempestRemapper* remapper = NULL;
if( tempestin or tempestout )
{
#ifdef MOAB_HAVE_MPI
remapper = new moab::TempestRemapper( gMB, pcomm );
#else
remapper = new moab::TempestRemapper( gMB );
#endif
}
bool use_overlap_context = false;
Tag srcParentTag, tgtParentTag;
#endif
for( j = in.begin(); j != in.end(); ++j )
{
std::string inFileName = *j;
reset_times();
#ifdef MOAB_HAVE_TEMPESTREMAP
if( remapper )
{
remapper->meshValidate = false;
// remapper->constructEdgeMap = true;
remapper->initialize();
if( tempestin )
{
// convert
result = remapper->LoadMesh( moab::Remapper::SourceMesh, inFileName, moab::TempestRemapper::DEFAULT );MB_CHK_ERR( result );
Mesh* tempestMesh = remapper->GetMesh( moab::Remapper::SourceMesh );
tempestMesh->RemoveZeroEdges();
tempestMesh->RemoveCoincidentNodes();
// Load the meshes and validate
result = remapper->ConvertTempestMesh( moab::Remapper::SourceMesh );
// Check if we are converting a RLL grid
NcFile ncInput( inFileName.c_str(), NcFile::ReadOnly );
NcError error_temp( NcError::silent_nonfatal );
// get the attribute
NcAtt* attRectilinear = ncInput.get_att( "rectilinear" );
// If rectilinear attribute present, mark it
std::vector< int > vecDimSizes( 3, 0 );
Tag rectilinearTag;
// Tag data contains: guessed mesh type, mesh size1, mesh size 2
// Example: CS(0)/ICO(1)/ICOD(2), num_elements, num_nodes
// : RLL(3), num_lat, num_lon
result = gMB->tag_get_handle( "ClimateMetadata", 3, MB_TYPE_INTEGER, rectilinearTag,
MB_TAG_SPARSE | MB_TAG_CREAT, vecDimSizes.data() );MB_CHK_SET_ERR( result, "can't create rectilinear sizes tag" );
if( attRectilinear != nullptr )
{
// Obtain rectilinear attributes (dimension sizes)
NcAtt* attRectilinearDim0Size = ncInput.get_att( "rectilinear_dim0_size" );
NcAtt* attRectilinearDim1Size = ncInput.get_att( "rectilinear_dim1_size" );
if( attRectilinearDim0Size == nullptr )
{
_EXCEPTIONT( "Missing attribute \"rectilinear_dim0_size\"" );
}
if( attRectilinearDim1Size == nullptr )
{
_EXCEPTIONT( "Missing attribute \"rectilinear_dim1_size\"" );
}
int nDim0Size = attRectilinearDim0Size->as_int( 0 );
int nDim1Size = attRectilinearDim1Size->as_int( 0 );
// Obtain rectilinear attributes (dimension names)
NcAtt* attRectilinearDim0Name = ncInput.get_att( "rectilinear_dim0_name" );
NcAtt* attRectilinearDim1Name = ncInput.get_att( "rectilinear_dim1_name" );
if( attRectilinearDim0Name == nullptr )
{
_EXCEPTIONT( "Missing attribute \"rectilinear_dim0_name\"" );
}
if( attRectilinearDim1Name == nullptr )
{
_EXCEPTIONT( "Missing attribute \"rectilinear_dim1_name\"" );
}
std::string strDim0Name = attRectilinearDim0Name->as_string( 0 );
std::string strDim1Name = attRectilinearDim1Name->as_string( 0 );
std::map< std::string, int > vecDimNameSizes;
// Push rectilinear attributes into array
vecDimNameSizes[strDim0Name] = nDim0Size;
vecDimNameSizes[strDim1Name] = nDim1Size;
vecDimSizes[0] = static_cast< int >( moab::TempestRemapper::RLL );
vecDimSizes[1] = vecDimNameSizes["lat"];
vecDimSizes[2] = vecDimNameSizes["lon"];
printf( "Rectilinear RLL mesh size: (lat) %d X (lon) %d\n", vecDimSizes[1], vecDimSizes[2] );
moab::EntityHandle mSet = 0;
// mSet = remapper->GetMeshSet( moab::Remapper::SourceMesh );
result = gMB->tag_set_data( rectilinearTag, &mSet, 1, vecDimSizes.data() );MB_CHK_ERR( result );
}
else
{
const Range& elems = remapper->GetMeshEntities( moab::Remapper::SourceMesh );
bool isQuads = elems.all_of_type( moab::MBQUAD );
bool isTris = elems.all_of_type( moab::MBTRI );
// vecDimSizes[0] = static_cast< int >( remapper->GetMeshType( moab::Remapper::SourceMesh );
vecDimSizes[0] = ( isQuads ? static_cast< int >( moab::TempestRemapper::CS )
: ( isTris ? static_cast< int >( moab::TempestRemapper::ICO )
