org.aoju.bus.core.utils

Class GeoUtils

java.lang.Object

org.aoju.bus.core.utils.GeoUtils

public class GeoUtils
extends Object

地理区域坐标距离计算工具类

Since:

JDK 1.8+

Version:

5.6.5

Author:

Kimi Liu

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	GeoUtils.Bounds 地理坐标矩形区域
static class	GeoUtils.Circle 地理坐标圆形
static class	GeoUtils.Point 地理坐标点
static class	GeoUtils.PointType 坐标点类型
static class	GeoUtils.Polygon 地理坐标多边形区域

Constructor Summary

Constructors

Constructor and Description
GeoUtils()

Method Summary

Modifier and Type	Method and Description
static int	contains(GeoUtils.Circle circle, GeoUtils.Point point) 判断点是否在圆形范围内
static boolean	contains(GeoUtils.Polygon polygon, GeoUtils.Point point) 判断点是否在多边形区域内
static boolean	contains(GeoUtils.Polygon polygon, GeoUtils.Point point, boolean on)
static double	distance(GeoUtils.Point p1, GeoUtils.Point p2)
static GeoUtils.Bounds	rectangle(GeoUtils.Point point, long distance)

Methods inherited from class java.lang.Object

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

Constructor Detail

GeoUtils

public GeoUtils()

Method Detail

distance

public static double distance(GeoUtils.Point p1,
                              GeoUtils.Point p2)

Parameters:

p1 - 坐标点1

p2 - 坐标点2

Returns:

计算两点间的距离(米)

rectangle

public static GeoUtils.Bounds rectangle(GeoUtils.Point point,
                                        long distance)

Parameters:

point - 坐标点

distance - 距离(米)

Returns:

返回从坐标点到直定距离的矩形范围

contains

public static boolean contains(GeoUtils.Polygon polygon,
                               GeoUtils.Point point)

判断点是否在多边形区域内

Parameters:

polygon - 多边形区域

point - 待判断点

Returns:

true - 多边形包含这个点, false - 多边形未包含这个点。

contains

public static boolean contains(GeoUtils.Polygon polygon,
                               GeoUtils.Point point,
                               boolean on)

contains

public static int contains(GeoUtils.Circle circle,
                           GeoUtils.Point point)

判断点是否在圆形范围内

Parameters:

circle - 圆形区域

point - 待判断点

Returns:

-1 - 点在圆外, 0 - 点在圆上, 1 - 点在圆内