SoGeoProjection.h

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 ***                        BORDEAUX, FRANCE                                        ***
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**=======================================================================*/
/*=======================================================================
** Author      : G.TALLEC (Sep 2007)
**=======================================================================*/
 
 
#ifndef  _SO_GEO_PROJECTION_
#define  _SO_GEO_PROJECTION_
 
#include <Inventor/nodes/SoProjection.h>
#include <Inventor/projection/SbProj4Projection.h>
 
class SbProj4Projection;
 
class  SoGeoProjection : public SoProjection
{
 
  SO_NODE_HEADER(SoGeoProjection);
 
public:
 
  SoGeoProjection();
 
  SoSFEnum ellipsoid;
 
  SoSFEnum coordinateSystem;
 
  SoSFEnum projection;
 
private:
 
  static void         initClass();
  static void         exitClass();
 
  static bool changeCoordSys( SbProj4Projection::CoordinateSystem originCoordSys, SbProj4Projection::CoordinateSystem destCoordSys, SbVec3f &coord );
 
  // return static instance
  static SoGeoProjection* getInstance();
 
  void setProj( SbProj4Projection::Projection proj );
 
  void setEllipsoidIn( SbProj4Projection::PredefinedEllipsoid ellipsoid );
 
  void setProjIn( SbProj4Projection::Projection proj );
 
  void setUTMZone( int zone );
 
  void setUTMSouth( bool south );
 
  SbProj4Projection::PredefinedEllipsoid getEllipsoidIn();
 
  SbProj4Projection::Projection getProjIn();
 
  int getUTMZone();
 
  bool isUTMSouth();
 
  void setRevertCoord( bool revertCoordNeeded ) { m_proj4Projection->setRevertCoord( revertCoordNeeded ); };
 
  bool isRevertCoordNeeded() { return m_proj4Projection->isRevertCoordNeeded(); };
 
  static void ellipsoidChangedCB( void *data, SoSensor* );
 
  static void coordinateChangedCB( void *data, SoSensor* );
 
  static void projIdChangedCB( void *data, SoSensor* );
 
  static void projectionChangedCB( void *data, SoSensor* );
 
private:
 
  //static instance for system coordinate change
  static SoGeoProjection* m_geoProjection;
 
  //Internal proj4 projection
  SbProj4Projection* m_proj4Projection;
 
  virtual ~SoGeoProjection();
 
  //Called if projection type id has changed
  SoFieldSensor* m_typeIdSensor;
 
  // Field sensors
  SoFieldSensor* m_projectionSensor;
  SoFieldSensor* m_ellipsoidSensor;
  SoFieldSensor* m_coordinateSensor;
};
 
#endif /* _SO_GEO_PROJECTION_ */