Open Inventor Release 2024.2.0
 
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SoPerspectiveCamera.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5 * UNPUBLISHED -- Rights reserved under the copyright laws of the United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 : Paul S. Strauss (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_PERSPECTIVE_CAMERA_
51#define _SO_PERSPECTIVE_CAMERA_
52
53#include <Inventor/SbPImpl.h>
54#include <Inventor/fields/SoSFFloat.h>
55#include <Inventor/nodes/SoCamera.h>
56
58//
59// Class: SoPerspectiveCamera
60//
61// perspectiveCamera node.
62//
64
65SO_PIMPL_PUBLIC_DECLARATION(SoPerspectiveCamera)
66
67
114
115 SO_NODE_HEADER(SoPerspectiveCamera);
116 SO_PIMPL_PUBLIC_HEADER(SoPerspectiveCamera)
117
118 public:
119
125
130
134 virtual void scaleHeight(float scaleFactor);
135
148 virtual SbViewVolume getViewVolume(float useAspectRatio = 0.0) const;
149
151 virtual SbViewVolume getViewVolume(float useAspectRatio,
152 float nearDist,
153 float farDist,
154 SbVec3f position,
155 SbRotation orientation) const;
156 private:
158 static void initClass();
160 static void exitClass();
161
162 private:
163
165 virtual void viewBoundingBox(const SbBox3f &box, float aspect, float slack);
166
168 virtual ~SoPerspectiveCamera();
169
170private:
171 void commonConstructor();
172};
173
174#endif /* _SO_PERSPECTIVE_CAMERA_ */
175
3D box class.
Definition SbBox.h:649
Class for representing a rotation.
Definition SbRotation.h:126
3D vector class.
Definition SbVec.h:932
3D viewing volume class.
Abstract base class for camera nodes.
Definition SoCamera.h:188
Perspective camera node.
virtual SbViewVolume getViewVolume(float useAspectRatio, float nearDist, float farDist, SbVec3f position, SbRotation orientation) const
Returns a view volume object, based on the camera's viewing parameters.
virtual void scaleHeight(float scaleFactor)
Scales the height of the camera, in this case, the heightAngle field.
virtual SbViewVolume getViewVolume(float useAspectRatio=0.0) const
Fills in a view volume structure, based on the camera.
SoSFFloat heightAngle
Vertical angle of the viewing volume.
SoPerspectiveCamera()
Creates a perspective camera node with default settings.
Field containing a floating-point value.
Definition SoSFFloat.h:78