GetEntities.cpp File Reference

#include "moab/Core.hpp"
#include "moab/Range.hpp"
#include "moab/CN.hpp"
#include <iostream>

Include dependency graph for GetEntities.cpp:

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Macros
#define	MESH_DIR   "."

Functions
int	main (int argc, char **argv)

Variables
string	test_file_name = string( MESH_DIR ) + string( "/hex01.vtk" )

Macro Definition Documentation

MESH_DIR

#define MESH_DIR   "."

Examples

GetEntities.cpp.

Definition at line 18 of file GetEntities.cpp.

Function Documentation

main()

int main	(	int	argc,
		char **	argv
	)

Examples

GetEntities.cpp.

Definition at line 23 of file GetEntities.cpp.

{
    if( argc > 1 )
    {
        // User has input a mesh file
        test_file_name = argv[1];
    }
 
    // Instantiate & load a mesh from a file
    Core* mb = new( std::nothrow ) Core;
    if( NULL == mb ) return 1;
    ErrorCode rval = mb->load_mesh( test_file_name.c_str() );MB_CHK_ERR( rval );
 
    Range ents;
 
    // Get all entities in the database
    rval = mb->get_entities_by_handle( 0, ents );MB_CHK_ERR( rval );
 
    for( Range::iterator it = ents.begin(); it != ents.end(); ++it )
    {
        if( MBVERTEX == mb->type_from_handle( *it ) )
        {
            Range adjs;
            rval = mb->get_adjacencies( &( *it ), 1, 3, false, adjs );MB_CHK_ERR( rval );
            cout << "Vertex " << mb->id_from_handle( *it ) << " adjacencies:" << endl;
            adjs.print();
        }
        else if( mb->type_from_handle( *it ) < MBENTITYSET )
        {
            const EntityHandle* connect;
            int num_connect;
            rval = mb->get_connectivity( *it, connect, num_connect );MB_CHK_ERR( rval );
            cout << CN::EntityTypeName( mb->type_from_handle( *it ) ) << " " << mb->id_from_handle( *it )
                 << " vertex connectivity is: ";
            for( int i = 0; i < num_connect; i++ )
                cout << mb->id_from_handle( connect[i] ) << " ";
            cout << endl;
        }
    }
 
    delete mb;
 
    return 0;
}

References moab::Range::begin(), moab::Range::end(), moab::CN::EntityTypeName(), ErrorCode, moab::Core::get_adjacencies(), moab::Core::get_connectivity(), moab::Core::get_entities_by_handle(), moab::Core::id_from_handle(), moab::Core::load_mesh(), mb, MB_CHK_ERR, MBENTITYSET, MBVERTEX, moab::Range::print(), test_file_name, and moab::Core::type_from_handle().

Variable Documentation

test_file_name

string test_file_name = string( MESH_DIR ) + string( "/hex01.vtk" )

Examples

GetEntities.cpp.

Definition at line 21 of file GetEntities.cpp.

Referenced by main().