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dox/IO/vtkXMLStructuredDataReader.h

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00001 /*========================================================================= 00002 00003 Program: Visualization Toolkit 00004 Module: $RCSfile: vtkXMLStructuredDataReader.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 __vtkXMLStructuredDataReader_h 00027 #define __vtkXMLStructuredDataReader_h 00028 00029 #include "vtkXMLDataReader.h" 00030 00031 00032 class VTK_IO_EXPORT vtkXMLStructuredDataReader : public vtkXMLDataReader 00033 { 00034 public: 00035 vtkTypeRevisionMacro(vtkXMLStructuredDataReader,vtkXMLDataReader); 00036 void PrintSelf(ostream& os, vtkIndent indent); 00037 00039 virtual vtkIdType GetNumberOfPoints(); 00040 00042 virtual vtkIdType GetNumberOfCells(); 00043 00045 00049 vtkSetMacro(WholeSlices, int); 00050 vtkGetMacro(WholeSlices, int); 00051 vtkBooleanMacro(WholeSlices, int); 00053 00054 protected: 00055 vtkXMLStructuredDataReader(); 00056 ~vtkXMLStructuredDataReader(); 00057 00058 virtual void SetOutputExtent(int* extent)=0; 00059 int ReadPrimaryElement(vtkXMLDataElement* ePrimary); 00060 00061 // Pipeline execute data driver. Called by vtkXMLReader. 00062 void ReadXMLData(); 00063 00064 // Internal representation of pieces in the file that may have come 00065 // from a streamed write. 00066 int* PieceExtents; 00067 int* PiecePointDimensions; 00068 int* PiecePointIncrements; 00069 int* PieceCellDimensions; 00070 int* PieceCellIncrements; 00071 00072 // Whether to read in whole slices mode. 00073 int WholeSlices; 00074 00075 // The update extent and corresponding increments and dimensions. 00076 int UpdateExtent[6]; 00077 int PointDimensions[3]; 00078 int CellDimensions[3]; 00079 int PointIncrements[3]; 00080 int CellIncrements[3]; 00081 00082 // The extent currently being read. 00083 int SubExtent[6]; 00084 int SubPointDimensions[3]; 00085 int SubCellDimensions[3]; 00086 00087 // Override methods from superclass. 00088 void SetupEmptyOutput(); 00089 void SetupPieces(int numPieces); 00090 void DestroyPieces(); 00091 int ReadArrayForPoints(vtkXMLDataElement* da, vtkDataArray* outArray); 00092 int ReadArrayForCells(vtkXMLDataElement* da, vtkDataArray* outArray); 00093 00094 // Internal utility methods. 00095 int ReadPiece(vtkXMLDataElement* ePiece); 00096 int ReadSubExtent(int* inExtent, int* inDimensions, int* inIncrements, 00097 int* outExtent, int* outDimensions, int* outIncrements, 00098 int* subExtent, int* subDimensions, vtkXMLDataElement* da, 00099 vtkDataArray* array); 00100 00101 private: 00102 vtkXMLStructuredDataReader(const vtkXMLStructuredDataReader&); // Not implemented. 00103 void operator=(const vtkXMLStructuredDataReader&); // Not implemented. 00104 }; 00105 00106 #endif