UTMElement.h

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#ifndef SMALLCHANGE_UTMELEMENT_H
#define SMALLCHANGE_UTMELEMENT_H

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#include <Inventor/elements/SoElement.h>
#include <Inventor/elements/SoSubElement.h>
#include <Inventor/SbLinear.h>

#include <SmallChange/basic.h>


class SMALLCHANGE_DLL_API UTMElement : public SoElement {
  typedef SoElement inherited;

  SO_ELEMENT_HEADER(UTMElement);

public:
  static void initClass(void);

  virtual void init(SoState * state);
  virtual void push(SoState * state);

  static void setGlobalTransform(SoState * state,
                                 const SbMatrix & m);
  static const SbMatrix & getGlobalTransform(SoState * state);

  static void setReferencePosition(SoState * state,
                                   double easting, double northing,
                                   double elevation);
  
  static void getReferencePosition(SoState * state,
                                   double & easting, double & northing,
                                   double & elevation);

  static SbVec3f setPosition(SoState * state,
                             double easting,
                             double northing,
                             double elevation);
  
  static const SbVec3f & getCurrentTranslation(SoState * state);

  virtual SbBool matches(const SoElement * element) const;
  virtual SoElement * copyMatchInfo(void) const;

protected:
  virtual ~UTMElement();

  double easting;
  double northing;
  double elevation;

  SbVec3f currtrans;
  SbMatrix gtransform;
};

#endif // !SMALLCHANGE_UTMELEMENT_H