# distance
Calculates the distance between two points in degrees, radians, miles, or kilometers. This uses the Haversine formula to account for global curvature.
用度数、弧度、英里或公里计算两点之间的距离。
参数
参数 | 类型 | 描述 |
---|---|---|
from | Coord | origin point |
to | Coord | destination point |
options | Object | Optional parameters: see below |
options选项
属性 | 类型 | 默认值 | 描述 |
---|---|---|---|
units | string | kilometers | can be degrees, radians, miles, or kilometers |
返回
number - distance between the two points
示例
var from = turf.point([-75.343, 39.984]);
var to = turf.point([-75.534, 39.123]);
var options = {units: 'miles'};
var distance = turf.distance(from, to, options);
