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;
}