Coin Logo http://www.sim.no/
http://www.coin3d.org/

SbDPViewVolume.h
1 #ifndef COIN_SBDPVIEWVOLUME_H
2 #define COIN_SBDPVIEWVOLUME_H
3 
4 /**************************************************************************\
5  *
6  * This file is part of the Coin 3D visualization library.
7  * Copyright (C) by Kongsberg Oil & Gas Technologies.
8  *
9  * This library is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU General Public License
11  * ("GPL") version 2 as published by the Free Software Foundation.
12  * See the file LICENSE.GPL at the root directory of this source
13  * distribution for additional information about the GNU GPL.
14  *
15  * For using Coin with software that can not be combined with the GNU
16  * GPL, and for taking advantage of the additional benefits of our
17  * support services, please contact Kongsberg Oil & Gas Technologies
18  * about acquiring a Coin Professional Edition License.
19  *
20  * See http://www.coin3d.org/ for more information.
21  *
22  * Kongsberg Oil & Gas Technologies, Bygdoy Alle 5, 0257 Oslo, NORWAY.
23  * http://www.sim.no/ sales@sim.no coin-support@coin3d.org
24  *
25 \**************************************************************************/
26 
27 #include <stdio.h>
28 
29 #include <Inventor/SbBasic.h>
30 #include <Inventor/SbVec3d.h>
31 
32 class SbBox3f;
33 class SbDPLine;
34 class SbDPMatrix;
35 class SbPlane;
36 class SbDPRotation;
37 class SbVec2d;
38 class SbViewVolume;
39 
40 class COIN_DLL_API SbDPViewVolume {
41 public:
42  enum ProjectionType { ORTHOGRAPHIC = 0, PERSPECTIVE = 1 };
43 
44 public:
45  SbDPViewVolume(void);
46  ~SbDPViewVolume(void);
47  void getMatrices(SbDPMatrix& affine, SbDPMatrix& proj) const;
48  SbDPMatrix getMatrix(void) const;
49  SbDPMatrix getCameraSpaceMatrix(void) const;
50  void projectPointToLine(const SbVec2d& pt, SbDPLine& line) const;
51  void projectPointToLine(const SbVec2d& pt,
52  SbVec3d& line0, SbVec3d& line1) const;
53  void projectToScreen(const SbVec3d& src, SbVec3d& dst) const;
54  SbPlane getPlane(const double distFromEye) const;
55  SbVec3d getSightPoint(const double distFromEye) const;
56  SbVec3d getPlanePoint(const double distFromEye,
57  const SbVec2d& normPoint) const;
58  SbDPRotation getAlignRotation(SbBool rightAngleOnly = FALSE) const;
59  double getWorldToScreenScale(const SbVec3d& worldCenter,
60  double normRadius) const;
61  SbVec2d projectBox(const SbBox3f& box) const;
62  SbDPViewVolume narrow(double left, double bottom,
63  double right, double top) const;
64  SbDPViewVolume narrow(const SbBox3f& box) const;
65  void ortho(double left, double right,
66  double bottom, double top,
67  double nearval, double farval);
68  void perspective(double fovy, double aspect,
69  double nearval, double farval);
70  void frustum(double left, double right,
71  double bottom, double top,
72  double nearval, double farval);
73  void rotateCamera(const SbDPRotation& q);
74  void translateCamera(const SbVec3d& v);
75  SbVec3d zVector(void) const;
76  SbDPViewVolume zNarrow(double nearval, double farval) const;
77  void scale(double factor);
78  void scaleWidth(double ratio);
79  void scaleHeight(double ratio);
80  ProjectionType getProjectionType(void) const;
81  const SbVec3d& getProjectionPoint(void) const;
82  const SbVec3d& getProjectionDirection(void) const;
83  double getNearDist(void) const;
84  double getWidth(void) const;
85  double getHeight(void) const;
86  double getDepth(void) const;
87 
88  void print(FILE * fp) const;
89  void getViewVolumePlanes(SbPlane planes[6]) const;
90  void transform(const SbDPMatrix &matrix);
91  SbVec3d getViewUp(void) const;
92 
93  void copyValues(SbViewVolume & vv);
94 
95 private:
96 
97  ProjectionType type;
98  SbVec3d projPoint;
99  SbVec3d projDir;
100  double nearDist;
101  double nearToFar;
102  SbVec3d llf;
103  SbVec3d lrf;
104  SbVec3d ulf;
105 
106  void getPlaneRectangle(const double depth, SbVec3d & lowerleft,
107  SbVec3d & lowerright, SbVec3d & upperleft,
108  SbVec3d & upperright) const;
109 };
110 
111 #endif // !COIN_SBDPVIEWVOLUME_H
The SbDPLine class represents a line in 3D space.SbDPLine is used by many other classes in Coin...
Definition: SbDPLine.h:32
The SbVec3d class is a 3 dimensional vector with double precision floating point coordinates.This vector class provides storage for a 3 dimensional double precision floating point vector aswell as simple floating point arithmetic operations.
Definition: SbVec3d.h:39
The SbBox3f class is an abstraction for an axis aligned 3 dimensional box.This box abstraction class ...
Definition: SbBox3f.h:37
ProjectionType
Definition: SbDPViewVolume.h:42
The SbVec2d class is a 2 dimensional vector with double precision floating point coordinates.This vector class is used by many other classes in Coin. It provides storage for a vector in 2 dimensions aswell as simple floating point arithmetic operations on this vector.
Definition: SbVec2d.h:39
The SbDPRotation class represents a rotation in 3D space.SbDPRotation is used extensively throughout ...
Definition: SbDPRotation.h:33
The SbDPViewVolume class is a double precision viewing volume in 3D space.This class contains the nec...
Definition: SbDPViewVolume.h:40
The SbViewVolume class is a viewing volume in 3D space.This class contains the necessary information ...
Definition: SbViewVolume.h:41
The SbPlane class represents a plane in 3D space.SbDPPlane is used by many other classes in Coin...
Definition: SbPlane.h:34
The SbDPMatrix class is a 4x4 dimensional representation of a double-precision matrix.This class is like the SbMatrix class, but uses double-precision floating point values for its elements. For more class documentation, see SbMatrix.
Definition: SbDPMatrix.h:38

Copyright © 1998-2010 by Kongsberg Oil & Gas Technologies. All rights reserved.

Generated on Wed Feb 7 2018 for Coin by Doxygen 1.8.14.