SoPickRayElement.h

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/*=======================================================================
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**=======================================================================*/
/*=======================================================================
** Author      : Paul S. Strauss (MMM yyyy)
**=======================================================================*/
/*=======================================================================
 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.),            ***
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**=======================================================================*/
/*=======================================================================
** Modified by : VSG (MMM YYYY)
**=======================================================================*/
 
 
#ifndef  _SO_PICK_RAY_ELEMENT
#define  _SO_PICK_RAY_ELEMENT
 
#include <Inventor/SbLinear.h>
#include <Inventor/elements/SoSubElement.h>
 
SoEXTENDER_Documented class  SoPickRayElement : public SoElement {
 
  SO_ELEMENT_HEADER(SoPickRayElement);
 
 public:
 
  static void         set(SoState *state, const SbViewVolume &volume);
 
  static const SbViewVolume & get(SoState *state);
 
  virtual void        print(FILE *fp) const;
 
private:
 
  virtual void init(SoState *state);
 
  virtual SbBool matches(const SoElement* elt) const;
 
  virtual SoElement* copyMatchInfo() const;
 
 private:
  // Initializes the SoPickRayElement class
  static void         initClass();
  static void         exitClass();
 
 private:
  SbViewVolume        volume;         // Ray as view volume
 
  virtual ~SoPickRayElement();
};
 
#endif /* _SO_PICK_RAY_ELEMENT */