dox/Filtering/vtkHyperOctreeCursor.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkHyperOctreeCursor.h,v $

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
#ifndef __vtkHyperOctreeCursor_h
#define __vtkHyperOctreeCursor_h

#include "vtkObject.h"

enum
{
  VTK_OCTREE_CHILD_ZMIN_YMIN_XMIN=0,
  VTK_OCTREE_CHILD_ZMIN_YMIN_XMAX,
  VTK_OCTREE_CHILD_ZMIN_YMAX_XMIN,
  VTK_OCTREE_CHILD_ZMIN_YMAX_XMAX,
  VTK_OCTREE_CHILD_ZMAX_YMIN_XMIN,
  VTK_OCTREE_CHILD_ZMAX_YMIN_XMAX,
  VTK_OCTREE_CHILD_ZMAX_YMAX_XMIN,
  VTK_OCTREE_CHILD_ZMAX_YMAX_XMAX
};

const int VTK_QUADTREE_CHILD_SW=VTK_OCTREE_CHILD_ZMIN_YMIN_XMIN;
const int VTK_QUADTREE_CHILD_SE=VTK_OCTREE_CHILD_ZMIN_YMIN_XMAX;
const int VTK_QUADTREE_CHILD_NW=VTK_OCTREE_CHILD_ZMIN_YMAX_XMIN;
const int VTK_QUADTREE_CHILD_NE=VTK_OCTREE_CHILD_ZMIN_YMAX_XMAX;

const int VTK_BINARY_TREE_CHILD_LEFT=VTK_QUADTREE_CHILD_SW;
const int VTK_BINARY_TREE_CHILD_RIGHT=VTK_QUADTREE_CHILD_SE;

class VTK_FILTERING_EXPORT vtkHyperOctreeCursor : public vtkObject
{
public:
  vtkTypeRevisionMacro(vtkHyperOctreeCursor,vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent);
  
  virtual int GetLeafId()=0;
  
  virtual int CurrentIsLeaf()=0;
  
  virtual int CurrentIsRoot()=0;
  
  virtual int GetCurrentLevel()=0;
  
  virtual int GetChildIndex()=0;
  
  // Are the children of the current node all leaves?
  // This query can be called also on a leaf node.
  // \post compatible: result implies !CurrentIsLeaf()
  virtual int CurrentIsTerminalNode()=0;
  
  virtual void ToRoot()=0;
  
  virtual void ToParent()=0;
  
  virtual void ToChild(int child)=0;
  
  virtual void ToSameNode(vtkHyperOctreeCursor *other)=0;
 
  virtual int IsEqual(vtkHyperOctreeCursor *other)=0;
  
  virtual vtkHyperOctreeCursor *Clone()=0;
    
  virtual int SameTree(vtkHyperOctreeCursor *other)=0;
  
  virtual int GetIndex(int d)=0;
  
  virtual int GetNumberOfChildren()=0;
  
  virtual int GetDimension()=0;
  

  virtual void MoveToNode(int *indices,
                          int level)=0;
  
  virtual int Found()=0;
  
protected:
  // Constructor.
  vtkHyperOctreeCursor();
  virtual ~vtkHyperOctreeCursor();
private:
  vtkHyperOctreeCursor(const vtkHyperOctreeCursor&);  // Not implemented.
  void operator=(const vtkHyperOctreeCursor&);    // Not implemented.
};
#endif

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