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

  Program:   Visualization Toolkit
  Module:    vtkGeoSphereTransform.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 vtkGeoSphereTransform_h
#define vtkGeoSphereTransform_h

#include "vtkGeovisCoreModule.h" // For export macro
#include "vtkAbstractTransform.h"

class vtkGeoProjection;

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

  virtual void Inverse();


  virtual void InternalTransformPoint( const float in[3], float out[3] );
  virtual void InternalTransformPoint( const double in[3], double out[3] );


  virtual void InternalTransformDerivative( const float in[3], float out[3], float derivative[3][3] );
  virtual void InternalTransformDerivative( const double in[3], double out[3], double derivative[3][3] );

  virtual vtkAbstractTransform* MakeTransform();


  vtkSetMacro(ToRectangular, bool);
  vtkGetMacro(ToRectangular, bool);
  vtkBooleanMacro(ToRectangular, bool);


  vtkSetMacro(BaseAltitude, double);
  vtkGetMacro(BaseAltitude, double);

protected:
  vtkGeoSphereTransform();
  virtual ~vtkGeoSphereTransform();

  bool ToRectangular;
  double BaseAltitude;

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

#endif // vtkGeoSphereTransform_h