vtkParticleReader.h

Go to the documentation of this file.

/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkParticleReader.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 vtkParticleReader_h
#define vtkParticleReader_h
 
#include "vtkIOGeometryModule.h" // For export macro
#include "vtkPolyDataAlgorithm.h"
 
#define VTK_FILE_BYTE_ORDER_BIG_ENDIAN 0
#define VTK_FILE_BYTE_ORDER_LITTLE_ENDIAN 1
 
 
class VTKIOGEOMETRY_EXPORT vtkParticleReader : public vtkPolyDataAlgorithm
{
public:
  static vtkParticleReader *New();
  vtkTypeMacro(vtkParticleReader,vtkPolyDataAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);
 
 
  vtkSetStringMacro(FileName);
  vtkGetStringMacro(FileName);
 
 
  void SetDataByteOrderToBigEndian();
  void SetDataByteOrderToLittleEndian();
  int GetDataByteOrder();
  void SetDataByteOrder(int);
  const char *GetDataByteOrderAsString();
 
 
  vtkSetMacro(SwapBytes,int);
  int GetSwapBytes() {return this->SwapBytes;}
  vtkBooleanMacro(SwapBytes,int);
 
 
  vtkSetMacro(HasScalar,int);
  vtkGetMacro(HasScalar,int);
  vtkBooleanMacro(HasScalar,int);
 
 
  vtkSetClampMacro(FileType, int, FILE_TYPE_IS_UNKNOWN, FILE_TYPE_IS_BINARY);
  vtkGetMacro(FileType, int);
  void SetFileTypeToUnknown() {this->SetFileType(FILE_TYPE_IS_UNKNOWN);}
  void SetFileTypeToText() {this->SetFileType(FILE_TYPE_IS_TEXT);}
  void SetFileTypeToBinary() {this->SetFileType(FILE_TYPE_IS_BINARY);}
 
 
  vtkSetClampMacro(DataType, int, VTK_FLOAT, VTK_DOUBLE);
  vtkGetMacro(DataType, int);
  void SetDataTypeToFloat() {this->SetDataType(VTK_FLOAT);}
  void SetDataTypeToDouble() {this->SetDataType(VTK_DOUBLE);}
 
 
protected:
  vtkParticleReader();
  ~vtkParticleReader();
 
  void OpenFile();
 
  char *FileName;
  ifstream *File;
 
  int RequestInformation(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
  int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
 
 
  int ProduceOutputFromTextFileDouble(vtkInformationVector *outputVector);
  int ProduceOutputFromTextFileFloat(vtkInformationVector *outputVector);
 
 
  int ProduceOutputFromBinaryFileDouble(vtkInformationVector *outputVector);
  int ProduceOutputFromBinaryFileFloat(vtkInformationVector *outputVector);
 
  int DetermineFileType();
 
  void DoProgressUpdate( size_t & bytesRead, size_t & fileLength );
 
  //BTX
 
  enum FILE_TYPE { FILE_TYPE_IS_UNKNOWN = 0,
    FILE_TYPE_IS_TEXT, FILE_TYPE_IS_BINARY };
  //ETX
 
  int HasScalar;
  int FileType;
  int DataType;
 
  size_t Alliquot;
  size_t Count;
 
  int SwapBytes;
  size_t NumberOfPoints;
 
private:
  vtkParticleReader(const vtkParticleReader&);  // Not implemented.
  void operator=(const vtkParticleReader&);  // Not implemented.
};
 
#endif