2d.hpp File Reference

#include "opencv2/core.hpp"
#include "opencv2/core/utils/logger.hpp"

Classes
struct	cv::Subdiv2D::QuadEdge
class	cv::Subdiv2D
struct	cv::Subdiv2D::Vertex

Namespaces
namespace	cv

Enumerations
enum	cv::DistanceTypes {   cv::DIST_USER = -1 ,   cv::DIST_L1 = 1 ,   cv::DIST_L2 = 2 ,   cv::DIST_C = 3 ,   cv::DIST_L12 = 4 ,   cv::DIST_FAIR = 5 ,   cv::DIST_WELSCH = 6 ,   cv::DIST_HUBER = 7 }
enum	cv::RectanglesIntersectTypes {   cv::INTERSECT_NONE = 0 ,   cv::INTERSECT_PARTIAL = 1 ,   cv::INTERSECT_FULL = 2 }
	types of intersection between rectangles More...

Functions
void	cv::approxPolyDP (InputArray curve, OutputArray approxCurve, double epsilon, bool closed)
	Approximates a polygonal curve(s) with the specified precision.
void	cv::approxPolyN (InputArray curve, OutputArray approxCurve, int nsides, float epsilon_percentage=-1.0, bool ensure_convex=true)
	Approximates a polygon with a convex hull with a specified accuracy and number of sides.
double	cv::arcLength (InputArray curve, bool closed)
	Calculates a contour perimeter or a curve length.
Rect	cv::boundingRect (InputArray array)
	Calculates the up-right bounding rectangle of a point set or non-zero pixels of gray-scale image.
void	cv::boxPoints (RotatedRect box, OutputArray points)
	Finds the four vertices of a rotated rect. Useful to draw the rotated rectangle.
double	cv::contourArea (InputArray contour, bool oriented=false)
	Calculates a contour area.
void	cv::convexHull (InputArray points, OutputArray hull, bool clockwise=false, bool returnPoints=true)
	Finds the convex hull of a point set.
void	cv::convexityDefects (InputArray contour, InputArray convexhull, OutputArray convexityDefects)
	Finds the convexity defects of a contour.
RotatedRect	cv::fitEllipse (InputArray points)
	Fits an ellipse around a set of 2D points.
RotatedRect	cv::fitEllipseAMS (InputArray points)
	Fits an ellipse around a set of 2D points.
RotatedRect	cv::fitEllipseDirect (InputArray points)
	Fits an ellipse around a set of 2D points.
void	cv::fitLine (InputArray points, OutputArray line, int distType, double param, double reps, double aeps)
	Fits a line to a 2D or 3D point set.
Mat	cv::getAffineTransform (const Point2f src[], const Point2f dst[])
	Calculates an affine transform from three pairs of the corresponding points.
Mat	cv::getAffineTransform (InputArray src, InputArray dst)
void	cv::getClosestEllipsePoints (const RotatedRect &ellipse_params, InputArray points, OutputArray closest_pts)
	Compute for each 2d point the nearest 2d point located on a given ellipse.
Mat	cv::getPerspectiveTransform (const Point2f src[], const Point2f dst[], int solveMethod=DECOMP_LU)
Mat	cv::getPerspectiveTransform (InputArray src, InputArray dst, int solveMethod=DECOMP_LU)
	Calculates a perspective transform from four pairs of the corresponding points.
Mat	cv::getRotationMatrix2D (Point2f center, double angle, double scale)
	Calculates an affine matrix of 2D rotation.
Matx23d	cv::getRotationMatrix2D_ (Point2f center, double angle, double scale)
void	cv::HuMoments (const Moments &m, OutputArray hu)
void	cv::HuMoments (const Moments &moments, double hu[7])
	Calculates seven Hu invariants.
float	cv::intersectConvexConvex (InputArray p1, InputArray p2, OutputArray p12, bool handleNested=true)
	Finds intersection of two convex polygons.
void	cv::invertAffineTransform (InputArray M, OutputArray iM)
	Inverts an affine transformation.
bool	cv::isContourConvex (InputArray contour)
	Tests a contour convexity.
double	cv::matchShapes (InputArray contour1, InputArray contour2, int method, double parameter)
	Compares two shapes.
RotatedRect	cv::minAreaRect (InputArray points)
	Finds a rotated rectangle of the minimum area enclosing the input 2D point set.
void	cv::minEnclosingCircle (InputArray points, Point2f &center, float &radius)
	Finds a circle of the minimum area enclosing a 2D point set.
double	cv::minEnclosingConvexPolygon (InputArray points, OutputArray polygon, int k)
	Finds a convex polygon of minimum area enclosing a 2D point set and returns its area.
double	cv::minEnclosingTriangle (InputArray points, OutputArray triangle)
	Finds a triangle of minimum area enclosing a 2D point set and returns its area.
Moments	cv::moments (InputArray array, bool binaryImage=false)
	Calculates all of the moments up to the third order of a polygon or rasterized shape.
double	cv::pointPolygonTest (InputArray contour, Point2f pt, bool measureDist)
	Performs a point-in-contour test.
int	cv::rotatedRectangleIntersection (const RotatedRect &rect1, const RotatedRect &rect2, OutputArray intersectingRegion)
	Finds out if there is any intersection between two rotated rectangles.