depth.cpp File Reference

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

Include dependency graph for depth.cpp:

Go to the source code of this file.

Enumerations
enum	{ NO_ERROR = 0 , SYNTAX_ERROR = 1 , FILE_IO_ERROR = 2 , INTERNAL_ERROR = 3 }

Functions
static void	usage (const char *argv0)
static void	check (ErrorCode rval)
static void	tag_depth (Interface &moab, Tag tag)
int	main (int argc, char *argv[])
static ErrorCode	get_adjacent_elems (Interface &mb, const Range &verts, Range &elems)

Variables
const char *	DEFAULT_TAG_NAME = "depth"

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
NO_ERROR
SYNTAX_ERROR
FILE_IO_ERROR
INTERNAL_ERROR

Definition at line 9 of file depth.cpp.

{
 NO_ERROR = 0,
 SYNTAX_ERROR = 1,
 FILE_IO_ERROR = 2,
 INTERNAL_ERROR = 3
};

Function Documentation

check()

static void check ( ErrorCode  rval )

static

Definition at line 26 of file depth.cpp.

{
 if( MB_SUCCESS != rval )
 {
 std::cerr << "Internal error. Aborting." << std::endl;
 exit( INTERNAL_ERROR );
 }
}

References INTERNAL_ERROR, and MB_SUCCESS.

Referenced by create_mesh_no_holes(), directaccessnoholesf90(), main(), tag_depth(), and moab::ParallelMergeMesh::TupleGreaterThan().

get_adjacent_elems()

static ErrorCode get_adjacent_elems ( Interface &  mb, const Range &  verts, Range &  elems  )

static

Definition at line 117 of file depth.cpp.

{
 elems.clear();
 ErrorCode rval;
 for( int dim = 3; dim > 0; --dim )
 {
 rval = mb.get_adjacencies( verts, dim, false, elems, Interface::UNION );
 if( MB_SUCCESS != rval ) break;
 }
 return rval;
}

References moab::Range::clear(), dim, ErrorCode, moab::Core::get_adjacencies(), mb, MB_SUCCESS, and moab::Interface::UNION.

Referenced by tag_depth().

main()

int main	(	int	argc,
		char *	argv[]
	)

Definition at line 37 of file depth.cpp.

{
 const char *input = 0, *output = 0, *tagname = DEFAULT_TAG_NAME;
 bool expect_tag_name = false;
 for( int i = 1; i < argc; ++i )
 {
 if( expect_tag_name )
 {
 tagname = argv[i];
 expect_tag_name = false;
 }
 else if( !strcmp( "-t", argv[i] ) )
 expect_tag_name = true;
 else if( input == 0 )
 input = argv[i];
 else if( output == 0 )
 output = argv[i];
 else
 {
 std::cerr << "Unexpected argument: '" << argv[i] << "'" << std::endl;
 usage( argv[0] );
 }
 }
 
 if( expect_tag_name )
 {
 std::cerr << "Expected argument following '-t'" << std::endl;
 usage( argv[0] );
 }
 if( !input )
 {
 std::cerr << "No input file" << std::endl;
 usage( argv[0] );
 }
 if( !output )
 {
 std::cerr << "No output file" << std::endl;
 usage( argv[0] );
 }
 
 Core moab;
 Interface& mb = moab;
 
 EntityHandle file;
 ErrorCode rval;
 rval = mb.create_meshset( MESHSET_SET, file );
 check( rval );
 rval = mb.load_file( input, &file );
 if( MB_SUCCESS != rval )
 {
 std::cerr << "Failed to load file: " << input << std::endl;
 return FILE_IO_ERROR;
 }
 
 int init_val = -1;
 Tag tag;
 bool created;
 rval = mb.tag_get_handle( tagname, 1, MB_TYPE_INTEGER, tag, MB_TAG_DENSE | MB_TAG_CREAT, &init_val, &created );
 if( !created )
 {
 rval = mb.tag_delete( tag );
 check( rval );
 rval = mb.tag_get_handle( tagname, 1, MB_TYPE_INTEGER, tag, MB_TAG_DENSE | MB_TAG_CREAT, &init_val, &created );
 check( rval );
 }
 
 tag_depth( mb, tag );
 
 rval = mb.write_file( output, 0, 0, &file, 1 );
 if( rval == MB_SUCCESS )
 std::cout << "Wrote file: " << output << std::endl;
 else
 {
 std::cerr << "Failed to write file: " << output << std::endl;
 return FILE_IO_ERROR;
 }
 
 return NO_ERROR;
}

References check(), moab::Core::create_meshset(), moab::DEFAULT_TAG_NAME, ErrorCode, FILE_IO_ERROR, moab::Core::load_file(), mb, MB_SUCCESS, MB_TAG_CREAT, MB_TAG_DENSE, MB_TYPE_INTEGER, MESHSET_SET, NO_ERROR, output, moab::Core::tag_delete(), tag_depth(), moab::Core::tag_get_handle(), usage(), and moab::Core::write_file().

tag_depth()

void tag_depth ( Interface &  moab, Tag  tag  )

static

Definition at line 129 of file depth.cpp.

{
 ErrorCode rval;
 int dim;
 
 Skinner tool( &mb );
 Range verts, elems;
 dim = 3;
 while( elems.empty() )
 {
 rval = mb.get_entities_by_dimension( 0, dim, elems );
 check( rval );
 if( --dim == 0 ) return; // no elements
 }
 rval = tool.find_skin( 0, elems, 0, verts );
 check( rval );
 rval = get_adjacent_elems( mb, verts, elems );
 check( rval );
 
 std::vector< int > data;
 int val, depth = 0;
 while( !elems.empty() )
 {
 data.clear();
 data.resize( elems.size(), depth++ );
 rval = mb.tag_set_data( tag, elems, &data[0] );
 check( rval );
 
 verts.clear();
 rval = mb.get_adjacencies( elems, 0, false, verts, Interface::UNION );
 check( rval );
 
 Range tmp;
 rval = get_adjacent_elems( mb, verts, tmp );
 check( rval );
 elems.clear();
 for( Range::reverse_iterator i = tmp.rbegin(); i != tmp.rend(); ++i )
 {
 rval = mb.tag_get_data( tag, &*i, 1, &val );
 check( rval );
 if( val == -1 ) elems.insert( *i );
 }
 }
 
 std::cout << "Maximum depth: " << depth << std::endl;
}

References check(), moab::Range::clear(), dim, moab::Range::empty(), ErrorCode, moab::Skinner::find_skin(), moab::Core::get_adjacencies(), get_adjacent_elems(), moab::Core::get_entities_by_dimension(), moab::Range::insert(), mb, moab::Range::rbegin(), moab::Range::rend(), moab::Range::size(), moab::Core::tag_get_data(), moab::Core::tag_set_data(), and moab::Interface::UNION.

Referenced by main().

usage()

static void usage ( const char *  argv0 )

static

Definition at line 19 of file depth.cpp.

{
 std::cerr << "Usage: " << argv0 << "[-t <tag name] <input_file> <output_file>" << std::endl
 << argv0 << "-h" << std::endl;
 exit( SYNTAX_ERROR );
}

References SYNTAX_ERROR.

Referenced by main().

Variable Documentation

DEFAULT_TAG_NAME

const char* DEFAULT_TAG_NAME = "depth"

Definition at line 17 of file depth.cpp.