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

  Program:   Visualization Toolkit
  Module:    vtkGeoFileTerrainSource.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.
-------------------------------------------------------------------------*/
#include "vtkGeovisCoreModule.h" // For export macro
#include "vtkGeoSource.h"
#include "vtkSmartPointer.h" // For smart pointer ivars

class vtkGeoTerrainNode;
class vtkGeoTreeNode;

class VTKGEOVISCORE_EXPORT vtkGeoFileTerrainSource : public vtkGeoSource
{
public:
  static vtkGeoFileTerrainSource *New();
  vtkTypeMacro(vtkGeoFileTerrainSource,vtkGeoSource);
  void PrintSelf(ostream& os, vtkIndent indent);

  vtkGeoFileTerrainSource();
  ~vtkGeoFileTerrainSource();

  virtual bool FetchRoot(vtkGeoTreeNode* root);

  virtual bool FetchChild(vtkGeoTreeNode* node, int index, vtkGeoTreeNode* child);


  vtkSetStringMacro(Path);
  vtkGetStringMacro(Path);

protected:

  bool ReadModel(int level, int id, vtkGeoTerrainNode* node);

private:
  vtkGeoFileTerrainSource(const vtkGeoFileTerrainSource&); // Not implemented
  void operator=(const vtkGeoFileTerrainSource&); // Not implemented

  char* Path;
};