UTMCoordinate.h

#ifndef SMALLCHANGE_UTMCOORDINATE_H
#define SMALLCHANGE_UTMCOORDINATE_H
 
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#include <Inventor/nodes/SoSubNode.h>
#include <Inventor/fields/SoMFVec3f.h>
#include <Inventor/lists/SbList.h>
 
#include <SmallChange/basic.h>
 
class SoState;
 
 
class SMALLCHANGE_DLL_API UTMCoordinate : public SoNode {
  typedef SoNode inherited;
 
  SO_NODE_HEADER(UTMCoordinate);
 
public:
  static void initClass(void);
  UTMCoordinate(void);
 
  // coordinates in this order: [easting, northing, elevation]
  SoMFVec3f point; // FIXME: need SoMFVec3d for better precision
 
  virtual void doAction(SoAction * action);
  virtual void GLRender(SoGLRenderAction * action);
  virtual void callback(SoCallbackAction * action);
  virtual void getBoundingBox(SoGetBoundingBoxAction * action);
  virtual void pick(SoPickAction * action);
  virtual void getPrimitiveCount(SoGetPrimitiveCountAction * action);
 
protected:
  virtual ~UTMCoordinate();
  virtual void notify(SoNotList * nl);
 
private:
  void updateCoords(SoState * state);
  SbList <SbVec3f> coords;
  double refpos[3];
  SbVec3f trans;
  SbBool dirty;
};
 
#endif // !SMALLCHANGE_UTMCOORDINATE_H