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Parallel/vtkPDataSetReader.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkPDataSetReader.h,v $
00005   Language:  C++
00006 
00007   Copyright (c) 1993-2002 Ken Martin, Will Schroeder, Bill Lorensen 
00008   All rights reserved.
00009   See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
00010 
00011      This software is distributed WITHOUT ANY WARRANTY; without even 
00012      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
00013      PURPOSE.  See the above copyright notice for more information.
00014 
00015 =========================================================================*/
00029 #ifndef __vtkPDataSetReader_h
00030 #define __vtkPDataSetReader_h
00031 
00032 #include "vtkSource.h"
00033 
00034 class vtkDataSet;
00035 
00036 class VTK_PARALLEL_EXPORT vtkPDataSetReader : public vtkSource
00037 {
00038 public:
00039   void PrintSelf(ostream& os, vtkIndent indent);
00040   vtkTypeRevisionMacro(vtkPDataSetReader,vtkSource);
00041   static vtkPDataSetReader *New();
00042 
00044   virtual int GetNumberOfOutputs() { return 1;}
00045   
00047 
00048   vtkSetStringMacro(FileName);
00049   vtkGetStringMacro(FileName);
00051 
00053 
00055   void SetOutput(vtkDataSet *output);
00056   virtual vtkDataSet* GetOutput();
00057   virtual vtkDataSet* GetOutput(int idx);
00059 
00061   virtual void Update();
00062 
00064 
00066   vtkGetMacro(DataType, int);
00068   
00071   virtual int ReadOutputType();
00072 
00074   int CanReadFile(const char* filename);
00075 
00076 protected:
00077   vtkPDataSetReader();
00078   ~vtkPDataSetReader();
00079 
00080   virtual void ExecuteInformation();
00081   void ReadPVTKFileInformation(ifstream *fp);
00082   void ReadVTKFileInformation(ifstream *fp);
00083 
00084   virtual void Execute();
00085   void PolyDataExecute();
00086   void UnstructuredGridExecute();
00087   void ImageDataExecute();
00088   void StructuredGridExecute();
00089 
00090   void CoverExtent(int ext[6], int *pieceMask);
00091 
00092   vtkDataSet *CheckOutput();
00093   void SetNumberOfPieces(int num);
00094 
00095 //BTX
00096   ifstream *OpenFile(const char *);
00097 //ETX
00098   int ReadXML(ifstream *file, char **block, char **param, char **value);
00099   void SkipFieldData(ifstream *file);
00100 
00101   int VTKFileFlag;
00102   int StructuredFlag;
00103   char *FileName;
00104   int DataType;
00105   int NumberOfPieces;
00106   char **PieceFileNames;
00107   int **PieceExtents;
00108 
00109 private:
00110   vtkPDataSetReader(const vtkPDataSetReader&); // Not implemented
00111   void operator=(const vtkPDataSetReader&); // Not implemented
00112 };
00113 
00114 #endif