 |
Mesh Oriented datABase
(version 5.4.1)
Array-based unstructured mesh datastructure
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|
Mesh Oriented datABase
(version 5.4.1)
Array-based unstructured mesh datastructure
|
#include "moab/GeomQueryTool.hpp"#include "moab/GeomTopoTool.hpp"#include "InitCGMA.hpp"#include "CGMApp.hpp"#include "moab/CN.hpp"#include "moab/Core.hpp"#include "moab/CartVect.hpp"#include "moab/FileOptions.hpp"#include "moab/Skinner.hpp"#include "quads_to_tris.hpp"#include <limits>#include <cstdlib>#include <sstream>#include <ctime>
Include dependency graph for cub2h5m.cpp:Go to the source code of this file.
Defines | |
| #define | GF_CUBIT_FILE_TYPE "CUBIT" |
| #define | GF_STEP_FILE_TYPE "STEP" |
| #define | GF_IGES_FILE_TYPE "IGES" |
| #define | GF_ACIS_TXT_FILE_TYPE "ACIS_SAT" |
| #define | GF_ACIS_BIN_FILE_TYPE "ACIS_SAB" |
| #define | GF_OCC_BREP_FILE_TYPE "OCC" |
Functions | |
| void | tokenize (const std::string &str, std::vector< std::string > &tokens, const char *delimiters) |
| ErrorCode | get_group_names (Interface *MBI, const EntityHandle group_set, const Tag nameTag, std::vector< std::string > &grp_names) |
| ErrorCode | summarize_cell_volume_change (Interface *MBI, const EntityHandle cgm_file_set, const Tag categoryTag, const Tag dimTag, const Tag sizeTag, const Tag nameTag, const Tag idTag, const bool conserve_mass, const bool debug) |
| ErrorCode | remove_empty_cgm_surfs_and_vols (Interface *MBI, const EntityHandle cgm_file_set, const Tag idTag, const Tag dimTag, const bool) |
| ErrorCode | build_new_surface (Interface *MBI, EntityHandle &new_surf, const EntityHandle forward_parent_vol, const EntityHandle reverse_parent_vol, const int new_surf_id, const Tag dimTag, const Tag idTag, const Tag categoryTag, const Tag senseTag) |
| ErrorCode | orient_faces_outward (Interface *MBI, const Range &faces, const bool) |
| void | plot_histogram (const std::string &title, const std::string &x_axis_label, const std::string &y_axis_label, const int n_bins, const double data[], const int n_data) |
| void | generate_plots (const double orig[], const double defo[], const int n_elems, const std::string &time_step) |
| static double | tet_volume (const CartVect &v0, const CartVect &v1, const CartVect &v2, const CartVect &v3) |
| double | measure (Interface *MBI, const EntityHandle element) |
| ErrorCode | get_signed_volume (Interface *MBI, const EntityHandle surf_set, const CartVect &offset, double &signed_volume) |
| ErrorCode | fix_surface_senses (Interface *MBI, const EntityHandle cgm_file_set, const EntityHandle cub_file_set, const Tag idTag, const Tag dimTag, const Tag senseTag, const bool debug) |
| ErrorCode | replace_faceted_cgm_surfs (Interface *MBI, const EntityHandle cgm_file_set, const EntityHandle cub_file_set, const Tag idTag, const Tag dimTag, const bool debug) |
| ErrorCode | add_dead_elems_to_impl_compl (Interface *MBI, const EntityHandle cgm_file_set, const EntityHandle cub_file_set, const Tag idTag, const Tag dimTag, const Tag categoryTag, const Tag senseTag, const bool debug) |
| const char * | get_geom_file_type (const char *filename) |
| const char * | get_geom_fptr_type (FILE *file) |
| int | is_cubit_file (FILE *file) |
| int | is_step_file (FILE *file) |
| int | is_iges_file (FILE *file) |
| int | is_acis_txt_file (FILE *file) |
| int | is_acis_bin_file (FILE *file) |
| int | is_occ_brep_file (FILE *file) |
| int | main (int argc, char *argv[]) |
Variables | |
| double | DEFAULT_DISTANCE = 0.001 |
| double | DEFAULT_LEN = 0.0 |
| int | DEFAULT_NORM = 5 |
| #define GF_ACIS_BIN_FILE_TYPE "ACIS_SAB" |
Definition at line 20 of file cub2h5m.cpp.
Referenced by get_geom_fptr_type().
| #define GF_ACIS_TXT_FILE_TYPE "ACIS_SAT" |
Definition at line 19 of file cub2h5m.cpp.
Referenced by get_geom_fptr_type().
| #define GF_CUBIT_FILE_TYPE "CUBIT" |
Definition at line 16 of file cub2h5m.cpp.
Referenced by get_geom_fptr_type().
| #define GF_IGES_FILE_TYPE "IGES" |
Definition at line 18 of file cub2h5m.cpp.
Referenced by get_geom_fptr_type().
| #define GF_OCC_BREP_FILE_TYPE "OCC" |
Definition at line 21 of file cub2h5m.cpp.
Referenced by get_geom_fptr_type().
| #define GF_STEP_FILE_TYPE "STEP" |
Definition at line 17 of file cub2h5m.cpp.
Referenced by get_geom_fptr_type().
| ErrorCode add_dead_elems_to_impl_compl | ( | Interface * | MBI, |
| const EntityHandle | cgm_file_set, | ||
| const EntityHandle | cub_file_set, | ||
| const Tag | idTag, | ||
| const Tag | dimTag, | ||
| const Tag | categoryTag, | ||
| const Tag | senseTag, | ||
| const bool | debug | ||
| ) |
Definition at line 860 of file cub2h5m.cpp.
References moab::Interface::add_entities(), moab::Range::begin(), build_new_surface(), moab::Range::empty(), moab::Range::end(), ErrorCode, moab::Skinner::find_skin(), moab::Range::front(), moab::Interface::get_child_meshsets(), moab::Interface::get_entities_by_type(), moab::Interface::get_entities_by_type_and_tag(), idTag, moab::intersect(), MB_INVALID_SIZE, MB_SUCCESS, MBENTITYSET, MBHEX, MBQUAD, orient_faces_outward(), moab::Interface::remove_entities(), moab::Range::size(), moab::subtract(), and moab::Interface::tag_get_data().
Referenced by main().
{
// Get the cgm surfaces
ErrorCode result;
const int two = 2;
const void* const two_val[] = { &two };
Range cgm_surfs;
result = MBI->get_entities_by_type_and_tag( cgm_file_set, MBENTITYSET, &dimTag, two_val, 1, cgm_surfs );
if( MB_SUCCESS != result ) return result;
// Get the maximum surface id. This is so that new surfaces do not have
// duplicate ids.
int max_surf_id = -1;
for( Range::const_iterator i = cgm_surfs.begin(); i != cgm_surfs.end(); ++i )
{
int surf_id;
result = MBI->tag_get_data( idTag, &( *i ), 1, &surf_id );
if( MB_SUCCESS != result ) return result;
if( max_surf_id < surf_id ) max_surf_id = surf_id;
}
std::cout << " Maximum surface id=" << max_surf_id << std::endl;
// For each cgm volume, does a cub volume with the same id exist?
const int three = 3;
const void* const three_val[] = { &three };
Range cgm_vols;
result = MBI->get_entities_by_type_and_tag( cgm_file_set, MBENTITYSET, &dimTag, three_val, 1, cgm_vols );
if( MB_SUCCESS != result ) return result;
// get the corresponding cub volume
for( Range::iterator i = cgm_vols.begin(); i != cgm_vols.end(); ++i )
{
int vol_id;
result = MBI->tag_get_data( idTag, &( *i ), 1, &vol_id );
assert( MB_SUCCESS == result );
if( MB_SUCCESS != result ) return result;
std::cout << " Volume " << vol_id;
// Find the meshed vol set with the same id
Range cub_vol;
const Tag tags[] = { idTag, dimTag };
const void* const tag_vals[] = { &vol_id, &three };
result = MBI->get_entities_by_type_and_tag( cub_file_set, MBENTITYSET, tags, tag_vals, 2, cub_vol );
assert( MB_SUCCESS == result );
if( MB_SUCCESS != result ) return result;
if( 1 != cub_vol.size() )
{
std::cout << ": no meshed representation found" << std::endl;
continue;
}
else
{
std::cout << std::endl;
}
// get the mesh elements of the volume.
