00001 /*========================================================================= 00002 00003 Program: Visualization Toolkit 00004 Module: $RCSfile: vtkXMLPUnstructuredDataReader.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 =========================================================================*/ 00035 #ifndef __vtkXMLPUnstructuredDataReader_h 00036 #define __vtkXMLPUnstructuredDataReader_h 00037 00038 #include "vtkXMLPDataReader.h" 00039 00040 class vtkPointSet; 00041 class vtkCellArray; 00042 class vtkXMLUnstructuredDataReader; 00043 00044 class VTK_IO_EXPORT vtkXMLPUnstructuredDataReader : public vtkXMLPDataReader 00045 { 00046 public: 00047 vtkTypeRevisionMacro(vtkXMLPUnstructuredDataReader,vtkXMLPDataReader); 00048 void PrintSelf(ostream& os, vtkIndent indent); 00049 00050 protected: 00051 vtkXMLPUnstructuredDataReader(); 00052 ~vtkXMLPUnstructuredDataReader(); 00053 00054 vtkPointSet* GetOutputAsPointSet(); 00055 vtkPointSet* GetPieceInputAsPointSet(int piece); 00056 virtual void SetupOutputTotals(); 00057 virtual void SetupNextPiece(); 00058 vtkIdType GetNumberOfPoints(); 00059 vtkIdType GetNumberOfCells(); 00060 void CopyArrayForPoints(vtkDataArray* inArray, vtkDataArray* outArray); 00061 00062 void SetupEmptyOutput(); 00063 void SetupOutputInformation(); 00064 void SetupOutputData(); 00065 virtual void GetOutputUpdateExtent(int& piece, int& numberOfPieces, 00066 int& ghostLevel)=0; 00067 00068 // Pipeline execute data driver. Called by vtkXMLReader. 00069 void ReadXMLData(); 00070 int ReadPrimaryElement(vtkXMLDataElement* ePrimary); 00071 void SetupUpdateExtent(int piece, int numberOfPieces, int ghostLevel); 00072 00073 int ReadPieceData(); 00074 void CopyCellArray(vtkIdType totalNumberOfCells, vtkCellArray* inCells, 00075 vtkCellArray* outCells); 00076 00077 // Get the number of points/cells in the given piece. Valid after 00078 // UpdateInformation. 00079 virtual vtkIdType GetNumberOfPointsInPiece(int piece); 00080 virtual vtkIdType GetNumberOfCellsInPiece(int piece); 00081 00082 // The update request. 00083 int UpdatePiece; 00084 int UpdateNumberOfPieces; 00085 int UpdateGhostLevel; 00086 00087 // The range of pieces from the file that will form the UpdatePiece. 00088 int StartPiece; 00089 int EndPiece; 00090 vtkIdType TotalNumberOfPoints; 00091 vtkIdType TotalNumberOfCells; 00092 vtkIdType StartPoint; 00093 00094 // The PPoints element with point information. 00095 vtkXMLDataElement* PPointsElement; 00096 00097 private: 00098 vtkXMLPUnstructuredDataReader(const vtkXMLPUnstructuredDataReader&); // Not implemented. 00099 void operator=(const vtkXMLPUnstructuredDataReader&); // Not implemented. 00100 }; 00101 00102 #endif