The OpenCV Reference Manual, Release 2.4.9.0
_
Tp x, y, z; //< the point coordinates
};
Template class for 3D points specified by its coordinates x, y and z . An instance of the class is interchangeable with
the C structure CvPoint2D32f . Similarly to Point
_
, the coordinates of 3D points can be converted to another type.
The vector arithmetic and comparison operations are also supported.
The following Point3
_
<> aliases are available:
typedef Point3
_
<int> Point3i;
typedef Point3
_
<float> Point3f;
typedef Point3
_
<double> Point3d;
Size_
class Size
_
template<typename
_
Tp> class CV
_
EXPORTS Size
_
{
public:
typedef
_
Tp value
_
type;
//! various constructors
Size
_
();
Size
_
(
_
Tp
_
width,
_
Tp
_
height);
Size
_
(const Size
_
& sz);
Size
_
(const CvSize& sz);
Size
_
(const CvSize2D32f& sz);
Size
_
(const Point
_
<
_
Tp>& pt);
Size
_
& operator = (const Size
_
& sz);
//! the area (width
*
height)
_
Tp area() const;
//! conversion of another data type.
template<typename
_
Tp2> operator Size
_
<
_
Tp2>() const;
//! conversion to the old-style OpenCV types
operator CvSize() const;
operator CvSize2D32f() const;
_
Tp width, height; // the width and the height
};
Template class for specifying the size of an image or rectangle. The class includes two members called width and
height. The structure can be converted to and from the old OpenCV structures CvSize and CvSize2D32f . The same
set of arithmetic and comparison operations as for Point
_
is available.
OpenCV defines the following Size
_
<> aliases:
typedef Size
_
<int> Size2i;
typedef Size2i Size;
typedef Size
_
<float> Size2f;
Rect_
class Rect
_
10 Chapter 2. core. The Core Functionality
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