ImmersedBoundaryMeshWriter.hpp

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*/
 
#ifndef IMMERSEDBOUNDARYMESHWRITER_HPP_
#define IMMERSEDBOUNDARYMESHWRITER_HPP_
 
// Forward declaration prevents circular include chain
template<unsigned ELEMENT_DIM, unsigned SPACE_DIM>
class ImmersedBoundaryMesh;
 
#define _BACKWARD_BACKWARD_WARNING_H 1 // Cut out the strstream deprecated warning for now (gcc4.3)
#include <vtkDoubleArray.h>
#include <vtkCellData.h>
#include <vtkPointData.h>
#include <vtkConvexPointSet.h>
#include <vtkPolygon.h>
#include <vtkUnstructuredGrid.h>
#include <vtkUnstructuredGridWriter.h>
#include <vtkXMLUnstructuredGridWriter.h>
#include <vtkDataCompressor.h>
 
#include "AbstractMeshWriter.hpp"
#include "ImmersedBoundaryMesh.hpp"
 
#include <boost/geometry.hpp>
#include <boost/geometry/geometries/segment.hpp>
#include <boost/geometry/geometries/point.hpp>
 
 
// Forward declaration prevents circular include chain
template<unsigned ELEMENT_DIM, unsigned SPACE_DIM>
class ImmersedBoundaryMesh;
 
template<unsigned ELEMENT_DIM, unsigned SPACE_DIM>
struct MeshWriterIterators;
 
template<unsigned ELEMENT_DIM, unsigned SPACE_DIM>
class ImmersedBoundaryMeshWriter : public AbstractMeshWriter<ELEMENT_DIM, SPACE_DIM>
{
private:
    ImmersedBoundaryMesh<ELEMENT_DIM,SPACE_DIM>* mpMesh;
 
    MeshWriterIterators<ELEMENT_DIM,SPACE_DIM>* mpIters;
 
    unsigned mNumLaminas;
 
    std::vector<std::vector<unsigned>> mElementParts;
 
    // Node that this assumes SPACE_DIM == 2
    using geom_point = boost::geometry::model::point<double, 2, boost::geometry::cs::cartesian>;
 
    using geom_segment = boost::geometry::model::segment<geom_point>;
 
    std::array<geom_segment, 4> mBoundaryEdges;
 
    c_vector<double, SPACE_DIM> GetIntersectionOfEdgeWithBoundary(const c_vector<double, SPACE_DIM>& rStart,
                                                                  const c_vector<double, SPACE_DIM>& rEnd);
 
    c_vector<double, SPACE_DIM> GetNearestCorner(const c_vector<double, SPACE_DIM>& rA,
                                                 const c_vector<double, SPACE_DIM>& rB) const;
 
    vtkUnstructuredGrid* mpVtkUnstructedMesh;
 
public:
 
    ImmersedBoundaryMeshWriter(const std::string& rDirectory,
                               const std::string& rBaseName,
                               bool clearOutputDir=true);
 
    ~ImmersedBoundaryMeshWriter();
 
    void WriteFilesUsingMesh(ImmersedBoundaryMesh<ELEMENT_DIM, SPACE_DIM>& rMesh);
 
    void WriteVtkUsingMesh(ImmersedBoundaryMesh<ELEMENT_DIM, SPACE_DIM>& rMesh, std::string stamp="");
 
    void MakeVtkMesh(ImmersedBoundaryMesh<ELEMENT_DIM, SPACE_DIM>& rMesh);
 
    void AddCellData(std::string dataName, std::vector<double> dataPayload);
 
    void AddPointData(std::string dataName, std::vector<double> dataPayload);
 
    std::vector<double> GetNextNode();
 
    ImmersedBoundaryElementData GetNextImmersedBoundaryElement();
 
    ImmersedBoundaryElementData GetNextImmersedBoundaryLamina();
 
    void WriteFiles();
 
    void FindElementOverlaps(ImmersedBoundaryMesh<ELEMENT_DIM, SPACE_DIM>& rMesh);
 
    const std::vector<std::vector<unsigned>>& rGetElementParts() const;
};
 
#endif /*IMMERSEDBOUNDARYMESHWRITER_HPP_*/