SoNurbsSurface.h

/*=======================================================================
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 * in Technical Data and Computer Software clause at DFARS 252.227-7013 and/or
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**=======================================================================*/
/*=======================================================================
** Author      : Dave Immel (MMM yyyy)
**=======================================================================*/
/*=======================================================================
 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.),            ***
 ***              AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT.                     ***
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 ***  CLAUSE  AT FAR 52.227-19  OR SUBPARAGRAPH  (C)(1)(II)  OF  THE RIGHTS IN      ***
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 ***                        BORDEAUX, FRANCE                                        ***
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**=======================================================================*/
/*=======================================================================
** Modified by : VSG (MMM YYYY)
**=======================================================================*/
 
 
#ifndef  _SO_NURBS_SURFACE_
#define  _SO_NURBS_SURFACE_
 
#include <Inventor/fields/SoMFFloat.h>
#include <Inventor/fields/SoSFInt32.h>
#include <Inventor/nodes/SoShape.h>
 
class SoState;
class SoChildList;
 
SO_PIMPL_PUBLIC_DECLARATION(SoNurbsSurface)
 
 
class  SoNurbsSurface : public SoShape {
 
  SO_NODE_HEADER(SoNurbsSurface);
  SO_PIMPL_PUBLIC_HEADER(SoNurbsSurface)
  
 public:
  SoSFInt32 numUControlPoints;
 
  SoSFInt32 numVControlPoints;
 
  SoSFInt32 numSControlPoints;
 
  SoSFInt32 numTControlPoints;
 
  SoMFFloat uKnotVector;
 
  SoMFFloat vKnotVector;
 
  SoMFFloat sKnotVector;
 
  SoMFFloat tKnotVector;
 
  SoNurbsSurface();
 
 private:
  virtual void GLRender(SoGLRenderAction *action);
  virtual void rayPick(SoRayPickAction *action);
  virtual void getPrimitiveCount(SoGetPrimitiveCountAction *action);
  virtual void getBoundingBox(SoGetBoundingBoxAction *action);
 
  // Computes bounding box of surface
  virtual void computeBBox(SoAction *action, SbBox3f &box, SbVec3f &center);
 
 private:
  static void initClass();
  static void exitClass();
 
 private:
  // Generates triangles representing a surface
  virtual void generatePrimitives(SoAction *action);
  virtual SoChildList *getChildren() const;
 
  ~SoNurbsSurface();
 
private:
  void commonConstructor();
  inventor::impl::SoNurbsSurfaceImpl* getImpl();
 
  SoChildList* m_children;
 
  friend class SoNurbsBREPAction;
  friend class SoNurbsGroup;
 
};
 
#endif /* _SO_NURBS_SURFACE_ */