vtkGeoProjection.h

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

  Program:   Visualization Toolkit
  Module:    vtkGeoProjection.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 vtkGeoProjection_h
#define vtkGeoProjection_h

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

struct PROJconsts;
typedef PROJconsts PROJ;

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

  static int GetNumberOfProjections();

  static const char* GetProjectionName( int projection );

  static const char* GetProjectionDescription( int projection );


  vtkSetStringMacro(Name);
  vtkGetStringMacro(Name);

  int GetIndex();

  const char* GetDescription();


  vtkSetMacro(CentralMeridian,double);
  vtkGetMacro(CentralMeridian,double);

  PROJ* GetProjection();

  void SetOptionalParameter(const char* key, const char* value);

  void RemoveOptionalParameter(const char*);

  int GetNumberOfOptionalParameters();

  const char* GetOptionalParameterKey(int index);

  const char* GetOptionalParameterValue(int index);

  void ClearOptionalParameters();

protected:
  vtkGeoProjection();
  virtual ~vtkGeoProjection();

  virtual int UpdateProjection();

  char* Name;
  double CentralMeridian;
  PROJ* Projection;
  vtkTimeStamp ProjectionMTime;

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

  class vtkInternals;
  vtkInternals* Internals;
};

#endif // vtkGeoProjection_h