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Parallel/vtkPDataSetReader.h

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 =========================================================================*/
00040 #ifndef __vtkPDataSetReader_h
00041 #define __vtkPDataSetReader_h
00042 
00043 #include "vtkSource.h"
00044 
00045 class vtkDataSet;
00046 
00047 class VTK_PARALLEL_EXPORT vtkPDataSetReader : public vtkSource
00048 {
00049 public:
00050   void PrintSelf(ostream& os, vtkIndent indent);
00051   vtkTypeRevisionMacro(vtkPDataSetReader,vtkSource);
00052   static vtkPDataSetReader *New();
00053 
00055   virtual int GetNumberOfOutputs() { return 1;}
00056   
00058 
00059   vtkSetStringMacro(FileName);
00060   vtkGetStringMacro(FileName);
00062 
00064 
00066   void SetOutput(vtkDataSet *output);
00067   virtual vtkDataSet* GetOutput();
00068   virtual vtkDataSet* GetOutput(int idx);
00070 
00072   virtual void Update();
00073 
00075 
00077   vtkGetMacro(DataType, int);
00079   
00082   virtual int ReadOutputType();
00083 
00085   int CanReadFile(const char* filename);
00086 
00087 protected:
00088   vtkPDataSetReader();
00089   ~vtkPDataSetReader();
00090 
00091   virtual void ExecuteInformation();
00092   void ReadPVTKFileInformation(ifstream *fp);
00093   void ReadVTKFileInformation(ifstream *fp);
00094 
00095   virtual void Execute();
00096   void PolyDataExecute();
00097   void UnstructuredGridExecute();
00098   void ImageDataExecute();
00099   void StructuredGridExecute();
00100 
00101   void CoverExtent(int ext[6], int *pieceMask);
00102 
00103   vtkDataSet *CheckOutput();
00104   void SetNumberOfPieces(int num);
00105 
00106 //BTX
00107   ifstream *OpenFile(const char *);
00108 //ETX
00109   int ReadXML(ifstream *file, char **block, char **param, char **value);
00110   void SkipFieldData(ifstream *file);
00111 
00112   int VTKFileFlag;
00113   int StructuredFlag;
00114   char *FileName;
00115   int DataType;
00116   int NumberOfPieces;
00117   char **PieceFileNames;
00118   int **PieceExtents;
00119 
00120 private:
00121   vtkPDataSetReader(const vtkPDataSetReader&); // Not implemented
00122   void operator=(const vtkPDataSetReader&); // Not implemented
00123 };
00124 
00125 #endif