Range elems;
result = MBI->get_entities_by_type( cub_vol.front(), MBHEX, elems );
assert( MB_SUCCESS == result );
if( MB_SUCCESS != result ) return result;
if( debug ) std::cout << " found " << elems.size() << " hex elems" << std::endl;
// skin the volumes
Skinner tool( MBI );
Range skin_faces;
result = tool.find_skin( 0, elems, 2, skin_faces, true );
assert( MB_SUCCESS == result );
if( MB_SUCCESS != result ) return result;
// Reconcile the difference between faces of the cub file surfaces and skin
// faces of the 3D mesh. The difference exists because dead elements have been
// removed. Faces are divided into:
// cub_faces (in) - the faces in the cub file surface
// skin_faces (in) - the faces of the 3D mesh elements
// common_faces (out)- the faces common to both the cub file surface and 3D mesh
// they are still adjacent to this volume
// old_faces (out)- the faces of the cub surface not on the 3D mesh skin
// they are no longer adjacent to this vol
// new_faces (out)- the faces of the 3D mesh skin not on the cub surface
// they are now adjacent to this volume
// get cub child surfaces.
Range cub_surfs;
result = MBI->get_child_meshsets( cub_vol.front(), cub_surfs );
assert( MB_SUCCESS == result );
if( MB_SUCCESS != result ) return result;
for( Range::iterator j = cub_surfs.begin(); j != cub_surfs.end(); ++j )
{
int surf_id;
result = MBI->tag_get_data( idTag, &( *j ), 1, &surf_id );
assert( MB_SUCCESS == result );
if( MB_SUCCESS != result ) return result;
// get the quads on each surface
Range cub_faces;
result = MBI->get_entities_by_type( *j, MBQUAD, cub_faces );
assert( MB_SUCCESS == result );
if( MB_SUCCESS != result ) return result;
// Meshed volumes must have meshed surfaces
if( cub_faces.empty() )
{
std::cout << " Surface " << surf_id << ": contains no meshed faces" << std::endl;
// return MB_ENTITY_NOT_FOUND;
}
// get the faces common to both the skin and this surface
Range common_faces = intersect( cub_faces, skin_faces );
// find the surface faces not on the skin - these are old and need removed
Range old_faces = subtract( cub_faces, common_faces );
result = MBI->remove_entities( *j, old_faces );
assert( MB_SUCCESS == result );
if( MB_SUCCESS != result ) return result;
// remove the common faces from the skin faces
skin_faces = subtract( skin_faces, common_faces );
// If no old faces exist we are done
if( old_faces.empty() ) continue;
std::cout << " Surface " << surf_id << ": " << old_faces.size() << " old faces removed" << std::endl;
// Place the old faces in a new surface, because they may still be adjacent
// to 3D mesh in another volume. Get the parent vols of the surface.
Range cgm_surf;
const Tag tags2[] = { idTag, dimTag };
const void* const tag_vals2[] = { &surf_id, &two };
result = MBI->get_entities_by_type_and_tag( cgm_file_set, MBENTITYSET, tags2, tag_vals2, 2, cgm_surf );
assert( MB_SUCCESS == result );
if( MB_SUCCESS != result ) return result;
if( 1 != cgm_surf.size() )
{
std::cout << "invalid size" << std::endl;
return MB_INVALID_SIZE;
}
EntityHandle cgm_vols2[2], cub_vols[2];
result = MBI->tag_get_data( senseTag, cgm_surf, &cgm_vols2 );
assert( MB_SUCCESS == result );
if( MB_SUCCESS != result ) return result;
result = MBI->tag_get_data( senseTag, &( *j ), 1, &cub_vols );
assert( MB_SUCCESS == result );
if( MB_SUCCESS != result ) return result;
// for the new surf, replace the current volume with the impl compl vol.
// This is because the faces that no longer exist will become adjacent to
// the impl compl
if( *i == cgm_vols2[0] )
{
cgm_vols2[0] = 0;
cub_vols[0] = 0;
}
if( *i == cgm_vols2[1] )
{
cgm_vols2[1] = 0;
cub_vols[1] = 0;
}
// If both sides of the surface are the impl comp, do not create the surface.
if( 0 == cgm_vols2[0] && 0 == cgm_vols2[1] )
{
std::cout << " New surface was not created for old faces because both parents "
"are impl_compl volume "
<< std::endl;
continue;
}
// build the new surface.
EntityHandle new_cgm_surf, new_cub_surf;
++max_surf_id;
result = build_new_surface( MBI, new_cgm_surf, cgm_vols2[0], cgm_vols2[1], max_surf_id, dimTag, idTag,
categoryTag, senseTag );
assert( MB_SUCCESS == result );
if( MB_SUCCESS != result ) return result;
result = build_new_surface( MBI, new_cub_surf, cub_vols[0], cub_vols[1], max_surf_id, dimTag, idTag,
categoryTag, senseTag );
assert( MB_SUCCESS == result );
if( MB_SUCCESS != result ) return result;
// add the new surface to the file set and populate it with the old faces
result = MBI->add_entities( cgm_file_set, &new_cgm_surf, 1 );
assert( MB_SUCCESS == result );
if( MB_SUCCESS != result ) return result;
assert( MB_SUCCESS == result );
result = MBI->add_entities( cub_file_set, &new_cub_surf, 1 );
if( MB_SUCCESS != result ) return result;
assert( MB_SUCCESS == result );
result = MBI->add_entities( new_cub_surf, old_faces );
assert( MB_SUCCESS == result );
if( MB_SUCCESS != result ) return result;
std::cout << " Surface " << max_surf_id << ": created for " << old_faces.size() << " old faces"
<< std::endl;
}
// the remaining skin faces are newly exposed faces
Range new_faces = skin_faces;
// new skin faces must be assigned to a surface
if( new_faces.empty() ) continue;
std::cout << " Surface " << max_surf_id + 1 << ": created for " << new_faces.size() << " new faces"
<< std::endl;
// Ensure that faces are oriented outwards
result = orient_faces_outward( MBI, new_faces, debug );
assert( MB_SUCCESS == result );
if( MB_SUCCESS != result ) return result;
// Create the new surface.
EntityHandle new_cgm_surf, new_cub_surf;
++max_surf_id;
result = build_new_surface( MBI, new_cgm_surf, *i, 0, max_surf_id, dimTag, idTag, categoryTag, senseTag );
assert( MB_SUCCESS == result );
if( MB_SUCCESS != result ) return result;
result = build_new_surface( MBI, new_cub_surf, cub_vol.front(), 0, max_surf_id, dimTag, idTag, categoryTag,
senseTag );
assert( MB_SUCCESS == result );
if( MB_SUCCESS != result ) return result;
// Insert the new surf into file sets and populate it with faces.
result = MBI->add_entities( cgm_file_set, &new_cgm_surf, 1 );
assert( MB_SUCCESS == result );
if( MB_SUCCESS != result ) return result;
result = MBI->add_entities( cub_file_set, &new_cub_surf, 1 );
assert( MB_SUCCESS == result );
if( MB_SUCCESS != result ) return result;
result = MBI->add_entities( new_cub_surf, new_faces );
assert( MB_SUCCESS == result );
if( MB_SUCCESS != result ) return result;
}
return MB_SUCCESS;
}
| ErrorCode build_new_surface | ( | Interface * | MBI, |
| EntityHandle & | new_surf, | ||
| const EntityHandle | forward_parent_vol, | ||
| const EntityHandle | reverse_parent_vol, | ||
| const int | new_surf_id, | ||
| const Tag | dimTag, | ||
| const Tag | idTag, | ||
| const Tag | categoryTag, | ||
| const Tag | senseTag | ||
| ) |
Definition at line 300 of file cub2h5m.cpp.
References moab::Interface::add_parent_child(), CATEGORY_TAG_SIZE, moab::Interface::create_meshset(), ErrorCode, moab::geom_category, MB_SUCCESS, and moab::Interface::tag_set_data().
Referenced by add_dead_elems_to_impl_compl().
