VtuInterface.h

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#pragma once
 
#include <vtkSmartPointer.h>
#include <vtkUnstructuredGrid.h>
#include <vtkXMLWriter.h>
 
#include <filesystem>
#include <string>
 
namespace MeshLib {
class Mesh;
 
namespace IO
{
 
#ifdef USE_PETSC
std::string getVtuFileNameForPetscOutputWithoutExtension(
    std::string const& file_name);
#endif
 
class VtuInterface final
{
public:
    explicit VtuInterface(const MeshLib::Mesh* mesh,
                          int dataMode = vtkXMLWriter::Appended,
                          bool compress = false);
 
    static MeshLib::Mesh* readVTUFile(
        std::string const& file_name,
        bool const compute_element_neighbors = false);
 
    static vtkSmartPointer<vtkUnstructuredGrid>
    readVtuFileToVtkUnstructuredGrid(std::string const& file_name);
 
    static MeshLib::Mesh* readVTKFile(
        std::string const& file_name,
        bool const compute_element_neighbors = false);
 
    bool writeToFile(std::filesystem::path const& file_path);
 
    template <typename UnstructuredGridWriter>
    bool writeVTU(std::string const& file_name, const int num_partitions = 1,
                  const int rank = 1);
 
private:
    const MeshLib::Mesh* _mesh;
    int _data_mode;
    bool _use_compressor;
};
 
int writeVtu(MeshLib::Mesh const& mesh, std::string const& file_name,
             int const data_mode = vtkXMLWriter::Appended);
 
} // end namespace IO
} // end namespace MeshLib
 
#include "VtuInterface-impl.h"