vtkGeoTransform.h

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

  Program:   Visualization Toolkit
  Module:    vtkGeoTransform.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 __vtkGeoTransform_h
#define __vtkGeoTransform_h

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

class vtkGeoProjection;

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


  void SetSourceProjection(vtkGeoProjection* source);
  vtkGetObjectMacro(SourceProjection,vtkGeoProjection);


  void SetDestinationProjection(vtkGeoProjection* dest);
  vtkGetObjectMacro(DestinationProjection,vtkGeoProjection);

  virtual void TransformPoints( vtkPoints* src, vtkPoints* dst );

  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();

protected:
  vtkGeoTransform();
  virtual ~vtkGeoTransform();

  void InternalTransformPoints( double* ptsInOut, vtkIdType numPts, int stride );

  vtkGeoProjection* SourceProjection;
  vtkGeoProjection* DestinationProjection;

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

#endif // __vtkGeoTransform_h