WriteSLAC.hpp

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/**
 * MOAB, a Mesh-Oriented datABase, is a software component for creating,
 * storing and accessing finite element mesh data.
 *
 * Copyright 2004 Sandia Corporation. Under the terms of Contract
 * DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government
 * retains certain rights in this software.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 */
 
//-------------------------------------------------------------------------
// Filename : WriteSLAC.hpp
//
// Purpose : ExodusII writer
//
// Special Notes : Lots of code taken from verde implementation
//
// Creator : Corey Ernst
//
// Date : 8/02
//
// Owner : Corey Ernst
//-------------------------------------------------------------------------
 
#ifndef WRITESLAC_HPP
#define WRITESLAC_HPP
 
#ifndef IS_BUILDING_MB
#error "WriteSLAC.hpp isn't supposed to be included into an application"
#endif
 
#include <vector>
#include <string>
 
#include "moab/Forward.hpp"
#include "moab/Range.hpp"
#include "moab/ExoIIInterface.hpp"
#include "moab/WriterIface.hpp"
 
namespace moab
{
 
class WriteUtilIface;
 
class WriteSLAC : public WriterIface
{
 
 public:
 //! Constructor
 WriteSLAC( Interface* impl );
 
 //! Destructor
 virtual ~WriteSLAC();
 
 static WriterIface* factory( Interface* );
 
 //! writes out a file
 ErrorCode write_file( const char* file_name,
 const bool overwrite,
 const FileOptions& opts,
 const EntityHandle* output_list,
 const int num_sets,
 const std::vector< std::string >& qa_list,
 const Tag* tag_list = NULL,
 int num_tags = 0,
 int export_dimension = 3 );
 
 //! struct used to hold data for each block to be output; used by
 //! initialize_file to initialize the file header for increased speed
 struct MaterialSetData
 {
 int id;
 int number_elements;
 int number_nodes_per_element;
 int number_attributes;
 ExoIIElementType element_type;
 EntityType moab_type;
 Range* elements;
 };
 
 //! struct used to hold data for each nodeset to be output; used by
 //! initialize_file to initialize the file header for increased speed
 struct DirichletSetData
 {
 int id;
 int number_nodes;
 std::vector< EntityHandle > nodes;
 std::vector< double > node_dist_factors;
 };
 
 //! struct used to hold data for each sideset to be output; used by
 //! initialize_file to initialize the file header for increased speed
 struct NeumannSetData
 {
 int id;
 int number_elements;
 std::vector< EntityHandle > elements;
 std::vector< int > side_numbers;
 EntityHandle mesh_set_handle;
 };
 
 protected:
 //! number of dimensions in this file
 // int number_dimensions();
 
 //! open a file for writing
 ErrorCode open_file( const char* filename );
 
 //! contains the general information about a mesh
 class MeshInfo
 {
 public:
 unsigned int num_dim;
 unsigned int num_nodes;
 unsigned int num_elements;
 unsigned int num_matsets;
 unsigned int num_int_hexes;
 unsigned int num_int_tets;
 Range bdy_hexes, bdy_tets;
 Range nodes;
 
 MeshInfo()
 : num_dim( 0 ), num_nodes( 0 ), num_elements( 0 ), num_matsets( 0 ), num_int_hexes( 0 ), num_int_tets( 0 )
 {
 }
 };
 
 private:
 //! interface instance
 Interface* mbImpl;
 WriteUtilIface* mWriteIface;
 
 //! file name
 std::string fileName;
 int ncFile;
 
 //! Cached tags for reading. Note that all these tags are defined when the
 //! core is initialized.
 Tag mMaterialSetTag;
 Tag mDirichletSetTag;
 Tag mNeumannSetTag;
 Tag mGlobalIdTag;
 Tag mMatSetIdTag;
 
 Tag mEntityMark; // used to say whether an entity will be exported
 
 ErrorCode gather_mesh_information( MeshInfo& mesh_info,
 std::vector< MaterialSetData >& matset_info,
 std::vector< NeumannSetData >& neuset_info,
 std::vector< DirichletSetData >& dirset_info,
 std::vector< EntityHandle >& matsets,
 std::vector< EntityHandle >& neusets,
 std::vector< EntityHandle >& dirsets );
 
 ErrorCode initialize_file( MeshInfo& mesh_info );
 
 ErrorCode write_nodes( const int num_nodes, const Range& nodes, const int dimension );
 
 ErrorCode write_matsets( MeshInfo& mesh_info,
 std::vector< MaterialSetData >& matset_data,
 std::vector< NeumannSetData >& neuset_data );
 
 ErrorCode get_valid_sides( Range& elems, const int sense, WriteSLAC::NeumannSetData& sideset_data );
 
 void reset_matset( std::vector< MaterialSetData >& matset_info );
 
 ErrorCode get_neuset_elems( EntityHandle neuset, int current_sense, Range& forward_elems, Range& reverse_elems );
 
 ErrorCode gather_interior_exterior( MeshInfo& mesh_info,
 std::vector< MaterialSetData >& matset_data,
 std::vector< NeumannSetData >& neuset_data );
};
 
} // namespace moab
 
#endif