Open Inventor Release 2024.1.0
 
Loading...
Searching...
No Matches
SoViewVolumeElement.h
Go to the documentation of this file.
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5 * UNPUBLISHED -- Rights reserved under the copyright laws of the United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) 1996-2023 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_VIEW_VOLUME_ELEMENT
51#define _SO_VIEW_VOLUME_ELEMENT
52
53#include <Inventor/SbLinear.h>
55
76
78
79 public:
83 static void set(SoState *state, SoNode *node, const SbViewVolume &viewVolume);
84
88 static const SbViewVolume & get(SoState *state);
89
93 static SbBool isSet(SoState *state);
94
98 virtual void print(FILE *fp) const;
99
100private:
101
103 virtual void init(SoState *state);
104
105 private:
107 static SbVec3f getEyePosObjectSpace(SoState* state);
108 static SbVec3f getEyePosObjectSpace(const SbMatrix& modelViewMatrix);
109
110 // Initializes the SoViewVolumeElement class
111 static void initClass();
112 static void exitClass();
113
114 private:
115 SbBool volumeWasSet;
116 SbViewVolume viewVolume;
117
118 virtual ~SoViewVolumeElement();
119};
120
121#endif /* _SO_VIEW_VOLUME_ELEMENT */
122
123
#define SoEXTENDER_Documented
static void init()
#define SO_ELEMENT_HEADER(className)
4x4 matrix class.
Definition SbMatrix.h:309
3D vector class.
Definition SbVec.h:932
3D viewing volume class.
Abstract base class for all database nodes.
Definition SoNode.h:145
Abstract base class for each state element whose value is replaced whenever it is set.
Traversal state.
Definition SoState.h:74
Stores the current view volume.
static SbBool isSet(SoState *state)
Returns TRUE if the view volume has been set in the state.
static const SbViewVolume & get(SoState *state)
Returns the current view volume from the state.
virtual void print(FILE *fp) const
Prints element (for debugging).
static void set(SoState *state, SoNode *node, const SbViewVolume &viewVolume)
Sets the view volume in the state.
int SbBool
Boolean type.
Definition SbBase.h:87