GmshMeshReader.hpp

/*
 
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This file is part of Chaste.
 
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   this list of conditions and the following disclaimer.
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   software without specific prior written permission.
 
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*/
 
 
#ifndef _GMSHMESHREADER_HPP_
#define _GMSHMESHREADER_HPP_
 
#include <vector>
#include <string>
#include <fstream>
#include "AbstractMeshReader.hpp"
 
struct GmshTypes
{
    enum Value
    {
        LINE = 1u,
        QUADRATIC_LINE = 8u,
        TRIANGLE = 2u,
        QUADRATIC_TRIANGLE = 9u,
        TETRAHEDRON = 4u,
        QUADRATIC_TETRAHEDRON = 11u
    };
};
 
template<unsigned ELEMENT_DIM, unsigned SPACE_DIM>
class GmshMeshReader : public AbstractMeshReader<ELEMENT_DIM,SPACE_DIM>
{
public:
 
    GmshMeshReader(std::string pathBaseName,
                   unsigned orderOfElements = 1,
                   unsigned orderOfBoundaryElements = 1);
 
    ~GmshMeshReader();
 
    unsigned GetNumElements() const;
 
    unsigned GetNumNodes() const;
 
    unsigned GetNumFaces() const;
 
    unsigned GetNumCableElements() const;
 
    unsigned GetNumElementAttributes() const;
 
    unsigned GetNumFaceAttributes() const;
 
    unsigned GetNumCableElementAttributes() const;
 
    unsigned GetOrderOfElements();
 
    unsigned GetOrderOfBoundaryElements();
 
    void Reset();
 
    std::vector<double> GetNextNode();
 
    ElementData GetNextElementData();
 
    ElementData GetNextFaceData();
 
    ElementData GetNextCableElementData();
 
    std::vector<double> GetNodeAttributes();
 
    std::vector<double> GetNode(unsigned index);
 
    ElementData GetElementData(unsigned index);
 
    ElementData GetFaceData(unsigned index);
 
private:
    void ReadHeaders();
 
    void ReadNodeHeader();
 
    void ReadElementHeader();
 
    void ReadFaceHeader();
 
    void OpenFiles();
 
    void CloseFiles();
 
    std::string mFileName; 
    std::ifstream mNodeFile; 
    std::ifstream mElementFile; 
    std::ifstream mFaceFile; 
    double mVersionNumber; 
    unsigned mFileType; 
    unsigned mDataSize; 
    unsigned mNumNodes; 
    unsigned mNumElements; 
    unsigned mNumFaces; 
    unsigned mTotalNumElementsAndFaces; 
    unsigned mNumElementAttributes; 
    unsigned mNumFaceAttributes; 
    unsigned mOrderOfElements; 
    unsigned mOrderOfBoundaryElements; 
    unsigned mNodesPerElement; 
    unsigned mNodesPerBoundaryElement; 
};
 
#endif //_GMSHMESHREADER_HPP_