Open Inventor Release 2023.2.3
 
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SoNurbsSurface.h
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1/*=======================================================================
2 * Copyright 1991-1996, Silicon Graphics, Inc.
3 * ALL RIGHTS RESERVED
4 *
5 * UNPUBLISHED -- Rights reserved under the copyright laws of the United
6 * States. Use of a copyright notice is precautionary only and does not
7 * imply publication or disclosure.
8 *
9 * U.S. GOVERNMENT RESTRICTED RIGHTS LEGEND:
10 * Use, duplication or disclosure by the Government is subject to restrictions
11 * as set forth in FAR 52.227.19(c)(2) or subparagraph (c)(1)(ii) of the Rights
12 * in Technical Data and Computer Software clause at DFARS 252.227-7013 and/or
13 * in similar or successor clauses in the FAR, or the DOD or NASA FAR
14 * Supplement. Contractor/manufacturer is Silicon Graphics, Inc.,
15 * 2011 N. Shoreline Blvd. Mountain View, CA 94039-7311.
16 *
17 * THE CONTENT OF THIS WORK CONTAINS CONFIDENTIAL AND PROPRIETARY
18 * INFORMATION OF SILICON GRAPHICS, INC. ANY DUPLICATION, MODIFICATION,
19 * DISTRIBUTION, OR DISCLOSURE IN ANY FORM, IN WHOLE, OR IN PART, IS STRICTLY
20 * PROHIBITED WITHOUT THE PRIOR EXPRESS WRITTEN PERMISSION OF SILICON
21 * GRAPHICS, INC.
22**=======================================================================*/
23/*=======================================================================
24** Author : Dave Immel (MMM yyyy)
25**=======================================================================*/
26/*=======================================================================
27 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.), ***
28 *** AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT. ***
29 *** ***
30 *** REPRODUCTION, DISCLOSURE, OR USE, IN WHOLE OR IN PART, OTHER THAN AS ***
31 *** SPECIFIED IN THE LICENSE ARE NOT TO BE UNDERTAKEN EXCEPT WITH PRIOR ***
32 *** WRITTEN AUTHORIZATION OF FEI S.A.S. ***
33 *** ***
34 *** RESTRICTED RIGHTS LEGEND ***
35 *** USE, DUPLICATION, OR DISCLOSURE BY THE GOVERNMENT OF THE CONTENT OF THIS ***
36 *** WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN ***
37 *** SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT ***
38 *** CLAUSE AT FAR 52.227-19 OR SUBPARAGRAPH (C)(1)(II) OF THE RIGHTS IN ***
39 *** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013. ***
40 *** ***
41 *** COPYRIGHT (C) 1996-2014 BY FEI S.A.S, ***
42 *** BORDEAUX, FRANCE ***
43 *** ALL RIGHTS RESERVED ***
44**=======================================================================*/
45/*=======================================================================
46** Modified by : VSG (MMM YYYY)
47**=======================================================================*/
48
49
50#ifndef _SO_NURBS_SURFACE_
51#define _SO_NURBS_SURFACE_
52
56
57class SoState;
58class SoChildList;
59
61
62
142class SoNurbsSurface : public SoShape {
143
145 SO_PIMPL_PUBLIC_HEADER(SoNurbsSurface)
146
147 public:
153
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195
200
201 private:
202 virtual void GLRender(SoGLRenderAction *action);
203 virtual void rayPick(SoRayPickAction *action);
204 virtual void getPrimitiveCount(SoGetPrimitiveCountAction *action);
205 virtual void getBoundingBox(SoGetBoundingBoxAction *action);
206
207 // Computes bounding box of surface
208 virtual void computeBBox(SoAction *action, SbBox3f &box, SbVec3f &center);
209
210 private:
211 static void initClass();
212 static void exitClass();
213
214 private:
215 // Generates triangles representing a surface
216 virtual void generatePrimitives(SoAction *action);
217 virtual SoChildList *getChildren() const;
218
220
221private:
222 void commonConstructor();
223 inventor::impl::SoNurbsSurfaceImpl* getImpl();
224
225 SoChildList* m_children;
226
227 friend class SoNurbsBREPAction;
228 friend class SoNurbsGroup;
229
230};
231
232#endif /* _SO_NURBS_SURFACE_ */
233
SO_PIMPL_PUBLIC_DECLARATION(SoFileDataAdapter)
#define SO_NODE_HEADER(className)
Definition SoSubNode.h:151
3D box class.
Definition SbBox.h:649
3D vector class.
Definition SbVec.h:932
Abstract base class for all actions.
Definition SoAction.h:132
Renders a scene graph using Open Inventor's Render Engine.
Computes bounding box of a scene.
<a href="IconLegend.html"><img src="extTGS.gif" alt="VSG extension" border="0"></a> Counts number of...
Multiple-value field containing any number of floating point values.
Definition SoMFFloat.h:90
<a href="IconLegend.html"><img src="extTGS.gif" alt="VSG extension" border="0"></a> Group that encap...
NURBS surface shape node.
SoMFFloat sKnotVector
The knot vectors in the S direction.
SoNurbsSurface()
Creates a NURBS surface node with default settings.
SoSFInt32 numTControlPoints
Number of control points in the T direction.
SoSFInt32 numSControlPoints
Number of control points in the S direction.
SoSFInt32 numVControlPoints
Number of control points in the V direction.
SoMFFloat vKnotVector
The knot vectors in the V direction.
SoMFFloat uKnotVector
The knot vectors in the U direction.
SoMFFloat tKnotVector
The knot vectors in the T direction.
SoSFInt32 numUControlPoints
Number of control points in the U direction.
Intersects objects with a ray cast into scene.
Field containing a int32_t integer.
Definition SoSFInt32.h:80
Abstract base class for all shape nodes.
Definition SoShape.h:115
Traversal state.
Definition SoState.h:74
SoChildList(SoNode *parentNode, int size)
void getChildren(int &numIndices, const int *&indices)