00001 /*========================================================================= 00002 00003 Program: Visualization Toolkit 00004 Module: $RCSfile: vtkPolyDataReader.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 =========================================================================*/ 00052 #ifndef __vtkPolyDataReader_h 00053 #define __vtkPolyDataReader_h 00054 00055 #include "vtkDataReader.h" 00056 00057 class vtkPolyData; 00058 00059 class VTK_IO_EXPORT vtkPolyDataReader : public vtkDataReader 00060 { 00061 public: 00062 static vtkPolyDataReader *New(); 00063 vtkTypeRevisionMacro(vtkPolyDataReader,vtkDataReader); 00064 void PrintSelf(ostream& os, vtkIndent indent); 00065 00067 00068 vtkPolyData *GetOutput(); 00069 vtkPolyData *GetOutput(int idx) 00070 {return (vtkPolyData *) this->vtkSource::GetOutput(idx); }; 00071 void SetOutput(vtkPolyData *output); 00073 00074 protected: 00075 vtkPolyDataReader(); 00076 ~vtkPolyDataReader(); 00077 00078 void Execute(); 00079 00080 // Update extent of PolyData is specified in pieces. 00081 // Since all DataObjects should be able to set UpdateExent as pieces, 00082 // just copy output->UpdateExtent all Inputs. 00083 void ComputeInputUpdateExtents(vtkDataObject *output); 00084 00085 // Used by streaming: The extent of the output being processed 00086 // by the execute method. Set in the ComputeInputUpdateExtents method. 00087 int ExecutePiece; 00088 int ExecuteNumberOfPieces; 00089 int ExecuteGhostLevel; 00090 private: 00091 vtkPolyDataReader(const vtkPolyDataReader&); // Not implemented. 00092 void operator=(const vtkPolyDataReader&); // Not implemented. 00093 }; 00094 00095 #endif 00096 00097