dox/Geovis/vtkGeoImageNode.h

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

  Program:   Visualization Toolkit
  Module:    vtkGeoImageNode.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 __vtkGeoImageNode_h
#define __vtkGeoImageNode_h

#include "vtkGeoTreeNode.h"
#include "vtkSmartPointer.h" // for SP
#include "vtkImageData.h" // for SP

class vtkPolyData;
class vtkTexture;

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


  vtkGeoImageNode* GetChild(int idx);
  vtkGeoImageNode* GetParent();
  

  vtkImageData* GetImage();
  void SetImage(vtkImageData* image);


  vtkTexture* GetTexture();
  void SetTexture(vtkTexture* texture);


  void CropImageForTile(vtkImageData* image,double* imageLonLatExt,
    const char* prefix = 0);

  void LoadAnImage(const char* prefix);


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

  // Returns whether this node has valid data associated
  // with it, or if it is an "empty" node.
  virtual bool HasData();

  virtual void DeleteData();
  
protected:
  vtkGeoImageNode();
  ~vtkGeoImageNode();

  int PowerOfTwo(int val);

//BTX
  vtkSmartPointer<vtkImageData> Image;
  vtkSmartPointer<vtkTexture> Texture;
//ETX

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

#endif