exodusII_io.h

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// The libMesh Finite Element Library.
// Copyright (C) 2002-2014 Benjamin S. Kirk, John W. Peterson, Roy H. Stogner

// 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.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.

// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA



#ifndef LIBMESH_EXODUSII_IO_H
#define LIBMESH_EXODUSII_IO_H


// Local includes
#include "libmesh/libmesh_common.h"
#include "libmesh/mesh_input.h"
#include "libmesh/mesh_output.h"
#include "libmesh/parallel_object.h"

// C++ includes

namespace libMesh
{

// Forward declarations
class EquationSystems;
class ExodusII_IO_Helper;
class MeshBase;
class System;

// ------------------------------------------------------------
// ExodusII_IO class definition
class ExodusII_IO : public MeshInput<MeshBase>,
                    public MeshOutput<MeshBase>,
                    public ParallelObject
{
public:

  explicit
  ExodusII_IO (MeshBase& mesh,
               bool single_precision=false);

  virtual ~ExodusII_IO ();

  virtual void read (const std::string& name);

  virtual void write (const std::string& fname);

  void verbose (bool set_verbosity);

  const std::vector<Real>& get_time_steps();

  int get_num_time_steps();

  void copy_nodal_solution(System& system,
                           std::string var_name,
                           unsigned int timestep=1);

  void copy_nodal_solution(System& system,
                           std::string system_var_name,
                           std::string exodus_var_name,
                           unsigned int timestep=1);

  void copy_elemental_solution(System& system,
                               std::string system_var_name,
                               std::string exodus_var_name,
                               unsigned int timestep=1);

  void write_discontinuous_exodusII (const std::string& name,
                                     const EquationSystems& es,
                                     const std::set<std::string>* system_names=NULL);

  void write_element_data (const EquationSystems& es);

  void write_nodal_data (const std::string&,
                         const std::vector<Number>&,
                         const std::vector<std::string>&);

  void write_nodal_data_discontinuous (const std::string&,
                                       const std::vector<Number>&,
                                       const std::vector<std::string>&);

  void write_global_data (const std::vector<Number>&,
                          const std::vector<std::string>&);

  void write_information_records (const std::vector<std::string>&);

  void write_timestep (const std::string& fname,
                       const EquationSystems& es,
                       const int timestep,
                       const Real time);

  void set_output_variables(const std::vector<std::string>& output_variables,
                            bool allow_empty = true);

  void use_mesh_dimension_instead_of_spatial_dimension(bool val);

  void set_coordinate_offset(Point p);

  void append(bool val);

  const std::vector<std::string> & get_elem_var_names();

  const std::vector<std::string> & get_nodal_var_names();

private:
#ifdef LIBMESH_HAVE_EXODUS_API
  ExodusII_IO_Helper *exio_helper;
#endif

  int _timestep;

  bool _verbose;

  std::vector<std::string> _output_variables;

  bool _append;

  void write_nodal_data_common(std::string fname,
                               const std::vector<std::string>& names,
                               bool continuous=true);

  bool _allow_empty_variables;

};


} // namespace libMesh


#endif // LIBMESH_EXODUSII_IO_H