00001 /*========================================================================= 00002 00003 Program: Visualization Toolkit 00004 Module: $RCSfile: vtkXMLUnstructuredGridReader.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 =========================================================================*/ 00041 #ifndef __vtkXMLUnstructuredGridReader_h 00042 #define __vtkXMLUnstructuredGridReader_h 00043 00044 #include "vtkXMLUnstructuredDataReader.h" 00045 00046 class vtkUnstructuredGrid; 00047 00048 class VTK_IO_EXPORT vtkXMLUnstructuredGridReader : public vtkXMLUnstructuredDataReader 00049 { 00050 public: 00051 vtkTypeRevisionMacro(vtkXMLUnstructuredGridReader,vtkXMLUnstructuredDataReader); 00052 void PrintSelf(ostream& os, vtkIndent indent); 00053 static vtkXMLUnstructuredGridReader *New(); 00054 00056 00057 void SetOutput(vtkUnstructuredGrid *output); 00058 vtkUnstructuredGrid *GetOutput(); 00059 vtkUnstructuredGrid *GetOutput(int idx); 00061 00062 protected: 00063 vtkXMLUnstructuredGridReader(); 00064 ~vtkXMLUnstructuredGridReader(); 00065 00066 const char* GetDataSetName(); 00067 void GetOutputUpdateExtent(int& piece, int& numberOfPieces, int& ghostLevel); 00068 void SetupOutputTotals(); 00069 void SetupPieces(int numPieces); 00070 void DestroyPieces(); 00071 00072 void SetupOutputData(); 00073 int ReadPiece(vtkXMLDataElement* ePiece); 00074 void SetupNextPiece(); 00075 int ReadPieceData(); 00076 00077 // Read a data array whose tuples coorrespond to cells. 00078 int ReadArrayForCells(vtkXMLDataElement* da, vtkDataArray* outArray); 00079 00080 // Get the number of cells in the given piece. Valid after 00081 // UpdateInformation. 00082 virtual vtkIdType GetNumberOfCellsInPiece(int piece); 00083 00084 // The index of the cell in the output where the current piece 00085 // begins. 00086 vtkIdType StartCell; 00087 00088 // The Cells element for each piece. 00089 vtkXMLDataElement** CellElements; 00090 vtkIdType* NumberOfCells; 00091 00092 private: 00093 vtkXMLUnstructuredGridReader(const vtkXMLUnstructuredGridReader&); // Not implemented. 00094 void operator=(const vtkXMLUnstructuredGridReader&); // Not implemented. 00095 }; 00096 00097 #endif