gnuplot_io.h

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// The libMesh Finite Element Library.
// Copyright (C) 2002-2026 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_GNUPLOT_IO_H
#define LIBMESH_GNUPLOT_IO_H
 
// Local includes
#include "libmesh/mesh_output.h"
 
// C++ includes
#include <cstddef>
 
 
namespace libMesh
{
 
// forward declaration
class MeshBase;
 
class GnuPlotIO : public MeshOutput<MeshBase>
{
public:
 
  enum PlottingProperties { GRID_ON    = 1,
                            PNG_OUTPUT = 2};
 
  explicit
  GnuPlotIO (const MeshBase &,
             const std::string & = std::string("FE 1D Solution"),
             int properties=0);
 
  virtual void write(const std::string &) override;
 
  using MeshOutput<MeshBase>::write_nodal_data;
 
  virtual void write_nodal_data (const std::string &,
                                 const std::vector<Number> &,
                                 const std::vector<std::string> &) override;
 
  void set_title(std::string title) { _title = std::move(title); }
 
  void use_grid(bool grid) { _grid = grid; }
 
 
  void set_png_output(bool png_output) { _png_output = png_output; }
 
  std::string axes_limits;
 
private:
  void write_solution (const std::string &,
                       const std::vector<Number> * = nullptr,
                       const std::vector<std::string> * = nullptr);
 
  std::string _title;
 
  bool _grid;
  bool _png_output;
};
 
} // namespace libMesh
 
 
#endif // LIBMESH_GNUPLOT_IO_H