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dox/IO/vtkXMLPStructuredDataReader.h

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00001 /*========================================================================= 00002 00003 Program: Visualization Toolkit 00004 Module: $RCSfile: vtkXMLPStructuredDataReader.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 =========================================================================*/ 00030 #ifndef __vtkXMLPStructuredDataReader_h 00031 #define __vtkXMLPStructuredDataReader_h 00032 00033 #include "vtkXMLPDataReader.h" 00034 00035 class vtkExtentTranslator; 00036 class vtkTableExtentTranslator; 00037 class vtkXMLStructuredDataReader; 00038 00039 class VTK_IO_EXPORT vtkXMLPStructuredDataReader : public vtkXMLPDataReader 00040 { 00041 public: 00042 vtkTypeRevisionMacro(vtkXMLPStructuredDataReader,vtkXMLPDataReader); 00043 void PrintSelf(ostream& os, vtkIndent indent); 00044 00049 virtual vtkExtentTranslator* GetExtentTranslator(); 00050 00051 protected: 00052 vtkXMLPStructuredDataReader(); 00053 ~vtkXMLPStructuredDataReader(); 00054 00055 vtkIdType GetNumberOfPoints(); 00056 vtkIdType GetNumberOfCells(); 00057 void CopyArrayForPoints(vtkDataArray* inArray, vtkDataArray* outArray); 00058 void CopyArrayForCells(vtkDataArray* inArray, vtkDataArray* outArray); 00059 00060 virtual void SetOutputExtent(int* extent)=0; 00061 virtual void GetPieceInputExtent(int index, int* extent)=0; 00062 00063 // Pipeline execute data driver. Called by vtkXMLReader. 00064 void ReadXMLData(); 00065 int ReadPrimaryElement(vtkXMLDataElement* ePrimary); 00066 00067 void SetupEmptyOutput(); 00068 void SetupPieces(int numPieces); 00069 void DestroyPieces(); 00070 int ReadPiece(vtkXMLDataElement* ePiece); 00071 int ReadPieceData(); 00072 void CopySubExtent(int* inExtent, int* inDimensions, int* inIncrements, 00073 int* outExtent, int* outDimensions, int* outIncrements, 00074 int* subExtent, int* subDimensions, 00075 vtkDataArray* inArray, vtkDataArray* outArray); 00076 00077 vtkTableExtentTranslator* ExtentTranslator; 00078 00079 // The extent to be updated in the output. 00080 int UpdateExtent[6]; 00081 int PointDimensions[3]; 00082 int PointIncrements[3]; 00083 int CellDimensions[3]; 00084 int CellIncrements[3]; 00085 00086 // The extent currently being read from a piece. 00087 int SubExtent[6]; 00088 int SubPointDimensions[3]; 00089 int SubCellDimensions[3]; 00090 int SubPieceExtent[6]; 00091 int SubPiecePointDimensions[3]; 00092 int SubPiecePointIncrements[3]; 00093 int SubPieceCellDimensions[3]; 00094 int SubPieceCellIncrements[3]; 00095 00096 // Information per-piece. 00097 int* PieceExtents; 00098 00099 private: 00100 vtkXMLPStructuredDataReader(const vtkXMLPStructuredDataReader&); // Not implemented. 00101 void operator=(const vtkXMLPStructuredDataReader&); // Not implemented. 00102 }; 00103 00104 #endif