DiscreteContinuumMeshGenerator.hpp

/*

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 */

#ifndef DISCRETECONTINUUMMESHGENERATOR_HPP_
#define DISCRETECONTINUUMMESHGENERATOR_HPP_

#include <vector>
#include "SmartPointers.hpp"
#include "ChastePoint.hpp"
#include "TetrahedralMesh.hpp"
#define _BACKWARD_BACKWARD_WARNING_H 1 //Cut out the vtk deprecated warning
#include <vtkPolyData.h>
#include <vtkSmartPointer.h>
#include "Part.hpp"
#include "Cell.hpp"
#include "DimensionalChastePoint.hpp"

// Jonathan Shewchuk's triangle and Hang Si's tetgen.
#define REAL double
#define VOID void
#include "triangle.h"
#include "tetgen.h"
#undef REAL
#undef VOID

struct triangulateio;

// Forward declaration
template<unsigned ELEMENT_DIM, unsigned SPACE_DIM>
class DiscreteContinuumMesh;

template<unsigned ELEMENT_DIM, unsigned SPACE_DIM = ELEMENT_DIM>
class DiscreteContinuumMeshGenerator
{
    units::quantity<unit::volume> mMaxElementArea;

    boost::shared_ptr<DiscreteContinuumMesh<ELEMENT_DIM, SPACE_DIM> > mpMesh;

    boost::shared_ptr<Part<SPACE_DIM> > mpDomain;

    vtkSmartPointer<vtkPolyData> mpVtkDomain;

    std::string mStlFilePath;

    std::vector<DimensionalChastePoint<SPACE_DIM> > mHoles;

    std::vector<DimensionalChastePoint<SPACE_DIM> > mRegions;

    std::vector<unsigned> mAttributes;

    units::quantity<unit::length> mReferenceLength;

public:

    DiscreteContinuumMeshGenerator();

    ~DiscreteContinuumMeshGenerator();

    static boost::shared_ptr<DiscreteContinuumMeshGenerator<ELEMENT_DIM, SPACE_DIM> > Create();

    boost::shared_ptr<DiscreteContinuumMesh<ELEMENT_DIM, SPACE_DIM> > GetMesh();

    void SetDomain(boost::shared_ptr<Part<SPACE_DIM> > pDomain);

    void SetDomain(vtkSmartPointer<vtkPolyData> pDomain);

    void SetDomain(const std::string& rPathToStl);

    void SetMaxElementArea(units::quantity<unit::volume> maxElementArea);

    void SetHoles(std::vector<DimensionalChastePoint<SPACE_DIM> > holes);

    void SetRegionMarkers(std::vector<DimensionalChastePoint<SPACE_DIM> > regionMarkers);

    void Update();

private:

    void Mesh2d();

    void Mesh3d();

    void MeshStl3d();

    void InitialiseTriangulateIo(triangulateio& mesherIo);

    void FreeTriangulateIo(triangulateio& mesherIo);
};

#endif /* DISCRETECONTINUUMMESHGENERATOR_HPP_*/