vtkGeoTerrainNode.h

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

  Program:   Visualization Toolkit
  Module:    vtkGeoTerrainNode.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 vtkGeoTerrainNode_h
#define vtkGeoTerrainNode_h

#include "vtkGeovisCoreModule.h" // For export macro
#include "vtkGeoTreeNode.h"
#include "vtkSmartPointer.h" // for SP

class vtkPolyData;

#if !defined(VTK_LEGACY_REMOVE)
class VTKGEOVISCORE_EXPORT vtkGeoTerrainNode : public vtkGeoTreeNode
{
public:
  static vtkGeoTerrainNode *New();
  vtkTypeMacro(vtkGeoTerrainNode, vtkGeoTreeNode);
  void PrintSelf(ostream& os, vtkIndent indent) override;


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

  double GetAltitude(double longitude, double latitude);


  vtkPolyData* GetModel();
  void SetModel(vtkPolyData* model);


  void UpdateBoundingSphere();
  vtkGetMacro(BoundingSphereRadius, double);
  vtkGetVector3Macro(BoundingSphereCenter, double);

  vtkGetVector3Macro(CornerNormal00,double);
  vtkGetVector3Macro(CornerNormal01,double);
  vtkGetVector3Macro(CornerNormal10,double);
  vtkGetVector3Macro(CornerNormal11,double);


  vtkGetVector4Macro(ProjectionBounds,double);
  vtkSetVector4Macro(ProjectionBounds,double);


  vtkGetMacro(GraticuleLevel,int);
  vtkSetMacro(GraticuleLevel,int);


  vtkGetMacro(Error,double);
  vtkSetMacro(Error,double);


  vtkGetMacro(Coverage,float);
  vtkSetMacro(Coverage,float);


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

  bool HasData() override;

  void DeleteData() override;

protected:
  vtkGeoTerrainNode();
  ~vtkGeoTerrainNode() override;

  vtkSmartPointer<vtkPolyData> Model;

  double BoundingSphereRadius;
  double BoundingSphereCenter[3];

  // I hate having to store this, but it is the easiest
  // way to determine if a node is not visible because
  // it is on the other side of the earth.
  double CornerNormal00[3];
  double CornerNormal01[3];
  double CornerNormal10[3];
  double CornerNormal11[3];

  double ProjectionBounds[4];
  int GraticuleLevel;
  double Error;
  float  Coverage;

private:
  vtkGeoTerrainNode(const vtkGeoTerrainNode&) = delete;
  void operator=(const vtkGeoTerrainNode&) = delete;
};

#endif //VTK_LEGACY_REMOVE
#endif