JAVA中计算经纬度之间的距离

1.导入需要的JAR包

    org.gavaghan
    geodesy
    1.1.3

2.代码如下

@Test
public void testGPS(){
    //给定两个坐标系,计算两点相差距离
    GlobalCoordinates source = new GlobalCoordinates(29.490295, 106.486654);
    GlobalCoordinates target = new GlobalCoordinates(29.615467, 106.581515);
    //Sphere坐标的计算结果
    double meter1 =getDistanceMeter(source,target,Ellipsoid.Sphere);
    //WGS84坐标系计算结果
    double meter2 = getDistanceMeter(source,target,Ellipsoid.WGS84);

    //计算结果Sphere 坐标系的计算结果与 WGS84坐标系的计算结果存在几十米的误差，不同的坐标系精度不同,
    System.out.println("Sphere 坐标系的计算结果是" + meter1 + "M");
    System.out.println("wGS84  坐标系的计算结果是" + meter2 + "M");
}



public static  double getDistanceMeter(GlobalCoordinates gpsFrom, GlobalCoordinates gpsTo, Ellipsoid ellipsoid){
    //创建GeodeticCalculator,调用计算方法,传入坐标系,经纬度用于计算距离
    GeodeticCurve geoCurve = new GeodeticCalculator().calculateGeodeticCurve(ellipsoid, gpsFrom, gpsTo);
    return geoCurve.getEllipsoidalDistance();
}

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