DeleteEdges.cpp

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/** @example GetEntities.cpp
 * Description: Get entities and report non-vertex entity connectivity and vertex adjacencies.\n
 * then delete edges, and write result
 * To run: ./DeleteEdges [meshfile] [outfile]\n
 */

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

using namespace moab;
using namespace std;

#ifndef MESH_DIR
#define MESH_DIR "."
#endif

string test_file_name = string( MESH_DIR ) + string( "/hex01.vtk" );
string out_file       = string( "outFile.h5m" );

int main( int argc, char** argv )
{
    if( argc > 1 )
    {
        // User has input a mesh file
        test_file_name = argv[1];
    }
    if( argc > 2 )
    {
        // User has specified an output file
        out_file = argv[2];
    }

    // 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 edges;
    rval = mb->get_entities_by_dimension( 0, 1, edges );MB_CHK_ERR( rval );
    rval = mb->delete_entities( edges );MB_CHK_ERR( rval );

    rval = mb->write_file( out_file.c_str() );MB_CHK_ERR( rval );
    delete mb;

    return 0;
}