UTMCamera.h

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#ifndef SMALLCHANGE_UTMCAMERA_H
#define SMALLCHANGE_UTMCAMERA_H

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#include <Inventor/nodes/SoSubNode.h>
#include <Inventor/nodes/SoPerspectiveCamera.h>
#include <Inventor/fields/SoSFString.h>
#include <Inventor/fields/SoSFBool.h>
#include <Inventor/fields/SoSFVec3d.h>

#include <SmallChange/basic.h>

class SoState;


class SMALLCHANGE_DLL_API UTMCamera : public SoPerspectiveCamera {
  typedef SoPerspectiveCamera inherited;

  SO_NODE_HEADER(UTMCamera);

public:
  static void initClass(void);
  UTMCamera(void);

  SoSFVec3d utmposition;
  SoSFBool moveTransform;

  virtual void callback(SoCallbackAction * action);
  virtual void GLRender(SoGLRenderAction * action);
  virtual void audioRender(class SoAudioRenderAction * action);
  virtual void getBoundingBox(SoGetBoundingBoxAction * action);
  virtual void handleEvent(SoHandleEventAction * action);
  virtual void rayPick(SoRayPickAction * action);
  virtual void getPrimitiveCount(SoGetPrimitiveCountAction * action);
  virtual void getMatrix(SoGetMatrixAction * action);

  void getPosition(double & easting, double & northing, double & elevation);

protected:
  virtual ~UTMCamera();
  virtual void notify(SoNotList * nl);

private:
  // for backwards compatibility
  SoSFString easting;
  SoSFString northing;
  SoSFString elevation;

  void setReferencePosition(SoState * state);
};

#endif // !SMALLCHANGE_UTMCAMERA_H