VtkMeshReader.hpp

/*
 
Copyright (C) Fujitsu Laboratories of Europe, 2009
 
*/
 
/*
 
Copyright (c) 2005-2026, University of Oxford.
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This file is part of Chaste.
 
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   this list of conditions and the following disclaimer.
 * Redistributions in binary form must reproduce the above copyright notice,
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OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
*/
 
 
#ifndef VTKMESHREADER_HPP_
#define VTKMESHREADER_HPP_
 
#include <vector>
#include <string>
#include <fstream>
#include <sstream>
#include <cassert>
 
#define _BACKWARD_BACKWARD_WARNING_H 1 //Cut out the strstream deprecated warning for now (gcc4.3)
#include <vtkDataArray.h>
#include <vtkDoubleArray.h>
#include <vtkCellData.h>
#include <vtkPointData.h>
#include <vtkTetra.h>
#include <vtkUnstructuredGrid.h>
#include <vtkUnstructuredGridReader.h>
#include <vtkXMLUnstructuredGridReader.h>
#include <vtkGeometryFilter.h>
#include <vtkGenericGeometryFilter.h>
#include <vtkDataCompressor.h>
#include <vtkFeatureEdges.h>
#include <vtkDataSetSurfaceFilter.h>
#include <vtkSmartPointer.h>
 
 
#include "UblasVectorInclude.hpp"
#include "AbstractMeshReader.hpp"
 
template <unsigned ELEMENT_DIM, unsigned SPACE_DIM>
class VtkMeshReader : public AbstractMeshReader<ELEMENT_DIM, SPACE_DIM>
{
private:
 
    vtkSmartPointer<vtkUnstructuredGrid> mpVtkUnstructuredGrid; //This is a smart pointer to keep Vtk from deleting the object in the 1D case
 
    vtkGeometryFilter* mpVtkGeometryFilter;
 
    vtkFeatureEdges* mpVtkFilterEdges;
 
    bool mIndexFromZero;             
    std::ifstream mVtuFile;            
    unsigned mNumNodes;                
    unsigned mNumElements;            
    unsigned mNumFaces;                
    unsigned mNumCableElements;     
    unsigned mNodesRead;            
    unsigned mElementsRead;            
    unsigned mFacesRead;            
    unsigned mBoundaryFacesRead;    
    unsigned mBoundaryFacesSkipped; 
    unsigned mCableElementsRead;    
    unsigned mNumNodeAttributes;    
    unsigned mMaxNodeBdyMarker;     
    unsigned mNumElementAttributes; 
    unsigned mNumFaceAttributes;    
    unsigned mNumCableElementAttributes; 
    unsigned mOrderOfElements;      
    unsigned mNodesPerElement;      
    int mVtkCellType;               
    void CommonConstructor();
 
public:
 
    VtkMeshReader(std::string pathBaseName);
 
    VtkMeshReader(vtkUnstructuredGrid* p_vtkUnstructuredGrid);
 
    virtual ~VtkMeshReader();
 
    unsigned GetNumElements() const;
 
    unsigned GetNumCableElements() const;
 
    unsigned GetNumNodes() const;
 
    unsigned GetNumFaces() const;
 
    unsigned GetNumEdges() const;
 
    unsigned GetNumElementAttributes() const;
 
    unsigned GetNumCableElementAttributes() const;
 
    unsigned GetNumFaceAttributes() const;
 
    void Reset();
 
    std::vector<double> GetNextNode();
 
    ElementData GetNextElementData();
 
    ElementData GetNextFaceData();
 
    ElementData GetNextCableElementData();
 
 
     void GetCellData(std::string dataName, std::vector<double>& dataPayload);
 
    void GetPointData(std::string dataName, std::vector<double>& dataPayload);
 
     void GetCellData(std::string dataName, std::vector<c_vector<double,SPACE_DIM> >& dataPayload);
 
    void GetPointData(std::string dataName, std::vector<c_vector<double,SPACE_DIM> >& dataPayload);
 
    vtkUnstructuredGrid* OutputMeshAsVtkUnstructuredGrid();
};
 
#endif/*VTKMESHREADER_HPP_*/