VtkMappedMeshSource.h

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// SPDX-FileCopyrightText: Copyright (c) OpenGeoSys Community (opengeosys.org)
// SPDX-License-Identifier: BSD-3-Clause
 
#pragma once
 
#include <string>
 
#include <vtkAOSDataArrayTemplate.h>
#include <vtkCellData.h>
#include <vtkFieldData.h>
#include <vtkNew.h>
#include <vtkPointData.h>
#include <vtkUnstructuredGrid.h>
#include <vtkUnstructuredGridAlgorithm.h>
 
#include "MeshLib/Properties.h"
#include "MeshLib/PropertyVector.h"
 
 
 
namespace MeshLib {
 
class Mesh;

class VtkMappedMeshSource final : public vtkUnstructuredGridAlgorithm
{
public:
    static VtkMappedMeshSource* New();
    vtkTypeMacro(VtkMappedMeshSource, vtkUnstructuredGridAlgorithm);
    void PrintSelf(std::ostream& os, vtkIndent indent) override;
 
    VtkMappedMeshSource(const VtkMappedMeshSource&) = delete;
    void operator=(const VtkMappedMeshSource&) = delete;

    void SetMesh(const MeshLib::Mesh* mesh)
    {
        this->_mesh = mesh;
        this->Modified();
    }

    const MeshLib::Mesh* GetMesh() const { return _mesh; }
 
protected:
    VtkMappedMeshSource();
 
    int ProcessRequest(vtkInformation* request,
                       vtkInformationVector** inputVector,
                       vtkInformationVector* outputVector) override;
    int RequestData(vtkInformation* /*request*/,
                    vtkInformationVector** /*inputVector*/,
                    vtkInformationVector* /*outputVector*/) override;
    int RequestInformation(vtkInformation* /*request*/,
                           vtkInformationVector** /*inputVector*/,
                           vtkInformationVector* /*outputVector*/) override;
 
private:
    template <typename T>
    void addProperty(MeshLib::PropertyVector<T> const& property) const;
 
    const MeshLib::Mesh* _mesh{};
 
    int NumberOfDimensions{0};
    int NumberOfNodes{0};
 
    vtkNew<vtkPoints> Points;
    vtkNew<vtkPointData> PointData;
    vtkNew<vtkCellData> CellData;
    vtkNew<vtkFieldData> FieldData;
};
 
} // Namespace MeshLib