ImmersedBoundaryMeshReader.hpp

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*/
 
#ifndef IMMERSEDBOUNDARYMESHREADER2D_HPP_
#define IMMERSEDBOUNDARYMESHREADER2D_HPP_
 
#include <string>
#include <fstream>
#include <cassert>
#include <vector>
 
#include "Exception.hpp"
#include "AbstractMeshReader.hpp"
 
struct ImmersedBoundaryElementData
{
    std::vector<unsigned> NodeIndices {};
 
    unsigned AttributeValue {};
 
    bool hasFluidSource {};
 
    unsigned fluidSourceIndex {};
 
    std::vector<unsigned> cornerNodeIndices {};
 
    double averageNodeSpacing {};
 
    bool isBoundaryElement {};
};
 
template<unsigned ELEMENT_DIM, unsigned SPACE_DIM>
class ImmersedBoundaryMeshReader : public AbstractMeshReader<ELEMENT_DIM, SPACE_DIM>
{
private:
 
    std::string mFilesBaseName;
 
    std::ifstream mNodesFile;
 
    std::ifstream mElementsFile;
 
    std::ifstream mLaminasFile;
 
    std::ifstream mGridFile;
 
    bool mIndexFromZero;
 
    unsigned mNumNodes;
 
    unsigned mNumElements;
 
    unsigned mNumLaminas;
 
    unsigned mNodesRead;
 
    unsigned mElementsRead;
 
    unsigned mLaminasRead;
 
    unsigned mNumNodeAttributes;
 
    unsigned mNumElementAttributes;
 
    unsigned mNumLaminaAttributes;
 
    unsigned mNumGridPtsX;
 
    unsigned mNumGridPtsY;
 
    double mCharacteristicNodeSpacing;
 
    void OpenFiles();
 
    void OpenNodeFile();
 
    void OpenElementsFile();
 
    void OpenLaminasFile();
 
    void OpenGridFile();
 
    void ReadHeaders();
 
    void CloseFiles();
 
    void GetNextLineFromStream(std::ifstream& fileStream, std::string& rawLine);
 
public:
 
    ImmersedBoundaryMeshReader(std::string pathBaseName);
 
    ~ImmersedBoundaryMeshReader()
    {}
 
    unsigned GetNumElements() const;
 
    unsigned GetNumLaminas() const;
 
    unsigned GetNumNodes() const;
 
    unsigned GetNumGridPtsX() const;
 
    unsigned GetNumGridPtsY() const;
 
    unsigned GetNumElementAttributes() const;
 
    unsigned GetNumLaminaAttributes() const;
 
    double GetCharacteristicNodeSpacing();
 
    void Reset();
 
    std::vector<double> GetNextNode();
 
    std::vector<double> GetNextGridRow();
 
    ImmersedBoundaryElementData GetNextImmersedBoundaryElementData();
 
    ImmersedBoundaryElementData GetNextImmersedBoundaryLaminaData();
 
    unsigned GetNumFaces() const;
 
    ElementData GetNextElementData();
 
    ElementData GetNextFaceData();
};
 
#endif /*IMMERSEDBOUNDARYMESHREADER2D_HPP_*/