: static_cast< int >( moab::TempestRemapper::ICOD ) ) );
vecDimSizes[1] = elems.size();
vecDimSizes[2] = remapper->GetMeshVertices( moab::Remapper::SourceMesh ).size();
switch( vecDimSizes[0] )
{
case 0:
printf( "Cubed-Sphere mesh: %d (elems), %d (nodes)\n", vecDimSizes[1], vecDimSizes[2] );
break;
case 2:
printf( "Icosahedral (triangular) mesh: %d (elems), %d (nodes)\n", vecDimSizes[1],
vecDimSizes[2] );
break;
case 3:
default:
printf( "Polygonal mesh: %d (elems), %d (nodes)\n", vecDimSizes[1], vecDimSizes[2] );
break;
}
moab::EntityHandle mSet = 0;
// mSet = remapper->GetMeshSet( moab::Remapper::SourceMesh );
result = gMB->tag_set_data( rectilinearTag, &mSet, 1, vecDimSizes.data() );MB_CHK_ERR( result );
}
ncInput.close();
const size_t nOverlapFaces = tempestMesh->faces.size();
if( tempestMesh->vecSourceFaceIx.size() == nOverlapFaces &&
tempestMesh->vecSourceFaceIx.size() == nOverlapFaces )
{
int defaultInt = -1;
use_overlap_context = true;
// Check if our MOAB mesh has RED and BLUE tags; this would indicate we are
// converting an overlap grid
result = gMB->tag_get_handle( "TargetParent", 1, MB_TYPE_INTEGER, tgtParentTag,
MB_TAG_DENSE | MB_TAG_CREAT, &defaultInt );MB_CHK_SET_ERR( result, "can't create target parent tag" );
result = gMB->tag_get_handle( "SourceParent", 1, MB_TYPE_INTEGER, srcParentTag,
MB_TAG_DENSE | MB_TAG_CREAT, &defaultInt );MB_CHK_SET_ERR( result, "can't create source parent tag" );
const Range& faces = remapper->GetMeshEntities( moab::Remapper::SourceMesh );
std::vector< int > gids( faces.size() ), srcpar( faces.size() ), tgtpar( faces.size() );
result = gMB->tag_get_data( id_tag, faces, &gids[0] );MB_CHK_ERR( result );
for( unsigned ii = 0; ii < faces.size(); ++ii )
{
srcpar[ii] = tempestMesh->vecSourceFaceIx[gids[ii] - 1];
tgtpar[ii] = tempestMesh->vecTargetFaceIx[gids[ii] - 1];
}
result = gMB->tag_set_data( srcParentTag, faces, &srcpar[0] );MB_CHK_ERR( result );
result = gMB->tag_set_data( tgtParentTag, faces, &tgtpar[0] );MB_CHK_ERR( result );
srcpar.clear();
tgtpar.clear();
gids.clear();
}
}
else if( tempestout )
{
moab::EntityHandle& srcmesh = remapper->GetMeshSet( moab::Remapper::SourceMesh );
moab::EntityHandle& ovmesh = remapper->GetMeshSet( moab::Remapper::OverlapMesh );
// load the mesh in MOAB format
std::vector< int > metadata(2);
result = remapper->LoadNativeMesh( *j, srcmesh, metadata );MB_CHK_ERR( result );
// Check if our MOAB mesh has RED and BLUE tags; this would indicate we are converting
// an overlap grid
ErrorCode rval1 = gMB->tag_get_handle( "SourceParent", srcParentTag );
ErrorCode rval2 = gMB->tag_get_handle( "TargetParent", tgtParentTag );
if( rval1 == MB_SUCCESS && rval2 == MB_SUCCESS )
{
use_overlap_context = true;
ovmesh = srcmesh;
Tag countTag;
result = gMB->tag_get_handle( "Counting", countTag );MB_CHK_ERR( result );
// Load the meshes and validate
Tag order;
ReorderTool reorder_tool( &core );
result = reorder_tool.handle_order_from_int_tag( srcParentTag, -1, order );MB_CHK_ERR( result );
result = reorder_tool.reorder_entities( order );MB_CHK_ERR( result );
result = gMB->tag_delete( order );MB_CHK_ERR( result );
result = remapper->ConvertMeshToTempest( moab::Remapper::OverlapMesh );MB_CHK_ERR( result );
}
else
{
if( metadata[0] == static_cast< int >( moab::TempestRemapper::RLL ) )
{
assert( metadata.size() );
std::cout << "Converting a RLL mesh with rectilinear dimension: " << metadata[0] << " X "
<< metadata[1] << std::endl;
}
// Convert the mesh and validate
result = remapper->ConvertMeshToTempest( moab::Remapper::SourceMesh );MB_CHK_ERR( result );
}
}
}
else
result = gMB->load_file( j->c_str(), 0, read_options.c_str() );
#else
result = gMB->load_file( j->c_str(), 0, read_options.c_str() );