{
ErrorCode result;
result = MBI->create_meshset( 0, new_surf );
if( MB_SUCCESS != result ) return result;
if( 0 != forward_parent_vol )
{
result = MBI->add_parent_child( forward_parent_vol, new_surf );
if( MB_SUCCESS != result ) return result;
}
if( 0 != reverse_parent_vol )
{
result = MBI->add_parent_child( reverse_parent_vol, new_surf );
if( MB_SUCCESS != result ) return result;
}
const int two = 2;
result = MBI->tag_set_data( dimTag, &new_surf, 1, &two );
if( MB_SUCCESS != result ) return result;
result = MBI->tag_set_data( idTag, &new_surf, 1, &new_surf_id );
if( MB_SUCCESS != result ) return result;
const char geom_category[CATEGORY_TAG_SIZE] = { "Surface\0" };
result = MBI->tag_set_data( categoryTag, &new_surf, 1, &geom_category );
if( MB_SUCCESS != result ) return result;
EntityHandle vols[2] = { forward_parent_vol, reverse_parent_vol };
result = MBI->tag_set_data( senseTag, &new_surf, 1, vols );
if( MB_SUCCESS != result ) return result;
return MB_SUCCESS;
}
| ErrorCode fix_surface_senses | ( | Interface * | MBI, |
| const EntityHandle | cgm_file_set, | ||
| const EntityHandle | cub_file_set, | ||
| const Tag | idTag, | ||
| const Tag | dimTag, | ||
| const Tag | senseTag, | ||
| const bool | debug | ||
| ) |
Definition at line 694 of file cub2h5m.cpp.
References moab::Interface::add_entities(), moab::Range::begin(), moab::Range::end(), ErrorCode, moab::Range::front(), moab::Interface::get_entities_by_type(), moab::Interface::get_entities_by_type_and_tag(), get_signed_volume(), idTag, make_tris_from_quads(), MB_SUCCESS, MBENTITYSET, MBQUAD, moab::Range::size(), moab::Interface::tag_get_data(), and moab::Interface::tag_set_data().
Referenced by main().
{
ErrorCode result;
const int two = 2;
const void* const two_val[] = { &two };
Range cgm_surfs;
result = MBI->get_entities_by_type_and_tag( cgm_file_set, MBENTITYSET, &dimTag, two_val, 1, cgm_surfs );
if( MB_SUCCESS != result ) return result;
for( Range::iterator i = cgm_surfs.begin(); i != cgm_surfs.end(); ++i )
{
int surf_id;
result = MBI->tag_get_data( idTag, &( *i ), 1, &surf_id );
if( MB_SUCCESS != result ) return result;
// Find the meshed surface set with the same id
Range cub_surf;
const Tag tags[] = { idTag, dimTag };
const void* const tag_vals[] = { &surf_id, &two };
result = MBI->get_entities_by_type_and_tag( cub_file_set, MBENTITYSET, tags, tag_vals, 2, cub_surf );
if( MB_SUCCESS != result ) return result;
if( 1 != cub_surf.size() )
{
std::cout << " Surface " << surf_id << ": no meshed representation found, using CAD representation instead"
<< std::endl;
continue;
}
// Get tris that represent the quads of the cub surf
Range quads;
result = MBI->get_entities_by_type( cub_surf.front(), MBQUAD, quads );
if( MB_SUCCESS != result ) return result;
Range cub_tris;
result = make_tris_from_quads( MBI, quads, cub_tris );
if( MB_SUCCESS != result ) return result;
// Add the tris to the same surface meshset as the quads are inside.
result = MBI->add_entities( cub_surf.front(), cub_tris );
if( MB_SUCCESS != result ) return result;
// get the signed volume for each surface representation. Keep trying until
// The signed volumes are much greater than numerical precision. Planar
// surfaces will have a signed volume of zero if the plane goes through the
// origin, unless we apply an offset.
const int n_attempts = 100;
const int max_random = 10;
const double min_signed_vol = 0.1;
double cgm_signed_vol, cub_signed_vol;
for( int j = 0; j < n_attempts; ++j )
{
cgm_signed_vol = 0;
cub_signed_vol = 0;
CartVect offset( std::rand() % max_random, std::rand() % max_random, std::rand() % max_random );
result = get_signed_volume( MBI, *i, offset, cgm_signed_vol );
if( MB_SUCCESS != result ) return result;
result = get_signed_volume( MBI, cub_surf.front(), offset, cub_signed_vol );
if( MB_SUCCESS != result ) return result;
if( debug )
std::cout << " surf_id=" << surf_id << " cgm_signed_vol=" << cgm_signed_vol
<< " cub_signed_vol=" << cub_signed_vol << std::endl;
if( fabs( cgm_signed_vol ) > min_signed_vol && fabs( cub_signed_vol ) > min_signed_vol ) break;
if( n_attempts == j + 1 )
{
std::cout << "error: signed volume could not be calculated unambiguously" << std::endl;
return MB_FAILURE;
}
}
// If the sign is different, reverse the cgm senses so that both
// representations have the same signed volume.
if( ( cgm_signed_vol < 0 && cub_signed_vol > 0 ) || ( cgm_signed_vol > 0 && cub_signed_vol < 0 ) )
{
EntityHandle cgm_surf_volumes[2], reversed_cgm_surf_volumes[2];
result = MBI->tag_get_data( senseTag, &( *i ), 1, cgm_surf_volumes );
if( MB_SUCCESS != result ) return result;
if( MB_SUCCESS != result ) return result;
reversed_cgm_surf_volumes[0] = cgm_surf_volumes[1];
reversed_cgm_surf_volumes[1] = cgm_surf_volumes[0];
result = MBI->tag_set_data( senseTag, &( *i ), 1, reversed_cgm_surf_volumes );
if( MB_SUCCESS != result ) return result;
}
}
return MB_SUCCESS;
}
| void generate_plots | ( | const double | orig[], |
| const double | defo[], | ||
| const int | n_elems, | ||
| const std::string & | time_step | ||
| ) |
Definition at line 570 of file cub2h5m.cpp.
References plot_histogram().
Referenced by main().
{
// find volume ratio then max and min
double* ratio = new double[n_elems];
for( int i = 0; i < n_elems; ++i )
ratio[i] = ( defo[i] - orig[i] ) / orig[i];
plot_histogram( "Predeformed Element Volume", "Num_Elems", "Volume [cc]", 10, orig, n_elems );
std::string title = "Element Volume Change Ratio at Time Step " + time_step;
plot_histogram( title, "Num_Elems", "Volume Ratio", 10, ratio, n_elems );
delete[] ratio;
}
| const char * get_geom_file_type | ( | const char * | filename | ) |
Definition at line 1440 of file cub2h5m.cpp.
References get_geom_fptr_type().
Referenced by main().
{
FILE* file;
const char* result = 0;
file = fopen( name, "r" );
if( file )
{
result = get_geom_fptr_type( file );
fclose( file );
}
return result;
}
| const char * get_geom_fptr_type | ( | FILE * | file | ) |
Definition at line 1455 of file cub2h5m.cpp.
References GF_ACIS_BIN_FILE_TYPE, GF_ACIS_TXT_FILE_TYPE, GF_CUBIT_FILE_TYPE, GF_IGES_FILE_TYPE, GF_OCC_BREP_FILE_TYPE, GF_STEP_FILE_TYPE, is_acis_bin_file(), is_acis_txt_file(), is_cubit_file(), is_iges_file(), is_occ_brep_file(), and is_step_file().
Referenced by get_geom_file_type().
{
static const char* CUBIT_NAME = GF_CUBIT_FILE_TYPE;
static const char* STEP_NAME = GF_STEP_FILE_TYPE;
static const char* IGES_NAME = GF_IGES_FILE_TYPE;
static const char* SAT_NAME = GF_ACIS_TXT_FILE_TYPE;
static const char* SAB_NAME = GF_ACIS_BIN_FILE_TYPE;
static const char* BREP_NAME = GF_OCC_BREP_FILE_TYPE;
if( is_cubit_file( file ) )
return CUBIT_NAME;
else if( is_step_file( file ) )
return STEP_NAME;
else if( is_iges_file( file ) )
return IGES_NAME;
else if( is_acis_bin_file( file ) )
return SAB_NAME;
else if( is_acis_txt_file( file ) )
return SAT_NAME;
else if( is_occ_brep_file( file ) )
return BREP_NAME;
else
return 0;
}
| ErrorCode get_group_names | ( | Interface * | MBI, |
| const EntityHandle | group_set, | ||
| const Tag | nameTag, | ||
| std::vector< std::string > & | grp_names | ||
| ) |
Definition at line 41 of file cub2h5m.cpp.
