1SbXfBox3f(3IV)() SbXfBox3f(3IV)()
2
6 SbXfBox3f — 3D box with an associated transformation matrix
7
9 SbBox3f > SbXfBox3f
10
12 #include <Inventor/SbBox.h>
13 Methods from class SbXfBox3f:
15 SbXfBox3f()
17 SbXfBox3f(const SbVec3f &_min, const SbVec3f &_max)
18 SbXfBox3f(const SbBox3f &box)
19 ~SbXfBox3f()
20 void setTransform(const SbMatrix &m)
21 const SbMatrix & getTransform() const
22 const SbMatrix & getInverse() const
23 SbVec3f getCenter() const
24 void extendBy(const SbVec3f &pt)
25 void extendBy(const SbBox3f &bb)
26 void extendBy(const SbXfBox3f &bb)
27 SbBool intersect(const SbVec3f &pt) const
28 SbBool intersect(const SbBox3f &bb) const
29 void setBounds(float xmin, float ymin, float zmin, float
30 xmax, float ymax, float zmax)
31 void setBounds(const SbVec3f &_min, const SbVec3f &_max)
32 void getBounds(float &xmin, float &ymin, float &zmin,
33 float &xmax, float &ymax, float &zmax) const
34 void getBounds(SbVec3f &_min, SbVec3f &_max) const
35 void getOrigin(float &originX, float &originY, float
36 &originZ)
37 void getSize(float &sizeX, float &sizeY, float &sizeZ)
38 float getVolume() const
39 void makeEmpty()
40 SbBool isEmpty() const
41 SbBool hasVolume() const
42 void getSpan(const SbVec3f &direction, float &dMin, float
43 &dMax) const
44 void transform(const SbMatrix &m)
45 SbBox3f project() const
46 int operator ==(const SbXfBox3f &b1, const SbXfBox3f &b2)
47 int operator !=(const SbXfBox3f &b1, const SbXfBox3f &b2)
48 Methods from class SbBox3f:
50 const SbVec3f & getMin()
52 const SbVec3f & getMax()
53
56 A 3D box with an arbitrary transformation applied. This class is useful
57 when a box will be transformed frequently; if an SbBox3f is used for
58 this purpose it will expand each time it is transformed in order to
59 keep itself axis-aligned. Transformations can be accumulated on an
60 SbXfBox3f without expanding the box, and after all transformations have
61 been done, the box can be expanded to an axis-aligned box if necessary.
62
64 SbXfBox3f()
65 SbXfBox3f(const SbVec3f &_min, const SbVec3f &_max)
66 SbXfBox3f(const SbBox3f &box)
67 ~SbXfBox3f()
68 Constructors and destructor.
69 void setTransform(const SbMatrix &m)
71 Sets the transformation on the box.
72 const SbMatrix & getTransform() const
74 const SbMatrix & getInverse() const
75 Gets the transformation on the box, and its inverse.
76 SbVec3f getCenter() const
78 Returns the center of the box.
79 void extendBy(const SbVec3f &pt)
81 Extends the box (if necessary) to contain the given 3D point. If the
82 box has had a non-identity transformation applied using the set‐
83 Transform() method, the point is assumed to be in the transformed
84 space. For example, the following code sequence:
85 SbXfBox3f bbox; bbox.extendBy(SbVec3f(0,0,0));
86 SbMatrix trans; trans.setTranslate(SbVec3f(1,1,1));
87 bbox.setTransform(trans);
88 bbox.extendBy(SbVec3f(0,0,0));
89 will result in a bounding box extending from (-1,-1,-1) to (0,0,0)
90 in bbox'es local (untransformed) space.
91 void extendBy(const SbBox3f &bb)
93 Extends the box (if necessary) to contain the given SbBox3f. If the
94 box has had a non-identity transformation applied using the set‐
95 Transform() method, the given SbBox3f is assumed to be in the trans‐
96 formed space.
97 void extendBy(const SbXfBox3f &bb)
99 Extends the box (if necessary) to contain the given SbXfBox3f.
100 SbBool intersect(const SbVec3f &pt) const
102 Returns TRUE if intersection of given point and this box is not
103 empty.
104 SbBool intersect(const SbBox3f &bb) const
106 Returns TRUE if intersection of given box and this box is not empty.
107 void setBounds(float xmin, float ymin, float zmin, float
109 xmax, float ymax, float zmax)
110 void setBounds(const SbVec3f &_min, const SbVec3f &_max)
111 void getBounds(float &xmin, float &ymin, float &zmin,
112 float &xmax, float &ymax, float &zmax) const
113 void getBounds(SbVec3f &_min, SbVec3f &_max) const
114 Set and get the bounds of the box.
115 void getOrigin(float &originX, float &originY, float
117 &originZ)
118 Returns origin (minimum point) of the box.
119 void getSize(float &sizeX, float &sizeY, float &sizeZ)
121 Returns size of the box.
122 float getVolume() const
124 Gives the volume of the box (0 for an empty box).
125 void makeEmpty()
127 Sets the box to contain nothing.
128 SbBool isEmpty() const
130 Checks if the box is empty (degenerate).
131 SbBool hasVolume() const
133 Checks if the box has volume; i.e., all three dimensions have posi‐
134 tive size.
135 void getSpan(const SbVec3f &direction, float &dMin, float
137 &dMax) const
138 Finds the extent of the box along a particular direction.
139 void transform(const SbMatrix &m)
141 Transforms the box by the given matrix.
142 SbBox3f project() const
144 Projects an SbXfBox3f to an SbBox3f
145 int operator ==(const SbXfBox3f &b1, const SbXfBox3f &b2)
147 int operator !=(const SbXfBox3f &b1, const SbXfBox3f &b2)
148 Equality comparisons.
149
152 SbBox3f, SbBox2f, SbBox2s, SbVec3f, SbVec2f, SbVec2s, SbMatrix, SoGet‐
153 BoundingBoxAction
154 SbXfBox3f(3IV)()