#endif
if( MB_SUCCESS != result )
{
std::cerr << "Failed to load \"" << *j << "\"." << std::endl;
std::cerr << "Error code: " << gMB->get_error_string( result ) << " (" << result << ")" << std::endl;
std::string message;
if( MB_SUCCESS == gMB->get_last_error( message ) && !message.empty() )
std::cerr << "Error message: " << message << std::endl;
#ifdef MOAB_HAVE_MPI
MPI_Finalize();
#endif
return READ_ERROR;
}
if( !proc_id ) std::cerr << "Read \"" << *j << "\"" << std::endl;
if( print_times && !proc_id ) write_times( std::cout );
}
// Determine if the user has specified any geometry sets to write
bool have_geom = false;
for( dim = 0; dim <= 3; ++dim )
{
if( !geom[dim].empty() ) have_geom = true;
if( verbose ) print_id_list( geom_names[dim], std::cout, geom[dim] );
}
// True if the user has specified any sets to write
bool have_sets = have_geom;
// Get geometry tags
Tag dim_tag;
if( have_geom )
{
if( id_tag == 0 )
{
std::cerr << "No ID tag defined." << std::endl;
have_geom = false;
}
result = gMB->tag_get_handle( GEOM_DIMENSION_TAG_NAME, 1, MB_TYPE_INTEGER, dim_tag );
if( MB_SUCCESS != result )
{
std::cerr << "No geometry tag defined." << std::endl;
have_geom = false;
}
}
// Get geometry sets
if( have_geom )
{
int id_val;
Tag tags[] = { id_tag, dim_tag };
const void* vals[] = { &id_val, &dim };
for( dim = 0; dim <= 3; ++dim )
{
int init_count = set_list.size();
for( std::set< int >::iterator iter = geom[dim].begin(); iter != geom[dim].end(); ++iter )
{
id_val = *iter;
range.clear();
result = gMB->get_entities_by_type_and_tag( 0, MBENTITYSET, tags, vals, 2, range );
if( MB_SUCCESS != result || range.empty() )
{
range.clear();
std::cerr << geom_names[dim] << " " << id_val << " not found.\n";
}
std::copy( range.begin(), range.end(), std::back_inserter( set_list ) );
}
if( verbose )
std::cout << "Found " << ( set_list.size() - init_count ) << ' ' << geom_names[dim] << " sets"
<< std::endl;
}
}
// Get mesh groupings
for( i = 0; i < 4; ++i )
{
if( verbose ) print_id_list( mesh_tag_names[i], std::cout, mesh[i] );
if( mesh[i].empty() ) continue;
have_sets = true;
// Get tag
Tag tag;
result = gMB->tag_get_handle( mesh_tag_names[i], 1, MB_TYPE_INTEGER, tag );
if( MB_SUCCESS != result )
{
std::cerr << "Tag not found: " << mesh_tag_names[i] << std::endl;
continue;
}
// get entity sets
int init_count = set_list.size();
for( std::set< int >::iterator iter = mesh[i].begin(); iter != mesh[i].end(); ++iter )
{
range.clear();
const void* vals[] = { &*iter };
result = gMB->get_entities_by_type_and_tag( 0, MBENTITYSET, &tag, vals, 1, range );
if( MB_SUCCESS != result || range.empty() )
{
range.clear();
std::cerr << mesh_tag_names[i] << " " << *iter << " not found.\n";
}
std::copy( range.begin(), range.end(), std::back_inserter( set_list ) );
}
if( verbose )
std::cout << "Found " << ( set_list.size() - init_count ) << ' ' << mesh_tag_names[i] << " sets"
<< std::endl;
}
// Check if output is limited to certain dimensions of elements
bool bydim = false;
for( dim = 1; dim < 4; ++dim )
if( dims[dim] ) bydim = true;
// Check conflicting input
if( bydim )
{
if( generate[1] && !dims[1] )
{
std::cerr << "Warning: Request to generate 1D internal entities but not export them." << std::endl;
generate[1] = false;
}
if( generate[2] && !dims[2] )
{
std::cerr << "Warning: Request to generate 2D internal entities but not export them." << std::endl;
generate[2] = false;
}
}
// Generate any internal entities
if( generate[1] || generate[2] )
{
EntityHandle all_mesh = 0;
const EntityHandle* sets = &all_mesh;
int num_sets = 1;
if( have_sets )
{
num_sets = set_list.size();
sets = &set_list[0];
}
for( i = 0; i < num_sets; ++i )
{
Range dim3, dim2, adj;