References ErrorCode, MB_SUCCESS, MB_TAG_NOT_FOUND, NAME_TAG_SIZE, and moab::Interface::tag_get_data().
Referenced by summarize_cell_volume_change().
{
// get names
char name0[NAME_TAG_SIZE];
std::fill( name0, name0 + NAME_TAG_SIZE, '\0' );
ErrorCode result = MBI->tag_get_data( nameTag, &group_set, 1, &name0 );
if( MB_SUCCESS != result && MB_TAG_NOT_FOUND != result ) return MB_FAILURE;
if( MB_TAG_NOT_FOUND != result ) grp_names.push_back( std::string( name0 ) );
return MB_SUCCESS;
}
| ErrorCode get_signed_volume | ( | Interface * | MBI, |
| const EntityHandle | surf_set, | ||
| const CartVect & | offset, | ||
| double & | signed_volume | ||
| ) |
Definition at line 653 of file cub2h5m.cpp.
References moab::Range::begin(), moab::Range::end(), ErrorCode, moab::Interface::get_connectivity(), moab::Interface::get_coords(), moab::Interface::get_entities_by_type(), MB_INVALID_SIZE, MB_SUCCESS, and MBTRI.
Referenced by fix_surface_senses().
{
ErrorCode rval;
Range tris;
rval = MBI->get_entities_by_type( surf_set, MBTRI, tris );
if( MB_SUCCESS != rval ) return rval;
signed_volume = 0.0;
const EntityHandle* conn;
int len;
CartVect coords[3];
for( Range::iterator j = tris.begin(); j != tris.end(); ++j )
{
rval = MBI->get_connectivity( *j, conn, len, true );
if( MB_SUCCESS != rval ) return rval;
if( 3 != len ) return MB_INVALID_SIZE;
rval = MBI->get_coords( conn, 3, coords[0].array() );
if( MB_SUCCESS != rval ) return rval;
// Apply offset to avoid calculating 0 for cases when the origin is in the
// plane of the surface.
for( unsigned int k = 0; k < 3; ++k )
{
coords[k][0] += offset[0];
coords[k][1] += offset[1];
coords[k][2] += offset[2];
}
coords[1] -= coords[0];
coords[2] -= coords[0];
signed_volume += ( coords[0] % ( coords[1] * coords[2] ) );
}
return MB_SUCCESS;
}
| int is_acis_bin_file | ( | FILE * | file | ) |
Definition at line 1498 of file cub2h5m.cpp.
References buffer.
Referenced by get_geom_fptr_type().
{
char buffer[15];
return !fseek( file, 0, SEEK_SET ) && fread( buffer, 15, 1, file ) && !memcmp( buffer, "ACIS BinaryFile", 9 );
}
| int is_acis_txt_file | ( | FILE * | file | ) |
Definition at line 1504 of file cub2h5m.cpp.
References buffer, and length().
Referenced by get_geom_fptr_type().
{
char buffer[5];
int version, length;
if( fseek( file, 0, SEEK_SET ) || 2 != fscanf( file, "%d %*d %*d %*d %d ", &version, &length ) ) return 0;
if( version < 1 || version > 0xFFFF ) return 0;
// Skip application name
if( fseek( file, length, SEEK_CUR ) ) return 0;
// Read length of version string followed by first 5 characters
if( 2 != fscanf( file, "%d %4s", &length, buffer ) ) return 0;
return !strcmp( buffer, "ACIS" );
}
| int is_cubit_file | ( | FILE * | file | ) |
Definition at line 1480 of file cub2h5m.cpp.
References buffer.
Referenced by get_geom_fptr_type().
{
unsigned char buffer[4];
return !fseek( file, 0, SEEK_SET ) && fread( buffer, 4, 1, file ) && !memcmp( buffer, "CUBE", 4 );
}
| int is_iges_file | ( | FILE * | file | ) |
Definition at line 1492 of file cub2h5m.cpp.
References buffer.
Referenced by get_geom_fptr_type().
{
unsigned char buffer[10];
return !fseek( file, 72, SEEK_SET ) && fread( buffer, 10, 1, file ) && !memcmp( buffer, "S 1\r\n", 10 );
}
| int is_occ_brep_file | ( | FILE * | file | ) |
Definition at line 1522 of file cub2h5m.cpp.
References buffer.
Referenced by get_geom_fptr_type().
{
unsigned char buffer[6];
return !fseek( file, 0, SEEK_SET ) && fread( buffer, 6, 1, file ) && !memcmp( buffer, "DBRep_", 6 );
}
| int is_step_file | ( | FILE * | file | ) |
Definition at line 1486 of file cub2h5m.cpp.
References buffer.
Referenced by get_geom_fptr_type().
{
unsigned char buffer[9];
return !fseek( file, 0, SEEK_SET ) && fread( buffer, 9, 1, file ) && !memcmp( buffer, "ISO-10303", 9 );
}
| int main | ( | int | argc, |
| char * | argv[] | ||
| ) |
Definition at line 1129 of file cub2h5m.cpp.
References add_dead_elems_to_impl_compl(), moab::Range::begin(), CATEGORY_TAG_NAME, CATEGORY_TAG_SIZE, moab::Core::create_meshset(), moab::debug, moab::Range::end(), ErrorCode, fix_surface_senses(), generate_plots(), GEOM_DIMENSION_TAG_NAME, moab::Core::get_entities_by_dimension(), moab::Core::get_entities_by_type_and_tag(), get_geom_file_type(), moab::Core::get_last_error(), moab::Core::globalId_tag(), idTag, moab::Core::load_file(), MB_SUCCESS, MB_TAG_CREAT, MB_TAG_DENSE, MB_TAG_SPARSE, MB_TYPE_DOUBLE, MB_TYPE_HANDLE, MB_TYPE_INTEGER, MB_TYPE_OPAQUE, MBENTITYSET, moab::measure(), moab::GeomQueryTool::measure_volume(), MESHSET_TRACK_OWNER, NAME_TAG_NAME, NAME_TAG_SIZE, nameTag, remove_empty_cgm_surfs_and_vols(), replace_faceted_cgm_surfs(), moab::Core::set_meshset_options(), size, moab::Range::size(), start_time, summarize_cell_volume_change(), moab::Core::tag_get_handle(), moab::Core::tag_set_data(), and moab::Core::write_mesh().
{
clock_t start_time = clock();
const bool debug = false;
const char* file_type = NULL;
const char* cub_name = 0;
const char* exo_name = 0;
const char* out_name = 0;
const char* time_step = 0;
const char* sat_name = 0;
double dist_tol = 0.001, len_tol = 0.0;
int norm_tol = 5;
if( 6 != argc && 9 != argc )
{
std::cerr << "To read meshed geometry for MOAB:" << std::endl;
std::cerr << "$> <cub_file.cub> <acis_file.sat> <facet_tol> <output_file.h5m> conserve_mass<bool>" << std::endl;
std::cerr << "To read meshed geometry for MOAB and update node coordinates:" << std::endl;
std::cerr << "$> <cub_file.cub> <acis_file.sat> <facet_tol> <output_file.h5m> "
"<deformed_exo_file.e> time_step<int> check_vol_change<bool> conserve_mass<bool>"
<< std::endl;
exit( 4 );
}
// check filenames for proper suffix
std::string temp;
cub_name = argv[1];
temp.assign( cub_name );
if( std::string::npos == temp.find( ".cub" ) )
{
std::cerr << "cub_file does not have correct suffix" << std::endl;
return 1;
}
sat_name = argv[2]; // needed because the cub file's embedded sat file does not have groups
temp.assign( sat_name );
if( std::string::npos == temp.find( ".sat" ) )
{
std::cerr << "sat_file does not have correct suffix" << std::endl;
return 1;
}
out_name = argv[4];
temp.assign( out_name );
if( std::string::npos == temp.find( ".h5m" ) )
{
std::cerr << "out_file does not have correct suffix" << std::endl;
return 1;
}
// get the facet tolerance
dist_tol = atof( argv[3] );
if( 0 > dist_tol || 1 < dist_tol )
{
std::cout << "error: facet_tolerance=" << dist_tol << std::endl;
return 1;
}
// Should the nodes be updated?
