cl_Mesh_VtkWriter.hpp

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/*
 * BELFEM -- The Berkeley Lab Finite Element Framework
 * Copyright (c) 2026, The Regents of the University of California,
 * through Lawrence Berkeley National Laboratory (subject to receipt of any required
 * approvals from the U.S. Dept. of Energy).  All rights reserved.
 *
 * Developers: Christian Messe, Gregory Giard
 *
 * See the top-level LICENSE file for the complete license and disclaimer.
 */
 
#ifndef BELFEM_CL_MESH_VTKWRITER_HPP
#define BELFEM_CL_MESH_VTKWRITER_HPP
 
#include <fstream>
#include "typedefs.hpp"
#include "cl_Mesh.hpp"
#include "cl_Map.hpp"
 
namespace belfem
{
    namespace mesh
    {
        class VtkWriter
        {
            const string mFilePath;
 
            Mesh * mMesh;
 
            std::ofstream mFile;
 
            // map that connects node IDs to indices in that order as they
            // have been written into the file
            Map< id_t, int > mNodeMap;
 
            int mNumberOfNodes ;
 
            int mNumberOfElements ;
 
//------------------------------------------------------------------------------
        public:
//------------------------------------------------------------------------------
 
            VtkWriter( const string & aFilePath, Mesh * aMesh );
 
//------------------------------------------------------------------------------
 
            ~VtkWriter() = default;
 
//------------------------------------------------------------------------------
        private:
//------------------------------------------------------------------------------
 
            void
            write_header();
 
//------------------------------------------------------------------------------
 
            void
            write_time();
 
//------------------------------------------------------------------------------
 
            void
            write_nodes();
 
//------------------------------------------------------------------------------
 
            void
            write_elements();
 
//------------------------------------------------------------------------------
 
            void
            write_element_fields();
 
//------------------------------------------------------------------------------
 
            void
            write_node_fields();
 
//------------------------------------------------------------------------------
        };
//------------------------------------------------------------------------------
 
    }
//------------------------------------------------------------------------------
}
#endif //BELFEM_CL_MESH_VTKWRITER_HPP