gMB->get_entities_by_dimension( sets[i], 3, dim3, true );
if( generate[1] )
{
gMB->get_entities_by_dimension( sets[i], 2, dim2, true );
gMB->get_adjacencies( dim3, 1, true, adj, Interface::UNION );
gMB->get_adjacencies( dim2, 1, true, adj, Interface::UNION );
}
if( generate[2] )
{
gMB->get_adjacencies( dim3, 2, true, adj, Interface::UNION );
}
if( sets[i] ) gMB->add_entities( sets[i], adj );
}
}
// Delete any entities not of the dimensions to be exported
if( bydim )
{
// Get list of dead elements
Range dead_entities, tmp_range;
for( dim = 1; dim <= 3; ++dim )
{
if( dims[dim] ) continue;
gMB->get_entities_by_dimension( 0, dim, tmp_range );
dead_entities.merge( tmp_range );
}
// Remove dead entities from all sets, and add all
// empty sets to list of dead entities.
Range empty_sets;
remove_entities_from_sets( gMB, dead_entities, empty_sets );
while( !empty_sets.empty() )
{
if( !set_list.empty() ) remove_from_vector( set_list, empty_sets );
dead_entities.merge( empty_sets );
tmp_range.clear();
remove_entities_from_sets( gMB, empty_sets, tmp_range );
empty_sets = subtract( tmp_range, dead_entities );
}
// Destroy dead entities
gMB->delete_entities( dead_entities );
}
// If user specified sets to write, but none were found, exit.
if( have_sets && set_list.empty() )
{
std::cerr << "Nothing to write." << std::endl;
#ifdef MOAB_HAVE_MPI
MPI_Finalize();
#endif
return ENT_NOT_FOUND;
}
// interpret the mpas partition file created by gpmetis
if( !metis_partition_file.empty() )
{
int err = process_partition_file( gMB, metis_partition_file );
if( err )
{
std::cerr << "Failed to process partition file \"" << metis_partition_file << "\"." << std::endl;
#ifdef MOAB_HAVE_MPI
MPI_Finalize();
#endif
return WRITE_ERROR;
}
}
if( verbose )
{
if( have_sets )
std::cout << "Found " << set_list.size() << " specified sets to write (total)." << std::endl;
else
std::cout << "No sets specifed. Writing entire mesh." << std::endl;
}
// Write the output file
reset_times();
#ifdef MOAB_HAVE_TEMPESTREMAP
if( remapper )
{
Range faces;
Mesh* tempestMesh =
remapper->GetMesh( ( use_overlap_context ? moab::Remapper::OverlapMesh : moab::Remapper::SourceMesh ) );
moab::EntityHandle& srcmesh =
remapper->GetMeshSet( ( use_overlap_context ? moab::Remapper::OverlapMesh : moab::Remapper::SourceMesh ) );
result = gMB->get_entities_by_dimension( srcmesh, 2, faces );MB_CHK_ERR( result );
int ntot_elements = 0, nelements = faces.size();
#ifdef MOAB_HAVE_MPI
int ierr = MPI_Allreduce( &nelements, &ntot_elements, 1, MPI_INT, MPI_SUM, pcomm->comm() );
if( ierr != 0 ) MB_CHK_SET_ERR( MB_FAILURE, "MPI_Allreduce failed to get total source elements" );
#else
ntot_elements = nelements;
#endif
Tag gidTag = gMB->globalId_tag();
std::vector< int > gids( faces.size() );
result = gMB->tag_get_data( gidTag, faces, &gids[0] );MB_CHK_ERR( result );
if( faces.size() > 1 && gids[0] == gids[1] && !use_overlap_context )
{
#ifdef MOAB_HAVE_MPI
result = pcomm->assign_global_ids( srcmesh, 2, 1, false );MB_CHK_ERR( result );
#else
result = remapper->assign_vertex_element_IDs( gidTag, srcmesh, 2, 1 );MB_CHK_ERR( result );
result = remapper->assign_vertex_element_IDs( gidTag, srcmesh, 0, 1 );MB_CHK_ERR( result );
#endif
}
// VSM: If user requested explicitly for some metadata, we need to generate the DoF ID tag
// and set the appropriate numbering based on specified discretization order
// Useful only for SE meshes with GLL DoFs
if( spectral_order > 1 && globalid_tag_name.size() > 1 )
{
result = remapper->GenerateMeshMetadata( *tempestMesh, ntot_elements, faces, NULL, globalid_tag_name,
spectral_order );MB_CHK_ERR( result );
}
if( tempestout )
{
// Check if our MOAB mesh has RED and BLUE tags; this would indicate we are converting an
