00001 /*========================================================================= 00002 00003 Program: Visualization Toolkit 00004 Module: $RCSfile: vtkXMLUnstructuredGridReader.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 =========================================================================*/ 00042 #ifndef __vtkXMLUnstructuredGridReader_h 00043 #define __vtkXMLUnstructuredGridReader_h 00044 00045 #include "vtkXMLUnstructuredDataReader.h" 00046 00047 class vtkUnstructuredGrid; 00048 00049 class VTK_IO_EXPORT vtkXMLUnstructuredGridReader : public vtkXMLUnstructuredDataReader 00050 { 00051 public: 00052 vtkTypeRevisionMacro(vtkXMLUnstructuredGridReader,vtkXMLUnstructuredDataReader); 00053 void PrintSelf(ostream& os, vtkIndent indent); 00054 static vtkXMLUnstructuredGridReader *New(); 00055 00057 00058 void SetOutput(vtkUnstructuredGrid *output); 00059 vtkUnstructuredGrid *GetOutput(); 00060 vtkUnstructuredGrid *GetOutput(int idx); 00062 00063 protected: 00064 vtkXMLUnstructuredGridReader(); 00065 ~vtkXMLUnstructuredGridReader(); 00066 00067 const char* GetDataSetName(); 00068 void GetOutputUpdateExtent(int& piece, int& numberOfPieces, int& ghostLevel); 00069 void SetupOutputTotals(); 00070 void SetupPieces(int numPieces); 00071 void DestroyPieces(); 00072 00073 void SetupOutputData(); 00074 int ReadPiece(vtkXMLDataElement* ePiece); 00075 void SetupNextPiece(); 00076 int ReadPieceData(); 00077 00078 // Read a data array whose tuples coorrespond to cells. 00079 int ReadArrayForCells(vtkXMLDataElement* da, vtkDataArray* outArray); 00080 00081 // The index of the cell in the output where the current piece 00082 // begins. 00083 vtkIdType StartCell; 00084 00085 // The Cells element for each piece. 00086 vtkXMLDataElement** CellElements; 00087 vtkIdType* NumberOfCells; 00088 00089 private: 00090 vtkXMLUnstructuredGridReader(const vtkXMLUnstructuredGridReader&); // Not implemented. 00091 void operator=(const vtkXMLUnstructuredGridReader&); // Not implemented. 00092 }; 00093 00094 #endif