HelloMOAB.cpp File Reference

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

Include dependency graph for HelloMOAB.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( "/3k-tri-sphere.vtk" )

Macro Definition Documentation

MESH_DIR

#define MESH_DIR   "."

Examples

HelloMOAB.cpp.

Definition at line 17 of file HelloMOAB.cpp.

Function Documentation

main()

int main	(	int	argc,
		char **	argv
	)

Examples

HelloMOAB.cpp.

Definition at line 23 of file HelloMOAB.cpp.

   24 {
   25     // Get MOAB instance
   26     Interface* mb = new( std::nothrow ) Core;
   27     if( NULL == mb ) return 1;
   28  
   29     // Need option handling here for input filename
   30     if( argc > 1 )
   31     {
   32         // User has input a mesh file
   33         test_file_name = argv[1];
   34     }
   35  
   36     // Load the mesh from vtk file
   37     ErrorCode rval = mb->load_mesh( test_file_name.c_str() );MB_CHK_ERR( rval );
   38  
   39     // Get verts entities, by type
   40     Range verts;
   41     rval = mb->get_entities_by_type( 0, MBVERTEX, verts );MB_CHK_ERR( rval );
   42  
   43     // Get edge entities, by type
   44     Range edges;
   45     rval = mb->get_entities_by_type( 0, MBEDGE, edges );MB_CHK_ERR( rval );
   46  
   47     // Get faces, by dimension, so we stay generic to entity type
   48     Range faces;
   49     rval = mb->get_entities_by_dimension( 0, 2, faces );MB_CHK_ERR( rval );
   50  
   51     // Get regions, by dimension, so we stay generic to entity type
   52     Range elems;
   53     rval = mb->get_entities_by_dimension( 0, 3, elems );MB_CHK_ERR( rval );
   54  
   55     // Output the number of entities
   56     cout << "Number of vertices is " << verts.size() << endl;
   57     cout << "Number of edges is " << edges.size() << endl;
   58     cout << "Number of faces is " << faces.size() << endl;
   59     cout << "Number of elements is " << elems.size() << endl;
   60  
   61     delete mb;
   62  
   63     return 0;
   64 }

References ErrorCode, moab::Core::get_entities_by_dimension(), moab::Core::get_entities_by_type(), moab::Core::load_mesh(), mb, MB_CHK_ERR, MBEDGE, MBVERTEX, moab::Range::size(), and test_file_name.

Variable Documentation

test_file_name

string test_file_name = string( MESH_DIR ) + string( "/3k-tri-sphere.vtk" )

Examples

HelloMOAB.cpp.

Definition at line 21 of file HelloMOAB.cpp.

Referenced by main().