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vtkHierarchicalDataIterator.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkHierarchicalDataIterator.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 =========================================================================*/
00034 #ifndef __vtkHierarchicalDataIterator_h
00035 #define __vtkHierarchicalDataIterator_h
00036 
00037 #include "vtkCompositeDataIterator.h"
00038 
00039 class vtkHierarchicalDataSet;
00040 class vtkHierarchicalDataIteratorInternal;
00041 
00042 class VTK_FILTERING_EXPORT vtkHierarchicalDataIterator : public vtkCompositeDataIterator
00043 {
00044 public:
00045   static vtkHierarchicalDataIterator *New();
00046 
00047   vtkTypeRevisionMacro(vtkHierarchicalDataIterator,vtkCompositeDataIterator);
00048   void PrintSelf(ostream& os, vtkIndent indent);
00049 
00051   virtual void GoToFirstItem();
00052 
00054   virtual void GoToNextItem();
00055 
00058   virtual int IsDoneWithTraversal();
00059 
00062   virtual vtkDataObject* GetCurrentDataObject();
00063 
00065 
00066   void SetDataSet(vtkHierarchicalDataSet* dataset);
00067   vtkGetObjectMacro(DataSet, vtkHierarchicalDataSet);
00069 
00070 protected:
00071   vtkHierarchicalDataIterator(); 
00072   virtual ~vtkHierarchicalDataIterator(); 
00073 
00074   void GoToNextNonEmptyLevel();
00075 
00076   vtkHierarchicalDataSet* DataSet;
00077   vtkHierarchicalDataIteratorInternal* Internal;
00078 
00079 private:
00080   vtkHierarchicalDataIterator(const vtkHierarchicalDataIterator&);  // Not implemented.
00081   void operator=(const vtkHierarchicalDataIterator&);  // Not implemented.
00082 };
00083 
00084 #endif
00085