bool update_coords = false;
if( 9 == argc )
{
exo_name = argv[5];
temp.assign( exo_name );
if( std::string::npos == temp.find( ".e" ) )
{
std::cerr << "e_file does not have correct suffix" << std::endl;
return 1;
}
time_step = argv[6];
update_coords = true;
}
// Should the volume change be determined?
bool determine_volume_change = false;
if( 9 == argc )
{
temp.assign( argv[7] );
if( std::string::npos != temp.find( "true" ) ) determine_volume_change = true;
}
// Should densities be changed to conserve mass?
bool conserve_mass = false;
if( 9 == argc )
{
temp.assign( argv[8] );
if( std::string::npos != temp.find( "true" ) ) conserve_mass = true;
}
else if( 6 == argc )
{
temp.assign( argv[5] );
if( std::string::npos != temp.find( "true" ) ) conserve_mass = true;
}
// Get CGM file type
if( !file_type )
{
file_type = get_geom_file_type( cub_name );
if( !file_type )
{
std::cerr << cub_name << " : unknown file type, try '-t'" << std::endl;
exit( 1 );
}
}
// Read the mesh from the cub file with Tqcdfr
Core* MBI = new Core();
ErrorCode result;
EntityHandle cub_file_set;
result = MBI->create_meshset( 0, cub_file_set );
if( MB_SUCCESS != result ) return result;
// Do not ignore the Cubit file version. In testing, a cub file from Cubit12
// did not work.
// char cub_options[256] = "120";
// char cub_options[256] = "IGNORE_VERSION";
// result = MBI->load_file(cub_name, &cub_file_set, cub_options, NULL, 0, 0);
result = MBI->load_file( cub_name, &cub_file_set, 0, NULL, 0, 0 );
if( MB_SUCCESS != result )
{
std::cout << "error: problem reading cub file" << std::endl;
return result;
}
std::cout << "Mesh file read." << std::endl;
// Read the ACIS file with ReadCGM
char cgm_options[256];
std::cout << " facet tolerance=" << dist_tol << std::endl;
sprintf( cgm_options,
"CGM_ATTRIBS=yes;FACET_DISTANCE_TOLERANCE=%g;FACET_NORMAL_TOLERANCE=%d;MAX_FACET_EDGE_"
"LENGTH=%g;",
dist_tol, norm_tol, len_tol );
EntityHandle cgm_file_set;
result = MBI->create_meshset( 0, cgm_file_set );
if( MB_SUCCESS != result ) return result;
result = MBI->load_file( sat_name, &cgm_file_set, cgm_options, NULL, 0, 0 );
if( MB_SUCCESS != result )
{
std::cout << "error: problem reading sat file" << std::endl;
return result;
}
std::cout << "CAD file read." << std::endl;
// Create tags
Tag dimTag, idTag, categoryTag, senseTag, sizeTag, nameTag;
result = MBI->tag_get_handle( GEOM_DIMENSION_TAG_NAME, 1, MB_TYPE_INTEGER, dimTag, MB_TAG_SPARSE | MB_TAG_CREAT );
if( MB_SUCCESS != result ) return result;
idTag = MBI->globalId_tag();
result = MBI->tag_get_handle( CATEGORY_TAG_NAME, CATEGORY_TAG_SIZE, MB_TYPE_OPAQUE, categoryTag,
MB_TAG_SPARSE | MB_TAG_CREAT );
if( MB_SUCCESS != result ) return result;
result = MBI->tag_get_handle( "GEOM_SENSE_2", 2, MB_TYPE_HANDLE, senseTag, MB_TAG_SPARSE | MB_TAG_CREAT );
if( MB_SUCCESS != result ) return result;
result = MBI->tag_get_handle( "GEOM_SIZE", 1, MB_TYPE_DOUBLE, sizeTag, MB_TAG_DENSE | MB_TAG_CREAT );
if( MB_SUCCESS != result ) return result;
result = MBI->tag_get_handle( NAME_TAG_NAME, NAME_TAG_SIZE, MB_TYPE_OPAQUE, nameTag, MB_TAG_SPARSE | MB_TAG_CREAT );
if( MB_SUCCESS != result ) return result;
// Create triangles from the quads of the cub surface sets and add them to the
// cub surface sets. Get the signed volume of each surface for both cgm and
// cub representations. Change the sense of the cgm representation to match
// the cub representation.
result = fix_surface_senses( MBI, cgm_file_set, cub_file_set, idTag, dimTag, senseTag, debug );
if( MB_SUCCESS != result ) return result;
std::cout << "Fixed CAD surface senses to match meshed surface senses." << std::endl;
// Get the 3D elements in the cub file and measure their volume.
Range orig_elems;
std::vector< double > orig_size;
if( determine_volume_change )
{
result = MBI->get_entities_by_dimension( 0, 3, orig_elems );
if( MB_SUCCESS != result ) return result;
orig_size.resize( orig_elems.size() );
for( unsigned int i = 0; i < orig_elems.size(); ++i )
{
orig_size[i] = measure( MBI, orig_elems[i] );
}
}
// Before updating the nodes and removing dead elements, force the cub volume
// sets to track ownership so that dead elements will be deleted from the sets.
const int three = 3;
const void* const three_val[] = { &three };
Range cub_vols;
result = MBI->get_entities_by_type_and_tag( cub_file_set, MBENTITYSET, &dimTag, three_val, 1, cub_vols );
if( MB_SUCCESS != result ) return result;
for( Range::const_iterator i = cub_vols.begin(); i != cub_vols.end(); ++i )
{
result = MBI->set_meshset_options( *i, MESHSET_TRACK_OWNER );
if( MB_SUCCESS != result ) return result;
}
// Tag volume sets with the undeformed size of each volume.
Range vol_sets;
result = MBI->get_entities_by_type_and_tag( cgm_file_set, MBENTITYSET, &dimTag, three_val, 1, vol_sets );
if( MB_SUCCESS != result ) return result;
moab::GeomTopoTool gtt = moab::GeomTopoTool( MBI, false );
moab::GeomQueryTool gqt = moab::GeomQueryTool( >t );
for( Range::const_iterator i = vol_sets.begin(); i != vol_sets.end(); ++i )
{
double size;
result = gqt.measure_volume( *i, size );
if( MB_SUCCESS != result ) return result;
result = MBI->tag_set_data( sizeTag, &( *i ), 1, &size );
if( MB_SUCCESS != result ) return result;
}
// Update the coordinates if needed. Do not do this before checking surface
// sense, because the coordinate update could deform the surfaces too much
// to make an accurate comparison.
// The cub node ids are unique because cgm vertex ids are tagged on the vertex
// meshset and not the vertex itself.
// result = MBI->delete_entities( &cub_file_set, 1 );
// if(MB_SUCCESS != result) return result;
// Assume dead elements exist until I think of something better.
bool dead_elements_exist = true;
if( update_coords )
{
// ReadNCDF my_ex_reader(MBI);
char exo_options[120] = "tdata=coord,";
strcat( exo_options, time_step );
strcat( exo_options, ",set" );
// FileOptions exo_opts(exo_options) ;
// opts = "tdata=coord, 100, sum, temp.exo";
// result = my_ex_reader.load_file(exo_name, cgm_file_set, exo_opts, NULL, 0 , 0);
// result = my_ex_reader.load_file(exo_name, cub_file_set, exo_opts, NULL, 0 , 0);
// result = my_ex_reader.load_file(exo_name, &cub_file_set, exo_opts, NULL, 0 , 0);
MBI->load_file( exo_name, &cub_file_set, exo_options );
if( MB_SUCCESS != result )
{
std::string last_error;
MBI->get_last_error( last_error );
std::cout << "coordinate update failed, " << last_error << std::endl;
return result;
}
std::cout << "Updated mesh nodes with deformed coordinates from exodus file." << std::endl;
}
if( determine_volume_change )
{
// Dead elements have been removed by the deformation. Get the elements that
// still exist.