// overlap grid
if( use_overlap_context && false )
{
const int nOverlapFaces = faces.size();
// Overlap mesh: resize the source and target connection arrays
tempestMesh->vecSourceFaceIx.resize( nOverlapFaces ); // 0-based indices corresponding to source mesh
tempestMesh->vecTargetFaceIx.resize( nOverlapFaces ); // 0-based indices corresponding to target mesh
result = gMB->tag_get_data( srcParentTag, faces, &tempestMesh->vecSourceFaceIx[0] );MB_CHK_ERR( result );
result = gMB->tag_get_data( tgtParentTag, faces, &tempestMesh->vecTargetFaceIx[0] );MB_CHK_ERR( result );
}
// Write out the mesh using TempestRemap
tempestMesh->Write( out, NcFile::Netcdf4 );
file_written = true;
}
delete remapper; // cleanup
}
#endif
if( !file_written )
{
if( have_sets )
result = gMB->write_file( out.c_str(), format, write_options.c_str(), &set_list[0], set_list.size() );
else
result = gMB->write_file( out.c_str(), format, write_options.c_str() );
if( MB_SUCCESS != result )
{
std::cerr << "Failed to write \"" << out << "\"." << std::endl;
std::cerr << "Error code: " << gMB->get_error_string( result ) << " (" << result << ")" << std::endl;
std::string message;
if( MB_SUCCESS == gMB->get_last_error( message ) && !message.empty() )
std::cerr << "Error message: " << message << std::endl;
#ifdef MOAB_HAVE_MPI
MPI_Finalize();
#endif
return WRITE_ERROR;
}
}
if( !proc_id ) std::cerr << "Wrote \"" << out << "\"" << std::endl;
if( print_times && !proc_id ) write_times( std::cout );
#ifdef MOAB_HAVE_MPI
MPI_Finalize();
#endif
return 0;
}
| bool make_opts_string | ( | std::vector< std::string > | options, |
| std::string & | result | ||
| ) | [static] |
Definition at line 1090 of file convert.cpp.
Referenced by main().
{
opts.clear();
if( options.empty() ) return true;
// choose a separator character
std::vector< std::string >::const_iterator i;
char separator = '\0';
const char* alt_separators = ";+,:\t\n";
for( const char* sep_ptr = alt_separators; *sep_ptr; ++sep_ptr )
{
bool seen = false;
for( i = options.begin(); i != options.end(); ++i )
if( i->find( *sep_ptr, 0 ) != std::string::npos )
{
seen = true;
break;
}
if( !seen )
{
separator = *sep_ptr;
break;
}
}
if( !separator )
{
std::cerr << "Error: cannot find separator character for options string" << std::endl;
return false;
}
if( separator != ';' )
{
opts = ";";
opts += separator;
}
// concatenate options
i = options.begin();
opts += *i;
for( ++i; i != options.end(); ++i )
{
opts += separator;
opts += *i;
}
return true;
}
| bool parse_id_list | ( | const char * | string, |
| std::set< int > & | results | ||
| ) | [static] |
Definition at line 947 of file convert.cpp.
Referenced by main().
{
bool okay = true;
char* mystr = strdup( string );
for( const char* ptr = strtok( mystr, "," ); ptr; ptr = strtok( 0, "," ) )
{
char* endptr;
long val = strtol( ptr, &endptr, 0 );
if( endptr == ptr || val <= 0 )
{
std::cerr << "Not a valid id: " << ptr << std::endl;
okay = false;
break;
}
long val2 = val;
if( *endptr == '-' )
{
const char* sptr = endptr + 1;
val2 = strtol( sptr, &endptr, 0 );
if( endptr == sptr || val2 <= 0 )
{
std::cerr << "Not a valid id: " << sptr << std::endl;
okay = false;
break;
}
if( val2 < val )
{
std::cerr << "Invalid id range: " << ptr << std::endl;
okay = false;
break;
}
}
if( *endptr )
{
std::cerr << "Unexpected character: " << *endptr << std::endl;
okay = false;
break;
}
for( ; val <= val2; ++val )
if( !results.insert( (int)val ).second ) std::cerr << "Warning: duplicate Id: " << val << std::endl;
}
free( mystr );
return okay;
}
| std::string percent_subst | ( | const std::string & | s, |
| int | val | ||
| ) | [static] |
Definition at line 1209 of file convert.cpp.
