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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 00006 Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen 00007 All rights reserved. 00008 See Copyright.txt or http://www.kitware.com/Copyright.htm for details. 00009 00010 This software is distributed WITHOUT ANY WARRANTY; without even 00011 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 00012 PURPOSE. See the above copyright notice for more information. 00013 00014 =========================================================================*/ 00026 #ifndef __vtkXMLPStructuredDataReader_h 00027 #define __vtkXMLPStructuredDataReader_h 00028 00029 #include "vtkXMLPDataReader.h" 00030 00031 class vtkExtentSplitter; 00032 class vtkExtentTranslator; 00033 class vtkTableExtentTranslator; 00034 class vtkXMLStructuredDataReader; 00035 00036 class VTK_IO_EXPORT vtkXMLPStructuredDataReader : public vtkXMLPDataReader 00037 { 00038 public: 00039 vtkTypeRevisionMacro(vtkXMLPStructuredDataReader,vtkXMLPDataReader); 00040 void PrintSelf(ostream& os, vtkIndent indent); 00041 00046 virtual vtkExtentTranslator* GetExtentTranslator(); 00047 00048 protected: 00049 vtkXMLPStructuredDataReader(); 00050 ~vtkXMLPStructuredDataReader(); 00051 00052 vtkIdType GetNumberOfPoints(); 00053 vtkIdType GetNumberOfCells(); 00054 void CopyArrayForPoints(vtkDataArray* inArray, vtkDataArray* outArray); 00055 void CopyArrayForCells(vtkDataArray* inArray, vtkDataArray* outArray); 00056 00057 virtual void SetOutputExtent(int* extent)=0; 00058 virtual void GetPieceInputExtent(int index, int* extent)=0; 00059 00060 // Pipeline execute data driver. Called by vtkXMLReader. 00061 void ReadXMLData(); 00062 int ReadPrimaryElement(vtkXMLDataElement* ePrimary); 00063 00064 void SetupOutputInformation(); 00065 void SetupEmptyOutput(); 00066 void SetupPieces(int numPieces); 00067 void DestroyPieces(); 00068 int ReadPiece(vtkXMLDataElement* ePiece); 00069 int ReadPieceData(); 00070 void CopySubExtent(int* inExtent, int* inDimensions, int* inIncrements, 00071 int* outExtent, int* outDimensions, int* outIncrements, 00072 int* subExtent, int* subDimensions, 00073 vtkDataArray* inArray, vtkDataArray* outArray); 00074 int ComputePieceSubExtents(); 00075 00076 vtkTableExtentTranslator* ExtentTranslator; 00077 vtkExtentSplitter* ExtentSplitter; 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