com.tencent.tencentmap.mapsdk.maps.model.transform

类 SphericalMercatorProjection

java.lang.Object

com.tencent.tencentmap.mapsdk.maps.model.transform.SphericalMercatorProjection

public class SphericalMercatorProjection
extends java.lang.Object

字段概要

字段

限定符和类型	字段和说明
static double	EARTH_RADIUS Radius of the earth in meter.

构造器概要

构造器

构造器和说明
SphericalMercatorProjection() Mercator projection of the earth.
SphericalMercatorProjection(double worldWidth)

方法概要

限定符和类型	方法和说明
double	distanceBetween(LatLng p1, LatLng p2) 计算两个经纬度坐标间的直线距离
LatLng	toLatLng(Point point)
Point	toPoint(LatLng latLng) 转换成墨卡托坐标，原点在左上角，x 轴正方向向左，y 轴向下。

从类继承的方法 java.lang.Object

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

字段详细资料

EARTH_RADIUS

public static double EARTH_RADIUS

Radius of the earth in meter.

构造器详细资料

SphericalMercatorProjection

public SphericalMercatorProjection()

Mercator projection of the earth.

SphericalMercatorProjection

public SphericalMercatorProjection(double worldWidth)

方法详细资料

toPoint

public Point toPoint(LatLng latLng)

转换成墨卡托坐标，原点在左上角，x 轴正方向向左，y 轴向下。

参数:

latLng -

返回:

toLatLng

public LatLng toLatLng(Point point)

distanceBetween

public double distanceBetween(LatLng p1,
                              LatLng p2)

计算两个经纬度坐标间的直线距离

参数:

p1 -

p2 -

返回:

p1、p2 间的距离,单位:米