Range defo_elems;
result = MBI->get_entities_by_dimension( 0, 3, defo_elems );
if( MB_SUCCESS != result ) return result;
// Determine the volume of the elements now that a deformation has been
// applied. Condense the original array by removing dead elements.
double* orig_size_condensed = new double[defo_elems.size()];
double* defo_size_condensed = new double[defo_elems.size()];
int j = 0;
for( unsigned int i = 0; i < orig_elems.size(); ++i )
{
if( orig_elems[i] == defo_elems[j] )
{
orig_size_condensed[j] = orig_size[i];
defo_size_condensed[j] = measure( MBI, defo_elems[j] );
++j;
}
}
generate_plots( orig_size_condensed, defo_size_condensed, defo_elems.size(), std::string( time_step ) );
delete[] orig_size_condensed; // can't use the same delete[] for both
delete[] defo_size_condensed;
}
// Deal with dead elements. For now, add them to the impl_compl volume.
// Extra surfaces are created to do this.
if( update_coords && dead_elements_exist )
{
result = add_dead_elems_to_impl_compl( MBI, cgm_file_set, cub_file_set, idTag, dimTag, categoryTag, senseTag,
debug );
if( MB_SUCCESS != result ) return result;
std::cout << "Placed dead elements in implicit complement volume and added required surfaces." << std::endl;
}
// The quads in the cub_file_set have been updated for dead elements. For each
// cgm_surf, if there exists a cub_surf with the same id, replace the cgm tris
// with cub_tris (created from the quads). Note the a surface that is not
// meshed (in cub file) will not be effected.
result = replace_faceted_cgm_surfs( MBI, cgm_file_set, cub_file_set, idTag, dimTag, debug );
if( MB_SUCCESS != result ) return result;
std::cout << "Replaced faceted CAD surfaces with meshed surfaces of triangles." << std::endl;
result = remove_empty_cgm_surfs_and_vols( MBI, cgm_file_set, idTag, dimTag, debug );
if( MB_SUCCESS != result ) return result;
std::cout << "Removed surfaces and volumes that no longer have any triangles." << std::endl;
// For each material, sum the volume. If the coordinates were updated for
// deformation, summarize the volume change.
result = summarize_cell_volume_change( MBI, cgm_file_set, categoryTag, dimTag, sizeTag, nameTag, idTag,
conserve_mass, debug );
if( MB_SUCCESS != result ) return result;
std::cout << "Summarized the volume change of each material, with respect to the solid model." << std::endl;
result = MBI->write_mesh( out_name, &cgm_file_set, 1 );
if( MB_SUCCESS != result )
{
std::cout << "write mesh failed" << std::endl;
return result;
}
std::cout << "Saved output file for mesh-based analysis." << std::endl;
clock_t end_time = clock();
std::cout << " " << (double)( end_time - start_time ) / CLOCKS_PER_SEC << " seconds" << std::endl;
std::cout << std::endl;
return 0;
}
| double measure | ( | Interface * | MBI, |
| const EntityHandle | element | ||
| ) |
Definition at line 591 of file cub2h5m.cpp.
References ErrorCode, moab::Interface::get_connectivity(), moab::Interface::get_coords(), length(), MB_SUCCESS, MBEDGE, MBHEX, MBPOLYGON, MBPRISM, MBPYRAMID, MBQUAD, MBTET, MBTRI, moab::sum(), tet_volume(), and moab::Interface::type_from_handle().
{
EntityType type = MBI->type_from_handle( element );
const EntityHandle* conn;
int num_vertices;
ErrorCode result = MBI->get_connectivity( element, conn, num_vertices );
if( MB_SUCCESS != result ) return result;
std::vector< CartVect > coords( num_vertices );
result = MBI->get_coords( conn, num_vertices, coords[0].array() );
if( MB_SUCCESS != result ) return result;
switch( type )
{
case MBEDGE:
return ( coords[0] - coords[1] ).length();
case MBTRI:
return 0.5 * ( ( coords[1] - coords[0] ) * ( coords[2] - coords[0] ) ).length();
case MBQUAD:
num_vertices = 4;
case MBPOLYGON: {
CartVect mid( 0, 0, 0 );
for( int i = 0; i < num_vertices; ++i )
mid += coords[i];
mid /= num_vertices;
double sum = 0.0;
for( int i = 0; i < num_vertices; ++i )
{
int j = ( i + 1 ) % num_vertices;
sum += ( ( mid - coords[i] ) * ( mid - coords[j] ) ).length();
}
return 0.5 * sum;
}
case MBTET:
return tet_volume( coords[0], coords[1], coords[2], coords[3] );
case MBPYRAMID:
return tet_volume( coords[0], coords[1], coords[2], coords[4] ) +
tet_volume( coords[0], coords[2], coords[3], coords[4] );
case MBPRISM:
return tet_volume( coords[0], coords[1], coords[2], coords[5] ) +
tet_volume( coords[3], coords[5], coords[4], coords[0] ) +
tet_volume( coords[1], coords[4], coords[5], coords[0] );
case MBHEX:
return tet_volume( coords[0], coords[1], coords[3], coords[4] ) +
tet_volume( coords[7], coords[3], coords[6], coords[4] ) +
tet_volume( coords[4], coords[5], coords[1], coords[6] ) +
tet_volume( coords[1], coords[6], coords[3], coords[4] ) +
tet_volume( coords[2], coords[6], coords[3], coords[1] );
default:
return 0.0;
}
}
| ErrorCode orient_faces_outward | ( | Interface * | MBI, |
| const Range & | faces, | ||
| const bool | |||
| ) |
Definition at line 341 of file cub2h5m.cpp.
References moab::Range::begin(), moab::CN::Dimension(), moab::Range::end(), ErrorCode, moab::Range::front(), moab::Interface::get_adjacencies(), moab::Interface::get_connectivity(), MB_INVALID_SIZE, MB_SUCCESS, moab::Interface::set_connectivity(), moab::CN::SideNumber(), moab::Range::size(), and moab::Interface::type_from_handle().
Referenced by add_dead_elems_to_impl_compl().
{
ErrorCode result;
for( Range::const_iterator i = faces.begin(); i != faces.end(); ++i )
{
Range adj_elem;
result = MBI->get_adjacencies( &( *i ), 1, 3, false, adj_elem );
if( MB_SUCCESS != result ) return result;
if( 1 != adj_elem.size() ) return MB_INVALID_SIZE;
// get connectivity for element and face
const EntityHandle* elem_conn;
int elem_n_nodes;
result = MBI->get_connectivity( adj_elem.front(), elem_conn, elem_n_nodes );
if( MB_SUCCESS != result ) return result;
const EntityHandle* face_conn;
int face_n_nodes;
result = MBI->get_connectivity( *i, face_conn, face_n_nodes );
if( MB_SUCCESS != result ) return result;
// Get the sense of the face wrt the element
EntityType elem_type = MBI->type_from_handle( adj_elem.front() );
EntityType face_type = MBI->type_from_handle( *i );
int face_num, offset;
int sense = 0;
const int face_dim = CN::Dimension( face_type );
int rval = CN::SideNumber( elem_type, elem_conn, face_conn, face_n_nodes, face_dim, face_num, sense, offset );
if( 0 != rval ) return MB_FAILURE;
// If the face is not oriented outward wrt the element, reverse it
if( -1 == sense )
{
EntityHandle new_face_conn[4] = { face_conn[3], face_conn[2], face_conn[1], face_conn[0] };
result = MBI->set_connectivity( *i, new_face_conn, 4 );
if( MB_SUCCESS != result ) return result;
}
}
return MB_SUCCESS;
}
| void plot_histogram | ( | const std::string & | title, |
| const std::string & | x_axis_label, | ||
| const std::string & | y_axis_label, | ||
| const int | n_bins, | ||
| const double | data[], | ||
| const int | n_data | ||
| ) |
Definition at line 500 of file cub2h5m.cpp.
Referenced by generate_plots().
