00001 /*=======================================================================
00002  * Copyright 1991-1996, Silicon Graphics, Inc.
00003  * ALL RIGHTS RESERVED
00004  *
00005  * UNPUBLISHED -- Rights reserved under the copyright laws of the United
00006  * States.   Use of a copyright notice is precautionary only and does not
00007  * imply publication or disclosure.
00008  *
00009  * U.S. GOVERNMENT RESTRICTED RIGHTS LEGEND:
00010  * Use, duplication or disclosure by the Government is subject to restrictions
00011  * as set forth in FAR 52.227.19(c)(2) or subparagraph (c)(1)(ii) of the Rights
00012  * in Technical Data and Computer Software clause at DFARS 252.227-7013 and/or
00013  * in similar or successor clauses in the FAR, or the DOD or NASA FAR
00014  * Supplement.  Contractor/manufacturer is Silicon Graphics, Inc.,
00015  * 2011 N. Shoreline Blvd. Mountain View, CA 94039-7311.
00016  *
00017  * THE CONTENT OF THIS WORK CONTAINS CONFIDENTIAL AND PROPRIETARY
00018  * INFORMATION OF SILICON GRAPHICS, INC. ANY DUPLICATION, MODIFICATION,
00019  * DISTRIBUTION, OR DISCLOSURE IN ANY FORM, IN WHOLE, OR IN PART, IS STRICTLY
00020  * PROHIBITED WITHOUT THE PRIOR EXPRESS WRITTEN PERMISSION OF SILICON
00021  * GRAPHICS, INC.
00022 **=======================================================================*/
00023 /*=======================================================================
00024 ** Author      : Dave Immel (MMM yyyy)
00025 **=======================================================================*/
00026 /*=======================================================================
00027  *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.),            ***
00028  ***              AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT.                     ***
00029  ***                                                                                ***
00030  ***  REPRODUCTION, DISCLOSURE,  OR USE,  IN WHOLE OR IN PART,  OTHER THAN AS       ***
00031  ***  SPECIFIED  IN THE LICENSE ARE  NOT TO BE  UNDERTAKEN  EXCEPT WITH PRIOR       ***
00032  ***  WRITTEN AUTHORIZATION OF FEI S.A.S.                                           ***
00033  ***                                                                                ***
00034  ***                        RESTRICTED RIGHTS LEGEND                                ***
00035  ***  USE, DUPLICATION, OR DISCLOSURE BY THE GOVERNMENT OF THE CONTENT OF THIS      ***
00036  ***  WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN      ***
00037  ***  SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT      ***
00038  ***  CLAUSE  AT FAR 52.227-19  OR SUBPARAGRAPH  (C)(1)(II)  OF  THE RIGHTS IN      ***
00039  ***  TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013.             ***
00040  ***                                                                                ***
00041  ***                   COPYRIGHT (C) 1996-2014 BY FEI S.A.S,                        ***
00042  ***                        BORDEAUX, FRANCE                                        ***
00043  ***                      ALL RIGHTS RESERVED                                       ***
00044 **=======================================================================*/
00045 /*=======================================================================
00046 ** Modified by : VSG (MMM YYYY)
00047 **=======================================================================*/
00048 
00049 
00050 #ifndef  _SO_NURBS_SURFACE_
00051 #define  _SO_NURBS_SURFACE_
00052 
00053 #include <Inventor/fields/SoMFFloat.h>
00054 #include <Inventor/fields/SoSFInt32.h>
00055 #include <Inventor/nodes/SoShape.h>
00056 
00057 class SoState;
00058 class SoChildList;
00059 
00060 SO_PIMPL_PUBLIC_DECLARATION(SoNurbsSurface)
00061 
00062 
00142 class  SoNurbsSurface : public SoShape {
00143 
00144   SO_NODE_HEADER(SoNurbsSurface);
00145   SO_PIMPL_PUBLIC_HEADER(SoNurbsSurface)
00146   
00147  public:
00152   SoSFInt32 numUControlPoints;
00153 
00158   SoSFInt32 numVControlPoints;
00159 
00164   SoSFInt32 numSControlPoints;
00165 
00170   SoSFInt32 numTControlPoints;
00171 
00176   SoMFFloat uKnotVector;
00177 
00182   SoMFFloat vKnotVector;
00183 
00188   SoMFFloat sKnotVector;
00189 
00194   SoMFFloat tKnotVector;
00195 
00199   SoNurbsSurface();
00200 
00201  private:
00202   virtual void GLRender(SoGLRenderAction *action);
00203   virtual void rayPick(SoRayPickAction *action);
00204   virtual void getPrimitiveCount(SoGetPrimitiveCountAction *action);
00205   virtual void getBoundingBox(SoGetBoundingBoxAction *action);
00206 
00207   // Computes bounding box of surface
00208   virtual void computeBBox(SoAction *action, SbBox3f &box, SbVec3f &center);
00209 
00210  private:
00211   static void initClass();
00212   static void exitClass();
00213 
00214  private:
00215   // Generates triangles representing a surface
00216   virtual void generatePrimitives(SoAction *action);
00217   virtual SoChildList *getChildren() const;
00218 
00219   ~SoNurbsSurface();
00220 
00221 private:
00222   void commonConstructor();
00223   inventor::impl::SoNurbsSurfaceImpl* getImpl();
00224 
00225   SoChildList* m_children;
00226 
00227   friend class SoNurbsBREPAction;
00228   friend class SoNurbsGroup;
00229 
00230 };
00231 
00232 #endif /* _SO_NURBS_SURFACE_ */
00233 
00234
Inventor/nodes/SoNurbsSurface.h
