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dox/IO/vtkPolyDataReader.h

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 =========================================================================*/
00040 #ifndef __vtkPolyDataReader_h
00041 #define __vtkPolyDataReader_h
00042 
00043 #include "vtkDataReader.h"
00044 
00045 class vtkPolyData;
00046 
00047 class VTK_IO_EXPORT vtkPolyDataReader : public vtkDataReader
00048 {
00049 public:
00050   static vtkPolyDataReader *New();
00051   vtkTypeRevisionMacro(vtkPolyDataReader,vtkDataReader);
00052   void PrintSelf(ostream& os, vtkIndent indent);
00053 
00055 
00056   vtkPolyData *GetOutput();
00057   vtkPolyData *GetOutput(int idx)
00058     {return (vtkPolyData *) this->vtkSource::GetOutput(idx); };
00059   void SetOutput(vtkPolyData *output);
00061 
00062 protected:
00063   vtkPolyDataReader();
00064   ~vtkPolyDataReader();
00065 
00066   void Execute();
00067 
00068   // Update extent of PolyData is specified in pieces.  
00069   // Since all DataObjects should be able to set UpdateExent as pieces,
00070   // just copy output->UpdateExtent  all Inputs.
00071   void ComputeInputUpdateExtents(vtkDataObject *output);
00072   
00073   // Used by streaming: The extent of the output being processed
00074   // by the execute method. Set in the ComputeInputUpdateExtents method.
00075   int ExecutePiece;
00076   int ExecuteNumberOfPieces;
00077   int ExecuteGhostLevel;
00078 private:
00079   vtkPolyDataReader(const vtkPolyDataReader&);  // Not implemented.
00080   void operator=(const vtkPolyDataReader&);  // Not implemented.
00081 };
00082 
00083 #endif
00084 
00085