Referenced by main().
{
if( s.empty() ) return s;
size_t j = s.find( '%' );
if( j == std::string::npos ) return s;
std::ostringstream st;
st << s.substr( 0, j );
st << val;
size_t i;
while( ( i = s.find( '%', j + 1 ) ) != std::string::npos )
{
st << s.substr( j, i - j );
st << val;
j = i;
}
st << s.substr( j + 1 );
return st.str();
}
| static void print_help | ( | const char * | name | ) | [static] |
Definition at line 117 of file convert.cpp.
References print_usage().
Referenced by main().
{
std::cout << " This program can be used to convert between mesh file\n"
" formats, extract a subset of a mesh file to a separate\n"
" file, or both. The type of file to write is determined\n"
" from the file extension (e.g. \".vtk\") portion of the\n"
" output file name.\n"
" \n"
" While MOAB strives to export and import all data from\n"
" each supported file format, most file formats do\n"
" not support MOAB's entire data model. Thus MOAB cannot\n"
" guarantee lossless conversion for any file formats\n"
" other than the native HDF5 representation.\n"
"\n";
print_usage( name, std::cout );
exit( 0 );
}
| void print_id_list | ( | const char * | head, |
| std::ostream & | stream, | ||
| const std::set< int > & | list | ||
| ) | [static] |
Definition at line 996 of file convert.cpp.
Referenced by main().
{
stream << head << ": ";
if( list.empty() )
{
stream << "(none)" << std::endl;
return;
}
int start, prev;
std::set< int >::const_iterator iter = list.begin();
start = prev = *( iter++ );
for( ;; )
{
if( iter == list.end() || *iter != 1 + prev )
{
stream << start;
if( prev != start ) stream << '-' << prev;
if( iter == list.end() ) break;
stream << ", ";
start = *iter;
}
prev = *( iter++ );
}
stream << std::endl;
}
| static void print_time | ( | int | clk_per_sec, |
| const char * | prefix, | ||
| clock_t | ticks, | ||
| std::ostream & | stream | ||
| ) | [static] |
Definition at line 1025 of file convert.cpp.
Referenced by build_coords(), main(), testA(), testB(), testC(), testD(), testE(), and write_times().
{
ticks *= clk_per_sec / 100;
clock_t centi = ticks % 100;
clock_t seconds = ticks / 100;
stream << prefix;
if( seconds < 120 )
{
stream << ( ticks / 100 ) << "." << centi << "s" << std::endl;
}
else
{
clock_t minutes = ( seconds / 60 ) % 60;
clock_t hours = ( seconds / 3600 );
seconds %= 60;
if( hours ) stream << hours << "h";
if( minutes ) stream << minutes << "m";
if( seconds || centi ) stream << seconds << "." << centi << "s";
stream << " (" << ( ticks / 100 ) << "." << centi << "s)" << std::endl;
}
}
| static void print_usage | ( | const char * | name, |
| std::ostream & | stream | ||
| ) | [static] |
Definition at line 59 of file convert.cpp.
Referenced by main(), print_help(), and usage_error().
