Open Inventor Release 2024.1.1
 
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SoNurbsProfile.h
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5 * UNPUBLISHED -- Rights reserved under the copyright laws of the United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 : Thad Beier (MMM yyyy)
25** Modified by : Dave Immel (MMM yyyy)
26** Modified by : Paul Strauss (MMM yyyy)
27**=======================================================================*/
28/*=======================================================================
29 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.), ***
30 *** AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT. ***
31 *** ***
32 *** REPRODUCTION, DISCLOSURE, OR USE, IN WHOLE OR IN PART, OTHER THAN AS ***
33 *** SPECIFIED IN THE LICENSE ARE NOT TO BE UNDERTAKEN EXCEPT WITH PRIOR ***
34 *** WRITTEN AUTHORIZATION OF FEI S.A.S. ***
35 *** ***
36 *** RESTRICTED RIGHTS LEGEND ***
37 *** USE, DUPLICATION, OR DISCLOSURE BY THE GOVERNMENT OF THE CONTENT OF THIS ***
38 *** WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN ***
39 *** SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT ***
40 *** CLAUSE AT FAR 52.227-19 OR SUBPARAGRAPH (C)(1)(II) OF THE RIGHTS IN ***
41 *** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013. ***
42 *** ***
43 *** COPYRIGHT (C) 1996-2014 BY FEI S.A.S, ***
44 *** BORDEAUX, FRANCE ***
45 *** ALL RIGHTS RESERVED ***
46**=======================================================================*/
47/*=======================================================================
48** Modified by : VSG (MMM YYYY)
49**=======================================================================*/
50
51
52#ifndef _SO_NURBS_PROFILE_
53#define _SO_NURBS_PROFILE_
54
55#include <Inventor/fields/SoMFFloat.h>
56#include <Inventor/fields/SoSFNode.h>
57#include <Inventor/nodes/SoProfile.h>
58
60//
61// Class: SoNurbsProfile
62//
63//
65
117
118 SO_NODE_HEADER(SoNurbsProfile);
119
120 public:
127
136
141
142 private:
143 // Returns a profile as a trim curve. floatsPerVec will be either
144 // 2 or 3 depending on whether the curve is non-rational or
145 // rational.
146 virtual void getTrimCurve(SoState *state, int32_t &numPoints,
147 float *&points, int &floatsPerVec,
148 int32_t &numKnots, float *&knotVector);
149
150 // Returns vertices approximating the profile
151 virtual void getVertices(SoState *state, int32_t &nVertices,
152 SbVec2f *&vertices);
153
154 private:
155 static void initClass();
156 static void exitClass();
157
158 int getNurbsBoundaryID() { return m_boundaryId; }
159 void setNurbsBoundaryID(int id) { m_boundaryId = id; }
160
161 private:
162 virtual ~SoNurbsProfile();
163
164 private:
165 int m_boundaryId;
166};
167
168#endif /* _SO_NURBS_PROFILE_ */
169
2D vector class.
Definition SbVec.h:76
Multiple-value field containing any number of floating point values.
Definition SoMFFloat.h:90
NURBS profile curve.
SoMFFloat knotVector
The knot vector for the NURBS curve.
SoNurbsProfile()
Creates a NURBS profile curve node with default settings.
SoSFNode boundary
Associate the profile with the specified boundary using an SoNurbsBoundary node.
Abstract base class for all profile nodes.
Definition SoProfile.h:116
Field containing a a node.
Definition SoSFNode.h:97
Traversal state.
Definition SoState.h:74