/usr/include/libmesh/vtk_io.h is in libmesh-dev 0.7.1-2ubuntu1.
This file is owned by root:root, with mode 0o644.
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// The libMesh Finite Element Library.
// Copyright (C) 2002-2008 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 __vtk_io_h__
#define __vtk_io_h__
// C++ includes
#include <map>
// Local includes
#include "libmesh_common.h"
#include "mesh_input.h"
#include "mesh_output.h"
// Forward declarations
class vtkUnstructuredGrid;
class vtkPoints;
class vtkCellArray;
namespace libMesh
{
class MeshBase;
class MeshData;
/**
* This class implements reading and writing meshes in the VTK format.
* Format description:
* cf. <a href="http://www.vtk.org/">VTK home page</a>.
*
* This class will not have any functionality unless VTK is detected
* during configure and hence LIBMESH_HAVE_VTK is defined.
*
* @author Wout Ruijter, 2007
* (Checked in to LibMesh by J.W. Peterson)
*/
// ------------------------------------------------------------
// VTKIO class definition
class VTKIO : public MeshInput<MeshBase>,
public MeshOutput<MeshBase>
{
public:
/**
* Constructor. Takes a writeable reference to a mesh object.
* This is the constructor required to read a mesh.
*/
VTKIO (MeshBase& mesh, MeshData* mesh_data=NULL);
/**
* Constructor. Takes a read-only reference to a mesh object.
* This is the constructor required to write a mesh.
*/
VTKIO (const MeshBase& mesh, MeshData* mesh_data=NULL);
/**
* This method implements writing a mesh with nodal data to a
* specified file where the nodal data and variable names are provided.
*/
// virtual void write_nodal_data (const std::string&,
// const std::vector<Number>&,
// const std::vector<std::string>&);
/**
* Overloads writing equation systems, this is done because when overloading
* write_nodal_data there would be no way to export cell centered data
*/
virtual void write_equation_systems(const std::string& fname, const EquationSystems& es);
/**
* This method implements reading a mesh from a specified file
* in VTK format.
*/
virtual void read (const std::string& );
/**
* This method implements writing a mesh to a specified ".poly" file.
* ".poly" files defines so called Piecewise Linear Complex (PLC).
*/
virtual void write (const std::string& );
/**
* Get a pointer to the VTK datastructure
*/
vtkUnstructuredGrid* get_vtk_grid(){return _vtk_grid;}
private:
/**
* write the nodes from the mesh into a vtkUnstructuredGrid
*/
vtkPoints* nodes_to_vtk(const MeshBase& mesh);
// , vtkUnstructuredGrid*& grid);
/**
* write the cells from the mesh into a vtkUnstructuredGrid
*/
vtkCellArray* cells_to_vtk(const MeshBase& mesh, std::vector<int>& types);
// , vtkUnstructuredGrid*& grid);
/**
* write the solution to a vtkUnstructuredGrid
*/
void solution_to_vtk(const EquationSystems& es,vtkUnstructuredGrid*& grid);
/**
* write the system vectors to vtk
*/
void system_vectors_to_vtk(const EquationSystems& es,vtkUnstructuredGrid*& grid);
/**
* pointer to the VTK grid
*/
vtkUnstructuredGrid* _vtk_grid;
/**
* A pointer to the MeshData object you would like to use.
* with this VTKIO object. Can be NULL.
*/
MeshData* _mesh_data;
};
// ------------------------------------------------------------
// VTKIO inline members
inline
VTKIO::VTKIO (MeshBase& mesh, MeshData* mesh_data) :
MeshInput<MeshBase> (mesh),
MeshOutput<MeshBase>(mesh),
_mesh_data(mesh_data)
{
_vtk_grid = NULL;
libmesh_experimental();
}
inline
VTKIO::VTKIO (const MeshBase& mesh, MeshData* mesh_data) :
MeshOutput<MeshBase>(mesh),
_mesh_data(mesh_data)
{
_vtk_grid = NULL;
libmesh_experimental();
}
} // namespace libMesh
#endif // #define __vtk_io_h__
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