{
stream << "Usage: " << name
<< " [-a <sat_file>|-A] [-t] [subset options] [-f format] <input_file> [<input_file2> "
"...] <output_file>"
<< std::endl
<< "\t-f <format> - Specify output file format" << std::endl
<< "\t-a <acis_file> - ACIS SAT file dumped by .cub reader (same as \"-o "
"SAT_FILE=acis_file\""
<< std::endl
<< "\t-A - .cub file reader should not dump a SAT file (depricated default)" << std::endl
<< "\t-o option - Specify write option." << std::endl
<< "\t-O option - Specify read option." << std::endl
<< "\t-t - Time read and write of files." << std::endl
<< "\t-g - Enable verbose/debug output." << std::endl
<< "\t-h - Print this help text and exit." << std::endl
<< "\t-l - List available file formats and exit." << std::endl
<< "\t-I <dim> - Generate internal entities of specified dimension." << std::endl
#ifdef MOAB_HAVE_MPI
<< "\t-P - Append processor ID to output file name" << std::endl
<< "\t-p - Replace '%' with processor ID in input and output file name" << std::endl
<< "\t-M[0|1|2] - Read/write in parallel, optionally also doing "
"resolve_shared_ents (1) and exchange_ghosts (2)"
<< std::endl
<< "\t-z <file> - Read metis partition information corresponding to an MPAS grid "
"file and create h5m partition file"
<< std::endl
#endif
#ifdef MOAB_HAVE_TEMPESTREMAP
<< "\t-B - Use TempestRemap exodus file reader and convert to MOAB format" << std::endl
<< "\t-b - Convert MOAB mesh to TempestRemap exodus file writer" << std::endl
<< "\t-i - Name of the global DoF tag to use with mbtempest" << std::endl
<< "\t-r - Order of field DoF (discretization) data; FV=1,SE=[1,N]" << std::endl
#endif
<< "\t-- - treat all subsequent options as file names" << std::endl
<< "\t (allows file names beginning with '-')" << std::endl
<< " subset options: " << std::endl
<< "\tEach of the following options should be followed by " << std::endl
<< "\ta list of ids. IDs may be separated with commas. " << std::endl
<< "\tRanges of IDs may be specified with a '-' between " << std::endl
<< "\ttwo values. The list may not contain spaces." << std::endl
<< "\t-v - Volume" << std::endl
<< "\t-s - Surface" << std::endl
<< "\t-c - Curve" << std::endl
<< "\t-V - Vertex" << std::endl
<< "\t-m - Material set (block)" << std::endl
<< "\t-d - Dirichlet set (nodeset)" << std::endl
<< "\t-n - Neumann set (sideset)" << std::endl
<< "\t-D - Parallel partitioning set (PARALLEL_PARTITION)" << std::endl
<< "\tThe presence of one or more of the following flags limits " << std::endl
<< "\tthe exported mesh to only elements of the corresponding " << std::endl
<< "\tdimension. Vertices are always exported." << std::endl
<< "\t-1 - Edges " << std::endl
<< "\t-2 - Tri, Quad, Polygon " << std::endl
<< "\t-3 - Tet, Hex, Prism, etc. " << std::endl;
}
| int process_partition_file | ( | Interface * | gMB, |
| std::string & | metis_partition_file | ||
| ) | [static] |
Definition at line 1231 of file convert.cpp.
References moab::Interface::add_entities(), moab::Interface::clear_meshset(), moab::Interface::create_meshset(), moab::Range::empty(), ErrorCode, moab::Interface::get_entities_by_dimension(), moab::Interface::get_entities_by_type_and_tag(), moab::Range::insert(), MB_CHK_ERR, MB_TAG_CREAT, MB_TAG_SPARSE, MB_TYPE_INTEGER, MBENTITYSET, MESHSET_SET, moab::Range::size(), moab::Interface::tag_delete_data(), moab::Interface::tag_get_data(), moab::Interface::tag_get_handle(), moab::Interface::tag_set_data(), and moab::Interface::UNION.
Referenced by main().
{
// how many faces in the file ? how do we make sure it is an mpas file?
// mpas atmosphere files can be downloaded from here
// https://mpas-dev.github.io/atmosphere/atmosphere_meshes.html
Range faces;
ErrorCode rval = mb->get_entities_by_dimension( 0, 2, faces );MB_CHK_ERR( rval );
std::cout << " MPAS model has " << faces.size() << " polygons\n";
// read the partition file
std::ifstream partfile;
partfile.open( metis_partition_file.c_str() );
std::string line;
std::vector< int > parts;
parts.resize( faces.size(), -1 );
int i = 0;
if( partfile.is_open() )
{
while( getline( partfile, line ) )
{
// cout << line << '\n';
parts[i++] = atoi( line.c_str() );
if( i > (int)faces.size() )
{
std::cerr << " too many lines in partition file \n. bail out \n";
return 1;
}
}
partfile.close();
}
std::vector< int >::iterator pmax = max_element( parts.begin(), parts.end() );
