vtkGAMBITReader.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkGAMBITReader.h

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
#ifndef vtkGAMBITReader_h
#define vtkGAMBITReader_h

#include "vtkIOGeometryModule.h" // For export macro
#include "vtkUnstructuredGridAlgorithm.h"

class vtkDoubleArray;
class VTKIOGEOMETRY_EXPORT vtkGAMBITReader : public vtkUnstructuredGridAlgorithm
{
public:
  static vtkGAMBITReader *New();
  vtkTypeMacro(vtkGAMBITReader,vtkUnstructuredGridAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;


  vtkSetStringMacro(FileName);
  vtkGetStringMacro(FileName);


  vtkGetMacro(NumberOfCells,int);


  vtkGetMacro(NumberOfNodes,int);


  vtkGetMacro(NumberOfNodeFields,int);
  vtkGetMacro(NumberOfCellFields,int);

protected:
  vtkGAMBITReader();
  ~vtkGAMBITReader() override;
  int RequestInformation(vtkInformation *, vtkInformationVector **, vtkInformationVector *) override;
  int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *) override;

  char *FileName;

  int NumberOfNodes;
  int NumberOfCells;
  int NumberOfNodeFields;
  int NumberOfCellFields;
  int NumberOfElementGroups;
  int NumberOfBoundaryConditionSets;
  int NumberOfCoordinateDirections;
  int NumberOfVelocityComponents;
  ifstream *FileStream;

  enum GAMBITCellType
  {
    EDGE    = 1,
    QUAD    = 2,
    TRI     = 3,
    BRICK   = 4,
    PRISM   = 5,
    TETRA   = 6,
    PYRAMID = 7
  };

private:
  void ReadFile(vtkUnstructuredGrid *output);
  void ReadGeometry(vtkUnstructuredGrid *output);
  void ReadNodeData(vtkUnstructuredGrid *output);
  void ReadCellData(vtkUnstructuredGrid *output);

  void ReadXYZCoords(vtkDoubleArray *coords);

  void ReadCellConnectivity(vtkUnstructuredGrid *output);
  void ReadMaterialTypes(vtkUnstructuredGrid *output);
  void ReadBoundaryConditionSets(vtkUnstructuredGrid *output);

  vtkGAMBITReader(const vtkGAMBITReader&) = delete;
  void operator=(const vtkGAMBITReader&) = delete;
};

#endif