georegression.geometry

Class UtilPoint2D_F32

java.lang.Object

georegression.geometry.UtilPoint2D_F32

public class UtilPoint2D_F32
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
UtilPoint2D_F32()

Method Summary

Modifier and Type	Method and Description
static Rectangle2D_F32	bounding(java.util.List<Point2D_F32> points, Rectangle2D_F32 bounding) Finds the minimal volume RectangleLength2D_F32 which contains all the points.
static RectangleLength2D_F32	bounding(java.util.List<Point2D_F32> points, RectangleLength2D_F32 bounding) Finds the minimal volume RectangleLength2D_F32 which contains all the points.
static java.util.List<Point2D_F32>	copy(java.util.List<Point2D_F32> pts)
static float	distance(float x0, float y0, float x1, float y1)
static float	distanceSq(float x0, float y0, float x1, float y1)
static boolean	isEquals(GeoTuple2D_F32 a, GeoTuple2D_F32 b, float tol)
static Point2D_F32	mean(java.util.List<Point2D_F32> list, Point2D_F32 mean) Finds the point which has the mean location of all the points in the list.
static Point2D_F32	mean(Point2D_F32[] list, int offset, int length, Point2D_F32 mean) Finds the point which has the mean location of all the points in the array.
static Point2D_F32	mean(Point2D_F32 a, Point2D_F32 b, Point2D_F32 mean) Computes the mean/average of two points.
static void	noiseNormal(java.util.List<Point2D_F32> pts, float sigma, java.util.Random rand)
static java.util.List<Point2D_F32>	orderCCW(java.util.List<Point2D_F32> points) Puts the points into counter-clockwise order around their center.
static java.util.List<Point2D_F32>	random(float min, float max, int num, java.util.Random rand)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

UtilPoint2D_F32

public UtilPoint2D_F32()

Method Detail

copy

public static java.util.List<Point2D_F32> copy(java.util.List<Point2D_F32> pts)

noiseNormal

public static void noiseNormal(java.util.List<Point2D_F32> pts,
                               float sigma,
                               java.util.Random rand)

distance

public static float distance(float x0,
                             float y0,
                             float x1,
                             float y1)

distanceSq

public static float distanceSq(float x0,
                               float y0,
                               float x1,
                               float y1)

mean

public static Point2D_F32 mean(java.util.List<Point2D_F32> list,
                               Point2D_F32 mean)

Finds the point which has the mean location of all the points in the list. This is also known as the centroid.

Parameters:

list - List of points

mean - Storage for mean point. If null then a new instance will be declared

Returns:

The found mean

mean

public static Point2D_F32 mean(Point2D_F32[] list,
                               int offset,
                               int length,
                               Point2D_F32 mean)

Finds the point which has the mean location of all the points in the array. This is also known as the centroid.

Parameters:

list - List of points

offset - First index in list

length - Length of elements in list

mean - Storage for mean point. If null then a new instance will be declared

Returns:

The found mean

mean

public static Point2D_F32 mean(Point2D_F32 a,
                               Point2D_F32 b,
                               Point2D_F32 mean)

Computes the mean/average of two points.

Parameters:

a - (input) Point A

b - (input) Point B

mean - (output) average of 'a' and 'b'

random

public static java.util.List<Point2D_F32> random(float min,
                                                 float max,
                                                 int num,
                                                 java.util.Random rand)

isEquals

public static boolean isEquals(GeoTuple2D_F32 a,
                               GeoTuple2D_F32 b,
                               float tol)

bounding

public static RectangleLength2D_F32 bounding(java.util.List<Point2D_F32> points,
                                             RectangleLength2D_F32 bounding)

Finds the minimal volume RectangleLength2D_F32 which contains all the points.

Parameters:

points - Input: List of points.

bounding - Output: Bounding rectangle

bounding

public static Rectangle2D_F32 bounding(java.util.List<Point2D_F32> points,
                                       Rectangle2D_F32 bounding)

Finds the minimal volume RectangleLength2D_F32 which contains all the points.

Parameters:

points - Input: List of points.

bounding - Output: Bounding rectangle

orderCCW

public static java.util.List<Point2D_F32> orderCCW(java.util.List<Point2D_F32> points)

Puts the points into counter-clockwise order around their center.

Parameters:

points - List of points. Not modified.

Returns:

ordered list