dox/Geovis/vtkGeoTreeNode.h

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

  Program:   Visualization Toolkit
  Module:    vtkGeoTreeNode.h

  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.

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

/*-------------------------------------------------------------------------
  Copyright 2008 Sandia Corporation.
  Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
  the U.S. Government retains certain rights in this software.
-------------------------------------------------------------------------*/

#ifndef __vtkGeoTreeNode_h
#define __vtkGeoTreeNode_h

#include "vtkObject.h"
#include "vtkSmartPointer.h" // for SP

class vtkPolyData;

class VTK_GEOVIS_EXPORT vtkGeoTreeNode : public vtkObject
{
public:
  static vtkGeoTreeNode *New();
  vtkTypeMacro(vtkGeoTreeNode, vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent);
  

  vtkSetMacro(Id,unsigned long);
  vtkGetMacro(Id,unsigned long);
  

  vtkSetMacro(Level, int);
  vtkGetMacro(Level, int);
  

  vtkSetVector2Macro(LongitudeRange,double);
  vtkGetVector2Macro(LongitudeRange,double);
  vtkSetVector2Macro(LatitudeRange,double);
  vtkGetVector2Macro(LatitudeRange,double);
  
  void SetChild(vtkGeoTreeNode* node, int idx);


  void SetParent(vtkGeoTreeNode* node)
    { this->Parent = node; }


  void SetOlder(vtkGeoTreeNode* node)
    { this->Older = node; }
  vtkGeoTreeNode* GetOlder()
    { return this->Older; }
  void SetNewer(vtkGeoTreeNode* node)
    { this->Newer = node; }
  vtkGeoTreeNode* GetNewer()
    { return this->Newer; }


  virtual bool HasData()
    { return false; }


  virtual void DeleteData()
    { }

  int GetWhichChildAreYou();

  bool IsDescendantOf(vtkGeoTreeNode* elder);

  int CreateChildren();


  vtkGeoTreeNode* GetChildTreeNode(int idx)
    { return this->Children[idx]; }


  vtkGeoTreeNode* GetParentTreeNode()
    { return this->Parent; }

//BTX
  enum NodeStatus
    {
    NONE,
    PROCESSING
    };

  NodeStatus GetStatus();
  void SetStatus(NodeStatus status);
//ETX


  virtual void ShallowCopy(vtkGeoTreeNode *src);  
  virtual void DeepCopy(vtkGeoTreeNode *src);

protected:
  vtkGeoTreeNode();
  ~vtkGeoTreeNode();

  int Level;
  unsigned long Id;

  double LongitudeRange[2];
  double LatitudeRange[2];

  //BTX
  vtkSmartPointer<vtkGeoTreeNode> Children[4];
  vtkGeoTreeNode * Parent;
  NodeStatus Status;
  vtkGeoTreeNode* Older;
  vtkGeoTreeNode* Newer;
  //ETX

private:
  vtkGeoTreeNode(const vtkGeoTreeNode&);  // Not implemented.
  void operator=(const vtkGeoTreeNode&);  // Not implemented.
};

#endif

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