VertexMeshReader.hpp

/*

Copyright (c) 2005-2012, University of Oxford.
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This file is part of Chaste.

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modification, are permitted provided that the following conditions are met:
 * Redistributions of source code must retain the above copyright notice,
   this list of conditions and the following disclaimer.
 * Redistributions in binary form must reproduce the above copyright notice,
   this list of conditions and the following disclaimer in the documentation
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   contributors may be used to endorse or promote products derived from this
   software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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*/
#ifndef VERTEXMESHREADER2D_HPP_
#define VERTEXMESHREADER2D_HPP_

#include <string>
#include <fstream>
#include <cassert>
#include <vector>

#include "Exception.hpp"
#include "AbstractMeshReader.hpp"

struct VertexElementData
{
    std::vector<unsigned> NodeIndices; 
    std::vector<ElementData> Faces; 
    std::vector<bool> Orientations; 
    unsigned AttributeValue; 
    unsigned ContainingElement; 
};

 template<unsigned ELEMENT_DIM, unsigned SPACE_DIM>
class VertexMeshReader : public AbstractMeshReader<ELEMENT_DIM, SPACE_DIM>
{
private:

    std::string mFilesBaseName;

    std::ifstream mNodesFile;

    std::ifstream mElementsFile;

    bool mIndexFromZero;

    unsigned mNumNodes;

    unsigned mNumElements;

    unsigned mNodesRead;

    unsigned mElementsRead;

    unsigned mNumNodeAttributes;

    unsigned mNumElementAttributes;

    void OpenFiles();

    void OpenNodeFile();

    void OpenElementsFile();

    void ReadHeaders();

    void CloseFiles();

    void GetNextLineFromStream(std::ifstream& fileStream, std::string& rawLine);

public:

    VertexMeshReader(std::string pathBaseName);

    ~VertexMeshReader()
    {}

    unsigned GetNumElements() const;

    unsigned GetNumNodes() const;

    unsigned GetNumElementAttributes() const;

    unsigned GetNumFaces() const;

    ElementData GetNextFaceData();

    unsigned GetNumEdges() const;

    void Reset();

    std::vector<double> GetNextNode();

    ElementData GetNextElementData();

    VertexElementData GetNextElementDataWithFaces();

};


#endif /*VERTEXMESHREADER2D_HPP_*/