{
// find max and min
double min = std::numeric_limits< double >::max();
double max = -std::numeric_limits< double >::max();
for( int i = 0; i < n_data; ++i )
{
if( min > data[i] ) min = data[i];
if( max < data[i] ) max = data[i];
}
// make bins for histogram
double bin_width = ( max - min ) / n_bins;
std::vector< int > bins( n_bins );
for( int i = 0; i < n_bins; ++i )
bins[i] = 0;
// fill the bins
for( int i = 0; i < n_data; ++i )
{
double diff = data[i] - min;
int bin = diff / bin_width;
if( 9 < bin ) bin = 9; // cheap fix for numerical precision error
if( 0 > bin ) bin = 0; // cheap fix for numerical precision error
++bins[bin];
}
// create bars
int max_bin = 0;
for( int i = 0; i < n_bins; ++i )
if( max_bin < bins[i] ) max_bin = bins[i];
int bar_height;
int max_bar_chars = 72;
std::vector< std::string > bars( n_bins );
for( int i = 0; i < n_bins; ++i )
{
bar_height = ( max_bar_chars * bins[i] ) / max_bin;
for( int j = 0; j < bar_height; ++j )
bars[i] += "*";
}
// print histogram header
std::cout << std::endl;
std::cout << " " << title << std::endl;
// print results
std::cout.width( 15 );
std::cout << min << std::endl;
for( int i = 0; i < n_bins; ++i )
{
std::cout.width( 15 );
std::cout << min + ( ( i + 1 ) * bin_width );
std::cout.width( max_bar_chars );
std::cout << bars[i] << bins[i] << std::endl;
}
// print histogram footer
std::cout.width( 15 );
std::cout << y_axis_label;
std::cout.width( max_bar_chars );
std::cout << " " << x_axis_label << std::endl;
std::cout << std::endl;
}
| ErrorCode remove_empty_cgm_surfs_and_vols | ( | Interface * | MBI, |
| const EntityHandle | cgm_file_set, | ||
| const Tag | idTag, | ||
| const Tag | dimTag, | ||
| const bool | |||
| ) |
Definition at line 188 of file cub2h5m.cpp.
References moab::Range::begin(), moab::Interface::contains_entities(), moab::Interface::delete_entities(), moab::Range::end(), ErrorCode, moab::Interface::get_child_meshsets(), moab::Interface::get_entities_by_type(), moab::Interface::get_entities_by_type_and_tag(), moab::Interface::get_number_entities_by_type(), moab::Interface::get_parent_meshsets(), MB_SUCCESS, MBENTITYSET, MBTRI, moab::Interface::num_child_meshsets(), moab::Interface::remove_entities(), moab::Interface::remove_parent_child(), and moab::Interface::tag_get_data().
Referenced by main().
{
ErrorCode result;
const int two = 2;
const void* const two_val[] = { &two };
Range cgm_surfs;
result = MBI->get_entities_by_type_and_tag( cgm_file_set, MBENTITYSET, &dimTag, two_val, 1, cgm_surfs );
if( MB_SUCCESS != result ) return result;
for( Range::iterator i = cgm_surfs.begin(); i != cgm_surfs.end(); ++i )
{
int n_tris;
result = MBI->get_number_entities_by_type( *i, MBTRI, n_tris );
if( MB_SUCCESS != result ) return result;
if( 0 == n_tris )
{
int surf_id;
result = MBI->tag_get_data( idTag, &( *i ), 1, &surf_id );
assert( MB_SUCCESS == result );
Range parent_vols;
result = MBI->get_parent_meshsets( *i, parent_vols );
assert( MB_SUCCESS == result );
for( Range::iterator j = parent_vols.begin(); j != parent_vols.end(); ++j )
{
result = MBI->remove_parent_child( *j, *i );
assert( MB_SUCCESS == result );
}
Range child_curves;
result = MBI->get_child_meshsets( *i, child_curves );
assert( MB_SUCCESS == result );
for( Range::iterator j = child_curves.begin(); j != child_curves.end(); ++j )
{
result = MBI->remove_parent_child( *i, *j );
assert( MB_SUCCESS == result );
}
result = MBI->remove_entities( cgm_file_set, &( *i ), 1 );
assert( MB_SUCCESS == result );
// Is the set contained anywhere else? If the surface is in a CUBIT group,
// such as "unmerged_surfs" it will cause write_mesh to fail. This should
// be a MOAB bug.
Range all_sets;
result = MBI->get_entities_by_type( 0, MBENTITYSET, all_sets );
assert( MB_SUCCESS == result );
for( Range::iterator j = all_sets.begin(); j != all_sets.end(); ++j )
{
if( MBI->contains_entities( *j, &( *i ), 1 ) )
{
result = MBI->remove_entities( *j, &( *i ), 1 );
assert( MB_SUCCESS == result );
}
}
result = MBI->delete_entities( &( *i ), 1 );
assert( MB_SUCCESS == result );
std::cout << " Surface " << surf_id << ": removed because all of its mesh faces have been removed"
<< std::endl;
}
}
// get all volumes
const int three = 3;
const void* const three_val[] = { &three };
Range cgm_vols;
result = MBI->get_entities_by_type_and_tag( cgm_file_set, MBENTITYSET, &dimTag, three_val, 1, cgm_vols );
if( MB_SUCCESS != result ) return result;
for( Range::iterator i = cgm_vols.begin(); i != cgm_vols.end(); ++i )
{
// get the volume's number of surfaces
int n_surfs;
result = MBI->num_child_meshsets( *i, &n_surfs );
assert( MB_SUCCESS == result );
// if no surfaces remain, remove the volume
if( 0 == n_surfs )
{
int vol_id;
result = MBI->tag_get_data( idTag, &( *i ), 1, &vol_id );
assert( MB_SUCCESS == result );
// Is the set contained anywhere else? If the surface is in a CUBIT group,
// such as "unmerged_surfs" it will cause write_mesh to fail. This should
// be a MOAB bug.
Range all_sets;
result = MBI->get_entities_by_type( 0, MBENTITYSET, all_sets );
assert( MB_SUCCESS == result );
for( Range::iterator j = all_sets.begin(); j != all_sets.end(); ++j )
{
if( MBI->contains_entities( *j, &( *i ), 1 ) )
{
result = MBI->remove_entities( *j, &( *i ), 1 );
assert( MB_SUCCESS == result );
}
}
result = MBI->delete_entities( &( *i ), 1 );
assert( MB_SUCCESS == result );
std::cout << " Volume " << vol_id << ": removed because all of its surfaces have been removed"
<< std::endl;
}
}
return MB_SUCCESS;
}
| ErrorCode replace_faceted_cgm_surfs | ( | Interface * | MBI, |
| const EntityHandle | cgm_file_set, | ||
| const EntityHandle | cub_file_set, | ||
| const Tag | idTag, | ||
| const Tag | dimTag, | ||
| const bool | debug | ||
| ) |
Definition at line 791 of file cub2h5m.cpp.
References moab::Interface::add_entities(), moab::Range::begin(), moab::Interface::delete_entities(), moab::Range::end(), ErrorCode, moab::Range::front(), moab::Interface::get_entities_by_type(), moab::Interface::get_entities_by_type_and_tag(), idTag, make_tris_from_quads(), MB_SUCCESS, MBENTITYSET, MBQUAD, MBTRI, moab::Interface::remove_entities(), moab::Range::size(), and moab::Interface::tag_get_data().
Referenced by main().
{
ErrorCode result;
const int two = 2;
const void* const two_val[] = { &two };
Range cgm_surfs;
result = MBI->get_entities_by_type_and_tag( cgm_file_set, MBENTITYSET, &dimTag, two_val, 1, cgm_surfs );
if( MB_SUCCESS != result ) return result;
for( Range::iterator i = cgm_surfs.begin(); i != cgm_surfs.end(); ++i )
{
int surf_id;
result = MBI->tag_get_data( idTag, &( *i ), 1, &surf_id );
if( MB_SUCCESS != result ) return result;
if( debug ) std::cout << "surf_id=" << surf_id << std::endl;
// Find the meshed surface set with the same id
Range cub_surf;
const Tag tags[] = { idTag, dimTag };
const void* const tag_vals[] = { &surf_id, &two };
result = MBI->get_entities_by_type_and_tag( cub_file_set, MBENTITYSET, tags, tag_vals, 2, cub_surf );
if( MB_SUCCESS != result ) return result;
if( 1 != cub_surf.size() )
{
std::cout << " Surface " << surf_id << ": no meshed representation found, using CAD representation instead"
<< std::endl;
continue;
}
// Get tris that represent the quads of the cub surf
Range quads;
result = MBI->get_entities_by_type( cub_surf.front(), MBQUAD, quads );
if( MB_SUCCESS != result ) return result;
Range cub_tris;
result = make_tris_from_quads( MBI, quads, cub_tris );
if( MB_SUCCESS != result ) return result;
// Remove the tris from the cgm surf. Don't forget to remove them from the
// cgm_file_set because it is not TRACKING.
