ReadGmsh.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.
 *
 */
 
#ifndef READ_GMSH_HPP
#define READ_GMSH_HPP
 
#include "moab/Forward.hpp"
#include "moab/ReaderIface.hpp"
#include "moab/Range.hpp"
 
namespace moab
{
 
class ReadUtilIface;
struct GmshElemType;
 
/**
 * \brief Gmsh (http://www.geuz.org/gmsh) file reader
 * \author Jason Kraftcheck
 */
class ReadGmsh : public ReaderIface
{
 
  public:
    //! factory method
    static ReaderIface* factory( Interface* );
 
    ErrorCode load_file( const char* file_name,
                         const EntityHandle* file_set,
                         const FileOptions& opts,
                         const SubsetList* subset_list = 0,
                         const Tag* file_id_tag        = 0 );
 
    ErrorCode read_tag_values( const char* file_name,
                               const char* tag_name,
                               const FileOptions& opts,
                               std::vector< int >& tag_values_out,
                               const SubsetList* subset_list = 0 );
 
    //! Constructor
    ReadGmsh( Interface* impl = NULL );
 
    //! Destructor
    virtual ~ReadGmsh();
 
  private:
    ErrorCode create_elements( const GmshElemType& type,
                               const std::vector< int >& elem_ids,
                               const std::vector< int >& matl_ids,
                               const std::vector< int >& geom_ids,
                               const std::vector< int >& prtn_ids,
                               const std::vector< EntityHandle >& connectivity,
                               const Tag* file_id_tag );
 
    ErrorCode create_sets( EntityType element_type,
                           const Range& elements,
                           const std::vector< int >& set_ids,
                           int set_type );
 
    ErrorCode create_geometric_topology();
 
    ReadUtilIface* readMeshIface;
 
    //! interface instance
    Interface* mdbImpl;
 
    Tag globalId;
    Range geomSets;
};
 
}  // namespace moab
 
#endif