std::vector< int >::iterator pmin = min_element( parts.begin(), parts.end() );
if( *pmin <= -1 )
{
std::cerr << " partition file is incomplete, *pmin is -1 !! \n";
return 1;
}
std::cout << " partitions range: " << *pmin << " " << *pmax << "\n";
Tag part_set_tag;
int dum_id = -1;
rval = mb->tag_get_handle( "PARALLEL_PARTITION", 1, MB_TYPE_INTEGER, part_set_tag, MB_TAG_SPARSE | MB_TAG_CREAT,
&dum_id );MB_CHK_ERR( rval );
// get any sets already with this tag, and clear them
// remove the parallel partition sets if they exist
Range tagged_sets;
rval = mb->get_entities_by_type_and_tag( 0, MBENTITYSET, &part_set_tag, NULL, 1, tagged_sets, Interface::UNION );MB_CHK_ERR( rval );
if( !tagged_sets.empty() )
{
rval = mb->clear_meshset( tagged_sets );MB_CHK_ERR( rval );
rval = mb->tag_delete_data( part_set_tag, tagged_sets );MB_CHK_ERR( rval );
}
Tag gid;
rval = mb->tag_get_handle( "GLOBAL_ID", gid );MB_CHK_ERR( rval );
int num_sets = *pmax + 1;
if( *pmin != 0 )
{
std::cout << " problem reading parts; min is not 0 \n";
return 1;
}
for( i = 0; i < num_sets; i++ )
{
EntityHandle new_set;
rval = mb->create_meshset( MESHSET_SET, new_set );MB_CHK_ERR( rval );
tagged_sets.insert( new_set );
}
int* dum_ids = new int[num_sets];
for( i = 0; i < num_sets; i++ )
dum_ids[i] = i;
rval = mb->tag_set_data( part_set_tag, tagged_sets, dum_ids );MB_CHK_ERR( rval );
delete[] dum_ids;
std::vector< int > gids;
int num_faces = (int)faces.size();
gids.resize( num_faces );
rval = mb->tag_get_data( gid, faces, &gids[0] );MB_CHK_ERR( rval );
for( int j = 0; j < num_faces; j++ )
{
int eid = gids[j];
EntityHandle eh = faces[j];
int partition = parts[eid - 1];
if( partition < 0 || partition >= num_sets )
{
std::cout << " wrong partition number \n";
return 1;
}
rval = mb->add_entities( tagged_sets[partition], &eh, 1 );MB_CHK_ERR( rval );
}
return 0;
}
| void remove_entities_from_sets | ( | Interface * | gMB, |
| Range & | dead_entities, | ||
| Range & | empty_sets | ||
| ) | [static] |
Definition at line 1181 of file convert.cpp.
References moab::Range::begin(), moab::Range::clear(), moab::Range::empty(), moab::Range::end(), moab::Interface::get_entities_by_handle(), moab::Interface::get_entities_by_type(), moab::Range::insert(), moab::intersect(), MBENTITYSET, and moab::Interface::remove_entities().
Referenced by main().
{
empty_sets.clear();
Range sets;
gMB->get_entities_by_type( 0, MBENTITYSET, sets );
for( Range::iterator i = sets.begin(); i != sets.end(); ++i )
{
Range set_contents;
gMB->get_entities_by_handle( *i, set_contents, false );
set_contents = intersect( set_contents, dead_entities );
gMB->remove_entities( *i, set_contents );
set_contents.clear();
gMB->get_entities_by_handle( *i, set_contents, false );
if( set_contents.empty() ) empty_sets.insert( *i );
}
}
| void remove_from_vector | ( | std::vector< EntityHandle > & | vect, |
| const Range & | ents_to_remove | ||
| ) | [static] |
Definition at line 1198 of file convert.cpp.
References moab::Range::begin(), and moab::Range::end().
{
Range::const_iterator i;
std::vector< EntityHandle >::iterator j;
for( i = ents_to_remove.begin(); i != ents_to_remove.end(); ++i )
{
j = std::find( vect.begin(), vect.end(), *i );
if( j != vect.end() ) vect.erase( j );
}
}
| void reset_times | ( | ) | [static] |
Definition at line 1051 of file convert.cpp.
References abs_time.
Referenced by main().
{
abs_time = clock();
}
| static void usage_error | ( | const char * | name | ) | [static] |
Definition at line 136 of file convert.cpp.
References print_usage(), and USAGE_ERROR.
Referenced by main().
{
print_usage( name, std::cerr );
#ifdef MOAB_HAVE_MPI
MPI_Finalize();
#endif
exit( USAGE_ERROR );
}
| void write_times | ( | std::ostream & | stream | ) | [static] |
Definition at line 1056 of file convert.cpp.
References abs_time, and print_time().
Referenced by main().
{
clock_t abs_tm = clock();
print_time( CLOCKS_PER_SEC, " ", abs_tm - abs_time, stream );
abs_time = abs_tm;
}
| clock_t abs_time |
Definition at line 1047 of file convert.cpp.
Referenced by reset_times(), and write_times().
| clock_t sys_time |
Definition at line 1047 of file convert.cpp.
Referenced by reset_times(), and write_times().
| clock_t usr_time |
Definition at line 1047 of file convert.cpp.
Referenced by reset_times(), and write_times().
1.7.6.1