Range cgm_tris;
result = MBI->get_entities_by_type( *i, MBTRI, cgm_tris );
if( MB_SUCCESS != result ) return result;
result = MBI->remove_entities( *i, cgm_tris );
if( MB_SUCCESS != result ) return result;
result = MBI->remove_entities( cgm_file_set, cgm_tris );
if( MB_SUCCESS != result ) return result;
result = MBI->delete_entities( cgm_tris );
if( MB_SUCCESS != result ) return result;
// Add the cub_tris to the cgm_surf
result = MBI->add_entities( *i, cub_tris );
if( MB_SUCCESS != result ) return result;
}
return MB_SUCCESS;
}
| ErrorCode summarize_cell_volume_change | ( | Interface * | MBI, |
| const EntityHandle | cgm_file_set, | ||
| const Tag | categoryTag, | ||
| const Tag | dimTag, | ||
| const Tag | sizeTag, | ||
| const Tag | nameTag, | ||
| const Tag | idTag, | ||
| const bool | conserve_mass, | ||
| const bool | debug | ||
| ) |
Definition at line 59 of file cub2h5m.cpp.
References moab::Interface::add_entities(), moab::Range::begin(), CATEGORY_TAG_SIZE, moab::Interface::create_meshset(), moab::Range::end(), ErrorCode, moab::Interface::get_entities_by_type_and_tag(), get_group_names(), MB_SUCCESS, MBENTITYSET, moab::GeomQueryTool::measure_volume(), MESHSET_SET, moab::Interface::remove_entities(), moab::Interface::tag_get_data(), moab::Interface::tag_set_data(), and tokenize().
Referenced by main().
{
// get groups
ErrorCode rval;
const char group_category[CATEGORY_TAG_SIZE] = { "Group\0" };
const void* const group_val[] = { &group_category };
Range groups;
rval = MBI->get_entities_by_type_and_tag( 0, MBENTITYSET, &categoryTag, group_val, 1, groups );
if( MB_SUCCESS != rval ) return rval;
// Get the maximum group id. This is so that new groups do not have
// duplicate ids.
int max_grp_id = -1;
for( Range::const_iterator i = groups.begin(); i != groups.end(); ++i )
{
int grp_id;
rval = MBI->tag_get_data( idTag, &( *i ), 1, &grp_id );
if( MB_SUCCESS != rval ) return rval;
if( max_grp_id < grp_id ) max_grp_id = grp_id;
}
if( conserve_mass )
{
std::cout << " Altering group densities to conserve mass for each volume." << std::endl;
std::cout << " maximum group id=" << max_grp_id << std::endl;
}
for( Range::const_iterator i = groups.begin(); i != groups.end(); ++i )
{
// get group names
std::vector< std::string > grp_names;
rval = get_group_names( MBI, *i, nameTag, grp_names );
if( MB_SUCCESS != rval ) return MB_FAILURE;
// determine if it is a material group
bool material_grp = false;
int mat_id = -1;
double rho = 0;
for( std::vector< std::string >::const_iterator j = grp_names.begin(); j != grp_names.end(); ++j )
{
if( std::string::npos != ( *j ).find( "mat" ) && std::string::npos != ( *j ).find( "rho" ) )
{
material_grp = true;
std::cout << " material group: " << *j << std::endl;
// get the density and material id
std::vector< std::string > tokens;
tokenize( *j, tokens, "_" );
mat_id = atoi( tokens[1].c_str() );
rho = atof( tokens[3].c_str() );
}
}
if( !material_grp ) continue;
// get the volume sets of the material group
const int three = 3;
const void* const three_val[] = { &three };
Range vols;
rval = MBI->get_entities_by_type_and_tag( *i, MBENTITYSET, &dimTag, three_val, 1, vols );
if( MB_SUCCESS != rval ) return rval;
// for each volume, sum predeformed and deformed volume
double orig_grp_volume = 0, defo_grp_volume = 0;
moab::GeomTopoTool gtt = moab::GeomTopoTool( MBI, false );
moab::GeomQueryTool gqt = moab::GeomQueryTool( >t );
for( Range::const_iterator j = vols.begin(); j != vols.end(); ++j )
{
double defo_size = 0, orig_size = 0;
rval = gqt.measure_volume( *j, defo_size );
if( MB_SUCCESS != rval ) return rval;
defo_grp_volume += defo_size;
rval = MBI->tag_get_data( sizeTag, &( *j ), 1, &orig_size );
if( MB_SUCCESS != rval ) return rval;
orig_grp_volume += orig_size;
// calculate a new density to conserve mass through the deformation
if( !conserve_mass ) continue;
double new_rho = rho * orig_size / defo_size;
// create a group for the volume with modified density
EntityHandle new_grp;
rval = MBI->create_meshset( MESHSET_SET, new_grp );
if( MB_SUCCESS != rval ) return rval;
std::stringstream new_name_ss;
new_name_ss << "mat_" << mat_id << "_rho_" << new_rho << "\0";
std::string new_name;
new_name_ss >> new_name;
rval = MBI->tag_set_data( nameTag, &new_grp, 1, new_name.c_str() );
if( MB_SUCCESS != rval ) return rval;
max_grp_id++;
rval = MBI->tag_set_data( idTag, &new_grp, 1, &max_grp_id );
if( MB_SUCCESS != rval ) return rval;
const char group_category2[CATEGORY_TAG_SIZE] = "Group\0";
rval = MBI->tag_set_data( categoryTag, &new_grp, 1, group_category2 );
if( MB_SUCCESS != rval ) return rval;
// add the volume to the new group
rval = MBI->add_entities( new_grp, &( *j ), 1 );
if( MB_SUCCESS != rval ) return rval;
// add the new grp to the cgm_file_set
rval = MBI->add_entities( cgm_file_set, &new_grp, 1 );
if( MB_SUCCESS != rval ) return rval;
// remove the volume from the old group
rval = MBI->remove_entities( *i, &( *j ), 1 );
if( MB_SUCCESS != rval ) return rval;
if( debug ) std::cout << " new group: " << new_name << " id=" << max_grp_id << std::endl;
}
std::cout << " orig_volume=" << orig_grp_volume << " defo_volume=" << defo_grp_volume
<< " defo/orig=" << defo_grp_volume / orig_grp_volume << std::endl;
}
return MB_SUCCESS;
}
| static double tet_volume | ( | const CartVect & | v0, |
| const CartVect & | v1, | ||
| const CartVect & | v2, | ||
| const CartVect & | v3 | ||
| ) | [inline, static] |
Definition at line 585 of file cub2h5m.cpp.
Referenced by measure().
{
return 1. / 6. * ( ( ( v1 - v0 ) * ( v2 - v0 ) ) % ( v3 - v0 ) );
}
| void tokenize | ( | const std::string & | str, |
| std::vector< std::string > & | tokens, | ||
| const char * | delimiters | ||
| ) |
Definition at line 25 of file cub2h5m.cpp.
Referenced by summarize_cell_volume_change().
{
std::string::size_type last = str.find_first_not_of( delimiters, 0 );
std::string::size_type pos = str.find_first_of( delimiters, last );
if( std::string::npos == pos )
tokens.push_back( str );
else
while( std::string::npos != pos && std::string::npos != last )
{
tokens.push_back( str.substr( last, pos - last ) );
last = str.find_first_not_of( delimiters, pos );
pos = str.find_first_of( delimiters, last );
if( std::string::npos == pos ) pos = str.size();
}
}
| double DEFAULT_DISTANCE = 0.001 |
Definition at line 1103 of file cub2h5m.cpp.
| double DEFAULT_LEN = 0.0 |
Definition at line 1104 of file cub2h5m.cpp.
| int DEFAULT_NORM = 5 |
Definition at line 1105 of file cub2h5m.cpp.
Referenced by moab::ReadCGM::set_options().
1.7.6.1.
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